s_alpha.c revision bf80e1ed620836e2ca0dd3f7d2d4cb187d17563d
1bf80e1ed620836e2ca0dd3f7d2d4cb187d17563dBrian Paul/* $Id: s_alpha.c,v 1.10 2002/04/19 14:05:50 brianp Exp $ */ 2e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell 3e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell/* 4e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell * Mesa 3-D graphics library 52ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul * Version: 4.1 622144ab7552f0799bcfca506bf4ffa7f70a06649Gareth Hughes * 72ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. 822144ab7552f0799bcfca506bf4ffa7f70a06649Gareth Hughes * 9e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell * Permission is hereby granted, free of charge, to any person obtaining a 10e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell * copy of this software and associated documentation files (the "Software"), 11e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell * to deal in the Software without restriction, including without limitation 12e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell * the rights to use, copy, modify, merge, publish, distribute, sublicense, 13e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell * and/or sell copies of the Software, and to permit persons to whom the 14e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell * Software is furnished to do so, subject to the following conditions: 1522144ab7552f0799bcfca506bf4ffa7f70a06649Gareth Hughes * 16e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell * The above copyright notice and this permission notice shall be included 17e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell * in all copies or substantial portions of the Software. 1822144ab7552f0799bcfca506bf4ffa7f70a06649Gareth Hughes * 19e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 20e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 22e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 23e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 24e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell */ 26e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell 27bf80e1ed620836e2ca0dd3f7d2d4cb187d17563dBrian Paul/** 28bf80e1ed620836e2ca0dd3f7d2d4cb187d17563dBrian Paul * \file swrast/s_alpha.c 29bf80e1ed620836e2ca0dd3f7d2d4cb187d17563dBrian Paul * \brief Functions to apply alpha test. 30bf80e1ed620836e2ca0dd3f7d2d4cb187d17563dBrian Paul */ 31e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell 32e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell#include "glheader.h" 33e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell#include "context.h" 34e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell#include "colormac.h" 35e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell#include "macros.h" 36e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell#include "mmath.h" 37e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell 38e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell#include "s_alpha.h" 39ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul#include "s_context.h" 40e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell 41e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell 42bf80e1ed620836e2ca0dd3f7d2d4cb187d17563dBrian Paul/** 43bf80e1ed620836e2ca0dd3f7d2d4cb187d17563dBrian Paul * \fn GLint _mesa_alpha_test( const GLcontext *ctx, struct sw_span *span ) 44bf80e1ed620836e2ca0dd3f7d2d4cb187d17563dBrian Paul * \brief Apply the alpha test to a span of pixels. 45bf80e1ed620836e2ca0dd3f7d2d4cb187d17563dBrian Paul * \return 46bf80e1ed620836e2ca0dd3f7d2d4cb187d17563dBrian Paul * - "0" = all pixels in the span failed the alpha test. 47bf80e1ed620836e2ca0dd3f7d2d4cb187d17563dBrian Paul * - "1" = one or more pixels passed the alpha test. 482ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul */ 492ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian PaulGLint 50ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul_mesa_alpha_test( const GLcontext *ctx, struct sw_span *span ) 512ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul{ 52ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul const GLchan (*rgba)[4] = (const GLchan (*)[4]) span->color.rgba; 532ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul const GLchan ref = ctx->Color.AlphaRef; 54ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul const GLuint n = span->end; 552ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul GLubyte *mask = span->mask; 56ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul GLuint i; 572ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul 58ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul if (span->arrayMask & SPAN_RGBA) { 59ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul /* Use the array values */ 60ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul switch (ctx->Color.AlphaFunc) { 61ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_LESS: 62ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) 63ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (rgba[i][ACOMP] < ref); 64ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 65ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_LEQUAL: 66ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) 67ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (rgba[i][ACOMP] <= ref); 68ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 69ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_GEQUAL: 70ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) 71ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (rgba[i][ACOMP] >= ref); 72ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 73ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_GREATER: 74ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) 75ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (rgba[i][ACOMP] > ref); 76ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 77ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_NOTEQUAL: 78ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) 79ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (rgba[i][ACOMP] != ref); 80ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 81ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_EQUAL: 82ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) 83ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (rgba[i][ACOMP] == ref); 84ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 85ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_ALWAYS: 86ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul /* do nothing */ 87ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul return 1; 88ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_NEVER: 89ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul /* caller should check for zero! */ 90ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul span->writeAll = GL_FALSE; 91ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul return 0; 92ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul default: 93ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul _mesa_problem( ctx, "Invalid alpha test in _mesa_alpha_test" ); 94ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul return 0; 95ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul } 96ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul } 97ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul else { 98ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul /* Use the interpolation values */ 99ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul#if CHAN_TYPE == GL_FLOAT 100ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul const GLfloat alphaStep = span->alphaStep; 101ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul GLfloat alpha = span->alpha; 102ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul ASSERT(span->interpMask & SPAN_RGBA); 103ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul switch (ctx->Color.AlphaFunc) { 104ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_LESS: 105ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) { 106ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (alpha < ref); 107ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul alpha += alphaStep; 108ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul } 109ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 110ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_LEQUAL: 111ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) { 112ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (alpha <= ref); 113ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul alpha += alphaStep; 114ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul } 115ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 116ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_GEQUAL: 117ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) { 118ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (alpha >= ref); 119ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul alpha += alphaStep; 120ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul } 121ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 122ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_GREATER: 123ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) { 124ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (alpha > ref); 125ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul alpha += alphaStep; 126ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul } 127ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 128ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_NOTEQUAL: 129ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) { 130ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (alpha != ref); 131ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul alpha += alphaStep; 132ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul } 133ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 134ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_EQUAL: 135ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) { 136ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (alpha == ref); 137ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul alpha += alphaStep; 138ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul } 139ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 140ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_ALWAYS: 141ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul /* do nothing */ 142ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul return 1; 143ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_NEVER: 144ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul /* caller should check for zero! */ 145ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul span->writeAll = GL_FALSE; 146ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul return 0; 147ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul default: 148ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul _mesa_problem( ctx, "Invalid alpha test in gl_alpha_test" ); 149ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul return 0; 150ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul } 151ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul#else 152ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul /* 8 or 16-bit channel interpolation */ 153ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul const GLfixed alphaStep = span->alphaStep; 154ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul GLfixed alpha = span->alpha; 155ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul ASSERT(span->interpMask & SPAN_RGBA); 156ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul switch (ctx->Color.AlphaFunc) { 157ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_LESS: 158ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) { 159ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (FixedToChan(alpha) < ref); 160ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul alpha += alphaStep; 161ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul } 162ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 163ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_LEQUAL: 164ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) { 165ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (FixedToChan(alpha) <= ref); 166ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul alpha += alphaStep; 167ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul } 168ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 169ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_GEQUAL: 170ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) { 171ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (FixedToChan(alpha) >= ref); 172ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul alpha += alphaStep; 173ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul } 174ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 175ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_GREATER: 176ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) { 177ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (FixedToChan(alpha) > ref); 178ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul alpha += alphaStep; 179ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul } 180ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 181ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_NOTEQUAL: 182ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) { 183ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (FixedToChan(alpha) != ref); 184ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul alpha += alphaStep; 185ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul } 186ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 187ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_EQUAL: 188ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul for (i = 0; i < n; i++) { 189ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul mask[i] &= (FixedToChan(alpha) == ref); 190ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul alpha += alphaStep; 191ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul } 192ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul break; 193ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_ALWAYS: 194ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul /* do nothing */ 195ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul return 1; 196ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul case GL_NEVER: 197ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul /* caller should check for zero! */ 198ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul span->writeAll = GL_FALSE; 199ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul return 0; 200ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul default: 201ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul _mesa_problem( ctx, "Invalid alpha test in gl_alpha_test" ); 202ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul return 0; 203ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul } 204ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul#endif /* CHAN_TYPE */ 2052ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul } 2062ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul 2072a182a98973edc9ecf2936b1288485bb2b3fa722Brian Paul#if 0 2082a182a98973edc9ecf2936b1288485bb2b3fa722Brian Paul /* XXXX This causes conformance failures!!!! */ 2092ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul while ((span->start <= span->end) && 210ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul (mask[span->start] == 0)) 2112ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul span->start ++; 2122ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul 2132ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul while ((span->end >= span->start) && 214ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul (mask[span->end] == 0)) 2152ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul span->end --; 2162a182a98973edc9ecf2936b1288485bb2b3fa722Brian Paul#endif 217ceb39f4f8dc4863fde17d668c752533a2184476eBrian Paul 2182ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul span->writeAll = GL_FALSE; 219e3a051e0538a605551f4d58294c94f5eb00ed07fKeith Whitwell 2202ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul if (span->start >= span->end) 2212ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul return 0; 2222ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul else 2232ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul return 1; 2242ef866d1fc0a5cc5ef8543d65744dfd4da4dbbafBrian Paul} 225