std::unique_ptr<GLContextEGL> GLContextEGL::createContext(GLNativeWindowType window, PlatformDisplay& platformDisplay)
{
if (platformDisplay.eglDisplay() == EGL_NO_DISPLAY)
return nullptr;
if (eglBindAPI(gEGLAPIVersion) == EGL_FALSE)
return nullptr;
EGLContext eglSharingContext = platformDisplay.sharingGLContext() ? static_cast<GLContextEGL*>(platformDisplay.sharingGLContext())->m_context : EGL_NO_CONTEXT;
auto context = window ? createWindowContext(window, platformDisplay, eglSharingContext) : nullptr;
if (!context)
context = createSurfacelessContext(platformDisplay, eglSharingContext);
if (!context) {
#if PLATFORM(X11)
if (platformDisplay.type() == PlatformDisplay::Type::X11)
context = createPixmapContext(platformDisplay, eglSharingContext);
#endif
#if PLATFORM(WAYLAND)
if (platformDisplay.type() == PlatformDisplay::Type::Wayland)
context = createWaylandContext(platformDisplay, eglSharingContext);
#endif
}
if (!context)
context = createPbufferContext(platformDisplay, eglSharingContext);
return context;
}
PassOwnPtr<GLContextEGL> GLContextEGL::createContext(EGLNativeWindowType window, GLContext* sharingContext)
{
if (!sharedEGLDisplay())
return nullptr;
static bool initialized = false;
static bool success = true;
if (!initialized) {
#if !USE(OPENGL_ES_2)
success = initializeOpenGLShims();
#endif
initialized = true;
}
if (!success)
return nullptr;
EGLContext eglSharingContext = sharingContext ? static_cast<GLContextEGL*>(sharingContext)->m_context : 0;
OwnPtr<GLContextEGL> context = window ? createWindowContext(window, sharingContext) : nullptr;
if (!context)
context = createPixmapContext(eglSharingContext);
if (!context)
context = createPbufferContext(eglSharingContext);
return context.release();
}
std::unique_ptr<GLContextGLX> GLContextGLX::createSharingContext(PlatformDisplay& platformDisplay)
{
auto context = createPbufferContext(platformDisplay);
if (!context)
context = createPixmapContext(platformDisplay);
return context;
}
std::unique_ptr<GLContextGLX> GLContextGLX::createContext(XID window, PlatformDisplay& platformDisplay)
{
GLXContext glxSharingContext = platformDisplay.sharingGLContext() ? static_cast<GLContextGLX*>(platformDisplay.sharingGLContext())->m_context.get() : nullptr;
auto context = window ? createWindowContext(window, platformDisplay, glxSharingContext) : nullptr;
if (!context)
context = createPbufferContext(platformDisplay, glxSharingContext);
if (!context)
context = createPixmapContext(platformDisplay, glxSharingContext);
return context;
}
PassOwnPtr<GraphicsContext3DPrivate> GraphicsContext3DPrivate::create()
{
if (!sharedDisplay())
return nullptr;
static bool initialized = false;
static bool success = true;
if (!initialized) {
success = initializeOpenGLShims();
initialized = true;
}
if (!success)
return nullptr;
GraphicsContext3DPrivate* internal = createPbufferContext();
if (!internal)
internal = createPixmapContext();
if (!internal)
return nullptr;
// The GraphicsContext3D constructor requires that this context is the current OpenGL context.
internal->makeContextCurrent();
return adoptPtr(internal);
}
std::unique_ptr<GLContextEGL> GLContextEGL::createSharingContext(PlatformDisplay& platformDisplay)
{
if (platformDisplay.eglDisplay() == EGL_NO_DISPLAY)
return nullptr;
if (eglBindAPI(gEGLAPIVersion) == EGL_FALSE)
return nullptr;
auto context = createSurfacelessContext(platformDisplay);
if (!context) {
#if PLATFORM(X11)
if (platformDisplay.type() == PlatformDisplay::Type::X11)
context = createPixmapContext(platformDisplay);
#endif
#if PLATFORM(WAYLAND)
if (platformDisplay.type() == PlatformDisplay::Type::Wayland)
context = createWaylandContext(platformDisplay);
#endif
}
if (!context)
context = createPbufferContext(platformDisplay);
return context;
}