From 209657f69055b17b00c3db3f99c7f411a6e8d176 Mon Sep 17 00:00:00 2001 From: Mike Gabriel Date: Fri, 17 Feb 2017 16:11:01 +0100 Subject: nx-X11/extras/Mesa: Drop bundled Mesa, place a symlink to imported Git subtree of Mesa_6.4.1 instead. --- nx-X11/extras/Mesa/src/mesa/main/macros.h | 654 ------------------------------ 1 file changed, 654 deletions(-) delete mode 100644 nx-X11/extras/Mesa/src/mesa/main/macros.h (limited to 'nx-X11/extras/Mesa/src/mesa/main/macros.h') diff --git a/nx-X11/extras/Mesa/src/mesa/main/macros.h b/nx-X11/extras/Mesa/src/mesa/main/macros.h deleted file mode 100644 index a398dd812..000000000 --- a/nx-X11/extras/Mesa/src/mesa/main/macros.h +++ /dev/null @@ -1,654 +0,0 @@ -/** - * \file macros.h - * A collection of useful macros. - */ - -/* - * Mesa 3-D graphics library - * Version: 6.0 - * - * 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. - */ - - -#ifndef MACROS_H -#define MACROS_H - -#include "imports.h" - - -/** - * \name Integer / float conversion for colors, normals, etc. - */ -/*@{*/ - -/** Convert GLubyte in [0,255] to GLfloat in [0.0,1.0] */ -extern GLfloat _mesa_ubyte_to_float_color_tab[256]; -#define UBYTE_TO_FLOAT(u) _mesa_ubyte_to_float_color_tab[(unsigned int)(u)] - -/** Convert GLfloat in [0.0,1.0] to GLubyte in [0,255] */ -#define FLOAT_TO_UBYTE(X) ((GLubyte) (GLint) ((X) * 255.0F)) - - -/** Convert GLbyte in [-128,127] to GLfloat in [-1.0,1.0] */ -#define BYTE_TO_FLOAT(B) ((2.0F * (B) + 1.0F) * (1.0F/255.0F)) - -/** Convert GLfloat in [-1.0,1.0] to GLbyte in [-128,127] */ -#define FLOAT_TO_BYTE(X) ( (((GLint) (255.0F * (X))) - 1) / 2 ) - - -/** Convert GLushort in [0,65536] to GLfloat in [0.0,1.0] */ -#define USHORT_TO_FLOAT(S) ((GLfloat) (S) * (1.0F / 65535.0F)) - -/** Convert GLshort in [-32768,32767] to GLfloat in [-1.0,1.0] */ -#define SHORT_TO_FLOAT(S) ((2.0F * (S) + 1.0F) * (1.0F/65535.0F)) - -/** Convert GLfloat in [0.0,1.0] to GLshort in [-32768,32767] */ -#define FLOAT_TO_SHORT(X) ( (((GLint) (65535.0F * (X))) - 1) / 2 ) - - -/** Convert GLuint in [0,4294967295] to GLfloat in [0.0,1.0] */ -#define UINT_TO_FLOAT(U) ((GLfloat) (U) * (1.0F / 4294967295.0F)) - -/** Convert GLfloat in [0.0,1.0] to GLuint in [0,4294967295] */ -#define FLOAT_TO_UINT(X) ((GLuint) ((X) * 4294967295.0)) - - -/** Convert GLint in [-2147483648,2147483647] to GLfloat in [-1.0,1.0] */ -#define INT_TO_FLOAT(I) ((2.0F * (I) + 1.0F) * (1.0F/4294967294.0F)) - -/** Convert GLfloat in [-1.0,1.0] to GLint in [-2147483648,2147483647] */ -/* causes overflow: -#define FLOAT_TO_INT(X) ( (((GLint) (4294967294.0F * (X))) - 1) / 2 ) -*/ -/* a close approximation: */ -#define FLOAT_TO_INT(X) ( (GLint) (2147483647.0 * (X)) ) - - -#define BYTE_TO_UBYTE(b) ((GLubyte) ((b) < 0 ? 0 : (GLubyte) (b))) -#define SHORT_TO_UBYTE(s) ((GLubyte) ((s) < 0 ? 0 : (GLubyte) ((s) >> 7))) -#define USHORT_TO_UBYTE(s) ((GLubyte) ((s) >> 8)) -#define INT_TO_UBYTE(i) ((GLubyte) ((i) < 0 ? 0 : (GLubyte) ((i) >> 23))) -#define UINT_TO_UBYTE(i) ((GLubyte) ((i) >> 24)) - - -#define BYTE_TO_USHORT(b) ((b) < 0 ? 0 : ((GLushort) (((b) * 65535) / 255))) -#define UBYTE_TO_USHORT(b) (((GLushort) (b) << 8) | (GLushort) (b)) -#define SHORT_TO_USHORT(s) ((s) < 0 ? 0 : ((GLushort) (((s) * 65535 / 32767)))) -#define INT_TO_USHORT(i) ((i) < 0 ? 0 : ((GLushort) ((i) >> 15))) -#define UINT_TO_USHORT(i) ((i) < 0 ? 0 : ((GLushort) ((i) >> 16))) -#define UNCLAMPED_FLOAT_TO_USHORT(us, f) \ - us = ( (GLushort) IROUND( CLAMP((f), 0.0, 1.0) * 65535.0F) ) -#define CLAMPED_FLOAT_TO_USHORT(us, f) \ - us = ( (GLushort) IROUND( (f) * 65535.0F) ) - -/*@}*/ - - -/** Stepping a GLfloat pointer by a byte stride */ -#define STRIDE_F(p, i) (p = (GLfloat *)((GLubyte *)p + i)) -/** Stepping a GLuint pointer by a byte stride */ -#define STRIDE_UI(p, i) (p = (GLuint *)((GLubyte *)p + i)) -/** Stepping a GLubyte[4] pointer by a byte stride */ -#define STRIDE_4UB(p, i) (p = (GLubyte (*)[4])((GLubyte *)p + i)) -/** Stepping a GLfloat[4] pointer by a byte stride */ -#define STRIDE_4F(p, i) (p = (GLfloat (*)[4])((GLubyte *)p + i)) -/** Stepping a GLchan[4] pointer by a byte stride */ -#define STRIDE_4CHAN(p, i) (p = (GLchan (*)[4])((GLubyte *)p + i)) -/** Stepping a GLchan pointer by a byte stride */ -#define STRIDE_CHAN(p, i) (p = (GLchan *)((GLubyte *)p + i)) -/** Stepping a \p t pointer by a byte stride */ -#define STRIDE_T(p, t, i) (p = (t)((GLubyte *)p + i)) - - -/**********************************************************************/ -/** \name 4-element vector operations */ -/*@{*/ - -/** Zero */ -#define ZERO_4V( DST ) (DST)[0] = (DST)[1] = (DST)[2] = (DST)[3] = 0 - -/** Test for equality */ -#define TEST_EQ_4V(a,b) ((a)[0] == (b)[0] && \ - (a)[1] == (b)[1] && \ - (a)[2] == (b)[2] && \ - (a)[3] == (b)[3]) - -/** Test for equality (unsigned bytes) */ -#if defined(__i386__) -#define TEST_EQ_4UBV(DST, SRC) *((GLuint*)(DST)) == *((GLuint*)(SRC)) -#else -#define TEST_EQ_4UBV(DST, SRC) TEST_EQ_4V(DST, SRC) -#endif - -/** Copy a 4-element vector */ -#define COPY_4V( DST, SRC ) \ -do { \ - (DST)[0] = (SRC)[0]; \ - (DST)[1] = (SRC)[1]; \ - (DST)[2] = (SRC)[2]; \ - (DST)[3] = (SRC)[3]; \ -} while (0) - -/** Copy a 4-element vector with cast */ -#define COPY_4V_CAST( DST, SRC, CAST ) \ -do { \ - (DST)[0] = (CAST)(SRC)[0]; \ - (DST)[1] = (CAST)(SRC)[1]; \ - (DST)[2] = (CAST)(SRC)[2]; \ - (DST)[3] = (CAST)(SRC)[3]; \ -} while (0) - -/** Copy a 4-element unsigned byte vector */ -#if defined(__i386__) -#define COPY_4UBV(DST, SRC) \ -do { \ - *((GLuint*)(DST)) = *((GLuint*)(SRC)); \ -} while (0) -#else -/* The GLuint cast might fail if DST or SRC are not dword-aligned (RISC) */ -#define COPY_4UBV(DST, SRC) \ -do { \ - (DST)[0] = (SRC)[0]; \ - (DST)[1] = (SRC)[1]; \ - (DST)[2] = (SRC)[2]; \ - (DST)[3] = (SRC)[3]; \ -} while (0) -#endif - -/** Copy a 4-element float vector (Use COPY_FLOAT to avoid loading FPU) */ -#define COPY_4FV( DST, SRC ) \ -do { \ - COPY_FLOAT((DST)[0], (SRC)[0]); \ - COPY_FLOAT((DST)[1], (SRC)[1]); \ - COPY_FLOAT((DST)[2], (SRC)[2]); \ - COPY_FLOAT((DST)[3], (SRC)[3]); \ -} while (0) - - -/** Copy \p SZ elements into a 4-element vector */ -#define COPY_SZ_4V(DST, SZ, SRC) \ -do { \ - switch (SZ) { \ - case 4: (DST)[3] = (SRC)[3]; \ - case 3: (DST)[2] = (SRC)[2]; \ - case 2: (DST)[1] = (SRC)[1]; \ - case 1: (DST)[0] = (SRC)[0]; \ - } \ -} while(0) - -/** Copy \p SZ elements into a homegeneous (4-element) vector, giving - * default values to the remaining */ -#define COPY_CLEAN_4V(DST, SZ, SRC) \ -do { \ - ASSIGN_4V( DST, 0, 0, 0, 1 ); \ - COPY_SZ_4V( DST, SZ, SRC ); \ -} while (0) - -/** Subtraction */ -#define SUB_4V( DST, SRCA, SRCB ) \ -do { \ - (DST)[0] = (SRCA)[0] - (SRCB)[0]; \ - (DST)[1] = (SRCA)[1] - (SRCB)[1]; \ - (DST)[2] = (SRCA)[2] - (SRCB)[2]; \ - (DST)[3] = (SRCA)[3] - (SRCB)[3]; \ -} while (0) - -/** Addition */ -#define ADD_4V( DST, SRCA, SRCB ) \ -do { \ - (DST)[0] = (SRCA)[0] + (SRCB)[0]; \ - (DST)[1] = (SRCA)[1] + (SRCB)[1]; \ - (DST)[2] = (SRCA)[2] + (SRCB)[2]; \ - (DST)[3] = (SRCA)[3] + (SRCB)[3]; \ -} while (0) - -/** Element-wise multiplication */ -#define SCALE_4V( DST, SRCA, SRCB ) \ -do { \ - (DST)[0] = (SRCA)[0] * (SRCB)[0]; \ - (DST)[1] = (SRCA)[1] * (SRCB)[1]; \ - (DST)[2] = (SRCA)[2] * (SRCB)[2]; \ - (DST)[3] = (SRCA)[3] * (SRCB)[3]; \ -} while (0) - -/** In-place addition */ -#define ACC_4V( DST, SRC ) \ -do { \ - (DST)[0] += (SRC)[0]; \ - (DST)[1] += (SRC)[1]; \ - (DST)[2] += (SRC)[2]; \ - (DST)[3] += (SRC)[3]; \ -} while (0) - -/** Element-wise multiplication and addition */ -#define ACC_SCALE_4V( DST, SRCA, SRCB ) \ -do { \ - (DST)[0] += (SRCA)[0] * (SRCB)[0]; \ - (DST)[1] += (SRCA)[1] * (SRCB)[1]; \ - (DST)[2] += (SRCA)[2] * (SRCB)[2]; \ - (DST)[3] += (SRCA)[3] * (SRCB)[3]; \ -} while (0) - -/** In-place scalar multiplication and addition */ -#define ACC_SCALE_SCALAR_4V( DST, S, SRCB ) \ -do { \ - (DST)[0] += S * (SRCB)[0]; \ - (DST)[1] += S * (SRCB)[1]; \ - (DST)[2] += S * (SRCB)[2]; \ - (DST)[3] += S * (SRCB)[3]; \ -} while (0) - -/** Scalar multiplication */ -#define SCALE_SCALAR_4V( DST, S, SRCB ) \ -do { \ - (DST)[0] = S * (SRCB)[0]; \ - (DST)[1] = S * (SRCB)[1]; \ - (DST)[2] = S * (SRCB)[2]; \ - (DST)[3] = S * (SRCB)[3]; \ -} while (0) - -/** In-place scalar multiplication */ -#define SELF_SCALE_SCALAR_4V( DST, S ) \ -do { \ - (DST)[0] *= S; \ - (DST)[1] *= S; \ - (DST)[2] *= S; \ - (DST)[3] *= S; \ -} while (0) - -/** Assignment */ -#define ASSIGN_4V( V, V0, V1, V2, V3 ) \ -do { \ - V[0] = V0; \ - V[1] = V1; \ - V[2] = V2; \ - V[3] = V3; \ -} while(0) - -/*@}*/ - - -/**********************************************************************/ -/** \name 3-element vector operations*/ -/*@{*/ - -/** Zero */ -#define ZERO_3V( DST ) (DST)[0] = (DST)[1] = (DST)[2] = 0 - -/** Test for equality */ -#define TEST_EQ_3V(a,b) \ - ((a)[0] == (b)[0] && \ - (a)[1] == (b)[1] && \ - (a)[2] == (b)[2]) - -/** Copy a 3-element vector */ -#define COPY_3V( DST, SRC ) \ -do { \ - (DST)[0] = (SRC)[0]; \ - (DST)[1] = (SRC)[1]; \ - (DST)[2] = (SRC)[2]; \ -} while (0) - -/** Copy a 3-element vector with cast */ -#define COPY_3V_CAST( DST, SRC, CAST ) \ -do { \ - (DST)[0] = (CAST)(SRC)[0]; \ - (DST)[1] = (CAST)(SRC)[1]; \ - (DST)[2] = (CAST)(SRC)[2]; \ -} while (0) - -/** Copy a 3-element float vector */ -#define COPY_3FV( DST, SRC ) \ -do { \ - const GLfloat *_tmp = (SRC); \ - (DST)[0] = _tmp[0]; \ - (DST)[1] = _tmp[1]; \ - (DST)[2] = _tmp[2]; \ -} while (0) - -/** Subtraction */ -#define SUB_3V( DST, SRCA, SRCB ) \ -do { \ - (DST)[0] = (SRCA)[0] - (SRCB)[0]; \ - (DST)[1] = (SRCA)[1] - (SRCB)[1]; \ - (DST)[2] = (SRCA)[2] - (SRCB)[2]; \ -} while (0) - -/** Addition */ -#define ADD_3V( DST, SRCA, SRCB ) \ -do { \ - (DST)[0] = (SRCA)[0] + (SRCB)[0]; \ - (DST)[1] = (SRCA)[1] + (SRCB)[1]; \ - (DST)[2] = (SRCA)[2] + (SRCB)[2]; \ -} while (0) - -/** In-place scalar multiplication */ -#define SCALE_3V( DST, SRCA, SRCB ) \ -do { \ - (DST)[0] = (SRCA)[0] * (SRCB)[0]; \ - (DST)[1] = (SRCA)[1] * (SRCB)[1]; \ - (DST)[2] = (SRCA)[2] * (SRCB)[2]; \ -} while (0) - -/** In-place element-wise multiplication */ -#define SELF_SCALE_3V( DST, SRC ) \ -do { \ - (DST)[0] *= (SRC)[0]; \ - (DST)[1] *= (SRC)[1]; \ - (DST)[2] *= (SRC)[2]; \ -} while (0) - -/** In-place addition */ -#define ACC_3V( DST, SRC ) \ -do { \ - (DST)[0] += (SRC)[0]; \ - (DST)[1] += (SRC)[1]; \ - (DST)[2] += (SRC)[2]; \ -} while (0) - -/** Element-wise multiplication and addition */ -#define ACC_SCALE_3V( DST, SRCA, SRCB ) \ -do { \ - (DST)[0] += (SRCA)[0] * (SRCB)[0]; \ - (DST)[1] += (SRCA)[1] * (SRCB)[1]; \ - (DST)[2] += (SRCA)[2] * (SRCB)[2]; \ -} while (0) - -/** Scalar multiplication */ -#define SCALE_SCALAR_3V( DST, S, SRCB ) \ -do { \ - (DST)[0] = S * (SRCB)[0]; \ - (DST)[1] = S * (SRCB)[1]; \ - (DST)[2] = S * (SRCB)[2]; \ -} while (0) - -/** In-place scalar multiplication and addition */ -#define ACC_SCALE_SCALAR_3V( DST, S, SRCB ) \ -do { \ - (DST)[0] += S * (SRCB)[0]; \ - (DST)[1] += S * (SRCB)[1]; \ - (DST)[2] += S * (SRCB)[2]; \ -} while (0) - -/** In-place scalar multiplication */ -#define SELF_SCALE_SCALAR_3V( DST, S ) \ -do { \ - (DST)[0] *= S; \ - (DST)[1] *= S; \ - (DST)[2] *= S; \ -} while (0) - -/** In-place scalar addition */ -#define ACC_SCALAR_3V( DST, S ) \ -do { \ - (DST)[0] += S; \ - (DST)[1] += S; \ - (DST)[2] += S; \ -} while (0) - -/** Assignment */ -#define ASSIGN_3V( V, V0, V1, V2 ) \ -do { \ - V[0] = V0; \ - V[1] = V1; \ - V[2] = V2; \ -} while(0) - -/*@}*/ - - -/**********************************************************************/ -/** \name 2-element vector operations*/ -/*@{*/ - -/** Zero */ -#define ZERO_2V( DST ) (DST)[0] = (DST)[1] = 0 - -/** Copy a 2-element vector */ -#define COPY_2V( DST, SRC ) \ -do { \ - (DST)[0] = (SRC)[0]; \ - (DST)[1] = (SRC)[1]; \ -} while (0) - -/** Copy a 2-element vector with cast */ -#define COPY_2V_CAST( DST, SRC, CAST ) \ -do { \ - (DST)[0] = (CAST)(SRC)[0]; \ - (DST)[1] = (CAST)(SRC)[1]; \ -} while (0) - -/** Copy a 2-element float vector */ -#define COPY_2FV( DST, SRC ) \ -do { \ - const GLfloat *_tmp = (SRC); \ - (DST)[0] = _tmp[0]; \ - (DST)[1] = _tmp[1]; \ -} while (0) - -/** Subtraction */ -#define SUB_2V( DST, SRCA, SRCB ) \ -do { \ - (DST)[0] = (SRCA)[0] - (SRCB)[0]; \ - (DST)[1] = (SRCA)[1] - (SRCB)[1]; \ -} while (0) - -/** Addition */ -#define ADD_2V( DST, SRCA, SRCB ) \ -do { \ - (DST)[0] = (SRCA)[0] + (SRCB)[0]; \ - (DST)[1] = (SRCA)[1] + (SRCB)[1]; \ -} while (0) - -/** In-place scalar multiplication */ -#define SCALE_2V( DST, SRCA, SRCB ) \ -do { \ - (DST)[0] = (SRCA)[0] * (SRCB)[0]; \ - (DST)[1] = (SRCA)[1] * (SRCB)[1]; \ -} while (0) - -/** In-place addition */ -#define ACC_2V( DST, SRC ) \ -do { \ - (DST)[0] += (SRC)[0]; \ - (DST)[1] += (SRC)[1]; \ -} while (0) - -/** Element-wise multiplication and addition */ -#define ACC_SCALE_2V( DST, SRCA, SRCB ) \ -do { \ - (DST)[0] += (SRCA)[0] * (SRCB)[0]; \ - (DST)[1] += (SRCA)[1] * (SRCB)[1]; \ -} while (0) - -/** Scalar multiplication */ -#define SCALE_SCALAR_2V( DST, S, SRCB ) \ -do { \ - (DST)[0] = S * (SRCB)[0]; \ - (DST)[1] = S * (SRCB)[1]; \ -} while (0) - -/** In-place scalar multiplication and addition */ -#define ACC_SCALE_SCALAR_2V( DST, S, SRCB ) \ -do { \ - (DST)[0] += S * (SRCB)[0]; \ - (DST)[1] += S * (SRCB)[1]; \ -} while (0) - -/** In-place scalar multiplication */ -#define SELF_SCALE_SCALAR_2V( DST, S ) \ -do { \ - (DST)[0] *= S; \ - (DST)[1] *= S; \ -} while (0) - -/** In-place scalar addition */ -#define ACC_SCALAR_2V( DST, S ) \ -do { \ - (DST)[0] += S; \ - (DST)[1] += S; \ -} while (0) - - - -/** - * Linear interpolation - * - * \note \p OUT argument is evaluated twice! - * \note Be wary of using *coord++ as an argument to any of these macros! - */ -#define LINTERP(T, OUT, IN) ((OUT) + (T) * ((IN) - (OUT))) - -/* Can do better with integer math - */ -#define INTERP_UB( t, dstub, outub, inub ) \ -do { \ - GLfloat inf = UBYTE_TO_FLOAT( inub ); \ - GLfloat outf = UBYTE_TO_FLOAT( outub ); \ - GLfloat dstf = LINTERP( t, outf, inf ); \ - UNCLAMPED_FLOAT_TO_UBYTE( dstub, dstf ); \ -} while (0) - -#define INTERP_CHAN( t, dstc, outc, inc ) \ -do { \ - GLfloat inf = CHAN_TO_FLOAT( inc ); \ - GLfloat outf = CHAN_TO_FLOAT( outc ); \ - GLfloat dstf = LINTERP( t, outf, inf ); \ - UNCLAMPED_FLOAT_TO_CHAN( dstc, dstf ); \ -} while (0) - -#define INTERP_UI( t, dstui, outui, inui ) \ - dstui = (GLuint) (GLint) LINTERP( (t), (GLfloat) (outui), (GLfloat) (inui) ) - -#define INTERP_F( t, dstf, outf, inf ) \ - dstf = LINTERP( t, outf, inf ) - -#define INTERP_4F( t, dst, out, in ) \ -do { \ - dst[0] = LINTERP( (t), (out)[0], (in)[0] ); \ - dst[1] = LINTERP( (t), (out)[1], (in)[1] ); \ - dst[2] = LINTERP( (t), (out)[2], (in)[2] ); \ - dst[3] = LINTERP( (t), (out)[3], (in)[3] ); \ -} while (0) - -#define INTERP_3F( t, dst, out, in ) \ -do { \ - dst[0] = LINTERP( (t), (out)[0], (in)[0] ); \ - dst[1] = LINTERP( (t), (out)[1], (in)[1] ); \ - dst[2] = LINTERP( (t), (out)[2], (in)[2] ); \ -} while (0) - -#define INTERP_4CHAN( t, dst, out, in ) \ -do { \ - INTERP_CHAN( (t), (dst)[0], (out)[0], (in)[0] ); \ - INTERP_CHAN( (t), (dst)[1], (out)[1], (in)[1] ); \ - INTERP_CHAN( (t), (dst)[2], (out)[2], (in)[2] ); \ - INTERP_CHAN( (t), (dst)[3], (out)[3], (in)[3] ); \ -} while (0) - -#define INTERP_3CHAN( t, dst, out, in ) \ -do { \ - INTERP_CHAN( (t), (dst)[0], (out)[0], (in)[0] ); \ - INTERP_CHAN( (t), (dst)[1], (out)[1], (in)[1] ); \ - INTERP_CHAN( (t), (dst)[2], (out)[2], (in)[2] ); \ -} while (0) - -#define INTERP_SZ( t, vec, to, out, in, sz ) \ -do { \ - switch (sz) { \ - case 4: vec[to][3] = LINTERP( (t), (vec)[out][3], (vec)[in][3] ); \ - case 3: vec[to][2] = LINTERP( (t), (vec)[out][2], (vec)[in][2] ); \ - case 2: vec[to][1] = LINTERP( (t), (vec)[out][1], (vec)[in][1] ); \ - case 1: vec[to][0] = LINTERP( (t), (vec)[out][0], (vec)[in][0] ); \ - } \ -} while(0) - - - -/** Assign scalers to short vectors */ -#define ASSIGN_2V( V, V0, V1 ) \ -do { \ - V[0] = V0; \ - V[1] = V1; \ -} while(0) - -/*@}*/ - - - -/** Clamp X to [MIN,MAX] */ -#define CLAMP( X, MIN, MAX ) ( (X)<(MIN) ? (MIN) : ((X)>(MAX) ? (MAX) : (X)) ) - -/** Assign X to CLAMP(X, MIN, MAX) */ -#define CLAMP_SELF(x, mn, mx) \ - ( (x)<(mn) ? ((x) = (mn)) : ((x)>(mx) ? ((x)=(mx)) : (x)) ) - - - -/** Minimum of two values: */ -#define MIN2( A, B ) ( (A)<(B) ? (A) : (B) ) - -/** Maximum of two values: */ -#define MAX2( A, B ) ( (A)>(B) ? (A) : (B) ) - -/** Dot product of two 2-element vectors */ -#define DOT2( a, b ) ( (a)[0]*(b)[0] + (a)[1]*(b)[1] ) - -/** Dot product of two 3-element vectors */ -#define DOT3( a, b ) ( (a)[0]*(b)[0] + (a)[1]*(b)[1] + (a)[2]*(b)[2] ) - -/** Dot product of two 4-element vectors */ -#define DOT4( a, b ) ( (a)[0]*(b)[0] + (a)[1]*(b)[1] + \ - (a)[2]*(b)[2] + (a)[3]*(b)[3] ) - -/** Dot product of two 4-element vectors */ -#define DOT4V(v,a,b,c,d) (v[0]*(a) + v[1]*(b) + v[2]*(c) + v[3]*(d)) - - -/** Cross product of two 3-element vectors */ -#define CROSS3(n, u, v) \ -do { \ - (n)[0] = (u)[1]*(v)[2] - (u)[2]*(v)[1]; \ - (n)[1] = (u)[2]*(v)[0] - (u)[0]*(v)[2]; \ - (n)[2] = (u)[0]*(v)[1] - (u)[1]*(v)[0]; \ -} while (0) - - -/* Normalize a 3-element vector to unit length. */ -#define NORMALIZE_3FV( V ) \ -do { \ - GLfloat len = (GLfloat) LEN_SQUARED_3FV(V); \ - if (len) { \ - len = INV_SQRTF(len); \ - (V)[0] = (GLfloat) ((V)[0] * len); \ - (V)[1] = (GLfloat) ((V)[1] * len); \ - (V)[2] = (GLfloat) ((V)[2] * len); \ - } \ -} while(0) - -#define LEN_3FV( V ) (SQRTF((V)[0]*(V)[0]+(V)[1]*(V)[1]+(V)[2]*(V)[2])) -#define LEN_2FV( V ) (SQRTF((V)[0]*(V)[0]+(V)[1]*(V)[1])) - -#define LEN_SQUARED_3FV( V ) ((V)[0]*(V)[0]+(V)[1]*(V)[1]+(V)[2]*(V)[2]) -#define LEN_SQUARED_2FV( V ) ((V)[0]*(V)[0]+(V)[1]*(V)[1]) - - -#endif -- cgit v1.2.3