[Mesa-dev] [PATCH 2/2] st/mesa: expose ARB_ES2_compatibility if GL_FIXED vertex format is supported

[Brian Paul]

Reviewed-by: Brian Paul <brianp at vmware.com>

On 04/29/2011 10:13 AM, Marek Olšák wrote:
> Tested with softpipe and llvmpipe.
> ---
>   src/mesa/state_tracker/st_extensions.c |    6 ++++++
>   1 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
> index a5324df..030bbc7 100644
> --- a/src/mesa/state_tracker/st_extensions.c
> +++ b/src/mesa/state_tracker/st_extensions.c
> @@ -515,6 +515,12 @@ void st_init_extensions(struct st_context *st)
>         ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
>      }
>
> +   if (screen->is_format_supported(screen, PIPE_FORMAT_R32G32B32A32_FIXED,
> +                                   PIPE_BUFFER, 0,
> +                                   PIPE_BIND_VERTEX_BUFFER)) {
> +      ctx->Extensions.ARB_ES2_compatibility = GL_TRUE;
> +   }
> +
>      if (screen->get_shader_param(screen, PIPE_SHADER_GEOMETRY, PIPE_SHADER_CAP_MAX_INSTRUCTIONS)>  0) {
>   #if 0 /* XXX re-enable when GLSL compiler again supports geometry shaders */
>         ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;