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radv/gfx10: do not declare LDS for NGG if useless

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Only needed for NGG without passthrough mode or for NGG streamout.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset 2020-01-08 08:39:10 +01:00
parent 0758f645d0
commit 471738e97b
1 changed files with 9 additions and 6 deletions
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15
src/amd/vulkan/radv_nir_to_llvm.c
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@ -4084,16 +4084,19 @@ LLVMModuleRef ac_translate_nir_to_llvm(struct ac_llvm_compiler *ac_llvm,
* Add an extra dword per vertex to ensure an odd stride, which
* avoids bank conflicts for SoA accesses.
*/
declare_esgs_ring(&ctx);
if (!args->options->key.vs_common_out.as_ngg_passthrough)
declare_esgs_ring(&ctx);
/* This is really only needed when streamout and / or vertex
* compaction is enabled.
*/
LLVMTypeRef asi32 = LLVMArrayType(ctx.ac.i32, 8);
ctx.gs_ngg_scratch = LLVMAddGlobalInAddressSpace(ctx.ac.module,
asi32, "ngg_scratch", AC_ADDR_SPACE_LDS);
LLVMSetInitializer(ctx.gs_ngg_scratch, LLVMGetUndef(asi32));
LLVMSetAlignment(ctx.gs_ngg_scratch, 4);
if (args->shader_info->so.num_outputs) {
LLVMTypeRef asi32 = LLVMArrayType(ctx.ac.i32, 8);
ctx.gs_ngg_scratch = LLVMAddGlobalInAddressSpace(ctx.ac.module,
asi32, "ngg_scratch", AC_ADDR_SPACE_LDS);
LLVMSetInitializer(ctx.gs_ngg_scratch, LLVMGetUndef(asi32));
LLVMSetAlignment(ctx.gs_ngg_scratch, 4);
}
}
for(int i = 0; i < shader_count; ++i) {