[Mesa-dev] [PATCH 07/16] glsl: Merge blend_support qualifiers when linking.

[Francisco Jerez]

Kenneth Graunke <kenneth at whitecape.org> writes:

> Since each qualifier represents a blending mode the shader can be used
> with, we take the union of all possible modes when linking.
>
> Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>

Reviewed-by: Francisco Jerez <currojerez at riseup.net>

> ---
>  src/compiler/glsl/linker.cpp | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/src/compiler/glsl/linker.cpp b/src/compiler/glsl/linker.cpp
> index 10df74a..e8f2e29 100644
> --- a/src/compiler/glsl/linker.cpp
> +++ b/src/compiler/glsl/linker.cpp
> @@ -1880,6 +1880,7 @@ link_fs_inout_layout_qualifiers(struct gl_shader_program *prog,
>     linked_shader->info.uses_gl_fragcoord = false;
>     linked_shader->info.origin_upper_left = false;
>     linked_shader->info.pixel_center_integer = false;
> +   linked_shader->info.BlendSupport = 0;
>  
>     if (linked_shader->Stage != MESA_SHADER_FRAGMENT ||
>         (prog->Version < 150 && !prog->ARB_fragment_coord_conventions_enable))
> @@ -1938,6 +1939,7 @@ link_fs_inout_layout_qualifiers(struct gl_shader_program *prog,
>  
>        linked_shader->info.EarlyFragmentTests |=
>           shader->info.EarlyFragmentTests;
> +      linked_shader->info.BlendSupport |= shader->info.BlendSupport;
>     }
>  }
>  
> -- 
> 2.9.0
>
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