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/*
Copyright 2011 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "GrTypes.h"
// must be before GrGLConfig.h
#if GR_WIN32_BUILD
// #include "GrGpuD3D9.h"
#endif
#include "GrGLConfig.h"
#include "GrGpu.h"
#include "GrGpuGLFixed.h"
#include "GrGpuGLShaders.h"
#include "GrGpuGLShaders2.h"
GrGpu* GrGpu::Create(GrEngine engine, GrPlatform3DContext context3D) {
if (kOpenGL_Shaders_GrEngine == engine ||
kOpenGL_Fixed_GrEngine == engine) {
// If no GL bindings have been installed, fall-back to calling the
// GL functions that have been linked with the executable.
if (!GrGLGetGLInterface()) {
GrGLSetDefaultGLInterface();
// If there is no platform-default then just fail.
if (!GrGLGetGLInterface()) {
return NULL;
}
}
if (!GrGLGetGLInterface()->validate(engine)) {
#if GR_DEBUG
GrPrintf("Failed GL interface validation!");
#endif
return NULL;
}
}
GrGpu* gpu = NULL;
switch (engine) {
case kOpenGL_Shaders_GrEngine:
GrAssert(NULL == context3D);
{
#if 0 // old code path, will be removed soon
gpu = new GrGpuGLShaders2;
#else
gpu = new GrGpuGLShaders;
#endif
}
break;
case kOpenGL_Fixed_GrEngine:
GrAssert(NULL == context3D);
gpu = new GrGpuGLFixed;
break;
case kDirect3D9_GrEngine:
GrAssert(NULL != context3D);
#if GR_WIN32_BUILD
// gpu = new GrGpuD3D9((IDirect3DDevice9*)context3D);
#endif
break;
default:
GrAssert(!"unknown engine");
break;
}
return gpu;
}
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