void OnEnable() // No OnEnable() default init.... delayed only
{
_CreateAssetResources();
_usingURP = RenderUtils.IsUsingURP();
if (_camera == null)
{
Fail(nameof(_camera));
}
if (_renderFeature == null && _usingURP)
{
Fail(nameof(_renderFeature));
}
_cmd = RenderUtils.GetCommandBuffer(CommandBufferTag);
if (_usingURP)
{
_renderFeature.commandBuffer = _cmd;
}
else
{
_camera.AddCommandBuffer(CameraEvent.AfterEverything, _cmd);
}
ImGuiUn.SetUnityContext(_context);
ImGuiIOPtr io = ImGui.GetIO();
_initialConfiguration.ApplyTo(io);
_style?.ApplyTo(ImGui.GetStyle());
_context.textures.BuildFontAtlas(io, _fontAtlasConfiguration);
_context.textures.Initialize(io);
SetPlatform(Platform.Create(_platformType, _cursorShapes, _iniSettings), io);
SetRenderer(RenderUtils.Create(_rendererType, _shaders, _context.textures), io);
if (_platform == null)
{
Fail(nameof(_platform));
}
if (_renderer == null)
{
Fail(nameof(_renderer));
}
//_AddFonts();
void Fail(string reason)
{
OnDisable();
enabled = false;
throw new System.Exception($"Failed to start: {reason}");
}
}
void OnDisable()
{
ImGuiUn.SetUnityContext(_context);
ImGuiIOPtr io = ImGui.GetIO();
SetRenderer(null, io);
SetPlatform(null, io);
ImGuiUn.SetUnityContext(null);
_context.textures.Shutdown();
_context.textures.DestroyFontAtlas(io);
#if HAS_HDRP
_usingHDRP = RenderUtils.IsUsingHDRP();
if (_usingHDRP)
{
// I know... I know... using a goto, but in this instance it makes things a lot cleaner
// due to the preprocessor directives and how unity has grouped things.
goto PostCommandBufferTeardown;
}
#endif
if (_usingURP)
{
if (_renderFeature != null)
{
_renderFeature.commandBuffer = null;
}
}
else
{
if (_camera != null)
{
_camera.RemoveCommandBuffer(CameraEvent.AfterEverything, _cmd);
}
}
PostCommandBufferTeardown:
if (_cmd != null)
{
RenderUtils.ReleaseCommandBuffer(_cmd);
}
_cmd = null;
}
void OnEnable()
{
_usingURP = RenderUtils.IsUsingURP();
if (_camera == null)
{
Fail(nameof(_camera));
}
if (_renderFeature == null && _usingURP)
{
Fail(nameof(_renderFeature));
}
_cmd = RenderUtils.GetCommandBuffer(CommandBufferTag);
#if HAS_HDRP
_usingHDRP = RenderUtils.IsUsingHDRP();
if (_usingHDRP)
{
// I know... I know... using a goto, but in this instance it makes things a lot cleaner
// due to the preprocessor directives and how unity has grouped things.
goto PostCommandBufferSetup;
}
#endif
if (_usingURP)
{
_renderFeature.commandBuffer = _cmd;
}
else
{
_camera.AddCommandBuffer(CameraEvent.AfterEverything, _cmd);
}
PostCommandBufferSetup:
ImGuiUn.SetUnityContext(_context);
ImGuiIOPtr io = ImGui.GetIO();
_initialConfiguration.ApplyTo(io);
_style?.ApplyTo(ImGui.GetStyle());
_context.textures.BuildFontAtlas(io, _fontAtlasConfiguration);
_context.textures.Initialize(io);
SetPlatform(Platform.Create(_platformType, _cursorShapes, _iniSettings), io);
SetRenderer(RenderUtils.Create(_rendererType, _shaders, _context.textures), io);
if (_platform == null)
{
Fail(nameof(_platform));
}
if (_renderer == null)
{
Fail(nameof(_renderer));
}
void Fail(string reason)
{
OnDisable();
enabled = false;
throw new System.Exception($"Failed to start: {reason}");
}
}
