+#include "mfeatures.h"
+#include "mtypes.h"
+
+
+/**
+ * Return the string for a glGetString(GL_SHADING_LANGUAGE_VERSION) query.
+ */
+static const GLubyte *
+shading_language_version(struct gl_context *ctx)
+{
+ switch (ctx->API) {
+ case API_OPENGL:
+ if (!ctx->Extensions.ARB_shader_objects) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetString");
+ return (const GLubyte *) 0;
+ }
+
+ switch (ctx->Const.GLSLVersion) {
+ case 110:
+ return (const GLubyte *) "1.10";
+ case 120:
+ return (const GLubyte *) "1.20";
+ case 130:
+ return (const GLubyte *) "1.30";
+ default:
+ _mesa_problem(ctx,
+ "Invalid GLSL version in shading_language_version()");
+ return (const GLubyte *) 0;
+ }
+ break;
+
+ case API_OPENGLES2:
+ return (const GLubyte *) "OpenGL ES GLSL ES 1.0.16";
+
+ case API_OPENGLES:
+ /* fall-through */
+
+ default:
+ _mesa_problem(ctx, "Unexpected API value in shading_language_version()");
+ return (const GLubyte *) 0;
+ }
+}