protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
try {
// Initialize the device
m_device = new Device();
m_device.Init(graphPanel.Handle, false, true);
// Create the render shaders
try {
Shader.WarningAsError = false;
m_shader_RenderSphere = new Shader(m_device, new System.IO.FileInfo(@"./Shaders/RenderSphere.hlsl"), VERTEX_FORMAT.Pt4, "VS", null, "PS");
m_shader_RenderScene = new Shader(m_device, new System.IO.FileInfo(@"./Shaders/RenderScene.hlsl"), VERTEX_FORMAT.Pt4, "VS", null, "PS");
m_shader_RenderLDR = new Shader(m_device, new System.IO.FileInfo(@"./Shaders/RenderLDR.hlsl"), VERTEX_FORMAT.Pt4, "VS", null, "PS");
} catch (Exception _e) {
throw new Exception("Failed to compile shader! " + _e.Message);
}
// Create CB
m_CB_Render = new ConstantBuffer <CB_Main>(m_device, 0);
// Create textures
LoadHDRImage();
m_Tex_HDRBuffer = new Texture2D(m_device, (uint)graphPanel.Width, (uint)graphPanel.Height, 2, 1, ImageUtility.PIXEL_FORMAT.RGBA32F, ImageUtility.COMPONENT_FORMAT.AUTO, false, false, null);
{ // Build noise texture
SimpleRNG.SetSeed(1U);
PixelsBuffer content = new PixelsBuffer(256 * 256 * 16);
using (System.IO.BinaryWriter W = content.OpenStreamWrite())
for (int i = 0; i < 256 * 256; i++)
{
W.Write((float)SimpleRNG.GetUniform());
W.Write((float)SimpleRNG.GetUniform());
W.Write((float)SimpleRNG.GetUniform());
W.Write((float)SimpleRNG.GetUniform());
}
m_Tex_Noise = new Texture2D(m_device, 256, 256, 1, 1, ImageUtility.PIXEL_FORMAT.RGBA32F, ImageUtility.COMPONENT_FORMAT.AUTO, false, false, new PixelsBuffer[] { content });
}
// Build SH coeffs
const int ORDERS = 20;
{
const int TABLE_SIZE = 64;
// Load A coeffs into a texture array
float[,,] A = new float[TABLE_SIZE, TABLE_SIZE, ORDERS];
// using ( System.IO.FileStream S = new System.IO.FileInfo( @"ConeTable_cosAO_order20.float" ).OpenRead() )
using (System.IO.FileStream S = new System.IO.FileInfo(@"ConeTable_cosTheta_order20.float").OpenRead())
using (System.IO.BinaryReader R = new System.IO.BinaryReader(S)) {
for (int thetaIndex = 0; thetaIndex < TABLE_SIZE; thetaIndex++)
{
for (int AOIndex = 0; AOIndex < TABLE_SIZE; AOIndex++)
{
for (int order = 0; order < ORDERS; order++)
{
A[thetaIndex, AOIndex, order] = R.ReadSingle();
}
}
}
}
PixelsBuffer[] coeffSlices = new PixelsBuffer[5]; // 5 slices of 4 coeffs each to get our 20 orders
for (int sliceIndex = 0; sliceIndex < coeffSlices.Length; sliceIndex++)
{
PixelsBuffer coeffSlice = new PixelsBuffer(TABLE_SIZE * TABLE_SIZE * 16);
coeffSlices[sliceIndex] = coeffSlice;
using (System.IO.BinaryWriter W = coeffSlice.OpenStreamWrite()) {
for (int thetaIndex = 0; thetaIndex < TABLE_SIZE; thetaIndex++)
{
for (int AOIndex = 0; AOIndex < TABLE_SIZE; AOIndex++)
{
W.Write(A[thetaIndex, AOIndex, 4 * sliceIndex + 0]);
W.Write(A[thetaIndex, AOIndex, 4 * sliceIndex + 1]);
W.Write(A[thetaIndex, AOIndex, 4 * sliceIndex + 2]);
W.Write(A[thetaIndex, AOIndex, 4 * sliceIndex + 3]);
}
}
}
}
m_Tex_ACoeffs = new Texture2D(m_device, 64, 64, coeffSlices.Length, 1, ImageUtility.PIXEL_FORMAT.RGBA32F, ImageUtility.COMPONENT_FORMAT.AUTO, false, false, coeffSlices);
}
{
// Load environment coeffs into a constant buffer
float3[] coeffs = new float3[ORDERS * ORDERS];
using (System.IO.FileStream S = new System.IO.FileInfo(@"Ennis_order20.float3").OpenRead())
using (System.IO.BinaryReader R = new System.IO.BinaryReader(S))
for (int coeffIndex = 0; coeffIndex < ORDERS * ORDERS; coeffIndex++)
{
coeffs[coeffIndex].Set(R.ReadSingle(), R.ReadSingle(), R.ReadSingle());
}
// Write into a raw byte[]
byte[] rawContent = new byte[400 * 4 * 4];
using (System.IO.MemoryStream MS = new System.IO.MemoryStream(rawContent))
using (System.IO.BinaryWriter W = new System.IO.BinaryWriter(MS)) {
for (int coeffIndex = 0; coeffIndex < ORDERS * ORDERS; coeffIndex++)
{
W.Write(coeffs[coeffIndex].x);
W.Write(coeffs[coeffIndex].y);
W.Write(coeffs[coeffIndex].z);
W.Write(0.0f);
}
}
m_CB_Coeffs = new RawConstantBuffer(m_device, 1, rawContent.Length);
m_CB_Coeffs.UpdateData(rawContent);
}
// Create camera + manipulator
m_camera.CreatePerspectiveCamera(0.5f * (float)Math.PI, (float)graphPanel.Width / graphPanel.Height, 0.01f, 100.0f);
m_camera.CameraTransformChanged += m_camera_CameraTransformChanged;
m_cameraManipulator.Attach(graphPanel, m_camera);
m_cameraManipulator.InitializeCamera(-2.0f * float3.UnitZ, float3.Zero, float3.UnitY);
m_camera_CameraTransformChanged(null, EventArgs.Empty);
// Start rendering
Application.Idle += Application_Idle;
} catch (Exception _e) {
MessageBox.Show("Failed to initialize D3D renderer!\r\nReason: " + _e.Message);
}
}
protected override void OnLoad( EventArgs e )
{
base.OnLoad( e );
try {
// Initialize the device
m_device = new Device();
m_device.Init( graphPanel.Handle, false, true );
// Create the render shaders
try {
Shader.WarningAsError = false;
m_shader_RenderSphere = new Shader( m_device, new System.IO.FileInfo( @"./Shaders/RenderSphere.hlsl" ), VERTEX_FORMAT.Pt4, "VS", null, "PS", null );
m_shader_RenderScene = new Shader( m_device, new System.IO.FileInfo( @"./Shaders/RenderScene.hlsl" ), VERTEX_FORMAT.Pt4, "VS", null, "PS", null );
m_shader_RenderLDR = new Shader( m_device, new System.IO.FileInfo( @"./Shaders/RenderLDR.hlsl" ), VERTEX_FORMAT.Pt4, "VS", null, "PS", null );
} catch ( Exception _e ) {
throw new Exception( "Failed to compile shader! " + _e.Message );
}
// Create CB
m_CB_Render = new ConstantBuffer< CB_Main >( m_device, 0 );
// Create textures
LoadHDRImage();
m_Tex_HDRBuffer = new Texture2D( m_device, (uint) graphPanel.Width, (uint) graphPanel.Height, 2, 1, PIXEL_FORMAT.RGBA32_FLOAT, false, false, null );
{ // Build noise texture
SimpleRNG.SetSeed( 1U );
PixelsBuffer content = new PixelsBuffer( 256*256*16 );
using ( System.IO.BinaryWriter W = content.OpenStreamWrite() )
for ( int i=0; i < 256*256; i++ ) {
W.Write( (float) SimpleRNG.GetUniform() );
W.Write( (float) SimpleRNG.GetUniform() );
W.Write( (float) SimpleRNG.GetUniform() );
W.Write( (float) SimpleRNG.GetUniform() );
}
m_Tex_Noise = new Texture2D( m_device, 256, 256, 1, 1, PIXEL_FORMAT.RGBA32_FLOAT, false, false, new PixelsBuffer[] { content } );
}
// Build SH coeffs
const int ORDERS = 20;
{
const int TABLE_SIZE = 64;
// Load A coeffs into a texture array
float[,,] A = new float[TABLE_SIZE,TABLE_SIZE,ORDERS];
// using ( System.IO.FileStream S = new System.IO.FileInfo( @"ConeTable_cosAO_order20.float" ).OpenRead() )
using ( System.IO.FileStream S = new System.IO.FileInfo( @"ConeTable_cosTheta_order20.float" ).OpenRead() )
using ( System.IO.BinaryReader R = new System.IO.BinaryReader( S ) ) {
for ( int thetaIndex=0; thetaIndex < TABLE_SIZE; thetaIndex++ )
for ( int AOIndex=0; AOIndex < TABLE_SIZE; AOIndex++ ) {
for ( int order=0; order < ORDERS; order++ )
A[thetaIndex,AOIndex,order] = R.ReadSingle();
}
}
PixelsBuffer[] coeffSlices = new PixelsBuffer[5]; // 5 slices of 4 coeffs each to get our 20 orders
for ( int sliceIndex=0; sliceIndex < coeffSlices.Length; sliceIndex++ ) {
PixelsBuffer coeffSlice = new PixelsBuffer( TABLE_SIZE*TABLE_SIZE*16 );
coeffSlices[sliceIndex] = coeffSlice;
using ( System.IO.BinaryWriter W = coeffSlice.OpenStreamWrite() ) {
for ( int thetaIndex=0; thetaIndex < TABLE_SIZE; thetaIndex++ )
for ( int AOIndex=0; AOIndex < TABLE_SIZE; AOIndex++ ) {
W.Write( A[thetaIndex,AOIndex,4*sliceIndex+0] );
W.Write( A[thetaIndex,AOIndex,4*sliceIndex+1] );
W.Write( A[thetaIndex,AOIndex,4*sliceIndex+2] );
W.Write( A[thetaIndex,AOIndex,4*sliceIndex+3] );
}
}
}
m_Tex_ACoeffs = new Texture2D( m_device, 64, 64, coeffSlices.Length, 1, PIXEL_FORMAT.RGBA32_FLOAT, false, false, coeffSlices );
}
{
// Load environment coeffs into a constant buffer
float3[] coeffs = new float3[ORDERS*ORDERS];
using ( System.IO.FileStream S = new System.IO.FileInfo( @"Ennis_order20.float3" ).OpenRead() )
using ( System.IO.BinaryReader R = new System.IO.BinaryReader( S ) )
for ( int coeffIndex=0; coeffIndex < ORDERS*ORDERS; coeffIndex++ )
coeffs[coeffIndex].Set( R.ReadSingle(), R.ReadSingle(), R.ReadSingle() );
// Write into a raw byte[]
byte[] rawContent = new byte[400 * 4 * 4];
using ( System.IO.MemoryStream MS = new System.IO.MemoryStream( rawContent ) )
using ( System.IO.BinaryWriter W = new System.IO.BinaryWriter( MS ) ) {
for ( int coeffIndex=0; coeffIndex < ORDERS*ORDERS; coeffIndex++ ) {
W.Write( coeffs[coeffIndex].x );
W.Write( coeffs[coeffIndex].y );
W.Write( coeffs[coeffIndex].z );
W.Write( 0.0f );
}
}
m_CB_Coeffs = new RawConstantBuffer( m_device, 1, rawContent.Length );
m_CB_Coeffs.UpdateData( rawContent );
}
// Create camera + manipulator
m_camera.CreatePerspectiveCamera( 0.5f * (float) Math.PI, (float) graphPanel.Width / graphPanel.Height, 0.01f, 100.0f );
m_camera.CameraTransformChanged += m_camera_CameraTransformChanged;
m_cameraManipulator.Attach( graphPanel, m_camera );
m_cameraManipulator.InitializeCamera( -2.0f * float3.UnitZ, float3.Zero, float3.UnitY );
m_camera_CameraTransformChanged( null, EventArgs.Empty );
// Start rendering
Application.Idle += Application_Idle;
} catch ( Exception _e ) {
MessageBox.Show( "Failed to initialize D3D renderer!\r\nReason: " + _e.Message );
}
}