diff options
author | Nicolai Hähnle <[email protected]> | 2016-04-16 13:00:12 -0500 |
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committer | Nicolai Hähnle <[email protected]> | 2016-04-21 23:14:04 -0500 |
commit | 39e9cf6cb18cc4e8ee828006107de42482668b81 (patch) | |
tree | 48609c82eae3dcb95b75b70c7eb4eb885cbe4929 /src | |
parent | 2bac561787a067da2100d495cb0ad9ee11c3ffff (diff) |
radeonsi: implement TGSI_SEMANTIC_HELPER_INVOCATION
Depends on LLVM support introduced in r267102.
Reviewed-by: Marek Olšák <[email protected]>
Diffstat (limited to 'src')
-rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index e277c2f3914..c6efbc13774 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -1333,6 +1333,17 @@ static void declare_system_value( value = LLVMGetParam(radeon_bld->main_fn, SI_PARAM_THREAD_ID); break; +#if HAVE_LLVM >= 0x0309 + case TGSI_SEMANTIC_HELPER_INVOCATION: + value = lp_build_intrinsic(gallivm->builder, + "llvm.amdgcn.ps.live", + ctx->i1, NULL, 0, + LLVMReadNoneAttribute | LLVMNoUnwindAttribute); + value = LLVMBuildNot(gallivm->builder, value, ""); + value = LLVMBuildSExt(gallivm->builder, value, ctx->i32, ""); + break; +#endif + default: assert(!"unknown system value"); return; |