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Diffstat (limited to 'tools/sk_app/WindowContext.h')
-rw-r--r-- | tools/sk_app/WindowContext.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/tools/sk_app/WindowContext.h b/tools/sk_app/WindowContext.h new file mode 100644 index 0000000000..cd4c357e20 --- /dev/null +++ b/tools/sk_app/WindowContext.h @@ -0,0 +1,76 @@ +/* + * Copyright 2016 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ +#ifndef WindowContext_DEFINED +#define WindowContext_DEFINED + +#include "DisplayParams.h" +#include "GrContext.h" +#include "GrTypes.h" +#include "SkRefCnt.h" +#include "SkSurfaceProps.h" + +class SkSurface; +class GrRenderTarget; + +namespace sk_app { + +class WindowContext { +public: + WindowContext(const DisplayParams& params) + : fContext(nullptr) + , fDisplayParams(params) + , fSurfaceProps(SkSurfaceProps::kLegacyFontHost_InitType) + , fSampleCount(0) + , fStencilBits(0) {} + + virtual ~WindowContext() {} + + virtual sk_sp<SkSurface> getBackbufferSurface() = 0; + + virtual void swapBuffers() = 0; + + virtual bool isValid() = 0; + + virtual void resize(int w, int h) = 0; + + const DisplayParams& getDisplayParams() { return fDisplayParams; } + virtual void setDisplayParams(const DisplayParams& params) = 0; + + SkSurfaceProps getSurfaceProps() const { return fSurfaceProps; } + void setSurfaceProps(const SkSurfaceProps& props) { + fSurfaceProps = props; + } + + virtual GrBackendContext getBackendContext() = 0; + GrContext* getGrContext() const { return fContext.get(); } + + int width() const { return fWidth; } + int height() const { return fHeight; } + int sampleCount() const { return fSampleCount; } + int stencilBits() const { return fStencilBits; } + +protected: + virtual bool isGpuContext() { return true; } + + sk_sp<GrContext> fContext; + + int fWidth; + int fHeight; + DisplayParams fDisplayParams; + GrPixelConfig fPixelConfig; + SkSurfaceProps fSurfaceProps; + + // parameters obtained from the native window + // Note that the platform .cpp file is responsible for + // initializing fSampleCount and fStencilBits! + int fSampleCount; + int fStencilBits; +}; + +} // namespace sk_app + +#endif |