test_gl_surface.h

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef FLUTTER_TESTING_TEST_GL_SURFACE_H_
#define FLUTTER_TESTING_TEST_GL_SURFACE_H_
 
#include <cstdint>
 
#include "flutter/fml/macros.h"
 
#include "third_party/skia/include/core/SkSurface.h"
#include "third_party/skia/include/gpu/GrDirectContext.h"
 
namespace flutter {
namespace testing {
 
class TestGLSurface {
 public:
  explicit TestGLSurface(SkISize surface_size);
 
  ~TestGLSurface();
 
  const SkISize& GetSurfaceSize() const;
 
  bool MakeCurrent();
 
  bool ClearCurrent();
 
  bool Present();
 
  uint32_t GetFramebuffer(uint32_t width, uint32_t height) const;
 
  bool MakeResourceCurrent();
 
  void* GetProcAddress(const char* name) const;
 
  sk_sp<SkSurface> GetOnscreenSurface();
 
  sk_sp<GrDirectContext> GetGrContext();
 
  sk_sp<GrDirectContext> CreateGrContext();
 
  sk_sp<SkImage> GetRasterSurfaceSnapshot();
 
  uint32_t GetWindowFBOId() const;
 
 private:
  // Importing the EGL.h pulls in platform headers which are problematic
  // (especially X11 which #defineds types like Bool). Any TUs importing
  // this header then become susceptible to failures because of platform
  // specific craziness. Don't expose EGL internals via this header.
  using EGLDisplay = void*;
  using EGLContext = void*;
  using EGLSurface = void*;
 
  const SkISize surface_size_;
  EGLDisplay display_;
  EGLContext onscreen_context_;
  EGLContext offscreen_context_;
  EGLSurface onscreen_surface_;
  EGLSurface offscreen_surface_;
  sk_sp<GrDirectContext> context_;
 
  FML_DISALLOW_COPY_AND_ASSIGN(TestGLSurface);
};
 
}  // namespace testing
}  // namespace flutter
 
#endif  // FLUTTER_TESTING_TEST_GL_SURFACE_H_