1 /* 2 Copyright 2011 Google Inc. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 #include "GrTypes.h" 18 19 // must be before GrGLConfig.h 20 #if GR_WIN32_BUILD 21 // #include "GrGpuD3D9.h" 22 #endif 23 24 #include "GrGLConfig.h" 25 26 #include "GrGpu.h" 27 #include "GrGpuGLFixed.h" 28 #include "GrGpuGLShaders.h" 29 Create(GrEngine engine,GrPlatform3DContext context3D)30GrGpu* GrGpu::Create(GrEngine engine, GrPlatform3DContext context3D) { 31 32 if (kOpenGL_Shaders_GrEngine == engine || 33 kOpenGL_Fixed_GrEngine == engine) { 34 // If no GL bindings have been installed, fall-back to calling the 35 // GL functions that have been linked with the executable. 36 if (!GrGLGetGLInterface()) { 37 GrGLSetDefaultGLInterface(); 38 // If there is no platform-default then just fail. 39 if (!GrGLGetGLInterface()) { 40 return NULL; 41 } 42 } 43 if (!GrGLGetGLInterface()->validate(engine)) { 44 #if GR_DEBUG 45 GrPrintf("Failed GL interface validation!"); 46 #endif 47 return NULL; 48 } 49 } 50 51 GrGpu* gpu = NULL; 52 53 switch (engine) { 54 case kOpenGL_Shaders_GrEngine: 55 GrAssert(NULL == (void*)context3D); 56 { 57 #if 0 // old code path, will be removed soon 58 gpu = new GrGpuGLShaders2; 59 #else 60 gpu = new GrGpuGLShaders; 61 #endif 62 } 63 break; 64 case kOpenGL_Fixed_GrEngine: 65 GrAssert(NULL == (void*)context3D); 66 gpu = new GrGpuGLFixed; 67 break; 68 case kDirect3D9_GrEngine: 69 GrAssert(NULL != (void*)context3D); 70 #if GR_WIN32_BUILD 71 // gpu = new GrGpuD3D9((IDirect3DDevice9*)context3D); 72 #endif 73 break; 74 default: 75 GrAssert(!"unknown engine"); 76 break; 77 } 78 79 return gpu; 80 } 81