skia2/tools/sk_app/WindowContext.h
Brian Osman eff04b5ec2 Remove SampleApp and convert HelloWorld to sk_app
There is still a large amount of views code that could be trimmed down,
but which is used to implement samples (in viewer). Seemed simpler to
remove some of this code in pieces.

Bug: skia:
Change-Id: Ia3415060d03c8de604a154e3dc38379b754daab6
Reviewed-on: https://skia-review.googlesource.com/72801
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
2017-11-21 18:37:19 +00:00

77 lines
2.0 KiB
C++

/*
* 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