public bool SetHWRender(ref retro_hw_render_callback hwRenderCallback)
{
if (_hwRenderer != null)
{
_hwRenderer.Destroy();
}
_glRenderContext = new DxTextureRenderContext(_device);
_hwRenderer = new GLHardwareRenderer(new DefaultRenderStrategy(), _glRenderContext);
if (!_maxSize.IsEmpty)
{
_hwRenderer.SetDimensions(_maxSize.Width, _maxSize.Height);
}
return(_hwRenderer.SetHWRender(ref hwRenderCallback));
}
public bool SetHWRender(ref retro_hw_render_callback hwRenderCallback)
{
if (_deviceContext != null)
{
return(false);
}
_deviceContext = DeviceContext.Create();
// Try and create an openGl context using the attributes specified in the callback
_glContext = GlContext.TryCreate(_deviceContext, (int)hwRenderCallback.version_major, (int)hwRenderCallback.version_minor,
(retro_hw_context_type)hwRenderCallback.context_type, hwRenderCallback.debug_context);
// Creation might fail if the system doesn't
// support the requested attributes
if (_glContext == null)
{
return(false);
}
// ToDo: Some cores seem to need a separate shared context
// but can't get it to work yet...
if (_haveSharedContext)
{
_sharedGlContext = _glContext.CreateSharedContext();
}
// Render context that the libretro core will render to, contains a texture buffer and an optional depth/stencil buffer.
_libretroContext = new LibretroRenderContext(hwRenderCallback.depth, hwRenderCallback.stencil, hwRenderCallback.bottom_left_origin);
// Get the libretro core callbacks
_contextResetDlgt = hwRenderCallback.context_reset != IntPtr.Zero ?
Marshal.GetDelegateForFunctionPointer <retro_hw_context_reset_t>(hwRenderCallback.context_reset) : null;
_contextDestroyDlgt = hwRenderCallback.context_destroy != IntPtr.Zero ?
Marshal.GetDelegateForFunctionPointer <retro_hw_context_reset_t>(hwRenderCallback.context_destroy) : null;
// Pass the opengl callbacks back to the core
hwRenderCallback.get_proc_address = Marshal.GetFunctionPointerForDelegate(_getProcAddressDelegate);
hwRenderCallback.get_current_framebuffer = Marshal.GetFunctionPointerForDelegate(_getCurrentFramebufferDlgt);
return(true);
}
