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-rw-r--r--src/glsl/ir_function.cpp8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/glsl/ir_function.cpp b/src/glsl/ir_function.cpp
index 2b2643c64a2..13194439003 100644
--- a/src/glsl/ir_function.cpp
+++ b/src/glsl/ir_function.cpp
@@ -148,9 +148,11 @@ get_parameter_match_type(const ir_variable *param,
if (from_type == to_type)
return PARAMETER_EXACT_MATCH;
- /* XXX: When ARB_gpu_shader_fp64 support is added, check for float->double,
- * and int/uint->double conversions
- */
+ if (to_type->base_type == GLSL_TYPE_DOUBLE) {
+ if (from_type->base_type == GLSL_TYPE_FLOAT)
+ return PARAMETER_FLOAT_TO_DOUBLE;
+ return PARAMETER_INT_TO_DOUBLE;
+ }
if (to_type->base_type == GLSL_TYPE_FLOAT)
return PARAMETER_INT_TO_FLOAT;