Mesa (master): util: Support all SRGB formats.
Jose Fonseca
jrfonseca at kemper.freedesktop.org
Tue Apr 6 15:01:26 UTC 2010
Module: Mesa
Branch: master
Commit: 10dd0cad67ebd0476c9e4de522af3eea136b0e93
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=10dd0cad67ebd0476c9e4de522af3eea136b0e93
Author: José Fonseca <jfonseca at vmware.com>
Date: Sun Apr 4 20:12:02 2010 +0100
util: Support all SRGB formats.
Based on code from Brian Paul and Michal Krol.
---
src/gallium/auxiliary/Makefile | 8 +-
src/gallium/auxiliary/SConscript | 8 ++
src/gallium/auxiliary/util/.gitignore | 1 +
src/gallium/auxiliary/util/u_format_pack.py | 90 ++++++++++++++++++-----
src/gallium/auxiliary/util/u_format_srgb.h | 106 +++++++++++++++++++++++++++
src/gallium/auxiliary/util/u_format_srgb.py | 101 +++++++++++++++++++++++++
src/gallium/auxiliary/util/u_format_tests.c | 95 ++++++++++++++++++++++++-
7 files changed, 386 insertions(+), 23 deletions(-)
diff --git a/src/gallium/auxiliary/Makefile b/src/gallium/auxiliary/Makefile
index 843778d..2258a48 100644
--- a/src/gallium/auxiliary/Makefile
+++ b/src/gallium/auxiliary/Makefile
@@ -107,6 +107,7 @@ C_SOURCES = \
util/u_draw_quad.c \
util/u_format.c \
util/u_format_s3tc.c \
+ util/u_format_srgb.c \
util/u_format_table.c \
util/u_format_tests.c \
util/u_gen_mipmap.c \
@@ -169,6 +170,7 @@ GALLIVM_CPP_SOURCES = \
GENERATED_SOURCES = \
indices/u_indices_gen.c \
indices/u_unfilled_gen.c \
+ util/u_format_srgb.c \
util/u_format_table.c \
util/u_half.c
@@ -193,11 +195,11 @@ indices/u_indices_gen.c: indices/u_indices_gen.py
indices/u_unfilled_gen.c: indices/u_unfilled_gen.py
python $< > $@
+util/u_format_srgb.c: util/u_format_srgb.py
+ python $< > $@
+
util/u_format_table.c: util/u_format_table.py util/u_format_pack.py util/u_format_parse.py util/u_format.csv
python util/u_format_table.py util/u_format.csv > $@
-util/u_format_access.c: util/u_format_access.py util/u_format_parse.py util/u_format.csv
- python util/u_format_access.py util/u_format.csv > $@
-
util/u_half.c: util/u_half.py
python util/u_half.py > $@
diff --git a/src/gallium/auxiliary/SConscript b/src/gallium/auxiliary/SConscript
index 73d4150..e68b321 100644
--- a/src/gallium/auxiliary/SConscript
+++ b/src/gallium/auxiliary/SConscript
@@ -24,6 +24,13 @@ env.CodeGenerate(
)
env.CodeGenerate(
+ target = 'util/u_format_srgb.c',
+ script = 'util/u_format_srgb.py',
+ source = [],
+ command = python_cmd + ' $SCRIPT > $TARGET'
+)
+
+env.CodeGenerate(
target = 'util/u_format_table.c',
script = 'util/u_format_table.py',
source = ['util/u_format.csv'],
@@ -149,6 +156,7 @@ source = [
'util/u_draw_quad.c',
'util/u_format.c',
'util/u_format_s3tc.c',
+ 'util/u_format_srgb.c',
'util/u_format_table.c',
'util/u_format_tests.c',
'util/u_gen_mipmap.c',
diff --git a/src/gallium/auxiliary/util/.gitignore b/src/gallium/auxiliary/util/.gitignore
index 53fe9b8..da74de6 100644
--- a/src/gallium/auxiliary/util/.gitignore
+++ b/src/gallium/auxiliary/util/.gitignore
@@ -1 +1,2 @@
+u_format_srgb.c
u_format_table.c
diff --git a/src/gallium/auxiliary/util/u_format_pack.py b/src/gallium/auxiliary/util/u_format_pack.py
index 390be0c..3d89c68 100644
--- a/src/gallium/auxiliary/util/u_format_pack.py
+++ b/src/gallium/auxiliary/util/u_format_pack.py
@@ -91,20 +91,6 @@ def generate_format_type(format):
print
-def generate_srgb_tables():
- print 'static ubyte srgb_to_linear[256] = {'
- for i in range(256):
- print ' %s,' % (int(math.pow((i / 255.0 + 0.055) / 1.055, 2.4) * 255))
- print '};'
- print
- print 'static ubyte linear_to_srgb[256] = {'
- print ' 0,'
- for i in range(1, 256):
- print ' %s,' % (int((1.055 * math.pow(i / 255.0, 0.41666) - 0.055) * 255))
- print '};'
- print
-
-
def bswap_format(format):
'''Generate a structure that describes the format.'''
@@ -225,9 +211,46 @@ def clamp_expr(src_channel, dst_channel, dst_native_type, value):
return value
-def conversion_expr(src_channel, dst_channel, dst_native_type, value, clamp=True):
+def conversion_expr(src_channel,
+ dst_channel, dst_native_type,
+ value,
+ clamp=True,
+ src_colorspace = 'rgb',
+ dst_colorspace = 'rgb'):
'''Generate the expression to convert a value between two types.'''
+ if src_colorspace != dst_colorspace:
+ if src_colorspace == 'srgb':
+ assert src_channel.type == UNSIGNED
+ assert src_channel.norm
+ assert src_channel.size == 8
+ assert dst_colorspace == 'rgb'
+ if dst_channel.type == FLOAT:
+ return 'util_format_srgb_8unorm_to_linear_float(%s)' % value
+ else:
+ assert dst_channel.type == UNSIGNED
+ assert dst_channel.norm
+ assert dst_channel.size == 8
+ return 'util_format_srgb_to_linear_8unorm(%s)' % value
+ elif dst_colorspace == 'srgb':
+ assert dst_channel.type == UNSIGNED
+ assert dst_channel.norm
+ assert dst_channel.size == 8
+ assert src_colorspace == 'rgb'
+ if src_channel.type == FLOAT:
+ return 'util_format_linear_float_to_srgb_8unorm(%s)' % value
+ else:
+ assert src_channel.type == UNSIGNED
+ assert src_channel.norm
+ assert src_channel.size == 8
+ return 'util_format_linear_to_srgb_8unorm(%s)' % value
+ elif src_colorspace == 'zs':
+ pass
+ elif dst_colorspace == 'zs':
+ pass
+ else:
+ assert 0
+
if src_channel == dst_channel:
return value
@@ -373,8 +396,15 @@ def generate_unpack_kernel(format, dst_channel, dst_native_type):
swizzle = format.swizzles[i]
if swizzle < 4:
src_channel = format.channels[swizzle]
+ src_colorspace = format.colorspace
+ if src_colorspace == 'srgb' and i == 3:
+ # Alpha channel is linear
+ src_colorspace = 'rgb'
value = src_channel.name
- value = conversion_expr(src_channel, dst_channel, dst_native_type, value)
+ value = conversion_expr(src_channel,
+ dst_channel, dst_native_type,
+ value,
+ src_colorspace = src_colorspace)
elif swizzle == SWIZZLE_0:
value = '0'
elif swizzle == SWIZZLE_1:
@@ -399,8 +429,15 @@ def generate_unpack_kernel(format, dst_channel, dst_native_type):
swizzle = format.swizzles[i]
if swizzle < 4:
src_channel = format.channels[swizzle]
+ src_colorspace = format.colorspace
+ if src_colorspace == 'srgb' and i == 3:
+ # Alpha channel is linear
+ src_colorspace = 'rgb'
value = 'pixel.chan.%s' % src_channel.name
- value = conversion_expr(src_channel, dst_channel, dst_native_type, value)
+ value = conversion_expr(src_channel,
+ dst_channel, dst_native_type,
+ value,
+ src_colorspace = src_colorspace)
elif swizzle == SWIZZLE_0:
value = '0'
elif swizzle == SWIZZLE_1:
@@ -437,7 +474,14 @@ def generate_pack_kernel(format, src_channel, src_native_type):
dst_channel = format.channels[i]
if inv_swizzle[i] is not None:
value ='src[%u]' % inv_swizzle[i]
- value = conversion_expr(src_channel, dst_channel, dst_native_type, value)
+ dst_colorspace = format.colorspace
+ if dst_colorspace == 'srgb' and inv_swizzle[i] == 3:
+ # Alpha channel is linear
+ dst_colorspace = 'rgb'
+ value = conversion_expr(src_channel,
+ dst_channel, dst_native_type,
+ value,
+ dst_colorspace = dst_colorspace)
if format.colorspace == ZS:
if i == 3:
value = get_one(dst_channel)
@@ -473,8 +517,15 @@ def generate_pack_kernel(format, src_channel, src_native_type):
width = dst_channel.size
if inv_swizzle[i] is None:
continue
+ dst_colorspace = format.colorspace
+ if dst_colorspace == 'srgb' and inv_swizzle[i] == 3:
+ # Alpha channel is linear
+ dst_colorspace = 'rgb'
value ='src[%u]' % inv_swizzle[i]
- value = conversion_expr(src_channel, dst_channel, dst_native_type, value)
+ value = conversion_expr(src_channel,
+ dst_channel, dst_native_type,
+ value,
+ dst_colorspace = dst_colorspace)
if format.colorspace == ZS:
if i == 3:
value = get_one(dst_channel)
@@ -565,6 +616,7 @@ def generate(formats):
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_half.h"'
print
diff --git a/src/gallium/auxiliary/util/u_format_srgb.h b/src/gallium/auxiliary/util/u_format_srgb.h
new file mode 100644
index 0000000..43213fb
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_format_srgb.h
@@ -0,0 +1,106 @@
+/**************************************************************************
+ *
+ * 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
+ * SRGB translation.
+ *
+ * @author Brian Paul <brianp at vmware.com>
+ * @author Michal Krol <michal at vmware.com>
+ * @author Jose Fonseca <jfonseca at vmware.com>
+ */
+
+#ifndef U_FORMAT_SRGB_H_
+#define U_FORMAT_SRGB_H_
+
+
+#include "pipe/p_compiler.h"
+#include "u_math.h"
+
+
+extern const float
+util_format_srgb_8unorm_to_linear_float_table[256];
+
+extern const uint8_t
+util_format_srgb_to_linear_8unorm_table[256];
+
+extern const uint8_t
+util_format_linear_to_srgb_8unorm_table[256];
+
+
+/**
+ * Convert a unclamped linear float to srgb value in the [0,255].
+ * XXX this hasn't been tested (render to srgb surface).
+ * XXX this needs optimization.
+ */
+static INLINE uint8_t
+util_format_linear_float_to_srgb_8unorm(float x)
+{
+ if (x >= 1.0f)
+ return 255;
+ else if (x >= 0.0031308f)
+ return float_to_ubyte(1.055f * powf(x, 0.41666f) - 0.055f);
+ else if (x > 0.0f)
+ return float_to_ubyte(12.92f * x);
+ else
+ return 0;
+}
+
+
+/**
+ * Convert an 8-bit sRGB value from non-linear space to a
+ * linear RGB value in [0, 1].
+ * Implemented with a 256-entry lookup table.
+ */
+static INLINE float
+util_format_srgb_8unorm_to_linear_float(uint8_t x)
+{
+ return util_format_srgb_8unorm_to_linear_float_table[x];
+}
+
+
+/**
+ * Convert a 8bit normalized value from linear to srgb.
+ */
+static INLINE uint8_t
+util_format_linear_to_srgb_8unorm(uint8_t x)
+{
+ return util_format_linear_to_srgb_8unorm_table[x];
+}
+
+
+/**
+ * Convert a 8bit normalized value from srgb to linear.
+ */
+static INLINE uint8_t
+util_format_srgb_to_linear_8unorm(uint8_t x)
+{
+ return util_format_srgb_to_linear_8unorm_table[x];
+}
+
+
+#endif /* U_FORMAT_SRGB_H_ */
diff --git a/src/gallium/auxiliary/util/u_format_srgb.py b/src/gallium/auxiliary/util/u_format_srgb.py
new file mode 100644
index 0000000..a4c76dc
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_format_srgb.py
@@ -0,0 +1,101 @@
+#!/usr/bin/env python
+
+'''
+/**************************************************************************
+ *
+ * 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 above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * 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 VMWARE 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.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * SRGB translation.
+ *
+ * @author Brian Paul <brianp at vmware.com>
+ * @author Michal Krol <michal at vmware.com>
+ * @author Jose Fonseca <jfonseca at vmware.com>
+ */
+'''
+
+
+import sys
+import math
+
+
+def srgb_to_linear(x):
+ if x <= 0.04045:
+ return x / 12.92
+ else:
+ return math.pow((x + 0.055) / 1.055, 2.4)
+
+
+def linear_to_srgb(x):
+ if x >= 0.0031308:
+ return 1.055 * math.pow(x, 0.41666) - 0.055
+ else:
+ return 12.92 * x
+
+def generate_srgb_tables():
+ print 'const float'
+ print 'util_format_srgb_8unorm_to_linear_float_table[256] = {'
+ for j in range(0, 256, 4):
+ print ' ',
+ for i in range(j, j + 4):
+ print '%.7e,' % (srgb_to_linear(i / 255.0),),
+ print
+ print '};'
+ print
+ print 'const uint8_t'
+ print 'util_format_srgb_to_linear_8unorm_table[256] = {'
+ for j in range(0, 256, 16):
+ print ' ',
+ for i in range(j, j + 16):
+ print '%3u,' % (int(srgb_to_linear(i / 255.0) * 255.0 + 0.5),),
+ print
+ print '};'
+ print
+ print 'const uint8_t'
+ print 'util_format_linear_to_srgb_8unorm_table[256] = {'
+ for j in range(0, 256, 16):
+ print ' ',
+ for i in range(j, j + 16):
+ print '%3u,' % (int(linear_to_srgb(i / 255.0) * 255.0 + 0.5),),
+ print
+ print '};'
+ print
+
+
+def main():
+ print '/* This file is autogenerated by u_format_srgb.py. Do not edit directly. */'
+ print
+ # This will print the copyright message on the top of this file
+ print __doc__.strip()
+ print
+ print '#include "u_format_srgb.h"'
+ print
+ generate_srgb_tables()
+
+
+if __name__ == '__main__':
+ main()
diff --git a/src/gallium/auxiliary/util/u_format_tests.c b/src/gallium/auxiliary/util/u_format_tests.c
index 0f81dcb..a16e676 100644
--- a/src/gallium/auxiliary/util/u_format_tests.c
+++ b/src/gallium/auxiliary/util/u_format_tests.c
@@ -175,9 +175,102 @@ util_format_test_cases[] =
{PIPE_FORMAT_L16_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xffff), UNPACKED_1x1(1.0, 1.0, 1.0, 1.0)},
/*
- * TODO: SRGB formats
+ * SRGB formats
+ *
+ * FIXME: Alpha appears to be linear.
*/
+ {PIPE_FORMAT_L8_SRGB, PACKED_1x8(0xff), PACKED_1x8(0x00), UNPACKED_1x1(0.0, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_L8_SRGB, PACKED_1x8(0xff), PACKED_1x8(0xbc), UNPACKED_1x1(0.502886458033, 0.502886458033, 0.502886458033, 1.0)},
+ {PIPE_FORMAT_L8_SRGB, PACKED_1x8(0xff), PACKED_1x8(0xff), UNPACKED_1x1(1.0, 1.0, 1.0, 1.0)},
+
+ {PIPE_FORMAT_L8A8_SRGB, PACKED_1x16(0xffff), PACKED_1x16(0x0000), UNPACKED_1x1(0.0, 0.0, 0.0, 0.0)},
+ {PIPE_FORMAT_L8A8_SRGB, PACKED_1x16(0xffff), PACKED_1x16(0x00bc), UNPACKED_1x1(0.502886458033, 0.502886458033, 0.502886458033, 0.0)},
+ {PIPE_FORMAT_L8A8_SRGB, PACKED_1x16(0xffff), PACKED_1x16(0x00ff), UNPACKED_1x1(1.0, 1.0, 1.0, 0.0)},
+ {PIPE_FORMAT_L8A8_SRGB, PACKED_1x16(0xffff), PACKED_1x16(0xcc00), UNPACKED_1x1(0.0, 0.0, 0.0, 0.8)},
+ {PIPE_FORMAT_L8A8_SRGB, PACKED_1x16(0xffff), PACKED_1x16(0xff00), UNPACKED_1x1(0.0, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_L8A8_SRGB, PACKED_1x16(0xffff), PACKED_1x16(0xffff), UNPACKED_1x1(1.0, 1.0, 1.0, 1.0)},
+
+ {PIPE_FORMAT_R8G8B8_SRGB, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0x00, 0x00), UNPACKED_1x1(0.0, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_R8G8B8_SRGB, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0xbc, 0x00, 0x00), UNPACKED_1x1(0.502886458033, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_R8G8B8_SRGB, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0xff, 0x00, 0x00), UNPACKED_1x1(1.0, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_R8G8B8_SRGB, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0xbc, 0x00), UNPACKED_1x1(0.0, 0.502886458033, 0.0, 1.0)},
+ {PIPE_FORMAT_R8G8B8_SRGB, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0xff, 0x00), UNPACKED_1x1(0.0, 1.0, 0.0, 1.0)},
+ {PIPE_FORMAT_R8G8B8_SRGB, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0x00, 0xbc), UNPACKED_1x1(0.0, 0.0, 0.502886458033, 1.0)},
+ {PIPE_FORMAT_R8G8B8_SRGB, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0x00, 0xff), UNPACKED_1x1(0.0, 0.0, 1.0, 1.0)},
+ {PIPE_FORMAT_R8G8B8_SRGB, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0xff, 0xff, 0xff), UNPACKED_1x1(1.0, 1.0, 1.0, 1.0)},
+
+ {PIPE_FORMAT_R8G8B8A8_SRGB, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x00, 0x00), UNPACKED_1x1(0.0, 0.0, 0.0, 0.0)},
+ {PIPE_FORMAT_R8G8B8A8_SRGB, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0xbc, 0x00, 0x00, 0x00), UNPACKED_1x1(0.502886458033, 0.0, 0.0, 0.0)},
+ {PIPE_FORMAT_R8G8B8A8_SRGB, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0xff, 0x00, 0x00, 0x00), UNPACKED_1x1(1.0, 0.0, 0.0, 0.0)},
+ {PIPE_FORMAT_R8G8B8A8_SRGB, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0xbc, 0x00, 0x00), UNPACKED_1x1(0.0, 0.502886458033, 0.0, 0.0)},
+ {PIPE_FORMAT_R8G8B8A8_SRGB, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0xff, 0x00, 0x00), UNPACKED_1x1(0.0, 1.0, 0.0, 0.0)},
+ {PIPE_FORMAT_R8G8B8A8_SRGB, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0xbc, 0x00), UNPACKED_1x1(0.0, 0.0, 0.502886458033, 0.0)},
+ {PIPE_FORMAT_R8G8B8A8_SRGB, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0xff, 0x00), UNPACKED_1x1(0.0, 0.0, 1.0, 0.0)},
+ {PIPE_FORMAT_R8G8B8A8_SRGB, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x00, 0xcc), UNPACKED_1x1(0.0, 0.0, 0.0, 0.8)},
+ {PIPE_FORMAT_R8G8B8A8_SRGB, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x00, 0xff), UNPACKED_1x1(0.0, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_R8G8B8A8_SRGB, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0xff, 0xff, 0xff, 0xff), UNPACKED_1x1(1.0, 1.0, 1.0, 1.0)},
+
+ {PIPE_FORMAT_B8G8R8A8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), UNPACKED_1x1(0.0, 0.0, 0.0, 0.0)},
+ {PIPE_FORMAT_B8G8R8A8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x000000bc), UNPACKED_1x1(0.0, 0.0, 0.502886458033, 0.0)},
+ {PIPE_FORMAT_B8G8R8A8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x000000ff), UNPACKED_1x1(0.0, 0.0, 1.0, 0.0)},
+ {PIPE_FORMAT_B8G8R8A8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x0000bc00), UNPACKED_1x1(0.0, 0.502886458033, 0.0, 0.0)},
+ {PIPE_FORMAT_B8G8R8A8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x0000ff00), UNPACKED_1x1(0.0, 1.0, 0.0, 0.0)},
+ {PIPE_FORMAT_B8G8R8A8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x00bc0000), UNPACKED_1x1(0.502886458033, 0.0, 0.0, 0.0)},
+ {PIPE_FORMAT_B8G8R8A8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x00ff0000), UNPACKED_1x1(1.0, 0.0, 0.0, 0.0)},
+ {PIPE_FORMAT_B8G8R8A8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0xcc000000), UNPACKED_1x1(0.0, 0.0, 0.0, 0.8)},
+ {PIPE_FORMAT_B8G8R8A8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0xff000000), UNPACKED_1x1(0.0, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_B8G8R8A8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0xffffffff), UNPACKED_1x1(1.0, 1.0, 1.0, 1.0)},
+
+ {PIPE_FORMAT_B8G8R8X8_SRGB, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00000000), UNPACKED_1x1(0.0, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_B8G8R8X8_SRGB, PACKED_1x32(0x00ffffff), PACKED_1x32(0x000000bc), UNPACKED_1x1(0.0, 0.0, 0.502886458033, 1.0)},
+ {PIPE_FORMAT_B8G8R8X8_SRGB, PACKED_1x32(0x00ffffff), PACKED_1x32(0x000000ff), UNPACKED_1x1(0.0, 0.0, 1.0, 1.0)},
+ {PIPE_FORMAT_B8G8R8X8_SRGB, PACKED_1x32(0x00ffffff), PACKED_1x32(0x0000bc00), UNPACKED_1x1(0.0, 0.502886458033, 0.0, 1.0)},
+ {PIPE_FORMAT_B8G8R8X8_SRGB, PACKED_1x32(0x00ffffff), PACKED_1x32(0x0000ff00), UNPACKED_1x1(0.0, 1.0, 0.0, 1.0)},
+ {PIPE_FORMAT_B8G8R8X8_SRGB, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00bc0000), UNPACKED_1x1(0.502886458033, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_B8G8R8X8_SRGB, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00ff0000), UNPACKED_1x1(1.0, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_B8G8R8X8_SRGB, PACKED_1x32(0x00ffffff), PACKED_1x32(0xffffffff), UNPACKED_1x1(1.0, 1.0, 1.0, 1.0)},
+
+ {PIPE_FORMAT_A8R8G8B8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), UNPACKED_1x1(0.0, 0.0, 0.0, 0.0)},
+ {PIPE_FORMAT_A8R8G8B8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x000000cc), UNPACKED_1x1(0.0, 0.0, 0.0, 0.8)},
+ {PIPE_FORMAT_A8R8G8B8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x000000ff), UNPACKED_1x1(0.0, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_A8R8G8B8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x0000bc00), UNPACKED_1x1(0.502886458033, 0.0, 0.0, 0.0)},
+ {PIPE_FORMAT_A8R8G8B8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x0000ff00), UNPACKED_1x1(1.0, 0.0, 0.0, 0.0)},
+ {PIPE_FORMAT_A8R8G8B8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x00bc0000), UNPACKED_1x1(0.0, 0.502886458033, 0.0, 0.0)},
+ {PIPE_FORMAT_A8R8G8B8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x00ff0000), UNPACKED_1x1(0.0, 1.0, 0.0, 0.0)},
+ {PIPE_FORMAT_A8R8G8B8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0xbc000000), UNPACKED_1x1(0.0, 0.0, 0.502886458033, 0.0)},
+ {PIPE_FORMAT_A8R8G8B8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0xff000000), UNPACKED_1x1(0.0, 0.0, 1.0, 0.0)},
+ {PIPE_FORMAT_A8R8G8B8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0xffffffff), UNPACKED_1x1(1.0, 1.0, 1.0, 1.0)},
+
+ {PIPE_FORMAT_X8R8G8B8_SRGB, PACKED_1x32(0xffffff00), PACKED_1x32(0x00000000), UNPACKED_1x1(0.0, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_X8R8G8B8_SRGB, PACKED_1x32(0xffffff00), PACKED_1x32(0x0000bc00), UNPACKED_1x1(0.502886458033, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_X8R8G8B8_SRGB, PACKED_1x32(0xffffff00), PACKED_1x32(0x0000ff00), UNPACKED_1x1(1.0, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_X8R8G8B8_SRGB, PACKED_1x32(0xffffff00), PACKED_1x32(0x00bc0000), UNPACKED_1x1(0.0, 0.502886458033, 0.0, 1.0)},
+ {PIPE_FORMAT_X8R8G8B8_SRGB, PACKED_1x32(0xffffff00), PACKED_1x32(0x00ff0000), UNPACKED_1x1(0.0, 1.0, 0.0, 1.0)},
+ {PIPE_FORMAT_X8R8G8B8_SRGB, PACKED_1x32(0xffffff00), PACKED_1x32(0xbc000000), UNPACKED_1x1(0.0, 0.0, 0.502886458033, 1.0)},
+ {PIPE_FORMAT_X8R8G8B8_SRGB, PACKED_1x32(0xffffff00), PACKED_1x32(0xff000000), UNPACKED_1x1(0.0, 0.0, 1.0, 1.0)},
+ {PIPE_FORMAT_X8R8G8B8_SRGB, PACKED_1x32(0xffffff00), PACKED_1x32(0xffffffff), UNPACKED_1x1(1.0, 1.0, 1.0, 1.0)},
+
+ {PIPE_FORMAT_A8B8G8R8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), UNPACKED_1x1(0.0, 0.0, 0.0, 0.0)},
+ {PIPE_FORMAT_A8B8G8R8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x000000cc), UNPACKED_1x1(0.0, 0.0, 0.0, 0.8)},
+ {PIPE_FORMAT_A8B8G8R8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x000000ff), UNPACKED_1x1(0.0, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_A8B8G8R8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x0000bc00), UNPACKED_1x1(0.0, 0.0, 0.502886458033, 0.0)},
+ {PIPE_FORMAT_A8B8G8R8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x0000ff00), UNPACKED_1x1(0.0, 0.0, 1.0, 0.0)},
+ {PIPE_FORMAT_A8B8G8R8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x00bc0000), UNPACKED_1x1(0.0, 0.502886458033, 0.0, 0.0)},
+ {PIPE_FORMAT_A8B8G8R8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0x00ff0000), UNPACKED_1x1(0.0, 1.0, 0.0, 0.0)},
+ {PIPE_FORMAT_A8B8G8R8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0xbc000000), UNPACKED_1x1(0.502886458033, 0.0, 0.0, 0.0)},
+ {PIPE_FORMAT_A8B8G8R8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0xff000000), UNPACKED_1x1(1.0, 0.0, 0.0, 0.0)},
+ {PIPE_FORMAT_A8B8G8R8_SRGB, PACKED_1x32(0xffffffff), PACKED_1x32(0xffffffff), UNPACKED_1x1(1.0, 1.0, 1.0, 1.0)},
+
+ {PIPE_FORMAT_X8B8G8R8_SRGB, PACKED_1x32(0xffffff00), PACKED_1x32(0x00000000), UNPACKED_1x1(0.0, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_X8B8G8R8_SRGB, PACKED_1x32(0xffffff00), PACKED_1x32(0x0000bc00), UNPACKED_1x1(0.0, 0.0, 0.502886458033, 1.0)},
+ {PIPE_FORMAT_X8B8G8R8_SRGB, PACKED_1x32(0xffffff00), PACKED_1x32(0x0000ff00), UNPACKED_1x1(0.0, 0.0, 1.0, 1.0)},
+ {PIPE_FORMAT_X8B8G8R8_SRGB, PACKED_1x32(0xffffff00), PACKED_1x32(0x00bc0000), UNPACKED_1x1(0.0, 0.502886458033, 0.0, 1.0)},
+ {PIPE_FORMAT_X8B8G8R8_SRGB, PACKED_1x32(0xffffff00), PACKED_1x32(0x00ff0000), UNPACKED_1x1(0.0, 1.0, 0.0, 1.0)},
+ {PIPE_FORMAT_X8B8G8R8_SRGB, PACKED_1x32(0xffffff00), PACKED_1x32(0xbc000000), UNPACKED_1x1(0.502886458033, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_X8B8G8R8_SRGB, PACKED_1x32(0xffffff00), PACKED_1x32(0xff000000), UNPACKED_1x1(1.0, 0.0, 0.0, 1.0)},
+ {PIPE_FORMAT_X8B8G8R8_SRGB, PACKED_1x32(0xffffff00), PACKED_1x32(0xffffffff), UNPACKED_1x1(1.0, 1.0, 1.0, 1.0)},
+
/*
* Mixed-signed formats
*/
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