On 05/26/2014 01:32 AM, Tapani Pälli wrote:
> Support inactive uniforms that have explicit location set in
> glUniform* functions.
>
> v2: remove unnecessary extension check, use new define (Ian)
>
> Signed-off-by: Tapani Pälli <tapani.pa...@intel.com>
Reviewed-by: Ian Romanick <ian.d.roman...@intel.com>
> ---
> src/mesa/main/uniform_query.cpp | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/src/mesa/main/uniform_query.cpp b/src/mesa/main/uniform_query.cpp
> index 5f1af08..480bc6f 100644
> --- a/src/mesa/main/uniform_query.cpp
> +++ b/src/mesa/main/uniform_query.cpp
> @@ -253,6 +253,21 @@ validate_uniform_parameters(struct gl_context *ctx,
> return false;
> }
>
> + /* If the driver storage pointer in remap table is -1, we ignore silently.
> + *
> + * GL_ARB_explicit_uniform_location spec says:
> + * "What happens if Uniform* is called with an explicitly defined
> + * uniform location, but that uniform is deemed inactive by the
> + * linker?
> + *
> + * RESOLVED: The call is ignored for inactive uniform variables and
> + * no error is generated."
> + *
> + */
> + if (shProg->UniformRemapTable[location] ==
> + INACTIVE_UNIFORM_EXPLICIT_LOCATION)
> + return false;
> +
> _mesa_uniform_split_location_offset(shProg, location, loc, array_index);
>
> if (shProg->UniformStorage[*loc].array_elements == 0 && count > 1) {
>
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