skia2/dm/DMGpuSupport.h

/*
 * Copyright 2014 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef DMGpuSupport_DEFINED
#define DMGpuSupport_DEFINED

// Provides Ganesh to DM,
// or if it's not available, fakes it enough so most code doesn't have to know that.

#include "SkSurface.h"

// This should be safe to include even in no-gpu builds. Include by relative path so it
// can be found in non-gpu builds.
#include "../include/gpu/GrContextOptions.h"

#if SK_SUPPORT_GPU

// Ganesh is available.  Yippee!

#  include "GrContext.h"
#  include "GrContextFactory.h"

namespace DM {

static const bool kGPUDisabled = false;

}  // namespace DM

#else// !SK_SUPPORT_GPU

// Ganesh is not available.  Fake it.

enum GrGLStandard {
    kNone_GrGLStandard,
    kGL_GrGLStandard,
    kGLES_GrGLStandard
};
static const int kGrGLStandardCnt = 3;

class GrContext {
public:
    void dumpCacheStats(SkString*) const {}
    void dumpGpuStats(SkString*) const {}
};

class SkCommandLineConfigGpu {
public:
    enum class SurfType;
};

namespace sk_gpu_test {
class GrContextFactory {
public:
    GrContextFactory() {}
    explicit GrContextFactory(const GrContextOptions&) {}

    typedef int ContextType;

    static const ContextType kANGLE_ContextType         = 0,
                             kANGLE_GL_ContextType      = 0,
                             kCommandBuffer_ContextType = 0,
                             kDebugGL_ContextType       = 0,
                             kNVPR_ContextType          = 0,
                             kNativeGL_ContextType      = 0,
                             kGL_ContextType            = 0,
                             kGLES_ContextType          = 0,
                             kNullGL_ContextType        = 0,
                             kVulkan_ContextType        = 0,
                             kMetal_ContextType         = 0;
    static const int kContextTypeCnt = 1;
    enum class ContextOverrides {};
    void destroyContexts() {}

    void abandonContexts() {}

    void releaseResourcesAndAbandonContexts() {}
};
}  // namespace sk_gpu_test

namespace DM {

static const bool kGPUDisabled = true;

}  // namespace DM

#endif//SK_SUPPORT_GPU

#endif//DMGpuSupport_DEFINED