summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/i915pipe/intel_regions.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/dri/i915pipe/intel_regions.c')
-rw-r--r--src/mesa/drivers/dri/i915pipe/intel_regions.c158
1 files changed, 1 insertions, 157 deletions
diff --git a/src/mesa/drivers/dri/i915pipe/intel_regions.c b/src/mesa/drivers/dri/i915pipe/intel_regions.c
index bdbc59e7ac..f2280ceb51 100644
--- a/src/mesa/drivers/dri/i915pipe/intel_regions.c
+++ b/src/mesa/drivers/dri/i915pipe/intel_regions.c
@@ -75,10 +75,6 @@ intel_region_map(struct pipe_context *pipe, struct pipe_region *region)
{
DBG("%s\n", __FUNCTION__);
if (!region->map_refcount++) {
- if (region->pbo) {
- pipe->region_cow(pipe, region);
- }
-
region->map = driBOMap(region->buffer,
DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0);
}
@@ -96,8 +92,6 @@ intel_region_unmap(struct pipe_context *pipe, struct pipe_region *region)
}
}
-#undef TEST_CACHED_TEXTURES
-
static struct pipe_region *
intel_region_alloc(struct pipe_context *pipe,
GLuint cpp, GLuint pitch, GLuint height)
@@ -115,13 +109,9 @@ intel_region_alloc(struct pipe_context *pipe,
driGenBuffers(intelScreen->regionPool,
"region", 1, &region->buffer, 64,
-#ifdef TEST_CACHED_TEXTURES
- DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_BIND_CACHED |
- DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE,
-#else
0,
-#endif
0);
+
LOCK_HARDWARE(intel);
driBOData(region->buffer, pitch * cpp * height, NULL, 0);
UNLOCK_HARDWARE(intel);
@@ -142,9 +132,6 @@ intel_region_release(struct pipe_context *pipe, struct pipe_region **region)
if ((*region)->refcount == 0) {
assert((*region)->map_refcount == 0);
- if ((*region)->pbo)
- (*region)->pbo->region = NULL;
- (*region)->pbo = NULL;
driBOUnReference((*region)->buffer);
free(*region);
}
@@ -275,15 +262,6 @@ intel_region_data(struct pipe_context *pipe,
if (intel == NULL)
return;
- if (dst->pbo) {
- if (dstx == 0 &&
- dsty == 0 && width == dst->pitch && height == dst->height)
- pipe->region_release_pbo(pipe, dst);
- else
- pipe->region_cow(pipe, dst);
- }
-
-
LOCK_HARDWARE(intel);
_mesa_copy_rect(pipe->region_map(pipe, dst) + dst_offset,
@@ -317,14 +295,6 @@ intel_region_copy(struct pipe_context *pipe,
if (intel == NULL)
return;
- if (dst->pbo) {
- if (dstx == 0 &&
- dsty == 0 && width == dst->pitch && height == dst->height)
- pipe->region_release_pbo(pipe, dst);
- else
- pipe->region_cow(pipe, dst);
- }
-
assert(src->cpp == dst->cpp);
intelEmitCopyBlit(intel,
@@ -354,141 +324,18 @@ intel_region_fill(struct pipe_context *pipe,
if (intel == NULL)
return;
- if (dst->pbo) {
- if (dstx == 0 &&
- dsty == 0 && width == dst->pitch && height == dst->height)
- pipe->region_release_pbo(pipe, dst);
- else
- pipe->region_cow(pipe, dst);
- }
-
intelEmitFillBlit(intel,
dst->cpp,
dst->pitch, dst->buffer, dst_offset,
dstx, dsty, width, height, value, mask);
}
-/* Attach to a pbo, discarding our data. Effectively zero-copy upload
- * the pbo's data.
- */
-static void
-intel_region_attach_pbo(struct pipe_context *pipe,
- struct pipe_region *region,
- struct intel_buffer_object *pbo)
-{
- if (region->pbo == pbo)
- return;
-
- /* If there is already a pbo attached, break the cow tie now.
- * Don't call pipe_region_release_pbo() as that would
- * unnecessarily allocate a new buffer we would have to immediately
- * discard.
- */
- if (region->pbo) {
- region->pbo->region = NULL;
- region->pbo = NULL;
- }
-
- if (region->buffer) {
- driDeleteBuffers(1, &region->buffer);
- region->buffer = NULL;
- }
-
- region->pbo = pbo;
- region->pbo->region = region;
- region->buffer = driBOReference(pbo->buffer);
-}
-
-/* Break the COW tie to the pbo. The pbo gets to keep the data.
- */
-static void
-intel_region_release_pbo(struct pipe_context *pipe,
- struct pipe_region *region)
-{
- intelScreenPrivate *intelScreen = pipe_screen(pipe);
- struct intel_context *intel = intelScreenContext(intelScreen);
-
- assert(region->buffer == region->pbo->buffer);
- region->pbo->region = NULL;
- region->pbo = NULL;
- driBOUnReference(region->buffer);
- region->buffer = NULL;
-
- driGenBuffers(intelScreen->regionPool,
- "region", 1, &region->buffer, 64, 0, 0);
-
- LOCK_HARDWARE(intel);
- driBOData(region->buffer,
- region->cpp * region->pitch * region->height, NULL, 0);
- UNLOCK_HARDWARE(intel);
-}
-
-/* Break the COW tie to the pbo. Both the pbo and the region end up
- * with a copy of the data.
- */
-static void
-intel_region_cow(struct pipe_context *pipe, struct pipe_region *region)
-{
- intelScreenPrivate *intelScreen = pipe_screen(pipe);
- struct intel_context *intel = intelScreenContext(intelScreen);
- struct intel_buffer_object *pbo = region->pbo;
-
- if (intel == NULL)
- return;
-
- pipe->region_release_pbo(pipe, region);
-
- assert(region->cpp * region->pitch * region->height == pbo->Base.Size);
-
- DBG("%s (%d bytes)\n", __FUNCTION__, pbo->Base.Size);
-
- /* Now blit from the texture buffer to the new buffer:
- */
-
- intel_batchbuffer_flush(intel->batch);
-
- if (!intel->locked) {
- LOCK_HARDWARE(intel);
- intelEmitCopyBlit(intel,
- region->cpp,
- region->pitch,
- region->buffer, 0,
- region->pitch,
- pbo->buffer, 0,
- 0, 0, 0, 0,
- region->pitch, region->height,
- GL_COPY);
-
- intel_batchbuffer_flush(intel->batch);
- UNLOCK_HARDWARE(intel);
- }
- else {
- intelEmitCopyBlit(intel,
- region->cpp,
- region->pitch,
- region->buffer, 0,
- region->pitch,
- pbo->buffer, 0,
- 0, 0, 0, 0,
- region->pitch, region->height,
- GL_COPY);
-
- intel_batchbuffer_flush(intel->batch);
- }
-}
static struct _DriBufferObject *
intel_region_buffer(struct pipe_context *pipe,
struct pipe_region *region, GLuint flag)
{
- if (region->pbo) {
- if (flag == INTEL_WRITE_PART)
- pipe->region_cow(pipe, region);
- else if (flag == INTEL_WRITE_FULL)
- pipe->region_release_pbo(pipe, region);
- }
-
return region->buffer;
}
@@ -507,9 +354,6 @@ intel_init_region_functions(struct pipe_context *pipe)
pipe->region_data = intel_region_data;
pipe->region_copy = intel_region_copy;
pipe->region_fill = intel_region_fill;
- pipe->region_cow = intel_region_cow;
- pipe->region_attach_pbo = intel_region_attach_pbo;
- pipe->region_release_pbo = intel_region_release_pbo;
pipe->region_buffer = intel_region_buffer;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-20 08:14:46 +0000