From: Nicolai Hähnle <nicolai.haeh...@amd.com> --- We will soon claim GLES 3.1 support, which requires gl_HelperInvocation, so now is the time to do this.
This depends on LLVM support: http://reviews.llvm.org/D19191 docs/GL3.txt | 2 +- src/gallium/drivers/radeonsi/si_shader.c | 11 +++++++++++ 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/docs/GL3.txt b/docs/GL3.txt index 6b5e016..d36c187 100644 --- a/docs/GL3.txt +++ b/docs/GL3.txt @@ -248,7 +248,7 @@ GLES3.1, GLSL ES 3.1 glMemoryBarrierByRegion DONE glGetTexLevelParameter[fi]v - needs updates DONE glGetBooleani_v - restrict to GLES enums - gl_HelperInvocation support DONE (i965, nvc0, r600) + gl_HelperInvocation support DONE (i965, nvc0, r600, radeonsi) GLES3.2, GLSL ES 3.2 GL_EXT_color_buffer_float DONE (all drivers) diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index de4c45c..dcbdde3 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -1314,6 +1314,17 @@ 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; -- 2.5.0 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
