SurfaceOpenVG* EGLDisplayOpenVG::sharedPlatformSurface()
{
if (!m_sharedPlatformSurface) {
// The shared surface doesn't need to be drawn on, it just exists so
// that we can always make the shared context current (which in turn is
// the owner of long-living resources such as images, paths and fonts).
// We'll just make the shared surface as small as possible: 1x1 pixel.
EGLConfig config = defaultPbufferConfig();
EGLSurface surface = createPbufferSurface(IntSize(1, 1), config);
EGLContext context = eglCreateContext(m_display, config, EGL_NO_CONTEXT, 0);
ASSERT_EGL_NO_ERROR();
m_contexts.set(m_surfaceConfigIds.get(surface), context);
m_sharedPlatformSurface = SurfaceOpenVG::adoptExistingSurface(
m_display, surface, context, SurfaceOpenVG::TakeSurfaceOwnership, EGL_PBUFFER_BIT);
}
return m_sharedPlatformSurface;
}
SurfaceOpenVG* EGLDisplayOpenVG::sharedPlatformSurface()
{
if (!m_sharedPlatformSurface) {
// The shared surface doesn't need to be drawn on, it just exists so
// that we can always make the shared context current (which in turn is
// the owner of long-living resources such as images, paths and fonts).
// We'll just make the shared surface as small as possible: 1x1 pixel.
EGLConfig config = defaultPbufferConfig();
EGLSurface surface = createPbufferSurface(IntSize(1, 1), config);
EGLContext context = eglCreateContext(m_display, config, EGL_NO_CONTEXT, 0);
ASSERT_EGL_NO_ERROR();
m_contexts.set(m_surfaceConfigIds.get(surface), context);
m_sharedPlatformSurface = new SurfaceOpenVG;
m_sharedPlatformSurface->m_eglDisplay = m_display;
m_sharedPlatformSurface->m_eglSurface = surface;
m_sharedPlatformSurface->m_eglContext = context;
m_platformSurfaces.set(surface, m_sharedPlatformSurface); // a.k.a. registerPlatformSurface()
}
return m_sharedPlatformSurface;
}
