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| ****************************************************************************/ |
| |
| #ifndef QWINDOWSEGLCONTEXT_H |
| #define QWINDOWSEGLCONTEXT_H |
| |
| #include "qwindowsopenglcontext.h" |
| #include "qwindowsopengltester.h" |
| #include <EGL/egl.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| struct QWindowsLibEGL |
| { |
| bool init(); |
| |
| EGLint (EGLAPIENTRY * eglGetError)(void); |
| EGLDisplay (EGLAPIENTRY * eglGetDisplay)(EGLNativeDisplayType display_id); |
| EGLBoolean (EGLAPIENTRY * eglInitialize)(EGLDisplay dpy, EGLint *major, EGLint *minor); |
| EGLBoolean (EGLAPIENTRY * eglTerminate)(EGLDisplay dpy); |
| EGLBoolean (EGLAPIENTRY * eglChooseConfig)(EGLDisplay dpy, const EGLint *attrib_list, |
| EGLConfig *configs, EGLint config_size, |
| EGLint *num_config); |
| EGLBoolean (EGLAPIENTRY * eglGetConfigAttrib)(EGLDisplay dpy, EGLConfig config, |
| EGLint attribute, EGLint *value); |
| EGLSurface (EGLAPIENTRY * eglCreateWindowSurface)(EGLDisplay dpy, EGLConfig config, |
| EGLNativeWindowType win, |
| const EGLint *attrib_list); |
| EGLSurface (EGLAPIENTRY * eglCreatePbufferSurface)(EGLDisplay dpy, EGLConfig config, |
| const EGLint *attrib_list); |
| EGLBoolean (EGLAPIENTRY * eglDestroySurface)(EGLDisplay dpy, EGLSurface surface); |
| EGLBoolean (EGLAPIENTRY * eglBindAPI)(EGLenum api); |
| EGLBoolean (EGLAPIENTRY * eglSwapInterval)(EGLDisplay dpy, EGLint interval); |
| EGLContext (EGLAPIENTRY * eglCreateContext)(EGLDisplay dpy, EGLConfig config, |
| EGLContext share_context, |
| const EGLint *attrib_list); |
| EGLBoolean (EGLAPIENTRY * eglDestroyContext)(EGLDisplay dpy, EGLContext ctx); |
| EGLBoolean (EGLAPIENTRY * eglMakeCurrent)(EGLDisplay dpy, EGLSurface draw, |
| EGLSurface read, EGLContext ctx); |
| EGLContext (EGLAPIENTRY * eglGetCurrentContext)(void); |
| EGLSurface (EGLAPIENTRY * eglGetCurrentSurface)(EGLint readdraw); |
| EGLDisplay (EGLAPIENTRY * eglGetCurrentDisplay)(void); |
| EGLBoolean (EGLAPIENTRY * eglSwapBuffers)(EGLDisplay dpy, EGLSurface surface); |
| QFunctionPointer (EGLAPIENTRY *eglGetProcAddress)(const char *procname); |
| |
| EGLDisplay (EGLAPIENTRY * eglGetPlatformDisplayEXT)(EGLenum platform, void *native_display, const EGLint *attrib_list); |
| |
| private: |
| #if !defined(QT_STATIC) || defined(QT_OPENGL_DYNAMIC) |
| void *resolve(const char *name); |
| HMODULE m_lib; |
| #endif |
| }; |
| |
| struct QWindowsLibGLESv2 |
| { |
| bool init(); |
| |
| #if !defined(QT_STATIC) || defined(QT_OPENGL_DYNAMIC) |
| void *moduleHandle() const { return m_lib; } |
| #else |
| void *moduleHandle() const { return nullptr; } |
| #endif |
| |
| const GLubyte * (APIENTRY * glGetString)(GLenum name); |
| |
| #if !defined(QT_STATIC) || defined(QT_OPENGL_DYNAMIC) |
| void *resolve(const char *name); |
| private: |
| HMODULE m_lib; |
| #endif |
| }; |
| |
| class QWindowsEGLStaticContext : public QWindowsStaticOpenGLContext |
| { |
| Q_DISABLE_COPY_MOVE(QWindowsEGLStaticContext) |
| |
| public: |
| static QWindowsEGLStaticContext *create(QWindowsOpenGLTester::Renderers preferredType); |
| ~QWindowsEGLStaticContext() override; |
| |
| EGLDisplay display() const { return m_display; } |
| |
| QWindowsOpenGLContext *createContext(QOpenGLContext *context) override; |
| void *moduleHandle() const override { return libGLESv2.moduleHandle(); } |
| QOpenGLContext::OpenGLModuleType moduleType() const override { return QOpenGLContext::LibGLES; } |
| |
| void *createWindowSurface(void *nativeWindow, void *nativeConfig, int *err) override; |
| void destroyWindowSurface(void *nativeSurface) override; |
| |
| QSurfaceFormat formatFromConfig(EGLDisplay display, EGLConfig config, const QSurfaceFormat &referenceFormat); |
| |
| static QWindowsLibEGL libEGL; |
| static QWindowsLibGLESv2 libGLESv2; |
| |
| private: |
| explicit QWindowsEGLStaticContext(EGLDisplay display); |
| static bool initializeAngle(QWindowsOpenGLTester::Renderers preferredType, HDC dc, |
| EGLDisplay *display, EGLint *major, EGLint *minor); |
| |
| const EGLDisplay m_display; |
| }; |
| |
| class QWindowsEGLContext : public QWindowsOpenGLContext |
| { |
| public: |
| QWindowsEGLContext(QWindowsEGLStaticContext *staticContext, |
| const QSurfaceFormat &format, |
| QPlatformOpenGLContext *share); |
| ~QWindowsEGLContext() override; |
| |
| bool makeCurrent(QPlatformSurface *surface) override; |
| void doneCurrent() override; |
| void swapBuffers(QPlatformSurface *surface) override; |
| QFunctionPointer getProcAddress(const char *procName) override; |
| |
| QSurfaceFormat format() const override { return m_format; } |
| bool isSharing() const override { return m_shareContext != EGL_NO_CONTEXT; } |
| bool isValid() const override { return m_eglContext != EGL_NO_CONTEXT; } |
| |
| void *nativeContext() const override { return m_eglContext; } |
| void *nativeDisplay() const override { return m_eglDisplay; } |
| void *nativeConfig() const override { return m_eglConfig; } |
| |
| private: |
| EGLConfig chooseConfig(const QSurfaceFormat &format); |
| |
| QWindowsEGLStaticContext *m_staticContext; |
| EGLContext m_eglContext; |
| EGLContext m_shareContext; |
| EGLDisplay m_eglDisplay; |
| EGLConfig m_eglConfig; |
| QSurfaceFormat m_format; |
| EGLenum m_api = EGL_OPENGL_ES_API; |
| int m_swapInterval = -1; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QWINDOWSEGLCONTEXT_H |