diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/auxiliary/Makefile | 1 | ||||
| -rw-r--r-- | src/gallium/auxiliary/SConscript | 1 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_format_pack.py | 8 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_format_tests.c | 33 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_format_yuv.c | 1047 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_format_yuv.h | 223 |
6 files changed, 1310 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/Makefile b/src/gallium/auxiliary/Makefile index e6cc70e4cf..0015ccd715 100644 --- a/src/gallium/auxiliary/Makefile +++ b/src/gallium/auxiliary/Makefile @@ -110,6 +110,7 @@ C_SOURCES = \ util/u_format_srgb.c \ util/u_format_table.c \ util/u_format_tests.c \ + util/u_format_yuv.c \ util/u_gen_mipmap.c \ util/u_half.c \ util/u_handle_table.c \ diff --git a/src/gallium/auxiliary/SConscript b/src/gallium/auxiliary/SConscript index ca5fab6742..b6dcd54a35 100644 --- a/src/gallium/auxiliary/SConscript +++ b/src/gallium/auxiliary/SConscript @@ -159,6 +159,7 @@ source = [ 'util/u_format_srgb.c', 'util/u_format_table.c', 'util/u_format_tests.c', + 'util/u_format_yuv.c', 'util/u_gen_mipmap.c', 'util/u_half.c', 'util/u_handle_table.c', diff --git a/src/gallium/auxiliary/util/u_format_pack.py b/src/gallium/auxiliary/util/u_format_pack.py index 3d89c68eaa..aaeb4ce34c 100644 --- a/src/gallium/auxiliary/util/u_format_pack.py +++ b/src/gallium/auxiliary/util/u_format_pack.py @@ -611,12 +611,16 @@ def generate_format_fetch(format, dst_channel, dst_native_type, dst_suffix): print +def is_format_hand_written(format): + return format.layout in ('s3tc', 'subsampled') + def generate(formats): print print '#include "pipe/p_compiler.h"' print '#include "u_math.h"' print '#include "u_format.h"' print '#include "u_format_srgb.h"' + print '#include "u_format_yuv.h"' print '#include "u_half.h"' print @@ -629,7 +633,7 @@ def generate(formats): suffix = 'float' for format in formats: - if format.layout != 's3tc': + if not is_format_hand_written(format): generate_format_unpack(format, channel, native_type, suffix) generate_format_pack(format, channel, native_type, suffix) generate_format_fetch(format, channel, native_type, suffix) @@ -639,7 +643,7 @@ def generate(formats): suffix = '8unorm' for format in formats: - if format.layout != 's3tc': + if not is_format_hand_written(format): generate_format_unpack(format, channel, native_type, suffix) generate_format_pack(format, channel, native_type, suffix) diff --git a/src/gallium/auxiliary/util/u_format_tests.c b/src/gallium/auxiliary/util/u_format_tests.c index a16e676e38..55ce283f02 100644 --- a/src/gallium/auxiliary/util/u_format_tests.c +++ b/src/gallium/auxiliary/util/u_format_tests.c @@ -56,6 +56,12 @@ {{0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}}, \ {{0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}}} +#define UNPACKED_2x1(r0, g0, b0, a0, r1, g1, b1, a1) \ + {{{r0, g0, b0, a0}, {r1, g1, b1, a1}, {0, 0, 0, 0}, {0, 0, 0, 0}}, \ + {{ 0, 0, 0, 0}, { 0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}}, \ + {{ 0, 0, 0, 0}, { 0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}}, \ + {{ 0, 0, 0, 0}, { 0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}}} + /** * Test cases. @@ -294,9 +300,34 @@ util_format_test_cases[] = */ /* - * TODO: YUV formats + * YUV formats */ + {PIPE_FORMAT_R8G8_B8G8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x00, 0x00), UNPACKED_2x1(0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0)}, + {PIPE_FORMAT_R8G8_B8G8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0xff, 0x00, 0x00, 0x00), UNPACKED_2x1(1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0)}, + {PIPE_FORMAT_R8G8_B8G8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0xff, 0x00, 0x00), UNPACKED_2x1(0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0)}, + {PIPE_FORMAT_R8G8_B8G8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0xff, 0x00), UNPACKED_2x1(0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0)}, + {PIPE_FORMAT_R8G8_B8G8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x00, 0xff), UNPACKED_2x1(0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0)}, + {PIPE_FORMAT_R8G8_B8G8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0xff, 0xff, 0xff, 0xff), UNPACKED_2x1(1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0)}, + + {PIPE_FORMAT_G8R8_G8B8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x00, 0x00), UNPACKED_2x1(0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0)}, + {PIPE_FORMAT_G8R8_G8B8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0xff, 0x00, 0x00, 0x00), UNPACKED_2x1(0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0)}, + {PIPE_FORMAT_G8R8_G8B8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0xff, 0x00, 0x00), UNPACKED_2x1(1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0)}, + {PIPE_FORMAT_G8R8_G8B8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0xff, 0x00), UNPACKED_2x1(0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0)}, + {PIPE_FORMAT_G8R8_G8B8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x00, 0xff), UNPACKED_2x1(0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0)}, + {PIPE_FORMAT_G8R8_G8B8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0xff, 0xff, 0xff, 0xff), UNPACKED_2x1(1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0)}, + + /* + * TODO: Exercise the UV channels as well. + */ + {PIPE_FORMAT_UYVY, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x80, 0x10, 0x80, 0x10), UNPACKED_2x1(0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0)}, + {PIPE_FORMAT_UYVY, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x80, 0xeb, 0x80, 0x10), UNPACKED_2x1(1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 0.0, 1.0)}, + {PIPE_FORMAT_UYVY, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x80, 0x10, 0x80, 0xeb), UNPACKED_2x1(0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0)}, + + {PIPE_FORMAT_YUYV, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x10, 0x80, 0x10, 0x80), UNPACKED_2x1(0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0)}, + {PIPE_FORMAT_YUYV, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0xeb, 0x80, 0x10, 0x80), UNPACKED_2x1(1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 0.0, 1.0)}, + {PIPE_FORMAT_YUYV, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x10, 0x80, 0xeb, 0x80), UNPACKED_2x1(0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0)}, + /* * Compressed formats */ diff --git a/src/gallium/auxiliary/util/u_format_yuv.c b/src/gallium/auxiliary/util/u_format_yuv.c new file mode 100644 index 0000000000..0847476e2e --- /dev/null +++ b/src/gallium/auxiliary/util/u_format_yuv.c @@ -0,0 +1,1047 @@ +/************************************************************************** + * + * Copyright 2010 VMware, 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. + * + **************************************************************************/ + + +/** + * @file + * YUV and RGB subsampled formats conversion. + * + * @author Jose Fonseca <jfonseca@vmware.com> + */ + + +#include "util/u_format_yuv.h" + + +void +util_format_r8g8_b8g8_unorm_unpack_float(float *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + + for (y = 0; y < height; y += 1) { + float *dst = dst_row; + const uint32_t *src = (const uint32_t *)src_row; + uint32_t value; + float r, g0, g1, b; + + for (x = 0; x + 1 < width; x += 2) { + value = *src++; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + r = ubyte_to_float((value >> 0) & 0xff); + g0 = ubyte_to_float((value >> 8) & 0xff); + b = ubyte_to_float((value >> 16) & 0xff); + g1 = ubyte_to_float((value >> 24) & 0xff); + + dst[0] = r; /* r */ + dst[1] = g0; /* g */ + dst[2] = b; /* b */ + dst[3] = 1.0f; /* a */ + dst += 4; + + dst[0] = r; /* r */ + dst[1] = g1; /* g */ + dst[2] = b; /* b */ + dst[3] = 1.0f; /* a */ + dst += 4; + } + + if (x < width) { + value = *src; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + r = ubyte_to_float((value >> 0) & 0xff); + g0 = ubyte_to_float((value >> 8) & 0xff); + b = ubyte_to_float((value >> 16) & 0xff); + g1 = ubyte_to_float((value >> 24) & 0xff); + + dst[0] = r; /* r */ + dst[1] = g0; /* g */ + dst[2] = b; /* b */ + dst[3] = 1.0f; /* a */ + } + + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + + +void +util_format_r8g8_b8g8_unorm_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + + for (y = 0; y < height; y += 1) { + uint8_t *dst = dst_row; + const uint32_t *src = (const uint32_t *)src_row; + uint32_t value; + uint8_t r, g0, g1, b; + + for (x = 0; x + 1 < width; x += 2) { + value = *src++; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + r = (value >> 0) & 0xff; + g0 = (value >> 8) & 0xff; + b = (value >> 16) & 0xff; + g1 = (value >> 24) & 0xff; + + dst[0] = r; /* r */ + dst[1] = g0; /* g */ + dst[2] = b; /* b */ + dst[3] = 0xff; /* a */ + dst += 4; + + dst[0] = r; /* r */ + dst[1] = g1; /* g */ + dst[2] = b; /* b */ + dst[3] = 0xff; /* a */ + dst += 4; + } + + if (x < width) { + value = *src; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + r = (value >> 0) & 0xff; + g0 = (value >> 8) & 0xff; + b = (value >> 16) & 0xff; + g1 = (value >> 24) & 0xff; + + dst[0] = r; /* r */ + dst[1] = g0; /* g */ + dst[2] = b; /* b */ + dst[3] = 0xff; /* a */ + } + + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + + +void +util_format_r8g8_b8g8_unorm_pack_float(uint8_t *dst_row, unsigned dst_stride, + const float *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + + for (y = 0; y < height; y += 1) { + const float *src = src_row; + uint32_t *dst = (uint32_t *)dst_row; + float r, g0, g1, b; + uint32_t value; + + for (x = 0; x + 1 < width; x += 2) { + r = 0.5f*(src[0] + src[4]); + g0 = src[1]; + g1 = src[5]; + b = 0.5f*(src[2] + src[6]); + + value = float_to_ubyte(r); + value |= float_to_ubyte(g0) << 8; + value |= float_to_ubyte(b) << 16; + value |= float_to_ubyte(g1) << 24; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + *dst++ = value; + + src += 8; + } + + if (x < width) { + r = src[0]; + g0 = src[1]; + g1 = 0; + b = src[2]; + + value = float_to_ubyte(r); + value |= float_to_ubyte(g0) << 8; + value |= float_to_ubyte(b) << 16; + value |= float_to_ubyte(g1) << 24; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + *dst = value; + } + + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + + +void +util_format_r8g8_b8g8_unorm_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + + for (y = 0; y < height; y += 1) { + const uint8_t *src = src_row; + uint32_t *dst = (uint32_t *)dst_row; + uint32_t r, g0, g1, b; + uint32_t value; + + for (x = 0; x + 1 < width; x += 2) { + r = (src[0] + src[4] + 1) >> 1; + g0 = src[1]; + g1 = src[5]; + b = (src[2] + src[6] + 1) >> 1; + + value = r; + value |= g0 << 8; + value |= b << 16; + value |= g1 << 24; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + *dst++ = value; + + src += 8; + } + + if (x < width) { + r = src[0]; + g0 = src[1]; + g1 = 0; + b = src[2]; + + value = r; + value |= g0 << 8; + value |= b << 16; + value |= g1 << 24; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + *dst = value; + } + + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + + +void +util_format_r8g8_b8g8_unorm_fetch_float(float *dst, const uint8_t *src, + unsigned i, unsigned j) +{ + assert(i < 2); + assert(j < 1); + + dst[0] = ubyte_to_float(src[0]); /* r */ + dst[1] = ubyte_to_float(src[1 + 2*i]); /* g */ + dst[2] = ubyte_to_float(src[2]); /* b */ + dst[3] = 1.0f; /* a */ +} + + +void +util_format_g8r8_g8b8_unorm_unpack_float(float *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + + for (y = 0; y < height; y += 1) { + float *dst = dst_row; + const uint32_t *src = (const uint32_t *)src_row; + uint32_t value; + float r, g0, g1, b; + + for (x = 0; x + 1 < width; x += 2) { + value = *src++; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + g0 = ubyte_to_float((value >> 0) & 0xff); + r = ubyte_to_float((value >> 8) & 0xff); + g1 = ubyte_to_float((value >> 16) & 0xff); + b = ubyte_to_float((value >> 24) & 0xff); + + dst[0] = r; /* r */ + dst[1] = g0; /* g */ + dst[2] = b; /* b */ + dst[3] = 1.0f; /* a */ + dst += 4; + + dst[0] = r; /* r */ + dst[1] = g1; /* g */ + dst[2] = b; /* b */ + dst[3] = 1.0f; /* a */ + dst += 4; + } + + if (x < width) { + value = *src; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + g0 = ubyte_to_float((value >> 0) & 0xff); + r = ubyte_to_float((value >> 8) & 0xff); + g1 = ubyte_to_float((value >> 16) & 0xff); + b = ubyte_to_float((value >> 24) & 0xff); + + dst[0] = r; /* r */ + dst[1] = g0; /* g */ + dst[2] = b; /* b */ + dst[3] = 1.0f; /* a */ + } + + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + + +void +util_format_g8r8_g8b8_unorm_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + + for (y = 0; y < height; y += 1) { + uint8_t *dst = dst_row; + const uint32_t *src = (const uint32_t *)src_row; + uint32_t value; + uint8_t r, g0, g1, b; + + for (x = 0; x + 1 < width; x += 2) { + value = *src++; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + g0 = (value >> 0) & 0xff; + r = (value >> 8) & 0xff; + g1 = (value >> 16) & 0xff; + b = (value >> 24) & 0xff; + + dst[0] = r; /* r */ + dst[1] = g0; /* g */ + dst[2] = b; /* b */ + dst[3] = 0xff; /* a */ + dst += 4; + + dst[0] = r; /* r */ + dst[1] = g1; /* g */ + dst[2] = b; /* b */ + dst[3] = 0xff; /* a */ + dst += 4; + } + + if (x < width) { + value = *src; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + g0 = (value >> 0) & 0xff; + r = (value >> 8) & 0xff; + g1 = (value >> 16) & 0xff; + b = (value >> 24) & 0xff; + + dst[0] = r; /* r */ + dst[1] = g0; /* g */ + dst[2] = b; /* b */ + dst[3] = 0xff; /* a */ + } + + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + + +void +util_format_g8r8_g8b8_unorm_pack_float(uint8_t *dst_row, unsigned dst_stride, + const float *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + + for (y = 0; y < height; y += 1) { + const float *src = src_row; + uint32_t *dst = (uint32_t *)dst_row; + float r, g0, g1, b; + uint32_t value; + + for (x = 0; x + 1 < width; x += 2) { + r = 0.5f*(src[0] + src[4]); + g0 = src[1]; + g1 = src[5]; + b = 0.5f*(src[2] + src[6]); + + value = float_to_ubyte(g0); + value |= float_to_ubyte(r) << 8; + value |= float_to_ubyte(g1) << 16; + value |= float_to_ubyte(b) << 24; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + *dst++ = value; + + src += 8; + } + + if (x < width) { + r = src[0]; + g0 = src[1]; + g1 = 0; + b = src[2]; + + value = float_to_ubyte(g0); + value |= float_to_ubyte(r) << 8; + value |= float_to_ubyte(g1) << 16; + value |= float_to_ubyte(b) << 24; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + *dst = value; + } + + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + + +void +util_format_g8r8_g8b8_unorm_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + + for (y = 0; y < height; y += 1) { + const uint8_t *src = src_row; + uint32_t *dst = (uint32_t *)dst_row; + uint32_t r, g0, g1, b; + uint32_t value; + + for (x = 0; x + 1 < width; x += 2) { + r = (src[0] + src[4] + 1) >> 1; + g0 = src[1]; + g1 = src[5]; + b = (src[2] + src[6] + 1) >> 1; + + value = g0; + value |= r << 8; + value |= g1 << 16; + value |= b << 24; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + *dst++ = value; + + src += 8; + } + + if (x < width) { + r = src[0]; + g0 = src[1]; + g1 = 0; + b = src[2]; + + value = g0; + value |= r << 8; + value |= g1 << 16; + value |= b << 24; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + *dst = value; + } + + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + + +void +util_format_g8r8_g8b8_unorm_fetch_float(float *dst, const uint8_t *src, + unsigned i, unsigned j) +{ + assert(i < 2); + assert(j < 1); + + dst[0] = ubyte_to_float(src[1]); /* r */ + dst[1] = ubyte_to_float(src[0 + 2*i]); /* g */ + dst[2] = ubyte_to_float(src[3]); /* b */ + dst[3] = 1.0f; /* a */ +} + + +void +util_format_uyvy_unpack_float(float *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + + for (y = 0; y < height; y += 1) { + float *dst = dst_row; + const uint32_t *src = (const uint32_t *)src_row; + uint32_t value; + uint8_t y0, y1, u, v; + + for (x = 0; x + 1 < width; x += 2) { + value = *src++; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + u = (value >> 0) & 0xff; + y0 = (value >> 8) & 0xff; + v = (value >> 16) & 0xff; + y1 = (value >> 24) & 0xff; + + util_format_yuv_to_rgb_float(y0, u, v, &dst[0], &dst[1], &dst[2]); + dst[3] = 1.0f; /* a */ + dst += 4; + + util_format_yuv_to_rgb_float(y1, u, v, &dst[0], &dst[1], &dst[2]); + dst[3] = 1.0f; /* a */ + dst += 4; + } + + if (x < width) { + value = *src; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + u = (value >> 0) & 0xff; + y0 = (value >> 8) & 0xff; + v = (value >> 16) & 0xff; + y1 = (value >> 24) & 0xff; + + util_format_yuv_to_rgb_float(y0, u, v, &dst[0], &dst[1], &dst[2]); + dst[3] = 1.0f; /* a */ + } + + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + + +void +util_format_uyvy_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + + for (y = 0; y < height; y += 1) { + uint8_t *dst = dst_row; + const uint32_t *src = (const uint32_t *)src_row; + uint32_t value; + uint8_t y0, y1, u, v; + + for (x = 0; x + 1 < width; x += 2) { + value = *src++; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + u = (value >> 0) & 0xff; + y0 = (value >> 8) & 0xff; + v = (value >> 16) & 0xff; + y1 = (value >> 24) & 0xff; + + util_format_yuv_to_rgb_8unorm(y0, u, v, &dst[0], &dst[1], &dst[2]); + dst[3] = 0xff; /* a */ + dst += 4; + + util_format_yuv_to_rgb_8unorm(y1, u, v, &dst[0], &dst[1], &dst[2]); + dst[3] = 0xff; /* a */ + dst += 4; + } + + if (x < width) { + value = *src; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + u = (value >> 0) & 0xff; + y0 = (value >> 8) & 0xff; + v = (value >> 16) & 0xff; + y1 = (value >> 24) & 0xff; + + util_format_yuv_to_rgb_8unorm(y0, u, v, &dst[0], &dst[1], &dst[2]); + dst[3] = 0xff; /* a */ + } + + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + + +void +util_format_uyvy_pack_float(uint8_t *dst_row, unsigned dst_stride, + const float *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + + for (y = 0; y < height; y += 1) { + const float *src = src_row; + uint32_t *dst = (uint32_t *)dst_row; + uint8_t y0, y1, u, v; + uint32_t value; + + for (x = 0; x + 1 < width; x += 2) { + uint8_t y0, y1, u0, u1, v0, v1, u, v; + + util_format_rgb_float_to_yuv(src[0], src[1], src[2], + &y0, &u0, &v0); + util_format_rgb_float_to_yuv(src[4], src[5], src[6], + &y1, &u1, &v1); + + u = (u0 + u1 + 1) >> 1; + v = (v0 + v1 + 1) >> 1; + + value = u; + value |= y0 << 8; + value |= v << 16; + value |= y1 << 24; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + *dst++ = value; + + src += 8; + } + + if (x < width) { + util_format_rgb_float_to_yuv(src[0], src[1], src[2], + &y0, &u, &v); + y1 = 0; + + value = u; + value |= y0 << 8; + value |= v << 16; + value |= y1 << 24; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + *dst = value; + } + + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + + +void +util_format_uyvy_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + + for (y = 0; y < height; y += 1) { + const uint8_t *src = src_row; + uint32_t *dst = (uint32_t *)dst_row; + uint8_t y0, y1, u, v; + uint32_t value; + + for (x = 0; x + 1 < width; x += 2) { + uint8_t y0, y1, u0, u1, v0, v1, u, v; + + util_format_rgb_8unorm_to_yuv(src[0], src[1], src[2], + &y0, &u0, &v0); + util_format_rgb_8unorm_to_yuv(src[4], src[5], src[6], + &y1, &u1, &v1); + + u = (u0 + u1 + 1) >> 1; + v = (v0 + v1 + 1) >> 1; + + value = u; + value |= y0 << 8; + value |= v << 16; + value |= y1 << 24; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + *dst++ = value; + + src += 8; + } + + if (x < width) { + util_format_rgb_8unorm_to_yuv(src[0], src[1], src[2], + &y0, &u, &v); + y1 = 0; + + value = u; + value |= y0 << 8; + value |= v << 16; + value |= y1 << 24; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + *dst = value; + } + + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + + +void +util_format_uyvy_fetch_float(float *dst, const uint8_t *src, + unsigned i, unsigned j) +{ + uint8_t y, u, v; + + assert(i < 2); + assert(j < 1); + + y = src[1 + i*2]; + u = src[0]; + v = src[2]; + + util_format_yuv_to_rgb_float(y, u, v, &dst[0], &dst[1], &dst[2]); + + dst[3] = 1.0f; +} + + +void +util_format_yuyv_unpack_float(float *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + + for (y = 0; y < height; y += 1) { + float *dst = dst_row; + const uint32_t *src = (const uint32_t *)src_row; + uint32_t value; + uint8_t y0, y1, u, v; + + for (x = 0; x + 1 < width; x += 2) { + value = *src++; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + y0 = (value >> 0) & 0xff; + u = (value >> 8) & 0xff; + y1 = (value >> 16) & 0xff; + v = (value >> 24) & 0xff; + + util_format_yuv_to_rgb_float(y0, u, v, &dst[0], &dst[1], &dst[2]); + dst[3] = 1.0f; /* a */ + dst += 4; + + util_format_yuv_to_rgb_float(y1, u, v, &dst[0], &dst[1], &dst[2]); + dst[3] = 1.0f; /* a */ + dst += 4; + } + + if (x < width) { + value = *src; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + y0 = (value >> 0) & 0xff; + u = (value >> 8) & 0xff; + y1 = (value >> 16) & 0xff; + v = (value >> 24) & 0xff; + + util_format_yuv_to_rgb_float(y0, u, v, &dst[0], &dst[1], &dst[2]); + dst[3] = 1.0f; /* a */ + } + + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + + +void +util_format_yuyv_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + + for (y = 0; y < height; y += 1) { + uint8_t *dst = dst_row; + const uint32_t *src = (const uint32_t *)src_row; + uint32_t value; + uint8_t y0, y1, u, v; + + for (x = 0; x + 1 < width; x += 2) { + value = *src++; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + y0 = (value >> 0) & 0xff; + u = (value >> 8) & 0xff; + y1 = (value >> 16) & 0xff; + v = (value >> 24) & 0xff; + + util_format_yuv_to_rgb_8unorm(y0, u, v, &dst[0], &dst[1], &dst[2]); + dst[3] = 0xff; /* a */ + dst += 4; + + util_format_yuv_to_rgb_8unorm(y1, u, v, &dst[0], &dst[1], &dst[2]); + dst[3] = 0xff; /* a */ + dst += 4; + } + + if (x < width) { + value = *src; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + y0 = (value >> 0) & 0xff; + u = (value >> 8) & 0xff; + y1 = (value >> 16) & 0xff; + v = (value >> 24) & 0xff; + + util_format_yuv_to_rgb_8unorm(y0, u, v, &dst[0], &dst[1], &dst[2]); + dst[3] = 0xff; /* a */ + } + + src_row += src_stride/sizeof(*src_row); + dst_row += dst_stride/sizeof(*dst_row); + } +} + + +void +util_format_yuyv_pack_float(uint8_t *dst_row, unsigned dst_stride, + const float *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + + for (y = 0; y < height; y += 1) { + const float *src = src_row; + uint32_t *dst = (uint32_t *)dst_row; + uint8_t y0, y1, u, v; + uint32_t value; + + for (x = 0; x + 1 < width; x += 2) { + uint8_t y0, y1, u0, u1, v0, v1, u, v; + + util_format_rgb_float_to_yuv(src[0], src[1], src[2], + &y0, &u0, &v0); + util_format_rgb_float_to_yuv(src[4], src[5], src[6], + &y1, &u1, &v1); + + u = (u0 + u1 + 1) >> 1; + v = (v0 + v1 + 1) >> 1; + + value = y0; + value |= u << 8; + value |= y1 << 16; + value |= v << 24; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + *dst++ = value; + + src += 8; + } + + if (x < width) { + util_format_rgb_float_to_yuv(src[0], src[1], src[2], + &y0, &u, &v); + y1 = 0; + + value = y0; + value |= u << 8; + value |= y1 << 16; + value |= v << 24; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + *dst = value; + } + + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + + +void +util_format_yuyv_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height) +{ + unsigned x, y; + + for (y = 0; y < height; y += 1) { + const uint8_t *src = src_row; + uint32_t *dst = (uint32_t *)dst_row; + uint8_t y0, y1, u, v; + uint32_t value; + + for (x = 0; x + 1 < width; x += 2) { + uint8_t y0, y1, u0, u1, v0, v1, u, v; + + util_format_rgb_8unorm_to_yuv(src[0], src[1], src[2], + &y0, &u0, &v0); + util_format_rgb_8unorm_to_yuv(src[4], src[5], src[6], + &y1, &u1, &v1); + + u = (u0 + u1 + 1) >> 1; + v = (v0 + v1 + 1) >> 1; + + value = y0; + value |= u << 8; + value |= y1 << 16; + value |= v << 24; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + *dst++ = value; + + src += 8; + } + + if (x < width) { + util_format_rgb_8unorm_to_yuv(src[0], src[1], src[2], + &y0, &u, &v); + y1 = 0; + + value = y0; + value |= u << 8; + value |= y1 << 16; + value |= v << 24; + +#ifdef PIPE_ARCH_BIG_ENDIAN + value = util_bswap32(value); +#endif + + *dst = value; + } + + dst_row += dst_stride/sizeof(*dst_row); + src_row += src_stride/sizeof(*src_row); + } +} + + +void +util_format_yuyv_fetch_float(float *dst, const uint8_t *src, + unsigned i, unsigned j) +{ + uint8_t y, u, v; + + assert(i < 2); + assert(j < 1); + + y = src[0 + i*2]; + u = src[1]; + v = src[3]; + + util_format_yuv_to_rgb_float(y, u, v, &dst[0], &dst[1], &dst[2]); + + dst[3] = 1.0f; +} diff --git a/src/gallium/auxiliary/util/u_format_yuv.h b/src/gallium/auxiliary/util/u_format_yuv.h new file mode 100644 index 0000000000..10cf678480 --- /dev/null +++ b/src/gallium/auxiliary/util/u_format_yuv.h @@ -0,0 +1,223 @@ +/************************************************************************** + * + * Copyright 2010 VMware, 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. + * + **************************************************************************/ + + +/** + * @file + * YUV colorspace conversion. + * + * @author Brian Paul <brianp@vmware.com> + * @author Michal Krol <michal@vmware.com> + * @author Jose Fonseca <jfonseca@vmware.com> + * + * See also: + * - http://www.fourcc.org/fccyvrgb.php + * - http://msdn.microsoft.com/en-us/library/ms893078 + * - http://en.wikipedia.org/wiki/YUV + */ + + +#ifndef U_FORMAT_YUV_H_ +#define U_FORMAT_YUV_H_ + + +#include "pipe/p_compiler.h" +#include "u_math.h" + + +/* + * TODO: Ensure we use consistent and right floating formulas, with enough + * precision in the coefficients. + */ + +static INLINE void +util_format_rgb_float_to_yuv(float r, float g, float b, + uint8_t *y, uint8_t *u, uint8_t *v) +{ + const float _r = CLAMP(r, 0.0f, 1.0f); + const float _g = CLAMP(g, 0.0f, 1.0f); + const float _b = CLAMP(b, 0.0f, 1.0f); + + const float scale = 255.0f; + + const int _y = scale * ( (0.257f * _r) + (0.504f * _g) + (0.098f * _b)); + const int _u = scale * (-(0.148f * _r) - (0.291f * _g) + (0.439f * _b)); + const int _v = scale * ( (0.439f * _r) - (0.368f * _g) - (0.071f * _b)); + + *y = _y + 16; + *u = _u + 128; + *v = _v + 128; +} + + +static INLINE void +util_format_yuv_to_rgb_float(uint8_t y, uint8_t u, uint8_t v, + float *r, float *g, float *b) +{ + const int _y = y - 16; + const int _u = u - 128; + const int _v = v - 128; + + const float y_factor = 255.0f / 219.0f; + + const float scale = 1.0f / 255.0f; + + *r = scale * (y_factor * _y + 1.596f * _v); + *g = scale * (y_factor * _y - 0.391f * _u - 0.813f * _v); + *b = scale * (y_factor * _y + 2.018f * _u ); +} + + +static INLINE void +util_format_rgb_8unorm_to_yuv(uint8_t r, uint8_t g, uint8_t b, + uint8_t *y, uint8_t *u, uint8_t *v) +{ + *y = (( 66 * r + 129 * g + 25 * b + 128) >> 8) + 16; + *u = (( -38 * r - 74 * g + 112 * b + 128) >> 8) + 128; + *v = (( 112 * r - 94 * g - 18 * b + 128) >> 8) + 128; +} + + +static INLINE void +util_format_yuv_to_rgb_8unorm(uint8_t y, uint8_t u, uint8_t v, + uint8_t *r, uint8_t *g, uint8_t *b) +{ + const int _y = y - 16; + const int _u = u - 128; + const int _v = v - 128; + + const int _r = (298 * _y + 409 * _v + 128) >> 8; + const int _g = (298 * _y - 100 * _u - 208 * _v + 128) >> 8; + const int _b = (298 * _y + 516 * _u + 128) >> 8; + + *r = CLAMP(_r, 0, 255); + *g = CLAMP(_g, 0, 255); + *b = CLAMP(_b, 0, 255); +} + + + +void +util_format_uyvy_unpack_float(float *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height); + +void +util_format_uyvy_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height); + +void +util_format_uyvy_pack_float(uint8_t *dst_row, unsigned dst_stride, + const float *src_row, unsigned src_stride, + unsigned width, unsigned height); + +void +util_format_uyvy_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height); + +void +util_format_uyvy_fetch_float(float *dst, const uint8_t *src, + unsigned i, unsigned j); + +void +util_format_yuyv_unpack_float(float *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height); + +void +util_format_yuyv_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height); + +void +util_format_yuyv_pack_float(uint8_t *dst_row, unsigned dst_stride, + const float *src_row, unsigned src_stride, + unsigned width, unsigned height); + +void +util_format_yuyv_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height); + +void +util_format_yuyv_fetch_float(float *dst, const uint8_t *src, + unsigned i, unsigned j); + + +void +util_format_r8g8_b8g8_unorm_unpack_float(float *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height); + +void +util_format_r8g8_b8g8_unorm_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height); + +void +util_format_r8g8_b8g8_unorm_pack_float(uint8_t *dst_row, unsigned dst_stride, + const float *src_row, unsigned src_stride, + unsigned width, unsigned height); + +void +util_format_r8g8_b8g8_unorm_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height); + +void +util_format_r8g8_b8g8_unorm_fetch_float(float *dst, const uint8_t *src, + unsigned i, unsigned j); + +void +util_format_g8r8_g8b8_unorm_unpack_float(float *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height); + +void +util_format_g8r8_g8b8_unorm_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height); + +void +util_format_g8r8_g8b8_unorm_pack_float(uint8_t *dst_row, unsigned dst_stride, + const float *src_row, unsigned src_stride, + unsigned width, unsigned height); + +void +util_format_g8r8_g8b8_unorm_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, + const uint8_t *src_row, unsigned src_stride, + unsigned width, unsigned height); + +void +util_format_g8r8_g8b8_unorm_fetch_float(float *dst, const uint8_t *src, + unsigned i, unsigned j); + + + +#endif /* U_FORMAT_YUV_H_ */ |