diff options
| -rw-r--r-- | src/mesa/shader/shader_api.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c index 3a067fe3e1..6cfdf57a49 100644 --- a/src/mesa/shader/shader_api.c +++ b/src/mesa/shader/shader_api.c @@ -1011,6 +1011,11 @@ _mesa_get_uniform_location(GLcontext *ctx, GLuint program, const GLchar *name) if (!shProg) return -1; + if (shProg->LinkStatus == GL_FALSE) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetUniformfv(program)"); + return -1; + } + /* XXX we should return -1 if the uniform was declared, but not * actually used. */ |