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freedreno/query: align counter snapshot locations

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Some hw queries need their sample memory locations to have certain
alignment.  At the moment that isn't an issue, since the only hw query
is occlusion, so all samples have the same size.  But when others are
added with different sample sizes, this starts to be a problem.

All current and immediately upcoming hw queries simply need their
sample address aligned to their size, so let's use that for now.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark 2016-02-13 18:29:28 -05:00
parent 8529e210ec
commit 9d23d7b7cb
1 changed files with 2 additions and 0 deletions
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src/gallium/drivers/freedreno/freedreno_query_hw.c
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@ -295,6 +295,8 @@ fd_hw_sample_init(struct fd_context *ctx, uint32_t size)
struct fd_hw_sample *samp = util_slab_alloc(&ctx->sample_pool);
pipe_reference_init(&samp->reference, 1);
samp->size = size;
debug_assert(util_is_power_of_two(size));
ctx->next_sample_offset = align(ctx->next_sample_offset, size);
samp->offset = ctx->next_sample_offset;
/* NOTE: util_slab_alloc() does not zero out the buffer: */
samp->bo = NULL;