| // 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_GLX_H_ |
| #define UI_GL_GL_SURFACE_GLX_H_ |
| |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| #include "ui/gfx/native_widget_types.h" |
| #include "ui/gfx/size.h" |
| #include "ui/gfx/vsync_provider.h" |
| #include "ui/gfx/x/x11_types.h" |
| #include "ui/gl/gl_export.h" |
| #include "ui/gl/gl_surface.h" |
| |
| namespace gfx { |
| |
| // Base class for GLX surfaces. |
| class GL_EXPORT GLSurfaceGLX : public GLSurface { |
| public: |
| GLSurfaceGLX(); |
| |
| static bool InitializeOneOff(); |
| |
| // These aren't particularly tied to surfaces, but since we already |
| // have the static InitializeOneOff here, it's easiest to reuse its |
| // initialization guards. |
| static const char* GetGLXExtensions(); |
| static bool HasGLXExtension(const char* name); |
| static bool IsCreateContextSupported(); |
| static bool IsCreateContextRobustnessSupported(); |
| static bool IsTextureFromPixmapSupported(); |
| static bool IsOMLSyncControlSupported(); |
| |
| virtual void* GetDisplay() OVERRIDE; |
| |
| // Get the FB config that the surface was created with or NULL if it is not |
| // a GLX drawable. |
| virtual void* GetConfig() = 0; |
| |
| protected: |
| virtual ~GLSurfaceGLX(); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(GLSurfaceGLX); |
| }; |
| |
| // A surface used to render to a view. |
| class GL_EXPORT NativeViewGLSurfaceGLX : public GLSurfaceGLX { |
| public: |
| explicit NativeViewGLSurfaceGLX(gfx::AcceleratedWidget window); |
| |
| // Implement GLSurfaceGLX. |
| virtual bool Initialize() OVERRIDE; |
| virtual void Destroy() OVERRIDE; |
| virtual bool Resize(const gfx::Size& size) OVERRIDE; |
| virtual bool IsOffscreen() OVERRIDE; |
| virtual bool SwapBuffers() OVERRIDE; |
| virtual gfx::Size GetSize() OVERRIDE; |
| virtual void* GetHandle() OVERRIDE; |
| virtual std::string GetExtensions() OVERRIDE; |
| virtual void* GetConfig() OVERRIDE; |
| virtual bool PostSubBuffer(int x, int y, int width, int height) OVERRIDE; |
| virtual VSyncProvider* GetVSyncProvider() OVERRIDE; |
| |
| protected: |
| NativeViewGLSurfaceGLX(); |
| virtual ~NativeViewGLSurfaceGLX(); |
| |
| private: |
| // The handle for the drawable to make current or swap. |
| gfx::AcceleratedWidget GetDrawableHandle() const; |
| |
| // Window passed in at creation. Always valid. |
| gfx::AcceleratedWidget parent_window_; |
| |
| #if defined(TOOLKIT_GTK) |
| // Some NVIDIA drivers don't allow deleting GLX windows separately from their |
| // parent X windows. Work around this by creating a child X window to the |
| // window passed in to the constructor, creating the GLX window against the |
| // child window, and then destroying the child window to destroy the GLX |
| // window. |
| // http://crbug.com/145600 |
| void CreateChildWindow(); |
| void DestroyChildWindow(); |
| |
| // Destroy the child window when both the front and back buffers are |
| // deallocated. |
| virtual bool SetBackbufferAllocation(bool allocated) OVERRIDE; |
| virtual void SetFrontbufferAllocation(bool allocated) OVERRIDE; |
| void AdjustBufferAllocation(); |
| |
| // Child window which is used with GLX, and is discarded when it is |
| // backgrounded. |
| gfx::AcceleratedWidget child_window_; |
| |
| // Dummy 1x1 window which is supplied to glXMakeCurrent when making |
| // the context current while its output surface is destroyed. |
| gfx::AcceleratedWidget dummy_window_; |
| |
| bool backbuffer_allocated_; |
| bool frontbuffer_allocated_; |
| #endif |
| |
| void* config_; |
| gfx::Size size_; |
| |
| scoped_ptr<VSyncProvider> vsync_provider_; |
| |
| DISALLOW_COPY_AND_ASSIGN(NativeViewGLSurfaceGLX); |
| }; |
| |
| // A surface used to render to an offscreen pbuffer. |
| class GL_EXPORT PbufferGLSurfaceGLX : public GLSurfaceGLX { |
| public: |
| explicit PbufferGLSurfaceGLX(const gfx::Size& size); |
| |
| // Implement GLSurfaceGLX. |
| virtual bool Initialize() OVERRIDE; |
| virtual void Destroy() OVERRIDE; |
| virtual bool IsOffscreen() OVERRIDE; |
| virtual bool SwapBuffers() OVERRIDE; |
| virtual gfx::Size GetSize() OVERRIDE; |
| virtual void* GetHandle() OVERRIDE; |
| virtual void* GetConfig() OVERRIDE; |
| |
| protected: |
| virtual ~PbufferGLSurfaceGLX(); |
| |
| private: |
| gfx::Size size_; |
| void* config_; |
| XID pbuffer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PbufferGLSurfaceGLX); |
| }; |
| |
| } // namespace gfx |
| |
| #endif // UI_GL_GL_SURFACE_GLX_H_ |