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asahi: Clamp index buffer extent to what's read

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This makes for cleaner agxdecodes, I think this matches what I've seen on the
macOS side but I might be misremembering. Certainly shouldn't hurt.

This only applies for direct draws.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
This commit is contained in:
Alyssa Rosenzweig 2023-08-30 20:29:43 -04:00
parent 2be9b66cdd
commit cb14cddfa5
1 changed files with 3 additions and 2 deletions
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5
src/gallium/drivers/asahi/agx_state.c
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@ -2961,14 +2961,15 @@ agx_index_buffer_direct_ptr(struct agx_batch *batch,
const struct pipe_draw_info *info, size_t *extent)
{
off_t offset = draw->start * info->index_size;
uint32_t max_extent = draw->count * info->index_size;
if (!info->has_user_indices) {
uint64_t base = agx_index_buffer_rsrc_ptr(batch, info, extent);
*extent = ALIGN_POT(*extent - offset, 4);
*extent = ALIGN_POT(MIN2(*extent - offset, max_extent), 4);
return base + offset;
} else {
*extent = ALIGN_POT(draw->count * info->index_size, 4);
*extent = ALIGN_POT(max_extent, 4);
return agx_pool_upload_aligned(&batch->pool,
((uint8_t *)info->index.user) + offset,