1ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston/* 2ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston Copyright (c) 2008, 2009 Apple Inc. 3ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 4ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston Permission is hereby granted, free of charge, to any person 5ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston obtaining a copy of this software and associated documentation files 6ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston (the "Software"), to deal in the Software without restriction, 7ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston including without limitation the rights to use, copy, modify, merge, 8ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston publish, distribute, sublicense, and/or sell copies of the Software, 9ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston and to permit persons to whom the Software is furnished to do so, 10ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston subject to the following conditions: 11ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 12ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston The above copyright notice and this permission notice shall be 13ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston included in all copies or substantial portions of the Software. 14ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 15ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 17ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 18ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT 19ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 20ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston DEALINGS IN THE SOFTWARE. 23ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 24ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston Except as contained in this notice, the name(s) of the above 25ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston copyright holders shall not be used in advertising or otherwise to 26ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston promote the sale, use or other dealings in this Software without 27ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston prior written authorization. 28ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston*/ 29ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 30ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston#include <stdbool.h> 31ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston#include <stdio.h> 32ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston#include <stdlib.h> 33ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston#include <assert.h> 34ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston#include <GL/gl.h> 35a1cb3babbef2af222b839a058694acc82a7074f1Jeremy Huddleston 36a1cb3babbef2af222b839a058694acc82a7074f1Jeremy Huddleston/* <rdar://problem/6953344> */ 37a1cb3babbef2af222b839a058694acc82a7074f1Jeremy Huddleston#define glTexImage1D glTexImage1D_OSX 38a1cb3babbef2af222b839a058694acc82a7074f1Jeremy Huddleston#define glTexImage2D glTexImage2D_OSX 39a1cb3babbef2af222b839a058694acc82a7074f1Jeremy Huddleston#define glTexImage3D glTexImage3D_OSX 40ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston#include <OpenGL/OpenGL.h> 41ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston#include <OpenGL/CGLContext.h> 42ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston#include <OpenGL/CGLRenderers.h> 439a00dd974699e369b1eb292103fbde8bc6adfb87Jeremy Huddleston#include <OpenGL/CGLTypes.h> 44a1cb3babbef2af222b839a058694acc82a7074f1Jeremy Huddleston#undef glTexImage1D 45a1cb3babbef2af222b839a058694acc82a7074f1Jeremy Huddleston#undef glTexImage2D 46a1cb3babbef2af222b839a058694acc82a7074f1Jeremy Huddleston#undef glTexImage3D 47a1cb3babbef2af222b839a058694acc82a7074f1Jeremy Huddleston 489a00dd974699e369b1eb292103fbde8bc6adfb87Jeremy Huddleston#ifndef kCGLPFAOpenGLProfile 499a00dd974699e369b1eb292103fbde8bc6adfb87Jeremy Huddleston#define kCGLPFAOpenGLProfile 99 509a00dd974699e369b1eb292103fbde8bc6adfb87Jeremy Huddleston#endif 519a00dd974699e369b1eb292103fbde8bc6adfb87Jeremy Huddleston 529a00dd974699e369b1eb292103fbde8bc6adfb87Jeremy Huddleston#ifndef kCGLOGLPVersion_3_2_Core 539a00dd974699e369b1eb292103fbde8bc6adfb87Jeremy Huddleston#define kCGLOGLPVersion_3_2_Core 0x3200 549a00dd974699e369b1eb292103fbde8bc6adfb87Jeremy Huddleston#endif 559a00dd974699e369b1eb292103fbde8bc6adfb87Jeremy Huddleston 56ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston#include "apple_cgl.h" 57ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston#include "apple_visual.h" 58ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston#include "apple_glx.h" 594c9bab78a118953baf307e31cd53e731299f0151Jeremy Huddleston#include "glxconfig.h" 60ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 61ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddlestonenum 62ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston{ 63ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston MAX_ATTR = 60 64ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston}; 65ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 669eb1d36c978a9b15ae2e999c630492dfffd7f165Jeremy Huddlestonstatic char __crashreporter_info_buff__[4096] = { 0 }; 679eb1d36c978a9b15ae2e999c630492dfffd7f165Jeremy Huddlestonstatic const char *__crashreporter_info__ __attribute__((__used__)) = 689eb1d36c978a9b15ae2e999c630492dfffd7f165Jeremy Huddleston &__crashreporter_info_buff__[0]; 699eb1d36c978a9b15ae2e999c630492dfffd7f165Jeremy Huddleston#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1050 709eb1d36c978a9b15ae2e999c630492dfffd7f165Jeremy Huddleston// This is actually a toolchain requirement, but I'm not sure the correct check, 719eb1d36c978a9b15ae2e999c630492dfffd7f165Jeremy Huddleston// but it should be fine to just only include it for Leopard and later. This line 729eb1d36c978a9b15ae2e999c630492dfffd7f165Jeremy Huddleston// just tells the linker to never strip this symbol (such as for space optimization) 739eb1d36c978a9b15ae2e999c630492dfffd7f165Jeremy Huddleston__asm__ (".desc ___crashreporter_info__, 0x10"); 749eb1d36c978a9b15ae2e999c630492dfffd7f165Jeremy Huddleston#endif 759eb1d36c978a9b15ae2e999c630492dfffd7f165Jeremy Huddleston 76ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddlestonvoid 7702b6e97c75bf2e013064e789b70704c6376e0628Jeremy Huddlestonapple_visual_create_pfobj(CGLPixelFormatObj * pfobj, const struct glx_config * mode, 78ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston bool * double_buffered, bool * uses_stereo, 79ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston bool offscreen) 80ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston{ 81ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston CGLPixelFormatAttribute attr[MAX_ATTR]; 82ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston int numattr = 0; 83ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston GLint vsref = 0; 84ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston CGLError error = 0; 8504ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston bool use_core_profile = getenv("LIBGL_PROFILE_CORE"); 869a00dd974699e369b1eb292103fbde8bc6adfb87Jeremy Huddleston 87ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston if (offscreen) { 88ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston apple_glx_diagnostic 89ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston ("offscreen rendering enabled. Using kCGLPFAOffScreen\n"); 90ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 91ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston attr[numattr++] = kCGLPFAOffScreen; 92ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston } 93ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston else if (getenv("LIBGL_ALWAYS_SOFTWARE") != NULL) { 94ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston apple_glx_diagnostic 95ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston ("Software rendering requested. Using kCGLRendererGenericFloatID.\n"); 96ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston attr[numattr++] = kCGLPFARendererID; 97ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston attr[numattr++] = kCGLRendererGenericFloatID; 98ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston } 99ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston else if (getenv("LIBGL_ALLOW_SOFTWARE") != NULL) { 100ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston apple_glx_diagnostic 101ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston ("Software rendering is not being excluded. Not using kCGLPFAAccelerated.\n"); 102ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston } 103ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston else { 104ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston attr[numattr++] = kCGLPFAAccelerated; 105ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston } 106ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 107ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston /* 108ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston * The program chose a config based on the fbconfigs or visuals. 109ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston * Those are based on the attributes from CGL, so we probably 110ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston * do want the closest match for the color, depth, and accum. 111ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston */ 112ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston attr[numattr++] = kCGLPFAClosestPolicy; 113ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 11402b6e97c75bf2e013064e789b70704c6376e0628Jeremy Huddleston if (mode->stereoMode) { 115ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston attr[numattr++] = kCGLPFAStereo; 116ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston *uses_stereo = true; 117ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston } 118ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston else { 119ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston *uses_stereo = false; 120ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston } 121ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 1225fdf1f784bf449d7ce9839506fa23c5357696c4cJonas Maebe if (!offscreen && mode->doubleBufferMode) { 123ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston attr[numattr++] = kCGLPFADoubleBuffer; 124ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston *double_buffered = true; 125ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston } 126ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston else { 127ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston *double_buffered = false; 128ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston } 129ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 130ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston attr[numattr++] = kCGLPFAColorSize; 13102b6e97c75bf2e013064e789b70704c6376e0628Jeremy Huddleston attr[numattr++] = mode->redBits + mode->greenBits + mode->blueBits; 132ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston attr[numattr++] = kCGLPFAAlphaSize; 13302b6e97c75bf2e013064e789b70704c6376e0628Jeremy Huddleston attr[numattr++] = mode->alphaBits; 134ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 13502b6e97c75bf2e013064e789b70704c6376e0628Jeremy Huddleston if ((mode->accumRedBits + mode->accumGreenBits + mode->accumBlueBits) > 0) { 136ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston attr[numattr++] = kCGLPFAAccumSize; 13702b6e97c75bf2e013064e789b70704c6376e0628Jeremy Huddleston attr[numattr++] = mode->accumRedBits + mode->accumGreenBits + 13802b6e97c75bf2e013064e789b70704c6376e0628Jeremy Huddleston mode->accumBlueBits + mode->accumAlphaBits; 139ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston } 140ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 14102b6e97c75bf2e013064e789b70704c6376e0628Jeremy Huddleston if (mode->depthBits > 0) { 142ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston attr[numattr++] = kCGLPFADepthSize; 14302b6e97c75bf2e013064e789b70704c6376e0628Jeremy Huddleston attr[numattr++] = mode->depthBits; 144ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston } 145ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 14602b6e97c75bf2e013064e789b70704c6376e0628Jeremy Huddleston if (mode->stencilBits > 0) { 147ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston attr[numattr++] = kCGLPFAStencilSize; 14802b6e97c75bf2e013064e789b70704c6376e0628Jeremy Huddleston attr[numattr++] = mode->stencilBits; 149ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston } 150ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 15102b6e97c75bf2e013064e789b70704c6376e0628Jeremy Huddleston if (mode->sampleBuffers > 0) { 152ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston attr[numattr++] = kCGLPFAMultisample; 153ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston attr[numattr++] = kCGLPFASampleBuffers; 15402b6e97c75bf2e013064e789b70704c6376e0628Jeremy Huddleston attr[numattr++] = mode->sampleBuffers; 155ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston attr[numattr++] = kCGLPFASamples; 15602b6e97c75bf2e013064e789b70704c6376e0628Jeremy Huddleston attr[numattr++] = mode->samples; 157ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston } 158ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 15904ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston /* Debugging support for Core profiles to support newer versions of OpenGL */ 16004ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston if (use_core_profile) { 16104ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston attr[numattr++] = kCGLPFAOpenGLProfile; 16204ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston attr[numattr++] = kCGLOGLPVersion_3_2_Core; 16304ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston } 16404ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston 165ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston attr[numattr++] = 0; 166ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 167ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston assert(numattr < MAX_ATTR); 168ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 169ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston error = apple_cgl.choose_pixel_format(attr, pfobj, &vsref); 170ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston 17104ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston if ((error == kCGLBadAttribute || vsref == 0) && use_core_profile) { 17204ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston apple_glx_diagnostic 17304ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston ("Trying again without CoreProfile: error=%s, vsref=%d\n", apple_cgl.error_string(error), vsref); 17404ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston 17504ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston if (!error) 17604ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston apple_cgl.destroy_pixel_format(*pfobj); 17704ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston 17804ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston numattr -= 3; 17904ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston attr[numattr++] = 0; 18004ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston 18104ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston error = apple_cgl.choose_pixel_format(attr, pfobj, &vsref); 18204ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston } 18304ce3be4010305902cc5ae81e8e0c8550d043a1eJeremy Huddleston 184ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston if (error) { 1859eb1d36c978a9b15ae2e999c630492dfffd7f165Jeremy Huddleston snprintf(__crashreporter_info_buff__, sizeof(__crashreporter_info_buff__), 1869eb1d36c978a9b15ae2e999c630492dfffd7f165Jeremy Huddleston "CGLChoosePixelFormat error: %s\n", apple_cgl.error_string(error)); 1879eb1d36c978a9b15ae2e999c630492dfffd7f165Jeremy Huddleston fprintf(stderr, "%s", __crashreporter_info_buff__); 188ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston abort(); 189ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston } 190002a3a74273b81dfb226e1c3f0a8c18525ed0af4Jon Turney 191002a3a74273b81dfb226e1c3f0a8c18525ed0af4Jon Turney if (!*pfobj) { 1929eb1d36c978a9b15ae2e999c630492dfffd7f165Jeremy Huddleston snprintf(__crashreporter_info_buff__, sizeof(__crashreporter_info_buff__), 1939eb1d36c978a9b15ae2e999c630492dfffd7f165Jeremy Huddleston "No matching pixelformats found, perhaps try using LIBGL_ALLOW_SOFTWARE\n"); 1949eb1d36c978a9b15ae2e999c630492dfffd7f165Jeremy Huddleston fprintf(stderr, "%s", __crashreporter_info_buff__); 195002a3a74273b81dfb226e1c3f0a8c18525ed0af4Jon Turney abort(); 196002a3a74273b81dfb226e1c3f0a8c18525ed0af4Jon Turney } 197ad503c41557606d15b0420c824369456f6d20a8fJeremy Huddleston} 198