diff options
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_shader.c')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 1d6dc7886ba..49c498da61e 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -94,7 +94,9 @@ struct si_shader_context LLVMTargetMachineRef tm; + unsigned uniform_md_kind; LLVMValueRef const_md; + LLVMValueRef empty_md; LLVMValueRef const_buffers[SI_NUM_CONST_BUFFERS]; LLVMValueRef lds; LLVMValueRef *constants[SI_NUM_CONST_BUFFERS]; @@ -373,9 +375,12 @@ static void build_indexed_store(struct si_shader_context *ctx, * * \param base_ptr Where the array starts. * \param index The element index into the array. + * \param uniform Whether the base_ptr and index can be assumed to be + * dynamically uniform */ static LLVMValueRef build_indexed_load(struct si_shader_context *ctx, - LLVMValueRef base_ptr, LLVMValueRef index) + LLVMValueRef base_ptr, LLVMValueRef index, + bool uniform) { struct lp_build_tgsi_context *bld_base = &ctx->radeon_bld.soa.bld_base; struct gallivm_state *gallivm = bld_base->base.gallivm; @@ -385,18 +390,20 @@ static LLVMValueRef build_indexed_load(struct si_shader_context *ctx, indices[1] = index; pointer = LLVMBuildGEP(gallivm->builder, base_ptr, indices, 2, ""); + if (uniform) + LLVMSetMetadata(pointer, ctx->uniform_md_kind, ctx->empty_md); return LLVMBuildLoad(gallivm->builder, pointer, ""); } /** * Do a load from &base_ptr[index], but also add a flag that it's loading - * a constant. + * a constant from a dynamically uniform index. */ static LLVMValueRef build_indexed_load_const( struct si_shader_context *ctx, LLVMValueRef base_ptr, LLVMValueRef index) { - LLVMValueRef result = build_indexed_load(ctx, base_ptr, index); + LLVMValueRef result = build_indexed_load(ctx, base_ptr, index, true); LLVMSetMetadata(result, 1, ctx->const_md); return result; } @@ -679,12 +686,12 @@ static LLVMValueRef lds_load(struct lp_build_tgsi_context *bld_base, dw_addr = lp_build_add(&bld_base->uint_bld, dw_addr, lp_build_const_int32(gallivm, swizzle)); - value = build_indexed_load(ctx, ctx->lds, dw_addr); + value = build_indexed_load(ctx, ctx->lds, dw_addr, false); if (type == TGSI_TYPE_DOUBLE) { LLVMValueRef value2; dw_addr = lp_build_add(&bld_base->uint_bld, dw_addr, lp_build_const_int32(gallivm, swizzle + 1)); - value2 = build_indexed_load(ctx, ctx->lds, dw_addr); + value2 = build_indexed_load(ctx, ctx->lds, dw_addr, false); return radeon_llvm_emit_fetch_double(bld_base, value, value2); } @@ -4885,6 +4892,11 @@ static void create_meta_data(struct si_shader_context *ctx) args[2] = lp_build_const_int32(gallivm, 1); ctx->const_md = LLVMMDNodeInContext(gallivm->context, args, 3); + + ctx->uniform_md_kind = LLVMGetMDKindIDInContext(gallivm->context, + "amdgpu.uniform", 14); + + ctx->empty_md = LLVMMDNodeInContext(gallivm->context, NULL, 0); } static void declare_streamout_params(struct si_shader_context *ctx, |