private bool RenderSceneToTexture()
{
// 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);
// Get the world matrix from the d3d object.
Matrix worldMatrix = D3D.WorldMatrix;
// Generate the light view matrix based on the light's position.
Light.GenerateViewMatrix();
// Get the view and orthographic matrices from the light object.
Matrix lightViewMatrix = Light.ViewMatrix;
Matrix lightOrthoMatrix = Light.OrthoMatrix;
// Translate to the position of the tree.
Vector3 treePosition = TreeModel.GetPosition();
Matrix.Translation(treePosition.X, treePosition.Y, treePosition.Z, out worldMatrix);
// Render the tree trunk with the depth shader.
TreeModel.RenderTrunk(D3D.DeviceContext);
if (!DepthShader.Render(D3D.DeviceContext, TreeModel.TrunkIndexCount, worldMatrix, lightViewMatrix, lightOrthoMatrix))
{
return(false);
}
// Render the tree leaves using the depth transparency shader.
TreeModel.RenderLeaves(D3D.DeviceContext);
if (!TransparentDepthShader.Render(D3D.DeviceContext, TreeModel.LeafIndexCount, worldMatrix, lightViewMatrix, lightOrthoMatrix, TreeModel.LeafTexture.TextureResource))
{
return(false);
}
// Reset the world matrix.
worldMatrix = D3D.WorldMatrix;
// Translate to the position of the ground model.
Vector3 groundPosition = GroundModel.GetPosition();
Matrix.Translation(groundPosition.X, groundPosition.Y, groundPosition.Z, out worldMatrix);
// Render the ground model with the depth shader.
GroundModel.Render(D3D.DeviceContext);
if (!DepthShader.Render(D3D.DeviceContext, GroundModel.IndexCount, worldMatrix, lightViewMatrix, lightOrthoMatrix))
{
return(false);
}
// 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);
}
public void ShutDown()
{
DPerfLogger.ShutDown();
// Release the light object.
Light = null;
// Release the position object.
Position = null;
// Release the timer object.
Timer = null;
// Release the camera object.
Camera = null;
// Release the shadow shader object.
ShadowShader?.ShutDown();
ShadowShader = null;
// Release the transparent depth shader object.
TransparentDepthShader?.ShutDown();
TransparentDepthShader = null;
// Release the depth shader object.
DepthShader?.ShutDown();
DepthShader = null;
// Release the render to texture object.
RenderTexture?.Shutdown();
RenderTexture = null;
// Release the tree object.
TreeModel?.Shutdown();
TreeModel = null;
// Release the model object.
GroundModel?.Shutdown();
GroundModel = null;
// Release the input object.
Input?.Shutdown();
Input = null;
// Release the Direct3D object.
D3D?.ShutDown();
D3D = null;
}