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radeonsi: add si_can_use_compute_blit 

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16215>
This commit is contained in:
Marek Olšák 2022-04-24 04:18:01 -04:00
parent 350bdda83d
commit fbe973b66e
1 changed files with 26 additions and 5 deletions
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31
src/gallium/drivers/radeonsi/si_blit.c
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@ -882,6 +882,25 @@ struct texture_orig_info {
unsigned npix0_y;
};
static bool si_can_use_compute_blit(struct si_context *sctx, enum pipe_format format,
unsigned num_samples, bool is_store, bool has_dcc)
{
if (num_samples > 1)
return false;
if (util_format_is_depth_or_stencil(format))
return false;
/* Image stores support DCC since GFX10. */
if (has_dcc && is_store && sctx->chip_class < GFX10)
return false;
if (util_format_is_compressed(format))
return false;
return true;
}
static void si_use_compute_copy_for_float_formats(struct si_context *sctx,
struct pipe_resource *texture,
unsigned level)
@ -899,7 +918,9 @@ static void si_use_compute_copy_for_float_formats(struct si_context *sctx,
*/
if (vi_dcc_enabled(tex, level) &&
util_format_is_float(texture->format) &&
sctx->chip_class < GFX10) {
/* Check if disabling DCC enables the compute copy. */
!si_can_use_compute_blit(sctx, texture->format, texture->nr_samples, true, true) &&
si_can_use_compute_blit(sctx, texture->format, texture->nr_samples, true, false)) {
si_texture_disable_dcc(sctx, tex);
}
}
@ -926,10 +947,10 @@ void si_resource_copy_region(struct pipe_context *ctx, struct pipe_resource *dst
si_use_compute_copy_for_float_formats(sctx, dst, dst_level);
if (!util_format_is_compressed(src->format) && !util_format_is_compressed(dst->format) &&
!util_format_is_depth_or_stencil(src->format) && src->nr_samples <= 1 &&
/* DCC compression from image store is enabled for GFX10+. */
(!vi_dcc_enabled(sdst, dst_level) || sctx->chip_class >= GFX10) &&
if (si_can_use_compute_blit(sctx, dst->format, dst->nr_samples, true,
vi_dcc_enabled(sdst, dst_level)) &&
si_can_use_compute_blit(sctx, src->format, src->nr_samples, false,
vi_dcc_enabled(ssrc, src_level)) &&
!(dst->target != src->target &&
(src->target == PIPE_TEXTURE_1D_ARRAY || dst->target == PIPE_TEXTURE_1D_ARRAY))) {
si_compute_copy_image(sctx, dst, dst_level, src, src_level, dstx, dsty, dstz,