diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_screen_texture.c')
| -rw-r--r-- | src/gallium/drivers/svga/svga_screen_texture.c | 1065 |
1 files changed, 1065 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_screen_texture.c b/src/gallium/drivers/svga/svga_screen_texture.c new file mode 100644 index 00000000000..8472dea04da --- /dev/null +++ b/src/gallium/drivers/svga/svga_screen_texture.c @@ -0,0 +1,1065 @@ +/********************************************************** + * Copyright 2008-2009 VMware, Inc. 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, sublicense, 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 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 + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * 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 "svga_cmd.h" + +#include "pipe/p_state.h" +#include "pipe/p_defines.h" +#include "pipe/p_inlines.h" +#include "pipe/p_thread.h" +#include "util/u_math.h" +#include "util/u_memory.h" + +#include "svga_screen.h" +#include "svga_context.h" +#include "svga_screen_texture.h" +#include "svga_screen_buffer.h" +#include "svga_winsys.h" +#include "svga_debug.h" +#include "svga_screen_buffer.h" + +#include <util/u_string.h> + + +/* XXX: This isn't a real hardware flag, but just a hack for kernel to + * know about primary surfaces. Find a better way to accomplish this. + */ +#define SVGA3D_SURFACE_HINT_SCANOUT (1 << 9) + + +/* + * Helper function and arrays + */ + +SVGA3dSurfaceFormat +svga_translate_format(enum pipe_format format) +{ + switch(format) { + + case PIPE_FORMAT_A8R8G8B8_UNORM: + return SVGA3D_A8R8G8B8; + case PIPE_FORMAT_X8R8G8B8_UNORM: + return SVGA3D_X8R8G8B8; + + /* Required for GL2.1: + */ + case PIPE_FORMAT_A8R8G8B8_SRGB: + return SVGA3D_A8R8G8B8; + + case PIPE_FORMAT_R5G6B5_UNORM: + return SVGA3D_R5G6B5; + case PIPE_FORMAT_A1R5G5B5_UNORM: + return SVGA3D_A1R5G5B5; + case PIPE_FORMAT_A4R4G4B4_UNORM: + return SVGA3D_A4R4G4B4; + + + /* XXX: Doesn't seem to work properly. + case PIPE_FORMAT_Z32_UNORM: + return SVGA3D_Z_D32; + */ + case PIPE_FORMAT_Z16_UNORM: + return SVGA3D_Z_D16; + case PIPE_FORMAT_Z24S8_UNORM: + return SVGA3D_Z_D24S8; + case PIPE_FORMAT_Z24X8_UNORM: + return SVGA3D_Z_D24X8; + + case PIPE_FORMAT_A8_UNORM: + return SVGA3D_ALPHA8; + case PIPE_FORMAT_L8_UNORM: + return SVGA3D_LUMINANCE8; + + case PIPE_FORMAT_DXT1_RGB: + case PIPE_FORMAT_DXT1_RGBA: + return SVGA3D_DXT1; + case PIPE_FORMAT_DXT3_RGBA: + return SVGA3D_DXT3; + case PIPE_FORMAT_DXT5_RGBA: + return SVGA3D_DXT5; + + default: + return SVGA3D_FORMAT_INVALID; + } +} + + +SVGA3dSurfaceFormat +svga_translate_format_render(enum pipe_format format) +{ + switch(format) { + case PIPE_FORMAT_A8R8G8B8_UNORM: + case PIPE_FORMAT_X8R8G8B8_UNORM: + case PIPE_FORMAT_A1R5G5B5_UNORM: + case PIPE_FORMAT_A4R4G4B4_UNORM: + case PIPE_FORMAT_R5G6B5_UNORM: + case PIPE_FORMAT_Z24S8_UNORM: + case PIPE_FORMAT_Z24X8_UNORM: + case PIPE_FORMAT_Z32_UNORM: + case PIPE_FORMAT_Z16_UNORM: + case PIPE_FORMAT_L8_UNORM: + return svga_translate_format(format); + +#if 1 + /* For on host conversion */ + case PIPE_FORMAT_DXT1_RGB: + return SVGA3D_X8R8G8B8; + case PIPE_FORMAT_DXT1_RGBA: + case PIPE_FORMAT_DXT3_RGBA: + case PIPE_FORMAT_DXT5_RGBA: + return SVGA3D_A8R8G8B8; +#endif + + default: + return SVGA3D_FORMAT_INVALID; + } +} + + +static INLINE void +svga_transfer_dma_band(struct svga_transfer *st, + SVGA3dTransferType transfer, + unsigned y, unsigned h, unsigned srcy) +{ + struct svga_texture *texture = svga_texture(st->base.texture); + struct svga_screen *screen = svga_screen(texture->base.screen); + SVGA3dCopyBox box; + enum pipe_error ret; + + SVGA_DBG(DEBUG_DMA, "dma %s sid %p, face %u, (%u, %u, %u) - (%u, %u, %u), %ubpp\n", + transfer == SVGA3D_WRITE_HOST_VRAM ? "to" : "from", + texture->handle, + st->base.face, + st->base.x, + y, + st->base.zslice, + st->base.x + st->base.width, + y + h, + st->base.zslice + 1, + texture->base.block.size*8/(texture->base.block.width*texture->base.block.height)); + + box.x = st->base.x; + box.y = y; + box.z = st->base.zslice; + box.w = st->base.width; + box.h = h; + box.d = 1; + box.srcx = 0; + box.srcy = srcy; + box.srcz = 0; + + pipe_mutex_lock(screen->swc_mutex); + ret = SVGA3D_SurfaceDMA(screen->swc, st, transfer, &box, 1); + if(ret != PIPE_OK) { + screen->swc->flush(screen->swc, NULL); + ret = SVGA3D_SurfaceDMA(screen->swc, st, transfer, &box, 1); + assert(ret == PIPE_OK); + } + pipe_mutex_unlock(screen->swc_mutex); +} + + +static INLINE void +svga_transfer_dma(struct svga_transfer *st, + SVGA3dTransferType transfer) +{ + struct svga_texture *texture = svga_texture(st->base.texture); + struct svga_screen *screen = svga_screen(texture->base.screen); + struct svga_winsys_screen *sws = screen->sws; + struct pipe_fence_handle *fence = NULL; + + if (transfer == SVGA3D_READ_HOST_VRAM) { + SVGA_DBG(DEBUG_PERF, "%s: readback transfer\n", __FUNCTION__); + } + + + if(!st->swbuf) { + /* Do the DMA transfer in a single go */ + + svga_transfer_dma_band(st, transfer, st->base.y, st->base.height, 0); + + if(transfer == SVGA3D_READ_HOST_VRAM) { + svga_screen_flush(screen, &fence); + sws->fence_finish(sws, fence, 0); + //sws->fence_reference(sws, &fence, NULL); + } + } + else { + unsigned y, h, srcy; + h = st->hw_nblocksy * st->base.block.height; + srcy = 0; + for(y = 0; y < st->base.height; y += h) { + unsigned offset, length; + void *hw, *sw; + + if (y + h > st->base.height) + h = st->base.height - y; + + /* Transfer band must be aligned to pixel block boundaries */ + assert(y % st->base.block.height == 0); + assert(h % st->base.block.height == 0); + + offset = y * st->base.stride / st->base.block.height; + length = h * st->base.stride / st->base.block.height; + + sw = (uint8_t *)st->swbuf + offset; + + if(transfer == SVGA3D_WRITE_HOST_VRAM) { + /* Wait for the previous DMAs to complete */ + /* TODO: keep one DMA (at half the size) in the background */ + if(y) { + svga_screen_flush(screen, &fence); + sws->fence_finish(sws, fence, 0); + //sws->fence_reference(sws, &fence, NULL); + } + + hw = sws->buffer_map(sws, st->hwbuf, PIPE_BUFFER_USAGE_CPU_WRITE); + assert(hw); + if(hw) { + memcpy(hw, sw, length); + sws->buffer_unmap(sws, st->hwbuf); + } + } + + svga_transfer_dma_band(st, transfer, y, h, srcy); + + if(transfer == SVGA3D_READ_HOST_VRAM) { + svga_screen_flush(screen, &fence); + sws->fence_finish(sws, fence, 0); + + hw = sws->buffer_map(sws, st->hwbuf, PIPE_BUFFER_USAGE_CPU_READ); + assert(hw); + if(hw) { + memcpy(sw, hw, length); + sws->buffer_unmap(sws, st->hwbuf); + } + } + } + } +} + + +static struct pipe_texture * +svga_texture_create(struct pipe_screen *screen, + const struct pipe_texture *templat) +{ + struct svga_screen *svgascreen = svga_screen(screen); + struct svga_winsys_screen *sws = svgascreen->sws; + struct svga_texture *tex = CALLOC_STRUCT(svga_texture); + unsigned width, height, depth; + SVGA3dSurfaceFlags flags = 0; + SVGA3dSurfaceFormat format; + SVGA3dSize size; + uint32 numFaces; + uint32 numMipLevels; + unsigned level; + + if (!tex) + goto error1; + + tex->base = *templat; + pipe_reference_init(&tex->base.reference, 1); + tex->base.screen = screen; + + assert(templat->last_level < SVGA_MAX_TEXTURE_LEVELS); + if(templat->last_level >= SVGA_MAX_TEXTURE_LEVELS) + goto error2; + + width = templat->width[0]; + height = templat->height[0]; + depth = templat->depth[0]; + for(level = 0; level <= templat->last_level; ++level) { + tex->base.width[level] = width; + tex->base.height[level] = height; + tex->base.depth[level] = depth; + tex->base.nblocksx[level] = pf_get_nblocksx(&tex->base.block, width); + tex->base.nblocksy[level] = pf_get_nblocksy(&tex->base.block, height); + width = minify(width); + height = minify(height); + depth = minify(depth); + } + + size.width = templat->width[0]; + size.height = templat->height[0]; + size.depth = templat->depth[0]; + + if(templat->target == PIPE_TEXTURE_CUBE) { + flags |= SVGA3D_SURFACE_CUBEMAP; + numFaces = 6; + } + else { + numFaces = 1; + } + + if(templat->tex_usage & PIPE_TEXTURE_USAGE_SAMPLER) + flags |= SVGA3D_SURFACE_HINT_TEXTURE; + + if(templat->tex_usage & PIPE_TEXTURE_USAGE_PRIMARY) + flags |= SVGA3D_SURFACE_HINT_SCANOUT; + + /* + * XXX: Never pass the SVGA3D_SURFACE_HINT_RENDERTARGET hint. Mesa cannot + * know beforehand whether a texture will be used as a rendertarget or not + * and it always requests PIPE_TEXTURE_USAGE_RENDER_TARGET, therefore + * passing the SVGA3D_SURFACE_HINT_RENDERTARGET here defeats its purpose. + */ +#if 0 + if((templat->tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) && + !pf_is_compressed(templat->format)) + flags |= SVGA3D_SURFACE_HINT_RENDERTARGET; +#endif + + if(templat->tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL) + flags |= SVGA3D_SURFACE_HINT_DEPTHSTENCIL; + + numMipLevels = templat->last_level + 1; + + format = svga_translate_format(templat->format); + if(format == SVGA3D_FORMAT_INVALID) + goto error2; + + tex->handle = sws->surface_create(sws, flags, format, size, numFaces, numMipLevels); + if (tex->handle) + SVGA_DBG(DEBUG_DMA, "create sid %p (texture)\n", tex->handle); + + return &tex->base; + +error2: + FREE(tex); +error1: + return NULL; +} + + +static struct pipe_texture * +svga_texture_blanket(struct pipe_screen * screen, + const struct pipe_texture *base, + const unsigned *stride, + struct pipe_buffer *buffer) +{ + struct svga_texture *tex; + struct svga_buffer *sbuf = svga_buffer(buffer); + struct svga_winsys_screen *sws = svga_winsys_screen(screen); + assert(screen); + + /* Only supports one type */ + if (base->target != PIPE_TEXTURE_2D || + base->last_level != 0 || + base->depth[0] != 1) { + return NULL; + } + + /** + * We currently can't do texture blanket on + * SVGA3D_BUFFER. Need to blit to a temporary surface? + */ + + assert(sbuf->handle); + if (!sbuf->handle) + return NULL; + + if (svga_translate_format(base->format) != sbuf->key.format) { + unsigned f1 = svga_translate_format(base->format); + unsigned f2 = sbuf->key.format; + + /* It's okay for XRGB and ARGB or depth with/out stencil to get mixed up */ + if ( !( (f1 == SVGA3D_X8R8G8B8 && f2 == SVGA3D_A8R8G8B8) || + (f1 == SVGA3D_A8R8G8B8 && f2 == SVGA3D_X8R8G8B8) || + (f1 == SVGA3D_Z_D24X8 && f2 == SVGA3D_Z_D24S8) ) ) { + debug_printf("%s wrong format %u != %u\n", __FUNCTION__, f1, f2); + return NULL; + } + } + + tex = CALLOC_STRUCT(svga_texture); + if (!tex) + return NULL; + + tex->base = *base; + + if (sbuf->key.format == 1) + tex->base.format = PIPE_FORMAT_X8R8G8B8_UNORM; + else if (sbuf->key.format == 2) + tex->base.format = PIPE_FORMAT_A8R8G8B8_UNORM; + + pipe_reference_init(&tex->base.reference, 1); + tex->base.screen = screen; + + sws->surface_reference(sws, &tex->handle, sbuf->handle); + + return &tex->base; +} + + +static void +svga_texture_destroy(struct pipe_texture *pt) +{ + struct svga_screen *ss = svga_screen(pt->screen); + struct svga_texture *tex = (struct svga_texture *)pt; + + ss->texture_timestamp++; + + svga_sampler_view_reference(&tex->cached_view, NULL); + + /* + DBG("%s deleting %p\n", __FUNCTION__, (void *) tex); + */ + SVGA_DBG(DEBUG_DMA, "unref sid %p (texture)\n", tex->handle); + ss->sws->surface_reference(ss->sws, &tex->handle, NULL); + + FREE(tex); +} + + +static void +svga_texture_copy_handle(struct svga_context *svga, + struct svga_screen *ss, + struct svga_winsys_surface *src_handle, + unsigned src_x, unsigned src_y, unsigned src_z, + unsigned src_level, unsigned src_face, + struct svga_winsys_surface *dst_handle, + unsigned dst_x, unsigned dst_y, unsigned dst_z, + unsigned dst_level, unsigned dst_face, + unsigned width, unsigned height, unsigned depth) +{ + struct svga_surface dst, src; + enum pipe_error ret; + SVGA3dCopyBox box, *boxes; + + assert(svga || ss); + + src.handle = src_handle; + src.real_level = src_level; + src.real_face = src_face; + src.real_zslice = 0; + + dst.handle = dst_handle; + dst.real_level = dst_level; + dst.real_face = dst_face; + dst.real_zslice = 0; + + box.x = dst_x; + box.y = dst_y; + box.z = dst_z; + box.w = width; + box.h = height; + box.d = depth; + box.srcx = src_x; + box.srcy = src_y; + box.srcz = src_z; + +/* + SVGA_DBG(DEBUG_VIEWS, "mipcopy src: %p %u (%ux%ux%u), dst: %p %u (%ux%ux%u)\n", + src_handle, src_level, src_x, src_y, src_z, + dst_handle, dst_level, dst_x, dst_y, dst_z); +*/ + + if (svga) { + ret = SVGA3D_BeginSurfaceCopy(svga->swc, + &src.base, + &dst.base, + &boxes, 1); + if(ret != PIPE_OK) { + svga_context_flush(svga, NULL); + ret = SVGA3D_BeginSurfaceCopy(svga->swc, + &src.base, + &dst.base, + &boxes, 1); + assert(ret == PIPE_OK); + } + *boxes = box; + SVGA_FIFOCommitAll(svga->swc); + } else { + pipe_mutex_lock(ss->swc_mutex); + ret = SVGA3D_BeginSurfaceCopy(ss->swc, + &src.base, + &dst.base, + &boxes, 1); + if(ret != PIPE_OK) { + ss->swc->flush(ss->swc, NULL); + ret = SVGA3D_BeginSurfaceCopy(ss->swc, + &src.base, + &dst.base, + &boxes, 1); + assert(ret == PIPE_OK); + } + *boxes = box; + SVGA_FIFOCommitAll(ss->swc); + pipe_mutex_unlock(ss->swc_mutex); + } +} + +static struct svga_winsys_surface * +svga_texture_view_surface(struct pipe_context *pipe, + struct svga_texture *tex, + SVGA3dSurfaceFormat format, + unsigned start_mip, + unsigned num_mip, + int face_pick, + int zslice_pick) +{ + struct svga_screen *ss = svga_screen(tex->base.screen); + struct svga_winsys_screen *sws = ss->sws; + struct svga_winsys_surface *handle; + int i, j; + SVGA3dSurfaceFlags flags = 0; + SVGA3dSize size; + uint32 numFaces; + uint32 numMipLevels = num_mip; + unsigned z_offset = 0; + + SVGA_DBG(DEBUG_PERF, + "svga: Create surface view: face %d zslice %d mips %d..%d\n", + face_pick, zslice_pick, start_mip, start_mip+num_mip-1); + + size.width = tex->base.width[start_mip]; + size.height = tex->base.height[start_mip]; + size.depth = zslice_pick < 0 ? tex->base.depth[start_mip] : 1; + assert(size.depth == 1); + + if(tex->base.target == PIPE_TEXTURE_CUBE && face_pick < 0) { + flags |= SVGA3D_SURFACE_CUBEMAP; + numFaces = 6; + } else { + numFaces = 1; + } + + if(format == SVGA3D_FORMAT_INVALID) + return NULL; + + handle = sws->surface_create(sws, flags, format, size, numFaces, numMipLevels); + + if (!handle) + return NULL; + + SVGA_DBG(DEBUG_DMA, "create sid %p (texture view)\n", handle); + + if (face_pick < 0) + face_pick = 0; + + if (zslice_pick >= 0) + z_offset = zslice_pick; + + for (i = 0; i < num_mip; i++) { + for (j = 0; j < numFaces; j++) { + if(tex->defined[j + face_pick][i + start_mip]) { + unsigned depth = zslice_pick < 0 ? tex->base.depth[i + start_mip] : 1; + svga_texture_copy_handle(svga_context(pipe), ss, + tex->handle, 0, 0, z_offset, i + start_mip, j + face_pick, + handle, 0, 0, 0, i, j, + tex->base.width[i + start_mip], tex->base.height[i + start_mip], depth); + } + } + } + + return handle; +} + + +static struct pipe_surface * +svga_get_tex_surface(struct pipe_screen *screen, + struct pipe_texture *pt, + unsigned face, unsigned level, unsigned zslice, + unsigned flags) +{ + struct svga_texture *tex = svga_texture(pt); + struct svga_surface *s; + struct pipe_surface *ps; + boolean render = flags & PIPE_BUFFER_USAGE_GPU_WRITE ? TRUE : FALSE; + boolean view = FALSE; + SVGA3dSurfaceFormat format; + + s = CALLOC_STRUCT(svga_surface); + ps = &s->base; + if (!ps) + return NULL; + + pipe_reference_init(&ps->reference, 1); + pipe_texture_reference(&ps->texture, pt); + ps->format = pt->format; + ps->width = pt->width[level]; + ps->height = pt->height[level]; + ps->usage = flags; + ps->level = level; + ps->face = face; + ps->zslice = zslice; + + if (!render) + format = svga_translate_format(pt->format); + else + format = svga_translate_format_render(pt->format); + + assert(format != SVGA3D_FORMAT_INVALID); + assert(!(flags & PIPE_BUFFER_USAGE_CPU_READ_WRITE)); + + + if (svga_screen(screen)->debug.force_surface_view) + view = TRUE; + + /* Currently only used for compressed textures */ + if (render && (format != svga_translate_format(pt->format))) { + view = TRUE; + } + + if (level != 0 && svga_screen(screen)->debug.force_level_surface_view) + view = TRUE; + + if (pt->target == PIPE_TEXTURE_3D) + view = TRUE; + + if (svga_screen(screen)->debug.no_surface_view) + view = FALSE; + + if (view) { + SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: yes %p, level %u face %u z %u, %p\n", + pt, level, face, zslice, ps); + + s->handle = svga_texture_view_surface(NULL, tex, format, level, 1, face, zslice); + s->real_face = 0; + s->real_level = 0; + s->real_zslice = 0; + } else { + struct svga_winsys_screen *sws = svga_winsys_screen(screen); + + SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: no %p, level %u, face %u, z %u, %p\n", + pt, level, face, zslice, ps); + + sws->surface_reference(sws, &s->handle, tex->handle); + s->real_face = face; + s->real_level = level; + s->real_zslice = zslice; + } + + return ps; +} + + +static void +svga_tex_surface_destroy(struct pipe_surface *surf) +{ + struct svga_surface *s = svga_surface(surf); + struct svga_screen *ss = svga_screen(surf->texture->screen); + + SVGA_DBG(DEBUG_DMA, "unref sid %p (tex surface)\n", s->handle); + ss->sws->surface_reference(ss->sws, &s->handle, NULL); + pipe_texture_reference(&surf->texture, NULL); + FREE(surf); +} + + +static INLINE void +svga_mark_surface_dirty(struct pipe_surface *surf) +{ + struct svga_surface *s = svga_surface(surf); + + if(!s->dirty) { + struct svga_texture *tex = svga_texture(surf->texture); + + s->dirty = TRUE; + + if (s->handle == tex->handle) + tex->defined[surf->face][surf->level] = TRUE; + else { + /* this will happen later in svga_propagate_surface */ + } + } +} + + +void svga_mark_surfaces_dirty(struct svga_context *svga) +{ + unsigned i; + + for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { + if (svga->curr.framebuffer.cbufs[i]) + svga_mark_surface_dirty(svga->curr.framebuffer.cbufs[i]); + } + if (svga->curr.framebuffer.zsbuf) + svga_mark_surface_dirty(svga->curr.framebuffer.zsbuf); +} + +/** + * Progagate any changes from surfaces to texture. + * pipe is optional context to inline the blit command in. + */ +void +svga_propagate_surface(struct pipe_context *pipe, struct pipe_surface *surf) +{ + struct svga_surface *s = svga_surface(surf); + struct svga_texture *tex = svga_texture(surf->texture); + struct svga_screen *ss = svga_screen(surf->texture->screen); + + if (!s->dirty) + return; + + s->dirty = FALSE; + ss->texture_timestamp++; + tex->view_age[surf->level] = ++(tex->age); + + if (s->handle != tex->handle) { + SVGA_DBG(DEBUG_VIEWS, "svga: Surface propagate: tex %p, level %u, from %p\n", tex, surf->level, surf); + svga_texture_copy_handle(svga_context(pipe), ss, + s->handle, 0, 0, 0, s->real_level, s->real_face, + tex->handle, 0, 0, surf->zslice, surf->level, surf->face, + tex->base.width[surf->level], tex->base.height[surf->level], 1); + tex->defined[surf->face][surf->level] = TRUE; + } +} + +/** + * Check if we should call svga_propagate_surface on the surface. + */ +extern boolean +svga_surface_needs_propagation(struct pipe_surface *surf) +{ + struct svga_surface *s = svga_surface(surf); + struct svga_texture *tex = svga_texture(surf->texture); + + return s->dirty && s->handle != tex->handle; +} + + +static struct pipe_transfer * +svga_get_tex_transfer(struct pipe_screen *screen, + struct pipe_texture *texture, + unsigned face, unsigned level, unsigned zslice, + enum pipe_transfer_usage usage, unsigned x, unsigned y, + unsigned w, unsigned h) +{ + struct svga_screen *ss = svga_screen(screen); + struct svga_winsys_screen *sws = ss->sws; + struct svga_transfer *st; + + /* We can't map texture storage directly */ + if (usage & PIPE_TRANSFER_MAP_DIRECTLY) + return NULL; + + st = CALLOC_STRUCT(svga_transfer); + if (!st) + return NULL; + + st->base.format = texture->format; + st->base.block = texture->block; + st->base.x = x; + st->base.y = y; + st->base.width = w; + st->base.height = h; + st->base.nblocksx = pf_get_nblocksx(&texture->block, w); + st->base.nblocksy = pf_get_nblocksy(&texture->block, h); + st->base.stride = st->base.nblocksx*st->base.block.size; + st->base.usage = usage; + st->base.face = face; + st->base.level = level; + st->base.zslice = zslice; + + st->hw_nblocksy = st->base.nblocksy; + + st->hwbuf = svga_winsys_buffer_create(ss, + 1, + 0, + st->hw_nblocksy*st->base.stride); + while(!st->hwbuf && (st->hw_nblocksy /= 2)) { + st->hwbuf = svga_winsys_buffer_create(ss, + 1, + 0, + st->hw_nblocksy*st->base.stride); + } + + if(!st->hwbuf) + goto no_hwbuf; + + if(st->hw_nblocksy < st->base.nblocksy) { + /* We couldn't allocate a hardware buffer big enough for the transfer, + * so allocate regular malloc memory instead */ + debug_printf("%s: failed to allocate %u KB of DMA, splitting into %u x %u KB DMA transfers\n", + __FUNCTION__, + (st->base.nblocksy*st->base.stride + 1023)/1024, + (st->base.nblocksy + st->hw_nblocksy - 1)/st->hw_nblocksy, + (st->hw_nblocksy*st->base.stride + 1023)/1024); + st->swbuf = MALLOC(st->base.nblocksy*st->base.stride); + if(!st->swbuf) + goto no_swbuf; + } + + pipe_texture_reference(&st->base.texture, texture); + + if (usage & PIPE_TRANSFER_READ) + svga_transfer_dma(st, SVGA3D_READ_HOST_VRAM); + + return &st->base; + +no_swbuf: + sws->buffer_destroy(sws, st->hwbuf); +no_hwbuf: + FREE(st); + return NULL; +} + + +static void * +svga_transfer_map( struct pipe_screen *screen, + struct pipe_transfer *transfer ) +{ + struct svga_screen *ss = svga_screen(screen); + struct svga_winsys_screen *sws = ss->sws; + struct svga_transfer *st = svga_transfer(transfer); + + if(st->swbuf) + return st->swbuf; + else + /* The wait for read transfers already happened when svga_transfer_dma + * was called. */ + return sws->buffer_map(sws, st->hwbuf, + pipe_transfer_buffer_flags(transfer)); +} + + +static void +svga_transfer_unmap(struct pipe_screen *screen, + struct pipe_transfer *transfer) +{ + struct svga_screen *ss = svga_screen(screen); + struct svga_winsys_screen *sws = ss->sws; + struct svga_transfer *st = svga_transfer(transfer); + + if(!st->swbuf) + sws->buffer_unmap(sws, st->hwbuf); +} + + +static void +svga_tex_transfer_destroy(struct pipe_transfer *transfer) +{ + struct svga_texture *tex = svga_texture(transfer->texture); + struct svga_screen *ss = svga_screen(transfer->texture->screen); + struct svga_winsys_screen *sws = ss->sws; + struct svga_transfer *st = svga_transfer(transfer); + + if (st->base.usage & PIPE_TRANSFER_WRITE) { + svga_transfer_dma(st, SVGA3D_WRITE_HOST_VRAM); + ss->texture_timestamp++; + tex->view_age[transfer->level] = ++(tex->age); + tex->defined[transfer->face][transfer->level] = TRUE; + } + + pipe_texture_reference(&st->base.texture, NULL); + FREE(st->swbuf); + sws->buffer_destroy(sws, st->hwbuf); + FREE(st); +} + +void +svga_screen_init_texture_functions(struct pipe_screen *screen) +{ + screen->texture_create = svga_texture_create; + screen->texture_destroy = svga_texture_destroy; + screen->get_tex_surface = svga_get_tex_surface; + screen->tex_surface_destroy = svga_tex_surface_destroy; + screen->texture_blanket = svga_texture_blanket; + screen->get_tex_transfer = svga_get_tex_transfer; + screen->transfer_map = svga_transfer_map; + screen->transfer_unmap = svga_transfer_unmap; + screen->tex_transfer_destroy = svga_tex_transfer_destroy; +} + +/*********************************************************************** + */ + +struct svga_sampler_view * +svga_get_tex_sampler_view(struct pipe_context *pipe, struct pipe_texture *pt, + unsigned min_lod, unsigned max_lod) +{ + struct svga_screen *ss = svga_screen(pt->screen); + struct svga_winsys_screen *sws = ss->sws; + struct svga_texture *tex = svga_texture(pt); + struct svga_sampler_view *sv = NULL; + SVGA3dSurfaceFormat format = svga_translate_format(pt->format); + boolean view = TRUE; + + assert(pt); + assert(min_lod >= 0); + assert(min_lod <= max_lod); + assert(max_lod <= pt->last_level); + + + /* Is a view needed */ + { + /* + * Can't control max lod. For first level views and when we only + * look at one level we disable mip filtering to achive the same + * results as a view. + */ + if (min_lod == 0 && max_lod >= pt->last_level) + view = FALSE; + + if (pf_is_compressed(pt->format) && view) { + format = svga_translate_format_render(pt->format); + } + + if (ss->debug.no_sampler_view) + view = FALSE; + + if (ss->debug.force_sampler_view) + view = TRUE; + } + + /* First try the cache */ + if (view) { + pipe_mutex_lock(ss->tex_mutex); + if (tex->cached_view && + tex->cached_view->min_lod == min_lod && + tex->cached_view->max_lod == max_lod) { + svga_sampler_view_reference(&sv, tex->cached_view); + pipe_mutex_unlock(ss->tex_mutex); + SVGA_DBG(DEBUG_VIEWS, "svga: Sampler view: reuse %p, %u %u, last %u\n", + pt, min_lod, max_lod, pt->last_level); + svga_validate_sampler_view(svga_context(pipe), sv); + return sv; + } + pipe_mutex_unlock(ss->tex_mutex); + } + + sv = CALLOC_STRUCT(svga_sampler_view); + pipe_reference_init(&sv->reference, 1); + sv->texture = tex; + sv->min_lod = min_lod; + sv->max_lod = max_lod; + + /* No view needed just use the whole texture */ + if (!view) { + SVGA_DBG(DEBUG_VIEWS, + "svga: Sampler view: no %p, mips %u..%u, nr %u, size (%ux%ux%u), last %u\n", + pt, min_lod, max_lod, + max_lod - min_lod + 1, + pt->width[0], + pt->height[0], + pt->depth[0], + pt->last_level); + sws->surface_reference(sws, &sv->handle, tex->handle); + return sv; + } + + SVGA_DBG(DEBUG_VIEWS, + "svga: Sampler view: yes %p, mips %u..%u, nr %u, size (%ux%ux%u), last %u\n", + pt, min_lod, max_lod, + max_lod - min_lod + 1, + pt->width[0], + pt->height[0], + pt->depth[0], + pt->last_level); + + sv->age = tex->age; + sv->handle = svga_texture_view_surface(pipe, tex, format, + min_lod, + max_lod - min_lod + 1, + -1, -1); + + if (!sv->handle) { + assert(0); + sws->surface_reference(sws, &sv->handle, tex->handle); + return sv; + } + + pipe_mutex_lock(ss->tex_mutex); + svga_sampler_view_reference(&tex->cached_view, sv); + pipe_mutex_unlock(ss->tex_mutex); + + return sv; +} + +void +svga_validate_sampler_view(struct svga_context *svga, struct svga_sampler_view *v) +{ + struct svga_texture *tex = v->texture; + unsigned numFaces; + unsigned age = 0; + int i, k; + + assert(svga); + + if (v->handle == v->texture->handle) + return; + + age = tex->age; + + if(tex->base.target == PIPE_TEXTURE_CUBE) + numFaces = 6; + else + numFaces = 1; + + for (i = v->min_lod; i <= v->max_lod; i++) { + for (k = 0; k < numFaces; k++) { + if (v->age < tex->view_age[i]) + svga_texture_copy_handle(svga, NULL, + tex->handle, 0, 0, 0, i, k, + v->handle, 0, 0, 0, i - v->min_lod, k, + tex->base.width[i], + tex->base.height[i], + tex->base.depth[i]); + } + } + + v->age = age; +} + +void +svga_destroy_sampler_view_priv(struct svga_sampler_view *v) +{ + struct svga_screen *ss = svga_screen(v->texture->base.screen); + + SVGA_DBG(DEBUG_DMA, "unref sid %p (sampler view)\n", v->handle); + ss->sws->surface_reference(ss->sws, &v->handle, NULL); + + FREE(v); +} + +boolean +svga_screen_buffer_from_texture(struct pipe_texture *texture, + struct pipe_buffer **buffer, + unsigned *stride) +{ + struct svga_texture *stex = svga_texture(texture); + + *buffer = svga_screen_buffer_wrap_surface + (texture->screen, + svga_translate_format(texture->format), + stex->handle); + + *stride = pf_get_nblocksx(&texture->block, texture->width[0]) * + texture->block.size; + + return *buffer != NULL; +} + + +struct svga_winsys_surface * +svga_screen_texture_get_winsys_surface(struct pipe_texture *texture) +{ + struct svga_winsys_screen *sws = svga_winsys_screen(texture->screen); + struct svga_winsys_surface *vsurf = NULL; + + sws->surface_reference(sws, &vsurf, svga_texture(texture)->handle); + return vsurf; +} |