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author | marha <marha@users.sourceforge.net> | 2012-06-08 14:29:46 +0200 |
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committer | marha <marha@users.sourceforge.net> | 2012-06-08 14:50:37 +0200 |
commit | 72ec0e3bb2d7fc6b77b2a75873792f781679da6a (patch) | |
tree | 0a736ab9a8c26276929ab077dc661e3625b54884 /mesalib/src/gallium/auxiliary/util/u_format_srgb.h | |
parent | 5e865910f0ce672295bd60460631339be5e311a0 (diff) | |
parent | 990bc3f015a4f8fce2eb918375defcd44980a845 (diff) | |
download | vcxsrv-72ec0e3bb2d7fc6b77b2a75873792f781679da6a.tar.gz vcxsrv-72ec0e3bb2d7fc6b77b2a75873792f781679da6a.tar.bz2 vcxsrv-72ec0e3bb2d7fc6b77b2a75873792f781679da6a.zip |
Merge remote-tracking branch 'origin/released'
Conflicts:
fontconfig/.gitignore
libX11/src/ConvSel.c
libX11/src/CrGlCur.c
libX11/src/CrWindow.c
libX11/src/GetDflt.c
libX11/src/Window.c
libX11/src/xlibi18n/XimProto.h
libX11/src/xlibi18n/lcDynamic.c
libxcb/src/.gitignore
libxcb/src/xcb_ext.c
libxcb/src/xcb_xid.c
mesalib/src/glsl/.gitignore
mesalib/src/glsl/glcpp/.gitignore
mesalib/src/mapi/glapi/gen/glX_API.xml
mesalib/src/mapi/glapi/glapi_getproc.c
mesalib/src/mesa/main/.gitignore
mesalib/src/mesa/main/syncobj.c
mesalib/src/mesa/program/.gitignore
xkbcomp/listing.c
xkbcomp/xkbpath.c
xorg-server/.gitignore
xorg-server/Xext/xvmain.c
xorg-server/dix/dispatch.c
xorg-server/hw/xwin/glx/winpriv.h
xorg-server/hw/xwin/winprefsyacc.y
xorg-server/hw/xwin/winscrinit.c
xorg-server/xkeyboard-config/rules/bin/ml1_s.sh
xorg-server/xkeyboard-config/rules/bin/ml1v1_s.sh
xorg-server/xkeyboard-config/rules/bin/ml1v_s.sh
xorg-server/xkeyboard-config/rules/bin/ml_s.sh
xorg-server/xkeyboard-config/rules/bin/mlv_s.sh
xorg-server/xkeyboard-config/rules/compat/.gitignore
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_format_srgb.h')
-rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_format_srgb.h | 212 |
1 files changed, 106 insertions, 106 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_format_srgb.h b/mesalib/src/gallium/auxiliary/util/u_format_srgb.h index a1b12e9de..43213fbeb 100644 --- a/mesalib/src/gallium/auxiliary/util/u_format_srgb.h +++ b/mesalib/src/gallium/auxiliary/util/u_format_srgb.h @@ -1,106 +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@vmware.com>
- * @author Michal Krol <michal@vmware.com>
- * @author Jose Fonseca <jfonseca@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_ */
+/************************************************************************** + * + * 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@vmware.com> + * @author Michal Krol <michal@vmware.com> + * @author Jose Fonseca <jfonseca@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_ */ |