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// Copyright (c) 2012 The Chromium 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 UI_GL_GL_SURFACE_WGL_H_
#define UI_GL_GL_SURFACE_WGL_H_
#include "base/macros.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gl/gl_export.h"
#include "ui/gl/gl_surface.h"
namespace gl {
// Base interface for WGL surfaces.
class GL_EXPORT GLSurfaceWGL : public GLSurface {
public:
GLSurfaceWGL();
// Implement GLSurface.
void* GetDisplay() override;
static bool InitializeOneOff();
static void InitializeOneOffForTesting();
static HDC GetDisplayDC();
protected:
~GLSurfaceWGL() override;
private:
DISALLOW_COPY_AND_ASSIGN(GLSurfaceWGL);
};
// A surface used to render to a view.
class GL_EXPORT NativeViewGLSurfaceWGL : public GLSurfaceWGL {
public:
explicit NativeViewGLSurfaceWGL(gfx::AcceleratedWidget window);
// Implement GLSurface.
bool Initialize(GLSurfaceFormat format) override;
void Destroy() override;
bool Resize(const gfx::Size& size,
float scale_factor,
bool has_alpha) override;
bool Recreate() override;
bool IsOffscreen() override;
gfx::SwapResult SwapBuffers() override;
gfx::Size GetSize() override;
void* GetHandle() override;
private:
~NativeViewGLSurfaceWGL() override;
GLSurfaceFormat format_;
gfx::AcceleratedWidget window_;
gfx::AcceleratedWidget child_window_;
HDC device_context_;
DISALLOW_COPY_AND_ASSIGN(NativeViewGLSurfaceWGL);
};
// A surface used to render to an offscreen pbuffer.
class GL_EXPORT PbufferGLSurfaceWGL : public GLSurfaceWGL {
public:
explicit PbufferGLSurfaceWGL(const gfx::Size& size);
// Implement GLSurface.
bool Initialize(GLSurfaceFormat format) override;
void Destroy() override;
bool IsOffscreen() override;
gfx::SwapResult SwapBuffers() override;
gfx::Size GetSize() override;
void* GetHandle() override;
private:
~PbufferGLSurfaceWGL() override;
gfx::Size size_;
HDC device_context_;
void* pbuffer_;
DISALLOW_COPY_AND_ASSIGN(PbufferGLSurfaceWGL);
};
} // namespace gl
#endif // UI_GL_GL_SURFACE_WGL_H_
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