On Sun, Apr 5, 2015 at 2:48 AM, Dave Airlie <airl...@gmail.com> wrote:
> if we support stencil texturing, enable texture_stencil8
> there is no requirement to support native S8 for this,
> the texture can be converted to x24s8 fine.
>
> Signed-off-by: Dave Airlie <airl...@redhat.com>
> ---
> src/mesa/state_tracker/st_extensions.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/src/mesa/state_tracker/st_extensions.c
> b/src/mesa/state_tracker/st_extensions.c
> index bc20f73..1867bf3 100644
> --- a/src/mesa/state_tracker/st_extensions.c
> +++ b/src/mesa/state_tracker/st_extensions.c
> @@ -502,6 +502,8 @@ void st_init_extensions(struct pipe_screen *screen,
> { { o(ARB_depth_buffer_float) },
> { PIPE_FORMAT_Z32_FLOAT,
> PIPE_FORMAT_Z32_FLOAT_S8X24_UINT } },
> + { { o(ARB_texture_stencil8) },
> + { PIPE_FORMAT_S8_UINT } },
> };
>
> /* Required: sampler support */
> @@ -558,7 +560,8 @@ void st_init_extensions(struct pipe_screen *screen,
>
> { { o(ARB_stencil_texturing) },
> { PIPE_FORMAT_X24S8_UINT,
> - PIPE_FORMAT_S8X24_UINT },
> + PIPE_FORMAT_S8X24_UINT,
> + PIPE_FORMAT_S8_UINT },
S8_UINT has nothing to do with ARB_stencil_texturing -- that's just
about packed depth stencil.
> GL_TRUE }, /* at least one format must be supported */
> };
>
> @@ -650,6 +653,9 @@ void st_init_extensions(struct pipe_screen *screen,
> ARRAY_SIZE(vertex_mapping), PIPE_BUFFER,
> PIPE_BIND_VERTEX_BUFFER);
>
> + if (extensions->ARB_stencil_texturing)
> + extensions->ARB_texture_stencil8 = GL_TRUE;
Where do you set texobj->StencilTexturing = true to support this?
> +
> /* Figure out GLSL support. */
> glsl_feature_level = screen->get_param(screen,
> PIPE_CAP_GLSL_FEATURE_LEVEL);
>
> --
> 1.9.3
>
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