public void Shutdown()
{
// Release the camera object.
Camera = null;
// Release the glow shader object.
GlowShader?.ShutDown();
GlowShader = null;
// Release the glow map shader object.
GlowMapShader?.ShutDown();
GlowMapShader = null;
// Release the full screen ortho window object.
FullScreenWindow?.Shutdown();
FullScreenWindow = null;
// Release the small ortho window object.
SmallWindow?.Shutdown();
SmallWindow = null;
// Release the up sample render to texture object.
UpSampleTexure?.Shutdown();
UpSampleTexure = null;
// Release the vertical blur render to texture object.
VerticalBlurTexture?.Shutdown();
VerticalBlurTexture = null;
// Release the vertical blur shader object.
VerticalBlurShader?.ShutDown();
VerticalBlurShader = null;
// Release the horizontal blur render to texture object.
HorizontalBlurTexture?.Shutdown();
HorizontalBlurTexture = null;
// Release the horizontal blur shader object.
HorizontalBlurShader?.ShutDown();
HorizontalBlurShader = null;
// Release the small ortho window object.
SmallWindow?.Shutdown();
SmallWindow = null;
// Release the down sample render to texture object.
DownSampleTexture?.Shutdown();
DownSampleTexture = null;
// Release the render to texture object.
RenderTexture?.Shutdown();
RenderTexture = null;
// Release the model object.
BitMap?.Shutdown();
BitMap = null;
// Release the texture shader object.
TextureShader?.ShutDown();
TextureShader = null;
// Release the Direct3D object.
D3D?.ShutDown();
D3D = null;
}
private bool RenderGlowMapToTexture()
{
// Set the render target to be the render to texture.
RenderTexture.SetRenderTarget(D3D.DeviceContext);
// Clear the render to texture.
RenderTexture.ClearRenderTarget(D3D.DeviceContext, 0.0f, 0.0f, 0.0f, 1.0f);
// Generate the view matrix based on the camera's position.
Camera.Render();
// Get the world, view, and projection matrices from the camera and d3d objects.
Matrix worldMatrix = D3D.WorldMatrix;
Matrix viewMatrix = Camera.ViewMatrix;
Matrix orthoMatrix = D3D.OrthoMatrix;
// Turn off the Z buffer to begin all 2D rendering.
D3D.TurnZBufferOff();
// Put the bitmap vertex and index buffers on the graphics pipeline to prepare them for drawing.
if (!BitMap.Render(D3D.DeviceContext, 100, 100))
{
return(false);
}
// Render the bitmap using the glow map shader.
if (!GlowMapShader.Render(D3D.DeviceContext, BitMap.IndexCount, worldMatrix, viewMatrix, orthoMatrix, BitMap.Texture.TextureResource, BitMap.GlowMapTexture.TextureResource))
{
return(false);
}
// Turn the Z buffer back on now that all 2D rendering has completed.
D3D.TurnZBufferOn();
// Reset the render target back to the original back buffer and not the render to texture anymore.
D3D.SetBackBufferRenderTarget();
// Reset the viewport back to the original.
D3D.ResetViewPort();
return(true);
}
