[Mesa-dev] [PATCH 07/14] i965/meta_util: Re-enable sRGB-encoded fast-clears on CNL
Jason Ekstrand
jason at jlekstrand.net
Tue Apr 3 22:31:36 UTC 2018
2-7 are
Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>
On Fri, Mar 30, 2018 at 11:12 AM, Nanley Chery <nanleychery at gmail.com>
wrote:
> The paths which sample with the clear color are now using a getter which
> performs the sRGB decode needed to enable this fast clear.
>
> This path can be exercised by fast-clearing a texture, then performing
> an operation which requires sRGB decoding. Test coverage for this
> feature is provided with the following tests:
>
> * Shader texture calls:
> - spec at ext_texture_srgb@tex-srgb
>
> * Shader texelfetch calls:
> - spec at arb_framebuffer_srgb@fbo-fast-clear
> - spec at arb_framebuffer_srgb@msaa-fast-clear
>
> * Blending:
> - spec at arb_framebuffer_srgb@arb_framebuffer_srgb-fast-clear-blend
>
> * Blitting:
> - spec at arb_framebuffer_srgb@blit texture srgb msaa enabled clear
> ---
> src/mesa/drivers/dri/i965/brw_meta_util.c | 11 -----------
> 1 file changed, 11 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_meta_util.c
> b/src/mesa/drivers/dri/i965/brw_meta_util.c
> index b31181521c7..d292f5a8e24 100644
> --- a/src/mesa/drivers/dri/i965/brw_meta_util.c
> +++ b/src/mesa/drivers/dri/i965/brw_meta_util.c
> @@ -293,18 +293,7 @@ brw_is_color_fast_clear_compatible(struct
> brw_context *brw,
> brw->mesa_to_isl_render_format[mt->format])
> return false;
>
> - const bool srgb_rb = _mesa_get_srgb_format_linear(mt->format) !=
> mt->format;
> - /* Gen10 doesn't automatically decode the clear color of sRGB buffers.
> Since
> - * we currently don't perform this decode in software, avoid a
> fast-clear
> - * altogether. TODO: Do this in software.
> - */
> const mesa_format format = _mesa_get_render_format(ctx, mt->format);
> - if (devinfo->gen >= 10 && srgb_rb) {
> - perf_debug("sRGB fast clear not enabled for (%s)",
> - _mesa_get_format_name(format));
> - return false;
> - }
> -
> if (_mesa_is_format_integer_color(format)) {
> if (devinfo->gen >= 8) {
> perf_debug("Integer fast clear not enabled for (%s)",
> --
> 2.16.2
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
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