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amd/common: fix loading InstanceID for tess on < GFX9 

InstanceID is in VGPR2, not 1.

One more failure that CTS didn't catch up...

Reported-by: Alex Smith <asmith@feralinteractive.com>
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset 2018-01-11 14:56:07 +01:00
parent 5ba1a61648
commit 5842cb0df1
1 changed files with 1 additions and 2 deletions
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3
src/amd/common/ac_nir_to_llvm.c
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@ -6743,8 +6743,7 @@ LLVMModuleRef ac_translate_nir_to_llvm(LLVMTargetMachineRef tm,
ctx.abi.load_patch_vertices_in = load_patch_vertices_in;
} else if (shaders[i]->info.stage == MESA_SHADER_VERTEX) {
if (shader_info->info.vs.needs_instance_id) {
if (ctx.ac.chip_class == GFX9 &&
shaders[shader_count - 1]->info.stage == MESA_SHADER_TESS_CTRL) {
if (ctx.options->key.vs.as_ls) {
ctx.shader_info->vs.vgpr_comp_cnt =
MAX2(2, ctx.shader_info->vs.vgpr_comp_cnt);
} else {