On Thu, Nov 19, 2015 at 7:25 AM, Neil Roberts <n...@linux.intel.com> wrote:
> Since Gen8 this is allowed as a rendering target so we don't need to
> override it to B8G8R8A8. This is helpful on Gen9+ where using this
> override causes fast clears not to work.
> ---
> src/mesa/drivers/dri/i965/brw_surface_formats.c | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_surface_formats.c
> b/src/mesa/drivers/dri/i965/brw_surface_formats.c
> index 55e7e64..7c38431 100644
> --- a/src/mesa/drivers/dri/i965/brw_surface_formats.c
> +++ b/src/mesa/drivers/dri/i965/brw_surface_formats.c
> @@ -167,8 +167,8 @@ const struct surface_format_info surface_formats[] = {
> SF( Y, 50, Y, x, x, x, x, x, x, x, I32_FLOAT)
> SF( Y, 50, Y, x, x, x, x, x, x, x, L32_FLOAT)
> SF( Y, 50, Y, x, x, x, x, x, x, x, A32_FLOAT)
> - SF( Y, Y, x, Y, x, x, x, x, 60, 90, B8G8R8X8_UNORM)
> - SF( Y, Y, x, x, x, x, x, x, x, x, B8G8R8X8_UNORM_SRGB)
> + SF( Y, Y, x, Y, 80, 80, x, x, 60, 90, B8G8R8X8_UNORM)
> + SF( Y, Y, x, x, 80, 80, x, x, x, x, B8G8R8X8_UNORM_SRGB)
> SF( Y, Y, x, x, x, x, x, x, x, x, R8G8B8X8_UNORM)
> SF( Y, Y, x, x, x, x, x, x, x, x, R8G8B8X8_UNORM_SRGB)
> SF( Y, Y, x, x, x, x, x, x, x, x, R9G9B9E5_SHAREDEXP)
> @@ -670,9 +670,10 @@ brw_init_surface_formats(struct brw_context *brw)
> * mask writes to alpha (ala glColorMask) and reconfigure the
> * alpha blending hardware to use GL_ONE (or GL_ZERO) for
> * cases where GL_DST_ALPHA (or GL_ONE_MINUS_DST_ALPHA) is
> - * used.
> + * used. On Gen8+ BGRX is actually allowed (but not RGBX).
> */
> - render = BRW_SURFACEFORMAT_B8G8R8A8_UNORM;
> + if (gen < tinfo->render_target)
> + render = BRW_SURFACEFORMAT_B8G8R8A8_UNORM;
> break;
> case BRW_SURFACEFORMAT_R8G8B8X8_UNORM:
> render = BRW_SURFACEFORMAT_R8G8B8A8_UNORM;
> --
> 1.9.3
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/mesa-dev
Verified in the hardware specs.
Reviewed-by: Anuj Phogat <anuj.pho...@gmail.com>
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