This table lists all supported formats (both renderable and texturable).
swr_texture_layout calls mesa_to_swr_format to convert the PIPE_FORMAT_* to the
appropriate SWR_FORMAT enum. Removing these entries would result in -1
(unsupported format). We might need to add a “is_renderable” field to the
table for its use in swr_is_format_supported, but I believe these formats
should remain.
Although, it looks like you highlighted another bug, swr_texture_layout should
return false with an early test for mesa_to_swr_format(fmt), rather than
continuing on.
> On Nov 12, 2016, at 5:00 PM, Ilia Mirkin <imir...@alum.mit.edu> wrote:
>
> This table exists for the purpose of determining renderable formats.
> Without a StoreTile implementation, that can't happen.
>
> This basically removes rendering support to all L/LA/I formats. They can
> be re-added when/if StoreTile implementations are added.
>
> Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu>
> ---
> src/gallium/drivers/swr/swr_screen.cpp | 86 +++++++++++++++++++---------------
> 1 file changed, 48 insertions(+), 38 deletions(-)
>
> diff --git a/src/gallium/drivers/swr/swr_screen.cpp
> b/src/gallium/drivers/swr/swr_screen.cpp
> index 98f5e44..9e80e94 100644
> --- a/src/gallium/drivers/swr/swr_screen.cpp
> +++ b/src/gallium/drivers/swr/swr_screen.cpp
> @@ -427,12 +427,7 @@ mesa_to_swr_format(enum pipe_format format)
> {PIPE_FORMAT_B4G4R4A4_UNORM, B4G4R4A4_UNORM},
> {PIPE_FORMAT_B5G6R5_UNORM, B5G6R5_UNORM},
> {PIPE_FORMAT_R10G10B10A2_UNORM, R10G10B10A2_UNORM},
> - {PIPE_FORMAT_L8_UNORM, L8_UNORM},
> {PIPE_FORMAT_A8_UNORM, A8_UNORM},
> - {PIPE_FORMAT_I8_UNORM, I8_UNORM},
> - {PIPE_FORMAT_L8A8_UNORM, L8A8_UNORM},
> - {PIPE_FORMAT_L16_UNORM, L16_UNORM},
> - {PIPE_FORMAT_UYVY, YCRCB_SWAPUVY},
> {PIPE_FORMAT_Z16_UNORM, R16_UNORM}, // z
> {PIPE_FORMAT_Z32_FLOAT, R32_FLOAT}, // z
> {PIPE_FORMAT_Z24_UNORM_S8_UINT, R24_UNORM_X8_TYPELESS}, // z
> @@ -486,26 +481,11 @@ mesa_to_swr_format(enum pipe_format format)
> {PIPE_FORMAT_R16G16B16_FLOAT, R16G16B16_FLOAT},
> {PIPE_FORMAT_R16G16B16A16_FLOAT, R16G16B16A16_FLOAT},
>
> - {PIPE_FORMAT_L8_SRGB, L8_UNORM_SRGB},
> - {PIPE_FORMAT_L8A8_SRGB, L8A8_UNORM_SRGB},
> {PIPE_FORMAT_R8G8B8_SRGB, R8G8B8_UNORM_SRGB},
> {PIPE_FORMAT_B8G8R8A8_SRGB, B8G8R8A8_UNORM_SRGB},
> {PIPE_FORMAT_B8G8R8X8_SRGB, B8G8R8X8_UNORM_SRGB},
> {PIPE_FORMAT_R8G8B8A8_SRGB, R8G8B8A8_UNORM_SRGB},
>
> - {PIPE_FORMAT_DXT1_RGBA, BC1_UNORM},
> - {PIPE_FORMAT_DXT3_RGBA, BC2_UNORM},
> - {PIPE_FORMAT_DXT5_RGBA, BC3_UNORM},
> -
> - {PIPE_FORMAT_DXT1_SRGBA, BC1_UNORM_SRGB},
> - {PIPE_FORMAT_DXT3_SRGBA, BC2_UNORM_SRGB},
> - {PIPE_FORMAT_DXT5_SRGBA, BC3_UNORM_SRGB},
> -
> - {PIPE_FORMAT_RGTC1_UNORM, BC4_UNORM},
> - {PIPE_FORMAT_RGTC1_SNORM, BC4_SNORM},
> - {PIPE_FORMAT_RGTC2_UNORM, BC5_UNORM},
> - {PIPE_FORMAT_RGTC2_SNORM, BC5_SNORM},
> -
> {PIPE_FORMAT_B5G5R5X1_UNORM, B5G5R5X1_UNORM},
> {PIPE_FORMAT_R10G10B10A2_USCALED, R10G10B10A2_USCALED},
> {PIPE_FORMAT_R11G11B10_FLOAT, R11G11B10_FLOAT},
> @@ -514,18 +494,9 @@ mesa_to_swr_format(enum pipe_format format)
> {PIPE_FORMAT_B10G10R10A2_UNORM, B10G10R10A2_UNORM},
> {PIPE_FORMAT_R8G8B8X8_UNORM, R8G8B8X8_UNORM},
>
> - {PIPE_FORMAT_L16A16_UNORM, L16A16_UNORM},
> {PIPE_FORMAT_A16_UNORM, A16_UNORM},
> - {PIPE_FORMAT_I16_UNORM, I16_UNORM},
> -
> {PIPE_FORMAT_A16_FLOAT, A16_FLOAT},
> - {PIPE_FORMAT_L16_FLOAT, L16_FLOAT},
> - {PIPE_FORMAT_L16A16_FLOAT, L16A16_FLOAT},
> - {PIPE_FORMAT_I16_FLOAT, I16_FLOAT},
> {PIPE_FORMAT_A32_FLOAT, A32_FLOAT},
> - {PIPE_FORMAT_L32_FLOAT, L32_FLOAT},
> - {PIPE_FORMAT_L32A32_FLOAT, L32A32_FLOAT},
> - {PIPE_FORMAT_I32_FLOAT, I32_FLOAT},
>
> {PIPE_FORMAT_R10G10B10A2_SSCALED, R10G10B10A2_SSCALED},
> {PIPE_FORMAT_R10G10B10A2_SNORM, R10G10B10A2_SNORM},
> @@ -564,14 +535,6 @@ mesa_to_swr_format(enum pipe_format format)
> {PIPE_FORMAT_R32G32B32_SINT, R32G32B32_SINT},
> {PIPE_FORMAT_R32G32B32A32_SINT, R32G32B32A32_SINT},
>
> - {PIPE_FORMAT_I8_UINT, I8_UINT},
> - {PIPE_FORMAT_L8_UINT, L8_UINT},
> - {PIPE_FORMAT_L8A8_UINT, L8A8_UINT},
> -
> - {PIPE_FORMAT_I8_SINT, I8_SINT},
> - {PIPE_FORMAT_L8_SINT, L8_SINT},
> - {PIPE_FORMAT_L8A8_SINT, L8A8_SINT},
> -
> {PIPE_FORMAT_B10G10R10A2_UINT, B10G10R10A2_UINT},
>
> {PIPE_FORMAT_B10G10R10X2_UNORM, B10G10R10X2_UNORM},
> @@ -580,7 +543,54 @@ mesa_to_swr_format(enum pipe_format format)
> {PIPE_FORMAT_R32G32B32X32_FLOAT, R32G32B32X32_FLOAT},
> {PIPE_FORMAT_R10G10B10A2_UINT, R10G10B10A2_UINT},
>
> - {PIPE_FORMAT_B5G6R5_SRGB, B5G6R5_UNORM_SRGB}
> + {PIPE_FORMAT_B5G6R5_SRGB, B5G6R5_UNORM_SRGB},
> +
> + /* These formats have entries in SWR but don't have Load/StoreTile
> + * implementations. That means these aren't renderable, and thus having
> + * a mapping entry here is detrimental.
> + */
> + /*
> +
> + {PIPE_FORMAT_L8_UNORM, L8_UNORM},
> + {PIPE_FORMAT_I8_UNORM, I8_UNORM},
> + {PIPE_FORMAT_L8A8_UNORM, L8A8_UNORM},
> + {PIPE_FORMAT_L16_UNORM, L16_UNORM},
> + {PIPE_FORMAT_UYVY, YCRCB_SWAPUVY},
> +
> + {PIPE_FORMAT_L8_SRGB, L8_UNORM_SRGB},
> + {PIPE_FORMAT_L8A8_SRGB, L8A8_UNORM_SRGB},
> +
> + {PIPE_FORMAT_DXT1_RGBA, BC1_UNORM},
> + {PIPE_FORMAT_DXT3_RGBA, BC2_UNORM},
> + {PIPE_FORMAT_DXT5_RGBA, BC3_UNORM},
> +
> + {PIPE_FORMAT_DXT1_SRGBA, BC1_UNORM_SRGB},
> + {PIPE_FORMAT_DXT3_SRGBA, BC2_UNORM_SRGB},
> + {PIPE_FORMAT_DXT5_SRGBA, BC3_UNORM_SRGB},
> +
> + {PIPE_FORMAT_RGTC1_UNORM, BC4_UNORM},
> + {PIPE_FORMAT_RGTC1_SNORM, BC4_SNORM},
> + {PIPE_FORMAT_RGTC2_UNORM, BC5_UNORM},
> + {PIPE_FORMAT_RGTC2_SNORM, BC5_SNORM},
> +
> + {PIPE_FORMAT_L16A16_UNORM, L16A16_UNORM},
> + {PIPE_FORMAT_I16_UNORM, I16_UNORM},
> + {PIPE_FORMAT_L16_FLOAT, L16_FLOAT},
> + {PIPE_FORMAT_L16A16_FLOAT, L16A16_FLOAT},
> + {PIPE_FORMAT_I16_FLOAT, I16_FLOAT},
> + {PIPE_FORMAT_L32_FLOAT, L32_FLOAT},
> + {PIPE_FORMAT_L32A32_FLOAT, L32A32_FLOAT},
> + {PIPE_FORMAT_I32_FLOAT, I32_FLOAT},
> +
> + {PIPE_FORMAT_I8_UINT, I8_UINT},
> + {PIPE_FORMAT_L8_UINT, L8_UINT},
> + {PIPE_FORMAT_L8A8_UINT, L8A8_UINT},
> +
> + {PIPE_FORMAT_I8_SINT, I8_SINT},
> + {PIPE_FORMAT_L8_SINT, L8_SINT},
> + {PIPE_FORMAT_L8A8_SINT, L8A8_SINT},
> +
> + */
> };
>
> try {
> --
> 2.7.3
>
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