[Mesa-dev] [PATCH 07/13] radeonsi: fix VertexID for OpenGL

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

This fixes all failing piglit VertexID tests.

Cc: 10.4 <mesa-stable at lists.freedesktop.org>
---
 src/gallium/drivers/radeonsi/si_shader.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index aa051cb..fb479d5 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -591,8 +591,11 @@ static void declare_system_value(
 		break;
 
 	case TGSI_SEMANTIC_VERTEXID:
-		value = LLVMGetParam(radeon_bld->main_fn,
-				     si_shader_ctx->param_vertex_id);
+		value = LLVMBuildAdd(gallivm->builder,
+				     LLVMGetParam(radeon_bld->main_fn,
+						  si_shader_ctx->param_vertex_id),
+				     LLVMGetParam(radeon_bld->main_fn,
+						  SI_PARAM_BASE_VERTEX), "");
 		break;
 
 	case TGSI_SEMANTIC_SAMPLEID:
-- 
2.1.0