diff options
Diffstat (limited to 'src/gallium/winsys/dri')
22 files changed, 5149 insertions, 0 deletions
diff --git a/src/gallium/winsys/dri/intel/Makefile b/src/gallium/winsys/dri/intel/Makefile new file mode 100644 index 00000000000..9ae0f013256 --- /dev/null +++ b/src/gallium/winsys/dri/intel/Makefile @@ -0,0 +1,38 @@ + +TOP = ../../../../.. +include $(TOP)/configs/current + +LIBNAME = i915tex_dri.so + +MINIGLX_SOURCES = server/intel_dri.c + +PIPE_DRIVERS = \ + $(TOP)/src/mesa/pipe/softpipe/libsoftpipe.a \ + $(TOP)/src/mesa/pipe/i915simple/libi915simple.a + +DRIVER_SOURCES = \ + intel_winsys_pipe.c \ + intel_winsys_softpipe.c \ + intel_winsys_i915.c \ + intel_batchbuffer.c \ + intel_swapbuffers.c \ + intel_context.c \ + intel_lock.c \ + intel_screen.c \ + intel_batchpool.c + +C_SOURCES = \ + $(COMMON_GALLIUM_SOURCES) \ + $(COMMON_BM_SOURCES) \ + $(DRIVER_SOURCES) + +ASM_SOURCES = + +DRIVER_DEFINES = -I../intel $(shell pkg-config libdrm --atleast-version=2.3.1 \ + && echo "-DDRM_VBLANK_FLIP=DRM_VBLANK_FLIP") + +include ../Makefile.template + +intel_tex_layout.o: ../intel/intel_tex_layout.c + +symlinks: diff --git a/src/gallium/winsys/dri/intel/SConscript b/src/gallium/winsys/dri/intel/SConscript new file mode 100644 index 00000000000..a7cc10450e3 --- /dev/null +++ b/src/gallium/winsys/dri/intel/SConscript @@ -0,0 +1,41 @@ +Import('*') + +env = drienv.Clone() + +env.Append(CPPPATH = [ + '../intel', + 'server' +]) + +#MINIGLX_SOURCES = server/intel_dri.c + +pipe_drivers = [ + softpipe, + i915simple +] + +DRIVER_SOURCES = [ + 'intel_winsys_pipe.c', + 'intel_winsys_softpipe.c', + 'intel_winsys_i915.c', + 'intel_batchbuffer.c', + 'intel_swapbuffers.c', + 'intel_context.c', + 'intel_lock.c', + 'intel_screen.c', + 'intel_batchpool.c', +] + +sources = \ + COMMON_GALLIUM_SOURCES + \ + COMMON_BM_SOURCES + \ + DRIVER_SOURCES + +# DRIVER_DEFINES = -I../intel $(shell pkg-config libdrm --atleast-version=2.3.1 \ +# && echo "-DDRM_VBLANK_FLIP=DRM_VBLANK_FLIP") + +env.SharedLibrary( + target ='i915tex_dri.so', + source = sources, + LIBS = pipe_drivers + env['LIBS'], +)
\ No newline at end of file diff --git a/src/gallium/winsys/dri/intel/intel_batchbuffer.c b/src/gallium/winsys/dri/intel/intel_batchbuffer.c new file mode 100644 index 00000000000..49e04d81ec1 --- /dev/null +++ b/src/gallium/winsys/dri/intel/intel_batchbuffer.c @@ -0,0 +1,357 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include <errno.h> +#include "intel_batchbuffer.h" +#include "intel_context.h" +#include "intel_screen.h" +#include "intel_reg.h" +#include "drm.h" + +/* Relocations in kernel space: + * - pass dma buffer seperately + * - memory manager knows how to patch + * - pass list of dependent buffers + * - pass relocation list + * + * Either: + * - get back an offset for buffer to fire + * - memory manager knows how to fire buffer + * + * Really want the buffer to be AGP and pinned. + * + */ + +/* Cliprect fence: The highest fence protecting a dma buffer + * containing explicit cliprect information. Like the old drawable + * lock but irq-driven. X server must wait for this fence to expire + * before changing cliprects [and then doing sw rendering?]. For + * other dma buffers, the scheduler will grab current cliprect info + * and mix into buffer. X server must hold the lock while changing + * cliprects??? Make per-drawable. Need cliprects in shared memory + * -- beats storing them with every cmd buffer in the queue. + * + * ==> X server must wait for this fence to expire before touching the + * framebuffer with new cliprects. + * + * ==> Cliprect-dependent buffers associated with a + * cliprect-timestamp. All of the buffers associated with a timestamp + * must go to hardware before any buffer with a newer timestamp. + * + * ==> Dma should be queued per-drawable for correct X/GL + * synchronization. Or can fences be used for this? + * + * Applies to: Blit operations, metaops, X server operations -- X + * server automatically waits on its own dma to complete before + * modifying cliprects ??? + */ + +static void +intel_dump_batchbuffer(uint offset, uint * ptr, uint count) +{ + int i; + printf("\n\n\nSTART BATCH (%d dwords):\n", count / 4); + for (i = 0; i < count / 4; i += 1) + printf("\t0x%08x\n", ptr[i]); + printf("END BATCH\n\n\n"); +} + + +void +intel_batchbuffer_reset(struct intel_batchbuffer *batch) +{ + int i; + + if (batch->map) { + driBOUnmap(batch->buffer); + batch->map = NULL; + } + + /* + * Get a new, free batchbuffer. + */ + batch->size = BATCH_SZ; + driBOData(batch->buffer, batch->size, NULL, 0); + + driBOResetList(&batch->list); + + /* + * Unreference buffers previously on the relocation list. + */ + for (i = 0; i < batch->nr_relocs; i++) { + struct buffer_reloc *r = &batch->reloc[i]; + driBOUnReference(r->buf); + } + + batch->list_count = 0; + batch->nr_relocs = 0; + batch->flags = 0; + + /* + * We don't refcount the batchbuffer itself since we can't destroy it + * while it's on the list. + */ + + driBOAddListItem(&batch->list, batch->buffer, + DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_EXE, + DRM_BO_MASK_MEM | DRM_BO_FLAG_EXE); + + + batch->map = driBOMap(batch->buffer, DRM_BO_FLAG_WRITE, 0); + batch->ptr = batch->map; +} + + +/*====================================================================== + * Public functions + */ +struct intel_batchbuffer * +intel_batchbuffer_alloc(struct intel_context *intel) +{ + struct intel_batchbuffer *batch = calloc(sizeof(*batch), 1); + + batch->intel = intel; + + driGenBuffers(intel->intelScreen->batchPool, "batchbuffer", 1, + &batch->buffer, 4096, + DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_EXE, 0); + batch->last_fence = NULL; + driBOCreateList(20, &batch->list); + intel_batchbuffer_reset(batch); + return batch; +} + + +void +intel_batchbuffer_free(struct intel_batchbuffer *batch) +{ + if (batch->last_fence) { + driFenceFinish(batch->last_fence, + DRM_FENCE_TYPE_EXE | DRM_I915_FENCE_TYPE_RW, + GL_FALSE); + driFenceUnReference(batch->last_fence); + batch->last_fence = NULL; + } + if (batch->map) { + driBOUnmap(batch->buffer); + batch->map = NULL; + } + driBOUnReference(batch->buffer); + batch->buffer = NULL; + free(batch); +} + + +static void +intel_batch_ioctl(struct intel_context *intel, + uint start_offset, uint used, boolean allow_unlock) +{ + drmI830BatchBuffer batch; + + batch.start = start_offset; + batch.used = used; + batch.cliprects = NULL; /* unused */ + batch.num_cliprects = 0; + batch.DR1 = 0; + batch.DR4 = 0; /* still need this ? */ + + DBG(IOCTL, "%s: 0x%x..0x%x DR4: %x cliprects: %d\n", + __FUNCTION__, + batch.start, + batch.start + batch.used * 4, batch.DR4, batch.num_cliprects); + + if (drmCommandWrite(intel->driFd, DRM_I830_BATCHBUFFER, &batch, + sizeof(batch))) { + printf("DRM_I830_BATCHBUFFER: %d\n", -errno); + UNLOCK_HARDWARE(intel); + exit(1); + } +} + + +/* TODO: Push this whole function into bufmgr. + */ +static void +do_flush_locked(struct intel_batchbuffer *batch, + uint used, boolean allow_unlock) +{ + uint *ptr; + uint i, fenceFlags; + struct _DriFenceObject *fo; + + driBOValidateList(batch->intel->driFd, &batch->list); + + /* Apply the relocations. This nasty map indicates to me that the + * whole task should be done internally by the memory manager, and + * that dma buffers probably need to be pinned within agp space. + */ + ptr = (uint *) driBOMap(batch->buffer, DRM_BO_FLAG_WRITE, + DRM_BO_HINT_ALLOW_UNFENCED_MAP); + + for (i = 0; i < batch->nr_relocs; i++) { + struct buffer_reloc *r = &batch->reloc[i]; + + ptr[r->offset / 4] = driBOOffset(r->buf) + r->delta; + } + + if (0) + intel_dump_batchbuffer(0, ptr, used); + + driBOUnmap(batch->buffer); + batch->map = NULL; + + intel_batch_ioctl(batch->intel, + driBOOffset(batch->buffer), + used, allow_unlock); + + /* + * Kernel fencing. The flags tells the kernel that we've + * programmed an MI_FLUSH. + */ + fenceFlags = DRM_I915_FENCE_FLAG_FLUSHED; + fo = driFenceBuffers(batch->intel->driFd, "Batch fence", fenceFlags); + + /* + * User space fencing. + */ + driBOFence(batch->buffer, fo); + + if (driFenceType(fo) == DRM_FENCE_TYPE_EXE) { + /* + * Oops. We only validated a batch buffer. This means we + * didn't do any proper rendering. Discard this fence object. + */ + driFenceUnReference(fo); + } + else { + driFenceUnReference(batch->last_fence); + batch->last_fence = fo; + for (i = 0; i < batch->nr_relocs; i++) { + struct buffer_reloc *r = &batch->reloc[i]; + driBOFence(r->buf, fo); + } + } +} + + +struct _DriFenceObject * +intel_batchbuffer_flush(struct intel_batchbuffer *batch) +{ + struct intel_context *intel = batch->intel; + uint used = batch->ptr - batch->map; + const boolean was_locked = intel->locked; + + if (used == 0) + return batch->last_fence; + +#define MI_FLUSH ((0 << 29) | (4 << 23)) + + /* Add the MI_BATCH_BUFFER_END. Always add an MI_FLUSH - this is a + * performance drain that we would like to avoid. + */ + if (used & 4) { + ((int *) batch->ptr)[0] = MI_FLUSH; + ((int *) batch->ptr)[1] = 0; + ((int *) batch->ptr)[2] = MI_BATCH_BUFFER_END; + used += 12; + } + else { + ((int *) batch->ptr)[0] = MI_FLUSH; + ((int *) batch->ptr)[1] = MI_BATCH_BUFFER_END; + used += 8; + } + + driBOUnmap(batch->buffer); + batch->ptr = NULL; + batch->map = NULL; + + /* TODO: Just pass the relocation list and dma buffer up to the + * kernel. + */ + if (!was_locked) + LOCK_HARDWARE(intel); + + do_flush_locked(batch, used, GL_FALSE); + + if (!was_locked) + UNLOCK_HARDWARE(intel); + + /* Reset the buffer: + */ + intel_batchbuffer_reset(batch); + return batch->last_fence; +} + + +void +intel_batchbuffer_finish(struct intel_batchbuffer *batch) +{ + struct _DriFenceObject *fence = intel_batchbuffer_flush(batch); + if (fence) { + driFenceReference(fence); + driFenceFinish(fence, + DRM_FENCE_TYPE_EXE | DRM_I915_FENCE_TYPE_RW, + GL_FALSE); + driFenceUnReference(fence); + } +} + + +/* This is the only way buffers get added to the validate list. + */ +boolean +intel_batchbuffer_emit_reloc(struct intel_batchbuffer *batch, + struct _DriBufferObject *buffer, + uint flags, uint mask, uint delta) +{ + assert(batch->nr_relocs < MAX_RELOCS); + + driBOAddListItem(&batch->list, buffer, flags, mask); + + { + struct buffer_reloc *r = &batch->reloc[batch->nr_relocs++]; + driBOReference(buffer); + r->buf = buffer; + r->offset = batch->ptr - batch->map; + r->delta = delta; + *(uint *) batch->ptr = 0x12345678; + } + + batch->ptr += 4; + return GL_TRUE; +} + + +void +intel_batchbuffer_data(struct intel_batchbuffer *batch, + const void *data, uint bytes, uint flags) +{ + assert((bytes & 3) == 0); + intel_batchbuffer_require_space(batch, bytes, flags); + memcpy(batch->ptr, data, bytes); + batch->ptr += bytes; +} diff --git a/src/gallium/winsys/dri/intel/intel_batchbuffer.h b/src/gallium/winsys/dri/intel/intel_batchbuffer.h new file mode 100644 index 00000000000..82feafa21f6 --- /dev/null +++ b/src/gallium/winsys/dri/intel/intel_batchbuffer.h @@ -0,0 +1,149 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef INTEL_BATCHBUFFER_H +#define INTEL_BATCHBUFFER_H + +#include "pipe/p_compiler.h" +#include "dri_bufmgr.h" + +struct intel_context; + +#define BATCH_SZ 16384 +#define BATCH_RESERVED 16 + +#define MAX_RELOCS 4096 + +#define INTEL_BATCH_NO_CLIPRECTS 0x1 +#define INTEL_BATCH_CLIPRECTS 0x2 + +struct buffer_reloc +{ + struct _DriBufferObject *buf; + uint offset; + uint delta; /* not needed? */ +}; + +struct intel_batchbuffer +{ + struct bufmgr *bm; + struct intel_context *intel; + + struct _DriBufferObject *buffer; + struct _DriFenceObject *last_fence; + uint flags; + + drmBOList list; + uint list_count; + ubyte *map; + ubyte *ptr; + + struct buffer_reloc reloc[MAX_RELOCS]; + uint nr_relocs; + uint size; +}; + +struct intel_batchbuffer *intel_batchbuffer_alloc(struct intel_context *intel); + +void intel_batchbuffer_free(struct intel_batchbuffer *batch); + + +void intel_batchbuffer_finish(struct intel_batchbuffer *batch); + +struct _DriFenceObject *intel_batchbuffer_flush(struct intel_batchbuffer + *batch); + +void intel_batchbuffer_reset(struct intel_batchbuffer *batch); + + +/* Unlike bmBufferData, this currently requires the buffer be mapped. + * Consider it a convenience function wrapping multiple + * intel_buffer_dword() calls. + */ +void intel_batchbuffer_data(struct intel_batchbuffer *batch, + const void *data, uint bytes, uint flags); + +void intel_batchbuffer_release_space(struct intel_batchbuffer *batch, + uint bytes); + +boolean intel_batchbuffer_emit_reloc(struct intel_batchbuffer *batch, + struct _DriBufferObject *buffer, + uint flags, + uint mask, uint offset); + +/* Inline functions - might actually be better off with these + * non-inlined. Certainly better off switching all command packets to + * be passed as structs rather than dwords, but that's a little bit of + * work... + */ +static INLINE uint +intel_batchbuffer_space(struct intel_batchbuffer *batch) +{ + return (batch->size - BATCH_RESERVED) - (batch->ptr - batch->map); +} + + +static INLINE void +intel_batchbuffer_emit_dword(struct intel_batchbuffer *batch, uint dword) +{ + assert(batch->map); + assert(intel_batchbuffer_space(batch) >= 4); + *(uint *) (batch->ptr) = dword; + batch->ptr += 4; +} + +static INLINE void +intel_batchbuffer_require_space(struct intel_batchbuffer *batch, + uint sz, uint flags) +{ + assert(sz < batch->size - 8); + if (intel_batchbuffer_space(batch) < sz || + (batch->flags != 0 && flags != 0 && batch->flags != flags)) + intel_batchbuffer_flush(batch); + + batch->flags |= flags; +} + +/* Here are the crusty old macros, to be removed: + */ +#define BATCH_LOCALS + +#define BEGIN_BATCH(n, flags) do { \ + intel_batchbuffer_require_space(intel->batch, (n)*4, flags); \ +} while (0) + +#define OUT_BATCH(d) intel_batchbuffer_emit_dword(intel->batch, d) + +#define OUT_RELOC(buf,flags,mask,delta) do { \ + assert((delta) >= 0); \ + intel_batchbuffer_emit_reloc(intel->batch, buf, flags, mask, delta); \ +} while (0) + +#define ADVANCE_BATCH() do { } while(0) + + +#endif diff --git a/src/gallium/winsys/dri/intel/intel_batchpool.c b/src/gallium/winsys/dri/intel/intel_batchpool.c new file mode 100644 index 00000000000..33b56817f6a --- /dev/null +++ b/src/gallium/winsys/dri/intel/intel_batchpool.c @@ -0,0 +1,424 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * + **************************************************************************/ +/* + * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> + */ + +/** + * XXX NOTE: there are no intel dependencies in this file. + * Rename to dri_batchpool.c? + */ + +#include <xf86drm.h> +#include <stdlib.h> +#include <errno.h> +#include "imports.h" +#include "glthread.h" +#include "dri_bufpool.h" +#include "dri_bufmgr.h" +#include "intel_batchpool.h" + + +typedef struct +{ + drmMMListHead head; + struct _BPool *parent; + struct _DriFenceObject *fence; + unsigned long start; + int unfenced; + int mapped; +} BBuf; + +typedef struct _BPool +{ + _glthread_Mutex mutex; + unsigned long bufSize; + unsigned poolSize; + unsigned numFree; + unsigned numTot; + unsigned numDelayed; + unsigned checkDelayed; + drmMMListHead free; + drmMMListHead delayed; + drmMMListHead head; + drmBO kernelBO; + void *virtual; + BBuf *bufs; +} BPool; + + +static BPool * +createBPool(int fd, unsigned long bufSize, unsigned numBufs, unsigned flags, + unsigned checkDelayed) +{ + BPool *p = (BPool *) malloc(sizeof(*p)); + BBuf *buf; + int i; + + if (!p) + return NULL; + + p->bufs = (BBuf *) malloc(numBufs * sizeof(*p->bufs)); + if (!p->bufs) { + free(p); + return NULL; + } + + DRMINITLISTHEAD(&p->free); + DRMINITLISTHEAD(&p->head); + DRMINITLISTHEAD(&p->delayed); + + p->numTot = numBufs; + p->numFree = numBufs; + p->bufSize = bufSize; + p->numDelayed = 0; + p->checkDelayed = checkDelayed; + + _glthread_INIT_MUTEX(p->mutex); + + if (drmBOCreate(fd, 0, numBufs * bufSize, 0, NULL, drm_bo_type_dc, + flags, DRM_BO_HINT_DONT_FENCE, &p->kernelBO)) { + free(p->bufs); + free(p); + return NULL; + } + if (drmBOMap(fd, &p->kernelBO, DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0, + &p->virtual)) { + drmBODestroy(fd, &p->kernelBO); + free(p->bufs); + free(p); + return NULL; + } + + /* + * We unmap the buffer so that we can validate it later. Note that this is + * just a synchronizing operation. The buffer will have a virtual mapping + * until it is destroyed. + */ + + drmBOUnmap(fd, &p->kernelBO); + + buf = p->bufs; + for (i = 0; i < numBufs; ++i) { + buf->parent = p; + buf->fence = NULL; + buf->start = i * bufSize; + buf->mapped = 0; + buf->unfenced = 0; + DRMLISTADDTAIL(&buf->head, &p->free); + buf++; + } + + return p; +} + + +static void +pool_checkFree(BPool * p, int wait) +{ + drmMMListHead *list, *prev; + BBuf *buf; + int signaled = 0; + int i; + + list = p->delayed.next; + + if (p->numDelayed > 3) { + for (i = 0; i < p->numDelayed; i += 3) { + list = list->next; + } + } + + prev = list->prev; + for (; list != &p->delayed; list = prev, prev = list->prev) { + + buf = DRMLISTENTRY(BBuf, list, head); + + if (!signaled) { + if (wait) { + driFenceFinish(buf->fence, DRM_FENCE_TYPE_EXE, 1); + signaled = 1; + } + else { + signaled = driFenceSignaled(buf->fence, DRM_FENCE_TYPE_EXE); + } + } + + if (!signaled) + break; + + driFenceUnReference(buf->fence); + buf->fence = NULL; + DRMLISTDEL(list); + p->numDelayed--; + DRMLISTADD(list, &p->free); + p->numFree++; + } +} + +static void * +pool_create(struct _DriBufferPool *pool, + unsigned long size, unsigned flags, unsigned hint, + unsigned alignment) +{ + BPool *p = (BPool *) pool->data; + + drmMMListHead *item; + + if (alignment && (alignment != 4096)) + return NULL; + + _glthread_LOCK_MUTEX(p->mutex); + + if (p->numFree == 0) + pool_checkFree(p, GL_TRUE); + + if (p->numFree == 0) { + fprintf(stderr, "Out of fixed size buffer objects\n"); + BM_CKFATAL(-ENOMEM); + } + + item = p->free.next; + + if (item == &p->free) { + fprintf(stderr, "Fixed size buffer pool corruption\n"); + } + + DRMLISTDEL(item); + --p->numFree; + + _glthread_UNLOCK_MUTEX(p->mutex); + return (void *) DRMLISTENTRY(BBuf, item, head); +} + + +static int +pool_destroy(struct _DriBufferPool *pool, void *private) +{ + BBuf *buf = (BBuf *) private; + BPool *p = buf->parent; + + _glthread_LOCK_MUTEX(p->mutex); + + if (buf->fence) { + DRMLISTADDTAIL(&buf->head, &p->delayed); + p->numDelayed++; + } + else { + buf->unfenced = 0; + DRMLISTADD(&buf->head, &p->free); + p->numFree++; + } + + if ((p->numDelayed % p->checkDelayed) == 0) + pool_checkFree(p, 0); + + _glthread_UNLOCK_MUTEX(p->mutex); + return 0; +} + + +static int +pool_map(struct _DriBufferPool *pool, void *private, unsigned flags, + int hint, void **virtual) +{ + + BBuf *buf = (BBuf *) private; + BPool *p = buf->parent; + + _glthread_LOCK_MUTEX(p->mutex); + + /* + * Currently Mesa doesn't have any condition variables to resolve this + * cleanly in a multithreading environment. + * We bail out instead. + */ + + if (buf->mapped) { + fprintf(stderr, "Trying to map already mapped buffer object\n"); + BM_CKFATAL(-EINVAL); + } + +#if 0 + if (buf->unfenced && !(hint & DRM_BO_HINT_ALLOW_UNFENCED_MAP)) { + fprintf(stderr, "Trying to map an unfenced buffer object 0x%08x" + " 0x%08x %d\n", hint, flags, buf->start); + BM_CKFATAL(-EINVAL); + } + +#endif + + if (buf->fence) { + _glthread_UNLOCK_MUTEX(p->mutex); + return -EBUSY; + } + + buf->mapped = GL_TRUE; + *virtual = (unsigned char *) p->virtual + buf->start; + _glthread_UNLOCK_MUTEX(p->mutex); + return 0; +} + +static int +pool_waitIdle(struct _DriBufferPool *pool, void *private, int lazy) +{ + BBuf *buf = (BBuf *) private; + driFenceFinish(buf->fence, 0x0, lazy); + return 0; +} + +static int +pool_unmap(struct _DriBufferPool *pool, void *private) +{ + BBuf *buf = (BBuf *) private; + + buf->mapped = 0; + return 0; +} + +static unsigned long +pool_offset(struct _DriBufferPool *pool, void *private) +{ + BBuf *buf = (BBuf *) private; + BPool *p = buf->parent; + + return p->kernelBO.offset + buf->start; +} + +static unsigned +pool_flags(struct _DriBufferPool *pool, void *private) +{ + BPool *p = (BPool *) pool->data; + + return p->kernelBO.flags; +} + +static unsigned long +pool_size(struct _DriBufferPool *pool, void *private) +{ + BPool *p = (BPool *) pool->data; + + return p->bufSize; +} + + +static int +pool_fence(struct _DriBufferPool *pool, void *private, + struct _DriFenceObject *fence) +{ + BBuf *buf = (BBuf *) private; + BPool *p = buf->parent; + + _glthread_LOCK_MUTEX(p->mutex); + if (buf->fence) { + driFenceUnReference(buf->fence); + } + buf->fence = fence; + buf->unfenced = 0; + driFenceReference(buf->fence); + _glthread_UNLOCK_MUTEX(p->mutex); + + return 0; +} + +static drmBO * +pool_kernel(struct _DriBufferPool *pool, void *private) +{ + BBuf *buf = (BBuf *) private; + BPool *p = buf->parent; + + return &p->kernelBO; +} + +static int +pool_validate(struct _DriBufferPool *pool, void *private) +{ + BBuf *buf = (BBuf *) private; + BPool *p = buf->parent; + _glthread_LOCK_MUTEX(p->mutex); + buf->unfenced = GL_TRUE; + _glthread_UNLOCK_MUTEX(p->mutex); + return 0; +} + +static void +pool_takedown(struct _DriBufferPool *pool) +{ + BPool *p = (BPool *) pool->data; + + /* + * Wait on outstanding fences. + */ + + _glthread_LOCK_MUTEX(p->mutex); + while ((p->numFree < p->numTot) && p->numDelayed) { + _glthread_UNLOCK_MUTEX(p->mutex); + sched_yield(); + pool_checkFree(p, GL_TRUE); + _glthread_LOCK_MUTEX(p->mutex); + } + + drmBODestroy(pool->fd, &p->kernelBO); + free(p->bufs); + _glthread_UNLOCK_MUTEX(p->mutex); + free(p); + free(pool); +} + + +struct _DriBufferPool * +driBatchPoolInit(int fd, unsigned flags, + unsigned long bufSize, + unsigned numBufs, unsigned checkDelayed) +{ + struct _DriBufferPool *pool; + + pool = (struct _DriBufferPool *) malloc(sizeof(*pool)); + if (!pool) + return NULL; + + pool->data = createBPool(fd, bufSize, numBufs, flags, checkDelayed); + if (!pool->data) + return NULL; + + pool->fd = fd; + pool->map = &pool_map; + pool->unmap = &pool_unmap; + pool->destroy = &pool_destroy; + pool->offset = &pool_offset; + pool->flags = &pool_flags; + pool->size = &pool_size; + pool->create = &pool_create; + pool->fence = &pool_fence; + pool->kernel = &pool_kernel; + pool->validate = &pool_validate; + pool->waitIdle = &pool_waitIdle; + pool->setstatic = NULL; + pool->takeDown = &pool_takedown; + return pool; +} diff --git a/src/gallium/winsys/dri/intel/intel_batchpool.h b/src/gallium/winsys/dri/intel/intel_batchpool.h new file mode 100644 index 00000000000..f6a95723bcf --- /dev/null +++ b/src/gallium/winsys/dri/intel/intel_batchpool.h @@ -0,0 +1,37 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef INTEL_BATCHPOOL_H +#define INTEL_BATCHPOOL_H + +extern struct _DriBufferPool *driBatchPoolInit(int fd, unsigned flags, + unsigned long bufSize, + unsigned numBufs, + unsigned checkDelayed); + + +#endif /* INTEL_BATCHPOOL_H */ diff --git a/src/gallium/winsys/dri/intel/intel_context.c b/src/gallium/winsys/dri/intel/intel_context.c new file mode 100644 index 00000000000..c033f2a592c --- /dev/null +++ b/src/gallium/winsys/dri/intel/intel_context.c @@ -0,0 +1,304 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#include "i830_dri.h" + +#include "intel_screen.h" +#include "intel_context.h" +#include "intel_swapbuffers.h" +#include "intel_winsys.h" +#include "intel_batchbuffer.h" + +#include "state_tracker/st_public.h" +#include "pipe/p_defines.h" +#include "pipe/p_context.h" + +#include "utils.h" + + +#ifdef DEBUG +int __intel_debug = 0; +#endif + + +#define need_GL_ARB_multisample +#define need_GL_ARB_point_parameters +#define need_GL_ARB_texture_compression +#define need_GL_ARB_vertex_buffer_object +#define need_GL_ARB_vertex_program +#define need_GL_ARB_window_pos +#define need_GL_EXT_blend_color +#define need_GL_EXT_blend_equation_separate +#define need_GL_EXT_blend_func_separate +#define need_GL_EXT_blend_minmax +#define need_GL_EXT_cull_vertex +#define need_GL_EXT_fog_coord +#define need_GL_EXT_framebuffer_object +#define need_GL_EXT_multi_draw_arrays +#define need_GL_EXT_secondary_color +#define need_GL_NV_vertex_program +#include "extension_helper.h" + + +/** + * Extension strings exported by the intel driver. + * + * \note + * It appears that ARB_texture_env_crossbar has "disappeared" compared to the + * old i830-specific driver. + */ +const struct dri_extension card_extensions[] = { + {"GL_ARB_multisample", GL_ARB_multisample_functions}, + {"GL_ARB_multitexture", NULL}, + {"GL_ARB_point_parameters", GL_ARB_point_parameters_functions}, + {"GL_ARB_texture_border_clamp", NULL}, + {"GL_ARB_texture_compression", GL_ARB_texture_compression_functions}, + {"GL_ARB_texture_cube_map", NULL}, + {"GL_ARB_texture_env_add", NULL}, + {"GL_ARB_texture_env_combine", NULL}, + {"GL_ARB_texture_env_dot3", NULL}, + {"GL_ARB_texture_mirrored_repeat", NULL}, + {"GL_ARB_texture_rectangle", NULL}, + {"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions}, + {"GL_ARB_pixel_buffer_object", NULL}, + {"GL_ARB_vertex_program", GL_ARB_vertex_program_functions}, + {"GL_ARB_window_pos", GL_ARB_window_pos_functions}, + {"GL_EXT_blend_color", GL_EXT_blend_color_functions}, + {"GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions}, + {"GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions}, + {"GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions}, + {"GL_EXT_blend_subtract", NULL}, + {"GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions}, + {"GL_EXT_fog_coord", GL_EXT_fog_coord_functions}, + {"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions}, + {"GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions}, + {"GL_EXT_packed_depth_stencil", NULL}, + {"GL_EXT_pixel_buffer_object", NULL}, + {"GL_EXT_secondary_color", GL_EXT_secondary_color_functions}, + {"GL_EXT_stencil_wrap", NULL}, + {"GL_EXT_texture_edge_clamp", NULL}, + {"GL_EXT_texture_env_combine", NULL}, + {"GL_EXT_texture_env_dot3", NULL}, + {"GL_EXT_texture_filter_anisotropic", NULL}, + {"GL_EXT_texture_lod_bias", NULL}, + {"GL_3DFX_texture_compression_FXT1", NULL}, + {"GL_APPLE_client_storage", NULL}, + {"GL_MESA_pack_invert", NULL}, + {"GL_MESA_ycbcr_texture", NULL}, + {"GL_NV_blend_square", NULL}, + {"GL_NV_vertex_program", GL_NV_vertex_program_functions}, + {"GL_NV_vertex_program1_1", NULL}, + {"GL_SGIS_generate_mipmap", NULL }, + {NULL, NULL} +}; + + + +#ifdef DEBUG +static const struct dri_debug_control debug_control[] = { + {"ioctl", DEBUG_IOCTL}, + {"bat", DEBUG_BATCH}, + {"lock", DEBUG_LOCK}, + {"swap", DEBUG_SWAP}, + {NULL, 0} +}; +#endif + + + +GLboolean +intelCreateContext(const __GLcontextModes * visual, + __DRIcontextPrivate * driContextPriv, + void *sharedContextPrivate) +{ + struct intel_context *intel = CALLOC_STRUCT(intel_context); + __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; + struct intel_screen *intelScreen = intel_screen(sPriv); + drmI830Sarea *saPriv = intelScreen->sarea; + int fthrottle_mode; + GLboolean havePools; + struct pipe_context *pipe; + struct st_context *st_share = NULL; + + if (sharedContextPrivate) { + st_share = ((struct intel_context *) sharedContextPrivate)->st; + } + + driContextPriv->driverPrivate = intel; + intel->intelScreen = intelScreen; + intel->driScreen = sPriv; + intel->sarea = saPriv; + + driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache, + intel->driScreen->myNum, "i915"); + + + /* + * memory pools + */ + DRM_LIGHT_LOCK(sPriv->fd, &sPriv->pSAREA->lock, driContextPriv->hHWContext); + havePools = intelCreatePools(sPriv); + DRM_UNLOCK(sPriv->fd, &sPriv->pSAREA->lock, driContextPriv->hHWContext); + if (!havePools) + return GL_FALSE; + + + /* Dri stuff */ + intel->hHWContext = driContextPriv->hHWContext; + intel->driFd = sPriv->fd; + intel->driHwLock = (drmLock *) & sPriv->pSAREA->lock; + + fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode"); + intel->iw.irq_seq = -1; + intel->irqsEmitted = 0; + + intel->batch = intel_batchbuffer_alloc(intel); + intel->last_swap_fence = NULL; + intel->first_swap_fence = NULL; + +#ifdef DEBUG + __intel_debug = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); +#endif + + /* + * Pipe-related setup + */ + if (!getenv("INTEL_HW")) { + pipe = intel_create_softpipe( intel, intelScreen->winsys ); + } + else { + switch (intel->intelScreen->deviceID) { + case PCI_CHIP_I945_G: + case PCI_CHIP_I945_GM: + case PCI_CHIP_I945_GME: + case PCI_CHIP_G33_G: + case PCI_CHIP_Q33_G: + case PCI_CHIP_Q35_G: + case PCI_CHIP_I915_G: + case PCI_CHIP_I915_GM: + pipe = intel_create_i915simple( intel, intelScreen->winsys ); + break; + default: + fprintf(stderr, "Unknown PCIID %x in %s, using software driver\n", + intel->intelScreen->deviceID, __FUNCTION__); + + pipe = intel_create_softpipe( intel, intelScreen->winsys ); + break; + } + } + + pipe->priv = intel; + + intel->st = st_create_context(pipe, visual, st_share); + + return GL_TRUE; +} + + +void +intelDestroyContext(__DRIcontextPrivate * driContextPriv) +{ + struct intel_context *intel = intel_context(driContextPriv); + + assert(intel); /* should never be null */ + if (intel) { + st_flush(intel->st, PIPE_FLUSH_WAIT); + + intel_batchbuffer_free(intel->batch); + + if (intel->last_swap_fence) { + driFenceFinish(intel->last_swap_fence, DRM_FENCE_TYPE_EXE, GL_TRUE); + driFenceUnReference(intel->last_swap_fence); + intel->last_swap_fence = NULL; + } + if (intel->first_swap_fence) { + driFenceFinish(intel->first_swap_fence, DRM_FENCE_TYPE_EXE, GL_TRUE); + driFenceUnReference(intel->first_swap_fence); + intel->first_swap_fence = NULL; + } + + if (intel->intelScreen->dummyContext == intel) + intel->intelScreen->dummyContext = NULL; + + st_destroy_context(intel->st); + free(intel); + } +} + + +GLboolean +intelUnbindContext(__DRIcontextPrivate * driContextPriv) +{ + struct intel_context *intel = intel_context(driContextPriv); + st_flush(intel->st, 0x0); + /* XXX make_current(NULL)? */ + return GL_TRUE; +} + + +GLboolean +intelMakeCurrent(__DRIcontextPrivate * driContextPriv, + __DRIdrawablePrivate * driDrawPriv, + __DRIdrawablePrivate * driReadPriv) +{ + if (driContextPriv) { + struct intel_context *intel = intel_context(driContextPriv); + struct intel_framebuffer *draw_fb = intel_framebuffer(driDrawPriv); + struct intel_framebuffer *read_fb = intel_framebuffer(driReadPriv); + + assert(draw_fb->stfb); + assert(read_fb->stfb); + + /* This is for situations in which we need a rendering context but + * there may not be any currently bound. + */ + intel->intelScreen->dummyContext = intel; + + st_make_current(intel->st, draw_fb->stfb, read_fb->stfb); + + if ((intel->driDrawable != driDrawPriv) || + (intel->lastStamp != driDrawPriv->lastStamp)) { + intel->driDrawable = driDrawPriv; + intelUpdateWindowSize(driDrawPriv); + intel->lastStamp = driDrawPriv->lastStamp; + } + + /* The size of the draw buffer will have been updated above. + * If the readbuffer is a different window, check/update its size now. + */ + if (driReadPriv != driDrawPriv) { + intelUpdateWindowSize(driReadPriv); + } + + } + else { + st_make_current(NULL, NULL, NULL); + } + + return GL_TRUE; +} diff --git a/src/gallium/winsys/dri/intel/intel_context.h b/src/gallium/winsys/dri/intel/intel_context.h new file mode 100644 index 00000000000..b01370c049c --- /dev/null +++ b/src/gallium/winsys/dri/intel/intel_context.h @@ -0,0 +1,158 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef INTEL_CONTEXT_H +#define INTEL_CONTEXT_H + + +#include "drm.h" +#include "intel_screen.h" +#include "i915_drm.h" + + +struct pipe_context; +struct intel_context; +struct _DriBufferObject; +struct st_context; + + +#define INTEL_MAX_FIXUP 64 + +/** + * Intel rendering context, contains a state tracker and intel-specific info. + */ +struct intel_context +{ + struct st_context *st; + + struct _DriFenceObject *last_swap_fence; + struct _DriFenceObject *first_swap_fence; + + struct intel_batchbuffer *batch; + + boolean locked; + char *prevLockFile; + int prevLockLine; + + uint irqsEmitted; + drm_i915_irq_wait_t iw; + + drm_context_t hHWContext; + drmLock *driHwLock; + int driFd; + + __DRIdrawablePrivate *driDrawable; + __DRIscreenPrivate *driScreen; + struct intel_screen *intelScreen; + drmI830Sarea *sarea; + + uint lastStamp; + + /** + * Configuration cache + */ + driOptionCache optionCache; +}; + + + +/** + * Intel framebuffer. + */ +struct intel_framebuffer +{ + struct st_framebuffer *stfb; + + /* other fields TBD */ + int other; +}; + + + + +/* These are functions now: + */ +void LOCK_HARDWARE( struct intel_context *intel ); +void UNLOCK_HARDWARE( struct intel_context *intel ); + +extern char *__progname; + + + +/* ================================================================ + * Debugging: + */ +#ifdef DEBUG +extern int __intel_debug; + +#define DEBUG_SWAP 0x1 +#define DEBUG_LOCK 0x2 +#define DEBUG_IOCTL 0x4 +#define DEBUG_BATCH 0x8 + +#define DBG(flag, ...) do { \ + if (__intel_debug & (DEBUG_##flag)) \ + printf(__VA_ARGS__); \ +} while(0) + +#else +#define DBG(flag, ...) +#endif + + + +#define PCI_CHIP_845_G 0x2562 +#define PCI_CHIP_I830_M 0x3577 +#define PCI_CHIP_I855_GM 0x3582 +#define PCI_CHIP_I865_G 0x2572 +#define PCI_CHIP_I915_G 0x2582 +#define PCI_CHIP_I915_GM 0x2592 +#define PCI_CHIP_I945_G 0x2772 +#define PCI_CHIP_I945_GM 0x27A2 +#define PCI_CHIP_I945_GME 0x27AE +#define PCI_CHIP_G33_G 0x29C2 +#define PCI_CHIP_Q35_G 0x29B2 +#define PCI_CHIP_Q33_G 0x29D2 + + +/** Cast wrapper */ +static INLINE struct intel_context * +intel_context(__DRIcontextPrivate *driContextPriv) +{ + return (struct intel_context *) driContextPriv->driverPrivate; +} + + +/** Cast wrapper */ +static INLINE struct intel_framebuffer * +intel_framebuffer(__DRIdrawablePrivate * driDrawPriv) +{ + return (struct intel_framebuffer *) driDrawPriv->driverPrivate; +} + + +#endif diff --git a/src/gallium/winsys/dri/intel/intel_lock.c b/src/gallium/winsys/dri/intel/intel_lock.c new file mode 100644 index 00000000000..70aa7ea5f46 --- /dev/null +++ b/src/gallium/winsys/dri/intel/intel_lock.c @@ -0,0 +1,102 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#include "main/glheader.h" +#include "glapi/glthread.h" +#include <GL/internal/glcore.h> +#include "state_tracker/st_public.h" +#include "intel_context.h" +#include "i830_dri.h" + + + +_glthread_DECLARE_STATIC_MUTEX( lockMutex ); + + +static void +intelContendedLock(struct intel_context *intel, uint flags) +{ + __DRIdrawablePrivate *dPriv = intel->driDrawable; + __DRIscreenPrivate *sPriv = intel->driScreen; + struct intel_screen *intelScreen = intel_screen(sPriv); + drmI830Sarea *sarea = intel->sarea; + + drmGetLock(intel->driFd, intel->hHWContext, flags); + + DBG(LOCK, "%s - got contended lock\n", __progname); + + /* If the window moved, may need to set a new cliprect now. + * + * NOTE: This releases and regains the hw lock, so all state + * checking must be done *after* this call: + */ + if (dPriv) + DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv); + + if (sarea->width != intelScreen->front.width || + sarea->height != intelScreen->front.height) { + + intelUpdateScreenRotation(sPriv, sarea); + } +} + + +/* Lock the hardware and validate our state. + */ +void LOCK_HARDWARE( struct intel_context *intel ) +{ + char __ret = 0; + + _glthread_LOCK_MUTEX(lockMutex); + assert(!intel->locked); + + DRM_CAS(intel->driHwLock, intel->hHWContext, + (DRM_LOCK_HELD|intel->hHWContext), __ret); + + if (__ret) + intelContendedLock( intel, 0 ); + + DBG(LOCK, "%s - locked\n", __progname); + + intel->locked = 1; +} + + +/* Unlock the hardware using the global current context + */ +void UNLOCK_HARDWARE( struct intel_context *intel ) +{ + assert(intel->locked); + intel->locked = 0; + + DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext); + + _glthread_UNLOCK_MUTEX(lockMutex); + + DBG(LOCK, "%s - unlocked\n", __progname); +} diff --git a/src/gallium/winsys/dri/intel/intel_reg.h b/src/gallium/winsys/dri/intel/intel_reg.h new file mode 100644 index 00000000000..f37c24fda9a --- /dev/null +++ b/src/gallium/winsys/dri/intel/intel_reg.h @@ -0,0 +1,53 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef _INTEL_REG_H_ +#define _INTEL_REG_H_ + + +#define BR00_BITBLT_CLIENT 0x40000000 +#define BR00_OP_COLOR_BLT 0x10000000 +#define BR00_OP_SRC_COPY_BLT 0x10C00000 +#define BR13_SOLID_PATTERN 0x80000000 + +#define XY_COLOR_BLT_CMD ((2<<29)|(0x50<<22)|0x4) +#define XY_COLOR_BLT_WRITE_ALPHA (1<<21) +#define XY_COLOR_BLT_WRITE_RGB (1<<20) + +#define XY_SRC_COPY_BLT_CMD ((2<<29)|(0x53<<22)|6) +#define XY_SRC_COPY_BLT_WRITE_ALPHA (1<<21) +#define XY_SRC_COPY_BLT_WRITE_RGB (1<<20) + +#define MI_WAIT_FOR_EVENT ((0x3<<23)) +#define MI_WAIT_FOR_PLANE_B_FLIP (1<<6) +#define MI_WAIT_FOR_PLANE_A_FLIP (1<<2) + +#define MI_BATCH_BUFFER_END (0xA<<23) + + +#endif diff --git a/src/gallium/winsys/dri/intel/intel_screen.c b/src/gallium/winsys/dri/intel/intel_screen.c new file mode 100644 index 00000000000..9e31c013a95 --- /dev/null +++ b/src/gallium/winsys/dri/intel/intel_screen.c @@ -0,0 +1,537 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "utils.h" +#include "vblank.h" +#include "xmlpool.h" + +#include "intel_context.h" +#include "intel_screen.h" +#include "intel_batchbuffer.h" +#include "intel_batchpool.h" +#include "intel_swapbuffers.h" +#include "intel_winsys.h" + +#include "i830_dri.h" +#include "dri_bufpool.h" + +#include "pipe/p_context.h" +#include "state_tracker/st_public.h" +#include "state_tracker/st_cb_fbo.h" + + + +PUBLIC const char __driConfigOptions[] = + DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE + DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS) + DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0) + DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY + DRI_CONF_FORCE_S3TC_ENABLE(false) + DRI_CONF_ALLOW_LARGE_TEXTURES(1) + DRI_CONF_SECTION_END DRI_CONF_END; + +const uint __driNConfigOptions = 4; + +#ifdef USE_NEW_INTERFACE +static PFNGLXCREATECONTEXTMODES create_context_modes = NULL; +#endif /*USE_NEW_INTERFACE */ + +extern const struct dri_extension card_extensions[]; + + + + +static void +intelPrintDRIInfo(struct intel_screen * intelScreen, + __DRIscreenPrivate * sPriv, I830DRIPtr gDRIPriv) +{ + fprintf(stderr, "*** Front size: 0x%x offset: 0x%x pitch: %d\n", + intelScreen->front.size, intelScreen->front.offset, + intelScreen->front.pitch); + fprintf(stderr, "*** Memory : 0x%x\n", gDRIPriv->mem); +} + + +#if 0 +static void +intelPrintSAREA(const drmI830Sarea * sarea) +{ + fprintf(stderr, "SAREA: sarea width %d height %d\n", sarea->width, + sarea->height); + fprintf(stderr, "SAREA: pitch: %d\n", sarea->pitch); + fprintf(stderr, + "SAREA: front offset: 0x%08x size: 0x%x handle: 0x%x\n", + sarea->front_offset, sarea->front_size, + (unsigned) sarea->front_handle); + fprintf(stderr, + "SAREA: back offset: 0x%08x size: 0x%x handle: 0x%x\n", + sarea->back_offset, sarea->back_size, + (unsigned) sarea->back_handle); + fprintf(stderr, "SAREA: depth offset: 0x%08x size: 0x%x handle: 0x%x\n", + sarea->depth_offset, sarea->depth_size, + (unsigned) sarea->depth_handle); + fprintf(stderr, "SAREA: tex offset: 0x%08x size: 0x%x handle: 0x%x\n", + sarea->tex_offset, sarea->tex_size, (unsigned) sarea->tex_handle); + fprintf(stderr, "SAREA: rotation: %d\n", sarea->rotation); + fprintf(stderr, + "SAREA: rotated offset: 0x%08x size: 0x%x\n", + sarea->rotated_offset, sarea->rotated_size); + fprintf(stderr, "SAREA: rotated pitch: %d\n", sarea->rotated_pitch); +} +#endif + + +/** + * Use the information in the sarea to update the screen parameters + * related to screen rotation. Needs to be called locked. + */ +void +intelUpdateScreenRotation(__DRIscreenPrivate * sPriv, drmI830Sarea * sarea) +{ + struct intel_screen *intelScreen = intel_screen(sPriv); + + if (intelScreen->front.map) { + drmUnmap(intelScreen->front.map, intelScreen->front.size); + intelScreen->front.map = NULL; + } + + if (intelScreen->front.buffer) + driDeleteBuffers(1, &intelScreen->front.buffer); + + intelScreen->front.width = sarea->width; + intelScreen->front.height = sarea->height; + intelScreen->front.offset = sarea->front_offset; + intelScreen->front.pitch = sarea->pitch * intelScreen->front.cpp; + intelScreen->front.size = sarea->front_size; + intelScreen->front.handle = sarea->front_handle; + + assert( sarea->front_size >= + intelScreen->front.pitch * intelScreen->front.height ); + + if (!sarea->front_handle) + return; + + if (drmMap(sPriv->fd, + sarea->front_handle, + intelScreen->front.size, + (drmAddress *) & intelScreen->front.map) != 0) { + fprintf(stderr, "drmMap(frontbuffer) failed!\n"); + return; + } + + if (intelScreen->staticPool) { + driGenBuffers(intelScreen->staticPool, "static region", 1, + &intelScreen->front.buffer, 64, + DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_NO_MOVE | + DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0); + + driBOSetStatic(intelScreen->front.buffer, + intelScreen->front.offset, + intelScreen->front.pitch * intelScreen->front.height, + intelScreen->front.map, 0); + } +} + + +boolean +intelCreatePools(__DRIscreenPrivate * sPriv) +{ + unsigned batchPoolSize = 1024*1024; + struct intel_screen *intelScreen = intel_screen(sPriv); + + if (intelScreen->havePools) + return GL_TRUE; + + intelScreen->staticPool = driDRMStaticPoolInit(sPriv->fd); + if (!intelScreen->staticPool) + return GL_FALSE; + + batchPoolSize /= BATCH_SZ; + intelScreen->batchPool = driBatchPoolInit(sPriv->fd, + DRM_BO_FLAG_EXE | + DRM_BO_FLAG_MEM_TT | + DRM_BO_FLAG_MEM_LOCAL, + BATCH_SZ, + batchPoolSize, 5); + if (!intelScreen->batchPool) { + fprintf(stderr, "Failed to initialize batch pool - possible incorrect agpgart installed\n"); + return GL_FALSE; + } + + intelScreen->havePools = GL_TRUE; + + intelUpdateScreenRotation(sPriv, intelScreen->sarea); + + return GL_TRUE; +} + + +static boolean +intelInitDriver(__DRIscreenPrivate * sPriv) +{ + struct intel_screen *intelScreen; + I830DRIPtr gDRIPriv = (I830DRIPtr) sPriv->pDevPriv; + + PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension = + (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface-> + getProcAddress("glxEnableExtension")); + void *const psc = sPriv->psc->screenConfigs; + + if (sPriv->devPrivSize != sizeof(I830DRIRec)) { + fprintf(stderr, + "\nERROR! sizeof(I830DRIRec) does not match passed size from device driver\n"); + return GL_FALSE; + } + + /* Allocate the private area */ + intelScreen = CALLOC_STRUCT(intel_screen); + if (!intelScreen) + return GL_FALSE; + + /* parse information in __driConfigOptions */ + driParseOptionInfo(&intelScreen->optionCache, + __driConfigOptions, __driNConfigOptions); + + sPriv->private = (void *) intelScreen; + + intelScreen->sarea = (drmI830Sarea *) (((GLubyte *) sPriv->pSAREA) + + gDRIPriv->sarea_priv_offset); + intelScreen->deviceID = gDRIPriv->deviceID; + intelScreen->front.cpp = gDRIPriv->cpp; + intelScreen->drmMinor = sPriv->drmMinor; + + assert(gDRIPriv->bitsPerPixel == 16 || + gDRIPriv->bitsPerPixel == 32); + + intelUpdateScreenRotation(sPriv, intelScreen->sarea); + + if (0) + intelPrintDRIInfo(intelScreen, sPriv, gDRIPriv); + + if (glx_enable_extension != NULL) { + (*glx_enable_extension) (psc, "GLX_SGI_swap_control"); + (*glx_enable_extension) (psc, "GLX_SGI_video_sync"); + (*glx_enable_extension) (psc, "GLX_MESA_swap_control"); + (*glx_enable_extension) (psc, "GLX_MESA_swap_frame_usage"); + (*glx_enable_extension) (psc, "GLX_SGI_make_current_read"); + } + + intelScreen->winsys = intel_create_pipe_winsys(sPriv->fd); + + return GL_TRUE; +} + + +static void +intelDestroyScreen(__DRIscreenPrivate * sPriv) +{ + struct intel_screen *intelScreen = intel_screen(sPriv); + + /* intelUnmapScreenRegions(intelScreen); */ + + if (intelScreen->havePools) { + driPoolTakeDown(intelScreen->staticPool); + driPoolTakeDown(intelScreen->batchPool); + } + FREE(intelScreen); + sPriv->private = NULL; +} + + +/** + * This is called when we need to set up GL rendering to a new X window. + */ +static boolean +intelCreateBuffer(__DRIscreenPrivate * driScrnPriv, + __DRIdrawablePrivate * driDrawPriv, + const __GLcontextModes * visual, boolean isPixmap) +{ + if (isPixmap) { + return GL_FALSE; /* not implemented */ + } + else { + enum pipe_format colorFormat, depthFormat, stencilFormat; + struct intel_framebuffer *intelfb = CALLOC_STRUCT(intel_framebuffer); + + if (!intelfb) + return GL_FALSE; + + if (visual->redBits == 5) + colorFormat = PIPE_FORMAT_R5G6B5_UNORM; + else + colorFormat = PIPE_FORMAT_A8R8G8B8_UNORM; + + if (visual->depthBits == 16) + depthFormat = PIPE_FORMAT_Z16_UNORM; + else if (visual->depthBits == 24) + depthFormat = PIPE_FORMAT_S8Z24_UNORM; + else + depthFormat = PIPE_FORMAT_NONE; + + if (visual->stencilBits == 8) + stencilFormat = PIPE_FORMAT_S8Z24_UNORM; + else + stencilFormat = PIPE_FORMAT_NONE; + + intelfb->stfb = st_create_framebuffer(visual, + colorFormat, + depthFormat, + stencilFormat, + driDrawPriv->w, + driDrawPriv->h, + (void*) intelfb); + if (!intelfb->stfb) { + free(intelfb); + return GL_FALSE; + } + + driDrawPriv->driverPrivate = (void *) intelfb; + return GL_TRUE; + } +} + +static void +intelDestroyBuffer(__DRIdrawablePrivate * driDrawPriv) +{ + struct intel_framebuffer *intelfb = intel_framebuffer(driDrawPriv); + assert(intelfb->stfb); + st_unreference_framebuffer(&intelfb->stfb); + free(intelfb); +} + + +/** + * Get information about previous buffer swaps. + */ +static int +intelGetSwapInfo(__DRIdrawablePrivate * dPriv, __DRIswapInfo * sInfo) +{ + if ((dPriv == NULL) || (dPriv->driverPrivate == NULL) + || (sInfo == NULL)) { + return -1; + } + + return 0; +} + + +static void +intelSetTexOffset(__DRIcontext *pDRICtx, int texname, + unsigned long long offset, int depth, uint pitch) +{ + abort(); +#if 0 + struct intel_context *intel = (struct intel_context*) + ((__DRIcontextPrivate*)pDRICtx->private)->driverPrivate; + struct gl_texture_object *tObj = _mesa_lookup_texture(&intel->ctx, texname); + struct st_texture_object *stObj = st_texture_object(tObj); + + if (!stObj) + return; + + if (stObj->pt) + st->pipe->texture_release(intel->st->pipe, &stObj->pt); + + stObj->imageOverride = GL_TRUE; + stObj->depthOverride = depth; + stObj->pitchOverride = pitch; + + if (offset) + stObj->textureOffset = offset; +#endif +} + + +static const struct __DriverAPIRec intelAPI = { + .InitDriver = intelInitDriver, + .DestroyScreen = intelDestroyScreen, + .CreateContext = intelCreateContext, + .DestroyContext = intelDestroyContext, + .CreateBuffer = intelCreateBuffer, + .DestroyBuffer = intelDestroyBuffer, + .SwapBuffers = intelSwapBuffers, + .MakeCurrent = intelMakeCurrent, + .UnbindContext = intelUnbindContext, + .GetSwapInfo = intelGetSwapInfo, + .GetMSC = driGetMSC32, + .WaitForMSC = driWaitForMSC32, + .WaitForSBC = NULL, + .SwapBuffersMSC = NULL, + .CopySubBuffer = intelCopySubBuffer, + .setTexOffset = intelSetTexOffset, +}; + + +static __GLcontextModes * +intelFillInModes(unsigned pixel_bits, unsigned depth_bits, + unsigned stencil_bits, boolean have_back_buffer) +{ + __GLcontextModes *modes; + __GLcontextModes *m; + unsigned num_modes; + unsigned depth_buffer_factor; + unsigned back_buffer_factor; + GLenum fb_format; + GLenum fb_type; + + /* GLX_SWAP_COPY_OML is only supported because the Intel driver doesn't + * support pageflipping at all. + */ + static const GLenum back_buffer_modes[] = { + GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML + }; + + u_int8_t depth_bits_array[3]; + u_int8_t stencil_bits_array[3]; + + + depth_bits_array[0] = 0; + depth_bits_array[1] = depth_bits; + depth_bits_array[2] = depth_bits; + + /* Just like with the accumulation buffer, always provide some modes + * with a stencil buffer. It will be a sw fallback, but some apps won't + * care about that. + */ + stencil_bits_array[0] = 0; + stencil_bits_array[1] = 0; + if (depth_bits == 24) + stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits; + + stencil_bits_array[2] = (stencil_bits == 0) ? 8 : stencil_bits; + + depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 3 : 1; + back_buffer_factor = (have_back_buffer) ? 3 : 1; + + num_modes = depth_buffer_factor * back_buffer_factor * 4; + + if (pixel_bits == 16) { + fb_format = GL_RGB; + fb_type = GL_UNSIGNED_SHORT_5_6_5; + } + else { + fb_format = GL_BGRA; + fb_type = GL_UNSIGNED_INT_8_8_8_8_REV; + } + + modes = + (*dri_interface->createContextModes) (num_modes, + sizeof(__GLcontextModes)); + m = modes; + if (!driFillInModes(&m, fb_format, fb_type, + depth_bits_array, stencil_bits_array, + depth_buffer_factor, back_buffer_modes, + back_buffer_factor, GLX_TRUE_COLOR)) { + fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__, + __LINE__); + return NULL; + } + if (!driFillInModes(&m, fb_format, fb_type, + depth_bits_array, stencil_bits_array, + depth_buffer_factor, back_buffer_modes, + back_buffer_factor, GLX_DIRECT_COLOR)) { + fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__, + __LINE__); + return NULL; + } + + /* Mark the visual as slow if there are "fake" stencil bits. + */ + for (m = modes; m != NULL; m = m->next) { + if ((m->stencilBits != 0) && (m->stencilBits != stencil_bits)) { + m->visualRating = GLX_SLOW_CONFIG; + } + } + + return modes; +} + + +/** + * This is the bootstrap function for the driver. libGL supplies all of the + * requisite information about the system, and the driver initializes itself. + * This routine also fills in the linked list pointed to by \c driver_modes + * with the \c __GLcontextModes that the driver can support for windows or + * pbuffers. + * + * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on + * failure. + */ +PUBLIC void * +__driCreateNewScreen_20050727(__DRInativeDisplay * dpy, int scrn, + __DRIscreen * psc, + const __GLcontextModes * modes, + const __DRIversion * ddx_version, + const __DRIversion * dri_version, + const __DRIversion * drm_version, + const __DRIframebuffer * frame_buffer, + drmAddress pSAREA, int fd, + int internal_api_version, + const __DRIinterfaceMethods * interface, + __GLcontextModes ** driver_modes) +{ + __DRIscreenPrivate *psp; + static const __DRIversion ddx_expected = { 1, 7, 0 }; + static const __DRIversion dri_expected = { 4, 0, 0 }; + static const __DRIversion drm_expected = { 1, 7, 0 }; + + dri_interface = interface; + + if (!driCheckDriDdxDrmVersions2("i915", + dri_version, &dri_expected, + ddx_version, &ddx_expected, + drm_version, &drm_expected)) { + return NULL; + } + + psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL, + ddx_version, dri_version, drm_version, + frame_buffer, pSAREA, fd, + internal_api_version, &intelAPI); + + if (psp != NULL) { + I830DRIPtr dri_priv = (I830DRIPtr) psp->pDevPriv; + *driver_modes = intelFillInModes(dri_priv->cpp * 8, + (dri_priv->cpp == 2) ? 16 : 24, + (dri_priv->cpp == 2) ? 0 : 8, 1); + + /* Calling driInitExtensions here, with a NULL context pointer, + * does not actually enable the extensions. It just makes sure + * that all the dispatch offsets for all the extensions that + * *might* be enables are known. This is needed because the + * dispatch offsets need to be known when _mesa_context_create + * is called, but we can't enable the extensions until we have a + * context pointer. + * + * Hello chicken. Hello egg. How are you two today? + */ + driInitExtensions(NULL, card_extensions, GL_FALSE); + } + + return (void *) psp; +} + diff --git a/src/gallium/winsys/dri/intel/intel_screen.h b/src/gallium/winsys/dri/intel/intel_screen.h new file mode 100644 index 00000000000..3396f9e5643 --- /dev/null +++ b/src/gallium/winsys/dri/intel/intel_screen.h @@ -0,0 +1,113 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef _INTEL_SCREEN_H_ +#define _INTEL_SCREEN_H_ + +#include "dri_util.h" +#include "i830_common.h" +#include "xmlconfig.h" +#include "dri_bufpool.h" + +#include "pipe/p_compiler.h" + + +struct intel_screen +{ + struct { + drm_handle_t handle; + + /* We create a static dri buffer for the frontbuffer. + */ + struct _DriBufferObject *buffer; + + char *map; /* memory map */ + int offset; /* from start of video mem, in bytes */ + int pitch; /* row stride, in bytes */ + int width; + int height; + int size; + int cpp; /* for front and back buffers */ + } front; + + int deviceID; + int drmMinor; + + drmI830Sarea *sarea; + + /** + * Configuration cache with default values for all contexts + */ + driOptionCache optionCache; + + struct _DriBufferPool *batchPool; + struct _DriBufferPool *staticPool; /** for the X screen/framebuffer */ + boolean havePools; + + /** + * Temporary(?) context to use for SwapBuffers or other situations in + * which we need a rendering context, but none is currently bound. + */ + struct intel_context *dummyContext; + + struct pipe_winsys *winsys; +}; + + + +/** cast wrapper */ +static INLINE struct intel_screen * +intel_screen(__DRIscreenPrivate *sPriv) +{ + return (struct intel_screen *) sPriv->private; +} + + +extern void +intelUpdateScreenRotation(__DRIscreenPrivate * sPriv, drmI830Sarea * sarea); + + +extern void intelDestroyContext(__DRIcontextPrivate * driContextPriv); + +extern boolean intelUnbindContext(__DRIcontextPrivate * driContextPriv); + +extern boolean +intelMakeCurrent(__DRIcontextPrivate * driContextPriv, + __DRIdrawablePrivate * driDrawPriv, + __DRIdrawablePrivate * driReadPriv); + + +extern boolean +intelCreatePools(__DRIscreenPrivate *sPriv); + +extern boolean +intelCreateContext(const __GLcontextModes * visual, + __DRIcontextPrivate * driContextPriv, + void *sharedContextPrivate); + + +#endif diff --git a/src/gallium/winsys/dri/intel/intel_swapbuffers.c b/src/gallium/winsys/dri/intel/intel_swapbuffers.c new file mode 100644 index 00000000000..56b86d6a636 --- /dev/null +++ b/src/gallium/winsys/dri/intel/intel_swapbuffers.c @@ -0,0 +1,253 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "intel_screen.h" +#include "intel_context.h" +#include "intel_swapbuffers.h" +#include "intel_batchbuffer.h" +#include "intel_reg.h" +#include "intel_winsys.h" + +#include "pipe/p_context.h" +#include "state_tracker/st_public.h" +#include "state_tracker/st_context.h" +#include "state_tracker/st_cb_fbo.h" + + +/** + * Display a colorbuffer surface in an X window. + * Used for SwapBuffers and flushing front buffer rendering. + * + * \param dPriv the window/drawable to display into + * \param surf the surface to display + * \param rect optional subrect of surface to display (may be NULL). + */ +void +intelDisplaySurface(__DRIdrawablePrivate *dPriv, + struct pipe_surface *surf, + const drm_clip_rect_t *rect) +{ + struct intel_screen *intelScreen = intel_screen(dPriv->driScreenPriv); + struct intel_context *intel = intelScreen->dummyContext; + + DBG(SWAP, "%s\n", __FUNCTION__); + + if (!intel) { + /* XXX this is where some kind of extra/meta context could be useful */ + return; + } + + if (intel->last_swap_fence) { + driFenceFinish(intel->last_swap_fence, DRM_FENCE_TYPE_EXE, TRUE); + driFenceUnReference(intel->last_swap_fence); + intel->last_swap_fence = NULL; + } + intel->last_swap_fence = intel->first_swap_fence; + intel->first_swap_fence = NULL; + + /* The LOCK_HARDWARE is required for the cliprects. Buffer offsets + * should work regardless. + */ + LOCK_HARDWARE(intel); + /* if this drawable isn't currently bound the LOCK_HARDWARE done on the + * current context (which is what intelScreenContext should return) might + * not get a contended lock and thus cliprects not updated (tests/manywin) + */ + if (intel_context(dPriv->driContextPriv) != intel) + DRI_VALIDATE_DRAWABLE_INFO(intel->driScreen, dPriv); + + + if (dPriv && dPriv->numClipRects) { + const int srcWidth = surf->width; + const int srcHeight = surf->height; + const int nbox = dPriv->numClipRects; + const drm_clip_rect_t *pbox = dPriv->pClipRects; + const int pitch = intelScreen->front.pitch / intelScreen->front.cpp; + const int cpp = intelScreen->front.cpp; + const int srcpitch = surf->pitch; + int BR13, CMD; + int i; + + ASSERT(surf->buffer); + ASSERT(surf->cpp == cpp); + + DBG(SWAP, "screen pitch %d src surface pitch %d\n", + pitch, surf->pitch); + + if (cpp == 2) { + BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24); + CMD = XY_SRC_COPY_BLT_CMD; + } + else { + BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24) | (1 << 25); + CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA | + XY_SRC_COPY_BLT_WRITE_RGB); + } + + for (i = 0; i < nbox; i++, pbox++) { + drm_clip_rect_t box; + drm_clip_rect_t sbox; + + if (pbox->x1 > pbox->x2 || + pbox->y1 > pbox->y2 || + pbox->x2 > intelScreen->front.width || + pbox->y2 > intelScreen->front.height) { + /* invalid cliprect, skip it */ + continue; + } + + box = *pbox; + + if (rect) { + /* intersect cliprect with user-provided src rect */ + drm_clip_rect_t rrect; + + rrect.x1 = dPriv->x + rect->x1; + rrect.y1 = (dPriv->h - rect->y1 - rect->y2) + dPriv->y; + rrect.x2 = rect->x2 + rrect.x1; + rrect.y2 = rect->y2 + rrect.y1; + if (rrect.x1 > box.x1) + box.x1 = rrect.x1; + if (rrect.y1 > box.y1) + box.y1 = rrect.y1; + if (rrect.x2 < box.x2) + box.x2 = rrect.x2; + if (rrect.y2 < box.y2) + box.y2 = rrect.y2; + + if (box.x1 > box.x2 || box.y1 > box.y2) + continue; + } + + /* restrict blit to size of actually rendered area */ + if (box.x2 - box.x1 > srcWidth) + box.x2 = srcWidth + box.x1; + if (box.y2 - box.y1 > srcHeight) + box.y2 = srcHeight + box.y1; + + DBG(SWAP, "box x1 x2 y1 y2 %d %d %d %d\n", + box.x1, box.x2, box.y1, box.y2); + + sbox.x1 = box.x1 - dPriv->x; + sbox.y1 = box.y1 - dPriv->y; + + assert(box.x1 < box.x2); + assert(box.y1 < box.y2); + + /* XXX this could be done with pipe->surface_copy() */ + BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS); + OUT_BATCH(CMD); + OUT_BATCH(BR13); + OUT_BATCH((box.y1 << 16) | box.x1); + OUT_BATCH((box.y2 << 16) | box.x2); + + OUT_RELOC(intelScreen->front.buffer, + DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE, + DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE, 0); + OUT_BATCH((sbox.y1 << 16) | sbox.x1); + OUT_BATCH((srcpitch * cpp) & 0xffff); + OUT_RELOC(dri_bo(surf->buffer), + DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, + DRM_BO_MASK_MEM | DRM_BO_FLAG_READ, 0); + + ADVANCE_BATCH(); + } + + if (intel->first_swap_fence) + driFenceUnReference(intel->first_swap_fence); + intel->first_swap_fence = intel_batchbuffer_flush(intel->batch); + driFenceReference(intel->first_swap_fence); + } + + UNLOCK_HARDWARE(intel); + + if (intel->lastStamp != dPriv->lastStamp) { + intelUpdateWindowSize(dPriv); + intel->lastStamp = dPriv->lastStamp; + } +} + + + +/** + * This will be called whenever the currently bound window is moved/resized. + */ +void +intelUpdateWindowSize(__DRIdrawablePrivate *dPriv) +{ + struct intel_framebuffer *intelfb = intel_framebuffer(dPriv); + assert(intelfb->stfb); + st_resize_framebuffer(intelfb->stfb, dPriv->w, dPriv->h); +} + + + +void +intelSwapBuffers(__DRIdrawablePrivate * dPriv) +{ + struct intel_framebuffer *intel_fb = intel_framebuffer(dPriv); + struct pipe_surface *back_surf; + + assert(intel_fb); + assert(intel_fb->stfb); + + back_surf = st_get_framebuffer_surface(intel_fb->stfb, + ST_SURFACE_BACK_LEFT); + if (back_surf) { + st_notify_swapbuffers(intel_fb->stfb); + intelDisplaySurface(dPriv, back_surf, NULL); + st_notify_swapbuffers_complete(intel_fb->stfb); + } +} + + +/** + * Called via glXCopySubBufferMESA() to copy a subrect of the back + * buffer to the front buffer/screen. + */ +void +intelCopySubBuffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h) +{ + struct intel_framebuffer *intel_fb = intel_framebuffer(dPriv); + struct pipe_surface *back_surf; + + assert(intel_fb); + assert(intel_fb->stfb); + + back_surf = st_get_framebuffer_surface(intel_fb->stfb, + ST_SURFACE_BACK_LEFT); + if (back_surf) { + drm_clip_rect_t rect; + rect.x1 = x; + rect.y1 = y; + rect.x2 = w; + rect.y2 = h; + + st_notify_swapbuffers(intel_fb->stfb); + intelDisplaySurface(dPriv, back_surf, &rect); + } +} diff --git a/src/gallium/winsys/dri/intel/intel_swapbuffers.h b/src/gallium/winsys/dri/intel/intel_swapbuffers.h new file mode 100644 index 00000000000..7ae5fd15a5f --- /dev/null +++ b/src/gallium/winsys/dri/intel/intel_swapbuffers.h @@ -0,0 +1,47 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef INTEL_SWAPBUFFERS_H +#define INTEL_SWAPBUFFERS_H + + +struct pipe_surface; + + +extern void intelDisplaySurface(__DRIdrawablePrivate * dPriv, + struct pipe_surface *surf, + const drm_clip_rect_t * rect); + +extern void intelSwapBuffers(__DRIdrawablePrivate * dPriv); + +extern void intelCopySubBuffer(__DRIdrawablePrivate * dPriv, + int x, int y, int w, int h); + +extern void intelUpdateWindowSize(__DRIdrawablePrivate *dPriv); + + +#endif /* INTEL_SWAPBUFFERS_H */ diff --git a/src/gallium/winsys/dri/intel/intel_winsys.h b/src/gallium/winsys/dri/intel/intel_winsys.h new file mode 100644 index 00000000000..ffc40782be7 --- /dev/null +++ b/src/gallium/winsys/dri/intel/intel_winsys.h @@ -0,0 +1,73 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef INTEL_WINSYS_H +#define INTEL_WINSYS_H + +#include "pipe/p_state.h" + +struct intel_context; +struct pipe_context; +struct pipe_winsys; +struct pipe_buffer; +struct _DriBufferObject; + +struct pipe_winsys * +intel_create_pipe_winsys( int fd ); + +void +intel_destroy_pipe_winsys( struct pipe_winsys *winsys ); + +struct pipe_context * +intel_create_softpipe( struct intel_context *intel, + struct pipe_winsys *winsys ); + +struct pipe_context * +intel_create_i915simple( struct intel_context *intel, + struct pipe_winsys *winsys ); + + +struct intel_buffer { + struct pipe_buffer base; + struct _DriBufferObject *driBO; +}; + +static INLINE struct intel_buffer * +intel_buffer( struct pipe_buffer *buf ) +{ + return (struct intel_buffer *)buf; +} + +static INLINE struct _DriBufferObject * +dri_bo( struct pipe_buffer *buf ) +{ + return intel_buffer(buf)->driBO; +} + + + +#endif diff --git a/src/gallium/winsys/dri/intel/intel_winsys_i915.c b/src/gallium/winsys/dri/intel/intel_winsys_i915.c new file mode 100644 index 00000000000..1ba6a9e1b25 --- /dev/null +++ b/src/gallium/winsys/dri/intel/intel_winsys_i915.c @@ -0,0 +1,154 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * + **************************************************************************/ +/* + * Authors: Keith Whitwell <keithw-at-tungstengraphics-dot-com> + */ + +#include <stdlib.h> +#include <xf86drm.h> +#include "dri_bufpool.h" +#include "dri_bufmgr.h" + +#include "intel_context.h" +#include "intel_batchbuffer.h" +#include "intel_winsys.h" + +#include "pipe/p_util.h" +#include "pipe/i915simple/i915_winsys.h" + + +struct intel_i915_winsys { + struct i915_winsys winsys; /**< batch buffer funcs */ + struct intel_context *intel; +}; + + +/* Turn a i915simple winsys into an intel/i915simple winsys: + */ +static inline struct intel_i915_winsys * +intel_i915_winsys( struct i915_winsys *sws ) +{ + return (struct intel_i915_winsys *)sws; +} + + +/* Simple batchbuffer interface: + */ + +static unsigned *intel_i915_batch_start( struct i915_winsys *sws, + unsigned dwords, + unsigned relocs ) +{ + struct intel_context *intel = intel_i915_winsys(sws)->intel; + + /* XXX: check relocs. + */ + if (intel_batchbuffer_space( intel->batch ) >= dwords * 4) { + /* XXX: Hmm, the driver can't really do much with this pointer: + */ + return (unsigned *)intel->batch->ptr; + } + else + return NULL; +} + +static void intel_i915_batch_dword( struct i915_winsys *sws, + unsigned dword ) +{ + struct intel_context *intel = intel_i915_winsys(sws)->intel; + intel_batchbuffer_emit_dword( intel->batch, dword ); +} + +static void intel_i915_batch_reloc( struct i915_winsys *sws, + struct pipe_buffer *buf, + unsigned access_flags, + unsigned delta ) +{ + struct intel_context *intel = intel_i915_winsys(sws)->intel; + unsigned flags = DRM_BO_FLAG_MEM_TT; + unsigned mask = DRM_BO_MASK_MEM; + + if (access_flags & I915_BUFFER_ACCESS_WRITE) { + flags |= DRM_BO_FLAG_WRITE; + mask |= DRM_BO_FLAG_WRITE; + } + + if (access_flags & I915_BUFFER_ACCESS_READ) { + flags |= DRM_BO_FLAG_READ; + mask |= DRM_BO_FLAG_READ; + } + + intel_batchbuffer_emit_reloc( intel->batch, + dri_bo( buf ), + flags, mask, + delta ); +} + + + +static void intel_i915_batch_flush( struct i915_winsys *sws ) +{ + struct intel_context *intel = intel_i915_winsys(sws)->intel; + + intel_batchbuffer_flush( intel->batch ); +// if (0) intel_i915_batch_wait_idle( sws ); +} + + +static void intel_i915_batch_finish( struct i915_winsys *sws ) +{ + struct intel_context *intel = intel_i915_winsys(sws)->intel; + intel_batchbuffer_finish( intel->batch ); +} + + +/** + * Create i915 hardware rendering context. + */ +struct pipe_context * +intel_create_i915simple( struct intel_context *intel, + struct pipe_winsys *winsys ) +{ + struct intel_i915_winsys *iws = CALLOC_STRUCT( intel_i915_winsys ); + + /* Fill in this struct with callbacks that i915simple will need to + * communicate with the window system, buffer manager, etc. + */ + iws->winsys.batch_start = intel_i915_batch_start; + iws->winsys.batch_dword = intel_i915_batch_dword; + iws->winsys.batch_reloc = intel_i915_batch_reloc; + iws->winsys.batch_flush = intel_i915_batch_flush; + iws->winsys.batch_finish = intel_i915_batch_finish; + iws->intel = intel; + + /* Create the i915simple context: + */ + return i915_create( winsys, + &iws->winsys, + intel->intelScreen->deviceID ); +} diff --git a/src/gallium/winsys/dri/intel/intel_winsys_pipe.c b/src/gallium/winsys/dri/intel/intel_winsys_pipe.c new file mode 100644 index 00000000000..789a386500a --- /dev/null +++ b/src/gallium/winsys/dri/intel/intel_winsys_pipe.c @@ -0,0 +1,302 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * + **************************************************************************/ +/* + * Authors: Keith Whitwell <keithw-at-tungstengraphics-dot-com> + */ + +#include <stdlib.h> +#include <xf86drm.h> +#include "dri_bufpool.h" +#include "dri_bufmgr.h" + +#include "intel_context.h" +#include "intel_winsys.h" +#include "intel_swapbuffers.h" +#include "intel_batchbuffer.h" + +#include "pipe/p_winsys.h" +#include "pipe/p_defines.h" +#include "pipe/p_state.h" +#include "pipe/p_util.h" +#include "pipe/p_inlines.h" + + + +struct intel_pipe_winsys { + struct pipe_winsys winsys; + struct _DriBufferPool *regionPool; +}; + + + +/* Turn a pipe winsys into an intel/pipe winsys: + */ +static inline struct intel_pipe_winsys * +intel_pipe_winsys( struct pipe_winsys *winsys ) +{ + return (struct intel_pipe_winsys *)winsys; +} + + +/* Most callbacks map direcly onto dri_bufmgr operations: + */ +static void *intel_buffer_map(struct pipe_winsys *winsys, + struct pipe_buffer *buf, + unsigned flags ) +{ + unsigned drm_flags = 0; + + if (flags & PIPE_BUFFER_USAGE_CPU_WRITE) + drm_flags |= DRM_BO_FLAG_WRITE; + + if (flags & PIPE_BUFFER_USAGE_CPU_READ) + drm_flags |= DRM_BO_FLAG_READ; + + return driBOMap( dri_bo(buf), drm_flags, 0 ); +} + +static void intel_buffer_unmap(struct pipe_winsys *winsys, + struct pipe_buffer *buf) +{ + driBOUnmap( dri_bo(buf) ); +} + + +static void +intel_buffer_destroy(struct pipe_winsys *winsys, + struct pipe_buffer *buf) +{ + driBOUnReference( dri_bo(buf) ); +} + + +/* Pipe has no concept of pools. We choose the tex/region pool + * for all buffers. + * Grabs the hardware lock! + */ +static struct pipe_buffer * +intel_buffer_create(struct pipe_winsys *winsys, + unsigned alignment, + unsigned usage, + unsigned size ) +{ + struct intel_buffer *buffer = CALLOC_STRUCT( intel_buffer ); + struct intel_pipe_winsys *iws = intel_pipe_winsys(winsys); + unsigned flags = 0; + + buffer->base.refcount = 1; + buffer->base.alignment = alignment; + buffer->base.usage = usage; + buffer->base.size = size; + + if (usage & (PIPE_BUFFER_USAGE_VERTEX /*| IWS_BUFFER_USAGE_LOCAL*/)) { + flags |= DRM_BO_FLAG_MEM_LOCAL | DRM_BO_FLAG_CACHED; + } else { + flags |= DRM_BO_FLAG_MEM_VRAM | DRM_BO_FLAG_MEM_TT; + } + + if (usage & PIPE_BUFFER_USAGE_GPU_READ) + flags |= DRM_BO_FLAG_READ; + + if (usage & PIPE_BUFFER_USAGE_GPU_WRITE) + flags |= DRM_BO_FLAG_WRITE; + + /* drm complains if we don't set any read/write flags. + */ + if ((flags & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE)) == 0) + flags |= DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE; + +#if 0 + if (flags & IWS_BUFFER_USAGE_EXE) + flags |= DRM_BO_FLAG_EXE; + + if (usage & IWS_BUFFER_USAGE_CACHED) + flags |= DRM_BO_FLAG_CACHED; +#endif + + driGenBuffers( iws->regionPool, + "pipe buffer", 1, &buffer->driBO, alignment, flags, 0 ); + + driBOData( buffer->driBO, size, NULL, 0 ); + + return &buffer->base; +} + + +static struct pipe_buffer * +intel_user_buffer_create(struct pipe_winsys *winsys, void *ptr, unsigned bytes) +{ + struct intel_buffer *buffer = CALLOC_STRUCT( intel_buffer ); + struct intel_pipe_winsys *iws = intel_pipe_winsys(winsys); + + driGenUserBuffer( iws->regionPool, + "pipe user buffer", &buffer->driBO, ptr, bytes); + + return &buffer->base; +} + + +/* The state tracker (should!) keep track of whether the fake + * frontbuffer has been touched by any rendering since the last time + * we copied its contents to the real frontbuffer. Our task is easy: + */ +static void +intel_flush_frontbuffer( struct pipe_winsys *winsys, + struct pipe_surface *surf, + void *context_private) +{ + struct intel_context *intel = (struct intel_context *) context_private; + __DRIdrawablePrivate *dPriv = intel->driDrawable; + + intelDisplaySurface(dPriv, surf, NULL); +} + + +static struct pipe_surface * +intel_i915_surface_alloc(struct pipe_winsys *winsys) +{ + struct pipe_surface *surf = CALLOC_STRUCT(pipe_surface); + if (surf) { + surf->refcount = 1; + surf->winsys = winsys; + } + return surf; +} + + +/** + * Round n up to next multiple. + */ +static INLINE unsigned +round_up(unsigned n, unsigned multiple) +{ + return (n + multiple - 1) & ~(multiple - 1); +} + +/** + * Copied from xm_winsys.c + */ +static int +intel_i915_surface_alloc_storage(struct pipe_winsys *winsys, + struct pipe_surface *surf, + unsigned width, unsigned height, + enum pipe_format format, + unsigned flags) +{ + const unsigned alignment = 64; + int ret; + + surf->width = width; + surf->height = height; + surf->format = format; + surf->cpp = pf_get_size(format); + surf->pitch = round_up(width, alignment / surf->cpp); + + assert(!surf->buffer); + surf->buffer = winsys->buffer_create(winsys, alignment, + PIPE_BUFFER_USAGE_PIXEL, + surf->pitch * surf->cpp * height); + if(!surf->buffer) + return -1; + + return 0; +} + + +static void +intel_i915_surface_release(struct pipe_winsys *winsys, struct pipe_surface **s) +{ + struct pipe_surface *surf = *s; + surf->refcount--; + if (surf->refcount == 0) { + if (surf->buffer) + pipe_buffer_reference(winsys, &surf->buffer, NULL); + free(surf); + } + *s = NULL; +} + + + +static void +intel_printf( struct pipe_winsys *winsys, const char *fmtString, ... ) +{ + va_list args; + va_start( args, fmtString ); + vfprintf(stderr, fmtString, args); + va_end( args ); +} + +static const char * +intel_get_name( struct pipe_winsys *winsys ) +{ + return "Intel/DRI/ttm"; +} + + +struct pipe_winsys * +intel_create_pipe_winsys( int fd ) +{ + struct intel_pipe_winsys *iws = CALLOC_STRUCT( intel_pipe_winsys ); + + /* Fill in this struct with callbacks that pipe will need to + * communicate with the window system, buffer manager, etc. + * + * Pipe would be happy with a malloc based memory manager, but + * the SwapBuffers implementation in this winsys driver requires + * that rendering be done to an appropriate _DriBufferObject. + */ + iws->winsys.buffer_create = intel_buffer_create; + iws->winsys.user_buffer_create = intel_user_buffer_create; + iws->winsys.buffer_map = intel_buffer_map; + iws->winsys.buffer_unmap = intel_buffer_unmap; + iws->winsys.buffer_destroy = intel_buffer_destroy; + iws->winsys.flush_frontbuffer = intel_flush_frontbuffer; + iws->winsys.printf = intel_printf; + iws->winsys.get_name = intel_get_name; + iws->winsys.surface_alloc = intel_i915_surface_alloc; + iws->winsys.surface_alloc_storage = intel_i915_surface_alloc_storage; + iws->winsys.surface_release = intel_i915_surface_release; + + if (fd) + iws->regionPool = driDRMPoolInit(fd); + + return &iws->winsys; +} + + +void +intel_destroy_pipe_winsys( struct pipe_winsys *winsys ) +{ + struct intel_pipe_winsys *iws = intel_pipe_winsys(winsys); + if (iws->regionPool) { + driPoolTakeDown(iws->regionPool); + } + free(iws); +} + diff --git a/src/gallium/winsys/dri/intel/intel_winsys_softpipe.c b/src/gallium/winsys/dri/intel/intel_winsys_softpipe.c new file mode 100644 index 00000000000..cec3437831c --- /dev/null +++ b/src/gallium/winsys/dri/intel/intel_winsys_softpipe.c @@ -0,0 +1,81 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * + **************************************************************************/ +/* + * Authors: Keith Whitwell <keithw-at-tungstengraphics-dot-com> + */ + +#include "intel_context.h" +#include "intel_winsys.h" +#include "pipe/p_defines.h" +#include "pipe/p_util.h" +#include "pipe/p_format.h" +#include "pipe/softpipe/sp_winsys.h" + + +struct intel_softpipe_winsys { + struct softpipe_winsys sws; + struct intel_context *intel; +}; + +/** + * Return list of surface formats supported by this driver. + */ +static boolean +intel_is_format_supported(struct softpipe_winsys *sws, + enum pipe_format format) +{ + switch(format) { + case PIPE_FORMAT_A8R8G8B8_UNORM: + case PIPE_FORMAT_R5G6B5_UNORM: + case PIPE_FORMAT_S8Z24_UNORM: + return TRUE; + default: + return FALSE; + } +} + + +/** + * Create rendering context which uses software rendering. + */ +struct pipe_context * +intel_create_softpipe( struct intel_context *intel, + struct pipe_winsys *winsys ) +{ + struct intel_softpipe_winsys *isws = CALLOC_STRUCT( intel_softpipe_winsys ); + + /* Fill in this struct with callbacks that softpipe will need to + * communicate with the window system, buffer manager, etc. + */ + isws->sws.is_format_supported = intel_is_format_supported; + isws->intel = intel; + + /* Create the softpipe context: + */ + return softpipe_create( winsys, &isws->sws ); +} diff --git a/src/gallium/winsys/dri/intel/server/i830_common.h b/src/gallium/winsys/dri/intel/server/i830_common.h new file mode 100644 index 00000000000..d4d58886ce0 --- /dev/null +++ b/src/gallium/winsys/dri/intel/server/i830_common.h @@ -0,0 +1,226 @@ +/************************************************************************** + +Copyright 2001 VA Linux Systems Inc., Fremont, California. +Copyright 2002 Tungsten Graphics Inc., Cedar Park, Texas. + +All Rights Reserved. + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the "Software"), +to deal in the Software without restriction, including without limitation +on the rights to use, copy, modify, merge, publish, distribute, sub +license, and/or sell copies of the Software, and to permit persons to whom +the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice (including the next +paragraph) shall be included in all copies or substantial portions of the +Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL +ATI, VA LINUX SYSTEMS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, +DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +USE OR OTHER DEALINGS IN THE SOFTWARE. + +**************************************************************************/ + +/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i810/i830_common.h,v 1.1 2002/09/11 00:29:32 dawes Exp $ */ + +#ifndef _I830_COMMON_H_ +#define _I830_COMMON_H_ + + +#define I830_NR_TEX_REGIONS 255 /* maximum due to use of chars for next/prev */ +#define I830_LOG_MIN_TEX_REGION_SIZE 14 + + +/* Driver specific DRM command indices + * NOTE: these are not OS specific, but they are driver specific + */ +#define DRM_I830_INIT 0x00 +#define DRM_I830_FLUSH 0x01 +#define DRM_I830_FLIP 0x02 +#define DRM_I830_BATCHBUFFER 0x03 +#define DRM_I830_IRQ_EMIT 0x04 +#define DRM_I830_IRQ_WAIT 0x05 +#define DRM_I830_GETPARAM 0x06 +#define DRM_I830_SETPARAM 0x07 +#define DRM_I830_ALLOC 0x08 +#define DRM_I830_FREE 0x09 +#define DRM_I830_INIT_HEAP 0x0a +#define DRM_I830_CMDBUFFER 0x0b +#define DRM_I830_DESTROY_HEAP 0x0c +#define DRM_I830_SET_VBLANK_PIPE 0x0d +#define DRM_I830_GET_VBLANK_PIPE 0x0e + +typedef struct { + enum { + I830_INIT_DMA = 0x01, + I830_CLEANUP_DMA = 0x02, + I830_RESUME_DMA = 0x03 + } func; + unsigned int mmio_offset; + int sarea_priv_offset; + unsigned int ring_start; + unsigned int ring_end; + unsigned int ring_size; + unsigned int front_offset; + unsigned int back_offset; + unsigned int depth_offset; + unsigned int w; + unsigned int h; + unsigned int pitch; + unsigned int pitch_bits; + unsigned int back_pitch; + unsigned int depth_pitch; + unsigned int cpp; + unsigned int chipset; +} drmI830Init; + +typedef struct { + drmTextureRegion texList[I830_NR_TEX_REGIONS+1]; + int last_upload; /* last time texture was uploaded */ + int last_enqueue; /* last time a buffer was enqueued */ + int last_dispatch; /* age of the most recently dispatched buffer */ + int ctxOwner; /* last context to upload state */ + int texAge; + int pf_enabled; /* is pageflipping allowed? */ + int pf_active; + int pf_current_page; /* which buffer is being displayed? */ + int perf_boxes; /* performance boxes to be displayed */ + int width, height; /* screen size in pixels */ + + drm_handle_t front_handle; + int front_offset; + int front_size; + + drm_handle_t back_handle; + int back_offset; + int back_size; + + drm_handle_t depth_handle; + int depth_offset; + int depth_size; + + drm_handle_t tex_handle; + int tex_offset; + int tex_size; + int log_tex_granularity; + int pitch; + int rotation; /* 0, 90, 180 or 270 */ + int rotated_offset; + int rotated_size; + int rotated_pitch; + int virtualX, virtualY; + + unsigned int front_tiled; + unsigned int back_tiled; + unsigned int depth_tiled; + unsigned int rotated_tiled; + unsigned int rotated2_tiled; + + int pipeA_x; + int pipeA_y; + int pipeA_w; + int pipeA_h; + int pipeB_x; + int pipeB_y; + int pipeB_w; + int pipeB_h; + + /* Triple buffering */ + drm_handle_t third_handle; + int third_offset; + int third_size; + unsigned int third_tiled; +} drmI830Sarea; + +/* Flags for perf_boxes + */ +#define I830_BOX_RING_EMPTY 0x1 /* populated by kernel */ +#define I830_BOX_FLIP 0x2 /* populated by kernel */ +#define I830_BOX_WAIT 0x4 /* populated by kernel & client */ +#define I830_BOX_TEXTURE_LOAD 0x8 /* populated by kernel */ +#define I830_BOX_LOST_CONTEXT 0x10 /* populated by client */ + + +typedef struct { + int start; /* agp offset */ + int used; /* nr bytes in use */ + int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */ + int DR4; /* window origin for GFX_OP_DRAWRECT_INFO*/ + int num_cliprects; /* mulitpass with multiple cliprects? */ + drm_clip_rect_t *cliprects; /* pointer to userspace cliprects */ +} drmI830BatchBuffer; + +typedef struct { + char *buf; /* agp offset */ + int sz; /* nr bytes in use */ + int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */ + int DR4; /* window origin for GFX_OP_DRAWRECT_INFO*/ + int num_cliprects; /* mulitpass with multiple cliprects? */ + drm_clip_rect_t *cliprects; /* pointer to userspace cliprects */ +} drmI830CmdBuffer; + +typedef struct { + int *irq_seq; +} drmI830IrqEmit; + +typedef struct { + int irq_seq; +} drmI830IrqWait; + +typedef struct { + int param; + int *value; +} drmI830GetParam; + +#define I830_PARAM_IRQ_ACTIVE 1 +#define I830_PARAM_ALLOW_BATCHBUFFER 2 + +typedef struct { + int param; + int value; +} drmI830SetParam; + +#define I830_SETPARAM_USE_MI_BATCHBUFFER_START 1 +#define I830_SETPARAM_TEX_LRU_LOG_GRANULARITY 2 +#define I830_SETPARAM_ALLOW_BATCHBUFFER 3 + + +/* A memory manager for regions of shared memory: + */ +#define I830_MEM_REGION_AGP 1 + +typedef struct { + int region; + int alignment; + int size; + int *region_offset; /* offset from start of fb or agp */ +} drmI830MemAlloc; + +typedef struct { + int region; + int region_offset; +} drmI830MemFree; + +typedef struct { + int region; + int size; + int start; +} drmI830MemInitHeap; + +typedef struct { + int region; +} drmI830MemDestroyHeap; + +#define DRM_I830_VBLANK_PIPE_A 1 +#define DRM_I830_VBLANK_PIPE_B 2 + +typedef struct { + int pipe; +} drmI830VBlankPipe; + +#endif /* _I830_DRM_H_ */ diff --git a/src/gallium/winsys/dri/intel/server/i830_dri.h b/src/gallium/winsys/dri/intel/server/i830_dri.h new file mode 100644 index 00000000000..c2a3af8cbf7 --- /dev/null +++ b/src/gallium/winsys/dri/intel/server/i830_dri.h @@ -0,0 +1,63 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i810/i830_dri.h,v 1.4 2002/10/30 12:52:18 alanh Exp $ */ + +#ifndef _I830_DRI_H +#define _I830_DRI_H + +#include "xf86drm.h" +#include "i830_common.h" + +#define I830_MAX_DRAWABLES 256 + +#define I830_MAJOR_VERSION 1 +#define I830_MINOR_VERSION 7 +#define I830_PATCHLEVEL 2 + +#define I830_REG_SIZE 0x80000 + +typedef struct _I830DRIRec { + drm_handle_t regs; + drmSize regsSize; + + drmSize unused1; /* backbufferSize */ + drm_handle_t unused2; /* backbuffer */ + + drmSize unused3; /* depthbufferSize */ + drm_handle_t unused4; /* depthbuffer */ + + drmSize unused5; /* rotatedSize */ + drm_handle_t unused6; /* rotatedbuffer */ + + drm_handle_t unused7; /* textures */ + int unused8; /* textureSize */ + + drm_handle_t unused9; /* agp_buffers */ + drmSize unused10; /* agp_buf_size */ + + int deviceID; + int width; + int height; + int mem; + int cpp; + int bitsPerPixel; + + int unused11[8]; /* was front/back/depth/rotated offset/pitch */ + + int unused12; /* logTextureGranularity */ + int unused13; /* textureOffset */ + + int irq; + int sarea_priv_offset; +} I830DRIRec, *I830DRIPtr; + +typedef struct { + /* Nothing here yet */ + int dummy; +} I830ConfigPrivRec, *I830ConfigPrivPtr; + +typedef struct { + /* Nothing here yet */ + int dummy; +} I830DRIContextRec, *I830DRIContextPtr; + + +#endif diff --git a/src/gallium/winsys/dri/intel/server/intel.h b/src/gallium/winsys/dri/intel/server/intel.h new file mode 100644 index 00000000000..6ea72499c1c --- /dev/null +++ b/src/gallium/winsys/dri/intel/server/intel.h @@ -0,0 +1,331 @@ +#ifndef _INTEL_H_ +#define _INTEL_H_ + +#include "xf86drm.h" /* drm_handle_t, etc */ + +/* Intel */ +#ifndef PCI_CHIP_I810 +#define PCI_CHIP_I810 0x7121 +#define PCI_CHIP_I810_DC100 0x7123 +#define PCI_CHIP_I810_E 0x7125 +#define PCI_CHIP_I815 0x1132 +#define PCI_CHIP_I810_BRIDGE 0x7120 +#define PCI_CHIP_I810_DC100_BRIDGE 0x7122 +#define PCI_CHIP_I810_E_BRIDGE 0x7124 +#define PCI_CHIP_I815_BRIDGE 0x1130 +#endif + +#define PCI_CHIP_845_G 0x2562 +#define PCI_CHIP_I830_M 0x3577 + +#ifndef PCI_CHIP_I855_GM +#define PCI_CHIP_I855_GM 0x3582 +#define PCI_CHIP_I855_GM_BRIDGE 0x3580 +#endif + +#ifndef PCI_CHIP_I865_G +#define PCI_CHIP_I865_G 0x2572 +#define PCI_CHIP_I865_G_BRIDGE 0x2570 +#endif + +#ifndef PCI_CHIP_I915_G +#define PCI_CHIP_I915_G 0x2582 +#define PCI_CHIP_I915_G_BRIDGE 0x2580 +#endif + +#ifndef PCI_CHIP_I915_GM +#define PCI_CHIP_I915_GM 0x2592 +#define PCI_CHIP_I915_GM_BRIDGE 0x2590 +#endif + +#ifndef PCI_CHIP_E7221_G +#define PCI_CHIP_E7221_G 0x258A +/* Same as I915_G_BRIDGE */ +#define PCI_CHIP_E7221_G_BRIDGE 0x2580 +#endif + +#ifndef PCI_CHIP_I945_G +#define PCI_CHIP_I945_G 0x2772 +#define PCI_CHIP_I945_G_BRIDGE 0x2770 +#endif + +#ifndef PCI_CHIP_I945_GM +#define PCI_CHIP_I945_GM 0x27A2 +#define PCI_CHIP_I945_GM_BRIDGE 0x27A0 +#endif + +#define IS_I810(pI810) (pI810->Chipset == PCI_CHIP_I810 || \ + pI810->Chipset == PCI_CHIP_I810_DC100 || \ + pI810->Chipset == PCI_CHIP_I810_E) +#define IS_I815(pI810) (pI810->Chipset == PCI_CHIP_I815) +#define IS_I830(pI810) (pI810->Chipset == PCI_CHIP_I830_M) +#define IS_845G(pI810) (pI810->Chipset == PCI_CHIP_845_G) +#define IS_I85X(pI810) (pI810->Chipset == PCI_CHIP_I855_GM) +#define IS_I852(pI810) (pI810->Chipset == PCI_CHIP_I855_GM && (pI810->variant == I852_GM || pI810->variant == I852_GME)) +#define IS_I855(pI810) (pI810->Chipset == PCI_CHIP_I855_GM && (pI810->variant == I855_GM || pI810->variant == I855_GME)) +#define IS_I865G(pI810) (pI810->Chipset == PCI_CHIP_I865_G) + +#define IS_I915G(pI810) (pI810->Chipset == PCI_CHIP_I915_G || pI810->Chipset == PCI_CHIP_E7221_G) +#define IS_I915GM(pI810) (pI810->Chipset == PCI_CHIP_I915_GM) +#define IS_I945G(pI810) (pI810->Chipset == PCI_CHIP_I945_G) +#define IS_I945GM(pI810) (pI810->Chipset == PCI_CHIP_I945_GM) +#define IS_I9XX(pI810) (IS_I915G(pI810) || IS_I915GM(pI810) || IS_I945G(pI810) || IS_I945GM(pI810)) + +#define IS_MOBILE(pI810) (IS_I830(pI810) || IS_I85X(pI810) || IS_I915GM(pI810) || IS_I945GM(pI810)) + +#define I830_GMCH_CTRL 0x52 + +#define I830_GMCH_MEM_MASK 0x1 +#define I830_GMCH_MEM_64M 0x1 +#define I830_GMCH_MEM_128M 0 + +#define I830_GMCH_GMS_MASK 0x70 +#define I830_GMCH_GMS_DISABLED 0x00 +#define I830_GMCH_GMS_LOCAL 0x10 +#define I830_GMCH_GMS_STOLEN_512 0x20 +#define I830_GMCH_GMS_STOLEN_1024 0x30 +#define I830_GMCH_GMS_STOLEN_8192 0x40 + +#define I855_GMCH_GMS_MASK (0x7 << 4) +#define I855_GMCH_GMS_DISABLED 0x00 +#define I855_GMCH_GMS_STOLEN_1M (0x1 << 4) +#define I855_GMCH_GMS_STOLEN_4M (0x2 << 4) +#define I855_GMCH_GMS_STOLEN_8M (0x3 << 4) +#define I855_GMCH_GMS_STOLEN_16M (0x4 << 4) +#define I855_GMCH_GMS_STOLEN_32M (0x5 << 4) +#define I915G_GMCH_GMS_STOLEN_48M (0x6 << 4) +#define I915G_GMCH_GMS_STOLEN_64M (0x7 << 4) + +typedef unsigned char Bool; +#define TRUE 1 +#define FALSE 0 + +#define PIPE_NONE 0<<0 +#define PIPE_CRT 1<<0 +#define PIPE_TV 1<<1 +#define PIPE_DFP 1<<2 +#define PIPE_LFP 1<<3 +#define PIPE_CRT2 1<<4 +#define PIPE_TV2 1<<5 +#define PIPE_DFP2 1<<6 +#define PIPE_LFP2 1<<7 + +typedef struct _I830MemPool *I830MemPoolPtr; +typedef struct _I830MemRange *I830MemRangePtr; +typedef struct _I830MemRange { + long Start; + long End; + long Size; + unsigned long Physical; + unsigned long Offset; /* Offset of AGP-allocated portion */ + unsigned long Alignment; + drm_handle_t Key; + unsigned long Pitch; // add pitch + I830MemPoolPtr Pool; +} I830MemRange; + +typedef struct _I830MemPool { + I830MemRange Total; + I830MemRange Free; + I830MemRange Fixed; + I830MemRange Allocated; +} I830MemPool; + +typedef struct { + int tail_mask; + I830MemRange mem; + unsigned char *virtual_start; + int head; + int tail; + int space; +} I830RingBuffer; + +typedef struct _I830Rec { + unsigned char *MMIOBase; + unsigned char *FbBase; + int cpp; + uint32_t aper_size; + unsigned int bios_version; + + /* These are set in PreInit and never changed. */ + long FbMapSize; + long TotalVideoRam; + I830MemRange StolenMemory; /* pre-allocated memory */ + long BIOSMemorySize; /* min stolen pool size */ + int BIOSMemSizeLoc; + + /* These change according to what has been allocated. */ + long FreeMemory; + I830MemRange MemoryAperture; + I830MemPool StolenPool; + long allocatedMemory; + + /* Regions allocated either from the above pools, or from agpgart. */ + /* for single and dual head configurations */ + I830MemRange FrontBuffer; + I830MemRange FrontBuffer2; + I830MemRange Scratch; + I830MemRange Scratch2; + + I830RingBuffer *LpRing; + + I830MemRange BackBuffer; + I830MemRange DepthBuffer; + I830MemRange TexMem; + int TexGranularity; + I830MemRange ContextMem; + int drmMinor; + Bool have3DWindows; + + Bool NeedRingBufferLow; + Bool allowPageFlip; + Bool disableTiling; + + int Chipset; + unsigned long LinearAddr; + unsigned long MMIOAddr; + + drmSize registerSize; /**< \brief MMIO register map size */ + drm_handle_t registerHandle; /**< \brief MMIO register map handle */ + // IOADDRESS ioBase; + int irq; /**< \brief IRQ number */ + int GttBound; + + drm_handle_t ring_map; + unsigned int Fence[8]; + +} I830Rec; + +/* + * 12288 is set as the maximum, chosen because it is enough for + * 1920x1440@32bpp with a 2048 pixel line pitch with some to spare. + */ +#define I830_MAXIMUM_VBIOS_MEM 12288 +#define I830_DEFAULT_VIDEOMEM_2D (MB(32) / 1024) +#define I830_DEFAULT_VIDEOMEM_3D (MB(64) / 1024) + +/* Flags for memory allocation function */ +#define FROM_ANYWHERE 0x00000000 +#define FROM_POOL_ONLY 0x00000001 +#define FROM_NEW_ONLY 0x00000002 +#define FROM_MASK 0x0000000f + +#define ALLOCATE_AT_TOP 0x00000010 +#define ALLOCATE_AT_BOTTOM 0x00000020 +#define FORCE_GAPS 0x00000040 + +#define NEED_PHYSICAL_ADDR 0x00000100 +#define ALIGN_BOTH_ENDS 0x00000200 +#define FORCE_LOW 0x00000400 + +#define ALLOC_NO_TILING 0x00001000 +#define ALLOC_INITIAL 0x00002000 + +#define ALLOCATE_DRY_RUN 0x80000000 + +/* Chipset registers for VIDEO BIOS memory RW access */ +#define _855_DRAM_RW_CONTROL 0x58 +#define _845_DRAM_RW_CONTROL 0x90 +#define DRAM_WRITE 0x33330000 + +#define KB(x) ((x) * 1024) +#define MB(x) ((x) * KB(1024)) + +#define GTT_PAGE_SIZE KB(4) +#define ROUND_TO(x, y) (((x) + (y) - 1) / (y) * (y)) +#define ROUND_DOWN_TO(x, y) ((x) / (y) * (y)) +#define ROUND_TO_PAGE(x) ROUND_TO((x), GTT_PAGE_SIZE) +#define ROUND_TO_MB(x) ROUND_TO((x), MB(1)) +#define PRIMARY_RINGBUFFER_SIZE KB(128) + + +/* Ring buffer registers, p277, overview p19 + */ +#define LP_RING 0x2030 +#define HP_RING 0x2040 + +#define RING_TAIL 0x00 +#define TAIL_ADDR 0x000FFFF8 +#define I830_TAIL_MASK 0x001FFFF8 + +#define RING_HEAD 0x04 +#define HEAD_WRAP_COUNT 0xFFE00000 +#define HEAD_WRAP_ONE 0x00200000 +#define HEAD_ADDR 0x001FFFFC +#define I830_HEAD_MASK 0x001FFFFC + +#define RING_START 0x08 +#define START_ADDR 0x03FFFFF8 +#define I830_RING_START_MASK 0xFFFFF000 + +#define RING_LEN 0x0C +#define RING_NR_PAGES 0x001FF000 +#define I830_RING_NR_PAGES 0x001FF000 +#define RING_REPORT_MASK 0x00000006 +#define RING_REPORT_64K 0x00000002 +#define RING_REPORT_128K 0x00000004 +#define RING_NO_REPORT 0x00000000 +#define RING_VALID_MASK 0x00000001 +#define RING_VALID 0x00000001 +#define RING_INVALID 0x00000000 + + +/* Fence/Tiling ranges [0..7] + */ +#define FENCE 0x2000 +#define FENCE_NR 8 + +#define I915G_FENCE_START_MASK 0x0ff00000 + +#define I830_FENCE_START_MASK 0x07f80000 + +#define FENCE_START_MASK 0x03F80000 +#define FENCE_X_MAJOR 0x00000000 +#define FENCE_Y_MAJOR 0x00001000 +#define FENCE_SIZE_MASK 0x00000700 +#define FENCE_SIZE_512K 0x00000000 +#define FENCE_SIZE_1M 0x00000100 +#define FENCE_SIZE_2M 0x00000200 +#define FENCE_SIZE_4M 0x00000300 +#define FENCE_SIZE_8M 0x00000400 +#define FENCE_SIZE_16M 0x00000500 +#define FENCE_SIZE_32M 0x00000600 +#define FENCE_SIZE_64M 0x00000700 +#define I915G_FENCE_SIZE_1M 0x00000000 +#define I915G_FENCE_SIZE_2M 0x00000100 +#define I915G_FENCE_SIZE_4M 0x00000200 +#define I915G_FENCE_SIZE_8M 0x00000300 +#define I915G_FENCE_SIZE_16M 0x00000400 +#define I915G_FENCE_SIZE_32M 0x00000500 +#define I915G_FENCE_SIZE_64M 0x00000600 +#define I915G_FENCE_SIZE_128M 0x00000700 +#define FENCE_PITCH_1 0x00000000 +#define FENCE_PITCH_2 0x00000010 +#define FENCE_PITCH_4 0x00000020 +#define FENCE_PITCH_8 0x00000030 +#define FENCE_PITCH_16 0x00000040 +#define FENCE_PITCH_32 0x00000050 +#define FENCE_PITCH_64 0x00000060 +#define FENCE_VALID 0x00000001 + +#include <mmio.h> + +# define MMIO_IN8(base, offset) \ + *(volatile unsigned char *)(((unsigned char*)(base)) + (offset)) +# define MMIO_IN32(base, offset) \ + read_MMIO_LE32(base, offset) +# define MMIO_OUT8(base, offset, val) \ + *(volatile unsigned char *)(((unsigned char*)(base)) + (offset)) = (val) +# define MMIO_OUT32(base, offset, val) \ + *(volatile unsigned int *)(void *)(((unsigned char*)(base)) + (offset)) = CPU_TO_LE32(val) + + + /* Memory mapped register access macros */ +#define INREG8(addr) MMIO_IN8(MMIO, addr) +#define INREG(addr) MMIO_IN32(MMIO, addr) +#define OUTREG8(addr, val) MMIO_OUT8(MMIO, addr, val) +#define OUTREG(addr, val) MMIO_OUT32(MMIO, addr, val) + +#define DSPABASE 0x70184 + +#endif diff --git a/src/gallium/winsys/dri/intel/server/intel_dri.c b/src/gallium/winsys/dri/intel/server/intel_dri.c new file mode 100644 index 00000000000..e49c4214ad4 --- /dev/null +++ b/src/gallium/winsys/dri/intel/server/intel_dri.c @@ -0,0 +1,1306 @@ +/** + * \file server/intel_dri.c + * \brief File to perform the device-specific initialization tasks typically + * done in the X server. + * + * Here they are converted to run in the client (or perhaps a standalone + * process), and to work with the frame buffer device rather than the X + * server infrastructure. + * + * Copyright (C) 2006 Dave Airlie (airlied@linux.ie) + + Permission is hereby granted, free of charge, to any person obtaining a + copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sub license, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice (including the + next paragraph) shall be included in all copies or substantial portions + of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND/OR THEIR SUPPLIERS BE LIABLE FOR + ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <unistd.h> + +#include "driver.h" +#include "drm.h" + +#include "intel.h" +#include "i830_dri.h" + +#include "memops.h" +#include "pciaccess.h" + +static size_t drm_page_size; +static int nextTile = 0; +#define xf86DrvMsg(...) do {} while(0) + +static const int pitches[] = { + 128 * 8, + 128 * 16, + 128 * 32, + 128 * 64, + 0 +}; + +static Bool I830DRIDoMappings(DRIDriverContext *ctx, I830Rec *pI830, drmI830Sarea *sarea); + +static unsigned long +GetBestTileAlignment(unsigned long size) +{ + unsigned long i; + + for (i = KB(512); i < size; i <<= 1) + ; + + if (i > MB(64)) + i = MB(64); + + return i; +} + +static void SetFenceRegs(const DRIDriverContext *ctx, I830Rec *pI830) +{ + int i; + unsigned char *MMIO = ctx->MMIOAddress; + + for (i = 0; i < 8; i++) { + OUTREG(FENCE + i * 4, pI830->Fence[i]); + // if (I810_DEBUG & DEBUG_VERBOSE_VGA) + fprintf(stderr,"Fence Register : %x\n", pI830->Fence[i]); + } +} + +/* Tiled memory is good... really, really good... + * + * Need to make it less likely that we miss out on this - probably + * need to move the frontbuffer away from the 'guarenteed' alignment + * of the first memory segment, or perhaps allocate a discontigous + * framebuffer to get more alignment 'sweet spots'. + */ +static void +SetFence(const DRIDriverContext *ctx, I830Rec *pI830, + int nr, unsigned int start, unsigned int pitch, + unsigned int size) +{ + unsigned int val; + unsigned int fence_mask = 0; + unsigned int fence_pitch; + + if (nr < 0 || nr > 7) { + fprintf(stderr, + "SetFence: fence %d out of range\n",nr); + return; + } + + pI830->Fence[nr] = 0; + + if (IS_I9XX(pI830)) + fence_mask = ~I915G_FENCE_START_MASK; + else + fence_mask = ~I830_FENCE_START_MASK; + + if (start & fence_mask) { + fprintf(stderr, + "SetFence: %d: start (0x%08x) is not %s aligned\n", + nr, start, (IS_I9XX(pI830)) ? "1MB" : "512k"); + return; + } + + if (start % size) { + fprintf(stderr, + "SetFence: %d: start (0x%08x) is not size (%dk) aligned\n", + nr, start, size / 1024); + return; + } + + if (pitch & 127) { + fprintf(stderr, + "SetFence: %d: pitch (%d) not a multiple of 128 bytes\n", + nr, pitch); + return; + } + + val = (start | FENCE_X_MAJOR | FENCE_VALID); + + if (IS_I9XX(pI830)) { + switch (size) { + case MB(1): + val |= I915G_FENCE_SIZE_1M; + break; + case MB(2): + val |= I915G_FENCE_SIZE_2M; + break; + case MB(4): + val |= I915G_FENCE_SIZE_4M; + break; + case MB(8): + val |= I915G_FENCE_SIZE_8M; + break; + case MB(16): + val |= I915G_FENCE_SIZE_16M; + break; + case MB(32): + val |= I915G_FENCE_SIZE_32M; + break; + case MB(64): + val |= I915G_FENCE_SIZE_64M; + break; + default: + fprintf(stderr, + "SetFence: %d: illegal size (%d kByte)\n", nr, size / 1024); + return; + } + } else { + switch (size) { + case KB(512): + val |= FENCE_SIZE_512K; + break; + case MB(1): + val |= FENCE_SIZE_1M; + break; + case MB(2): + val |= FENCE_SIZE_2M; + break; + case MB(4): + val |= FENCE_SIZE_4M; + break; + case MB(8): + val |= FENCE_SIZE_8M; + break; + case MB(16): + val |= FENCE_SIZE_16M; + break; + case MB(32): + val |= FENCE_SIZE_32M; + break; + case MB(64): + val |= FENCE_SIZE_64M; + break; + default: + fprintf(stderr, + "SetFence: %d: illegal size (%d kByte)\n", nr, size / 1024); + return; + } + } + + if (IS_I9XX(pI830)) + fence_pitch = pitch / 512; + else + fence_pitch = pitch / 128; + + switch (fence_pitch) { + case 1: + val |= FENCE_PITCH_1; + break; + case 2: + val |= FENCE_PITCH_2; + break; + case 4: + val |= FENCE_PITCH_4; + break; + case 8: + val |= FENCE_PITCH_8; + break; + case 16: + val |= FENCE_PITCH_16; + break; + case 32: + val |= FENCE_PITCH_32; + break; + case 64: + val |= FENCE_PITCH_64; + break; + default: + fprintf(stderr, + "SetFence: %d: illegal pitch (%d)\n", nr, pitch); + return; + } + + pI830->Fence[nr] = val; +} + +static Bool +MakeTiles(const DRIDriverContext *ctx, I830Rec *pI830, I830MemRange *pMem) +{ + int pitch, ntiles, i; + + pitch = pMem->Pitch * ctx->cpp; + /* + * Simply try to break the region up into at most four pieces of size + * equal to the alignment. + */ + ntiles = ROUND_TO(pMem->Size, pMem->Alignment) / pMem->Alignment; + if (ntiles >= 4) { + return FALSE; + } + + for (i = 0; i < ntiles; i++, nextTile++) { + SetFence(ctx, pI830, nextTile, pMem->Start + i * pMem->Alignment, + pitch, pMem->Alignment); + } + return TRUE; +} + +static void I830SetupMemoryTiling(const DRIDriverContext *ctx, I830Rec *pI830) +{ + int i; + + /* Clear out */ + for (i = 0; i < 8; i++) + pI830->Fence[i] = 0; + + nextTile = 0; + + if (pI830->BackBuffer.Alignment >= KB(512)) { + if (MakeTiles(ctx, pI830, &(pI830->BackBuffer))) { + fprintf(stderr, + "Activating tiled memory for the back buffer.\n"); + } else { + fprintf(stderr, + "MakeTiles failed for the back buffer.\n"); + pI830->allowPageFlip = FALSE; + } + } + + if (pI830->DepthBuffer.Alignment >= KB(512)) { + if (MakeTiles(ctx, pI830, &(pI830->DepthBuffer))) { + fprintf(stderr, + "Activating tiled memory for the depth buffer.\n"); + } else { + fprintf(stderr, + "MakeTiles failed for the depth buffer.\n"); + } + } + + return; +} + +static int I830DetectMemory(const DRIDriverContext *ctx, I830Rec *pI830) +{ + struct pci_device host_bridge, ig_dev; + uint32_t gmch_ctrl; + int memsize = 0; + int range; + uint32_t aper_size; + uint32_t membase2 = 0; + + memset(&host_bridge, 0, sizeof(host_bridge)); + memset(&ig_dev, 0, sizeof(ig_dev)); + + ig_dev.dev = 2; + + pci_device_cfg_read_u32(&host_bridge, &gmch_ctrl, I830_GMCH_CTRL); + + if (IS_I830(pI830) || IS_845G(pI830)) { + if ((gmch_ctrl & I830_GMCH_MEM_MASK) == I830_GMCH_MEM_128M) { + aper_size = 0x80000000; + } else { + aper_size = 0x40000000; + } + } else { + if (IS_I9XX(pI830)) { + int ret; + ret = pci_device_cfg_read_u32(&ig_dev, &membase2, 0x18); + if (membase2 & 0x08000000) + aper_size = 0x8000000; + else + aper_size = 0x10000000; + + fprintf(stderr,"aper size is %08X %08x %d\n", aper_size, membase2, ret); + } else + aper_size = 0x8000000; + } + + pI830->aper_size = aper_size; + + + /* We need to reduce the stolen size, by the GTT and the popup. + * The GTT varying according the the FbMapSize and the popup is 4KB */ + range = (ctx->shared.fbSize / (1024*1024)) + 4; + + if (IS_I85X(pI830) || IS_I865G(pI830) || IS_I9XX(pI830)) { + switch (gmch_ctrl & I830_GMCH_GMS_MASK) { + case I855_GMCH_GMS_STOLEN_1M: + memsize = MB(1) - KB(range); + break; + case I855_GMCH_GMS_STOLEN_4M: + memsize = MB(4) - KB(range); + break; + case I855_GMCH_GMS_STOLEN_8M: + memsize = MB(8) - KB(range); + break; + case I855_GMCH_GMS_STOLEN_16M: + memsize = MB(16) - KB(range); + break; + case I855_GMCH_GMS_STOLEN_32M: + memsize = MB(32) - KB(range); + break; + case I915G_GMCH_GMS_STOLEN_48M: + if (IS_I9XX(pI830)) + memsize = MB(48) - KB(range); + break; + case I915G_GMCH_GMS_STOLEN_64M: + if (IS_I9XX(pI830)) + memsize = MB(64) - KB(range); + break; + } + } else { + switch (gmch_ctrl & I830_GMCH_GMS_MASK) { + case I830_GMCH_GMS_STOLEN_512: + memsize = KB(512) - KB(range); + break; + case I830_GMCH_GMS_STOLEN_1024: + memsize = MB(1) - KB(range); + break; + case I830_GMCH_GMS_STOLEN_8192: + memsize = MB(8) - KB(range); + break; + case I830_GMCH_GMS_LOCAL: + memsize = 0; + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "Local memory found, but won't be used.\n"); + break; + } + } + if (memsize > 0) { + fprintf(stderr, + "detected %d kB stolen memory.\n", memsize / 1024); + } else { + fprintf(stderr, + "no video memory detected.\n"); + } + return memsize; +} + +static int AgpInit(const DRIDriverContext *ctx, I830Rec *info) +{ + unsigned long mode = 0x4; + + if (drmAgpAcquire(ctx->drmFD) < 0) { + fprintf(stderr, "[gart] AGP not available\n"); + return 0; + } + + if (drmAgpEnable(ctx->drmFD, mode) < 0) { + fprintf(stderr, "[gart] AGP not enabled\n"); + drmAgpRelease(ctx->drmFD); + return 0; + } + else + fprintf(stderr, "[gart] AGP enabled at %dx\n", ctx->agpmode); + + return 1; +} + +/* + * Allocate memory from the given pool. Grow the pool if needed and if + * possible. + */ +static unsigned long +AllocFromPool(const DRIDriverContext *ctx, I830Rec *pI830, + I830MemRange *result, I830MemPool *pool, + long size, unsigned long alignment, int flags) +{ + long needed, start, end; + + if (!result || !pool || !size) + return 0; + + /* Calculate how much space is needed. */ + if (alignment <= GTT_PAGE_SIZE) + needed = size; + else { + start = ROUND_TO(pool->Free.Start, alignment); + end = ROUND_TO(start + size, alignment); + needed = end - pool->Free.Start; + } + if (needed > pool->Free.Size) { + return 0; + } + + result->Start = ROUND_TO(pool->Free.Start, alignment); + pool->Free.Start += needed; + result->End = pool->Free.Start; + + pool->Free.Size = pool->Free.End - pool->Free.Start; + result->Size = result->End - result->Start; + result->Pool = pool; + result->Alignment = alignment; + return needed; +} + +static unsigned long AllocFromAGP(const DRIDriverContext *ctx, I830Rec *pI830, long size, unsigned long alignment, I830MemRange *result) +{ + unsigned long start, end; + unsigned long newApStart, newApEnd; + int ret; + if (!result || !size) + return 0; + + if (!alignment) + alignment = 4; + + start = ROUND_TO(pI830->MemoryAperture.Start, alignment); + end = ROUND_TO(start + size, alignment); + newApStart = end; + newApEnd = pI830->MemoryAperture.End; + + ret=drmAgpAlloc(ctx->drmFD, size, 0, &(result->Physical), (drm_handle_t *)&(result->Key)); + + if (ret) + { + fprintf(stderr,"drmAgpAlloc failed %d\n", ret); + return 0; + } + pI830->allocatedMemory += size; + pI830->MemoryAperture.Start = newApStart; + pI830->MemoryAperture.End = newApEnd; + pI830->MemoryAperture.Size = newApEnd - newApStart; + // pI830->FreeMemory -= size; + result->Start = start; + result->End = start + size; + result->Size = size; + result->Offset = start; + result->Alignment = alignment; + result->Pool = NULL; + + return size; +} + +unsigned long +I830AllocVidMem(const DRIDriverContext *ctx, I830Rec *pI830, + I830MemRange *result, I830MemPool *pool, long size, + unsigned long alignment, int flags) +{ + unsigned long ret; + + if (!result) + return 0; + + /* Make sure these are initialised. */ + result->Size = 0; + result->Key = -1; + + if (!size) { + return 0; + } + + if (pool->Free.Size < size) { + ret = AllocFromAGP(ctx, pI830, size, alignment, result); + } + else { + ret = AllocFromPool(ctx, pI830, result, pool, size, alignment, flags); + if (ret == 0) + ret = AllocFromAGP(ctx, pI830, size, alignment, result); + } + return ret; +} + +static Bool BindAgpRange(const DRIDriverContext *ctx, I830MemRange *mem) +{ + if (!mem) + return FALSE; + + if (mem->Key == -1) + return TRUE; + + return !drmAgpBind(ctx->drmFD, mem->Key, mem->Offset); +} + +/* simple memory allocation routines needed */ +/* put ring buffer in low memory */ +/* need to allocate front, back, depth buffers aligned correctly, + allocate ring buffer, +*/ + +/* */ +static Bool +I830AllocateMemory(const DRIDriverContext *ctx, I830Rec *pI830) +{ + unsigned long size, ret; + unsigned long lines, lineSize, align; + + /* allocate ring buffer */ + memset(pI830->LpRing, 0, sizeof(I830RingBuffer)); + pI830->LpRing->mem.Key = -1; + + size = PRIMARY_RINGBUFFER_SIZE; + + ret = I830AllocVidMem(ctx, pI830, &pI830->LpRing->mem, &pI830->StolenPool, size, 0x1000, 0); + + if (ret != size) + { + fprintf(stderr,"unable to allocate ring buffer %ld\n", ret); + return FALSE; + } + + pI830->LpRing->tail_mask = pI830->LpRing->mem.Size - 1; + + + /* allocate front buffer */ + memset(&(pI830->FrontBuffer), 0, sizeof(pI830->FrontBuffer)); + pI830->FrontBuffer.Key = -1; + pI830->FrontBuffer.Pitch = ctx->shared.virtualWidth; + + align = KB(512); + + lineSize = ctx->shared.virtualWidth * ctx->cpp; + lines = (ctx->shared.virtualHeight + 15) / 16 * 16; + size = lineSize * lines; + size = ROUND_TO_PAGE(size); + + align = GetBestTileAlignment(size); + + ret = I830AllocVidMem(ctx, pI830, &pI830->FrontBuffer, &pI830->StolenPool, size, align, 0); + if (ret < size) + { + fprintf(stderr,"unable to allocate front buffer %ld\n", ret); + return FALSE; + } + + memset(&(pI830->BackBuffer), 0, sizeof(pI830->BackBuffer)); + pI830->BackBuffer.Key = -1; + pI830->BackBuffer.Pitch = ctx->shared.virtualWidth; + + ret = I830AllocVidMem(ctx, pI830, &pI830->BackBuffer, &pI830->StolenPool, size, align, 0); + if (ret < size) + { + fprintf(stderr,"unable to allocate back buffer %ld\n", ret); + return FALSE; + } + + memset(&(pI830->DepthBuffer), 0, sizeof(pI830->DepthBuffer)); + pI830->DepthBuffer.Key = -1; + pI830->DepthBuffer.Pitch = ctx->shared.virtualWidth; + + ret = I830AllocVidMem(ctx, pI830, &pI830->DepthBuffer, &pI830->StolenPool, size, align, 0); + if (ret < size) + { + fprintf(stderr,"unable to allocate depth buffer %ld\n", ret); + return FALSE; + } + + memset(&(pI830->ContextMem), 0, sizeof(pI830->ContextMem)); + pI830->ContextMem.Key = -1; + size = KB(32); + + ret = I830AllocVidMem(ctx, pI830, &pI830->ContextMem, &pI830->StolenPool, size, align, 0); + if (ret < size) + { + fprintf(stderr,"unable to allocate context buffer %ld\n", ret); + return FALSE; + } + +#if 0 + memset(&(pI830->TexMem), 0, sizeof(pI830->TexMem)); + pI830->TexMem.Key = -1; + + size = 32768 * 1024; + ret = AllocFromAGP(ctx, pI830, size, align, &pI830->TexMem); + if (ret < size) + { + fprintf(stderr,"unable to allocate texture memory %ld\n", ret); + return FALSE; + } +#endif + + return TRUE; +} + +static Bool +I830BindMemory(const DRIDriverContext *ctx, I830Rec *pI830) +{ + if (!BindAgpRange(ctx, &pI830->LpRing->mem)) + return FALSE; + if (!BindAgpRange(ctx, &pI830->FrontBuffer)) + return FALSE; + if (!BindAgpRange(ctx, &pI830->BackBuffer)) + return FALSE; + if (!BindAgpRange(ctx, &pI830->DepthBuffer)) + return FALSE; + if (!BindAgpRange(ctx, &pI830->ContextMem)) + return FALSE; +#if 0 + if (!BindAgpRange(ctx, &pI830->TexMem)) + return FALSE; +#endif + return TRUE; +} + +static void SetupDRIMM(const DRIDriverContext *ctx, I830Rec *pI830) +{ + unsigned long aperEnd = ROUND_DOWN_TO(pI830->aper_size, GTT_PAGE_SIZE) / GTT_PAGE_SIZE; + unsigned long aperStart = ROUND_TO(pI830->aper_size - KB(32768), GTT_PAGE_SIZE) / GTT_PAGE_SIZE; + + fprintf(stderr, "aper size is %08X\n", ctx->shared.fbSize); + if (drmMMInit(ctx->drmFD, aperStart, aperEnd - aperStart, DRM_BO_MEM_TT)) { + fprintf(stderr, + "DRM MM Initialization Failed\n"); + } else { + fprintf(stderr, + "DRM MM Initialized at offset 0x%lx length %d page\n", aperStart, aperEnd-aperStart); + } + +} + +static Bool +I830CleanupDma(const DRIDriverContext *ctx) +{ + drmI830Init info; + + memset(&info, 0, sizeof(drmI830Init)); + info.func = I830_CLEANUP_DMA; + + if (drmCommandWrite(ctx->drmFD, DRM_I830_INIT, + &info, sizeof(drmI830Init))) { + fprintf(stderr, "I830 Dma Cleanup Failed\n"); + return FALSE; + } + + return TRUE; +} + +static Bool +I830InitDma(const DRIDriverContext *ctx, I830Rec *pI830) +{ + I830RingBuffer *ring = pI830->LpRing; + drmI830Init info; + + memset(&info, 0, sizeof(drmI830Init)); + info.func = I830_INIT_DMA; + + info.ring_start = ring->mem.Start + pI830->LinearAddr; + info.ring_end = ring->mem.End + pI830->LinearAddr; + info.ring_size = ring->mem.Size; + + info.mmio_offset = (unsigned int)ctx->MMIOStart; + + info.sarea_priv_offset = sizeof(drm_sarea_t); + + info.front_offset = pI830->FrontBuffer.Start; + info.back_offset = pI830->BackBuffer.Start; + info.depth_offset = pI830->DepthBuffer.Start; + info.w = ctx->shared.virtualWidth; + info.h = ctx->shared.virtualHeight; + info.pitch = ctx->shared.virtualWidth; + info.back_pitch = pI830->BackBuffer.Pitch; + info.depth_pitch = pI830->DepthBuffer.Pitch; + info.cpp = ctx->cpp; + + if (drmCommandWrite(ctx->drmFD, DRM_I830_INIT, + &info, sizeof(drmI830Init))) { + fprintf(stderr, + "I830 Dma Initialization Failed\n"); + return FALSE; + } + + return TRUE; +} + +static int I830CheckDRMVersion( const DRIDriverContext *ctx, + I830Rec *pI830 ) +{ + drmVersionPtr version; + + version = drmGetVersion(ctx->drmFD); + + if (version) { + int req_minor, req_patch; + + req_minor = 4; + req_patch = 0; + + if (version->version_major != 1 || + version->version_minor < req_minor || + (version->version_minor == req_minor && + version->version_patchlevel < req_patch)) { + /* Incompatible drm version */ + fprintf(stderr, + "[dri] I830DRIScreenInit failed because of a version " + "mismatch.\n" + "[dri] i915.o kernel module version is %d.%d.%d " + "but version 1.%d.%d or newer is needed.\n" + "[dri] Disabling DRI.\n", + version->version_major, + version->version_minor, + version->version_patchlevel, + req_minor, + req_patch); + drmFreeVersion(version); + return 0; + } + + pI830->drmMinor = version->version_minor; + drmFreeVersion(version); + } + return 1; +} + +static void +I830SetRingRegs(const DRIDriverContext *ctx, I830Rec *pI830) +{ + unsigned int itemp; + unsigned char *MMIO = ctx->MMIOAddress; + + OUTREG(LP_RING + RING_LEN, 0); + OUTREG(LP_RING + RING_TAIL, 0); + OUTREG(LP_RING + RING_HEAD, 0); + + if ((long)(pI830->LpRing->mem.Start & I830_RING_START_MASK) != + pI830->LpRing->mem.Start) { + fprintf(stderr, + "I830SetRingRegs: Ring buffer start (%lx) violates its " + "mask (%x)\n", pI830->LpRing->mem.Start, I830_RING_START_MASK); + } + /* Don't care about the old value. Reserved bits must be zero anyway. */ + itemp = pI830->LpRing->mem.Start & I830_RING_START_MASK; + OUTREG(LP_RING + RING_START, itemp); + + if (((pI830->LpRing->mem.Size - 4096) & I830_RING_NR_PAGES) != + pI830->LpRing->mem.Size - 4096) { + fprintf(stderr, + "I830SetRingRegs: Ring buffer size - 4096 (%lx) violates its " + "mask (%x)\n", pI830->LpRing->mem.Size - 4096, + I830_RING_NR_PAGES); + } + /* Don't care about the old value. Reserved bits must be zero anyway. */ + itemp = (pI830->LpRing->mem.Size - 4096) & I830_RING_NR_PAGES; + itemp |= (RING_NO_REPORT | RING_VALID); + OUTREG(LP_RING + RING_LEN, itemp); + + pI830->LpRing->head = INREG(LP_RING + RING_HEAD) & I830_HEAD_MASK; + pI830->LpRing->tail = INREG(LP_RING + RING_TAIL); + pI830->LpRing->space = pI830->LpRing->head - (pI830->LpRing->tail + 8); + if (pI830->LpRing->space < 0) + pI830->LpRing->space += pI830->LpRing->mem.Size; + + SetFenceRegs(ctx, pI830); + + /* RESET THE DISPLAY PIPE TO POINT TO THE FRONTBUFFER - hacky + hacky hacky */ + OUTREG(DSPABASE, pI830->FrontBuffer.Start + pI830->LinearAddr); + +} + +static Bool +I830SetParam(const DRIDriverContext *ctx, int param, int value) +{ + drmI830SetParam sp; + + memset(&sp, 0, sizeof(sp)); + sp.param = param; + sp.value = value; + + if (drmCommandWrite(ctx->drmFD, DRM_I830_SETPARAM, &sp, sizeof(sp))) { + fprintf(stderr, "I830 SetParam Failed\n"); + return FALSE; + } + + return TRUE; +} + +static Bool +I830DRIMapScreenRegions(DRIDriverContext *ctx, I830Rec *pI830, drmI830Sarea *sarea) +{ + fprintf(stderr, + "[drm] Mapping front buffer\n"); + + if (drmAddMap(ctx->drmFD, + (drm_handle_t)(sarea->front_offset + pI830->LinearAddr), + sarea->front_size, + DRM_FRAME_BUFFER, /*DRM_AGP,*/ + 0, + &sarea->front_handle) < 0) { + fprintf(stderr, + "[drm] drmAddMap(front_handle) failed. Disabling DRI\n"); + return FALSE; + } + ctx->shared.hFrameBuffer = sarea->front_handle; + ctx->shared.fbSize = sarea->front_size; + fprintf(stderr, "[drm] Front Buffer = 0x%08x\n", + sarea->front_handle); + + if (drmAddMap(ctx->drmFD, + (drm_handle_t)(sarea->back_offset), + sarea->back_size, DRM_AGP, 0, + &sarea->back_handle) < 0) { + fprintf(stderr, + "[drm] drmAddMap(back_handle) failed. Disabling DRI\n"); + return FALSE; + } + fprintf(stderr, "[drm] Back Buffer = 0x%08x\n", + sarea->back_handle); + + if (drmAddMap(ctx->drmFD, + (drm_handle_t)sarea->depth_offset, + sarea->depth_size, DRM_AGP, 0, + &sarea->depth_handle) < 0) { + fprintf(stderr, + "[drm] drmAddMap(depth_handle) failed. Disabling DRI\n"); + return FALSE; + } + fprintf(stderr, "[drm] Depth Buffer = 0x%08x\n", + sarea->depth_handle); + +#if 0 + if (drmAddMap(ctx->drmFD, + (drm_handle_t)sarea->tex_offset, + sarea->tex_size, DRM_AGP, 0, + &sarea->tex_handle) < 0) { + fprintf(stderr, + "[drm] drmAddMap(tex_handle) failed. Disabling DRI\n"); + return FALSE; + } + fprintf(stderr, "[drm] textures = 0x%08x\n", + sarea->tex_handle); +#endif + return TRUE; +} + + +static void +I830DRIUnmapScreenRegions(const DRIDriverContext *ctx, I830Rec *pI830, drmI830Sarea *sarea) +{ +#if 1 + if (sarea->front_handle) { + drmRmMap(ctx->drmFD, sarea->front_handle); + sarea->front_handle = 0; + } +#endif + if (sarea->back_handle) { + drmRmMap(ctx->drmFD, sarea->back_handle); + sarea->back_handle = 0; + } + if (sarea->depth_handle) { + drmRmMap(ctx->drmFD, sarea->depth_handle); + sarea->depth_handle = 0; + } + if (sarea->tex_handle) { + drmRmMap(ctx->drmFD, sarea->tex_handle); + sarea->tex_handle = 0; + } +} + +static Bool +I830DRIDoMappings(DRIDriverContext *ctx, I830Rec *pI830, drmI830Sarea *sarea) +{ + if (drmAddMap(ctx->drmFD, + (drm_handle_t)pI830->LpRing->mem.Start, + pI830->LpRing->mem.Size, DRM_AGP, 0, + &pI830->ring_map) < 0) { + fprintf(stderr, + "[drm] drmAddMap(ring_map) failed. Disabling DRI\n"); + return FALSE; + } + fprintf(stderr, "[drm] ring buffer = 0x%08x\n", + pI830->ring_map); + + if (I830InitDma(ctx, pI830) == FALSE) { + return FALSE; + } + + /* init to zero to be safe */ + + I830DRIMapScreenRegions(ctx, pI830, sarea); + SetupDRIMM(ctx, pI830); + + if (ctx->pciDevice != PCI_CHIP_845_G && + ctx->pciDevice != PCI_CHIP_I830_M) { + I830SetParam(ctx, I830_SETPARAM_USE_MI_BATCHBUFFER_START, 1 ); + } + + /* Okay now initialize the dma engine */ + { + pI830->irq = drmGetInterruptFromBusID(ctx->drmFD, + ctx->pciBus, + ctx->pciDevice, + ctx->pciFunc); + + if (drmCtlInstHandler(ctx->drmFD, pI830->irq)) { + fprintf(stderr, + "[drm] failure adding irq handler\n"); + pI830->irq = 0; + return FALSE; + } + else + fprintf(stderr, + "[drm] dma control initialized, using IRQ %d\n", + pI830->irq); + } + + fprintf(stderr, "[dri] visual configs initialized\n"); + + return TRUE; +} + +static Bool +I830ClearScreen(DRIDriverContext *ctx, I830Rec *pI830, drmI830Sarea *sarea) +{ + /* need to drmMap front and back buffers and zero them */ + drmAddress map_addr; + int ret; + + ret = drmMap(ctx->drmFD, + sarea->front_handle, + sarea->front_size, + &map_addr); + + if (ret) + { + fprintf(stderr, "Unable to map front buffer\n"); + return FALSE; + } + + drimemsetio((char *)map_addr, + 0, + sarea->front_size); + drmUnmap(map_addr, sarea->front_size); + + + ret = drmMap(ctx->drmFD, + sarea->back_handle, + sarea->back_size, + &map_addr); + + if (ret) + { + fprintf(stderr, "Unable to map back buffer\n"); + return FALSE; + } + + drimemsetio((char *)map_addr, + 0, + sarea->back_size); + drmUnmap(map_addr, sarea->back_size); + + return TRUE; +} + +static Bool +I830ScreenInit(DRIDriverContext *ctx, I830Rec *pI830) + +{ + I830DRIPtr pI830DRI; + drmI830Sarea *pSAREAPriv; + int err; + + drm_page_size = getpagesize(); + + pI830->registerSize = ctx->MMIOSize; + /* This is a hack for now. We have to have more than a 4k page here + * because of the size of the state. However, the state should be + * in a per-context mapping. This will be added in the Mesa 3.5 port + * of the I830 driver. + */ + ctx->shared.SAREASize = SAREA_MAX; + + /* Note that drmOpen will try to load the kernel module, if needed. */ + ctx->drmFD = drmOpen("i915", NULL ); + if (ctx->drmFD < 0) { + fprintf(stderr, "[drm] drmOpen failed\n"); + return 0; + } + + if ((err = drmSetBusid(ctx->drmFD, ctx->pciBusID)) < 0) { + fprintf(stderr, "[drm] drmSetBusid failed (%d, %s), %s\n", + ctx->drmFD, ctx->pciBusID, strerror(-err)); + return 0; + } + + if (drmAddMap( ctx->drmFD, + 0, + ctx->shared.SAREASize, + DRM_SHM, + DRM_CONTAINS_LOCK, + &ctx->shared.hSAREA) < 0) + { + fprintf(stderr, "[drm] drmAddMap failed\n"); + return 0; + } + + fprintf(stderr, "[drm] added %d byte SAREA at 0x%08x\n", + ctx->shared.SAREASize, ctx->shared.hSAREA); + + if (drmMap( ctx->drmFD, + ctx->shared.hSAREA, + ctx->shared.SAREASize, + (drmAddressPtr)(&ctx->pSAREA)) < 0) + { + fprintf(stderr, "[drm] drmMap failed\n"); + return 0; + + } + + memset(ctx->pSAREA, 0, ctx->shared.SAREASize); + fprintf(stderr, "[drm] mapped SAREA 0x%08x to %p, size %d\n", + ctx->shared.hSAREA, ctx->pSAREA, ctx->shared.SAREASize); + + + if (drmAddMap(ctx->drmFD, + ctx->MMIOStart, + ctx->MMIOSize, + DRM_REGISTERS, + DRM_READ_ONLY, + &pI830->registerHandle) < 0) { + fprintf(stderr, "[drm] drmAddMap mmio failed\n"); + return 0; + } + fprintf(stderr, + "[drm] register handle = 0x%08x\n", pI830->registerHandle); + + + if (!I830CheckDRMVersion(ctx, pI830)) { + return FALSE; + } + + /* Create a 'server' context so we can grab the lock for + * initialization ioctls. + */ + if ((err = drmCreateContext(ctx->drmFD, &ctx->serverContext)) != 0) { + fprintf(stderr, "%s: drmCreateContext failed %d\n", __FUNCTION__, err); + return 0; + } + + DRM_LOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext, 0); + + /* Initialize the SAREA private data structure */ + pSAREAPriv = (drmI830Sarea *)(((char*)ctx->pSAREA) + + sizeof(drm_sarea_t)); + memset(pSAREAPriv, 0, sizeof(*pSAREAPriv)); + + pI830->StolenMemory.Size = I830DetectMemory(ctx, pI830); + pI830->StolenMemory.Start = 0; + pI830->StolenMemory.End = pI830->StolenMemory.Size; + + pI830->MemoryAperture.Start = pI830->StolenMemory.End; + pI830->MemoryAperture.End = KB(40000); + pI830->MemoryAperture.Size = pI830->MemoryAperture.End - pI830->MemoryAperture.Start; + + pI830->StolenPool.Fixed = pI830->StolenMemory; + pI830->StolenPool.Total = pI830->StolenMemory; + pI830->StolenPool.Free = pI830->StolenPool.Total; + pI830->FreeMemory = pI830->StolenPool.Total.Size; + + if (!AgpInit(ctx, pI830)) + return FALSE; + + if (I830AllocateMemory(ctx, pI830) == FALSE) + { + return FALSE; + } + + if (I830BindMemory(ctx, pI830) == FALSE) + { + return FALSE; + } + + pSAREAPriv->rotated_offset = -1; + pSAREAPriv->rotated_size = 0; + pSAREAPriv->rotated_pitch = ctx->shared.virtualWidth; + + pSAREAPriv->front_offset = pI830->FrontBuffer.Start; + pSAREAPriv->front_size = pI830->FrontBuffer.Size; + pSAREAPriv->width = ctx->shared.virtualWidth; + pSAREAPriv->height = ctx->shared.virtualHeight; + pSAREAPriv->pitch = ctx->shared.virtualWidth; + pSAREAPriv->virtualX = ctx->shared.virtualWidth; + pSAREAPriv->virtualY = ctx->shared.virtualHeight; + pSAREAPriv->back_offset = pI830->BackBuffer.Start; + pSAREAPriv->back_size = pI830->BackBuffer.Size; + pSAREAPriv->depth_offset = pI830->DepthBuffer.Start; + pSAREAPriv->depth_size = pI830->DepthBuffer.Size; +#if 0 + pSAREAPriv->tex_offset = pI830->TexMem.Start; + pSAREAPriv->tex_size = pI830->TexMem.Size; +#endif + pSAREAPriv->log_tex_granularity = pI830->TexGranularity; + + ctx->driverClientMsg = malloc(sizeof(I830DRIRec)); + ctx->driverClientMsgSize = sizeof(I830DRIRec); + pI830DRI = (I830DRIPtr)ctx->driverClientMsg; + pI830DRI->deviceID = pI830->Chipset; + pI830DRI->regsSize = I830_REG_SIZE; + pI830DRI->width = ctx->shared.virtualWidth; + pI830DRI->height = ctx->shared.virtualHeight; + pI830DRI->mem = ctx->shared.fbSize; + pI830DRI->cpp = ctx->cpp; + + pI830DRI->bitsPerPixel = ctx->bpp; + pI830DRI->sarea_priv_offset = sizeof(drm_sarea_t); + + err = I830DRIDoMappings(ctx, pI830, pSAREAPriv); + if (err == FALSE) + return FALSE; + + I830SetupMemoryTiling(ctx, pI830); + + /* Quick hack to clear the front & back buffers. Could also use + * the clear ioctl to do this, but would need to setup hw state + * first. + */ + I830ClearScreen(ctx, pI830, pSAREAPriv); + + I830SetRingRegs(ctx, pI830); + + return TRUE; +} + + +/** + * \brief Validate the fbdev mode. + * + * \param ctx display handle. + * + * \return one on success, or zero on failure. + * + * Saves some registers and returns 1. + * + * \sa radeonValidateMode(). + */ +static int i830ValidateMode( const DRIDriverContext *ctx ) +{ + return 1; +} + +/** + * \brief Examine mode returned by fbdev. + * + * \param ctx display handle. + * + * \return one on success, or zero on failure. + * + * Restores registers that fbdev has clobbered and returns 1. + * + * \sa i810ValidateMode(). + */ +static int i830PostValidateMode( const DRIDriverContext *ctx ) +{ + I830Rec *pI830 = ctx->driverPrivate; + + I830SetRingRegs(ctx, pI830); + return 1; +} + + +/** + * \brief Initialize the framebuffer device mode + * + * \param ctx display handle. + * + * \return one on success, or zero on failure. + * + * Fills in \p info with some default values and some information from \p ctx + * and then calls I810ScreenInit() for the screen initialization. + * + * Before exiting clears the framebuffer memory accessing it directly. + */ +static int i830InitFBDev( DRIDriverContext *ctx ) +{ + I830Rec *pI830 = calloc(1, sizeof(I830Rec)); + int i; + + { + int dummy = ctx->shared.virtualWidth; + + switch (ctx->bpp / 8) { + case 1: dummy = (ctx->shared.virtualWidth + 127) & ~127; break; + case 2: dummy = (ctx->shared.virtualWidth + 31) & ~31; break; + case 3: + case 4: dummy = (ctx->shared.virtualWidth + 15) & ~15; break; + } + + ctx->shared.virtualWidth = dummy; + ctx->shared.Width = ctx->shared.virtualWidth; + } + + + for (i = 0; pitches[i] != 0; i++) { + if (pitches[i] >= ctx->shared.virtualWidth) { + ctx->shared.virtualWidth = pitches[i]; + break; + } + } + + ctx->driverPrivate = (void *)pI830; + + pI830->LpRing = calloc(1, sizeof(I830RingBuffer)); + pI830->Chipset = ctx->chipset; + pI830->LinearAddr = ctx->FBStart; + + if (!I830ScreenInit( ctx, pI830 )) + return 0; + + + return 1; +} + + +/** + * \brief The screen is being closed, so clean up any state and free any + * resources used by the DRI. + * + * \param ctx display handle. + * + * Unmaps the SAREA, closes the DRM device file descriptor and frees the driver + * private data. + */ +static void i830HaltFBDev( DRIDriverContext *ctx ) +{ + drmI830Sarea *pSAREAPriv; + I830Rec *pI830 = ctx->driverPrivate; + + if (pI830->irq) { + drmCtlUninstHandler(ctx->drmFD); + pI830->irq = 0; } + + I830CleanupDma(ctx); + + pSAREAPriv = (drmI830Sarea *)(((char*)ctx->pSAREA) + + sizeof(drm_sarea_t)); + + I830DRIUnmapScreenRegions(ctx, pI830, pSAREAPriv); + drmUnmap( ctx->pSAREA, ctx->shared.SAREASize ); + drmClose(ctx->drmFD); + + if (ctx->driverPrivate) { + free(ctx->driverPrivate); + ctx->driverPrivate = 0; + } +} + + +extern void i810NotifyFocus( int ); + +/** + * \brief Exported driver interface for Mini GLX. + * + * \sa DRIDriverRec. + */ +const struct DRIDriverRec __driDriver = { + i830ValidateMode, + i830PostValidateMode, + i830InitFBDev, + i830HaltFBDev, + NULL,//I830EngineShutdown, + NULL, //I830EngineRestore, +#ifndef _EMBEDDED + 0, +#else + i810NotifyFocus, +#endif +}; |