| // 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 <stdint.h> |
| |
| #include <memory> |
| #include <string> |
| |
| #include "ui/gfx/geometry/size.h" |
| #include "ui/gfx/native_widget_types.h" |
| #include "ui/gfx/x/event.h" |
| #include "ui/gfx/x/glx.h" |
| #include "ui/gl/gl_export.h" |
| #include "ui/gl/gl_surface.h" |
| |
| using GLXFBConfig = struct __GLXFBConfigRec*; |
| |
| namespace gfx { |
| class VSyncProvider; |
| } |
| |
| namespace gl { |
| |
| class GLSurfacePresentationHelper; |
| |
| // Base class for GLX surfaces. |
| class GL_EXPORT GLSurfaceGLX : public GLSurface { |
| public: |
| GLSurfaceGLX(); |
| |
| GLSurfaceGLX(const GLSurfaceGLX&) = delete; |
| GLSurfaceGLX& operator=(const GLSurfaceGLX&) = delete; |
| |
| static bool InitializeOneOff(); |
| static bool InitializeExtensionSettingsOneOff(); |
| static void ShutdownOneOff(); |
| |
| // 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 std::string QueryGLXExtensions(); |
| static const char* GetGLXExtensions(); |
| static bool HasGLXExtension(const char* name); |
| static bool IsCreateContextSupported(); |
| static bool IsCreateContextRobustnessSupported(); |
| static bool IsRobustnessVideoMemoryPurgeSupported(); |
| static bool IsCreateContextProfileSupported(); |
| static bool IsCreateContextES2ProfileSupported(); |
| static bool IsTextureFromPixmapSupported(); |
| static bool IsOMLSyncControlSupported(); |
| static bool IsEXTSwapControlSupported(); |
| static bool IsMESASwapControlSupported(); |
| |
| void* GetDisplay() override; |
| |
| // Get the FB config that the surface was created with or NULL if it is not |
| // a GLX drawable. |
| void* GetConfig() override = 0; |
| |
| protected: |
| ~GLSurfaceGLX() override; |
| |
| private: |
| static bool initialized_; |
| }; |
| |
| // A surface used to render to a view. |
| class GL_EXPORT NativeViewGLSurfaceGLX : public GLSurfaceGLX { |
| public: |
| explicit NativeViewGLSurfaceGLX(gfx::AcceleratedWidget window); |
| |
| NativeViewGLSurfaceGLX(const NativeViewGLSurfaceGLX&) = delete; |
| NativeViewGLSurfaceGLX& operator=(const NativeViewGLSurfaceGLX&) = delete; |
| |
| // Implement GLSurfaceGLX. |
| bool Initialize(GLSurfaceFormat format) override; |
| void Destroy() override; |
| bool Resize(const gfx::Size& size, |
| float scale_factor, |
| const gfx::ColorSpace& color_space, |
| bool has_alpha) override; |
| bool IsOffscreen() override; |
| gfx::SwapResult SwapBuffers(PresentationCallback callback) override; |
| gfx::Size GetSize() override; |
| void* GetHandle() override; |
| bool SupportsPostSubBuffer() override; |
| void* GetConfig() override; |
| GLSurfaceFormat GetFormat() override; |
| gfx::SwapResult PostSubBuffer(int x, |
| int y, |
| int width, |
| int height, |
| PresentationCallback callback) override; |
| bool OnMakeCurrent(GLContext* context) override; |
| gfx::VSyncProvider* GetVSyncProvider() override; |
| void SetVSyncEnabled(bool enabled) override; |
| |
| protected: |
| ~NativeViewGLSurfaceGLX() override; |
| |
| // Handle registering and unregistering for Expose events. |
| virtual void RegisterEvents() = 0; |
| virtual void UnregisterEvents() = 0; |
| |
| // Forwards Expose event to child window. |
| void ForwardExposeEvent(const x11::Event& xevent); |
| |
| // Checks if event is Expose for child window. |
| bool CanHandleEvent(const x11::Event& xevent); |
| |
| gfx::AcceleratedWidget window() const { |
| return static_cast<gfx::AcceleratedWidget>(window_); |
| } |
| |
| private: |
| // The handle for the drawable to make current or swap. |
| uint32_t GetDrawableHandle() const; |
| |
| // Window passed in at creation. Always valid. |
| gfx::AcceleratedWidget parent_window_; |
| |
| // Child window, used to control resizes so that they're in-order with GL. |
| x11::Window window_; |
| |
| // GLXDrawable for the window. |
| x11::Glx::Window glx_window_; |
| |
| GLXFBConfig config_; |
| gfx::Size size_; |
| |
| bool has_swapped_buffers_; |
| |
| std::unique_ptr<gfx::VSyncProvider> vsync_provider_; |
| |
| std::unique_ptr<GLSurfacePresentationHelper> presentation_helper_; |
| }; |
| |
| // A surface used to render to an offscreen pbuffer. |
| class GL_EXPORT UnmappedNativeViewGLSurfaceGLX : public GLSurfaceGLX { |
| public: |
| explicit UnmappedNativeViewGLSurfaceGLX(const gfx::Size& size); |
| |
| UnmappedNativeViewGLSurfaceGLX(const UnmappedNativeViewGLSurfaceGLX&) = |
| delete; |
| UnmappedNativeViewGLSurfaceGLX& operator=( |
| const UnmappedNativeViewGLSurfaceGLX&) = delete; |
| |
| // Implement GLSurfaceGLX. |
| bool Initialize(GLSurfaceFormat format) override; |
| void Destroy() override; |
| bool IsOffscreen() override; |
| gfx::SwapResult SwapBuffers(PresentationCallback callback) override; |
| gfx::Size GetSize() override; |
| void* GetHandle() override; |
| void* GetConfig() override; |
| GLSurfaceFormat GetFormat() override; |
| |
| protected: |
| ~UnmappedNativeViewGLSurfaceGLX() override; |
| |
| private: |
| gfx::Size size_; |
| GLXFBConfig config_; |
| // Unmapped dummy window, used to provide a compatible surface. |
| x11::Window window_; |
| |
| // GLXDrawable for the window. |
| x11::Glx::Window glx_window_; |
| }; |
| |
| } // namespace gl |
| |
| #endif // UI_GL_GL_SURFACE_GLX_H_ |