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vc4: Handle a couple of the transfer map flags.

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This is part of fixing extremely long runtimes on some piglit tests that
involve streaming vertex reuploads due to format conversions, and will
similarly be important for X performance, which relies on these flags.
This commit is contained in:
Eric Anholt 2014-08-22 13:47:19 -07:00
parent 8f55174fbd
commit d71a9b7d9d
2 changed files with 12 additions and 4 deletions
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3
src/gallium/drivers/vc4/vc4_bufmgr.h
View file

@ -70,6 +70,9 @@ vc4_bo_reference(struct vc4_bo *bo)
static inline void
vc4_bo_unreference(struct vc4_bo **bo)
{
if (!*bo)
return;
if (pipe_reference(&(*bo)->reference, NULL))
vc4_bo_free(*bo);
*bo = NULL;

13
src/gallium/drivers/vc4/vc4_resource.c
View file

@ -73,15 +73,20 @@ vc4_resource_transfer_map(struct pipe_context *pctx,
enum pipe_format format = prsc->format;
char *buf;
vc4_flush_for_bo(pctx, rsc->bo);
if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) {
uint32_t size = rsc->bo->size;
vc4_bo_unreference(&rsc->bo);
rsc->bo = vc4_bo_alloc(vc4->screen, size, "resource");
}
if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED))
vc4_flush_for_bo(pctx, rsc->bo);
trans = util_slab_alloc(&vc4->transfer_pool);
if (!trans)
return NULL;
/* XXX: Handle DISCARD_WHOLE_RESOURCE, DONTBLOCK, UNSYNCHRONIZED,
* DISCARD_WHOLE_RESOURCE, PERSISTENT, COHERENT.
*/
/* XXX: Handle DONTBLOCK, DISCARD_RANGE, PERSISTENT, COHERENT. */
/* util_slab_alloc() doesn't zero: */
memset(trans, 0, sizeof(*trans));