| // 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 bool InitializeExtensionSettingsOneOff(); |
| static void InitializeOneOffForTesting(); |
| static HDC GetDisplayDC(); |
| |
| protected: |
| ~GLSurfaceWGL() override; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(GLSurfaceWGL); |
| static bool initialized_; |
| }; |
| |
| // 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, |
| ColorSpace color_space, |
| bool has_alpha) override; |
| bool Recreate() override; |
| bool IsOffscreen() override; |
| gfx::SwapResult SwapBuffers(PresentationCallback callback) override; |
| gfx::Size GetSize() override; |
| void* GetHandle() override; |
| GLSurfaceFormat GetFormat() override; |
| void SetVSyncEnabled(bool enabled) 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(PresentationCallback callback) override; |
| gfx::Size GetSize() override; |
| void* GetHandle() override; |
| GLSurfaceFormat GetFormat() 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_ |