[Mesa-dev] [PATCH 09/20] mesa: add inline conversion functions for ARB_shader_subroutine

[Ilia Mirkin]

On Tue, Jul 21, 2015 at 1:19 AM, Dave Airlie <airlied at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com>
>
> This handles converting the shader stages to the internal
> prefix along with the program resource interfaces.
>
> Reviewed-by: Chris Forbes <chrisf at ijw.co.nz>
> Signed-off-by: Dave Airlie <airlied at redhat.com>
> ---
>  src/mesa/main/shaderobj.h | 84 +++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 84 insertions(+)
>
> diff --git a/src/mesa/main/shaderobj.h b/src/mesa/main/shaderobj.h
> index 3d696a1..67c717b 100644
> --- a/src/mesa/main/shaderobj.h
> +++ b/src/mesa/main/shaderobj.h
> @@ -120,6 +120,90 @@ _mesa_shader_enum_to_shader_stage(GLenum v)
>  }
>
>
> +static inline const char *
> +_mesa_shader_stage_to_subroutine_prefix(gl_shader_stage stage)
> +{
> +  switch (stage) {
> +  case MESA_SHADER_VERTEX:
> +    return "__subu_v";
> +  case MESA_SHADER_GEOMETRY:
> +    return "__subu_g";
> +  case MESA_SHADER_FRAGMENT:
> +    return "__subu_f";
> +  case MESA_SHADER_COMPUTE:
> +    return "__subu_c";
> +  default:
> +    return NULL;
> +  }
> +}
> +
> +static inline gl_shader_stage
> +_mesa_shader_stage_from_subroutine_uniform(GLenum subuniform)
> +{
> +   switch (subuniform) {
> +   default:
> +   case GL_VERTEX_SUBROUTINE_UNIFORM:
> +      return MESA_SHADER_VERTEX;
> +   case GL_GEOMETRY_SUBROUTINE_UNIFORM:
> +      return MESA_SHADER_GEOMETRY;
> +   case GL_FRAGMENT_SUBROUTINE_UNIFORM:
> +      return MESA_SHADER_FRAGMENT;
> +   case GL_COMPUTE_SUBROUTINE_UNIFORM:
> +      return MESA_SHADER_COMPUTE;
> +   /* TODO - COMPUTE, TESS */

Compute seems to be done already...

> +   }
> +}
> +
> +static inline gl_shader_stage
> +_mesa_shader_stage_from_subroutine(GLenum subroutine)
> +{
> +   switch (subroutine) {
> +   case GL_VERTEX_SUBROUTINE:
> +      return MESA_SHADER_VERTEX;
> +   case GL_GEOMETRY_SUBROUTINE:
> +      return MESA_SHADER_GEOMETRY;
> +   case GL_FRAGMENT_SUBROUTINE:
> +      return MESA_SHADER_FRAGMENT;
> +   case GL_COMPUTE_SUBROUTINE:
> +      return MESA_SHADER_COMPUTE;
> +   /* TODO - TESS */
> +   }
> +}
> +
> +static inline GLenum
> +_mesa_shader_stage_to_subroutine(gl_shader_stage stage)
> +{
> +   switch (stage) {
> +   default:
> +   case MESA_SHADER_VERTEX:
> +      return GL_VERTEX_SUBROUTINE;
> +   case MESA_SHADER_GEOMETRY:
> +      return GL_GEOMETRY_SUBROUTINE;
> +   case MESA_SHADER_FRAGMENT:
> +      return GL_FRAGMENT_SUBROUTINE;
> +   case MESA_SHADER_COMPUTE:
> +      return GL_COMPUTE_SUBROUTINE;
> +   /* TODO - TESS */
> +   }
> +}
> +
> +static inline GLenum
> +_mesa_shader_stage_to_subroutine_uniform(gl_shader_stage stage)
> +{
> +   switch (stage) {
> +   default:
> +   case MESA_SHADER_VERTEX:
> +      return GL_VERTEX_SUBROUTINE_UNIFORM;
> +   case MESA_SHADER_GEOMETRY:
> +      return GL_GEOMETRY_SUBROUTINE_UNIFORM;
> +   case MESA_SHADER_FRAGMENT:
> +      return GL_FRAGMENT_SUBROUTINE_UNIFORM;
> +   case MESA_SHADER_COMPUTE:
> +      return GL_COMPUTE_SUBROUTINE_UNIFORM;
> +   /* TODO - TESS */
> +   }
> +}
> +
>  #ifdef __cplusplus
>  }
>  #endif
> --
> 2.4.3
>
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