Module: Mesa
Branch: master
Commit: 0dd8189f159258ad8684036b0d696dbb58a268ca
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=0dd8189f159258ad8684036b0d696dbb58a268ca

Author: Bas Nieuwenhuizen <[email protected]>
Date:   Sun Sep 16 12:28:33 2018 +0200

radv: Only allow 16 user SGPRs for compute on GFX9+.

Apparently for compute there are only 16 instead of the 32 for the
graphics path.

Fixes 
dEQP-VK.binding_model.descriptorset_random.sets16.noarray.ubolimitlow.sbolimitlow.imglimitlow.noiub.comp.0

CC: <[email protected]>
Reviewed-by: Samuel Pitoiset <[email protected]>

---

 src/amd/vulkan/radv_nir_to_llvm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/amd/vulkan/radv_nir_to_llvm.c 
b/src/amd/vulkan/radv_nir_to_llvm.c
index 968d96fc05..32d347ebd0 100644
--- a/src/amd/vulkan/radv_nir_to_llvm.c
+++ b/src/amd/vulkan/radv_nir_to_llvm.c
@@ -689,7 +689,7 @@ static void allocate_user_sgprs(struct radv_shader_context 
*ctx,
        if (ctx->shader_info->info.loads_push_constants)
                user_sgpr_count += HAVE_32BIT_POINTERS ? 1 : 2;
 
-       uint32_t available_sgprs = ctx->options->chip_class >= GFX9 ? 32 : 16;
+       uint32_t available_sgprs = ctx->options->chip_class >= GFX9 && stage != 
MESA_SHADER_COMPUTE ? 32 : 16;
        uint32_t remaining_sgprs = available_sgprs - user_sgpr_count;
        uint32_t num_desc_set =
                util_bitcount(ctx->shader_info->info.desc_set_used_mask);

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