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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/main/colormac.h')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/main/colormac.h | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/main/colormac.h b/nx-X11/extras/Mesa/src/mesa/main/colormac.h deleted file mode 100644 index a19521fc8..000000000 --- a/nx-X11/extras/Mesa/src/mesa/main/colormac.h +++ /dev/null @@ -1,227 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.1 - * - * Copyright (C) 1999-2004 Brian Paul 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, sublicense, - * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL 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 colormac.h - * Color-related macros - */ - - -#ifndef COLORMAC_H -#define COLORMAC_H - - -#include "imports.h" -#include "config.h" -#include "macros.h" - - -/** \def BYTE_TO_CHAN - * Convert from GLbyte to GLchan */ - -/** \def UBYTE_TO_CHAN - * Convert from GLubyte to GLchan */ - -/** \def SHORT_TO_CHAN - * Convert from GLshort to GLchan */ - -/** \def USHORT_TO_CHAN - * Convert from GLushort to GLchan */ - -/** \def INT_TO_CHAN - * Convert from GLint to GLchan */ - -/** \def UINT_TO_CHAN - * Convert from GLuint to GLchan */ - -/** \def CHAN_TO_UBYTE - * Convert from GLchan to GLubyte */ - -/** \def CHAN_TO_FLOAT - * Convert from GLchan to GLfloat */ - -/** \def CLAMPED_FLOAT_TO_CHAN - * Convert from GLclampf to GLchan */ - -/** \def UNCLAMPED_FLOAT_TO_CHAN - * Convert from GLfloat to GLchan */ - -/** \def COPY_CHAN4 - * Copy a GLchan[4] array */ - -/** \def CHAN_PRODUCT - * Scaled product (usually approximated) between two GLchan arguments */ - -#if CHAN_BITS == 8 - -#define BYTE_TO_CHAN(b) ((b) < 0 ? 0 : (GLchan) (b)) -#define UBYTE_TO_CHAN(b) (b) -#define SHORT_TO_CHAN(s) ((s) < 0 ? 0 : (GLchan) ((s) >> 7)) -#define USHORT_TO_CHAN(s) ((GLchan) ((s) >> 8)) -#define INT_TO_CHAN(i) ((i) < 0 ? 0 : (GLchan) ((i) >> 23)) -#define UINT_TO_CHAN(i) ((GLchan) ((i) >> 24)) - -#define CHAN_TO_UBYTE(c) (c) -#define CHAN_TO_FLOAT(c) UBYTE_TO_FLOAT(c) - -#define CLAMPED_FLOAT_TO_CHAN(c, f) CLAMPED_FLOAT_TO_UBYTE(c, f) -#define UNCLAMPED_FLOAT_TO_CHAN(c, f) UNCLAMPED_FLOAT_TO_UBYTE(c, f) - -#define COPY_CHAN4(DST, SRC) COPY_4UBV(DST, SRC) - -#define CHAN_PRODUCT(a, b) ((GLubyte) (((GLint)(a) * ((GLint)(b) + 1)) >> 8)) - -#elif CHAN_BITS == 16 - -#define BYTE_TO_CHAN(b) ((b) < 0 ? 0 : (((GLchan) (b)) * 516)) -#define UBYTE_TO_CHAN(b) ((((GLchan) (b)) << 8) | ((GLchan) (b))) -#define SHORT_TO_CHAN(s) ((s) < 0 ? 0 : (GLchan) (s)) -#define USHORT_TO_CHAN(s) (s) -#define INT_TO_CHAN(i) ((i) < 0 ? 0 : (GLchan) ((i) >> 15)) -#define UINT_TO_CHAN(i) ((GLchan) ((i) >> 16)) - -#define CHAN_TO_UBYTE(c) ((c) >> 8) -#define CHAN_TO_FLOAT(c) ((GLfloat) ((c) * (1.0 / CHAN_MAXF))) - -#define CLAMPED_FLOAT_TO_CHAN(c, f) CLAMPED_FLOAT_TO_USHORT(c, f) -#define UNCLAMPED_FLOAT_TO_CHAN(c, f) UNCLAMPED_FLOAT_TO_USHORT(c, f) - -#define COPY_CHAN4(DST, SRC) COPY_4V(DST, SRC) - -#define CHAN_PRODUCT(a, b) ((GLchan) ((((GLuint) (a)) * ((GLuint) (b))) / 65535)) - -#elif CHAN_BITS == 32 - -/* XXX floating-point color channels not fully thought-out */ -#define BYTE_TO_CHAN(b) ((GLfloat) ((b) * (1.0F / 127.0F))) -#define UBYTE_TO_CHAN(b) ((GLfloat) ((b) * (1.0F / 255.0F))) -#define SHORT_TO_CHAN(s) ((GLfloat) ((s) * (1.0F / 32767.0F))) -#define USHORT_TO_CHAN(s) ((GLfloat) ((s) * (1.0F / 65535.0F))) -#define INT_TO_CHAN(i) ((GLfloat) ((i) * (1.0F / 2147483647.0F))) -#define UINT_TO_CHAN(i) ((GLfloat) ((i) * (1.0F / 4294967295.0F))) - -#define CHAN_TO_UBYTE(c) FLOAT_TO_UBYTE(c) -#define CHAN_TO_FLOAT(c) (c) - -#define CLAMPED_FLOAT_TO_CHAN(c, f) c = (f) -#define UNCLAMPED_FLOAT_TO_CHAN(c, f) c = (f) - -#define COPY_CHAN4(DST, SRC) COPY_4V(DST, SRC) - -#define CHAN_PRODUCT(a, b) ((a) * (b)) - -#else - -#error unexpected CHAN_BITS size - -#endif - - -/** - * Convert 3 channels at once. - * - * \param dst pointer to destination GLchan[3] array. - * \param f pointer to source GLfloat[3] array. - * - * \sa #UNCLAMPED_FLOAT_TO_CHAN. - */ -#define UNCLAMPED_FLOAT_TO_RGB_CHAN(dst, f) \ -do { \ - UNCLAMPED_FLOAT_TO_CHAN(dst[0], f[0]); \ - UNCLAMPED_FLOAT_TO_CHAN(dst[1], f[1]); \ - UNCLAMPED_FLOAT_TO_CHAN(dst[2], f[2]); \ -} while (0) - - -/** - * Convert 4 channels at once. - * - * \param dst pointer to destination GLchan[4] array. - * \param f pointer to source GLfloat[4] array. - * - * \sa #UNCLAMPED_FLOAT_TO_CHAN. - */ -#define UNCLAMPED_FLOAT_TO_RGBA_CHAN(dst, f) \ -do { \ - UNCLAMPED_FLOAT_TO_CHAN(dst[0], f[0]); \ - UNCLAMPED_FLOAT_TO_CHAN(dst[1], f[1]); \ - UNCLAMPED_FLOAT_TO_CHAN(dst[2], f[2]); \ - UNCLAMPED_FLOAT_TO_CHAN(dst[3], f[3]); \ -} while (0) - - - -/** - * \name Generic color packing macros. All inputs should be GLubytes. - * - * \todo We may move these into texstore.h at some point. - */ -/*@{*/ - -#define PACK_COLOR_8888( R, G, B, A ) \ - (((R) << 24) | ((G) << 16) | ((B) << 8) | (A)) - -#define PACK_COLOR_8888_REV( R, G, B, A ) \ - (((A) << 24) | ((B) << 16) | ((G) << 8) | (R)) - -#define PACK_COLOR_888( R, G, B ) \ - (((R) << 16) | ((G) << 8) | (B)) - -#define PACK_COLOR_565( R, G, B ) \ - ((((R) & 0xf8) << 8) | (((G) & 0xfc) << 3) | (((B) & 0xf8) >> 3)) - -#define PACK_COLOR_565_REV( R, G, B ) \ - (((R) & 0xf8) | ((G) & 0xe0) >> 5 | (((G) & 0x1c) << 11) | (((B) & 0xf8) << 5)) - -#define PACK_COLOR_1555( A, B, G, R ) \ - ((((B) & 0xf8) << 7) | (((G) & 0xf8) << 2) | (((R) & 0xf8) >> 3) | \ - ((A) ? 0x8000 : 0)) - -#define PACK_COLOR_1555_REV( A, B, G, R ) \ - ((((B) & 0xf8) >> 1) | (((G) & 0xc0) >> 6) | (((G) & 0x38) << 10) | (((R) & 0xf8) << 5) | \ - ((A) ? 0x80 : 0)) - -#define PACK_COLOR_4444( R, G, B, A ) \ - ((((R) & 0xf0) << 8) | (((G) & 0xf0) << 4) | ((B) & 0xf0) | ((A) >> 4)) - -#define PACK_COLOR_4444_REV( R, G, B, A ) \ - ((((B) & 0xf0) << 8) | (((A) & 0xf0) << 4) | ((R) & 0xf0) | ((G) >> 4)) - -#define PACK_COLOR_88( L, A ) \ - (((L) << 8) | (A)) - -#define PACK_COLOR_88_REV( L, A ) \ - (((A) << 8) | (L)) - -#define PACK_COLOR_332( R, G, B ) \ - (((R) & 0xe0) | (((G) & 0xe0) >> 3) | (((B) & 0xc0) >> 6)) - -#define PACK_COLOR_233( B, G, R ) \ - (((B) & 0xc0) | (((G) & 0xe0) >> 2) | (((R) & 0xe0) >> 5)) - -/*@}*/ - - -#endif /* COLORMAC_H */ |