| // |
| // Copyright 2015 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| // DisplayGLX.h: GLX implementation of egl::Display |
| |
| #ifndef LIBANGLE_RENDERER_GL_GLX_DISPLAYGLX_H_ |
| #define LIBANGLE_RENDERER_GL_GLX_DISPLAYGLX_H_ |
| |
| #include <string> |
| #include <thread> |
| #include <vector> |
| |
| #include "common/Optional.h" |
| #include "libANGLE/renderer/gl/DisplayGL.h" |
| #include "libANGLE/renderer/gl/RendererGL.h" |
| #include "libANGLE/renderer/gl/glx/FunctionsGLX.h" |
| |
| namespace rx |
| { |
| |
| class FunctionsGLX; |
| class WorkerContext; |
| |
| struct SwapControlData; |
| |
| class DisplayGLX : public DisplayGL |
| { |
| public: |
| DisplayGLX(const egl::DisplayState &state); |
| ~DisplayGLX() override; |
| |
| egl::Error initialize(egl::Display *display) override; |
| void terminate() override; |
| |
| egl::Error makeCurrent(egl::Display *display, |
| egl::Surface *drawSurface, |
| egl::Surface *readSurface, |
| gl::Context *context) override; |
| |
| SurfaceImpl *createWindowSurface(const egl::SurfaceState &state, |
| EGLNativeWindowType window, |
| const egl::AttributeMap &attribs) override; |
| SurfaceImpl *createPbufferSurface(const egl::SurfaceState &state, |
| const egl::AttributeMap &attribs) override; |
| SurfaceImpl *createPbufferFromClientBuffer(const egl::SurfaceState &state, |
| EGLenum buftype, |
| EGLClientBuffer clientBuffer, |
| const egl::AttributeMap &attribs) override; |
| SurfaceImpl *createPixmapSurface(const egl::SurfaceState &state, |
| NativePixmapType nativePixmap, |
| const egl::AttributeMap &attribs) override; |
| |
| egl::Error validatePixmap(const egl::Config *config, |
| EGLNativePixmapType pixmap, |
| const egl::AttributeMap &attributes) const override; |
| |
| ContextImpl *createContext(const gl::State &state, |
| gl::ErrorSet *errorSet, |
| const egl::Config *configuration, |
| const gl::Context *shareContext, |
| const egl::AttributeMap &attribs) override; |
| |
| egl::ConfigSet generateConfigs() override; |
| |
| bool testDeviceLost() override; |
| egl::Error restoreLostDevice(const egl::Display *display) override; |
| |
| bool isValidNativeWindow(EGLNativeWindowType window) const override; |
| |
| egl::Error waitClient(const gl::Context *context) override; |
| egl::Error waitNative(const gl::Context *context, EGLint engine) override; |
| |
| gl::Version getMaxSupportedESVersion() const override; |
| |
| // Synchronizes with the X server. |
| // Calling this is required at the end of every functions that does buffered |
| // X calls (not for glX calls) otherwise there might be race conditions |
| // between the application's display and ANGLE's one. |
| // Calling this only syncs if ANGLE opened the display, or if alwaysSync |
| // is true. |
| void syncXCommands(bool alwaysSync) const; |
| |
| // Depending on the supported GLX extension, swap interval can be set |
| // globally or per drawable. This function will make sure the drawable's |
| // swap interval is the one required so that the subsequent swapBuffers |
| // acts as expected. |
| void setSwapInterval(glx::Drawable drawable, SwapControlData *data); |
| |
| bool isWindowVisualIdSpecified() const; |
| bool isMatchingWindowVisualId(unsigned long visualId) const; |
| |
| WorkerContext *createWorkerContext(std::string *infoLog); |
| |
| void initializeFrontendFeatures(angle::FrontendFeatures *features) const override; |
| |
| void populateFeatureList(angle::FeatureList *features) override; |
| |
| RendererGL *getRenderer() const override; |
| |
| private: |
| egl::Error initializeContext(glx::FBConfig config, |
| const egl::AttributeMap &eglAttributes, |
| glx::Context *context); |
| |
| void generateExtensions(egl::DisplayExtensions *outExtensions) const override; |
| void generateCaps(egl::Caps *outCaps) const override; |
| |
| egl::Error makeCurrentSurfaceless(gl::Context *context) override; |
| |
| int getGLXFBConfigAttrib(glx::FBConfig config, int attrib) const; |
| egl::Error createContextAttribs(glx::FBConfig, |
| const Optional<gl::Version> &version, |
| int profileMask, |
| glx::Context *context); |
| |
| std::shared_ptr<RendererGL> mRenderer; |
| |
| std::map<int, glx::FBConfig> configIdToGLXConfig; |
| |
| EGLint mRequestedVisual; |
| glx::FBConfig mContextConfig; |
| std::vector<int> mAttribs; |
| XVisualInfo *mVisuals; |
| glx::Context mContext; |
| glx::Context mSharedContext; |
| angle::HashMap<std::thread::id, glx::Context> mCurrentNativeContexts; |
| |
| // A pbuffer the context is current on during ANGLE initialization |
| glx::Pbuffer mInitPbuffer; |
| |
| std::vector<glx::Pbuffer> mWorkerPbufferPool; |
| |
| bool mUsesNewXDisplay; |
| bool mIsMesa; |
| bool mHasMultisample; |
| bool mHasARBCreateContext; |
| bool mHasARBCreateContextProfile; |
| bool mHasARBCreateContextRobustness; |
| bool mHasEXTCreateContextES2Profile; |
| bool mHasNVRobustnessVideoMemoryPurge; |
| |
| enum class SwapControl |
| { |
| Absent, |
| EXT, |
| Mesa, |
| SGI, |
| }; |
| SwapControl mSwapControl; |
| int mMinSwapInterval; |
| int mMaxSwapInterval; |
| int mCurrentSwapInterval; |
| |
| glx::Drawable mCurrentDrawable; |
| |
| FunctionsGLX mGLX; |
| Display *mXDisplay; |
| egl::Display *mEGLDisplay; |
| }; |
| |
| } // namespace rx |
| |
| #endif // LIBANGLE_RENDERER_GL_GLX_DISPLAYGLX_H_ |