gallium: Reorg winsys directories

Attached output from commit.
 delete mode 100644 src/gallium/winsys/drm/SConscript
 delete mode 100644 src/gallium/winsys/drm/i965/SConscript
 delete mode 100644 src/gallium/winsys/drm/intel/Makefile
 delete mode 100644 src/gallium/winsys/drm/intel/SConscript
 delete mode 100644 src/gallium/winsys/drm/nouveau/Makefile
 delete mode 100644 src/gallium/winsys/drm/radeon/Makefile
 delete mode 100644 src/gallium/winsys/drm/radeon/SConscript
 delete mode 100644 src/gallium/winsys/drm/vmware/Makefile
 delete mode 100644 src/gallium/winsys/drm/vmware/SConscript
 rename src/gallium/winsys/{drm/intel/gem => i915/drm}/Makefile (82%)
 rename src/gallium/winsys/{drm/intel/gem => i915/drm}/SConscript (100%)
 rename src/gallium/winsys/{drm/intel/gem => i915/drm}/intel_drm_api.c (100%)
 rename src/gallium/winsys/{drm/intel/gem => i915/drm}/intel_drm_batchbuffer.c (100%)
 rename src/gallium/winsys/{drm/intel/gem => i915/drm}/intel_drm_buffer.c (100%)
 rename src/gallium/winsys/{drm/intel/gem => i915/drm}/intel_drm_fence.c (100%)
 rename src/gallium/winsys/{drm/intel/gem => i915/drm}/intel_drm_winsys.h (100%)
 rename src/gallium/winsys/{drm/i965/gem => i965/drm}/Makefile (78%)
 rename src/gallium/winsys/{drm/i965/gem => i965/drm}/SConscript (100%)
 rename src/gallium/winsys/{drm/i965/gem => i965/drm}/i965_drm_api.c (98%)
 rename src/gallium/winsys/{drm/i965/gem => i965/drm}/i965_drm_buffer.c (100%)
 rename src/gallium/winsys/{drm/i965/gem => i965/drm}/i965_drm_winsys.h (100%)
 rename src/gallium/winsys/{drm => }/i965/xlib/Makefile (97%)
 rename src/gallium/winsys/{drm => }/i965/xlib/xlib_i965.c (100%)
 rename src/gallium/winsys/{drm => }/nouveau/drm/Makefile (79%)
 rename src/gallium/winsys/{drm => }/nouveau/drm/nouveau_dri.h (100%)
 rename src/gallium/winsys/{drm => }/nouveau/drm/nouveau_drm_api.c (100%)
 rename src/gallium/winsys/{drm => }/nouveau/drm/nouveau_drm_api.h (100%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/Makefile (79%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/SConscript (100%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/radeon_buffer.h (100%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/radeon_drm.c (100%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/radeon_drm.h (100%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/radeon_drm_buffer.c (100%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/radeon_r300.c (100%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/radeon_r300.h (100%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/radeon_winsys.h (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/Makefile (63%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/SConscript (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_buffer.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_buffer.h (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_context.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_context.h (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_fence.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_fence.h (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_screen.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_screen.h (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_screen_dri.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_screen_ioctl.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_screen_pools.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_screen_svga.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_surface.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_surface.h (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmwgfx_drm.h (100%)
 rename src/gallium/winsys/{drm/i965 => sw}/Makefile (61%)
 copy src/gallium/winsys/{drm/sw => sw/drm}/Makefile (73%)
 rename src/gallium/winsys/{drm/sw => sw/drm}/sw_drm_api.c (98%)
 rename src/gallium/winsys/{drm/sw => sw/drm}/sw_drm_api.h (100%)
 rename src/gallium/winsys/{ => sw}/gdi/SConscript (100%)
 rename src/gallium/winsys/{ => sw}/gdi/gdi_sw_winsys.c (100%)
 rename src/gallium/winsys/{ => sw}/gdi/gdi_sw_winsys.h (100%)
 rename src/gallium/winsys/{ => sw}/null/Makefile (78%)
 rename src/gallium/winsys/{ => sw}/null/SConscript (100%)
 rename src/gallium/winsys/{ => sw}/null/null_sw_winsys.c (100%)
 rename src/gallium/winsys/{ => sw}/null/null_sw_winsys.h (100%)
 rename src/gallium/winsys/{drm/sw => sw/wrapper}/Makefile (65%)
 rename src/gallium/winsys/{drm/sw => sw/wrapper}/wrapper_sw_winsys.c (100%)
 rename src/gallium/winsys/{drm/sw => sw/wrapper}/wrapper_sw_winsys.h (100%)
 rename src/gallium/winsys/{ => sw}/xlib/Makefile (79%)
 rename src/gallium/winsys/{ => sw}/xlib/SConscript (100%)
 rename src/gallium/winsys/{ => sw}/xlib/xlib_sw_winsys.c (100%)

1 files changed, 382 insertions, 0 deletions

diff --git a/src/gallium/winsys/svga/drm/vmw_context.c b/src/gallium/winsys/svga/drm/vmw_context.c
new file mode 100644
index 00000000000..90ffc4868f7
--- /dev/null
+++ b/src/gallium/winsys/svga/drm/vmw_context.c
@@ -0,0 +1,382 @@
+/**********************************************************
+ * Copyright 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 "util/u_debug.h"
+#include "util/u_memory.h"
+#include "util/u_debug_stack.h"
+#include "pipebuffer/pb_buffer.h"
+#include "pipebuffer/pb_validate.h"
+
+#include "svga_winsys.h"
+#include "vmw_context.h"
+#include "vmw_screen.h"
+#include "vmw_buffer.h"
+#include "vmw_surface.h"
+#include "vmw_fence.h"
+
+#define VMW_COMMAND_SIZE (64*1024)
+#define VMW_SURFACE_RELOCS (1024)
+#define VMW_REGION_RELOCS (512)
+
+#define VMW_MUST_FLUSH_STACK 8
+
+struct vmw_region_relocation
+{
+   struct SVGAGuestPtr *where;
+   struct pb_buffer *buffer;
+   /* TODO: put offset info inside where */
+   uint32 offset;
+};
+
+struct vmw_svga_winsys_context
+{
+   struct svga_winsys_context base;
+
+   struct vmw_winsys_screen *vws;
+
+#ifdef DEBUG
+   boolean must_flush;
+   struct debug_stack_frame must_flush_stack[VMW_MUST_FLUSH_STACK];
+#endif
+
+   struct {
+      uint8_t buffer[VMW_COMMAND_SIZE];
+      uint32_t size;
+      uint32_t used;
+      uint32_t reserved;
+   } command;
+
+   struct {
+      struct vmw_svga_winsys_surface *handles[VMW_SURFACE_RELOCS];
+      uint32_t size;
+      uint32_t used;
+      uint32_t staged;
+      uint32_t reserved;
+   } surface;
+   
+   struct {
+      struct vmw_region_relocation relocs[VMW_REGION_RELOCS];
+      uint32_t size;
+      uint32_t used;
+      uint32_t staged;
+      uint32_t reserved;
+   } region;
+
+   struct pb_validate *validate;
+
+   uint32_t last_fence;
+
+   /**
+    * The amount of GMR that is referred by the commands currently batched
+    * in the context.
+    */
+   uint32_t seen_regions;
+
+   /**
+    * Whether this context should fail to reserve more commands, not because it
+    * ran out of command space, but because a substantial ammount of GMR was
+    * referred.
+    */
+   boolean preemptive_flush;
+};
+
+
+static INLINE struct vmw_svga_winsys_context *
+vmw_svga_winsys_context(struct svga_winsys_context *swc)
+{
+   assert(swc);
+   return (struct vmw_svga_winsys_context *)swc;
+}
+
+
+static enum pipe_error
+vmw_swc_flush(struct svga_winsys_context *swc,
+              struct pipe_fence_handle **pfence)
+{
+   struct vmw_svga_winsys_context *vswc = vmw_svga_winsys_context(swc);
+   struct pipe_fence_handle *fence = NULL;
+   unsigned i;
+   enum pipe_error ret;
+
+   ret = pb_validate_validate(vswc->validate);
+   assert(ret == PIPE_OK);
+   if(ret == PIPE_OK) {
+   
+      /* Apply relocations */
+      for(i = 0; i < vswc->region.used; ++i) {
+         struct vmw_region_relocation *reloc = &vswc->region.relocs[i];
+         struct SVGAGuestPtr ptr;
+
+         if(!vmw_gmr_bufmgr_region_ptr(reloc->buffer, &ptr))
+            assert(0);
+
+         ptr.offset += reloc->offset;
+
+         *reloc->where = ptr;
+      }
+
+      if (vswc->command.used)
+         vmw_ioctl_command(vswc->vws,
+                           vswc->command.buffer,
+                           vswc->command.used,
+                           &vswc->last_fence);
+
+      fence = vmw_pipe_fence(vswc->last_fence);
+
+      pb_validate_fence(vswc->validate, fence);
+   }
+
+   vswc->command.used = 0;
+   vswc->command.reserved = 0;
+
+   for(i = 0; i < vswc->surface.used + vswc->surface.staged; ++i) {
+      struct vmw_svga_winsys_surface *vsurf =
+	 vswc->surface.handles[i];
+      p_atomic_dec(&vsurf->validated);
+      vmw_svga_winsys_surface_reference(&vswc->surface.handles[i], NULL);
+   }
+
+   vswc->surface.used = 0;
+   vswc->surface.reserved = 0;
+
+   for(i = 0; i < vswc->region.used + vswc->region.staged; ++i) {
+      pb_reference(&vswc->region.relocs[i].buffer, NULL);
+   }
+
+   vswc->region.used = 0;
+   vswc->region.reserved = 0;
+
+#ifdef DEBUG
+   vswc->must_flush = FALSE;
+#endif
+   vswc->preemptive_flush = FALSE;
+   vswc->seen_regions = 0;
+
+   if(pfence)
+      *pfence = fence;
+
+   return ret;
+}
+
+
+static void *
+vmw_swc_reserve(struct svga_winsys_context *swc,
+                uint32_t nr_bytes, uint32_t nr_relocs )
+{
+   struct vmw_svga_winsys_context *vswc = vmw_svga_winsys_context(swc);
+
+#ifdef DEBUG
+   /* Check if somebody forgot to check the previous failure */
+   if(vswc->must_flush) {
+      debug_printf("Forgot to flush:\n");
+      debug_backtrace_dump(vswc->must_flush_stack, VMW_MUST_FLUSH_STACK);
+      assert(!vswc->must_flush);
+   }
+#endif
+
+   assert(nr_bytes <= vswc->command.size);
+   if(nr_bytes > vswc->command.size)
+      return NULL;
+
+   if(vswc->preemptive_flush ||
+      vswc->command.used + nr_bytes > vswc->command.size ||
+      vswc->surface.used + nr_relocs > vswc->surface.size ||
+      vswc->region.used + nr_relocs > vswc->region.size) {
+#ifdef DEBUG
+      vswc->must_flush = TRUE;
+      debug_backtrace_capture(vswc->must_flush_stack, 1,
+                              VMW_MUST_FLUSH_STACK);
+#endif
+      return NULL;
+   }
+
+   assert(vswc->command.used + nr_bytes <= vswc->command.size);
+   assert(vswc->surface.used + nr_relocs <= vswc->surface.size);
+   assert(vswc->region.used + nr_relocs <= vswc->region.size);
+   
+   vswc->command.reserved = nr_bytes;
+   vswc->surface.reserved = nr_relocs;
+   vswc->surface.staged = 0;
+   vswc->region.reserved = nr_relocs;
+   vswc->region.staged = 0;
+   
+   return vswc->command.buffer + vswc->command.used;
+}
+
+
+static void
+vmw_swc_surface_relocation(struct svga_winsys_context *swc,
+                           uint32 *where,
+                           struct svga_winsys_surface *surface,
+                           unsigned flags)
+{
+   struct vmw_svga_winsys_context *vswc = vmw_svga_winsys_context(swc);
+   struct vmw_svga_winsys_surface *vsurf;
+
+   if(!surface) {
+      *where = SVGA3D_INVALID_ID;
+      return;
+   }
+
+   assert(vswc->surface.staged < vswc->surface.reserved);
+
+   vsurf = vmw_svga_winsys_surface(surface);
+
+   *where = vsurf->sid;
+
+   vmw_svga_winsys_surface_reference(&vswc->surface.handles[vswc->surface.used + vswc->surface.staged], vsurf);
+   p_atomic_inc(&vsurf->validated);
+   ++vswc->surface.staged;
+}
+
+
+static void
+vmw_swc_region_relocation(struct svga_winsys_context *swc,
+                          struct SVGAGuestPtr *where,
+                          struct svga_winsys_buffer *buffer,
+                          uint32 offset,
+                          unsigned flags)
+{
+   struct vmw_svga_winsys_context *vswc = vmw_svga_winsys_context(swc);
+   struct vmw_region_relocation *reloc;
+   enum pipe_error ret;
+   
+   assert(vswc->region.staged < vswc->region.reserved);
+
+   reloc = &vswc->region.relocs[vswc->region.used + vswc->region.staged];
+   reloc->where = where;
+   pb_reference(&reloc->buffer, vmw_pb_buffer(buffer));
+   reloc->offset = offset;
+
+   ++vswc->region.staged;
+
+   ret = pb_validate_add_buffer(vswc->validate, reloc->buffer, flags);
+   /* TODO: Update pipebuffer to reserve buffers and not fail here */
+   assert(ret == PIPE_OK);
+
+   /*
+    * Flush preemptively the FIFO commands to keep the GMR working set within
+    * the GMR pool size.
+    *
+    * This is necessary for applications like SPECviewperf that generate huge
+    * amounts of immediate vertex data, so that we don't pile up too much of
+    * that vertex data neither in the guest nor in the host.
+    *
+    * Note that in the current implementation if a region is referred twice in
+    * a command stream, it will be accounted twice. We could detect repeated
+    * regions and count only once, but there is no incentive to do that, since
+    * regions are typically short-lived; always referred in a single command;
+    * and at the worst we just flush the commands a bit sooner, which for the
+    * SVGA virtual device it's not a performance issue since flushing commands
+    * to the FIFO won't cause flushing in the host.
+    */
+   vswc->seen_regions += reloc->buffer->base.size;
+   if(vswc->seen_regions >= VMW_GMR_POOL_SIZE/2)
+      vswc->preemptive_flush = TRUE;
+}
+
+
+static void
+vmw_swc_commit(struct svga_winsys_context *swc)
+{
+   struct vmw_svga_winsys_context *vswc = vmw_svga_winsys_context(swc);
+
+   assert(vswc->command.reserved);
+   assert(vswc->command.used + vswc->command.reserved <= vswc->command.size);
+   vswc->command.used += vswc->command.reserved;
+   vswc->command.reserved = 0;
+
+   assert(vswc->surface.staged <= vswc->surface.reserved);
+   assert(vswc->surface.used + vswc->surface.staged <= vswc->surface.size);
+   vswc->surface.used += vswc->surface.staged;
+   vswc->surface.staged = 0;
+   vswc->surface.reserved = 0;
+
+   assert(vswc->region.staged <= vswc->region.reserved);
+   assert(vswc->region.used + vswc->region.staged <= vswc->region.size);
+   vswc->region.used += vswc->region.staged;
+   vswc->region.staged = 0;
+   vswc->region.reserved = 0;
+}
+
+
+static void
+vmw_swc_destroy(struct svga_winsys_context *swc)
+{
+   struct vmw_svga_winsys_context *vswc = vmw_svga_winsys_context(swc);
+   unsigned i;
+
+   for(i = 0; i < vswc->region.used; ++i) {
+      pb_reference(&vswc->region.relocs[i].buffer, NULL);
+   }
+
+   for(i = 0; i < vswc->surface.used; ++i) {
+      p_atomic_dec(&vswc->surface.handles[i]->validated);
+      vmw_svga_winsys_surface_reference(&vswc->surface.handles[i], NULL);
+   }
+   pb_validate_destroy(vswc->validate);
+   vmw_ioctl_context_destroy(vswc->vws, swc->cid);
+   FREE(vswc);
+}
+
+
+struct svga_winsys_context *
+vmw_svga_winsys_context_create(struct svga_winsys_screen *sws)
+{
+   struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
+   struct vmw_svga_winsys_context *vswc;
+
+   vswc = CALLOC_STRUCT(vmw_svga_winsys_context);
+   if(!vswc)
+      return NULL;
+
+   vswc->base.destroy = vmw_swc_destroy;
+   vswc->base.reserve = vmw_swc_reserve;
+   vswc->base.surface_relocation = vmw_swc_surface_relocation;
+   vswc->base.region_relocation = vmw_swc_region_relocation;
+   vswc->base.commit = vmw_swc_commit;
+   vswc->base.flush = vmw_swc_flush;
+
+   vswc->base.cid = vmw_ioctl_context_create(vws);
+
+   vswc->vws = vws;
+
+   vswc->command.size = VMW_COMMAND_SIZE;
+   vswc->surface.size = VMW_SURFACE_RELOCS;
+   vswc->region.size = VMW_REGION_RELOCS;
+
+   vswc->validate = pb_validate_create();
+   if(!vswc->validate) {
+      FREE(vswc);
+      return NULL;
+   }
+
+   return &vswc->base;
+}
+
+