[Mesa-dev] [PATCH 22/22] st/dri: Add option to control exposure of 10 bpc color configs.

Marek Olšák maraeo at gmail.com
Wed Dec 13 16:27:21 UTC 2017


Mario, can we push these patches?

Marek

On Wed, Nov 29, 2017 at 5:21 AM, Mario Kleiner
<mario.kleiner.de at gmail.com> wrote:
> Some clients may not like rgb10 fbconfigs and visuals.
> Support driconf option 'allow_rgb10_configs' on gallium
> to allow per application enable/disable.
>
> The option defaults to enabled.
>
> Signed-off-by: Mario Kleiner <mario.kleiner.de at gmail.com>
> ---
>  src/gallium/auxiliary/pipe-loader/driinfo_gallium.h | 1 +
>  src/gallium/state_trackers/dri/dri_screen.c         | 8 ++++++++
>  2 files changed, 9 insertions(+)
>
> diff --git a/src/gallium/auxiliary/pipe-loader/driinfo_gallium.h b/src/gallium/auxiliary/pipe-loader/driinfo_gallium.h
> index d2d2c9d..db0d633 100644
> --- a/src/gallium/auxiliary/pipe-loader/driinfo_gallium.h
> +++ b/src/gallium/auxiliary/pipe-loader/driinfo_gallium.h
> @@ -31,4 +31,5 @@ DRI_CONF_SECTION_END
>  DRI_CONF_SECTION_MISCELLANEOUS
>     DRI_CONF_ALWAYS_HAVE_DEPTH_BUFFER("false")
>     DRI_CONF_GLSL_ZERO_INIT("false")
> +   DRI_CONF_ALLOW_RGB10_CONFIGS("true")
>  DRI_CONF_SECTION_END
> diff --git a/src/gallium/state_trackers/dri/dri_screen.c b/src/gallium/state_trackers/dri/dri_screen.c
> index 04afe71..d307b4f 100644
> --- a/src/gallium/state_trackers/dri/dri_screen.c
> +++ b/src/gallium/state_trackers/dri/dri_screen.c
> @@ -156,6 +156,7 @@ dri_fill_in_modes(struct dri_screen *screen)
>     struct pipe_screen *p_screen = screen->base.screen;
>     boolean pf_z16, pf_x8z24, pf_z24x8, pf_s8z24, pf_z24s8, pf_z32;
>     boolean mixed_color_depth;
> +   boolean allow_rgb10;
>
>     static const GLenum back_buffer_modes[] = {
>        __DRI_ATTRIB_SWAP_NONE, __DRI_ATTRIB_SWAP_UNDEFINED,
> @@ -172,6 +173,8 @@ dri_fill_in_modes(struct dri_screen *screen)
>        depth_buffer_factor = 1;
>     }
>
> +   allow_rgb10 = driQueryOptionb(&screen->dev->option_cache, "allow_rgb10_configs");
> +
>     msaa_samples_max = (screen->st_api->feature_mask & ST_API_FEATURE_MS_VISUALS_MASK)
>        ? MSAA_VISUAL_MAX_SAMPLES : 1;
>
> @@ -231,6 +234,11 @@ dri_fill_in_modes(struct dri_screen *screen)
>        unsigned num_msaa_modes = 0; /* includes a single-sample mode */
>        uint8_t msaa_modes[MSAA_VISUAL_MAX_SAMPLES];
>
> +      if (!allow_rgb10 &&
> +          (mesa_formats[format] == MESA_FORMAT_B10G10R10A2_UNORM ||
> +           mesa_formats[format] == MESA_FORMAT_B10G10R10X2_UNORM))
> +         continue;
> +
>        if (!p_screen->is_format_supported(p_screen, pipe_formats[format],
>                                           PIPE_TEXTURE_2D, 0,
>                                           PIPE_BIND_RENDER_TARGET))
> --
> 2.7.4
>
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