public AnimatedCursor(Context context, IRenderDevice device, iPipelineStateFactory stateFactory, iShaderFactory shaderFactory, iStorageFolder assets)
{
constantBuffer = device.CreateDynamicUniformBuffer <AnimatedConstantBuffer>("Animated cursor CB");
PipelineStateDesc desc = createStateDesc(context);
desc.premultipliedBlendingMaxAlpha();
initState(stateFactory, shaderFactory, assets, "AniCursorVS.hlsl", "AniCursorPS.hlsl", "Animated cursor");
stateFactory.apply(ref desc);
pipelineState = device.CreatePipelineState(ref desc);
pipelineState.GetStaticVariableByName(ShaderType.Vertex, "CursorCB").Set(constantBuffer);
pipelineState.GetStaticVariableByName(ShaderType.Pixel, "CursorCB").Set(constantBuffer);
bindings = pipelineState.CreateShaderResourceBinding(true);
textureVariable = bindings.GetVariableByName(ShaderType.Pixel, "g_Texture");
animatedConstants = default;
timers = context.animation.timers;
lastFrameSwitch = timers[animationTimer];
lastRendered = lastFrameSwitch;
frameDuration = default;
animationFrames = 0;
}
public StaticCursor(Context context, IRenderDevice device, iPipelineStateFactory stateFactory, iShaderFactory shaderFactory, iStorageFolder assets, IShader vs)
{
constantBuffer = device.CreateDynamicUniformBuffer <Vector4>("Cursor CB");
PipelineStateDesc desc = createStateDesc(context);
desc.premultipliedAlphaBlending();
initState(stateFactory, shaderFactory, assets, vs, "CursorPS.hlsl", "Cursor");
stateFactory.apply(ref desc);
pipelineState = device.CreatePipelineState(ref desc);
pipelineState.GetStaticVariableByName(ShaderType.Vertex, "CursorCB").Set(constantBuffer);
bindings = pipelineState.CreateShaderResourceBinding(true);
textureVariable = bindings.GetVariableByName(ShaderType.Pixel, "g_Texture");
position = default;
}
public MonoCursor(Context context, IRenderDevice device, iPipelineStateFactory stateFactory, iShaderFactory shaderFactory, iStorageFolder assets, IShader vs)
{
constantBuffer = device.CreateDynamicUniformBuffer <Vector4>("Cursor CB");
PipelineStateDesc desc = createStateDesc(context);
// === First pass, setup that weird blending to invert colors ===
RenderTargetBlendDesc blendDesc = new RenderTargetBlendDesc(false)
{
BlendEnable = true,
SrcBlend = BlendFactor.InvDestColor,
DestBlend = BlendFactor.Zero,
};
desc.GraphicsPipeline.BlendDesc.setRenderTarget(blendDesc);
initState(stateFactory, shaderFactory, assets, vs, "CursorMaskPS.hlsl", "Invert bits");
stateFactory.apply(ref desc);
psoInvert = device.CreatePipelineState(ref desc);
psoInvert.GetStaticVariableByName(ShaderType.Vertex, "CursorCB").Set(constantBuffer);
bindingsInvert = psoInvert.CreateShaderResourceBinding(true);
textureVariableInvert = bindingsInvert.GetVariableByName(ShaderType.Pixel, "g_Texture");
// === Second pass, normal alpha blending ===
desc.premultipliedAlphaBlending();
initState(stateFactory, shaderFactory, assets, vs, "CursorColorPS.hlsl", "Monochrome cursor");
stateFactory.apply(ref desc);
psoRgb = device.CreatePipelineState(ref desc);
psoRgb.GetStaticVariableByName(ShaderType.Vertex, "CursorCB").Set(constantBuffer);
bindingsRgb = psoRgb.CreateShaderResourceBinding(true);
textureVariableRgb = bindingsRgb.GetVariableByName(ShaderType.Pixel, "g_Texture");
position = default;
}
void createPipelineState(IRenderDevice device, iStorageFolder assets)
{
PipelineStateDesc PSODesc = new PipelineStateDesc(false);
PSODesc.setBufferFormats(context);
// Primitive topology defines what kind of primitives will be rendered by this pipeline state
PSODesc.GraphicsPipeline.PrimitiveTopology = PrimitiveTopology.TriangleList;
// Cull back faces
PSODesc.GraphicsPipeline.RasterizerDesc.CullMode = CullMode.Back;
// Enable depth testing
PSODesc.GraphicsPipeline.DepthStencilDesc.DepthEnable = true;
iShaderFactory shaderFactory = device.GetShaderFactory();
// We won't be using the factory object after this, `using` to release the COM interface once finished
using (iPipelineStateFactory stateFactory = device.CreatePipelineStateFactory())
{
stateFactory.setName("Cube PSO");
// Compile the two shaders
ShaderSourceInfo sourceInfo = new ShaderSourceInfo(ShaderType.Vertex, ShaderSourceLanguage.Hlsl);
sourceInfo.combinedTextureSamplers = true; // This appears to be the requirement of OpenGL backend.
// In this tutorial, we will load shaders from resources embedded into this .NET DLL.
var vs = shaderFactory.compileFromFile(assets, "cube.vsh", sourceInfo, "Cube VS");
stateFactory.graphicsVertexShader(vs);
// Create dynamic uniform buffer that will store our transformation matrix. Dynamic buffers can be frequently updated by the CPU.
BufferDesc CBDesc = new BufferDesc(false);
CBDesc.uiSizeInBytes = Marshal.SizeOf <Matrix4x4>();
CBDesc.Usage = Usage.Dynamic;
CBDesc.BindFlags = BindFlags.UniformBuffer;
CBDesc.CPUAccessFlags = CpuAccessFlags.Write;
vsConstants = device.CreateBuffer(CBDesc, "VS constants CB");
// Create a pixel shader
sourceInfo.shaderType = ShaderType.Pixel;
var ps = shaderFactory.compileFromFile(assets, "cube.psh", sourceInfo, "Cube PS");
stateFactory.graphicsPixelShader(ps);
// Define vertex shader input layout
// Attribute 0 - vertex position
LayoutElement elt = new LayoutElement(false)
{
InputIndex = 0,
BufferSlot = 0,
NumComponents = 3,
ValueType = GpuValueType.Float32,
IsNormalized = false
};
stateFactory.graphicsLayoutElement(elt);
// Attribute 1 - texture coordinates
elt.InputIndex = 1;
elt.NumComponents = 2;
stateFactory.graphicsLayoutElement(elt);
// Define variable type that will be used by default
PSODesc.ResourceLayout.DefaultVariableType = ShaderResourceVariableType.Static;
// Shader variables should typically be mutable, which means they are expected to change on a per-instance basis
stateFactory.layoutVariable(ShaderType.Pixel, ShaderResourceVariableType.Mutable, "g_Texture");
// Define static sampler for g_Texture. Static samplers should be used whenever possible.
// The default constructor is good enough, it sets FilterType.Linear and TextureAddressMode.Clamp for all 3 coordinates.
SamplerDesc samplerDesc = new SamplerDesc(false);
stateFactory.layoutStaticSampler(ShaderType.Pixel, ref samplerDesc, "g_Texture");
stateFactory.apply(ref PSODesc);
pipelineState = device.CreatePipelineState(ref PSODesc);
}
// Since we did not explicitly specify the type for 'Constants' variable, default
// type (SHADER_RESOURCE_VARIABLE_TYPE_STATIC) will be used. Static variables never
// change and are bound directly through the pipeline state object.
pipelineState.GetStaticVariableByName(ShaderType.Vertex, "Constants").Set(vsConstants);
// Since we are using mutable variable, we must create a shader resource binding object
// http://diligentgraphics.com/2016/03/23/resource-binding-model-in-diligent-engine-2-0/
resourceBinding = pipelineState.CreateShaderResourceBinding(true);
}
public TeapotResources(Context context, IRenderDevice device)
{
PipelineStateDesc PSODesc = new PipelineStateDesc(false);
PSODesc.setBufferFormats(context);
// Primitive topology defines what kind of primitives will be rendered by this pipeline state
PSODesc.GraphicsPipeline.PrimitiveTopology = PrimitiveTopology.TriangleList;
// Cull back faces
PSODesc.GraphicsPipeline.RasterizerDesc.CullMode = CullMode.Back;
// Enable depth testing
PSODesc.GraphicsPipeline.DepthStencilDesc.DepthEnable = true;
iShaderFactory shaderFactory = device.GetShaderFactory();
// We won't be using the device object after this, `using` is to release the COM interface once finished
using (iPipelineStateFactory stateFactory = device.CreatePipelineStateFactory())
{
stateFactory.setName("Teapot PSO");
// Compile the two shaders
ShaderSourceInfo sourceInfo = new ShaderSourceInfo(ShaderType.Vertex, ShaderSourceLanguage.Hlsl);
sourceInfo.combinedTextureSamplers = true; // This appears to be the requirement of OpenGL backend.
// In this tutorial, we will load shaders from resources embedded into this .NET DLL.
iStorageFolder resources = StorageFolder.embeddedResources(Assembly.GetExecutingAssembly(), resourcesFolder);
var vs = shaderFactory.compileFromFile(resources, "TeapotVS.hlsl", sourceInfo, "Teapot VS");
stateFactory.graphicsVertexShader(vs);
// Create dynamic uniform buffer that will store our transformation matrix. Dynamic buffers can be frequently updated by the CPU.
vsConstants = device.CreateDynamicUniformBuffer <VsConstants>("VS constants CB");
// Create a pixel shader
sourceInfo.shaderType = ShaderType.Pixel;
var ps = shaderFactory.compileFromFile(resources, "TeapotPS.hlsl", sourceInfo, "Teapot PS");
stateFactory.graphicsPixelShader(ps);
// Define vertex shader input layout
// Attribute 0 - vertex position
LayoutElement elt = new LayoutElement(false)
{
InputIndex = 0,
BufferSlot = 0,
NumComponents = 3,
ValueType = GpuValueType.Float32,
IsNormalized = false
};
stateFactory.graphicsLayoutElement(elt);
// Attribute 1 - normals, they are generated by STL loader because we ask for them.
elt.InputIndex = 1;
elt.NumComponents = 3;
stateFactory.graphicsLayoutElement(elt);
// Define variable type that will be used by default
PSODesc.ResourceLayout.DefaultVariableType = ShaderResourceVariableType.Static;
stateFactory.apply(ref PSODesc);
pipelineState = device.CreatePipelineState(ref PSODesc);
}
// Since we did not explicitly specify the type for 'Constants' variable, default
// type (SHADER_RESOURCE_VARIABLE_TYPE_STATIC) will be used. Static variables never
// change and are bound directly through the pipeline state object.
pipelineState.GetStaticVariableByName(ShaderType.Vertex, "Constants").Set(vsConstants);
// Create a shader resource binding object and bind all static resources in it
resourceBinding = pipelineState.CreateShaderResourceBinding(true);
}