[Mesa-dev] [PATCH 2/2] u_vbuf: Add a few more format fallbacks.

[Marek Olšák]

Reviewed-by: Marek Olšák <marek.olsak at amd.com>

Marek

On Fri, Aug 22, 2014 at 10:54 PM, Eric Anholt <eric at anholt.net> wrote:
> Fixes piglit draw-vertices and gl-2.0-vertexattribpointer on vc4, where
> I'm only advertising R32F to RGBA32F support so far.
>
> Note: regresses gl-1.5-normal3b3s-invariance due to introduced flushes and
> missing depth buffer load/store support in the driver.
> ---
>  src/gallium/auxiliary/util/u_vbuf.c | 32 ++++++++++++++++++++++++++++++++
>  1 file changed, 32 insertions(+)
>
> diff --git a/src/gallium/auxiliary/util/u_vbuf.c b/src/gallium/auxiliary/util/u_vbuf.c
> index 42f5915..a372d69 100644
> --- a/src/gallium/auxiliary/util/u_vbuf.c
> +++ b/src/gallium/auxiliary/util/u_vbuf.c
> @@ -222,6 +222,38 @@ static const struct {
>     { PIPE_FORMAT_R32G32_SSCALED,       PIPE_FORMAT_R32G32_FLOAT },
>     { PIPE_FORMAT_R32G32B32_SSCALED,    PIPE_FORMAT_R32G32B32_FLOAT },
>     { PIPE_FORMAT_R32G32B32A32_SSCALED, PIPE_FORMAT_R32G32B32A32_FLOAT },
> +   { PIPE_FORMAT_R16_UNORM,            PIPE_FORMAT_R32_FLOAT },
> +   { PIPE_FORMAT_R16G16_UNORM,         PIPE_FORMAT_R32G32_FLOAT },
> +   { PIPE_FORMAT_R16G16B16_UNORM,      PIPE_FORMAT_R32G32B32_FLOAT },
> +   { PIPE_FORMAT_R16G16B16A16_UNORM,   PIPE_FORMAT_R32G32B32A32_FLOAT },
> +   { PIPE_FORMAT_R16_SNORM,            PIPE_FORMAT_R32_FLOAT },
> +   { PIPE_FORMAT_R16G16_SNORM,         PIPE_FORMAT_R32G32_FLOAT },
> +   { PIPE_FORMAT_R16G16B16_SNORM,      PIPE_FORMAT_R32G32B32_FLOAT },
> +   { PIPE_FORMAT_R16G16B16A16_SNORM,   PIPE_FORMAT_R32G32B32A32_FLOAT },
> +   { PIPE_FORMAT_R16_USCALED,          PIPE_FORMAT_R32_FLOAT },
> +   { PIPE_FORMAT_R16G16_USCALED,       PIPE_FORMAT_R32G32_FLOAT },
> +   { PIPE_FORMAT_R16G16B16_USCALED,    PIPE_FORMAT_R32G32B32_FLOAT },
> +   { PIPE_FORMAT_R16G16B16A16_USCALED, PIPE_FORMAT_R32G32B32A32_FLOAT },
> +   { PIPE_FORMAT_R16_SSCALED,          PIPE_FORMAT_R32_FLOAT },
> +   { PIPE_FORMAT_R16G16_SSCALED,       PIPE_FORMAT_R32G32_FLOAT },
> +   { PIPE_FORMAT_R16G16B16_SSCALED,    PIPE_FORMAT_R32G32B32_FLOAT },
> +   { PIPE_FORMAT_R16G16B16A16_SSCALED, PIPE_FORMAT_R32G32B32A32_FLOAT },
> +   { PIPE_FORMAT_R8_UNORM,             PIPE_FORMAT_R32_FLOAT },
> +   { PIPE_FORMAT_R8G8_UNORM,           PIPE_FORMAT_R32G32_FLOAT },
> +   { PIPE_FORMAT_R8G8B8_UNORM,         PIPE_FORMAT_R32G32B32_FLOAT },
> +   { PIPE_FORMAT_R8G8B8A8_UNORM,       PIPE_FORMAT_R32G32B32A32_FLOAT },
> +   { PIPE_FORMAT_R8_SNORM,             PIPE_FORMAT_R32_FLOAT },
> +   { PIPE_FORMAT_R8G8_SNORM,           PIPE_FORMAT_R32G32_FLOAT },
> +   { PIPE_FORMAT_R8G8B8_SNORM,         PIPE_FORMAT_R32G32B32_FLOAT },
> +   { PIPE_FORMAT_R8G8B8A8_SNORM,       PIPE_FORMAT_R32G32B32A32_FLOAT },
> +   { PIPE_FORMAT_R8_USCALED,           PIPE_FORMAT_R32_FLOAT },
> +   { PIPE_FORMAT_R8G8_USCALED,         PIPE_FORMAT_R32G32_FLOAT },
> +   { PIPE_FORMAT_R8G8B8_USCALED,       PIPE_FORMAT_R32G32B32_FLOAT },
> +   { PIPE_FORMAT_R8G8B8A8_USCALED,     PIPE_FORMAT_R32G32B32A32_FLOAT },
> +   { PIPE_FORMAT_R8_SSCALED,           PIPE_FORMAT_R32_FLOAT },
> +   { PIPE_FORMAT_R8G8_SSCALED,         PIPE_FORMAT_R32G32_FLOAT },
> +   { PIPE_FORMAT_R8G8B8_SSCALED,       PIPE_FORMAT_R32G32B32_FLOAT },
> +   { PIPE_FORMAT_R8G8B8A8_SSCALED,     PIPE_FORMAT_R32G32B32A32_FLOAT },
>  };
>
>  boolean u_vbuf_get_caps(struct pipe_screen *screen, struct u_vbuf_caps *caps)
> --
> 2.1.0
>
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