utils.c revision 1585c234e0db4bfb7cd85c4111594f6da1582e6f
193a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell/* 274396056977776919aaa7c22be1a3d17774ae321Ian Romanick * (C) Copyright IBM Corporation 2002, 2004 393a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * All Rights Reserved. 493a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * 593a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * Permission is hereby granted, free of charge, to any person obtaining a 693a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * copy of this software and associated documentation files (the "Software"), 793a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * to deal in the Software without restriction, including without limitation 893a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * on the rights to use, copy, modify, merge, publish, distribute, sub 993a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * license, and/or sell copies of the Software, and to permit persons to whom 1093a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * the Software is furnished to do so, subject to the following conditions: 1193a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * 1293a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * The above copyright notice and this permission notice (including the next 1393a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * paragraph) shall be included in all copies or substantial portions of the 1493a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * Software. 1593a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * 1693a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 1793a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 1893a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 1993a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 2093a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 2193a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 2293a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * USE OR OTHER DEALINGS IN THE SOFTWARE. 23447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick */ 24447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick 25447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick/** 26447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick * \file utils.c 27447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick * Utility functions for DRI drivers. 2893a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell * 29447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick * \author Ian Romanick <idr@us.ibm.com> 3093a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell */ 3193a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 3293a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell#include <string.h> 3393a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell#include <stdlib.h> 3493a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell#include "mtypes.h" 3593a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell#include "extensions.h" 3693a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell#include "utils.h" 371585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick#include "dispatch.h" 381585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick 391585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanickunsigned driDispatchRemapTable[ driDispatchRemapTable_size ]; 4093a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 4193a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell#if defined(USE_X86_ASM) 42ecb1a5f7f98b9e42965318db99b6996f12b87e59Alan Hourihane#include "x86/common_x86_asm.h" 4393a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell#endif 4493a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 45447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick#if defined(USE_PPC_ASM) 46447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick#include "ppc/common_ppc_features.h" 47447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick#endif 48447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick 4993a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwellunsigned 5093a458840c77b784fb74738f734ba2c5d22ca7a7Keith WhitwelldriParseDebugString( const char * debug, 5193a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell const struct dri_debug_control * control ) 5293a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell{ 5393a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell unsigned flag; 5493a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 5593a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 5693a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell flag = 0; 5793a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell if ( debug != NULL ) { 5893a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell while( control->string != NULL ) { 59462183fe4cb6df6d90632d9e2cee881c8d26b1cbAlan Hourihane if ( !strcmp( debug, "all" ) || 60462183fe4cb6df6d90632d9e2cee881c8d26b1cbAlan Hourihane strstr( debug, control->string ) != NULL ) { 6193a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell flag |= control->flag; 6293a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell } 6393a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 6493a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell control++; 6593a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell } 6693a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell } 6793a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 6893a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell return flag; 6993a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell} 7093a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 7193a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 7293a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 73b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick/** 74b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick * Create the \c GL_RENDERER string for DRI drivers. 75b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick * 76b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick * Almost all DRI drivers use a \c GL_RENDERER string of the form: 77b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick * 78b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick * "Mesa DRI <chip> <driver date> <AGP speed) <CPU information>" 79b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick * 80b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick * Using the supplied chip name, driver data, and AGP speed, this function 81b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick * creates the string. 82b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick * 83b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick * \param buffer Buffer to hold the \c GL_RENDERER string. 84b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick * \param hardware_name Name of the hardware. 85b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick * \param driver_date Driver date. 86b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick * \param agp_mode AGP mode (speed). 87b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick * 88b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick * \returns 89b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick * The length of the string stored in \c buffer. This does \b not include 90b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick * the terminating \c NUL character. 91b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick */ 9293a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwellunsigned 9393a458840c77b784fb74738f734ba2c5d22ca7a7Keith WhitwelldriGetRendererString( char * buffer, const char * hardware_name, 9493a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell const char * driver_date, GLuint agp_mode ) 9593a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell{ 96b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick#define MAX_INFO 4 97b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick const char * cpu[MAX_INFO]; 98b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick unsigned next = 0; 99b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick unsigned i; 10093a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell unsigned offset; 10193a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 10293a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 10393a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell offset = sprintf( buffer, "Mesa DRI %s %s", hardware_name, driver_date ); 10493a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 10593a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell /* Append any AGP-specific information. 10693a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell */ 10793a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell switch ( agp_mode ) { 10893a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell case 1: 10993a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell case 2: 11093a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell case 4: 11193a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell case 8: 11293a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell offset += sprintf( & buffer[ offset ], " AGP %ux", agp_mode ); 11393a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell break; 11493a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 11593a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell default: 11693a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell break; 11793a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell } 11893a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 11993a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell /* Append any CPU-specific information. 12093a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell */ 12193a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell#ifdef USE_X86_ASM 12293a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell if ( _mesa_x86_cpu_features ) { 123b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick cpu[next] = " x86"; 124b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick next++; 12593a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell } 12693a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell# ifdef USE_MMX_ASM 12793a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell if ( cpu_has_mmx ) { 128b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick cpu[next] = (cpu_has_mmxext) ? "/MMX+" : "/MMX"; 129b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick next++; 13093a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell } 13193a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell# endif 13293a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell# ifdef USE_3DNOW_ASM 13393a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell if ( cpu_has_3dnow ) { 134b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick cpu[next] = (cpu_has_3dnowext) ? "/3DNow!+" : "/3DNow!"; 135b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick next++; 13693a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell } 13793a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell# endif 13893a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell# ifdef USE_SSE_ASM 13993a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell if ( cpu_has_xmm ) { 140b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick cpu[next] = (cpu_has_xmm2) ? "/SSE2" : "/SSE"; 141b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick next++; 14293a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell } 14393a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell# endif 14493a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 14593a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell#elif defined(USE_SPARC_ASM) 14693a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 147b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick cpu[0] = " SPARC"; 148b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick next = 1; 14993a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 150447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick#elif defined(USE_PPC_ASM) 151447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick if ( _mesa_ppc_cpu_features ) { 152447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick cpu[next] = (cpu_has_64) ? " PowerPC 64" : " PowerPC"; 153447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick next++; 154447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick } 155447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick 156447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick# ifdef USE_VMX_ASM 157447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick if ( cpu_has_vmx ) { 158447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick cpu[next] = "/Altivec"; 159447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick next++; 160447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick } 161447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick# endif 162447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick 163447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick if ( ! cpu_has_fpu ) { 164447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick cpu[next] = "/No FPU"; 165447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick next++; 166447cdd536fe4539b724e8a7024659e3f4cd724d1Ian Romanick } 16793a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell#endif 16893a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 169b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick for ( i = 0 ; i < next ; i++ ) { 170b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick const size_t len = strlen( cpu[i] ); 171b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick 172b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick strncpy( & buffer[ offset ], cpu[i], len ); 173b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick offset += len; 174b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick } 175b72ed81818e63a70c1ded2789b9e22ee4c516aaeIan Romanick 17693a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell return offset; 17793a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell} 17893a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 17993a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 18093a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 18193a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 1821585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick#define need_GL_ARB_multisample 1831585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick#define need_GL_ARB_transpose_matrix 1841585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick#define need_GL_ARB_window_pos 1851585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick#define need_GL_EXT_compiled_vertex_array 1861585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick#define need_GL_EXT_polygon_offset 1871585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick#define need_GL_EXT_texture_object 1881585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick#define need_GL_EXT_vertex_array 1891585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick#define need_GL_MESA_window_pos 1901585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick 1911585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick#include "extension_helper.h" 1921585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick 1931585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanickstatic const struct dri_extension all_mesa_extensions[] = { 1941585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick { "GL_ARB_multisample", GL_ARB_multisample_functions }, 1951585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick { "GL_ARB_transpose_matrix", GL_ARB_transpose_matrix_functions }, 1961585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick { "GL_ARB_window_pos", GL_ARB_window_pos_functions }, 1971585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick { "GL_EXT_compiled_vertex_array", GL_EXT_compiled_vertex_array_functions }, 1981585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick { "GL_EXT_polygon_offset", GL_EXT_polygon_offset_functions }, 1991585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick { "GL_EXT_texture_object", GL_EXT_texture_object_functions }, 2001585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick { "GL_EXT_vertex_array", GL_EXT_vertex_array_functions }, 2011585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick { "GL_MESA_window_pos", GL_MESA_window_pos_functions }, 2021585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick { NULL, NULL } 2031585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick}; 2041585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick 2051585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick 206c212abf99af494f024b0b981a83350f7ac9821efIan Romanick/** 207c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * Enable extensions supported by the driver. 208c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * 209c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * \bug 210c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * ARB_imaging isn't handled properly. In Mesa, enabling ARB_imaging also 211c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * enables all the sub-extensions that are folded into it. This means that 212c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * we need to add entry-points (via \c driInitSingleExtension) for those 213c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * new functions here. 214c212abf99af494f024b0b981a83350f7ac9821efIan Romanick */ 21593a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwellvoid driInitExtensions( GLcontext * ctx, 216c212abf99af494f024b0b981a83350f7ac9821efIan Romanick const struct dri_extension * extensions_to_enable, 217c212abf99af494f024b0b981a83350f7ac9821efIan Romanick GLboolean enable_imaging ) 21893a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell{ 2191585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick static int first_time = 1; 22093a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell unsigned i; 22193a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 2221585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick if ( first_time ) { 2231585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick first_time = 0; 2241585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick driInitExtensions( ctx, all_mesa_extensions, GL_FALSE ); 2251585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick } 2261585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick 2271585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick if ( (ctx != NULL) && enable_imaging ) { 22893a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell _mesa_enable_imaging_extensions( ctx ); 22993a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell } 23093a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 231c212abf99af494f024b0b981a83350f7ac9821efIan Romanick for ( i = 0 ; extensions_to_enable[i].name != NULL ; i++ ) { 232c212abf99af494f024b0b981a83350f7ac9821efIan Romanick driInitSingleExtension( ctx, & extensions_to_enable[i] ); 23393a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell } 23493a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell} 23593a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 23693a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 23793a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 23893a458840c77b784fb74738f734ba2c5d22ca7a7Keith Whitwell 239c212abf99af494f024b0b981a83350f7ac9821efIan Romanick/** 240c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * Enable and add dispatch functions for a single extension 241c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * 242c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * \param ctx Context where extension is to be enabled. 243c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * \param ext Extension that is to be enabled. 244c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * 245c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * \sa driInitExtensions, _mesa_enable_extension, _glapi_add_entrypoint 246c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * 247c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * \todo 248c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * Determine if it would be better to use \c strlen instead of the hardcoded 249c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * for-loops. 250c212abf99af494f024b0b981a83350f7ac9821efIan Romanick */ 251c212abf99af494f024b0b981a83350f7ac9821efIan Romanickvoid driInitSingleExtension( GLcontext * ctx, 252c212abf99af494f024b0b981a83350f7ac9821efIan Romanick const struct dri_extension * ext ) 253c212abf99af494f024b0b981a83350f7ac9821efIan Romanick{ 254c212abf99af494f024b0b981a83350f7ac9821efIan Romanick unsigned i; 255c212abf99af494f024b0b981a83350f7ac9821efIan Romanick 2561585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick 257c212abf99af494f024b0b981a83350f7ac9821efIan Romanick if ( ext->functions != NULL ) { 258c212abf99af494f024b0b981a83350f7ac9821efIan Romanick for ( i = 0 ; ext->functions[i].strings != NULL ; i++ ) { 259c212abf99af494f024b0b981a83350f7ac9821efIan Romanick const char * functions[16]; 260c212abf99af494f024b0b981a83350f7ac9821efIan Romanick const char * parameter_signature; 261c212abf99af494f024b0b981a83350f7ac9821efIan Romanick const char * str = ext->functions[i].strings; 262c212abf99af494f024b0b981a83350f7ac9821efIan Romanick unsigned j; 2631585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick unsigned offset; 264c212abf99af494f024b0b981a83350f7ac9821efIan Romanick 265c212abf99af494f024b0b981a83350f7ac9821efIan Romanick 266c212abf99af494f024b0b981a83350f7ac9821efIan Romanick /* Separate the parameter signature from the rest of the string. 267c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * If the parameter signature is empty (i.e., the string starts 268c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * with a NUL character), then the function has a void parameter 269c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * list. 270c212abf99af494f024b0b981a83350f7ac9821efIan Romanick */ 271c212abf99af494f024b0b981a83350f7ac9821efIan Romanick parameter_signature = str; 272c212abf99af494f024b0b981a83350f7ac9821efIan Romanick while ( str[0] != '\0' ) { 273c212abf99af494f024b0b981a83350f7ac9821efIan Romanick str++; 274c212abf99af494f024b0b981a83350f7ac9821efIan Romanick } 275c212abf99af494f024b0b981a83350f7ac9821efIan Romanick str++; 276c212abf99af494f024b0b981a83350f7ac9821efIan Romanick 277c212abf99af494f024b0b981a83350f7ac9821efIan Romanick 278c212abf99af494f024b0b981a83350f7ac9821efIan Romanick /* Divide the string into the substrings that name each 279c212abf99af494f024b0b981a83350f7ac9821efIan Romanick * entry-point for the function. 280c212abf99af494f024b0b981a83350f7ac9821efIan Romanick */ 281c212abf99af494f024b0b981a83350f7ac9821efIan Romanick for ( j = 0 ; j < 16 ; j++ ) { 282c212abf99af494f024b0b981a83350f7ac9821efIan Romanick if ( str[0] == '\0' ) { 283c212abf99af494f024b0b981a83350f7ac9821efIan Romanick functions[j] = NULL; 284c212abf99af494f024b0b981a83350f7ac9821efIan Romanick break; 285c212abf99af494f024b0b981a83350f7ac9821efIan Romanick } 286c212abf99af494f024b0b981a83350f7ac9821efIan Romanick 287c212abf99af494f024b0b981a83350f7ac9821efIan Romanick functions[j] = str; 288c212abf99af494f024b0b981a83350f7ac9821efIan Romanick 289c212abf99af494f024b0b981a83350f7ac9821efIan Romanick while ( str[0] != '\0' ) { 290c212abf99af494f024b0b981a83350f7ac9821efIan Romanick str++; 291c212abf99af494f024b0b981a83350f7ac9821efIan Romanick } 292c212abf99af494f024b0b981a83350f7ac9821efIan Romanick str++; 293c212abf99af494f024b0b981a83350f7ac9821efIan Romanick } 294c212abf99af494f024b0b981a83350f7ac9821efIan Romanick 295c212abf99af494f024b0b981a83350f7ac9821efIan Romanick 296c212abf99af494f024b0b981a83350f7ac9821efIan Romanick /* Add each entry-point to the dispatch table. 297c212abf99af494f024b0b981a83350f7ac9821efIan Romanick */ 2981585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick offset = _glapi_add_dispatch( functions, parameter_signature ); 2991585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick if ( ext->functions[i].remap_index != -1 ) { 3001585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick driDispatchRemapTable[ ext->functions[i].remap_index ] = offset; 3011585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick } 3021585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick 3031585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick if ( (ext->functions[i].offset != -1) 3041585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick && (ext->functions[i].offset != offset) ) { 3051585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick fprintf(stderr, "DISPATCH ERROR! %s -> %u != %u\n", functions[0], 3061585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick driDispatchRemapTable[ ext->functions[i].remap_index ], 3071585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick ext->functions[i].offset); 308c212abf99af494f024b0b981a83350f7ac9821efIan Romanick } 309c212abf99af494f024b0b981a83350f7ac9821efIan Romanick } 310c212abf99af494f024b0b981a83350f7ac9821efIan Romanick } 311c212abf99af494f024b0b981a83350f7ac9821efIan Romanick 3121585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick if ( ctx != NULL ) { 3131585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick _mesa_enable_extension( ctx, ext->name ); 3141585c234e0db4bfb7cd85c4111594f6da1582e6fIan Romanick } 315c212abf99af494f024b0b981a83350f7ac9821efIan Romanick} 316c212abf99af494f024b0b981a83350f7ac9821efIan Romanick 317c212abf99af494f024b0b981a83350f7ac9821efIan Romanick 3185b98ada88071a752b6000756949a1951183cdd0bIan Romanick/** 3195b98ada88071a752b6000756949a1951183cdd0bIan Romanick * Utility function used by drivers to test the verions of other components. 3205b98ada88071a752b6000756949a1951183cdd0bIan Romanick * 3215b98ada88071a752b6000756949a1951183cdd0bIan Romanick * If one of the version requirements is not met, a message is logged using 3225b98ada88071a752b6000756949a1951183cdd0bIan Romanick * \c __driUtilMessage. 3235b98ada88071a752b6000756949a1951183cdd0bIan Romanick * 3245b98ada88071a752b6000756949a1951183cdd0bIan Romanick * \param driver_name Name of the driver. Used in error messages. 3255b98ada88071a752b6000756949a1951183cdd0bIan Romanick * \param driActual Actual DRI version supplied __driCreateNewScreen. 3265b98ada88071a752b6000756949a1951183cdd0bIan Romanick * \param driExpected Minimum DRI version required by the driver. 3275b98ada88071a752b6000756949a1951183cdd0bIan Romanick * \param ddxActual Actual DDX version supplied __driCreateNewScreen. 3287104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger * \param ddxExpected Minimum DDX minor and range of DDX major version required by the driver. 3295b98ada88071a752b6000756949a1951183cdd0bIan Romanick * \param drmActual Actual DRM version supplied __driCreateNewScreen. 3305b98ada88071a752b6000756949a1951183cdd0bIan Romanick * \param drmExpected Minimum DRM version required by the driver. 3315b98ada88071a752b6000756949a1951183cdd0bIan Romanick * 3325b98ada88071a752b6000756949a1951183cdd0bIan Romanick * \returns \c GL_TRUE if all version requirements are met. Otherwise, 3335b98ada88071a752b6000756949a1951183cdd0bIan Romanick * \c GL_FALSE is returned. 3345b98ada88071a752b6000756949a1951183cdd0bIan Romanick * 335c39bf5e273a4995a279ae2af59fc29e06ab47e29Ian Romanick * \sa __driCreateNewScreen, driCheckDriDdxDrmVersions2, __driUtilMessage 336c39bf5e273a4995a279ae2af59fc29e06ab47e29Ian Romanick * 337c39bf5e273a4995a279ae2af59fc29e06ab47e29Ian Romanick * \todo 338c39bf5e273a4995a279ae2af59fc29e06ab47e29Ian Romanick * Now that the old \c driCheckDriDdxDrmVersions function is gone, this 339c39bf5e273a4995a279ae2af59fc29e06ab47e29Ian Romanick * function and \c driCheckDriDdxDrmVersions2 should be renamed. 3405b98ada88071a752b6000756949a1951183cdd0bIan Romanick */ 3415b98ada88071a752b6000756949a1951183cdd0bIan RomanickGLboolean 3427104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland ScheideggerdriCheckDriDdxDrmVersions3(const char * driver_name, 3435b98ada88071a752b6000756949a1951183cdd0bIan Romanick const __DRIversion * driActual, 3445b98ada88071a752b6000756949a1951183cdd0bIan Romanick const __DRIversion * driExpected, 3455b98ada88071a752b6000756949a1951183cdd0bIan Romanick const __DRIversion * ddxActual, 3467104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger const __DRIutilversion2 * ddxExpected, 3475b98ada88071a752b6000756949a1951183cdd0bIan Romanick const __DRIversion * drmActual, 3485b98ada88071a752b6000756949a1951183cdd0bIan Romanick const __DRIversion * drmExpected) 3495b98ada88071a752b6000756949a1951183cdd0bIan Romanick{ 3505b98ada88071a752b6000756949a1951183cdd0bIan Romanick static const char format[] = "%s DRI driver expected %s version %d.%d.x " 3515b98ada88071a752b6000756949a1951183cdd0bIan Romanick "but got version %d.%d.%d"; 3527104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger static const char format2[] = "%s DRI driver expected %s version %d-%d.%d.x " 3537104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger "but got version %d.%d.%d"; 3545b98ada88071a752b6000756949a1951183cdd0bIan Romanick 3555b98ada88071a752b6000756949a1951183cdd0bIan Romanick 3565b98ada88071a752b6000756949a1951183cdd0bIan Romanick /* Check the DRI version */ 3575b98ada88071a752b6000756949a1951183cdd0bIan Romanick if ( (driActual->major != driExpected->major) 3585b98ada88071a752b6000756949a1951183cdd0bIan Romanick || (driActual->minor < driExpected->minor) ) { 3595b98ada88071a752b6000756949a1951183cdd0bIan Romanick __driUtilMessage(format, driver_name, "DRI", 3605b98ada88071a752b6000756949a1951183cdd0bIan Romanick driExpected->major, driExpected->minor, 3615b98ada88071a752b6000756949a1951183cdd0bIan Romanick driActual->major, driActual->minor, driActual->patch); 3625b98ada88071a752b6000756949a1951183cdd0bIan Romanick return GL_FALSE; 3635b98ada88071a752b6000756949a1951183cdd0bIan Romanick } 3645b98ada88071a752b6000756949a1951183cdd0bIan Romanick 3655b98ada88071a752b6000756949a1951183cdd0bIan Romanick /* Check that the DDX driver version is compatible */ 3667104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger if ( (ddxActual->major < ddxExpected->major_min) 3677104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger || (ddxActual->major > ddxExpected->major_max) 3685b98ada88071a752b6000756949a1951183cdd0bIan Romanick || (ddxActual->minor < ddxExpected->minor) ) { 3697104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger __driUtilMessage(format2, driver_name, "DDX", 3707104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger ddxExpected->major_min, ddxExpected->major_max, ddxExpected->minor, 3715b98ada88071a752b6000756949a1951183cdd0bIan Romanick ddxActual->major, ddxActual->minor, ddxActual->patch); 3725b98ada88071a752b6000756949a1951183cdd0bIan Romanick return GL_FALSE; 3735b98ada88071a752b6000756949a1951183cdd0bIan Romanick } 3745b98ada88071a752b6000756949a1951183cdd0bIan Romanick 3755b98ada88071a752b6000756949a1951183cdd0bIan Romanick /* Check that the DRM driver version is compatible */ 3765b98ada88071a752b6000756949a1951183cdd0bIan Romanick if ( (drmActual->major != drmExpected->major) 3775b98ada88071a752b6000756949a1951183cdd0bIan Romanick || (drmActual->minor < drmExpected->minor) ) { 3785b98ada88071a752b6000756949a1951183cdd0bIan Romanick __driUtilMessage(format, driver_name, "DRM", 3795b98ada88071a752b6000756949a1951183cdd0bIan Romanick drmExpected->major, drmExpected->minor, 3805b98ada88071a752b6000756949a1951183cdd0bIan Romanick drmActual->major, drmActual->minor, drmActual->patch); 3815b98ada88071a752b6000756949a1951183cdd0bIan Romanick return GL_FALSE; 3825b98ada88071a752b6000756949a1951183cdd0bIan Romanick } 3835b98ada88071a752b6000756949a1951183cdd0bIan Romanick 3845b98ada88071a752b6000756949a1951183cdd0bIan Romanick return GL_TRUE; 3855b98ada88071a752b6000756949a1951183cdd0bIan Romanick} 3865b98ada88071a752b6000756949a1951183cdd0bIan Romanick 3877104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland ScheideggerGLboolean 3887104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland ScheideggerdriCheckDriDdxDrmVersions2(const char * driver_name, 3897104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger const __DRIversion * driActual, 3907104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger const __DRIversion * driExpected, 3917104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger const __DRIversion * ddxActual, 3927104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger const __DRIversion * ddxExpected, 3937104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger const __DRIversion * drmActual, 3947104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger const __DRIversion * drmExpected) 3957104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger{ 3967104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger __DRIutilversion2 ddx_expected; 3977104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger ddx_expected.major_min = ddxExpected->major; 3987104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger ddx_expected.major_max = ddxExpected->major; 3997104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger ddx_expected.minor = ddxExpected->minor; 4007104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger ddx_expected.patch = ddxExpected->patch; 4017104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger return driCheckDriDdxDrmVersions3(driver_name, driActual, 4027104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger driExpected, ddxActual, & ddx_expected, 4037104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger drmActual, drmExpected); 4047104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger} 4057104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger 4067104ce0a0e8f25bf097ad695d007b1a4b3e5d051Roland Scheidegger 4077ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell 4087ed58285abede813fbf5fa0a2e29982043f1bbbeKeith WhitwellGLboolean driClipRectToFramebuffer( const GLframebuffer *buffer, 4097ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell GLint *x, GLint *y, 4107ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell GLsizei *width, GLsizei *height ) 4117ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell{ 4127ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell /* left clipping */ 4137ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell if (*x < buffer->_Xmin) { 4147ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell *width -= (buffer->_Xmin - *x); 4157ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell *x = buffer->_Xmin; 4167ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell } 4177ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell 4187ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell /* right clipping */ 4197ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell if (*x + *width > buffer->_Xmax) 4207ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell *width -= (*x + *width - buffer->_Xmax - 1); 4217ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell 4227ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell if (*width <= 0) 4237ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell return GL_FALSE; 4247ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell 4257ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell /* bottom clipping */ 4267ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell if (*y < buffer->_Ymin) { 4277ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell *height -= (buffer->_Ymin - *y); 4287ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell *y = buffer->_Ymin; 4297ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell } 4307ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell 4317ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell /* top clipping */ 4327ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell if (*y + *height > buffer->_Ymax) 4337ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell *height -= (*y + *height - buffer->_Ymax - 1); 4347ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell 4357ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell if (*height <= 0) 4367ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell return GL_FALSE; 4377ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell 4387ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell return GL_TRUE; 4397ed58285abede813fbf5fa0a2e29982043f1bbbeKeith Whitwell} 44074396056977776919aaa7c22be1a3d17774ae321Ian Romanick 44174396056977776919aaa7c22be1a3d17774ae321Ian Romanick 44274396056977776919aaa7c22be1a3d17774ae321Ian Romanick 44374396056977776919aaa7c22be1a3d17774ae321Ian Romanick/** 44474396056977776919aaa7c22be1a3d17774ae321Ian Romanick * Creates a set of \c __GLcontextModes that a driver will expose. 44574396056977776919aaa7c22be1a3d17774ae321Ian Romanick * 44674396056977776919aaa7c22be1a3d17774ae321Ian Romanick * A set of \c __GLcontextModes will be created based on the supplied 44774396056977776919aaa7c22be1a3d17774ae321Ian Romanick * parameters. The number of modes processed will be 2 * 44874396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c num_depth_stencil_bits * \c num_db_modes. 44974396056977776919aaa7c22be1a3d17774ae321Ian Romanick * 45074396056977776919aaa7c22be1a3d17774ae321Ian Romanick * For the most part, data is just copied from \c depth_bits, \c stencil_bits, 45174396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c db_modes, and \c visType into each \c __GLcontextModes element. 45274396056977776919aaa7c22be1a3d17774ae321Ian Romanick * However, the meanings of \c fb_format and \c fb_type require further 45374396056977776919aaa7c22be1a3d17774ae321Ian Romanick * explanation. The \c fb_format specifies which color components are in 45474396056977776919aaa7c22be1a3d17774ae321Ian Romanick * each pixel and what the default order is. For example, \c GL_RGB specifies 45574396056977776919aaa7c22be1a3d17774ae321Ian Romanick * that red, green, blue are available and red is in the "most significant" 45674396056977776919aaa7c22be1a3d17774ae321Ian Romanick * position and blue is in the "least significant". The \c fb_type specifies 45774396056977776919aaa7c22be1a3d17774ae321Ian Romanick * the bit sizes of each component and the actual ordering. For example, if 45874396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c GL_UNSIGNED_SHORT_5_6_5_REV is specified with \c GL_RGB, bits [15:11] 45974396056977776919aaa7c22be1a3d17774ae321Ian Romanick * are the blue value, bits [10:5] are the green value, and bits [4:0] are 46074396056977776919aaa7c22be1a3d17774ae321Ian Romanick * the red value. 46174396056977776919aaa7c22be1a3d17774ae321Ian Romanick * 46274396056977776919aaa7c22be1a3d17774ae321Ian Romanick * One sublte issue is the combination of \c GL_RGB or \c GL_BGR and either 46374396056977776919aaa7c22be1a3d17774ae321Ian Romanick * of the \c GL_UNSIGNED_INT_8_8_8_8 modes. The resulting mask values in the 46474396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c __GLcontextModes structure is \b identical to the \c GL_RGBA or 46574396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c GL_BGRA case, except the \c alphaMask is zero. This means that, as 46674396056977776919aaa7c22be1a3d17774ae321Ian Romanick * far as this routine is concerned, \c GL_RGB with \c GL_UNSIGNED_INT_8_8_8_8 46774396056977776919aaa7c22be1a3d17774ae321Ian Romanick * still uses 32-bits. 46874396056977776919aaa7c22be1a3d17774ae321Ian Romanick * 46974396056977776919aaa7c22be1a3d17774ae321Ian Romanick * If in doubt, look at the tables used in the function. 47074396056977776919aaa7c22be1a3d17774ae321Ian Romanick * 47174396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \param ptr_to_modes Pointer to a pointer to a linked list of 47274396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c __GLcontextModes. Upon completion, a pointer to 47374396056977776919aaa7c22be1a3d17774ae321Ian Romanick * the next element to be process will be stored here. 47474396056977776919aaa7c22be1a3d17774ae321Ian Romanick * If the function fails and returns \c GL_FALSE, this 47574396056977776919aaa7c22be1a3d17774ae321Ian Romanick * value will be unmodified, but some elements in the 47674396056977776919aaa7c22be1a3d17774ae321Ian Romanick * linked list may be modified. 47774396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \param fb_format Format of the framebuffer. Currently only \c GL_RGB, 47874396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c GL_RGBA, \c GL_BGR, and \c GL_BGRA are supported. 47974396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \param fb_type Type of the pixels in the framebuffer. Currently only 48074396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c GL_UNSIGNED_SHORT_5_6_5, 48174396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c GL_UNSIGNED_SHORT_5_6_5_REV, 48274396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c GL_UNSIGNED_INT_8_8_8_8, and 48374396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c GL_UNSIGNED_INT_8_8_8_8_REV are supported. 48474396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \param depth_bits Array of depth buffer sizes to be exposed. 48574396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \param stencil_bits Array of stencil buffer sizes to be exposed. 48674396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \param num_depth_stencil_bits Number of entries in both \c depth_bits and 48774396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c stencil_bits. 48874396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \param db_modes Array of buffer swap modes. If an element has a 48974396056977776919aaa7c22be1a3d17774ae321Ian Romanick * value of \c GLX_NONE, then it represents a 49074396056977776919aaa7c22be1a3d17774ae321Ian Romanick * single-buffered mode. Other valid values are 49174396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c GLX_SWAP_EXCHANGE_OML, \c GLX_SWAP_COPY_OML, and 49274396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c GLX_SWAP_UNDEFINED_OML. See the 49374396056977776919aaa7c22be1a3d17774ae321Ian Romanick * GLX_OML_swap_method extension spec for more details. 49474396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \param num_db_modes Number of entries in \c db_modes. 49574396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \param visType GLX visual type. Usually either \c GLX_TRUE_COLOR or 49674396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c GLX_DIRECT_COLOR. 49774396056977776919aaa7c22be1a3d17774ae321Ian Romanick * 49874396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \returns 49974396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c GL_TRUE on success or \c GL_FALSE on failure. Currently the only 50074396056977776919aaa7c22be1a3d17774ae321Ian Romanick * cause of failure is a bad parameter (i.e., unsupported \c fb_format or 50174396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c fb_type). 50274396056977776919aaa7c22be1a3d17774ae321Ian Romanick * 50374396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \todo 50474396056977776919aaa7c22be1a3d17774ae321Ian Romanick * There is currently no way to support packed RGB modes (i.e., modes with 50574396056977776919aaa7c22be1a3d17774ae321Ian Romanick * exactly 3 bytes per pixel) or floating-point modes. This could probably 50674396056977776919aaa7c22be1a3d17774ae321Ian Romanick * be done by creating some new, private enums with clever names likes 50774396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c GL_UNSIGNED_3BYTE_8_8_8, \c GL_4FLOAT_32_32_32_32, 50874396056977776919aaa7c22be1a3d17774ae321Ian Romanick * \c GL_4HALF_16_16_16_16, etc. We can cross that bridge when we come to it. 50974396056977776919aaa7c22be1a3d17774ae321Ian Romanick */ 51074396056977776919aaa7c22be1a3d17774ae321Ian RomanickGLboolean 51174396056977776919aaa7c22be1a3d17774ae321Ian RomanickdriFillInModes( __GLcontextModes ** ptr_to_modes, 51274396056977776919aaa7c22be1a3d17774ae321Ian Romanick GLenum fb_format, GLenum fb_type, 51338b317d508a2a3a4cc6d700ebca80c3b06c913e2Alan Hourihane const u_int8_t * depth_bits, const u_int8_t * stencil_bits, 51474396056977776919aaa7c22be1a3d17774ae321Ian Romanick unsigned num_depth_stencil_bits, 51574396056977776919aaa7c22be1a3d17774ae321Ian Romanick const GLenum * db_modes, unsigned num_db_modes, 51674396056977776919aaa7c22be1a3d17774ae321Ian Romanick int visType ) 51774396056977776919aaa7c22be1a3d17774ae321Ian Romanick{ 51838b317d508a2a3a4cc6d700ebca80c3b06c913e2Alan Hourihane static const u_int8_t bits_table[3][4] = { 51974396056977776919aaa7c22be1a3d17774ae321Ian Romanick /* R G B A */ 52074396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 5, 6, 5, 0 }, /* Any GL_UNSIGNED_SHORT_5_6_5 */ 52174396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 8, 8, 8, 0 }, /* Any RGB with any GL_UNSIGNED_INT_8_8_8_8 */ 52274396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 8, 8, 8, 8 } /* Any RGBA with any GL_UNSIGNED_INT_8_8_8_8 */ 52374396056977776919aaa7c22be1a3d17774ae321Ian Romanick }; 52474396056977776919aaa7c22be1a3d17774ae321Ian Romanick 52574396056977776919aaa7c22be1a3d17774ae321Ian Romanick /* The following arrays are all indexed by the fb_type masked with 0x07. 52674396056977776919aaa7c22be1a3d17774ae321Ian Romanick * Given the four supported fb_type values, this results in valid array 52774396056977776919aaa7c22be1a3d17774ae321Ian Romanick * indices of 3, 4, 5, and 7. 52874396056977776919aaa7c22be1a3d17774ae321Ian Romanick */ 52938b317d508a2a3a4cc6d700ebca80c3b06c913e2Alan Hourihane static const u_int32_t masks_table_rgb[8][4] = { 53074396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, 53174396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, 53274396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, 533fff749e893b0adbfb57d08370cb4d2a10608bc52Ian Romanick { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5 */ 53474396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5_REV */ 53574396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0xFF000000, 0x00FF0000, 0x0000FF00, 0x00000000 }, /* 8_8_8_8 */ 53674396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, 53774396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x000000FF, 0x0000FF00, 0x00FF0000, 0x00000000 } /* 8_8_8_8_REV */ 53874396056977776919aaa7c22be1a3d17774ae321Ian Romanick }; 53974396056977776919aaa7c22be1a3d17774ae321Ian Romanick 54038b317d508a2a3a4cc6d700ebca80c3b06c913e2Alan Hourihane static const u_int32_t masks_table_rgba[8][4] = { 54174396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, 54274396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, 54374396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, 544fff749e893b0adbfb57d08370cb4d2a10608bc52Ian Romanick { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5 */ 54574396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5_REV */ 54674396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF }, /* 8_8_8_8 */ 54774396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, 54874396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000 }, /* 8_8_8_8_REV */ 54974396056977776919aaa7c22be1a3d17774ae321Ian Romanick }; 55074396056977776919aaa7c22be1a3d17774ae321Ian Romanick 55138b317d508a2a3a4cc6d700ebca80c3b06c913e2Alan Hourihane static const u_int32_t masks_table_bgr[8][4] = { 55274396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, 55374396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, 55474396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, 55574396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5 */ 556fff749e893b0adbfb57d08370cb4d2a10608bc52Ian Romanick { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5_REV */ 55774396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x0000FF00, 0x00FF0000, 0xFF000000, 0x00000000 }, /* 8_8_8_8 */ 55874396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, 55974396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00FF0000, 0x0000FF00, 0x000000FF, 0x00000000 }, /* 8_8_8_8_REV */ 56074396056977776919aaa7c22be1a3d17774ae321Ian Romanick }; 56174396056977776919aaa7c22be1a3d17774ae321Ian Romanick 56238b317d508a2a3a4cc6d700ebca80c3b06c913e2Alan Hourihane static const u_int32_t masks_table_bgra[8][4] = { 56374396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, 56474396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, 56574396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, 56674396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5 */ 567fff749e893b0adbfb57d08370cb4d2a10608bc52Ian Romanick { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5_REV */ 56874396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x0000FF00, 0x00FF0000, 0xFF000000, 0x000000FF }, /* 8_8_8_8 */ 56974396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, 57074396056977776919aaa7c22be1a3d17774ae321Ian Romanick { 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000 }, /* 8_8_8_8_REV */ 57174396056977776919aaa7c22be1a3d17774ae321Ian Romanick }; 57274396056977776919aaa7c22be1a3d17774ae321Ian Romanick 57338b317d508a2a3a4cc6d700ebca80c3b06c913e2Alan Hourihane static const u_int8_t bytes_per_pixel[8] = { 57474396056977776919aaa7c22be1a3d17774ae321Ian Romanick 0, 0, 0, 2, 2, 4, 0, 4 57574396056977776919aaa7c22be1a3d17774ae321Ian Romanick }; 57674396056977776919aaa7c22be1a3d17774ae321Ian Romanick 57738b317d508a2a3a4cc6d700ebca80c3b06c913e2Alan Hourihane const u_int8_t * bits; 57838b317d508a2a3a4cc6d700ebca80c3b06c913e2Alan Hourihane const u_int32_t * masks; 57974396056977776919aaa7c22be1a3d17774ae321Ian Romanick const int index = fb_type & 0x07; 58074396056977776919aaa7c22be1a3d17774ae321Ian Romanick __GLcontextModes * modes = *ptr_to_modes; 58174396056977776919aaa7c22be1a3d17774ae321Ian Romanick unsigned i; 58274396056977776919aaa7c22be1a3d17774ae321Ian Romanick unsigned j; 58374396056977776919aaa7c22be1a3d17774ae321Ian Romanick unsigned k; 58474396056977776919aaa7c22be1a3d17774ae321Ian Romanick 58574396056977776919aaa7c22be1a3d17774ae321Ian Romanick 58674396056977776919aaa7c22be1a3d17774ae321Ian Romanick if ( bytes_per_pixel[ index ] == 0 ) { 58774396056977776919aaa7c22be1a3d17774ae321Ian Romanick fprintf( stderr, "[%s:%u] Framebuffer type 0x%04x has 0 bytes per pixel.\n", 58838b317d508a2a3a4cc6d700ebca80c3b06c913e2Alan Hourihane __FUNCTION__, __LINE__, fb_type ); 58974396056977776919aaa7c22be1a3d17774ae321Ian Romanick return GL_FALSE; 59074396056977776919aaa7c22be1a3d17774ae321Ian Romanick } 59174396056977776919aaa7c22be1a3d17774ae321Ian Romanick 59274396056977776919aaa7c22be1a3d17774ae321Ian Romanick 59374396056977776919aaa7c22be1a3d17774ae321Ian Romanick /* Valid types are GL_UNSIGNED_SHORT_5_6_5 and GL_UNSIGNED_INT_8_8_8_8 and 59474396056977776919aaa7c22be1a3d17774ae321Ian Romanick * the _REV versions. 59574396056977776919aaa7c22be1a3d17774ae321Ian Romanick * 59674396056977776919aaa7c22be1a3d17774ae321Ian Romanick * Valid formats are GL_RGBA, GL_RGB, and GL_BGRA. 59774396056977776919aaa7c22be1a3d17774ae321Ian Romanick */ 59874396056977776919aaa7c22be1a3d17774ae321Ian Romanick 59974396056977776919aaa7c22be1a3d17774ae321Ian Romanick switch ( fb_format ) { 60074396056977776919aaa7c22be1a3d17774ae321Ian Romanick case GL_RGB: 60174396056977776919aaa7c22be1a3d17774ae321Ian Romanick bits = (bytes_per_pixel[ index ] == 2) 60274396056977776919aaa7c22be1a3d17774ae321Ian Romanick ? bits_table[0] : bits_table[1]; 60374396056977776919aaa7c22be1a3d17774ae321Ian Romanick masks = masks_table_rgb[ index ]; 60474396056977776919aaa7c22be1a3d17774ae321Ian Romanick break; 60574396056977776919aaa7c22be1a3d17774ae321Ian Romanick 60674396056977776919aaa7c22be1a3d17774ae321Ian Romanick case GL_RGBA: 60774396056977776919aaa7c22be1a3d17774ae321Ian Romanick bits = (bytes_per_pixel[ index ] == 2) 60874396056977776919aaa7c22be1a3d17774ae321Ian Romanick ? bits_table[0] : bits_table[2]; 60974396056977776919aaa7c22be1a3d17774ae321Ian Romanick masks = masks_table_rgba[ index ]; 61074396056977776919aaa7c22be1a3d17774ae321Ian Romanick break; 61174396056977776919aaa7c22be1a3d17774ae321Ian Romanick 61274396056977776919aaa7c22be1a3d17774ae321Ian Romanick case GL_BGR: 61374396056977776919aaa7c22be1a3d17774ae321Ian Romanick bits = (bytes_per_pixel[ index ] == 2) 61474396056977776919aaa7c22be1a3d17774ae321Ian Romanick ? bits_table[0] : bits_table[1]; 61574396056977776919aaa7c22be1a3d17774ae321Ian Romanick masks = masks_table_bgr[ index ]; 61674396056977776919aaa7c22be1a3d17774ae321Ian Romanick break; 61774396056977776919aaa7c22be1a3d17774ae321Ian Romanick 61874396056977776919aaa7c22be1a3d17774ae321Ian Romanick case GL_BGRA: 61974396056977776919aaa7c22be1a3d17774ae321Ian Romanick bits = (bytes_per_pixel[ index ] == 2) 62074396056977776919aaa7c22be1a3d17774ae321Ian Romanick ? bits_table[0] : bits_table[2]; 62174396056977776919aaa7c22be1a3d17774ae321Ian Romanick masks = masks_table_bgra[ index ]; 62274396056977776919aaa7c22be1a3d17774ae321Ian Romanick break; 62374396056977776919aaa7c22be1a3d17774ae321Ian Romanick 62474396056977776919aaa7c22be1a3d17774ae321Ian Romanick default: 62574396056977776919aaa7c22be1a3d17774ae321Ian Romanick fprintf( stderr, "[%s:%u] Framebuffer format 0x%04x is not GL_RGB, GL_RGBA, GL_BGR, or GL_BGRA.\n", 62638b317d508a2a3a4cc6d700ebca80c3b06c913e2Alan Hourihane __FUNCTION__, __LINE__, fb_format ); 62774396056977776919aaa7c22be1a3d17774ae321Ian Romanick return GL_FALSE; 62874396056977776919aaa7c22be1a3d17774ae321Ian Romanick } 62974396056977776919aaa7c22be1a3d17774ae321Ian Romanick 63074396056977776919aaa7c22be1a3d17774ae321Ian Romanick 63174396056977776919aaa7c22be1a3d17774ae321Ian Romanick for ( k = 0 ; k < num_depth_stencil_bits ; k++ ) { 63274396056977776919aaa7c22be1a3d17774ae321Ian Romanick for ( i = 0 ; i < num_db_modes ; i++ ) { 63374396056977776919aaa7c22be1a3d17774ae321Ian Romanick for ( j = 0 ; j < 2 ; j++ ) { 63474396056977776919aaa7c22be1a3d17774ae321Ian Romanick 63574396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->redBits = bits[0]; 63674396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->greenBits = bits[1]; 63774396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->blueBits = bits[2]; 63874396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->alphaBits = bits[3]; 63974396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->redMask = masks[0]; 64074396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->greenMask = masks[1]; 64174396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->blueMask = masks[2]; 64274396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->alphaMask = masks[3]; 64374396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->rgbBits = modes->redBits + modes->greenBits 64474396056977776919aaa7c22be1a3d17774ae321Ian Romanick + modes->blueBits + modes->alphaBits; 64574396056977776919aaa7c22be1a3d17774ae321Ian Romanick 64674396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->accumRedBits = 16 * j; 64774396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->accumGreenBits = 16 * j; 64874396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->accumBlueBits = 16 * j; 64974396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->accumAlphaBits = (masks[3] != 0) ? 16 * j : 0; 65074396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->visualRating = (j == 0) ? GLX_NONE : GLX_SLOW_CONFIG; 65174396056977776919aaa7c22be1a3d17774ae321Ian Romanick 65274396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->stencilBits = stencil_bits[k]; 65374396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->depthBits = depth_bits[k]; 65474396056977776919aaa7c22be1a3d17774ae321Ian Romanick 65574396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->visualType = visType; 65674396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->renderType = GLX_RGBA_BIT; 65774396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->drawableType = GLX_WINDOW_BIT; 65874396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->rgbMode = GL_TRUE; 65974396056977776919aaa7c22be1a3d17774ae321Ian Romanick 66074396056977776919aaa7c22be1a3d17774ae321Ian Romanick if ( db_modes[i] == GLX_NONE ) { 66174396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->doubleBufferMode = GL_FALSE; 66274396056977776919aaa7c22be1a3d17774ae321Ian Romanick } 66374396056977776919aaa7c22be1a3d17774ae321Ian Romanick else { 66474396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->doubleBufferMode = GL_TRUE; 66574396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes->swapMethod = db_modes[i]; 66674396056977776919aaa7c22be1a3d17774ae321Ian Romanick } 66774396056977776919aaa7c22be1a3d17774ae321Ian Romanick 6687f8e10f96c1970d2c81ec8d4f3a45a3b006b3be1Keith Whitwell modes->haveAccumBuffer = ((modes->accumRedBits + 6697f8e10f96c1970d2c81ec8d4f3a45a3b006b3be1Keith Whitwell modes->accumGreenBits + 6707f8e10f96c1970d2c81ec8d4f3a45a3b006b3be1Keith Whitwell modes->accumBlueBits + 6717f8e10f96c1970d2c81ec8d4f3a45a3b006b3be1Keith Whitwell modes->accumAlphaBits) > 0); 6727f8e10f96c1970d2c81ec8d4f3a45a3b006b3be1Keith Whitwell modes->haveDepthBuffer = (modes->depthBits > 0); 6737f8e10f96c1970d2c81ec8d4f3a45a3b006b3be1Keith Whitwell modes->haveStencilBuffer = (modes->stencilBits > 0); 6747f8e10f96c1970d2c81ec8d4f3a45a3b006b3be1Keith Whitwell 67574396056977776919aaa7c22be1a3d17774ae321Ian Romanick modes = modes->next; 67674396056977776919aaa7c22be1a3d17774ae321Ian Romanick } 67774396056977776919aaa7c22be1a3d17774ae321Ian Romanick } 67874396056977776919aaa7c22be1a3d17774ae321Ian Romanick } 67974396056977776919aaa7c22be1a3d17774ae321Ian Romanick 68074396056977776919aaa7c22be1a3d17774ae321Ian Romanick *ptr_to_modes = modes; 68174396056977776919aaa7c22be1a3d17774ae321Ian Romanick return GL_TRUE; 68274396056977776919aaa7c22be1a3d17774ae321Ian Romanick} 683