[Mesa-dev] [PATCH 13/14] swr: remove formats from mapping table that don't have StoreTile impls

Cherniak, Bruce bruce.cherniak at intel.com
Tue Nov 15 01:47:22 UTC 2016


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 <imirkin at 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 <imirkin at 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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