public override void SetResourceSet(uint slot, ResourceSet rs)
{
if (_resourceSets[slot] == rs)
{
return;
}
D3D11ResourceSet d3d11RS = Util.AssertSubtype <ResourceSet, D3D11ResourceSet>(rs);
_resourceSets[slot] = d3d11RS;
int cbBase = GetConstantBufferBase(slot);
int textureBase = GetTextureBase(slot);
int samplerBase = GetSamplerBase(slot);
D3D11ResourceLayout layout = d3d11RS.Layout;
BindableResource[] resources = d3d11RS.Resources;
for (int i = 0; i < resources.Length; i++)
{
BindableResource resource = resources[i];
D3D11ResourceLayout.ResourceBindingInfo rbi = layout.GetDeviceSlotIndex(i);
if (resource is D3D11UniformBuffer ub)
{
BindUniformBuffer(ub, cbBase + rbi.Slot, rbi.Stages);
}
else if (resource is D3D11TextureView texView)
{
BindTextureView(texView, textureBase + rbi.Slot, rbi.Stages);
}
else if (resource is D3D11Sampler sampler)
{
BindSampler(sampler, samplerBase + rbi.Slot, rbi.Stages);
}
}
}
private List <IDisposable> createTransformationPipelineUniform()
{
_transformationPipelineBuffer = _factory.CreateBuffer(new BufferDescription(192, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
ResourceLayoutElementDescription resourceLayoutElementDescription = new ResourceLayoutElementDescription("transformPipeline", ResourceKind.UniformBuffer, ShaderStages.Vertex);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptions = { resourceLayoutElementDescription };
ResourceLayoutDescription resourceLayoutDescription = new ResourceLayoutDescription(resourceLayoutElementDescriptions);
BindableResource[] bindableResources = new BindableResource[] { _transformationPipelineBuffer };
_transformationPipelineResourceLayout = _factory.CreateResourceLayout(resourceLayoutDescription);
ResourceSetDescription resourceSetDescription = new ResourceSetDescription(_transformationPipelineResourceLayout, bindableResources);
_transformationPipelineResourceSet = _factory.CreateResourceSet(resourceSetDescription);
//_graphicsDevice.UpdateBuffer(_transformationPipelineBuffer,0,_camera.ViewMatrix);
GraphicsDevice.UpdateBuffer(_transformationPipelineBuffer, 64, Camera.ProjectionMatrix);
return(new List <IDisposable>()
{
_transformationPipelineBuffer,
_transformationPipelineResourceLayout,
_transformationPipelineResourceSet
});
}
public ResourceSetCache(ResourceFactory resourceFactory)
{
_factory = resourceFactory;
_cache = new Dictionary <ResourceSetKey, CacheEntry>(512);
_entriesToEvict = new List <ResourceSetKey>();
_array1 = new BindableResource[1];
_array2 = new BindableResource[2];
_array3 = new BindableResource[3];
_array4 = new BindableResource[4];
}
public static DeviceBufferRange GetBufferRange(BindableResource resource, uint additionalOffset)
{
if (resource is DeviceBufferRange range)
{
return(new DeviceBufferRange(range.Buffer, range.Offset + additionalOffset, range.SizeInBytes));
}
else
{
DeviceBuffer buffer = (DeviceBuffer)resource;
return(new DeviceBufferRange(buffer, additionalOffset, buffer.SizeInBytes));
}
}
private void ActivateResourceSet(uint slot, D3D11ResourceSet d3d11RS, bool graphics)
{
int cbBase = GetConstantBufferBase(slot, graphics);
int uaBase = GetUnorderedAccessBase(slot, graphics);
int textureBase = GetTextureBase(slot, graphics);
int samplerBase = GetSamplerBase(slot, graphics);
D3D11ResourceLayout layout = d3d11RS.Layout;
BindableResource[] resources = d3d11RS.Resources;
for (int i = 0; i < resources.Length; i++)
{
BindableResource resource = resources[i];
D3D11ResourceLayout.ResourceBindingInfo rbi = layout.GetDeviceSlotIndex(i);
switch (rbi.Kind)
{
case ResourceKind.UniformBuffer:
D3D11Buffer uniformBuffer = Util.AssertSubtype <BindableResource, D3D11Buffer>(resource);
BindUniformBuffer(uniformBuffer, cbBase + rbi.Slot, rbi.Stages);
break;
case ResourceKind.StructuredBufferReadOnly:
D3D11Buffer storageBufferRO = Util.AssertSubtype <BindableResource, D3D11Buffer>(resource);
BindStorageBufferView(storageBufferRO, textureBase + rbi.Slot, rbi.Stages);
break;
case ResourceKind.StructuredBufferReadWrite:
D3D11Buffer storageBuffer = Util.AssertSubtype <BindableResource, D3D11Buffer>(resource);
BindUnorderedAccessView(null, storageBuffer.UnorderedAccessView, uaBase + rbi.Slot, rbi.Stages, slot);
break;
case ResourceKind.TextureReadOnly:
D3D11TextureView texView = Util.AssertSubtype <BindableResource, D3D11TextureView>(resource);
UnbindUAVTexture(texView.Target);
BindTextureView(texView, textureBase + rbi.Slot, rbi.Stages, slot);
break;
case ResourceKind.TextureReadWrite:
D3D11TextureView rwTexView = Util.AssertSubtype <BindableResource, D3D11TextureView>(resource);
UnbindSRVTexture(rwTexView.Target);
BindUnorderedAccessView(rwTexView.Target, rwTexView.UnorderedAccessView, uaBase + rbi.Slot, rbi.Stages, slot);
break;
case ResourceKind.Sampler:
D3D11Sampler sampler = Util.AssertSubtype <BindableResource, D3D11Sampler>(resource);
BindSampler(sampler, samplerBase + rbi.Slot, rbi.Stages);
break;
default: throw Illegal.Value <ResourceKind>();
}
}
}
public void SetData(BindableResource resource)
{
if (resource == null)
{
throw new ArgumentNullException(nameof(resource));
}
if (!_cachedResourceSets.TryGetValue(resource, out var result))
{
_cachedResourceSets.Add(resource, result = AddDisposable(_graphicsDevice.ResourceFactory.CreateResourceSet(
new ResourceSetDescription(Parameter.ResourceLayout, resource))));
}
Data = result;
}
private void CreateSizeDependentResources()
{
renderTargetColorTexture = factory.CreateTexture(TextureDescription.Texture2D(
width, height, 1, 1,
PixelFormat.R8_G8_B8_A8_UNorm, TextureUsage.RenderTarget | TextureUsage.Sampled));
renderTargetColorTextureView = factory.CreateTextureView(renderTargetColorTexture);
renderTargetDepthTexture = factory.CreateTexture(TextureDescription.Texture2D(
width, height, 1, 1, PixelFormat.R32_Float, TextureUsage.DepthStencil));
renderTargetFramebuffer = factory.CreateFramebuffer(new FramebufferDescription(renderTargetDepthTexture, renderTargetColorTexture));
// final render pipeline
ResourceLayoutElementDescription[] layoutDescriptions = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("ScreenMap", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("ScreenMapSampler", ResourceKind.Sampler, ShaderStages.Fragment),
};
BindableResource[] bindableResources = new BindableResource[]
{
renderTargetColorTextureView,
graphicsDevice.PointSampler,
};
resourceLayout = factory.CreateResourceLayout(new ResourceLayoutDescription(layoutDescriptions));
pipeline = factory.CreateGraphicsPipeline(
new GraphicsPipelineDescription(
BlendStateDescription.SingleOverrideBlend,
new DepthStencilStateDescription(
depthTestEnabled: false,
depthWriteEnabled: false,
comparisonKind: ComparisonKind.Always),
new RasterizerStateDescription(
cullMode: FaceCullMode.Back,
fillMode: PolygonFillMode.Solid,
frontFace: FrontFace.Clockwise,
depthClipEnabled: false,
scissorTestEnabled: false),
PrimitiveTopology.TriangleList,
new ShaderSetDescription(
vertexLayouts: new VertexLayoutDescription[] {
new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float3)
)
},
shaders: CreateShaders(finalVertexCode, finalFragmentCode)),
new ResourceLayout[] { resourceLayout },
swapchain.Framebuffer.OutputDescription)
);
resourceSet = factory.CreateResourceSet(new ResourceSetDescription(resourceLayout, bindableResources));
}
internal static TextureView GetTextureView(GraphicsDevice gd, BindableResource resource)
{
if (resource is TextureView view)
{
return(view);
}
else if (resource is Texture tex)
{
return(tex.GetFullTextureView(gd));
}
else
{
throw new VeldridException(
$"Unexpected resource type. Expected Texture or TextureView but found {resource.GetType().Name}");
}
}
public static bool GetDeviceBuffer(BindableResource resource, out DeviceBuffer buffer)
{
if (resource is DeviceBuffer db)
{
buffer = db;
return(true);
}
else if (resource is DeviceBufferRange range)
{
buffer = range.Buffer;
return(true);
}
buffer = null;
return(false);
}
public void SetProperty(string name, BindableResource resource)
{
var property = EnsureProperty(name);
if (resource == null)
{
switch (property.Parameter.ResourceBinding.Type)
{
case ResourceKind.StructuredBufferReadOnly:
resource = _contentManager.GetNullStructuredBuffer(property.Parameter.ResourceBinding.Size);
break;
default:
throw new InvalidOperationException();
}
}
property.SetData(resource);
}
public void RegenerateDescriptorTables()
{
Renderer.AddBackgroundUploadTask((d, cl) =>
{
lock (_allocationLock)
{
if (TextureCount == 0)
{
return;
}
if (_poolLayout != null)
{
//_poolLayout.Dispose();
}
if (_poolResourceSet != null)
{
_poolResourceSet.Dispose();
}
//var layoutdesc = new ResourceLayoutDescription(
// new ResourceLayoutElementDescription(_resourceName, ResourceKind.TextureReadOnly, ShaderStages.Fragment, TextureCount));
//_poolLayout = d.ResourceFactory.CreateResourceLayout(layoutdesc);
BindableResource[] resources = new BindableResource[TextureCount];
for (int i = 0; i < TextureCount; i++)
{
if (i >= _handles.Count)
{
resources[i] = _handles[0]._texture;
continue;
}
resources[i] = _handles[i]._texture;
if (_handles[i]._texture == null)
{
resources[i] = _handles[0]._texture;
}
}
_poolResourceSet = d.ResourceFactory.CreateResourceSet(new ResourceSetDescription(_poolLayout, resources));
DescriptorTableDirty = false;
}
});
}
public void SetProperty(string name, BindableResource resource)
{
var property = EnsureProperty(name);
if (resource == null)
{
switch (property.Parameter.ResourceBinding.Kind)
{
case ResourceKind.StructuredBufferReadOnly:
resource = _contentManager.GetNullStructuredBuffer(property.Parameter.ResourceBinding.Type.Size);
break;
case ResourceKind.TextureReadOnly:
case ResourceKind.TextureReadWrite:
// TODO: This only supports Texture2D shader parameters.
resource = _contentManager.NullTexture;
break;
default:
throw new InvalidOperationException();
}
}
property.SetData(resource);
}
private static void ValidateResourceKind(ResourceKind kind, BindableResource resource, uint slot)
{
switch (kind)
{
case ResourceKind.UniformBuffer:
{
if (!Util.GetDeviceBuffer(resource, out DeviceBuffer b) ||
(b.Usage & BufferUsage.UniformBuffer) == 0)
{
throw new VeldridException(
$"Resource in slot {slot} does not match {nameof(ResourceKind)}.{kind} specified in the {nameof(ResourceLayout)}. " +
$"It must be a {nameof(DeviceBuffer)} or {nameof(DeviceBufferRange)} with {nameof(BufferUsage)}.{nameof(BufferUsage.UniformBuffer)}.");
}
break;
}
case ResourceKind.StructuredBufferReadOnly:
{
if (!Util.GetDeviceBuffer(resource, out DeviceBuffer b) ||
(b.Usage & (BufferUsage.StructuredBufferReadOnly | BufferUsage.StructuredBufferReadWrite)) == 0)
{
throw new VeldridException(
$"Resource in slot {slot} does not match {nameof(ResourceKind)}.{kind} specified in the {nameof(ResourceLayout)}. It must be a {nameof(DeviceBuffer)} with {nameof(BufferUsage)}.{nameof(BufferUsage.StructuredBufferReadOnly)}.");
}
break;
}
case ResourceKind.StructuredBufferReadWrite:
{
if (!Util.GetDeviceBuffer(resource, out DeviceBuffer b) ||
(b.Usage & BufferUsage.StructuredBufferReadWrite) == 0)
{
throw new VeldridException(
$"Resource in slot {slot} does not match {nameof(ResourceKind)} specified in the {nameof(ResourceLayout)}. It must be a {nameof(DeviceBuffer)} with {nameof(BufferUsage)}.{nameof(BufferUsage.StructuredBufferReadWrite)}.");
}
break;
}
case ResourceKind.TextureReadOnly:
{
if (!(resource is TextureView tv && (tv.Target.Usage & TextureUsage.Sampled) != 0) &&
!(resource is Texture t && (t.Usage & TextureUsage.Sampled) != 0))
{
throw new VeldridException(
$"Resource in slot {slot} does not match {nameof(ResourceKind)}.{kind} specified in the " +
$"{nameof(ResourceLayout)}. It must be a {nameof(Texture)} or {nameof(TextureView)} whose target " +
$"has {nameof(TextureUsage)}.{nameof(TextureUsage.Sampled)}.");
}
break;
}
case ResourceKind.TextureReadWrite:
{
if (!(resource is TextureView tv && (tv.Target.Usage & TextureUsage.Storage) != 0) &&
!(resource is Texture t && (t.Usage & TextureUsage.Storage) != 0))
{
throw new VeldridException(
$"Resource in slot {slot} does not match {nameof(ResourceKind)}.{kind} specified in the " +
$"{nameof(ResourceLayout)}. It must be a {nameof(Texture)} or {nameof(TextureView)} whose target " +
$"has {nameof(TextureUsage)}.{nameof(TextureUsage.Storage)}.");
}
break;
}
case ResourceKind.Sampler:
{
if (!(resource is Sampler s))
{
throw new VeldridException(
$"Resource in slot {slot} does not match {nameof(ResourceKind)}.{kind} specified in the {nameof(ResourceLayout)}. It must be a {nameof(Sampler)}.");
}
break;
}
default:
throw Illegal.Value <ResourceKind>();
}
}
// TODO: Abstract Resource Crreation for Uniforms, Vertex Layouts, Disposing
override protected void CreateResources()
{
RgbaFloat lightColor = RgbaFloat.LightGrey;
var lightLookAt = new Vector4(0, 0, 0, 1);
var lightCam = new OrthographicCamera(35, 35, Light.DEFAULT_POSITION, lightLookAt);
_sceneRuntimeState.Light = new Light(lightCam, lightColor, 0.1f);
// string filePath = Path.Combine(AppContext.BaseDirectory, "Models/sphere.obj");
//string filePath = Path.Combine(AppContext.BaseDirectory, "Models/300_polygon_sphere_100mm.STL");
// string filePath = "Models/sphere_centered.obj";
string filePath = "Models/chinesedragon.dae";
// string filePath = "Models/Box.dae";
_model = AssimpLoader.LoadFromFileWithRealtimeMaterial <VertexPositionNormal>(AppContext.BaseDirectory, filePath, VertexPositionNormal.HenzaiType);
//GeometryUtils.GenerateSphericalTextureCoordinatesFor(_model.meshes[0]);
/// Uniform 1 - Camera
_cameraProjViewBuffer = _factory.CreateBuffer(new BufferDescription(Camera.SizeInBytes, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
var resourceLayoutElementDescription = new ResourceLayoutElementDescription("projViewWorld", ResourceKind.UniformBuffer, ShaderStages.Vertex);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptions = { resourceLayoutElementDescription };
var resourceLayoutDescription = new ResourceLayoutDescription(resourceLayoutElementDescriptions);
BindableResource[] bindableResources = new BindableResource[] { _cameraProjViewBuffer };
_cameraResourceLayout = _factory.CreateResourceLayout(resourceLayoutDescription);
var resourceSetDescription = new ResourceSetDescription(_cameraResourceLayout, bindableResources);
_cameraResourceSet = _factory.CreateResourceSet(resourceSetDescription);
// Uniform 2 - Material
_materialBuffer = _factory.CreateBuffer(new BufferDescription(RealtimeMaterial.SizeInBytes, BufferUsage.UniformBuffer));
var resourceLayoutElementDescriptionMaterial = new ResourceLayoutElementDescription("material", ResourceKind.UniformBuffer, ShaderStages.Fragment);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptionsMaterial = { resourceLayoutElementDescriptionMaterial };
var resourceLayoutDescriptionMaterial = new ResourceLayoutDescription(resourceLayoutElementDescriptionsMaterial);
BindableResource[] bindableResourcesMaterial = new BindableResource[] { _materialBuffer };
_materialResourceLayout = _factory.CreateResourceLayout(resourceLayoutDescriptionMaterial);
var resourceSetDescriptionMaterial = new ResourceSetDescription(_materialResourceLayout, bindableResourcesMaterial);
_materialResourceSet = _factory.CreateResourceSet(resourceSetDescriptionMaterial);
// Uniform 3 - Light
_lightBuffer = _factory.CreateBuffer(new BufferDescription(Light.SizeInBytes, BufferUsage.UniformBuffer));
var resourceLayoutElementDescriptionLight = new ResourceLayoutElementDescription("light", ResourceKind.UniformBuffer, ShaderStages.Fragment);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptionsLight = { resourceLayoutElementDescriptionLight };
var resourceLayoutDescriptionLight = new ResourceLayoutDescription(resourceLayoutElementDescriptionsLight);
BindableResource[] bindableResourcesLight = new BindableResource[] { _lightBuffer };
_lightResourceLayout = _factory.CreateResourceLayout(resourceLayoutDescriptionLight);
var resourceSetDescriptionLight = new ResourceSetDescription(_lightResourceLayout, bindableResourcesLight);
_lightResourceSet = _factory.CreateResourceSet(resourceSetDescriptionLight);
for (int i = 0; i < _model.MeshCount; i++)
{
var mesh = _model.GetMesh(i);
DeviceBuffer vertexBuffer
= _factory.CreateBuffer(new BufferDescription(mesh.Vertices.LengthUnsigned() * VertexPositionNormal.SizeInBytes, BufferUsage.VertexBuffer));
DeviceBuffer indexBuffer
= _factory.CreateBuffer(new BufferDescription(mesh.Indices.LengthUnsigned() * sizeof(ushort), BufferUsage.IndexBuffer));
_vertexBuffers.Add(vertexBuffer);
_indexBuffers.Add(indexBuffer);
GraphicsDevice.UpdateBuffer(vertexBuffer, 0, mesh.Vertices);
GraphicsDevice.UpdateBuffer(indexBuffer, 0, mesh.Indices);
}
VertexLayoutDescription vertexLayout
= new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.Position, VertexElementFormat.Float3),
new VertexElementDescription("Normal", VertexElementSemantic.Normal, VertexElementFormat.Float3)
//new VertexElementDescription("UV",VertexElementSemantic.TextureCoordinate,VertexElementFormat.Float2)
);
_vertexShader = IO.LoadShader("Phong", ShaderStages.Vertex, GraphicsDevice);
_fragmentShader = IO.LoadShader("Phong", ShaderStages.Fragment, GraphicsDevice);
GraphicsPipelineDescription pipelineDescription = new GraphicsPipelineDescription()
{
BlendState = BlendStateDescription.SingleOverrideBlend,
DepthStencilState = DepthStencilStateDescription.DepthOnlyLessEqual,
RasterizerState = new RasterizerStateDescription(
cullMode: FaceCullMode.Back,
fillMode: PolygonFillMode.Solid, // Wireframe doesnt seem to work with metal
frontFace: FrontFace.Clockwise,
depthClipEnabled: true,
scissorTestEnabled: false
),
PrimitiveTopology = PrimitiveTopology.TriangleList,
//ResourceLayouts = new ResourceLayout[] {_cameraResourceLayout,_materialResourceLayout,_lightResourceLayout},
ResourceLayouts = new ResourceLayout[] { _cameraResourceLayout, _lightResourceLayout, _materialResourceLayout },
ShaderSet = new ShaderSetDescription(
vertexLayouts: new VertexLayoutDescription[] { vertexLayout },
shaders: new Shader[] { _vertexShader, _fragmentShader }
),
Outputs = GraphicsDevice.SwapchainFramebuffer.OutputDescription
};
_pipeline = _factory.CreateGraphicsPipeline(pipelineDescription);
}
private void ValidateResourceKind(ResourceKind kind, BindableResource resource, uint slot)
{
switch (kind)
{
case ResourceKind.UniformBuffer:
{
if (!(resource is DeviceBuffer b && (b.Usage & BufferUsage.UniformBuffer) == BufferUsage.UniformBuffer))
{
throw new VeldridException(
$"Resource in slot {slot} does not match {nameof(ResourceKind)}.{kind} specified in the {nameof(ResourceLayout)}. It must be a {nameof(DeviceBuffer)} with {nameof(BufferUsage)}.{nameof(BufferUsage.UniformBuffer)}.");
}
break;
}
case ResourceKind.StructuredBufferReadOnly:
{
if (!(resource is DeviceBuffer b &&
(b.Usage & (BufferUsage.StructuredBufferReadOnly | BufferUsage.StructuredBufferReadWrite)) != 0))
{
throw new VeldridException(
$"Resource in slot {slot} does not match {nameof(ResourceKind)}.{kind} specified in the {nameof(ResourceLayout)}. It must be a {nameof(DeviceBuffer)} with {nameof(BufferUsage)}.{nameof(BufferUsage.StructuredBufferReadOnly)}.");
}
break;
}
case ResourceKind.StructuredBufferReadWrite:
{
if (!(resource is DeviceBuffer b && (b.Usage & BufferUsage.StructuredBufferReadWrite) == BufferUsage.StructuredBufferReadWrite))
{
throw new VeldridException(
$"Resource in slot {slot} does not match {nameof(ResourceKind)} specified in the {nameof(ResourceLayout)}. It must be a {nameof(DeviceBuffer)} with {nameof(BufferUsage)}.{nameof(BufferUsage.StructuredBufferReadWrite)}.");
}
break;
}
case ResourceKind.TextureReadOnly:
{
if (!(resource is TextureView tv && (tv.Target.Usage & TextureUsage.Sampled) == TextureUsage.Sampled))
{
throw new VeldridException(
$"Resource in slot {slot} does not match {nameof(ResourceKind)}.{kind} specified in the {nameof(ResourceLayout)}. It must be a {nameof(TextureView)} whose target has {nameof(TextureUsage)}.{nameof(TextureUsage.Sampled)}.");
}
break;
}
case ResourceKind.TextureReadWrite:
{
if (!(resource is TextureView tv && (tv.Target.Usage & TextureUsage.Storage) == TextureUsage.Storage))
{
throw new VeldridException(
$"Resource in slot {slot} does not match {nameof(ResourceKind)}.{kind} specified in the {nameof(ResourceLayout)}. It must be a {nameof(TextureView)} whose target has {nameof(TextureUsage)}.{nameof(TextureUsage.Storage)}.");
}
break;
}
case ResourceKind.Sampler:
{
if (!(resource is Sampler s))
{
throw new VeldridException(
$"Resource in slot {slot} does not match {nameof(ResourceKind)}.{kind} specified in the {nameof(ResourceLayout)}. It must be a {nameof(Sampler)}.");
}
break;
}
default:
Debug.Fail($"Unexpected ResourceKind: {kind}.");
break;
}
}
override protected void CreateResources()
{
_cameraProjViewBuffer = _factory.CreateBuffer(new BufferDescription(Camera.SizeInBytes, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
ResourceLayoutElementDescription resourceLayoutElementDescription = new ResourceLayoutElementDescription("projView", ResourceKind.UniformBuffer, ShaderStages.Vertex);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptions = { resourceLayoutElementDescription };
ResourceLayoutDescription resourceLayoutDescription = new ResourceLayoutDescription(resourceLayoutElementDescriptions);
BindableResource[] bindableResources = new BindableResource[] { _cameraProjViewBuffer };
_resourceLayout = _factory.CreateResourceLayout(resourceLayoutDescription);
ResourceSetDescription resourceSetDescription = new ResourceSetDescription(_resourceLayout, bindableResources);
_cameraResourceSet = _factory.CreateResourceSet(resourceSetDescription);
ImageSharpTexture NameImage = new ImageSharpTexture(Path.Combine(AppContext.BaseDirectory, "Textures", "Name.png"));
Texture cubeTexture = NameImage.CreateDeviceTexture(GraphicsDevice, _factory);
TextureView cubeTextureView = _factory.CreateTextureView(cubeTexture);
ResourceLayout textureLayout = _factory.CreateResourceLayout(
new ResourceLayoutDescription(
new ResourceLayoutElementDescription("Texture", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("Sampler", ResourceKind.Sampler, ShaderStages.Fragment)));
_textureResourceSet = _factory.CreateResourceSet(new ResourceSetDescription(
textureLayout,
cubeTextureView,
GraphicsDevice.LinearSampler));
Mesh <VertexPositionTexture> texturedCube
= GeometryFactory.GenerateTexturedCube(false);
ushort[] cubeIndicies = GeometryFactory.generateCubeIndicies_TriangleList_CW();
// declare (VBO) buffers
_vertexBuffer
= _factory.CreateBuffer(new BufferDescription(texturedCube.Vertices.LengthUnsigned() * VertexPositionTexture.SizeInBytes, BufferUsage.VertexBuffer));
_indexBuffer
= _factory.CreateBuffer(new BufferDescription(cubeIndicies.LengthUnsigned() * sizeof(ushort), BufferUsage.IndexBuffer));
// fill buffers with data
GraphicsDevice.UpdateBuffer(_vertexBuffer, 0, texturedCube.Vertices);
GraphicsDevice.UpdateBuffer(_indexBuffer, 0, cubeIndicies);
//graphicsDevice.UpdateBuffer(_cameraProjViewBuffer,0,camera.ViewMatrix);
//graphicsDevice.UpdateBuffer(_cameraProjViewBuffer,64,camera.ProjectionMatrix);
VertexLayoutDescription vertexLayout
= new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.Position, VertexElementFormat.Float3),
new VertexElementDescription("UV", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float2)
);
_vertexShader = IO.LoadShader("Texture", ShaderStages.Vertex, GraphicsDevice);
_fragmentShader = IO.LoadShader("Texture", ShaderStages.Fragment, GraphicsDevice);
GraphicsPipelineDescription pipelineDescription = new GraphicsPipelineDescription()
{
BlendState = BlendStateDescription.SingleOverrideBlend,
DepthStencilState = DepthStencilStateDescription.DepthOnlyLessEqual,
RasterizerState = new RasterizerStateDescription(
cullMode: FaceCullMode.Back,
fillMode: PolygonFillMode.Solid,
frontFace: FrontFace.Clockwise,
depthClipEnabled: true,
scissorTestEnabled: false
),
PrimitiveTopology = PrimitiveTopology.TriangleList,
ResourceLayouts = new ResourceLayout[] { _resourceLayout, textureLayout },
ShaderSet = new ShaderSetDescription(
vertexLayouts: new VertexLayoutDescription[] { vertexLayout },
shaders: new Shader[] { _vertexShader, _fragmentShader }
),
Outputs = GraphicsDevice.SwapchainFramebuffer.OutputDescription
};
_pipeline = _factory.CreateGraphicsPipeline(pipelineDescription);
}
private void LoadMesh(GraphicsDevice device, int index)
{
var factory = device.ResourceFactory;
var mesh = meshes[index];
var vertexBuffer
= vertexBuffers[index]
= factory.CreateBuffer(new BufferDescription((uint)(mesh.Vertices.Length * typeof(VertexPositionNormalTexture).Size()), BufferUsage.VertexBuffer));
device.UpdateBuffer(vertexBuffer, 0, mesh.Vertices);
var indexBuffer
= indexBuffers[index]
= factory.CreateBuffer(new BufferDescription((uint)(mesh.Indices.Length * typeof(ushort).Size()), BufferUsage.IndexBuffer));
device.UpdateBuffer(indexBuffer, 0, mesh.Indices);
var mapNames = meshMapNames[index];
var texturesToLoad = mapNames
.Values
.Distinct()
.Where(path => !textureViews.ContainsKey(path))
.ToArray();
for (var j = 0; j < texturesToLoad.Length; j++)
{
var path = texturesToLoad[j];
if (!textures.ContainsKey(path))
{
var decoder = MediaType.GuessByFileName(path)
.Where(ImageDecoderSet.Default.ContainsKey)
.Select(type => ImageDecoderSet.Default[type])
.FirstOrDefault();
using var stream = dataSource.GetStream(path);
var image = decoder.Deserialize(stream);
var imageData = image.GetData();
var imageWidth = (uint)image.Info.Dimensions.Width;
var imageHeight = (uint)image.Info.Dimensions.Height;
var texture = factory.CreateTexture(new TextureDescription(
imageWidth, imageHeight, 1,
1, 1,
PixelFormat.R8_G8_B8_A8_UNorm,
TextureUsage.Sampled,
TextureType.Texture2D));
textures[path] = texture;
textureViews[path] = factory.CreateTextureView(texture);
device.UpdateTexture(
texture,
imageData,
0, 0, 0,
imageWidth, imageHeight, 1,
0, 0);
}
}
var elements = mapNames.Keys.Select(name => new ResourceLayoutElementDescription()
{
Name = name,
Kind = ResourceKind.TextureReadOnly,
Stages = ShaderStages.Fragment
}).ToArray();
var layout = factory.CreateResourceLayout(new ResourceLayoutDescription(elements));
var resources = new BindableResource[elements.Length];
for (var i = 0; i < elements.Length; ++i)
{
resources[i] = textureViews[mapNames[elements[i].Name]];
}
resourceSets[index] = factory.CreateResourceSet(new ResourceSetDescription(layout, resources));
}
public void AddResource(string name, ResourceKind kind, BindableResource resource)
{
AddResource(name, kind, resource, ShaderStages.Compute);
}
protected override void CreateResources(ResourceFactory factory)
{
_instanceCount = 8000u;
_camera.Position = new Vector3(-36f, 20f, 100f);
_camera.Pitch = -0.3f;
_camera.Yaw = 0.1f;
_cameraProjViewBuffer = factory.CreateBuffer(
new BufferDescription((uint)(Unsafe.SizeOf <Matrix4x4>() * 2), BufferUsage.UniformBuffer | BufferUsage.Dynamic));
_lightInfoBuffer = factory.CreateBuffer(new BufferDescription(32, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
_rotationInfoBuffer = factory.CreateBuffer(new BufferDescription(16, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
_lightDir = Vector3.Normalize(new Vector3(0.3f, -0.75f, -0.3f));
VertexLayoutDescription sharedVertexLayout = new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.Position, VertexElementFormat.Float3),
new VertexElementDescription("Normal", VertexElementSemantic.Normal, VertexElementFormat.Float3),
new VertexElementDescription("TexCoord", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float2));
bool etc2Supported = GraphicsDevice.GetPixelFormatSupport(
PixelFormat.ETC2_R8_G8_B8_UNorm,
TextureType.Texture2D,
TextureUsage.Sampled);
PixelFormat pixelFormat = etc2Supported ? PixelFormat.ETC2_R8_G8_B8_UNorm : PixelFormat.BC3_UNorm;
byte[] rockTextureData = LoadEmbeddedAsset <byte[]>(
etc2Supported
? "texturearray_rocks_etc2_unorm.binary"
: "texturearray_rocks_bc3_unorm.binary");
Texture rockTexture = KtxFile.LoadTexture(
GraphicsDevice,
ResourceFactory,
rockTextureData,
pixelFormat);
TextureView rockTextureView = ResourceFactory.CreateTextureView(rockTexture);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptions =
{
new ResourceLayoutElementDescription("ProjView", ResourceKind.UniformBuffer, ShaderStages.Vertex),
new ResourceLayoutElementDescription("RotationInfo", ResourceKind.UniformBuffer, ShaderStages.Vertex),
new ResourceLayoutElementDescription("LightInfo", ResourceKind.UniformBuffer, ShaderStages.Fragment),
};
ResourceLayoutDescription resourceLayoutDescription = new ResourceLayoutDescription(resourceLayoutElementDescriptions);
ResourceLayout sharedLayout = factory.CreateResourceLayout(resourceLayoutDescription);
ResourceLayoutElementDescription[] textureLayoutDescriptions =
{
new ResourceLayoutElementDescription("Tex", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("Samp", ResourceKind.Sampler, ShaderStages.Fragment)
};
ResourceLayout textureLayout = factory.CreateResourceLayout(new ResourceLayoutDescription(textureLayoutDescriptions));
BindableResource[] bindableResources = new BindableResource[] { _cameraProjViewBuffer, _rotationInfoBuffer, _lightInfoBuffer };
ResourceSetDescription resourceSetDescription = new ResourceSetDescription(sharedLayout, bindableResources);
_sharedResourceSet = factory.CreateResourceSet(resourceSetDescription);
BindableResource[] instanceBindableResources = { rockTextureView, GraphicsDevice.LinearSampler };
_instanceTextureSet = factory.CreateResourceSet(new ResourceSetDescription(textureLayout, instanceBindableResources));
ProcessedModel rock = LoadEmbeddedAsset <ProcessedModel>("rock01.binary");
_rockModel = rock.MeshParts[0].CreateDeviceResources(GraphicsDevice, ResourceFactory);
VertexLayoutDescription vertexLayoutPerInstance = new VertexLayoutDescription(
new VertexElementDescription("InstancePosition", VertexElementSemantic.Position, VertexElementFormat.Float3),
new VertexElementDescription("InstanceRotation", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float3),
new VertexElementDescription("InstanceScale", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float3),
new VertexElementDescription("InstanceTexArrayIndex", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Int1));
vertexLayoutPerInstance.InstanceStepRate = 1;
_instanceVB = ResourceFactory.CreateBuffer(new BufferDescription(InstanceInfo.Size * _instanceCount, BufferUsage.VertexBuffer));
InstanceInfo[] infos = new InstanceInfo[_instanceCount];
Random r = new Random();
float orbitDistance = 50f;
for (uint i = 0; i < _instanceCount / 2; i++)
{
float angle = (float)(r.NextDouble() * Math.PI * 2);
infos[i] = new InstanceInfo(
new Vector3(
((float)Math.Cos(angle) * orbitDistance) + (float)(-10 + r.NextDouble() * 20),
(float)(-1.5 + r.NextDouble() * 3),
((float)Math.Sin(angle) * orbitDistance) + (float)(-10 + r.NextDouble() * 20)),
new Vector3(
(float)(r.NextDouble() * Math.PI * 2),
(float)(r.NextDouble() * Math.PI * 2),
(float)(r.NextDouble() * Math.PI * 2)),
new Vector3((float)(0.65 + r.NextDouble() * 0.35)),
r.Next(0, (int)rockTexture.ArrayLayers));
}
orbitDistance = 100f;
for (uint i = _instanceCount / 2; i < _instanceCount; i++)
{
float angle = (float)(r.NextDouble() * Math.PI * 2);
infos[i] = new InstanceInfo(
new Vector3(
((float)Math.Cos(angle) * orbitDistance) + (float)(-10 + r.NextDouble() * 20),
(float)(-1.5 + r.NextDouble() * 3),
((float)Math.Sin(angle) * orbitDistance) + (float)(-10 + r.NextDouble() * 20)),
new Vector3(
(float)(r.NextDouble() * Math.PI * 2),
(float)(r.NextDouble() * Math.PI * 2),
(float)(r.NextDouble() * Math.PI * 2)),
new Vector3((float)(0.65 + r.NextDouble() * 0.35)),
r.Next(0, (int)rockTexture.ArrayLayers));
}
GraphicsDevice.UpdateBuffer(_instanceVB, 0, infos);
Shader instanceVS = LoadShader(ResourceFactory, "Instance", ShaderStages.Vertex, "VS");
Shader instanceFS = LoadShader(ResourceFactory, "Instance", ShaderStages.Fragment, "FS");
GraphicsPipelineDescription pipelineDescription = new GraphicsPipelineDescription()
{
BlendState = BlendStateDescription.SingleOverrideBlend,
DepthStencilState = new DepthStencilStateDescription(
depthTestEnabled: true,
depthWriteEnabled: true,
comparisonKind: ComparisonKind.LessEqual),
RasterizerState = new RasterizerStateDescription(
cullMode: FaceCullMode.Back,
fillMode: PolygonFillMode.Solid,
frontFace: FrontFace.Clockwise,
depthClipEnabled: true,
scissorTestEnabled: false
),
PrimitiveTopology = PrimitiveTopology.TriangleList,
ResourceLayouts = new ResourceLayout[] { sharedLayout, textureLayout },
ShaderSet = new ShaderSetDescription(
// The ordering of layouts directly impacts shader layout schemes
vertexLayouts: new VertexLayoutDescription[] { sharedVertexLayout, vertexLayoutPerInstance },
shaders: new Shader[] { instanceVS, instanceFS }
),
Outputs = MainSwapchain.Framebuffer.OutputDescription
};
_instancePipeline = factory.CreateGraphicsPipeline(pipelineDescription);
// Create planet Pipeline
// Almost everything is the same as the rock Pipeline,
// except no instance vertex buffer is needed, and different shaders are used.
pipelineDescription.ShaderSet = new ShaderSetDescription(
new[] { sharedVertexLayout },
new[]
{
LoadShader(ResourceFactory, "Planet", ShaderStages.Vertex, "VS"),
LoadShader(ResourceFactory, "Planet", ShaderStages.Fragment, "FS"),
});
_planetPipeline = ResourceFactory.CreateGraphicsPipeline(pipelineDescription);
ProcessedModel planet = LoadEmbeddedAsset <ProcessedModel>("sphere.binary");
_planetModel = planet.MeshParts[0].CreateDeviceResources(GraphicsDevice, ResourceFactory);
byte[] planetTexData = LoadEmbeddedAsset <byte[]>(
etc2Supported
? "lavaplanet_etc2_unorm.binary"
: "lavaplanet_bc3_unorm.binary");
Texture planetTexture = KtxFile.LoadTexture(GraphicsDevice, ResourceFactory, planetTexData, pixelFormat);
TextureView planetTextureView = ResourceFactory.CreateTextureView(planetTexture);
_planetTextureSet = ResourceFactory.CreateResourceSet(new ResourceSetDescription(textureLayout, planetTextureView, GraphicsDevice.Aniso4xSampler));
// Starfield resources
ResourceLayout invCameraInfoLayout = ResourceFactory.CreateResourceLayout(new ResourceLayoutDescription(
new ResourceLayoutElementDescription("InvCameraInfo", ResourceKind.UniformBuffer, ShaderStages.Fragment)));
_viewInfoBuffer = ResourceFactory.CreateBuffer(new BufferDescription((uint)Unsafe.SizeOf <InvCameraInfo>(), BufferUsage.UniformBuffer | BufferUsage.Dynamic));
_viewInfoSet = ResourceFactory.CreateResourceSet(new ResourceSetDescription(invCameraInfoLayout, _viewInfoBuffer));
ShaderSetDescription starfieldShaders = new ShaderSetDescription(
Array.Empty <VertexLayoutDescription>(),
new[]
{
LoadShader(ResourceFactory, "Starfield", ShaderStages.Vertex, "VS"),
LoadShader(ResourceFactory, "Starfield", ShaderStages.Fragment, "FS"),
});
_starfieldPipeline = ResourceFactory.CreateGraphicsPipeline(new GraphicsPipelineDescription(
BlendStateDescription.SingleOverrideBlend,
DepthStencilStateDescription.Disabled,
RasterizerStateDescription.CullNone,
PrimitiveTopology.TriangleList,
starfieldShaders,
new[] { invCameraInfoLayout },
MainSwapchain.Framebuffer.OutputDescription));
_commandList = factory.CreateCommandList();
}
protected void AddResource(string name, ResourceKind kind, BindableResource resource, ShaderStages stage)
{
LayoutElements.Add(new ResourceLayoutElementDescription(name, kind, stage));
ResourceElements.Add(resource);
ResourceNames[name] = ResourceElements.Count - 1;
}
public new void AddResource(string name, ResourceKind kind, BindableResource resource, ShaderStages stage = ShaderStages.Fragment)
{
base.AddResource(name, kind, resource, stage);
}
protected override void CreateResources(ResourceFactory factory)
{
_instanceCount = 1 << 14;
_camera.Position = new Vector3(-36f, 20f, 100f);
_camera.Pitch = -0.3f;
_camera.Yaw = 0.1f;
_cameraProjViewBuffer = factory.CreateBuffer(
new BufferDescription((uint)(Unsafe.SizeOf <Matrix4x4>() * 2), BufferUsage.UniformBuffer | BufferUsage.Dynamic));
_lightInfoBuffer = factory.CreateBuffer(new BufferDescription(32, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
_rotationInfoBuffer = factory.CreateBuffer(new BufferDescription(16, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
_lightDir = Vector3.Normalize(new Vector3(0.3f, -0.75f, -0.3f));
VertexLayoutDescription sharedVertexLayout = new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float3),
new VertexElementDescription("Normal", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float3),
new VertexElementDescription("TexCoord", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float2));
bool etc2Supported = GraphicsDevice.GetPixelFormatSupport(
PixelFormat.ETC2_R8_G8_B8_UNorm,
TextureType.Texture2D,
TextureUsage.Sampled);
PixelFormat pixelFormat = etc2Supported ? PixelFormat.ETC2_R8_G8_B8_UNorm : PixelFormat.BC3_UNorm;
byte[] rockTextureData = LoadEmbeddedAsset <byte[]>(
etc2Supported
? "texturearray_rocks_etc2_unorm.binary"
: "texturearray_rocks_bc3_unorm.binary");
Texture rockTexture = KtxFile.LoadTexture(
GraphicsDevice,
ResourceFactory,
rockTextureData,
pixelFormat);
TextureView rockTextureView = ResourceFactory.CreateTextureView(rockTexture);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptions =
{
new ResourceLayoutElementDescription("LightInfo", ResourceKind.UniformBuffer, ShaderStages.Fragment),
new ResourceLayoutElementDescription("ProjView", ResourceKind.UniformBuffer, ShaderStages.Vertex),
new ResourceLayoutElementDescription("RotationInfo", ResourceKind.UniformBuffer, ShaderStages.Vertex),
};
ResourceLayoutDescription resourceLayoutDescription = new ResourceLayoutDescription(resourceLayoutElementDescriptions);
ResourceLayout sharedLayout = factory.CreateResourceLayout(resourceLayoutDescription);
ResourceLayoutElementDescription[] textureLayoutDescriptions =
{
new ResourceLayoutElementDescription("Tex", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("Samp", ResourceKind.Sampler, ShaderStages.Fragment)
};
ResourceLayout textureLayout = factory.CreateResourceLayout(new ResourceLayoutDescription(textureLayoutDescriptions));
BindableResource[] bindableResources = new BindableResource[] { _lightInfoBuffer, _cameraProjViewBuffer, _rotationInfoBuffer };
ResourceSetDescription resourceSetDescription = new ResourceSetDescription(sharedLayout, bindableResources);
_sharedResourceSet = factory.CreateResourceSet(resourceSetDescription);
BindableResource[] instanceBindableResources = { rockTextureView, GraphicsDevice.LinearSampler };
_instanceTextureSet = factory.CreateResourceSet(new ResourceSetDescription(textureLayout, instanceBindableResources));
ProcessedModel rock = LoadEmbeddedAsset <ProcessedModel>("sphere.binary");
_rockModel = rock.MeshParts[0].CreateDeviceResources(GraphicsDevice, ResourceFactory);
VertexLayoutDescription vertexLayoutPerInstancePos = new VertexLayoutDescription(
new VertexElementDescription("InstancePosition", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float3));
VertexLayoutDescription vertexLayoutPerInstanceScale = new VertexLayoutDescription(
new VertexElementDescription("InstanceScale", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float3));
VertexLayoutDescription vertexLayoutPerInstanceColor = new VertexLayoutDescription(
new VertexElementDescription("InstanceColor", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float3));
vertexLayoutPerInstancePos.InstanceStepRate = 1;
vertexLayoutPerInstanceScale.InstanceStepRate = 1;
vertexLayoutPerInstanceColor.InstanceStepRate = 1;
_instanceVBPos = ResourceFactory.CreateBuffer(new BufferDescription(Vector3.Size * _instanceCount, BufferUsage.VertexBuffer));
_instanceVBScale = ResourceFactory.CreateBuffer(new BufferDescription(Vector3.Size * _instanceCount, BufferUsage.VertexBuffer));
_instanceVBColor = ResourceFactory.CreateBuffer(new BufferDescription(Vector3.Size * _instanceCount, BufferUsage.VertexBuffer));
Vector3[] instancePos = new Vector3[_instanceCount];
Vector3[] instanceScale = new Vector3[_instanceCount];
Vector3[] instanceColors = new Vector3[_instanceCount];
Random r = new Random();
for (uint i = 0; i < _instanceCount; i++)
{
instancePos[i] = new Vector3(
1000.0f * ((float)r.NextDouble() - 0.5f),
200.0f * ((float)r.NextDouble() - 0.5f),
1000.0f * ((float)r.NextDouble() - 0.5f));
instanceScale[i] = new Vector3((float)(r.NextDouble() * 0.3));
instanceColors[i] = new Vector3((float)r.NextDouble() * 0.5f + 0.5f,
(float)r.NextDouble() * 0.5f + 0.5f,
(float)r.NextDouble() * 0.5f + 0.5f);
}
GraphicsDevice.UpdateBuffer(_instanceVBPos, 0, instancePos);
GraphicsDevice.UpdateBuffer(_instanceVBScale, 0, instanceScale);
GraphicsDevice.UpdateBuffer(_instanceVBColor, 0, instanceColors);
GraphicsPipelineDescription pipelineDescriptionRocks = new GraphicsPipelineDescription()
{
BlendState = BlendStateDescription.SingleOverrideBlend,
DepthStencilState = new DepthStencilStateDescription(
depthTestEnabled: true,
depthWriteEnabled: true,
comparisonKind: ComparisonKind.LessEqual),
RasterizerState = new RasterizerStateDescription(
cullMode: FaceCullMode.Back,
fillMode: PolygonFillMode.Solid,
frontFace: FrontFace.Clockwise,
depthClipEnabled: true,
scissorTestEnabled: false
),
PrimitiveTopology = PrimitiveTopology.TriangleList,
ResourceLayouts = new ResourceLayout[] { sharedLayout, textureLayout },
ShaderSet = new ShaderSetDescription(
// The ordering of layouts directly impacts shader layout schemes
vertexLayouts: new VertexLayoutDescription[] { sharedVertexLayout, vertexLayoutPerInstancePos, vertexLayoutPerInstanceScale, vertexLayoutPerInstanceColor },
shaders: LoadShaders("Instance")
),
Outputs = MainSwapchain.Framebuffer.OutputDescription
};
_instancePipeline = factory.CreateGraphicsPipeline(pipelineDescriptionRocks);
// Starfield resources
ResourceLayout invCameraInfoLayout = ResourceFactory.CreateResourceLayout(new ResourceLayoutDescription(
new ResourceLayoutElementDescription("InvCameraInfo", ResourceKind.UniformBuffer, ShaderStages.Fragment)));
_viewInfoBuffer = ResourceFactory.CreateBuffer(new BufferDescription((uint)Unsafe.SizeOf <MatrixPair>(), BufferUsage.UniformBuffer | BufferUsage.Dynamic));
_commandList = factory.CreateCommandList();
}
// TODO: Abstract Resource Crreation for Uniforms, Vertex Layouts, Disposing
override protected void CreateResources()
{
//string filePath = Path.Combine(AppContext.BaseDirectory, "Models/sphere.obj"); // huge
//string filePath = Path.Combine(AppContext.BaseDirectory, "Models/sphere_centered.obj"); // no texture coordiantes
string filePath = "armor/armor.dae";
_model = AssimpLoader.LoadFromFileWithRealtimeMaterial <VertexPositionNormalTextureTangent>(AppContext.BaseDirectory, filePath, VertexPositionNormalTextureTangent.HenzaiType);
//GeometryUtils.GenerateSphericalTextureCoordinatesFor(_model.meshes[0], UVMappingTypes.Spherical_Coordinates,true);
GeometryUtils.GenerateTangentSpaceFor(_model);
// _model = new Model<VertexPositionNormalTextureTangent>(GeometryFactory.generateSphere(100,100,1.0f));
/// Uniform 1 - Camera
_cameraProjViewBuffer = _factory.CreateBuffer(new BufferDescription(192, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
var resourceLayoutElementDescription = new ResourceLayoutElementDescription("projViewWorld", ResourceKind.UniformBuffer, ShaderStages.Vertex);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptions = { resourceLayoutElementDescription };
var resourceLayoutDescription = new ResourceLayoutDescription(resourceLayoutElementDescriptions);
BindableResource[] bindableResources = new BindableResource[] { _cameraProjViewBuffer };
_cameraResourceLayout = _factory.CreateResourceLayout(resourceLayoutDescription);
var resourceSetDescription = new ResourceSetDescription(_cameraResourceLayout, bindableResources);
_cameraResourceSet = _factory.CreateResourceSet(resourceSetDescription);
// Uniform 2 - Material
_materialBuffer = _factory.CreateBuffer(new BufferDescription(64, BufferUsage.UniformBuffer));
var resourceLayoutElementDescriptionMaterial = new ResourceLayoutElementDescription("material", ResourceKind.UniformBuffer, ShaderStages.Fragment);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptionsMaterial = { resourceLayoutElementDescriptionMaterial };
var resourceLayoutDescriptionMaterial = new ResourceLayoutDescription(resourceLayoutElementDescriptionsMaterial);
BindableResource[] bindableResourcesMaterial = new BindableResource[] { _materialBuffer };
_materialResourceLayout = _factory.CreateResourceLayout(resourceLayoutDescriptionMaterial);
var resourceSetDescriptionMaterial = new ResourceSetDescription(_materialResourceLayout, bindableResourcesMaterial);
_materialResourceSet = _factory.CreateResourceSet(resourceSetDescriptionMaterial);
// Uniform 3 - Light
_lightBuffer = _factory.CreateBuffer(new BufferDescription(16, BufferUsage.UniformBuffer));
var resourceLayoutElementDescriptionLight = new ResourceLayoutElementDescription("light", ResourceKind.UniformBuffer, ShaderStages.Vertex);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptionsLight = { resourceLayoutElementDescriptionLight };
var resourceLayoutDescriptionLight = new ResourceLayoutDescription(resourceLayoutElementDescriptionsLight);
BindableResource[] bindableResourcesLight = new BindableResource[] { _lightBuffer };
_lightResourceLayout = _factory.CreateResourceLayout(resourceLayoutDescriptionLight);
var resourceSetDescriptionLight = new ResourceSetDescription(_lightResourceLayout, bindableResourcesLight);
_lightResourceSet = _factory.CreateResourceSet(resourceSetDescriptionLight);
for (int i = 0; i < _model.MeshCount; i++)
{
var mesh = _model.GetMesh(i);
DeviceBuffer vertexBuffer
= _factory.CreateBuffer(new BufferDescription(mesh.Vertices.LengthUnsigned() * VertexPositionNormalTextureTangent.SizeInBytes, BufferUsage.VertexBuffer));
DeviceBuffer indexBuffer
= _factory.CreateBuffer(new BufferDescription(mesh.Indices.LengthUnsigned() * sizeof(ushort), BufferUsage.IndexBuffer));
_vertexBuffers.Add(vertexBuffer);
_indexBuffers.Add(indexBuffer);
GraphicsDevice.UpdateBuffer(vertexBuffer, 0, mesh.Vertices);
GraphicsDevice.UpdateBuffer(indexBuffer, 0, mesh.Indices);
}
//Texture Samper
// ImageSharpTexture diffuseTexture = new ImageSharpTexture(Path.Combine(AppContext.BaseDirectory, "Textures", "earth.jpg"));
// ImageSharpTexture diffuseTexture = new ImageSharpTexture(Path.Combine(AppContext.BaseDirectory, "Textures", "Water.jpg"));
ImageSharpTexture diffuseTexture = new ImageSharpTexture(Path.Combine(AppContext.BaseDirectory, "armor", "diffuse.png"));
Texture sphereDiffuseTexture = diffuseTexture.CreateDeviceTexture(GraphicsDevice, _factory);
TextureView sphereDiffuseTextureView = _factory.CreateTextureView(sphereDiffuseTexture);
// ImageSharpTexture normalTexture = new ImageSharpTexture(Path.Combine(AppContext.BaseDirectory, "Textures", "WaterNorm.jpg"));
ImageSharpTexture normalTexture = new ImageSharpTexture(Path.Combine(AppContext.BaseDirectory, "armor", "normal.png"));
Texture sphereNormalTexture = normalTexture.CreateDeviceTexture(GraphicsDevice, _factory);
TextureView sphereNormalTextureView = _factory.CreateTextureView(sphereNormalTexture);
ResourceLayout textureLayout = _factory.CreateResourceLayout(
new ResourceLayoutDescription(
new ResourceLayoutElementDescription("DiffuseTexture", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("DiffuseSampler", ResourceKind.Sampler, ShaderStages.Fragment),
new ResourceLayoutElementDescription("NormTexture", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("NormSampler", ResourceKind.Sampler, ShaderStages.Fragment)
));
var sampler = _factory.CreateSampler(new SamplerDescription
{
AddressModeU = SamplerAddressMode.Wrap,
AddressModeV = SamplerAddressMode.Wrap,
AddressModeW = SamplerAddressMode.Wrap,
Filter = SamplerFilter.MinLinear_MagLinear_MipLinear,
LodBias = 0,
MinimumLod = 0,
MaximumLod = uint.MaxValue,
MaximumAnisotropy = 0,
});
_textureResourceSet = _factory.CreateResourceSet(new ResourceSetDescription(
textureLayout,
sphereDiffuseTextureView,
GraphicsDevice.LinearSampler,
sphereNormalTextureView,
sampler
));
VertexLayoutDescription vertexLayout
= new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.Position, VertexElementFormat.Float3),
new VertexElementDescription("Normal", VertexElementSemantic.Normal, VertexElementFormat.Float3),
new VertexElementDescription("UV", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float2),
new VertexElementDescription("Tangent", VertexElementSemantic.Normal, VertexElementFormat.Float3)
);
_vertexShader = IO.LoadShader("PhongTexture", ShaderStages.Vertex, GraphicsDevice);
_fragmentShader = IO.LoadShader("PhongTexture", ShaderStages.Fragment, GraphicsDevice);
GraphicsPipelineDescription pipelineDescription = new GraphicsPipelineDescription()
{
BlendState = BlendStateDescription.SingleOverrideBlend,
DepthStencilState = DepthStencilStateDescription.DepthOnlyLessEqual,
RasterizerState = new RasterizerStateDescription(
cullMode: FaceCullMode.Back,
fillMode: PolygonFillMode.Solid,
frontFace: FrontFace.Clockwise,
depthClipEnabled: true,
scissorTestEnabled: false
),
PrimitiveTopology = PrimitiveTopology.TriangleList,
ResourceLayouts = new ResourceLayout[] { _cameraResourceLayout, _lightResourceLayout, _materialResourceLayout, textureLayout },
ShaderSet = new ShaderSetDescription(
vertexLayouts: new VertexLayoutDescription[] { vertexLayout },
shaders: new Shader[] { _vertexShader, _fragmentShader }
),
Outputs = GraphicsDevice.SwapchainFramebuffer.OutputDescription
};
_pipeline = _factory.CreateGraphicsPipeline(pipelineDescription);
}
public ResourceSetKey(ResourceLayout layout, BindableResource res) : this()
=> (ResourceLayout, Resource0) = (layout, res);
public void Begin(GraphicsDevice device, Framebuffer framebuffer)
{
if (IsRunning)
{
throw new InvalidOperationException("The program is already running.");
}
if (device is null)
{
throw new ArgumentNullException(nameof(device));
}
if (framebuffer is null)
{
throw new ArgumentNullException(nameof(framebuffer));
}
var factory = device.ResourceFactory;
if (factory is null)
{
throw new ArgumentException("GraphicsDevice is not ready. It has no ResourceFactory", nameof(device));
}
var vertex = programDescription.VertexShader;
var fragment = programDescription.FragmentShader;
var pipelineOptions = programDescription.PipelineOptions;
pipelineOptions.ResourceLayouts = layouts = new ResourceLayout[]
{
factory.CreateResourceLayout(new ResourceLayoutDescription(
new ResourceLayoutElementDescription("ProjectionBuffer", ResourceKind.UniformBuffer, ShaderStages.Vertex),
new ResourceLayoutElementDescription("DiffuseSampler", ResourceKind.Sampler, ShaderStages.Fragment))),
factory.CreateResourceLayout(new ResourceLayoutDescription(
new ResourceLayoutElementDescription("WorldBuffer", ResourceKind.UniformBuffer, ShaderStages.Vertex))),
factory.CreateResourceLayout(new ResourceLayoutDescription(
new ResourceLayoutElementDescription("DiffuseTexture", ResourceKind.TextureReadOnly, ShaderStages.Fragment)))
};
var vertexResources = new BindableResource[]
{
cameraBuffer = factory.CreateBuffer(new BufferDescription(vertex.Resources[0].Size, BufferUsage.UniformBuffer)),
device.Aniso4xSampler
};
disposableResources = vertexResources
.Where(r => r != null &&
r != device.Aniso4xSampler)
.OfType <IDisposable>()
.ToArray();
resourceSet = factory.CreateResourceSet(new ResourceSetDescription(layouts[0], vertexResources));
var layout = programDescription.VertexLayout;
if (device.BackendType == GraphicsBackend.Direct3D11 ||
programDescription.UseSpirV)
{
for (var i = 0; i < programDescription.VertexLayout.Elements.Length; ++i)
{
programDescription.VertexLayout.Elements[i].Semantic = VertexElementSemantic.TextureCoordinate;
}
}
pipelineOptions.ShaderSet = new ShaderSetDescription
{
VertexLayouts = new VertexLayoutDescription[] { layout },
Shaders = CreateShaders(factory, programDescription)
};
pipelineOptions.Outputs = framebuffer.OutputDescription;
pipeline = factory.CreateGraphicsPipeline(pipelineOptions);
IsRunning = true;
}
override protected void CreateResources()
{
_cameraProjViewBuffer = _factory.CreateBuffer(new BufferDescription(128, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
ResourceLayoutElementDescription resourceLayoutElementDescription = new ResourceLayoutElementDescription("projView", ResourceKind.UniformBuffer, ShaderStages.Vertex);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptions = { resourceLayoutElementDescription };
ResourceLayoutDescription resourceLayoutDescription = new ResourceLayoutDescription(resourceLayoutElementDescriptions);
BindableResource[] bindableResources = new BindableResource[] { _cameraProjViewBuffer };
_resourceLayout = _factory.CreateResourceLayout(resourceLayoutDescription);
ResourceSetDescription resourceSetDescription = new ResourceSetDescription(_resourceLayout, bindableResources);
_resourceSet = _factory.CreateResourceSet(resourceSetDescription);
Mesh <VertexPositionNDCColor> coloredQuad
= GeometryFactory.GenerateColorQuadNDC_XY(RgbaFloat.Red, RgbaFloat.Green, RgbaFloat.Blue, RgbaFloat.Yellow);
ushort[] quadIndicies = GeometryFactory.GenerateQuadIndicies_TriangleStrip_CW();
float[] _xOffset = { -2f, 2f };
// declare (VBO) buffers
_vertexBuffer
= _factory.CreateBuffer(new BufferDescription(coloredQuad.Vertices.LengthUnsigned() * VertexPositionNDCColor.SizeInBytes, BufferUsage.VertexBuffer));
_indexBuffer
= _factory.CreateBuffer(new BufferDescription(quadIndicies.LengthUnsigned() * sizeof(ushort), BufferUsage.IndexBuffer));
_xOffsetBuffer
= _factory.CreateBuffer(new BufferDescription(_xOffset.LengthUnsigned() * sizeof(float), BufferUsage.VertexBuffer));
// fill buffers with data
GraphicsDevice.UpdateBuffer(_vertexBuffer, 0, coloredQuad.Vertices);
GraphicsDevice.UpdateBuffer(_indexBuffer, 0, quadIndicies);
GraphicsDevice.UpdateBuffer(_xOffsetBuffer, 0, _xOffset);
GraphicsDevice.UpdateBuffer(_cameraProjViewBuffer, 0, Camera.ViewMatrix);
GraphicsDevice.UpdateBuffer(_cameraProjViewBuffer, 64, Camera.ProjectionMatrix);
VertexLayoutDescription vertexLayout
= new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.Position, VertexElementFormat.Float2),
new VertexElementDescription("Color", VertexElementSemantic.Color, VertexElementFormat.Float4)
);
VertexElementDescription vertexElementPerInstance
= new VertexElementDescription("xOff", VertexElementSemantic.Position, VertexElementFormat.Float1);
VertexLayoutDescription vertexLayoutPerInstance
= new VertexLayoutDescription(
stride: 4,
instanceStepRate: 1,
elements: new VertexElementDescription[] { vertexElementPerInstance }
);
_vertexShader = IO.LoadShader("OffsetXNDCColor", ShaderStages.Vertex, GraphicsDevice);
_fragmentShader = IO.LoadShader("Color", ShaderStages.Fragment, GraphicsDevice);
GraphicsPipelineDescription pipelineDescription = new GraphicsPipelineDescription()
{
BlendState = BlendStateDescription.SingleOverrideBlend,
DepthStencilState = new DepthStencilStateDescription(
depthTestEnabled: true,
depthWriteEnabled: true,
comparisonKind: ComparisonKind.LessEqual),
RasterizerState = new RasterizerStateDescription(
cullMode: FaceCullMode.Back,
fillMode: PolygonFillMode.Solid,
frontFace: FrontFace.Clockwise,
depthClipEnabled: true,
scissorTestEnabled: false
),
PrimitiveTopology = PrimitiveTopology.TriangleStrip,
ResourceLayouts = new ResourceLayout[] { _resourceLayout },
ShaderSet = new ShaderSetDescription(
vertexLayouts: new VertexLayoutDescription[] { vertexLayout, vertexLayoutPerInstance },
shaders: new Shader[] { _vertexShader, _fragmentShader }
),
Outputs = GraphicsDevice.SwapchainFramebuffer.OutputDescription
};
_pipeline = _factory.CreateGraphicsPipeline(pipelineDescription);
}
public TextArrayRenderer(GraphicsDevice gd, FontAtlas charAtlas, BindableResource projectionBuffer)
{
var factory = gd.ResourceFactory;
var surfaceTextureView = factory.CreateTextureView(charAtlas.Texture);
// create the vertex buffer
_vertexBuffer = factory.CreateBuffer(new BufferDescription(
(uint)charAtlas.Count * 4 * VertexPositionColor.SizeInBytes, BufferUsage.VertexBuffer));
var quadVertices = new VertexPositionColor[charAtlas.Count * 4];
for (int i = 0; i < charAtlas.Count; ++i)
{
var cell = charAtlas[(char)i];
quadVertices[i * 4 + 0].Position.X = 0;
quadVertices[i * 4 + 1].Position.X = 1;
quadVertices[i * 4 + 2].Position.X = 0;
quadVertices[i * 4 + 3].Position.X = 1;
quadVertices[i * 4 + 0].Position.Y = 0;
quadVertices[i * 4 + 1].Position.Y = 0;
quadVertices[i * 4 + 2].Position.Y = 1;
quadVertices[i * 4 + 3].Position.Y = 1;
quadVertices[i * 4 + 0].Texture = cell.TopLeft;
quadVertices[i * 4 + 1].Texture = cell.TopRight;
quadVertices[i * 4 + 2].Texture = cell.BottomLeft;
quadVertices[i * 4 + 3].Texture = cell.BottomRight;
quadVertices[i * 4 + 0].Color = RgbaFloat.White;
quadVertices[i * 4 + 1].Color = RgbaFloat.White;
quadVertices[i * 4 + 2].Color = RgbaFloat.White;
quadVertices[i * 4 + 3].Color = RgbaFloat.White;
}
gd.UpdateBuffer(_vertexBuffer, 0, quadVertices);
// setup the index buffer
ushort[] quadIndices = { 0, 1, 2, 3 };
_indexBuffer = factory.CreateBuffer(new BufferDescription((uint)quadIndices.Length * sizeof(ushort),
BufferUsage.IndexBuffer));
gd.UpdateBuffer(_indexBuffer, 0, quadIndices);
// create the world matrix buffer
_worldBuffer = factory.CreateBuffer(new BufferDescription(64, BufferUsage.UniformBuffer));
// create the color buffer
_colorBuffer = factory.CreateBuffer(new BufferDescription(16, BufferUsage.UniformBuffer));
// create vertex layout
var vertexLayout = new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.TextureCoordinate,
VertexElementFormat.Float2),
new VertexElementDescription("Texture", VertexElementSemantic.TextureCoordinate,
VertexElementFormat.Float2),
new VertexElementDescription("Color", VertexElementSemantic.TextureCoordinate,
VertexElementFormat.Float4));
// create vertex and pixel shaders
var vertexShaderDesc = new ShaderDescription(
ShaderStages.Vertex,
Encoding.UTF8.GetBytes(VertexCode),
"main");
var fragmentShaderDesc = new ShaderDescription(
ShaderStages.Fragment,
Encoding.UTF8.GetBytes(FragmentCode),
"main");
var shaders = factory.CreateFromSpirv(vertexShaderDesc, fragmentShaderDesc);
// create resource layout and resource set for projection buffer and texture
var projectionTextureResourceLayout = factory.CreateResourceLayout(new ResourceLayoutDescription(
new ResourceLayoutElementDescription("ProjectionBuffer", ResourceKind.UniformBuffer, ShaderStages.Vertex),
new ResourceLayoutElementDescription("WorldBuffer", ResourceKind.UniformBuffer, ShaderStages.Vertex),
new ResourceLayoutElementDescription("SurfaceTexture", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("SurfaceSampler", ResourceKind.Sampler, ShaderStages.Fragment),
new ResourceLayoutElementDescription("ColorBuffer", ResourceKind.UniformBuffer, ShaderStages.Fragment)));
_projectionTextureResourceSet = factory.CreateResourceSet(new ResourceSetDescription(
projectionTextureResourceLayout,
projectionBuffer,
_worldBuffer,
surfaceTextureView,
factory.CreateSampler(new SamplerDescription
{
AddressModeU = SamplerAddressMode.Clamp,
AddressModeV = SamplerAddressMode.Clamp,
AddressModeW = SamplerAddressMode.Clamp,
Filter = SamplerFilter.Anisotropic,
LodBias = 0,
MinimumLod = 0,
MaximumLod = uint.MaxValue,
MaximumAnisotropy = 4
}),
_colorBuffer));
// create pipeline
_pipeline = factory.CreateGraphicsPipeline(new GraphicsPipelineDescription
{
BlendState = BlendStateDescription.SingleOverrideBlend,
DepthStencilState = new DepthStencilStateDescription(
depthTestEnabled: true,
depthWriteEnabled: true,
comparisonKind: ComparisonKind.LessEqual),
RasterizerState = new RasterizerStateDescription(
cullMode: FaceCullMode.Back,
fillMode: PolygonFillMode.Solid,
frontFace: FrontFace.Clockwise,
depthClipEnabled: true,
scissorTestEnabled: false),
PrimitiveTopology = PrimitiveTopology.TriangleStrip,
ResourceLayouts = new[] { projectionTextureResourceLayout },
ShaderSet = new ShaderSetDescription(
vertexLayouts: new[] { vertexLayout },
shaders: shaders),
Outputs = gd.SwapchainFramebuffer.OutputDescription
});
}
