[Mesa-dev] [PATCH] glsl_to_tgsi: set correct register type for dereferenced array elements

[Bryan Cain]

---
 src/mesa/state_tracker/st_glsl_to_tgsi.cpp |    8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 9146f24..caa7e94 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -633,6 +633,11 @@ glsl_to_tgsi_visitor::get_opcode(ir_instruction *ir, unsigned op,
 {
    int type = GLSL_TYPE_FLOAT;
    
+   assert(src0.type != GLSL_TYPE_ARRAY);
+   assert(src0.type != GLSL_TYPE_STRUCT);
+   assert(src1.type != GLSL_TYPE_ARRAY);
+   assert(src1.type != GLSL_TYPE_STRUCT);
+
    if (src0.type == GLSL_TYPE_FLOAT || src1.type == GLSL_TYPE_FLOAT)
       type = GLSL_TYPE_FLOAT;
    else if (native_integers)
@@ -2042,6 +2047,9 @@ glsl_to_tgsi_visitor::visit(ir_dereference_array *ir)
    else
       src.swizzle = SWIZZLE_NOOP;
 
+   /* Change the register type to the element type of the array. */
+   src.type = ir->array->type->element_type()->base_type;
+
    this->result = src;
 }
 
-- 
1.7.9.5