[Mesa-dev] [PATCH] mesa: Only require independent blending for GLES 3.2.

[Ilia Mirkin]

What es3 does require, though, is mrt. Maybe add something that ensures
that mrt is supported?

On Jan 19, 2018 08:39, "Eric Anholt" <eric at anholt.net> wrote:

> We've been requiring this since GLES 3.0 was introduced, but the GLES 3.2
> spec is the one that has "Supporting blending on a per-draw-buffer basis"
> in the new features.  V3D 3.3 would require lowering blending to shader
> code to implement independent blending.
> ---
>  src/mesa/main/version.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/mesa/main/version.c b/src/mesa/main/version.c
> index 68079f4ebbba..1fce8fe7ca9c 100644
> --- a/src/mesa/main/version.c
> +++ b/src/mesa/main/version.c
> @@ -516,7 +516,6 @@ compute_version_es2(const struct gl_extensions
> *extensions,
>                           extensions->ARB_texture_float &&
>                           extensions->ARB_texture_rg &&
>                           extensions->ARB_depth_buffer_float &&
> -                         extensions->EXT_draw_buffers2 &&
>                           /* extensions->ARB_framebuffer_object && */
>                           extensions->EXT_framebuffer_sRGB &&
>                           extensions->EXT_packed_float &&
> @@ -546,6 +545,7 @@ compute_version_es2(const struct gl_extensions
> *extensions,
>                           extensions->ARB_gpu_shader5 &&
>                           extensions->EXT_shader_integer_mix);
>     const bool ver_3_2 = (ver_3_1 &&
> +                         extensions->EXT_draw_buffers2 &&
>                           extensions->KHR_blend_equation_advanced &&
>                           extensions->KHR_robustness &&
>                           extensions->KHR_texture_compression_astc_ldr &&
> --
> 2.15.0
>
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