Fixes piglit tests
clip-distance-explicit-too-large-with-access.{frag,vert} and
clip-distance-explicit-too-large.{frag,vert}.
---
src/glsl/ast_to_hir.cpp | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp
index fbb2c14..a4eaf85 100644
--- a/src/glsl/ast_to_hir.cpp
+++ b/src/glsl/ast_to_hir.cpp
@@ -912,6 +912,21 @@ check_builtin_array_max_size(const char *name, unsigned
size,
"be larger than gl_MaxTextureCoords (%u)\n",
state->Const.MaxTextureCoords);
return true;
+ } else if (strcmp("gl_ClipDistance", name) == 0
+ && size > state->Const.MaxClipPlanes) {
+ /* From section 7.1 (Vertex Shader Special Variables) of the
+ * GLSL 1.30 spec:
+ *
+ * "The gl_ClipDistance array is predeclared as unsized and
+ * must be sized by the shader either redeclaring it with a
+ * size or indexing it only with integral constant
+ * expressions. ... The size can be at most
+ * gl_MaxClipDistances."
+ */
+ _mesa_glsl_error(&loc, state, "`gl_ClipDistance' array size cannot "
+ "be larger than gl_MaxClipDistances (%u)\n",
+ state->Const.MaxClipPlanes);
+ return true;
}
return false;
}
--
1.7.6
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