glsl: Add a has_tessellation_shader() helper.

Similar to has_geometry_shader(), has_compute_shader(), and so on.
This will make it easier to add more conditions here later.

Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Timothy Arceri <[email protected]>

1 files changed, 2 insertions, 4 deletions

diff --git a/src/compiler/glsl/builtin_variables.cpp b/src/compiler/glsl/builtin_variables.cpp
index f63dc3a0b16..20d1d75f596 100644
--- a/src/compiler/glsl/builtin_variables.cpp
+++ b/src/compiler/glsl/builtin_variables.cpp
@@ -861,8 +861,7 @@ builtin_variable_generator::generate_constants()
                    state->Const.MaxImageSamples);
       }
 
-      if (state->is_version(400, 0) ||
-          state->ARB_tessellation_shader_enable) {
+      if (state->has_tessellation_shader()) {
          add_const("gl_MaxTessControlImageUniforms",
                    state->Const.MaxTessControlImageUniforms);
          add_const("gl_MaxTessEvaluationImageUniforms",
@@ -880,8 +879,7 @@ builtin_variable_generator::generate_constants()
        state->ARB_viewport_array_enable)
       add_const("gl_MaxViewports", state->Const.MaxViewports);
 
-   if (state->is_version(400, 0) ||
-       state->ARB_tessellation_shader_enable) {
+   if (state->has_tessellation_shader()) {
       add_const("gl_MaxPatchVertices", state->Const.MaxPatchVertices);
       add_const("gl_MaxTessGenLevel", state->Const.MaxTessGenLevel);
       add_const("gl_MaxTessControlInputComponents", state->Const.MaxTessControlInputComponents);