radeonsi: implement gl_SampleMaskIn
Reviewed-by: Glenn Kennard <glenn.kennard@gmail.com>
diff --git a/docs/GL3.txt b/docs/GL3.txt
index 289dd36..267740a 100644
--- a/docs/GL3.txt
+++ b/docs/GL3.txt
@@ -106,7 +106,7 @@
- Enhanced textureGather DONE (r600, radeonsi)
- Geometry shader instancing DONE (r600)
- Geometry shader multiple streams DONE ()
- - Enhanced per-sample shading DONE (r600)
+ - Enhanced per-sample shading DONE (r600, radeonsi)
- Interpolation functions DONE (r600)
- New overload resolution rules DONE
GL_ARB_gpu_shader_fp64 DONE (nvc0, softpipe)
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 0ef58a7..e70a318 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -643,6 +643,10 @@
break;
}
+ case TGSI_SEMANTIC_SAMPLEMASK:
+ value = LLVMGetParam(radeon_bld->main_fn, SI_PARAM_SAMPLE_COVERAGE);
+ break;
+
default:
assert(!"unknown system value");
return;