glsl/builtin types: Set the precision on the depth range params

The members of gl_DepthRangeParameters are declared to be highp in
GLSL ES specs.

Reviewed-by: Eric Anholt <eric@anholt.net>

diff --git a/src/compiler/glsl/builtin_types.cpp b/src/compiler/glsl/builtin_types.cpp
index b29d71fa0a502f79614e01838fc3d53c9244887b..d3a28acf27bc55592678e986c9e615517d9be5b4 100644 (file)
--- a/src/compiler/glsl/builtin_types.cpp
+++ b/src/compiler/glsl/builtin_types.cpp
@@ -53,9 +53,9 @@
       &glsl_type::_struct_##NAME##_type;
 
 static const struct glsl_struct_field gl_DepthRangeParameters_fields[] = {
-   glsl_struct_field(glsl_type::float_type, "near"),
-   glsl_struct_field(glsl_type::float_type, "far"),
-   glsl_struct_field(glsl_type::float_type, "diff"),
+   glsl_struct_field(glsl_type::float_type, GLSL_PRECISION_HIGH, "near"),
+   glsl_struct_field(glsl_type::float_type, GLSL_PRECISION_HIGH, "far"),
+   glsl_struct_field(glsl_type::float_type, GLSL_PRECISION_HIGH, "diff"),
 };
 
 static const struct glsl_struct_field gl_PointParameters_fields[] = {