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radeonsi: allow DCC_DECOMPRESS via CB with MSAA textures

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The shader-based codepath doesn't support it.

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10003>
This commit is contained in:
Marek Olšák 2021-03-23 22:53:00 -04:00 • committed by Marge Bot
parent 8277732358
commit ec42f52013
1 changed files with 3 additions and 2 deletions
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5
src/gallium/drivers/radeonsi/si_blit.c
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@ -440,7 +440,7 @@ static void si_blit_decompress_color(struct si_context *sctx, struct si_texture
first_level, last_level, level_mask);
if (need_dcc_decompress) {
assert(sctx->chip_class == GFX8);
assert(sctx->chip_class == GFX8 || tex->buffer.b.b.nr_storage_samples >= 2);
custom_blend = sctx->custom_blend_dcc_decompress;
assert(vi_dcc_enabled(tex, first_level));
@ -1327,11 +1327,12 @@ void si_decompress_dcc(struct si_context *sctx, struct si_texture *tex)
if (!tex->surface.meta_offset || !sctx->has_graphics)
return;
if (sctx->chip_class == GFX8) {
if (sctx->chip_class == GFX8 || tex->buffer.b.b.nr_storage_samples >= 2) {
si_blit_decompress_color(sctx, tex, 0, tex->buffer.b.b.last_level, 0,
util_max_layer(&tex->buffer.b.b, 0), true, false);
} else {
struct pipe_resource *ptex = &tex->buffer.b.b;
assert(ptex->nr_storage_samples <= 1);
/* DCC decompression using a compute shader. */
for (unsigned level = 0; level < tex->surface.num_meta_levels; level++) {