/// <summary>
/// The device exists, but may have just been Reset(). Resources in
/// Pool.Default and any other device state that persists during
/// rendering should be set here. Render states, matrices, textures,
/// etc., that don't change during rendering can be set once here to
/// avoid redundant state setting during Render() or FrameMove().
/// </summary>
protected override void RestoreDeviceObjects(System.Object sender, System.EventArgs e)
{
// Restore mesh's local memory objects
blendObject.RestoreDeviceObjects(device, null);
// Get access to the mesh vertex and index buffers
vertexBuffer = blendObject.LocalMesh.VertexBuffer;
indexBuffer = blendObject.LocalMesh.IndexBuffer;
numVertices = blendObject.LocalMesh.NumberVertices;
numFaces = blendObject.LocalMesh.NumberFaces;
if (BehaviorFlags.SoftwareVertexProcessing ||
Caps.VertexShaderVersion.Major >= 1)
{
// Setup the vertex declaration
VertexElement[] decl = VertexInformation.DeclaratorFromFormat(BlendVertex.Format);
declaration = new VertexDeclaration(device, decl);
// Create vertex shader from a file
try
{
shader = GraphicsUtility.CreateVertexShader(device, "blend.vsh");
}
catch
{
SampleException d3de = new MediaNotFoundException();
HandleSampleException(d3de, ApplicationMessage.ApplicationMustExit);
throw d3de;
}
}
// Set miscellaneous render states
renderState.ZBufferEnable = true;
renderState.Ambient = System.Drawing.Color.FromArgb(0x00404040);
// Set the projection matrix
float fAspect = device.PresentationParameters.BackBufferWidth / (float)device.PresentationParameters.BackBufferHeight;
device.Transform.Projection = Matrix.PerspectiveFovLH((float)Math.PI / 4, fAspect, 1.0f, 10000.0f);
// Set the app view matrix for normal viewing
Vector3 vEyePt = new Vector3(0.0f, -5.0f, -10.0f);
Vector3 vLookatPt = new Vector3(0.0f, 0.0f, 0.0f);
Vector3 vUpVec = new Vector3(0.0f, 1.0f, 0.0f);
device.Transform.View = Matrix.LookAtLH(vEyePt, vLookatPt, vUpVec);
// Create a directional light. (Use yellow light to distinguish from
// vertex shader case.)
GraphicsUtility.InitLight(device.Lights[0], LightType.Directional, -0.5f, -1.0f, 1.0f);
device.Lights[0].Diffuse = System.Drawing.Color.Yellow;
device.Lights[0].Commit();
device.Lights[0].Enabled = true;
renderState.Lighting = true;
}
