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radeonsi: don't use staging texture when we can't blit

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Reviewed-by: David Rosca <david.rosca@amd.com>
Reviewed-by: Qiang Yu <yuq825@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41133>
This commit is contained in:
Pierre-Eric Pelloux-Prayer 2026-04-15 11:28:28 +02:00
parent 3a1c466084
commit 6e2d8c04be
2 changed files with 8 additions and 0 deletions
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4
src/gallium/drivers/radeonsi/si_buffer.c
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@ -57,6 +57,10 @@ void si_init_resource_fields(struct si_screen *sscreen, struct si_resource *res,
break;
}
/* If no compute/graphics -> use GTT since we can't copy/blit. */
if (!sscreen->has_gfx_compute)
res->domains = RADEON_DOMAIN_GTT;
if (res->b.b.target == PIPE_BUFFER && res->b.b.flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT) {
/* Use GTT for all persistent mappings with older
* kernels, because they didn't always flush the HDP

4
src/gallium/drivers/radeonsi/si_texture.c
View file

@ -2127,6 +2127,10 @@ static void *si_texture_transfer_map(struct pipe_context *ctx, struct pipe_resou
if (tex->is_depth || tex->buffer.flags & RADEON_FLAG_SPARSE) {
/* Depth and sparse textures use staging unconditionally. */
use_staging_texture = true;
} else if (!sctx->screen->has_gfx_compute) {
if (!tex->surface.is_linear)
return NULL;
use_staging_texture = false;
} else {
/* Degrade the tile mode if we get too many transfers on APUs.
* On dGPUs, the staging texture is always faster.