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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrGpuFactory.h"
#include "gl/GrGLConfig.h"
#include "GrGpu.h"
#include "gl/GrGLGpu.h"
static GrGpu* gl_gpu_create(GrBackendContext backendContext, GrContext* context) {
const GrGLInterface* glInterface = NULL;
SkAutoTUnref<const GrGLInterface> glInterfaceUnref;
glInterface = reinterpret_cast<const GrGLInterface*>(backendContext);
if (NULL == glInterface) {
glInterface = GrGLDefaultInterface();
// By calling GrGLDefaultInterface we've taken a ref on the
// returned object. We only want to hold that ref until after
// the GrGpu is constructed and has taken ownership.
glInterfaceUnref.reset(glInterface);
}
if (NULL == glInterface) {
#ifdef SK_DEBUG
SkDebugf("No GL interface provided!\n");
#endif
return NULL;
}
GrGLContext ctx(glInterface);
if (ctx.isInitialized()) {
return SkNEW_ARGS(GrGLGpu, (ctx, context));
}
return NULL;
}
static const int kMaxNumBackends = 4;
static CreateGpuProc gGpuFactories[kMaxNumBackends] = {gl_gpu_create, NULL, NULL, NULL};
GrGpuFactoryRegistrar::GrGpuFactoryRegistrar(int i, CreateGpuProc proc) {
gGpuFactories[i] = proc;
}
GrGpu* GrGpu::Create(GrBackend backend, GrBackendContext backendContext, GrContext* context) {
SkASSERT((int)backend < kMaxNumBackends);
if (!gGpuFactories[backend]) {
return NULL;
}
return (gGpuFactories[backend])(backendContext, context);
}
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