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 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 void compileShaders(IRenderDevice device, iPipelineStateFactory stateFactory, string name, eShaderMacros macros)
{
var compiler = device.GetShaderFactory();
iStorageFolder src = StorageFolder.embeddedResources(System.Reflection.Assembly.GetExecutingAssembly(), resourceFolder);
var defines = macros.defines().ToArray();
stateFactory.graphicsVertexShader(compiler.compileShader(src, name, ShaderType.Vertex, defines));
stateFactory.graphicsPixelShader(compiler.compileShader(src, name, ShaderType.Pixel, defines));
}
void layoutUniforms(iPipelineStateFactory stateFactory)
{
// See #if preprocessor expression in utils.hlsli around that buffer
bool hasConstants = !shaderMacros.HasFlag(eShaderMacros.OpaquePass) || shaderMacros.HasFlag(eShaderMacros.TextRendering);
if (hasConstants)
{
stateFactory.layoutVariable(ShaderType.Vertex, ShaderResourceVariableType.Mutable, varStaticConstantsBuffer);
stateFactory.layoutVariable(ShaderType.Pixel, ShaderResourceVariableType.Mutable, varStaticConstantsBuffer);
}
}
/// <summary>Define input layout for the vertex shader</summary>
public static void setupVideoInputLayout(iPipelineStateFactory stateFactory)
{
// Attribute 0 - vertex position
LayoutElement elt = new LayoutElement(false)
{
NumComponents = 2,
IsNormalized = false
};
stateFactory.graphicsLayoutElement(elt);
// Attribute 1 - texture coordinates
elt.InputIndex = 1;
stateFactory.graphicsLayoutElement(elt);
}
// Setup VS input layout for sVertexWithId structure: float2 position, uint id
static void setupIdLayout(iPipelineStateFactory stateFactory)
{
LayoutElement elt = new LayoutElement(false)
{
InputIndex = 0,
BufferSlot = 0,
NumComponents = 2,
ValueType = GpuValueType.Float32,
IsNormalized = false
};
stateFactory.graphicsLayoutElement(elt);
elt.InputIndex = 1;
elt.NumComponents = 1;
elt.ValueType = GpuValueType.Uint32;
stateFactory.graphicsLayoutElement(elt);
}
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 Blender(Context context, IRenderDevice device, byte samplesCount)
{
PipelineStateDesc desc = new PipelineStateDesc(false);
desc.setBufferFormats(context);
desc.premultipliedAlphaBlending();
desc.GraphicsPipeline.PrimitiveTopology = PrimitiveTopology.TriangleList;
desc.GraphicsPipeline.RasterizerDesc.CullMode = CullMode.None;
desc.GraphicsPipeline.DepthStencilDesc.DepthEnable = false;
iShaderFactory shaderFactory = device.GetShaderFactory();
iStorageFolder assets = StorageFolder.embeddedResources(Assembly.GetExecutingAssembly(), resourceSubfolder);
using (iPipelineStateFactory stateFactory = device.CreatePipelineStateFactory())
{
stateFactory.layoutVariable(ShaderType.Pixel, ShaderResourceVariableType.Mutable, textureVarName);
stateFactory.graphicsVertexShader(shaderFactory.compileShader(assets, "Blend", ShaderType.Vertex));
ShaderSourceInfo ssi;
string src;
if (RuntimeEnvironment.operatingSystem == eOperatingSystem.Windows)
{
ssi = new ShaderSourceInfo(ShaderType.Pixel, ShaderSourceLanguage.Hlsl);
src = "BlendPS.hlsl";
}
else
{
ssi = new ShaderSourceInfo(ShaderType.Pixel, ShaderSourceLanguage.Glsl);
ssi.combinedTextureSamplers = true;
src = "BlendPS.glsl";
}
string name = $"BlendPS { samplesCount }x";
var ps = shaderFactory.compileFromFile(assets, src, ssi, name, shaderMacros(samplesCount));
stateFactory.graphicsPixelShader(ps);
stateFactory.apply(ref desc);
pipelineState = device.CreatePipelineState(ref desc);
}
this.samplesCount = samplesCount;
}
/// <summary>Construct the object and create the required GPU resources</summary>
public CursorRenderer(Context context, IRenderDevice device)
{
this.context = context;
vertexBuffer = createVertexBuffer(device);
iShaderFactory shaderFactory = device.GetShaderFactory();
iStorageFolder assets = StorageFolder.embeddedResources(Assembly.GetExecutingAssembly(), resourceFolder);
IShader vs = shaderFactory.compileHlslFile(assets, "CursorVS.hlsl", ShaderType.Vertex);
using (iPipelineStateFactory stateFactory = device.CreatePipelineStateFactory())
{
staticCursor = new StaticCursor(context, device, stateFactory, shaderFactory, assets, vs);
animatedCursor = new AnimatedCursor(context, device, stateFactory, shaderFactory, assets);
monochromeCursor = new MonoCursor(context, device, stateFactory, shaderFactory, assets, vs);
}
cursorPosition.setWindowSize(context.swapChainSize);
// Subscribe to the resized event
context.swapChainResized.add(this, onSwapChainResized);
}
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;
}
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);
}
protected override void createResources(IRenderDevice device)
{
// Diligent Engine can use HLSL source on all supported platforms.
// It will convert HLSL to GLSL in OpenGL mode, while Vulkan backend will compile it directly to SPIRV.
string VSSource = @"
struct PSInput
{
float4 Pos : SV_POSITION;
float3 Color : COLOR;
};
void main( in uint VertId : SV_VertexID, out PSInput PSIn )
{
float4 Pos[3];
Pos[0] = float4(-0.5, -0.5, 0.0, 1.0);
Pos[1] = float4( 0.0, +0.5, 0.0, 1.0);
Pos[2] = float4(+0.5, -0.5, 0.0, 1.0);
float3 Col[3];
Col[0] = float3(1.0, 0.0, 0.0); // red
Col[1] = float3(0.0, 1.0, 0.0); // green
Col[2] = float3(0.0, 0.0, 1.0); // blue
PSIn.Pos = Pos[VertId];
PSIn.Color = Col[VertId];
}";
string PSSource = @"
struct PSInput
{
float4 Pos : SV_POSITION;
float3 Color : COLOR;
};
struct PSOutput
{
float4 Color : SV_TARGET;
};
void main( in PSInput PSIn, out PSOutput PSOut )
{
PSOut.Color = float4(PSIn.Color.rgb, 1.0);
}
";
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;
// No back face culling for this tutorial
PSODesc.GraphicsPipeline.RasterizerDesc.CullMode = CullMode.None;
// Disable depth testing
PSODesc.GraphicsPipeline.DepthStencilDesc.DepthEnable = false;
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())
{
// Compile the two shaders
ShaderSourceInfo sourceInfo = new ShaderSourceInfo(ShaderType.Vertex, ShaderSourceLanguage.Hlsl);
sourceInfo.combinedTextureSamplers = true; // This appears to be the requirement of OpenGL backend.
using (var vs = shaderFactory.compileFromSource(VSSource, sourceInfo))
stateFactory.graphicsVertexShader(vs);
sourceInfo.shaderType = ShaderType.Pixel;
using (var ps = shaderFactory.compileFromSource(PSSource, sourceInfo))
stateFactory.graphicsPixelShader(ps);
stateFactory.apply(ref PSODesc);
pipelineState = device.CreatePipelineState(ref PSODesc);
}
}
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);
}
/// <summary>Append an element to input layout vector, the semantic name will be "ATTRIB".</summary>
/// <remarks>Default value ("ATTRIB") allows HLSL shaders to be converted to GLSL and used in OpenGL backend as well as compiled to SPIRV and used in Vulkan backend.
/// Any value other than default will only work in Direct3D11 and Direct3D12 backends.</remarks>
public static void graphicsLayoutElement(this iPipelineStateFactory psf, LayoutElement elt)
{
psf.graphicsLayoutElement(null, ref elt);
}
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 FewDrawCallsState(GpuResources res, IRenderDevice device, ref PipelineStateDesc desc, iPipelineStateFactory stateFactory, eShaderMacros macros) :
base(res, device, ref desc, stateFactory, macros)
{
constantBuffer = res.fewDrawCalls;
pipelineState.GetStaticVariableByName(ShaderType.Vertex, "DrawCallsCBuffer").Set(constantBuffer);
}
protected override void declareResources(iPipelineStateFactory stateFactory)
{
base.declareResources(stateFactory);
stateFactory.layoutVariable(ShaderType.Vertex, ShaderResourceVariableType.Mutable, bufferVarName);
}
public MoreDrawCallsState(GpuResources res, IRenderDevice device, ref PipelineStateDesc desc, iPipelineStateFactory stateFactory, eShaderMacros macros) :
base(res, device, ref desc, stateFactory, macros)
{
drawCallsBuffer = res.moreDrawCalls;
drawCallsBuffer.resized.add(this, (DynamicBuffer buffer, int capacity) => dropResourceBindings());
}
public static void initState(iPipelineStateFactory stateFactory, iShaderFactory shaderFactory, iStorageFolder assets, string vs, string ps, string name)
{
using (var shader = shaderFactory.compileHlslFile(assets, vs, ShaderType.Vertex, name + " VS"))
initState(stateFactory, shaderFactory, assets, shader, ps, name);
}
protected virtual void declareResources(iPipelineStateFactory stateFactory)
{
}
