skia2/dm/DMGpuSupport.h

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/*
* 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;
static inline sk_sp<SkSurface> NewGpuSurface(
sk_gpu_test::GrContextFactory* grFactory,
sk_gpu_test::GrContextFactory::ContextType type,
sk_gpu_test::GrContextFactory::ContextOptions options,
SkImageInfo info,
int samples,
bool useDIText) {
uint32_t flags = useDIText ? SkSurfaceProps::kUseDeviceIndependentFonts_Flag : 0;
if (SkImageInfoIsGammaCorrect(info)) {
flags |= SkSurfaceProps::kGammaCorrect_Flag;
}
SkSurfaceProps props(flags, SkSurfaceProps::kLegacyFontHost_InitType);
return SkSurface::MakeRenderTarget(grFactory->get(type, options), SkBudgeted::kNo,
info, samples, &props);
}
} // 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 {}
};
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,
kMESA_ContextType = 0,
kNVPR_ContextType = 0,
kNativeGL_ContextType = 0,
kGL_ContextType = 0,
kGLES_ContextType = 0,
kNullGL_ContextType = 0,
kVulkan_ContextType = 0;
static const int kContextTypeCnt = 1;
enum ContextOptions {
kNone_ContextOptions = 0,
kEnableNVPR_ContextOptions = 0x1,
};
void destroyContexts() {}
void abandonContexts() {}
void releaseResourcesAndAbandonContexts() {}
};
} // namespace sk_gpu_test
namespace DM {
static const bool kGPUDisabled = true;
static inline SkSurface* NewGpuSurface(sk_gpu_test::GrContextFactory*,
sk_gpu_test::GrContextFactory::ContextType,
sk_gpu_test::GrContextFactory::ContextOptions,
SkImageInfo,
int,
bool) {
return nullptr;
}
} // namespace DM
#endif//SK_SUPPORT_GPU
#endif//DMGpuSupport_DEFINED