public static void initState(iPipelineStateFactory stateFactory, iShaderFactory shaderFactory, iStorageFolder assets, IShader vs, string ps, string name)
{
stateFactory.clear();
stateFactory.setName(name + " PSO");
// VS input layout
LayoutElement elt = new LayoutElement(false)
{
InputIndex = 0,
BufferSlot = 0,
NumComponents = 2,
ValueType = GpuValueType.Float32,
IsNormalized = false
};
stateFactory.graphicsLayoutElement(elt);
// Shaders
stateFactory.graphicsVertexShader(vs);
using (var shader = shaderFactory.compileHlslFile(assets, ps, ShaderType.Pixel, name + " PS"))
stateFactory.graphicsPixelShader(shader);
// Mutable texture variable
stateFactory.layoutVariable(ShaderType.Pixel, ShaderResourceVariableType.Mutable, "g_Texture");
// Static sampler
SamplerDesc samplerDesc = new SamplerDesc(false)
{
MinFilter = FilterType.Point,
MagFilter = FilterType.Point,
MipFilter = FilterType.Point,
};
stateFactory.layoutStaticSampler(ShaderType.Pixel, ref samplerDesc, "g_Texture");
}
static SamplerDesc samplerDesc()
{
var s = new SamplerDesc(false);
s.MinFilter = s.MagFilter = s.MipFilter = FilterType.Point;
return(s);
}
// Copy constructor:
public SamplerDesc(SamplerDesc desc)
{
m_Type = desc.m_Type;
m_Name = desc.m_Name;
m_Description = desc.m_Description;
m_ShapeDefaultTransform = desc.m_ShapeDefaultTransform;
}
public override bool Equals(object other)
{
SamplerDesc desc = other as SamplerDesc;
if (desc == null)
{
return(false);
}
return(this == desc);
}
public RenderBase(IRenderDevice device, CSize renderTargetSize, SwapChainFormats formats, Vector4 borderColor, sDecodedVideoSize videoSize)
{
this.videoSize = videoSize;
// Create vertex buffer
vertexBuffer = createVideoVertexBuffer(device, renderTargetSize, ref videoSize);
// Create pipeline state
var pso = new PipelineStateDesc(false);
pso.GraphicsPipeline.DepthStencilDesc.DepthEnable = false;
pso.GraphicsPipeline.PrimitiveTopology = PrimitiveTopology.TriangleList;
pso.GraphicsPipeline.NumRenderTargets = 1;
pso.GraphicsPipeline.setRTVFormat(0, formats.color);
pso.GraphicsPipeline.DSVFormat = formats.depth;
pso.ResourceLayout.DefaultVariableType = ShaderResourceVariableType.Static;
var compiler = device.GetShaderFactory();
iStorageFolder assets = StorageFolder.embeddedResources(System.Reflection.Assembly.GetExecutingAssembly(), resourceFolder);
using (var psf = device.CreatePipelineStateFactory())
{
psf.setName("Video PSO");
setupVideoInputLayout(psf);
using (var vs = compiler.compileHlslFile(assets, "VideoVS.hlsl", ShaderType.Vertex))
psf.graphicsVertexShader(vs);
(string uvMin, string uvMax) = videoUvCroppedRect(ref videoSize);
string colorString = Utils.printFloat4(borderColor);
using (var ps = compilePixelShader(compiler, assets, uvMin, uvMax, colorString))
psf.graphicsPixelShader(ps);
psf.layoutVariable(ShaderType.Pixel, ShaderResourceVariableType.Dynamic, varTexture);
var sampler = new SamplerDesc(false)
{
MipFilter = FilterType.Point,
};
psf.layoutStaticSampler(ShaderType.Pixel, ref sampler, varTexture);
psf.apply(ref pso);
pipelineState = device.CreatePipelineState(ref pso);
}
// Create resource binding and cache the variable, we gonna need both on every frame rendered
binding = pipelineState.CreateShaderResourceBinding(true);
textureVariable = binding.GetVariableByName(ShaderType.Pixel, varTexture);
}
public VrmacStateBase(GpuResources resources, IRenderDevice device, ref PipelineStateDesc desc, iPipelineStateFactory stateFactory, eShaderMacros macros)
{
this.resources = resources;
shaderMacros = macros;
layoutUniforms(stateFactory);
stateFactory.setName($"2D state { macros }");
stateFactory.layoutVariable(ShaderType.Vertex, ShaderResourceVariableType.Mutable, varPaletteTexture);
stateFactory.layoutVariable(ShaderType.Pixel, ShaderResourceVariableType.Mutable, varPaletteTexture);
if (macros.HasFlag(eShaderMacros.TextureAtlas))
{
stateFactory.layoutVariable(ShaderType.Pixel, ShaderResourceVariableType.Mutable, varSpriteAtlas);
SamplerDesc samplerDesc = new SamplerDesc(false);
stateFactory.layoutStaticSampler(ShaderType.Pixel, ref samplerDesc, varSpriteAtlas);
resources.context.drawDevice.textureAtlas.resized.add(this, dropResourceBindings);
}
if (macros.HasFlag(eShaderMacros.TextRendering))
{
stateFactory.layoutVariable(ShaderType.Pixel, ShaderResourceVariableType.Mutable, varGrayscaleFontAtlas);
SamplerDesc samplerDesc = new SamplerDesc(false);
stateFactory.layoutStaticSampler(ShaderType.Pixel, ref samplerDesc, varGrayscaleFontAtlas);
stateFactory.layoutVariable(ShaderType.Pixel, ShaderResourceVariableType.Mutable, varCleartypeFontAtlas);
resources.initTextCBuffer();
}
declareResources(stateFactory);
stateFactory.apply(ref desc);
setupDepthState(ref desc, macros);
pipelineState = device.CreatePipelineState(ref desc);
resources.context.swapChainResized.add(this, (CSize s, double d) => dropResourceBindings());
resources.paletteTexture.textureResized.add(this, dropResourceBindings);
}
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 override SamplerState CreateSamplerState(SamplerDesc desc)
{
throw new NotImplementedException();
}
internal static global::System.Runtime.InteropServices.HandleRef getCPtr(SamplerDesc obj)
{
return((obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr);
}
