[Mesa-dev] [PATCH v2 1/4] gallium: add basic support for BPTC formats

Brian Paul brianp at vmware.com
Mon Aug 11 05:43:24 PDT 2014


Patches 1-3 look OK to me.  I don't have a strong opinion on the UNORM 
suffix.

Reviewed-by: Brian Paul <brianp at vmware.com>


On 08/10/2014 08:21 PM, Ilia Mirkin wrote:
> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
> ---
>
> v1 -> v2:
>   - add cases to util_format_srgb and util_format_linear
>   - remove special SRGBA case from util_format_fits_8unorm
>
> Not sure if I should rename the SRGBA one to not have a _UNORM ending...
>
>   src/gallium/auxiliary/Makefile.sources       |   1 +
>   src/gallium/auxiliary/util/u_format.c        |   4 +
>   src/gallium/auxiliary/util/u_format.csv      |   6 ++
>   src/gallium/auxiliary/util/u_format.h        |  12 ++-
>   src/gallium/auxiliary/util/u_format_bptc.c   |  26 +++++++
>   src/gallium/auxiliary/util/u_format_bptc.h   | 109 +++++++++++++++++++++++++++
>   src/gallium/auxiliary/util/u_format_pack.py  |   2 +-
>   src/gallium/auxiliary/util/u_format_table.py |   3 +-
>   src/gallium/include/pipe/p_format.h          |   5 ++
>   9 files changed, 165 insertions(+), 3 deletions(-)
>   create mode 100644 src/gallium/auxiliary/util/u_format_bptc.c
>   create mode 100644 src/gallium/auxiliary/util/u_format_bptc.h
>
> diff --git a/src/gallium/auxiliary/Makefile.sources b/src/gallium/auxiliary/Makefile.sources
> index 3eae9e5..9bfaa0e 100644
> --- a/src/gallium/auxiliary/Makefile.sources
> +++ b/src/gallium/auxiliary/Makefile.sources
> @@ -113,6 +113,7 @@ C_SOURCES := \
>   	util/u_format_s3tc.c \
>   	util/u_format_rgtc.c \
>   	util/u_format_etc.c \
> +	util/u_format_bptc.c \
>   	util/u_format_tests.c \
>   	util/u_format_yuv.c \
>   	util/u_format_zs.c \
> diff --git a/src/gallium/auxiliary/util/u_format.c b/src/gallium/auxiliary/util/u_format.c
> index a53ed6f..d53dd78 100644
> --- a/src/gallium/auxiliary/util/u_format.c
> +++ b/src/gallium/auxiliary/util/u_format.c
> @@ -496,6 +496,10 @@ util_format_fits_8unorm(const struct util_format_description *format_desc)
>             format_desc->format == PIPE_FORMAT_LATC2_SNORM)
>            return FALSE;
>         return TRUE;
> +   case UTIL_FORMAT_LAYOUT_BPTC:
> +      if (format_desc->format == PIPE_FORMAT_BPTC_RGBA_UNORM)
> +         return TRUE;
> +      return FALSE;
>
>      case UTIL_FORMAT_LAYOUT_PLAIN:
>         /*
> diff --git a/src/gallium/auxiliary/util/u_format.csv b/src/gallium/auxiliary/util/u_format.csv
> index 8aa5c36..570ea5a 100644
> --- a/src/gallium/auxiliary/util/u_format.csv
> +++ b/src/gallium/auxiliary/util/u_format.csv
> @@ -160,6 +160,7 @@ PIPE_FORMAT_R8G8Bx_SNORM          , other,      1,  1, sn8 , sn8 ,     ,     , x
>   # - https://urldefense.proofpoint.com/v1/url?u=http://www.opengl.org/registry/specs/EXT/texture_compression_s3tc.txt&k=oIvRg1%2BdGAgOoM1BIlLLqw%3D%3D%0A&r=lGQMzzTgII0I7jefp2FHq7WtZ%2BTLs8wadB%2BiIj9xpBY%3D%0A&m=egGYhONhlv%2FyR4cifC2EKzFQcB4x3r49rD9DJoop8G4%3D%0A&s=47e7b45862c5d627e4fb2f00cb6959332ceb94e735694d301a2dd0827f5dc9a4
>   # - https://urldefense.proofpoint.com/v1/url?u=http://www.opengl.org/registry/specs/ARB/texture_compression_rgtc.txt&k=oIvRg1%2BdGAgOoM1BIlLLqw%3D%3D%0A&r=lGQMzzTgII0I7jefp2FHq7WtZ%2BTLs8wadB%2BiIj9xpBY%3D%0A&m=egGYhONhlv%2FyR4cifC2EKzFQcB4x3r49rD9DJoop8G4%3D%0A&s=3a24c595d4f47ada26bd3d80d841dc9361179a2c195f5d1b6536e1cd0135a71f
>   # - https://urldefense.proofpoint.com/v1/url?u=http://www.opengl.org/registry/specs/EXT/texture_compression_latc.txt&k=oIvRg1%2BdGAgOoM1BIlLLqw%3D%3D%0A&r=lGQMzzTgII0I7jefp2FHq7WtZ%2BTLs8wadB%2BiIj9xpBY%3D%0A&m=egGYhONhlv%2FyR4cifC2EKzFQcB4x3r49rD9DJoop8G4%3D%0A&s=e92cc280386cd0405971bd0139141e218051159641504601da4f68a1df348e03
> +# - https://urldefense.proofpoint.com/v1/url?u=http://www.opengl.org/registry/specs/ARB/texture_compression_bptc.txt&k=oIvRg1%2BdGAgOoM1BIlLLqw%3D%3D%0A&r=lGQMzzTgII0I7jefp2FHq7WtZ%2BTLs8wadB%2BiIj9xpBY%3D%0A&m=egGYhONhlv%2FyR4cifC2EKzFQcB4x3r49rD9DJoop8G4%3D%0A&s=e7c3de11561622e5ca1f4a64cb6f142027e501342319f19209e4b69b7d855894
>   # - https://urldefense.proofpoint.com/v1/url?u=http://www.khronos.org/registry/gles/extensions/OES/OES_compressed_ETC1_RGB8_texture.txt&k=oIvRg1%2BdGAgOoM1BIlLLqw%3D%3D%0A&r=lGQMzzTgII0I7jefp2FHq7WtZ%2BTLs8wadB%2BiIj9xpBY%3D%0A&m=egGYhONhlv%2FyR4cifC2EKzFQcB4x3r49rD9DJoop8G4%3D%0A&s=82d7943bfa7d02f1b05d5c86de13c32baa5daa1e5b659e6d479f47beedfe2efe
>   # - https://urldefense.proofpoint.com/v1/url?u=http://msdn.microsoft.com/en-us/library/bb694531.aspx&k=oIvRg1%2BdGAgOoM1BIlLLqw%3D%3D%0A&r=lGQMzzTgII0I7jefp2FHq7WtZ%2BTLs8wadB%2BiIj9xpBY%3D%0A&m=egGYhONhlv%2FyR4cifC2EKzFQcB4x3r49rD9DJoop8G4%3D%0A&s=4c3f954cb4c39f6748f7413b52c3a341bffb709a9cdc3f5c5c12e97a3ab21752
>   PIPE_FORMAT_DXT1_RGB              , s3tc, 4, 4, x64 ,     ,     ,     , xyz1, rgb
> @@ -183,6 +184,11 @@ PIPE_FORMAT_LATC2_SNORM           , rgtc, 4, 4, x128,     ,     ,     , xxxy, rg
>
>   PIPE_FORMAT_ETC1_RGB8             ,  etc, 4, 4, x64,      ,     ,     , xyz1, rgb
>
> +PIPE_FORMAT_BPTC_RGBA_UNORM       , bptc, 4, 4, x128,     ,     ,     , xyzw, rgb
> +PIPE_FORMAT_BPTC_SRGBA_UNORM      , bptc, 4, 4, x128,     ,     ,     , xyzw, srgb
> +PIPE_FORMAT_BPTC_RGB_FLOAT        , bptc, 4, 4, x128,     ,     ,     , xyz1, rgb
> +PIPE_FORMAT_BPTC_RGB_UFLOAT       , bptc, 4, 4, x128,     ,     ,     , xyz1, rgb
> +
>   # Straightforward D3D10-like formats (also used for
>   # vertex buffer element description)
>   #
> diff --git a/src/gallium/auxiliary/util/u_format.h b/src/gallium/auxiliary/util/u_format.h
> index 2e2bf02..93597ae 100644
> --- a/src/gallium/auxiliary/util/u_format.h
> +++ b/src/gallium/auxiliary/util/u_format.h
> @@ -79,9 +79,14 @@ enum util_format_layout {
>      UTIL_FORMAT_LAYOUT_ETC = 6,
>
>      /**
> +    * BC6/7 Texture Compression
> +    */
> +   UTIL_FORMAT_LAYOUT_BPTC = 7,
> +
> +   /**
>       * Everything else that doesn't fit in any of the above layouts.
>       */
> -   UTIL_FORMAT_LAYOUT_OTHER = 7
> +   UTIL_FORMAT_LAYOUT_OTHER = 8
>   };
>
>
> @@ -475,6 +480,7 @@ util_format_is_compressed(enum pipe_format format)
>      case UTIL_FORMAT_LAYOUT_S3TC:
>      case UTIL_FORMAT_LAYOUT_RGTC:
>      case UTIL_FORMAT_LAYOUT_ETC:
> +   case UTIL_FORMAT_LAYOUT_BPTC:
>         /* XXX add other formats in the future */
>         return TRUE;
>      default:
> @@ -911,6 +917,8 @@ util_format_srgb(enum pipe_format format)
>         return PIPE_FORMAT_DXT5_SRGBA;
>      case PIPE_FORMAT_B5G6R5_UNORM:
>         return PIPE_FORMAT_B5G6R5_SRGB;
> +   case PIPE_FORMAT_BPTC_RGBA_UNORM:
> +      return PIPE_FORMAT_BPTC_SRGBA_UNORM;
>      default:
>         return PIPE_FORMAT_NONE;
>      }
> @@ -956,6 +964,8 @@ util_format_linear(enum pipe_format format)
>         return PIPE_FORMAT_DXT5_RGBA;
>      case PIPE_FORMAT_B5G6R5_SRGB:
>         return PIPE_FORMAT_B5G6R5_UNORM;
> +   case PIPE_FORMAT_BPTC_SRGBA_UNORM:
> +      return PIPE_FORMAT_BPTC_RGBA_UNORM;
>      default:
>         return format;
>      }
> diff --git a/src/gallium/auxiliary/util/u_format_bptc.c b/src/gallium/auxiliary/util/u_format_bptc.c
> new file mode 100644
> index 0000000..8fb002f
> --- /dev/null
> +++ b/src/gallium/auxiliary/util/u_format_bptc.c
> @@ -0,0 +1,26 @@
> +#include "u_format.h"
> +#include "u_format_bptc.h"
> +
> +#define fake(format) \
> +void \
> +util_format_##format##_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) {assert(0);} \
> +\
> +void \
> +util_format_##format##_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) {assert(0);} \
> +\
> +void \
> +util_format_##format##_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) {assert(0);} \
> +\
> +void \
> +util_format_##format##_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) {assert(0);} \
> +\
> +void \
> +util_format_##format##_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) {assert(0);} \
> +\
> +void \
> +util_format_##format##_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) {assert(0);}
> +
> +fake(bptc_rgba_unorm)
> +fake(bptc_srgba_unorm)
> +fake(bptc_rgb_float)
> +fake(bptc_rgb_ufloat)
> diff --git a/src/gallium/auxiliary/util/u_format_bptc.h b/src/gallium/auxiliary/util/u_format_bptc.h
> new file mode 100644
> index 0000000..77bedfd
> --- /dev/null
> +++ b/src/gallium/auxiliary/util/u_format_bptc.h
> @@ -0,0 +1,109 @@
> +/**************************************************************************
> + *
> + * Copyright 2011 Red Hat Inc.
> + * All Rights Reserved.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the
> + * "Software"), to deal in the Software without restriction, including
> + * without limitation the rights to use, copy, modify, merge, publish,
> + * distribute, sub license, and/or sell copies of the Software, and to
> + * permit persons to whom the Software is furnished to do so, subject to
> + * the following conditions:
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
> + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
> + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
> + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
> + * USE OR OTHER DEALINGS IN THE SOFTWARE.
> + *
> + * The above copyright notice and this permission notice (including the
> + * next paragraph) shall be included in all copies or substantial portions
> + * of the Software.
> + *
> + **************************************************************************/
> +
> +#ifndef U_FORMAT_BPTC_H_
> +#define U_FORMAT_BPTC_H_
> +
> +void
> +util_format_bptc_rgba_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j);
> +
> +void
> +util_format_bptc_rgba_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height);
> +
> +void
> +util_format_bptc_rgba_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height);
> +
> +void
> +util_format_bptc_rgba_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height);
> +
> +void
> +util_format_bptc_rgba_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height);
> +
> +void
> +util_format_bptc_rgba_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j);
> +
> +
> +
> +void
> +util_format_bptc_srgba_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j);
> +
> +void
> +util_format_bptc_srgba_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height);
> +
> +void
> +util_format_bptc_srgba_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height);
> +
> +void
> +util_format_bptc_srgba_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height);
> +
> +void
> +util_format_bptc_srgba_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height);
> +
> +void
> +util_format_bptc_srgba_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j);
> +
> +
> +
> +void
> +util_format_bptc_rgb_float_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j);
> +
> +void
> +util_format_bptc_rgb_float_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height);
> +
> +void
> +util_format_bptc_rgb_float_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height);
> +
> +void
> +util_format_bptc_rgb_float_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height);
> +
> +void
> +util_format_bptc_rgb_float_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height);
> +
> +void
> +util_format_bptc_rgb_float_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j);
> +
> +
> +void
> +util_format_bptc_rgb_ufloat_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j);
> +
> +void
> +util_format_bptc_rgb_ufloat_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height);
> +
> +void
> +util_format_bptc_rgb_ufloat_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height);
> +
> +void
> +util_format_bptc_rgb_ufloat_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height);
> +
> +void
> +util_format_bptc_rgb_ufloat_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height);
> +
> +void
> +util_format_bptc_rgb_ufloat_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j);
> +
> +
> +#endif
> diff --git a/src/gallium/auxiliary/util/u_format_pack.py b/src/gallium/auxiliary/util/u_format_pack.py
> index a553e23..6ccf04c 100644
> --- a/src/gallium/auxiliary/util/u_format_pack.py
> +++ b/src/gallium/auxiliary/util/u_format_pack.py
> @@ -659,7 +659,7 @@ def generate_format_fetch(format, dst_channel, dst_native_type, dst_suffix):
>
>
>   def is_format_hand_written(format):
> -    return format.layout in ('s3tc', 'rgtc', 'etc', 'subsampled', 'other') or format.colorspace == ZS
> +    return format.layout in ('s3tc', 'rgtc', 'etc', 'bptc', 'subsampled', 'other') or format.colorspace == ZS
>
>
>   def generate(formats):
> diff --git a/src/gallium/auxiliary/util/u_format_table.py b/src/gallium/auxiliary/util/u_format_table.py
> index 81fd399..ad582e4 100755
> --- a/src/gallium/auxiliary/util/u_format_table.py
> +++ b/src/gallium/auxiliary/util/u_format_table.py
> @@ -90,6 +90,7 @@ def write_format_table(formats):
>       print '#include "u_format_rgtc.h"'
>       print '#include "u_format_latc.h"'
>       print '#include "u_format_etc.h"'
> +    print '#include "u_format_bptc.h"'
>       print
>
>       u_format_pack.generate(formats)
> @@ -141,7 +142,7 @@ def write_format_table(formats):
>           if format.colorspace != ZS and not format.is_pure_color():
>               print "   &util_format_%s_unpack_rgba_8unorm," % format.short_name()
>               print "   &util_format_%s_pack_rgba_8unorm," % format.short_name()
> -            if format.layout == 's3tc' or format.layout == 'rgtc':
> +            if format.layout == 's3tc' or format.layout == 'rgtc' or format.layout == 'bptc':
>                   print "   &util_format_%s_fetch_rgba_8unorm," % format.short_name()
>               else:
>                   print "   NULL, /* fetch_rgba_8unorm */"
> diff --git a/src/gallium/include/pipe/p_format.h b/src/gallium/include/pipe/p_format.h
> index a7fdcd0..a29b9d6 100644
> --- a/src/gallium/include/pipe/p_format.h
> +++ b/src/gallium/include/pipe/p_format.h
> @@ -344,6 +344,11 @@ enum pipe_format {
>
>      PIPE_FORMAT_B5G6R5_SRGB             = 254,
>
> +   PIPE_FORMAT_BPTC_RGBA_UNORM         = 255,
> +   PIPE_FORMAT_BPTC_SRGBA_UNORM        = 256,
> +   PIPE_FORMAT_BPTC_RGB_FLOAT          = 257,
> +   PIPE_FORMAT_BPTC_RGB_UFLOAT         = 258,
> +
>      PIPE_FORMAT_COUNT
>   };
>
>



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