// Retarget the current texture to the specified surface buffer.
EGLBoolean eglBindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer) {
EGL_API_ENTRY("%p, %p, %d", dpy, surface, buffer);
EglDisplayImpl* display = EglDisplayImpl::GetDisplay(dpy);
if (display == NULL || display->IsInitialized() == false) {
SetError(EGL_BAD_DISPLAY);
return EGL_FALSE;
}
SurfacePtr s = display->GetSurfaces().Get(surface);
if (s == NULL) {
SetError(EGL_BAD_SURFACE);
return EGL_FALSE;
}
if (buffer != EGL_BACK_BUFFER) {
SetError(EGL_BAD_PARAMETER);
return EGL_FALSE;
}
if (s->GetTextureFormat() == EGL_NO_TEXTURE) {
SetError(EGL_BAD_MATCH);
return EGL_FALSE;
}
if (!(s->GetSurfaceType() & EGL_PBUFFER_BIT)) {
SetError(EGL_BAD_SURFACE);
return EGL_FALSE;
}
s->BindTexImage();
return EGL_TRUE;
}
// Get the attribute value for the specified surface.
EGLBoolean eglQuerySurface(EGLDisplay dpy, EGLSurface surface, EGLint attribute,
EGLint* value) {
EGL_API_ENTRY("%p, %p, 0x%x, %p", dpy, surface, attribute, value);
EglDisplayImpl* display = EglDisplayImpl::GetDisplay(dpy);
if (display == NULL || display->IsInitialized() == false) {
SetError(EGL_BAD_DISPLAY);
return EGL_FALSE;
}
SurfacePtr s = display->GetSurfaces().Get(surface);
if (s == NULL) {
SetError(EGL_BAD_SURFACE);
return EGL_FALSE;
}
switch (attribute) {
case EGL_CONFIG_ID:
return display->GetConfigAttribute(s->config, EGL_CONFIG_ID, value);
case EGL_WIDTH:
*value = s->GetWidth();
return EGL_TRUE;
case EGL_HEIGHT:
*value = s->GetHeight();
return EGL_TRUE;
case EGL_TEXTURE_FORMAT:
*value = s->GetTextureFormat();
return EGL_TRUE;
case EGL_TEXTURE_TARGET:
*value = s->GetTextureTarget();
return EGL_TRUE;
case EGL_SWAP_BEHAVIOR:
*value = EGL_BUFFER_DESTROYED;
return EGL_TRUE;
case EGL_LARGEST_PBUFFER:
// Not modified for a window or pixmap surface.
// Ignore it when creating a pbuffer surface.
if (s->GetSurfaceType() & EGL_PBUFFER_BIT) {
*value = EGL_FALSE;
}
return EGL_TRUE;
default:
LOG_ALWAYS_FATAL("Unsupported attribute: %x", attribute);
SetError(EGL_BAD_ATTRIBUTE);
return EGL_FALSE;
}
}