public override WriteableBitmap Initialize(Device device)
{
// Create device and swap chain.
var swapChainPresenter = new WpfSwapChainPresenter();
_swapChain = device.CreateSwapChain(Width, Height, swapChainPresenter);
_deviceContext = device.ImmediateContext;
// Create RenderTargetView from the backbuffer.
var backBuffer = Texture2D.FromSwapChain(_swapChain, 0);
_renderTargetView = device.CreateRenderTargetView(backBuffer);
// Create the depth buffer
var depthBuffer = device.CreateTexture2D(new Texture2DDescription
{
ArraySize = 1,
MipLevels = 1,
Width = Width,
Height = Height,
BindFlags = BindFlags.DepthStencil
});
// Create the depth buffer view
_depthView = device.CreateDepthStencilView(depthBuffer);
// Create cube map resources.
var cubeMapTexture = device.CreateTexture2D(new Texture2DDescription
{
Width = CubeMapSize,
Height = CubeMapSize,
ArraySize = 6,
BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource,
MipLevels = 1
});
_renderTargetViewCube = device.CreateRenderTargetView(cubeMapTexture);
_resourceViewCube = device.CreateShaderResourceView(cubeMapTexture);
var depthBufferCube = device.CreateTexture2D(new Texture2DDescription
{
ArraySize = 6,
MipLevels = 1,
Width = CubeMapSize,
Height = CubeMapSize,
BindFlags = BindFlags.DepthStencil
});
_depthViewCube = device.CreateDepthStencilView(depthBufferCube);
// Load model.
var modelLoader = new ModelLoader(device, TextureLoader.CreateTextureFromStream);
_model = modelLoader.Load("Modules/SampleBrowser/Samples/EnvironmentMapping/teapot.obj");
// Compile Vertex and Pixel shaders
var vertexShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "VS_CubeMap", "vs_4_0");
_vertexShaderCubeMap = device.CreateVertexShader(vertexShaderByteCode);
_vertexShaderStandard = device.CreateVertexShader(ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "VS_Standard", "vs_4_0"));
_geometryShaderCubeMap = device.CreateGeometryShader(ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "GS_CubeMap", "gs_4_0"));
_pixelShaderCubeMap = device.CreatePixelShader(ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "PS_CubeMap", "ps_4_0"));
_pixelShaderStandard = device.CreatePixelShader(ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "PS_Standard", "ps_4_0"));
_pixelShaderReflective = device.CreatePixelShader(ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "PS_Reflective", "ps_4_0"));
_model.SetInputLayout(device, vertexShaderByteCode.InputSignature);
var sampler = device.CreateSamplerState(SamplerStateDescription.Default);
// Create constant buffers.
_vertexConstantBuffer = device.CreateBuffer(new BufferDescription
{
SizeInBytes = Utilities.SizeOf <VertexShaderData>(),
BindFlags = BindFlags.ConstantBuffer
});
_geometryConstantBuffer = device.CreateBuffer(new BufferDescription
{
SizeInBytes = Utilities.SizeOf <GeometryShaderData>(),
BindFlags = BindFlags.ConstantBuffer
});
var pixelConstantBuffer = device.CreateBuffer(new BufferDescription
{
SizeInBytes = Utilities.SizeOf <PixelShaderData>(),
BindFlags = BindFlags.ConstantBuffer
});
// Prepare all the stages
_deviceContext.VertexShader.SetConstantBuffers(0, _vertexConstantBuffer);
_deviceContext.GeometryShader.SetConstantBuffers(0, _geometryConstantBuffer);
_deviceContext.PixelShader.SetConstantBuffers(0, pixelConstantBuffer);
_deviceContext.PixelShader.SetSamplers(0, sampler);
_vertexShaderData = new VertexShaderData();
_view1 = Matrix.LookAtLH(Vector3.Zero, new Vector3(1, 0, 0), Vector3.UnitY);
_view2 = Matrix.LookAtLH(Vector3.Zero, new Vector3(-1, 0, 0), Vector3.UnitY);
_view3 = Matrix.LookAtLH(Vector3.Zero, new Vector3(0, 1, 0), -Vector3.UnitZ);
_view4 = Matrix.LookAtLH(Vector3.Zero, new Vector3(0, -1, 0), Vector3.UnitZ);
_view5 = Matrix.LookAtLH(Vector3.Zero, new Vector3(0, 0, 1), Vector3.UnitY);
_view6 = Matrix.LookAtLH(Vector3.Zero, new Vector3(0, 0, -1), Vector3.UnitY);
var from = new Vector3(0, 30, 70);
var to = new Vector3(0, 0, 0);
// Prepare matrices
var view = Matrix.LookAtLH(from, to, Vector3.UnitY);
_projectionCube = Matrix.PerspectiveFovLH(MathUtil.PiOverTwo, 1.0f, 1f, 10000.0f);
_projection = Matrix.PerspectiveFovLH(MathUtil.Pi / 3.0f, Width / (float)Height, 1f, 10000.0f);
_viewProjectionCube = Matrix.Multiply(view, _projectionCube);
_viewProjection = Matrix.Multiply(view, _projection);
var pixelShaderData = new PixelShaderData
{
LightDirection = new Vector4(Vector3.Normalize(new Vector3(0.5f, 0, -1)), 1),
EyePosition = new Vector4(from, 1)
};
_deviceContext.SetBufferData(pixelConstantBuffer, ref pixelShaderData);
// Setup targets and viewport for rendering
_deviceContext.Rasterizer.SetViewports(new Viewport(0, 0, Width, Height, 0.0f, 1.0f));
_deviceContext.OutputMerger.SetTargets(_depthView, _renderTargetView);
return(swapChainPresenter.Bitmap);
}
public override WriteableBitmap Initialize(Device device)
{
const int width = 600;
const int height = 400;
// Create device and swap chain.
var swapChainPresenter = new WpfSwapChainPresenter();
_swapChain = device.CreateSwapChain(width, height, swapChainPresenter);
_deviceContext = device.ImmediateContext;
// Create RenderTargetView from the backbuffer.
var backBuffer = Texture2D.FromSwapChain(_swapChain, 0);
_renderTargetView = device.CreateRenderTargetView(backBuffer);
// Create the depth buffer
var depthBuffer = device.CreateTexture2D(new Texture2DDescription
{
ArraySize = 1,
MipLevels = 1,
Width = width,
Height = height,
BindFlags = BindFlags.DepthStencil
});
// Create the depth buffer view
_depthView = device.CreateDepthStencilView(depthBuffer);
// Load model.
var modelLoader = new ModelLoader(device, TextureLoader.CreateTextureFromStream);
_model = modelLoader.Load("Modules/SampleBrowser/Samples/ModelLoading/Car/car.obj");
// Compile Vertex and Pixel shaders
var vertexShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/ModelLoading/ModelLoading.fx", "VS", "vs_4_0");
var vertexShader = device.CreateVertexShader(vertexShaderByteCode);
var pixelShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/ModelLoading/ModelLoading.fx", "PS", "ps_4_0");
var pixelShader = device.CreatePixelShader(pixelShaderByteCode);
_model.SetInputLayout(device, vertexShaderByteCode.InputSignature);
var sampler = device.CreateSamplerState(new SamplerStateDescription
{
Filter = Filter.MinMagMipPoint,
AddressU = TextureAddressMode.Wrap,
AddressV = TextureAddressMode.Wrap,
AddressW = TextureAddressMode.Wrap,
BorderColor = Color4.Black,
ComparisonFunction = Comparison.Never,
MaximumAnisotropy = 16,
MipLodBias = 0,
MinimumLod = 0,
MaximumLod = 16,
});
// Create constant buffers.
_vertexConstantBuffer = device.CreateBuffer(new BufferDescription
{
SizeInBytes = Utilities.SizeOf<VertexShaderData>(),
BindFlags = BindFlags.ConstantBuffer
});
_pixelConstantBuffer = device.CreateBuffer(new BufferDescription
{
SizeInBytes = Utilities.SizeOf<PixelShaderData>(),
BindFlags = BindFlags.ConstantBuffer
});
// Prepare all the stages
_deviceContext.VertexShader.SetConstantBuffers(0, _vertexConstantBuffer);
_deviceContext.VertexShader.Shader = vertexShader;
_deviceContext.PixelShader.SetConstantBuffers(0, _pixelConstantBuffer);
_deviceContext.PixelShader.Shader = pixelShader;
_deviceContext.PixelShader.SetSamplers(0, sampler);
_vertexShaderData = new VertexShaderData();
_pixelShaderData = new PixelShaderData
{
LightDirection = new Vector4(Vector3.Normalize(new Vector3(0.5f, 0, -1)), 1)
};
_deviceContext.SetBufferData(_pixelConstantBuffer, ref _pixelShaderData);
// Setup targets and viewport for rendering
_deviceContext.Rasterizer.SetViewports(new Viewport(0, 0, width, height, 0.0f, 1.0f));
_deviceContext.OutputMerger.SetTargets(_depthView, _renderTargetView);
//_deviceContext.Rasterizer.State = device.CreateRasterizerState(new Pipeline.Rasterizer.RasterizerStateDescription
//{
// FillMode = Pipeline.Rasterizer.FillMode.Wireframe
//});
// Prepare matrices
_projection = Matrix.PerspectiveFovLH(MathUtil.Pi / 3.0f,
width / (float) height, 1f, 1000.0f);
return swapChainPresenter.Bitmap;
}
public override WriteableBitmap Initialize(Device device)
{
// Create device and swap chain.
var swapChainPresenter = new WpfSwapChainPresenter();
_swapChain = device.CreateSwapChain(Width, Height, swapChainPresenter);
_deviceContext = device.ImmediateContext;
// Create RenderTargetView from the backbuffer.
var backBuffer = Texture2D.FromSwapChain(_swapChain, 0);
_renderTargetView = device.CreateRenderTargetView(backBuffer);
// Create the depth buffer
var depthBuffer = device.CreateTexture2D(new Texture2DDescription
{
ArraySize = 1,
MipLevels = 1,
Width = Width,
Height = Height,
BindFlags = BindFlags.DepthStencil
});
// Create the depth buffer view
_depthView = device.CreateDepthStencilView(depthBuffer);
// Create cube map resources.
var cubeMapTexture = device.CreateTexture2D(new Texture2DDescription
{
Width = CubeMapSize,
Height= CubeMapSize,
ArraySize = 6,
BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource,
MipLevels = 1
});
_renderTargetViewCube = device.CreateRenderTargetView(cubeMapTexture);
_resourceViewCube = device.CreateShaderResourceView(cubeMapTexture);
var depthBufferCube = device.CreateTexture2D(new Texture2DDescription
{
ArraySize = 6,
MipLevels = 1,
Width = CubeMapSize,
Height = CubeMapSize,
BindFlags = BindFlags.DepthStencil
});
_depthViewCube = device.CreateDepthStencilView(depthBufferCube);
// Load model.
var modelLoader = new ModelLoader(device, TextureLoader.CreateTextureFromStream);
_model = modelLoader.Load("Modules/SampleBrowser/Samples/EnvironmentMapping/teapot.obj");
// Compile Vertex and Pixel shaders
var vertexShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "VS_CubeMap", "vs_4_0");
_vertexShaderCubeMap = device.CreateVertexShader(vertexShaderByteCode);
_vertexShaderStandard = device.CreateVertexShader(ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "VS_Standard", "vs_4_0"));
_geometryShaderCubeMap = device.CreateGeometryShader(ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "GS_CubeMap", "gs_4_0"));
_pixelShaderCubeMap = device.CreatePixelShader(ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "PS_CubeMap", "ps_4_0"));
_pixelShaderStandard = device.CreatePixelShader(ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "PS_Standard", "ps_4_0"));
_pixelShaderReflective = device.CreatePixelShader(ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "PS_Reflective", "ps_4_0"));
_model.SetInputLayout(device, vertexShaderByteCode.InputSignature);
var sampler = device.CreateSamplerState(SamplerStateDescription.Default);
// Create constant buffers.
_vertexConstantBuffer = device.CreateBuffer(new BufferDescription
{
SizeInBytes = Utilities.SizeOf<VertexShaderData>(),
BindFlags = BindFlags.ConstantBuffer
});
_geometryConstantBuffer = device.CreateBuffer(new BufferDescription
{
SizeInBytes = Utilities.SizeOf<GeometryShaderData>(),
BindFlags = BindFlags.ConstantBuffer
});
var pixelConstantBuffer = device.CreateBuffer(new BufferDescription
{
SizeInBytes = Utilities.SizeOf<PixelShaderData>(),
BindFlags = BindFlags.ConstantBuffer
});
// Prepare all the stages
_deviceContext.VertexShader.SetConstantBuffers(0, _vertexConstantBuffer);
_deviceContext.GeometryShader.SetConstantBuffers(0, _geometryConstantBuffer);
_deviceContext.PixelShader.SetConstantBuffers(0, pixelConstantBuffer);
_deviceContext.PixelShader.SetSamplers(0, sampler);
_vertexShaderData = new VertexShaderData();
_view1 = Matrix.LookAtLH(Vector3.Zero, new Vector3(1, 0, 0), Vector3.UnitY);
_view2 = Matrix.LookAtLH(Vector3.Zero, new Vector3(-1, 0, 0), Vector3.UnitY);
_view3 = Matrix.LookAtLH(Vector3.Zero, new Vector3(0, 1, 0), -Vector3.UnitZ);
_view4 = Matrix.LookAtLH(Vector3.Zero, new Vector3(0, -1, 0), Vector3.UnitZ);
_view5 = Matrix.LookAtLH(Vector3.Zero, new Vector3(0, 0, 1), Vector3.UnitY);
_view6 = Matrix.LookAtLH(Vector3.Zero, new Vector3(0, 0, -1), Vector3.UnitY);
var from = new Vector3(0, 30, 70);
var to = new Vector3(0, 0, 0);
// Prepare matrices
var view = Matrix.LookAtLH(from, to, Vector3.UnitY);
_projectionCube = Matrix.PerspectiveFovLH(MathUtil.PiOverTwo, 1.0f, 1f, 10000.0f);
_projection = Matrix.PerspectiveFovLH(MathUtil.Pi / 3.0f, Width / (float) Height, 1f, 10000.0f);
_viewProjectionCube = Matrix.Multiply(view, _projectionCube);
_viewProjection = Matrix.Multiply(view, _projection);
var pixelShaderData = new PixelShaderData
{
LightDirection = new Vector4(Vector3.Normalize(new Vector3(0.5f, 0, -1)), 1),
EyePosition = new Vector4(from, 1)
};
_deviceContext.SetBufferData(pixelConstantBuffer, ref pixelShaderData);
// Setup targets and viewport for rendering
_deviceContext.Rasterizer.SetViewports(new Viewport(0, 0, Width, Height, 0.0f, 1.0f));
_deviceContext.OutputMerger.SetTargets(_depthView, _renderTargetView);
return swapChainPresenter.Bitmap;
}
public override WriteableBitmap Initialize(Device device)
{
const int width = 600;
const int height = 400;
// Create device and swap chain.
var swapChainPresenter = new WpfSwapChainPresenter();
_swapChain = device.CreateSwapChain(width, height, swapChainPresenter);
_deviceContext = device.ImmediateContext;
// Create RenderTargetView from the backbuffer.
var backBuffer = Texture2D.FromSwapChain(_swapChain, 0);
_renderTargetView = device.CreateRenderTargetView(backBuffer);
// Create the depth buffer
var depthBuffer = device.CreateTexture2D(new Texture2DDescription
{
ArraySize = 1,
MipLevels = 1,
Width = width,
Height = height,
BindFlags = BindFlags.DepthStencil
});
// Create the depth buffer view
_depthView = device.CreateDepthStencilView(depthBuffer);
// Load model.
var modelLoader = new ModelLoader(device, TextureLoader.CreateTextureFromStream);
_model = modelLoader.Load("Modules/SampleBrowser/Samples/ModelLoading/Car/car.obj");
// Compile Vertex and Pixel shaders
var vertexShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/ModelLoading/ModelLoading.fx", "VS", "vs_4_0");
var vertexShader = device.CreateVertexShader(vertexShaderByteCode);
var pixelShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/ModelLoading/ModelLoading.fx", "PS", "ps_4_0");
var pixelShader = device.CreatePixelShader(pixelShaderByteCode);
_model.SetInputLayout(device, vertexShaderByteCode.InputSignature);
var sampler = device.CreateSamplerState(new SamplerStateDescription
{
Filter = Filter.MinMagMipPoint,
AddressU = TextureAddressMode.Wrap,
AddressV = TextureAddressMode.Wrap,
AddressW = TextureAddressMode.Wrap,
BorderColor = Color4.Black,
ComparisonFunction = Comparison.Never,
MaximumAnisotropy = 16,
MipLodBias = 0,
MinimumLod = 0,
MaximumLod = 16,
});
// Create constant buffers.
_vertexConstantBuffer = device.CreateBuffer(new BufferDescription
{
SizeInBytes = Utilities.SizeOf <VertexShaderData>(),
BindFlags = BindFlags.ConstantBuffer
});
_pixelConstantBuffer = device.CreateBuffer(new BufferDescription
{
SizeInBytes = Utilities.SizeOf <PixelShaderData>(),
BindFlags = BindFlags.ConstantBuffer
});
// Prepare all the stages
_deviceContext.VertexShader.SetConstantBuffers(0, _vertexConstantBuffer);
_deviceContext.VertexShader.Shader = vertexShader;
_deviceContext.PixelShader.SetConstantBuffers(0, _pixelConstantBuffer);
_deviceContext.PixelShader.Shader = pixelShader;
_deviceContext.PixelShader.SetSamplers(0, sampler);
_vertexShaderData = new VertexShaderData();
_pixelShaderData = new PixelShaderData
{
LightDirection = new Vector4(Vector3.Normalize(new Vector3(0.5f, 0, -1)), 1)
};
_deviceContext.SetBufferData(_pixelConstantBuffer, ref _pixelShaderData);
// Setup targets and viewport for rendering
_deviceContext.Rasterizer.SetViewports(new Viewport(0, 0, width, height, 0.0f, 1.0f));
_deviceContext.OutputMerger.SetTargets(_depthView, _renderTargetView);
//_deviceContext.Rasterizer.State = device.CreateRasterizerState(new Pipeline.Rasterizer.RasterizerStateDescription
//{
// FillMode = Pipeline.Rasterizer.FillMode.Wireframe
//});
// Prepare matrices
_projection = Matrix.PerspectiveFovLH(MathUtil.Pi / 3.0f,
width / (float)height, 1f, 1000.0f);
return(swapChainPresenter.Bitmap);
}
public Program()
{
var form = new RenderForm("SharpDX - Load Mesh Sample");
form.Width = 1280;
form.Height = 720;
// SwapChain description
var desc = new SwapChainDescription()
{
BufferCount = 1,
ModeDescription = new ModeDescription(form.Width, form.Height, new Rational(60, 1), Format.R8G8B8A8_UNorm),
IsWindowed = true,
OutputHandle = form.Handle,
SampleDescription = new SampleDescription(1, 0),
SwapEffect = SwapEffect.Discard,
Usage = Usage.RenderTargetOutput
};
// Create Device and SwapChain
Device device;
SwapChain swapChain;
Device.CreateWithSwapChain(DriverType.Hardware, DeviceCreationFlags.Debug, desc, out device, out swapChain);
var context = device.ImmediateContext;
// Ignore all windows events
var factory = swapChain.GetParent<Factory>();
factory.MakeWindowAssociation(form.Handle, WindowAssociationFlags.IgnoreAll);
// New RenderTargetView from the backbuffer
var backBuffer = Texture2D.FromSwapChain<Texture2D>(swapChain, 0);
var renderView = new RenderTargetView(device, backBuffer);
//Load model
String fileName = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "sponza/sponza.3ds");
ModelLoader modelLoader = new ModelLoader(device);
Model model = modelLoader.Load(fileName);
// Compile Vertex and Pixel shaders
var vertexShaderByteCode = ShaderBytecode.CompileFromFile("LoadMesh.fx", "VS", "vs_5_0");
var vertexShader = new VertexShader(device, vertexShaderByteCode);
var pixelShaderByteCode = ShaderBytecode.CompileFromFile("LoadMesh.fx", "PS", "ps_5_0");
var pixelShader = new PixelShader(device, pixelShaderByteCode);
model.SetInputLayout(device, ShaderSignature.GetInputSignature(vertexShaderByteCode));
// Create Depth Buffer & View
var depthBuffer = new Texture2D(device, new Texture2DDescription()
{
Format = Format.D32_Float_S8X24_UInt,
ArraySize = 1,
MipLevels = 1,
Width = form.Width,
Height = form.Height,
SampleDescription = new SampleDescription(1, 0),
Usage = ResourceUsage.Default,
BindFlags = BindFlags.DepthStencil,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None
});
var depthView = new DepthStencilView(device, depthBuffer);
//create sampler from texture
var sampler = new SamplerState(device, new SamplerStateDescription()
{
Filter = Filter.MinMagMipLinear,
AddressU = TextureAddressMode.Wrap,
AddressV = TextureAddressMode.Wrap,
AddressW = TextureAddressMode.Wrap,
BorderColor = Color.Black,
ComparisonFunction = Comparison.Never,
MaximumAnisotropy = 16,
MipLodBias = 0,
MinimumLod = 0,
MaximumLod = 16,
});
// Create Constant Buffers
var vertexConstantBuffer = new Buffer(device, Utilities.SizeOf<VertexShaderData>(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0);
var pixelConstantBuffer = new Buffer(device, Utilities.SizeOf<PixelShaderData>(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0);
// Prepare some of the stages. The others are mesh dependent and will be set later
context.VertexShader.Set(vertexShader);
context.Rasterizer.SetViewport(new Viewport(0, 0, form.Width, form.Height, 0.0f, 1.0f));
context.PixelShader.Set(pixelShader);
context.PixelShader.SetSampler(0, sampler);
context.OutputMerger.SetTargets(depthView, renderView);
context.VertexShader.SetConstantBuffer(0, vertexConstantBuffer);
context.PixelShader.SetConstantBuffer(0, pixelConstantBuffer);
//allocate data structs for the vertex and pixel constant buffers
VertexShaderData vsData = new VertexShaderData();
PixelShaderData psData = new PixelShaderData();
//set light position
psData.lightPos = new Vector4(0, 2.5f, 0, 0);
//update pixel shader constant buffer. Only need to do this once.
context.UpdateSubresource(ref psData, pixelConstantBuffer);
// Calc projection matrix
var proj = Matrix.PerspectiveFovLH((float)Math.PI / 4.0f, form.Width / (float)form.Height, 0.1f, 100.0f);
// Use clock
var clock = new Stopwatch();
clock.Start();
// Main loop
RenderLoop.Run(form, () =>
{
var time = clock.ElapsedMilliseconds / 1000.0f;
// Prepare matrices
Vector3 cameraPosition = new Vector3(0, 3, 5.0f);
Vector3 cameraLookAt = new Vector3(0, 2.0f, 0);
//rotate camera
Vector4 tempPos = Vector3.Transform(cameraPosition, Matrix.RotationY(0.2f * time));
cameraPosition = new Vector3(tempPos.X, tempPos.Y, tempPos.Z);
//calculate the view matrix
var view = Matrix.LookAtLH(cameraPosition, cameraLookAt, Vector3.UnitY);
var viewProj = Matrix.Multiply(view, proj);
// Clear views
context.ClearDepthStencilView(depthView, DepthStencilClearFlags.Depth, 1.0f, 0);
context.ClearRenderTargetView(renderView, Color.Black);
// Update transformation matrices
vsData.world = Matrix.Translation(0, -model.AABoxCentre.Y / 2, 0);
vsData.worldView = vsData.world * view;
vsData.worldViewProj = vsData.world * viewProj;
//transpose matrices before sending them to the shader
vsData.world.Transpose();
vsData.worldView.Transpose();
vsData.worldViewProj.Transpose();
//update vertex shader constant buffer
context.UpdateSubresource(ref vsData, vertexConstantBuffer);
// Draw the cube
model.Render(context);
// Present
swapChain.Present(0, PresentFlags.None);
});
// Release all resources
model.Dispose();
vertexShaderByteCode.Dispose();
vertexShader.Dispose();
pixelShaderByteCode.Dispose();
pixelShader.Dispose();
renderView.Dispose();
backBuffer.Dispose();
context.ClearState();
context.Flush();
device.Dispose();
context.Dispose();
swapChain.Dispose();
factory.Dispose();
}