demos: check that GL version is 2.0 or higher

diff --git a/progs/tests/shader_api.c b/progs/tests/shader_api.c
index a513ca6..6453856 100644 (file)
--- a/progs/tests/shader_api.c
+++ b/progs/tests/shader_api.c
@@ -321,10 +321,18 @@ static void run_test(const char *name, void (*callback)(void))
 
 int main(int argc, char **argv)
 {
+   const char *version;
+
    glutInit(&argc, argv);
    glutCreateWindow("Mesa bug demo");
    glewInit();
 
+   version = (const char *) glGetString(GL_VERSION);
+   if (version[0] == '1') {
+      printf("Sorry, this test requires OpenGL 2.x GLSL support\n");
+      exit(0);
+   }
+
    RUN_TEST(test_uniform_size_type);
    RUN_TEST(test_attrib_size_type);
    RUN_TEST(test_uniform_array_overflow);