private bool RenderSceneToTexture2()
{
// Set the render target to be the render to texture.
RenderTexture2.SetRenderTarget(D3D.DeviceContext);
// Clear the render to texture.
RenderTexture2.ClearRenderTarget(D3D.DeviceContext, 0.0f, 0.0f, 0.0f, 1.0f);
// Generate the light view matrix based on the light's position.
Light2.GenerateViewMatrix();
// Get the world matrix from the d3d object.
Matrix worldMareix = D3D.WorldMatrix;
// Get the view and orthographic matrices from the light object.
Matrix lightViewMatrix = Light2.ViewMatrix;
Matrix lightOrthoMatrix = Light2.ProjectionMatrix;
// Setup the translation matrix for the cube model.
Vector3 cubePosition = CubeModel.GetPosition();
Matrix.Translation(cubePosition.X, cubePosition.Y, cubePosition.Z, out worldMareix);
// Render the cube model with the depth shader.
CubeModel.Render(D3D.DeviceContext);
if (!DepthShader.Render(D3D.DeviceContext, CubeModel.IndexCount, worldMareix, lightViewMatrix, lightOrthoMatrix))
{
return(false);
}
// Reset the world matrix.
worldMareix = D3D.WorldMatrix;
// Setup the translation matrix for the sphere model.
Vector3 spherePosition = SphereModel.GetPosition();
Matrix.Translation(spherePosition.X, spherePosition.Y, spherePosition.Z, out worldMareix);
// Render the sphere model with the depth shader.
SphereModel.Render(D3D.DeviceContext);
if (!DepthShader.Render(D3D.DeviceContext, SphereModel.IndexCount, worldMareix, lightViewMatrix, lightOrthoMatrix))
{
return(false);
}
// Reset the world matrix.
worldMareix = D3D.WorldMatrix;
// Setup the translation matrix for the ground model.
Vector3 groundPosition = GroundModel.GetPosition();
Matrix.Translation(groundPosition.X, groundPosition.Y, groundPosition.Z, out worldMareix);
// Render the ground model with the depth shader.
GroundModel.Render(D3D.DeviceContext);
if (!DepthShader.Render(D3D.DeviceContext, GroundModel.IndexCount, worldMareix, 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);
}
private bool RenderBlackAndWhiteShadows()
{
// Set the render target to be the render to texture.
BlackWhiteRenderTexture.SetRenderTarget(D3D.DeviceContext);
// Clear the render to texture.
BlackWhiteRenderTexture.ClearRenderTarget(D3D.DeviceContext, 0.0f, 0.0f, 0.0f, 1.0f);
// Generate the view matrix based on the camera's position.
Camera.Render();
// Generate the light view matrix based on the light's position.
Light.GenerateViewMatrix();
// Get the world, view, and projection matrices from the camera and d3d objects.
Matrix cameraViewMatrix = Camera.ViewMatrix;
Matrix worldMatrix = D3D.WorldMatrix;
Matrix projectionMatrix = D3D.ProjectionMatrix;
// Get the light's view and projection matrices from the light object.
Matrix lightViewMatrix = Light.ViewMatrix;
Matrix lightProjectionMatrix = Light.ProjectionMatrix;
// Setup the translation matrix for the cube model.
Vector3 cubePosition = CubeModel.GetPosition();
Matrix.Translation(cubePosition.X, cubePosition.Y, cubePosition.Z, out worldMatrix);
// Render the cube model using the shadow shader.
CubeModel.Render(D3D.DeviceContext);
if (!ShadowShader.Render(D3D.DeviceContext, CubeModel.IndexCount, worldMatrix, cameraViewMatrix, projectionMatrix, lightViewMatrix, lightProjectionMatrix, RenderTexture.ShaderResourceView, Light.Position))
{
return(false);
}
// Reset the world matrix.
worldMatrix = D3D.WorldMatrix;
// Setup the translation matrix for the sphere model.
Vector3 spherePosition = SphereModel.GetPosition();
Matrix.Translation(spherePosition.X, spherePosition.Y, spherePosition.Z, out worldMatrix);
// Render the sphere model using the shadow shader.
SphereModel.Render(D3D.DeviceContext);
if (!ShadowShader.Render(D3D.DeviceContext, SphereModel.IndexCount, worldMatrix, cameraViewMatrix, projectionMatrix, lightViewMatrix, lightProjectionMatrix, RenderTexture.ShaderResourceView, Light.Position))
{
return(false);
}
// Reset the world matrix.
worldMatrix = D3D.WorldMatrix;
// Setup the translation matrix for the ground model.
Vector3 groundPosition = GroundModel.GetPosition();
Matrix.Translation(groundPosition.X, groundPosition.Y, groundPosition.Z, out worldMatrix);
// Render the ground model using the shadow shader.
GroundModel.Render(D3D.DeviceContext);
if (!ShadowShader.Render(D3D.DeviceContext, SphereModel.IndexCount, worldMatrix, cameraViewMatrix, projectionMatrix, lightViewMatrix, lightProjectionMatrix, RenderTexture.ShaderResourceView, Light.Position))
{
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 bool Render()
{
// First render the scene to a texture.
if (!RenderSceneToTexture())
{
return(false);
}
// Render the scene to texture again but use the second light's view point.
if (!RenderSceneToTexture2())
{
return(false);
}
// Clear the buffers to begin the scene.
D3D.BeginScene(0.0f, 0.0f, 0.0f, 1.0f);
// Generate the view matrix based on the camera's position.
Camera.Render();
// Generate the light view matrix based on the light's position.
Light.GenerateViewMatrix();
// Do the same for the second light.
Light2.GenerateViewMatrix();
// Get the world, view, and projection matrices from the camera and d3d objects.
Matrix viewMatrix = Camera.ViewMatrix;
Matrix worldMatrix = D3D.WorldMatrix;
Matrix projectionMatrix = D3D.ProjectionMatrix;
// Get the light's view and projection matrices from the light object.
Matrix lightViewMatrix = Light.ViewMatrix;
Matrix lightProjectionMatrix = Light.ProjectionMatrix;
// Do the same for the second light.
Matrix lightViewMatrix2 = Light2.ViewMatrix;
Matrix lightProjectionMatrix2 = Light2.ProjectionMatrix;
// Setup the translation matrix for the cube model.
Vector3 cubePosition = CubeModel.GetPosition();
Matrix.Translation(cubePosition.X, cubePosition.Y, cubePosition.Z, out worldMatrix);
// Put the cube model vertex and index buffers on the graphics pipeline to prepare them for drawing.
CubeModel.Render(D3D.DeviceContext);
// Render the model using the shadow shader.
if (!ShadowShader.Render(D3D.DeviceContext, CubeModel.IndexCount, worldMatrix, viewMatrix, projectionMatrix, lightViewMatrix, lightProjectionMatrix, CubeModel.Texture.TextureResource, RenderTexture.ShaderResourceView, Light.Position, Light.AmbientColor, Light.DiffuseColour, lightViewMatrix2, lightProjectionMatrix2, RenderTexture2.ShaderResourceView, Light2.Position, Light2.DiffuseColour))
{
return(false);
}
// Reset the world matrix.
worldMatrix = D3D.WorldMatrix;
// Setup the translation matrix for the sphere model.
Vector3 spherePosition = SphereModel.GetPosition();
Matrix.Translation(spherePosition.X, spherePosition.Y, spherePosition.Z, out worldMatrix);
// Put the model vertex and index buffers on the graphics pipeline to prepare them for drawing.
SphereModel.Render(D3D.DeviceContext);
if (!ShadowShader.Render(D3D.DeviceContext, SphereModel.IndexCount, worldMatrix, viewMatrix, projectionMatrix, lightViewMatrix, lightProjectionMatrix, SphereModel.Texture.TextureResource, RenderTexture.ShaderResourceView, Light.Position, Light.AmbientColor, Light.DiffuseColour, lightViewMatrix2, lightProjectionMatrix2, RenderTexture2.ShaderResourceView, Light2.Position, Light2.DiffuseColour))
{
return(false);
}
// Reset the world matrix.
worldMatrix = D3D.WorldMatrix;
// Setup the translation matrix for the ground model.
Vector3 groundPosition = GroundModel.GetPosition();
Matrix.Translation(groundPosition.X, groundPosition.Y, groundPosition.Z, out worldMatrix);
// Render the ground model using the shadow shader.
GroundModel.Render(D3D.DeviceContext);
if (!ShadowShader.Render(D3D.DeviceContext, GroundModel.IndexCount, worldMatrix, viewMatrix, projectionMatrix, lightViewMatrix, lightProjectionMatrix, GroundModel.Texture.TextureResource, RenderTexture.ShaderResourceView, Light.Position, Light.AmbientColor, Light.DiffuseColour, lightViewMatrix2, lightProjectionMatrix2, RenderTexture2.ShaderResourceView, Light2.Position, Light2.DiffuseColour))
{
return(false);
}
// Present the rendered scene to the screen.
D3D.EndScene();
return(true);
}
public bool Render()
{
// First render the scene to a texture.
if (!RenderSceneToTexture())
{
return(false);
}
// Next render the shadowed scene in black and white.
if (!RenderBlackAndWhiteShadows())
{
return(false);
}
// Then down sample the black and white scene texture.
if (!DownSampleTexture())
{
return(false);
}
// Perform a horizontal blur on the down sampled texture.
if (!RenderHorizontalBlurToTexture())
{
return(false);
}
// Now perform a vertical blur on the texture.
if (!RenderVerticalBlurToTexture())
{
return(false);
}
// Finally up sample the final blurred render to texture that can now be used in the soft shadow shader.
if (!UpSampleTexture())
{
return(false);
}
// Clear the buffers to begin the scene.
D3D.BeginScene(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 viewMatrix = Camera.ViewMatrix;
Matrix worldMatrix = D3D.WorldMatrix;
Matrix projectionMatrix = D3D.ProjectionMatrix;
// Setup the translation matrix for the cube model.
Vector3 cubePosition = CubeModel.GetPosition();
Matrix.Translation(cubePosition.X, cubePosition.Y, cubePosition.Z, out worldMatrix);
// Render the cube model using the soft shadow shader.
CubeModel.Render(D3D.DeviceContext);
if (!SoftShadowShader.Render(D3D.DeviceContext, CubeModel.IndexCount, worldMatrix, viewMatrix, projectionMatrix, CubeModel.Texture.TextureResource, UpSampleTexure.ShaderResourceView, Light.Position, Light.AmbientColor, Light.DiffuseColour))
{
return(false);
}
// Reset the world matrix.
worldMatrix = D3D.WorldMatrix;
// Setup the translation matrix for the sphere model.
Vector3 spherePosition = SphereModel.GetPosition();
Matrix.Translation(spherePosition.X, spherePosition.Y, spherePosition.Z, out worldMatrix);
// Render the sphere model using the soft shadow shader.
SphereModel.Render(D3D.DeviceContext);
if (!SoftShadowShader.Render(D3D.DeviceContext, SphereModel.IndexCount, worldMatrix, viewMatrix, projectionMatrix, SphereModel.Texture.TextureResource, UpSampleTexure.ShaderResourceView, Light.Position, Light.AmbientColor, Light.DiffuseColour))
{
return(false);
}
// Reset the world matrix.
worldMatrix = D3D.WorldMatrix;
// Setup the translation matrix for the ground model.
Vector3 groundPosition = GroundModel.GetPosition();
Matrix.Translation(groundPosition.X, groundPosition.Y, groundPosition.Z, out worldMatrix);
// Render the ground model using the shadow shader.
GroundModel.Render(D3D.DeviceContext);
if (!SoftShadowShader.Render(D3D.DeviceContext, GroundModel.IndexCount, worldMatrix, viewMatrix, projectionMatrix, GroundModel.Texture.TextureResource, UpSampleTexure.ShaderResourceView, Light.Position, Light.AmbientColor, Light.DiffuseColour))
{
return(false);
}
// Present the rendered scene to the screen.
D3D.EndScene();
return(true);
}