Re: [Mesa-dev] [PATCH 1/2] nvc0/ir: Export viewport index in fragment shaders

On Wed, Apr 19, 2017 at 5:10 PM, Lyude wrote: > Since ABR_vertex_shader_layer/viewport_index enables the ability to > interact with gl_ViewportIndex from the fragment shader, we don't want > to skip emitting the viewport index for fragment shaders. > > As well, only save the

[Mesa-dev] [PATCH 1/2] nvc0/ir: Export viewport index in fragment shaders

Since ABR_vertex_shader_layer/viewport_index enables the ability to interact with gl_ViewportIndex from the fragment shader, we don't want to skip emitting the viewport index for fragment shaders. As well, only save the viewport index into a scratch register for Geometry shaders, since EMIT is