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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"
#if SK_SUPPORT_GPU
// Ganesh is available. Yippee!
# include "GrContext.h"
# include "GrContextFactory.h"
namespace DM {
static const bool kGPUDisabled = false;
static inline SkSurface* NewGpuSurface(GrContextFactory* grFactory,
GrContextFactory::GLContextType type,
GrGLStandard gpuAPI,
SkImageInfo info,
int samples,
bool useDFText) {
uint32_t flags = useDFText ? SkSurfaceProps::kUseDistanceFieldFonts_Flag : 0;
SkSurfaceProps props(flags, SkSurfaceProps::kLegacyFontHost_InitType);
return SkSurface::NewRenderTarget(grFactory->get(type, gpuAPI), SkSurface::kNo_Budgeted,
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 {}
};
struct GrContextOptions {};
class GrContextFactory {
public:
GrContextFactory() {};
explicit GrContextFactory(const GrContextOptions&) {}
typedef int GLContextType;
static const GLContextType kANGLE_GLContextType = 0,
kDebug_GLContextType = 0,
kMESA_GLContextType = 0,
kNVPR_GLContextType = 0,
kNative_GLContextType = 0,
kNull_GLContextType = 0;
static const int kGLContextTypeCnt = 1;
void destroyContexts() {}
void abandonContexts() {}
};
namespace DM {
static const bool kGPUDisabled = true;
static inline SkSurface* NewGpuSurface(GrContextFactory*,
GrContextFactory::GLContextType,
GrGLStandard,
SkImageInfo,
int,
bool) {
return NULL;
}
} // namespace DM
#endif//SK_SUPPORT_GPU
#endif//DMGpuSupport_DEFINED
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