/// <summary>
/// Update the 6-sides of the cube map using a single pass via Geometry shader instancing with the provided context
/// </summary>
/// <param name="context">The context to render within</param>
/// <param name="renderScene">The method that will render the scene</param>
public void UpdateSinglePass(DeviceContext context, Action<DeviceContext, Matrix, Matrix, RenderTargetView, DepthStencilView, DynamicCubeMap> renderScene)
{
// Don't render the reflector itself
if (Reflector != null)
{
Reflector.Show = false;
}
// Prepare pipeline
context.OutputMerger.SetRenderTargets(EnvMapDSV, EnvMapRTV);
context.Rasterizer.SetViewport(Viewport);
// Prepare the view projections
Matrix[] viewProjections = new Matrix[6];
for (var i = 0; i < 6; i++)
viewProjections[i] = Matrix.Transpose(Cameras[i].View * Cameras[i].Projection);
// Update per env map buffer with the ViewProjections
context.UpdateSubresource(viewProjections, PerEnvMapBuffer);
// Assign the per environment map buffer to the GS stage at slot 4
context.GeometryShader.SetConstantBuffer(4, PerEnvMapBuffer);
// Render the scene using the view, projection, RTV and DSV
renderScene(context, Cameras[0].View, Cameras[0].Projection, EnvMapRTV, EnvMapDSV, this);
// Unbind the RTV and DSV
context.OutputMerger.ResetTargets();
// Prepare the SRV mip levels
context.GenerateMips(EnvMapSRV);
// Re-enable the Reflector renderer
if (Reflector != null)
{
Reflector.Show = true;
}
}
private void UpdateCubeFace(DeviceContext context, int index, Action<DeviceContext, Matrix, Matrix, RenderTargetView, DepthStencilView, DynamicCubeMap> renderScene)
{
// Prepare pipeline
context.ClearState();
context.OutputMerger.SetRenderTargets(EnvMapDSVs[index], EnvMapRTVs[index]);
context.Rasterizer.SetViewport(Viewport);
// Render the scene using the view, projection, RTV and DSV of this cube face
renderScene(context, Cameras[index].View, Cameras[index].Projection, EnvMapRTVs[index], EnvMapDSVs[index], this);
// Unbind the RTV and DSV
context.OutputMerger.ResetTargets();
// Prepare the SRV mip levels
context.GenerateMips(EnvMapSRV);
}
/// <summary>
/// Update the 6-sides of the cube map using a single pass via Geometry shader instancing with the provided context
/// </summary>
/// <param name="context">The context to render within</param>
/// <param name="renderScene">The method that will render the scene</param>
public void UpdateSinglePass(DeviceContext context, Action<DeviceContext, Matrix, Matrix, RenderTargetView, DepthStencilView, DualParaboloidMap> renderScene)
{
// Don't render the reflector itself
if (Reflector != null)
{
Reflector.Show = false;
}
// Prepare pipeline
context.OutputMerger.SetRenderTargets(EnvMapDSV, EnvMapRTV);
context.Rasterizer.SetViewport(Viewport);
// Update perCubeMap with the ViewProjections
PerEnvMap pem = this.DualMapView;
pem.View.Transpose(); // Must transpose the matrix for HLSL
context.UpdateSubresource(ref pem, PerEnvMapBuffer);
// Assign the per dual map buffer to the VS and PS stages at slot 4
context.VertexShader.SetConstantBuffer(4, PerEnvMapBuffer);
context.PixelShader.SetConstantBuffer(4, PerEnvMapBuffer);
// Render the scene using the view, projection, RTV and DSV
// Note that we use an identity matrix for the projection!
renderScene(context, this.DualMapView.View, Matrix.Identity, EnvMapRTV, EnvMapDSV, this);
// Unbind the RTV and DSV
context.OutputMerger.ResetTargets();
// Prepare the SRV mip levels
context.GenerateMips(EnvMapSRV);
// Re-enable the Reflector renderer
if (Reflector != null)
{
Reflector.Show = true;
}
}