glsl: add EXT_clip_cull_distance support based on ARB_cull_distance

Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Dave Airlie <[email protected]>

1 files changed, 8 insertions, 4 deletions

diff --git a/src/compiler/glsl/builtin_variables.cpp b/src/compiler/glsl/builtin_variables.cpp
index ff8a7e2db5e..c6668e86517 100644
--- a/src/compiler/glsl/builtin_variables.cpp
+++ b/src/compiler/glsl/builtin_variables.cpp
@@ -674,11 +674,14 @@ builtin_variable_generator::generate_constants()
                 state->Const.MaxProgramTexelOffset);
    }
 
-   if (state->is_version(130, 0)) {
+   if (state->is_version(130, 0) || state->EXT_clip_cull_distance_enable) {
       add_const("gl_MaxClipDistances", state->Const.MaxClipPlanes);
+   }
+   if (state->is_version(130, 0)) {
       add_const("gl_MaxVaryingComponents", state->ctx->Const.MaxVarying * 4);
    }
-   if (state->is_version(450, 0) || state->ARB_cull_distance_enable) {
+   if (state->is_version(450, 0) || state->ARB_cull_distance_enable ||
+       state->EXT_clip_cull_distance_enable) {
       add_const("gl_MaxCullDistances", state->Const.MaxClipPlanes);
       add_const("gl_MaxCombinedClipAndCullDistances",
                 state->Const.MaxClipPlanes);
@@ -1250,11 +1253,12 @@ builtin_variable_generator::generate_varyings()
       }
    }
 
-   if (state->is_version(130, 0)) {
+   if (state->is_version(130, 0) || state->EXT_clip_cull_distance_enable) {
        add_varying(VARYING_SLOT_CLIP_DIST0, array(float_t, 0),
                    "gl_ClipDistance");
    }
-   if (state->is_version(450, 0) || state->ARB_cull_distance_enable) {
+   if (state->is_version(450, 0) || state->ARB_cull_distance_enable ||
+       state->EXT_clip_cull_distance_enable) {
       add_varying(VARYING_SLOT_CULL_DIST0, array(float_t, 0),
                    "gl_CullDistance");
    }