On Thu, Aug 28, 2014 at 9:58 AM, Tapani Pälli <tapani.pa...@intel.com> wrote:
> Remap table for uniforms may contain empty entries when using explicit
> uniform locations. If no active/inactive variable exists with given
> location, remap table contains NULL.
>
> Signed-off-by: Tapani Pälli <tapani.pa...@intel.com>
> ---
> src/mesa/main/uniform_query.cpp | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/mesa/main/uniform_query.cpp b/src/mesa/main/uniform_query.cpp
> index 4cd2bca..5dcb528 100644
> --- a/src/mesa/main/uniform_query.cpp
> +++ b/src/mesa/main/uniform_query.cpp
> @@ -239,7 +239,7 @@ validate_uniform_parameters(struct gl_context *ctx,
> * - if count is greater than one, and the uniform declared in the
> * shader is not an array variable,
> */
> - if (location < -1) {
> + if (location < -1 || !shProg->UniformRemapTable[location]) {
> _mesa_error(ctx, GL_INVALID_OPERATION, "%s(location=%d)",
> caller, location);
Nice. But shouldn't the the error-message be updated? With a location
smaller than -1, it's very clear what's wrong. But when triggering the
introduced condition, it's not. I think some wording should be added
to make it clear that the location does not exist.
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