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ac/nir: Fix up GS input vgprs.

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Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Bas Nieuwenhuizen 2017-10-20 02:49:57 +02:00 • committed by Dave Airlie
parent d4ecc3c929
commit 9961ae2447
1 changed files with 15 additions and 0 deletions
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15
src/amd/common/ac_nir_to_llvm.c
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@ -6484,6 +6484,19 @@ static void ac_nir_fixup_ls_hs_input_vgprs(struct nir_to_llvm_context *ctx)
ctx->abi.vertex_id = LLVMBuildSelect(ctx->ac.builder, hs_empty, ctx->tcs_patch_id, ctx->abi.vertex_id, "");
}
static void prepare_gs_input_vgprs(struct nir_to_llvm_context *ctx)
{
for(int i = 5; i >= 0; --i) {
ctx->gs_vtx_offset[i] = ac_build_bfe(&ctx->ac, ctx->gs_vtx_offset[i & ~1],
LLVMConstInt(ctx->ac.i32, (i & 1) * 16, false),
LLVMConstInt(ctx->ac.i32, 16, false), false);
}
ctx->gs_wave_id = ac_build_bfe(&ctx->ac, ctx->merged_wave_info,
LLVMConstInt(ctx->ac.i32, 16, false),
LLVMConstInt(ctx->ac.i32, 8, false), false);
}
void ac_nir_translate(struct ac_llvm_context *ac, struct ac_shader_abi *abi,
struct nir_shader *nir, struct nir_to_llvm_context *nctx)
{
@ -6636,6 +6649,8 @@ LLVMModuleRef ac_translate_nir_to_llvm(LLVMTargetMachineRef tm,
handle_fs_inputs(&ctx, shaders[i]);
else if(shaders[i]->stage == MESA_SHADER_VERTEX)
handle_vs_inputs(&ctx, shaders[i]);
else if(shader_count >= 2 && shaders[i]->stage == MESA_SHADER_GEOMETRY)
prepare_gs_input_vgprs(&ctx);
nir_foreach_variable(variable, &shaders[i]->outputs)
scan_shader_output_decl(&ctx, variable, shaders[i], shaders[i]->stage);