gl_NumSamples should only be enabled when ARB_sample_shading is enabled, and only in the fragment shader. Move to the generate_fs_special_vars function, next to the other ARB_sample_shading-provided variables.
Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu> --- src/glsl/builtin_variables.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/glsl/builtin_variables.cpp b/src/glsl/builtin_variables.cpp index c52b252..d2acbac 100644 --- a/src/glsl/builtin_variables.cpp +++ b/src/glsl/builtin_variables.cpp @@ -764,7 +764,6 @@ builtin_variable_generator::generate_constants() void builtin_variable_generator::generate_uniforms() { - add_uniform(int_t, "gl_NumSamples"); add_uniform(type("gl_DepthRangeParameters"), "gl_DepthRange"); add_uniform(array(vec4_t, VERT_ATTRIB_MAX), "gl_CurrentAttribVertMESA"); add_uniform(array(vec4_t, VARYING_SLOT_MAX), "gl_CurrentAttribFragMESA"); @@ -947,6 +946,7 @@ builtin_variable_generator::generate_fs_special_vars() } if (state->is_version(400, 0) || state->ARB_sample_shading_enable) { + add_uniform(int_t, "gl_NumSamples"); add_system_value(SYSTEM_VALUE_SAMPLE_ID, int_t, "gl_SampleID"); add_system_value(SYSTEM_VALUE_SAMPLE_POS, vec2_t, "gl_SamplePosition"); /* From the ARB_sample_shading specification: -- 2.3.6 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev