public static ResourceLayout GenerateTextureResourceLayoutForCubeMapping(DisposeCollectorResourceFactory factory)
{
return(factory.CreateResourceLayout(
new ResourceLayoutDescription(
new ResourceLayoutElementDescription("CubeTexture", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("CubeSampler", ResourceKind.Sampler, ShaderStages.Fragment)
)));
}
public static ResourceLayout GenerateResourceLayout(DisposeCollectorResourceFactory factory, string name, ResourceKind resourceKind, ShaderStages shaderStages)
{
var resourceLayoutElementDescription = new ResourceLayoutElementDescription(name, resourceKind, shaderStages);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptions = { resourceLayoutElementDescription };
var resourceLayoutDescription = new ResourceLayoutDescription(resourceLayoutElementDescriptions);
return(factory.CreateResourceLayout(resourceLayoutDescription));
}
public static Sampler GeneratePointSampler(DisposeCollectorResourceFactory factory)
{
return(factory.CreateSampler(new SamplerDescription
{
AddressModeU = SamplerAddressMode.Wrap,
AddressModeV = SamplerAddressMode.Wrap,
AddressModeW = SamplerAddressMode.Wrap,
Filter = SamplerFilter.MinPoint_MagPoint_MipPoint,
LodBias = 0,
MinimumLod = 0,
MaximumLod = uint.MaxValue,
MaximumAnisotropy = 0,
}));
}
//TODO: UNIFY THIS!
public static Sampler GenerateBiLinearSampler_Clamp(DisposeCollectorResourceFactory factory)
{
return(factory.CreateSampler(new SamplerDescription
{
AddressModeU = SamplerAddressMode.Clamp,
AddressModeV = SamplerAddressMode.Clamp,
AddressModeW = SamplerAddressMode.Clamp,
Filter = SamplerFilter.MinLinear_MagLinear_MipPoint,
LodBias = 0,
MinimumLod = 0,
MaximumLod = 0,
MaximumAnisotropy = 0
}));
}
//TODO: Use new Veldrid Call!
private static unsafe TextureView CreateCubeMapTextureViewFromImages(
Image <Rgba32> front,
Image <Rgba32> back,
Image <Rgba32> left,
Image <Rgba32> right,
Image <Rgba32> top,
Image <Rgba32> bottom,
DisposeCollectorResourceFactory factory,
GraphicsDevice graphicsDevice
)
{
Texture textureCube;
TextureView textureView;
fixed(Rgba32 *frontPin = &MemoryMarshal.GetReference(front.GetPixelSpan()))
fixed(Rgba32 * backPin = &MemoryMarshal.GetReference(back.GetPixelSpan()))
fixed(Rgba32 * leftPin = &MemoryMarshal.GetReference(left.GetPixelSpan()))
fixed(Rgba32 * rightPin = &MemoryMarshal.GetReference(right.GetPixelSpan()))
fixed(Rgba32 * topPin = &MemoryMarshal.GetReference(top.GetPixelSpan()))
fixed(Rgba32 * bottomPin = &MemoryMarshal.GetReference(bottom.GetPixelSpan()))
{
uint width = (uint)front.Width;
uint height = (uint)front.Height;
textureCube = factory.CreateTexture(TextureDescription.Texture2D(
width,
height,
6,
1,
PixelFormat.R8_G8_B8_A8_UNorm,
TextureUsage.Sampled | TextureUsage.Cubemap));
uint faceSize = (uint)(front.Width * front.Height * Unsafe.SizeOf <Rgba32>());
graphicsDevice.UpdateTexture(textureCube, (IntPtr)rightPin, faceSize, 0, 0, 0, width, height, 1, 0, (uint)CubeMap.FaceIndices.Right); // +X
graphicsDevice.UpdateTexture(textureCube, (IntPtr)leftPin, faceSize, 0, 0, 0, width, height, 1, 0, (uint)CubeMap.FaceIndices.Left); // -X
graphicsDevice.UpdateTexture(textureCube, (IntPtr)topPin, faceSize, 0, 0, 0, width, height, 1, 0, (uint)CubeMap.FaceIndices.Top); // +Y
graphicsDevice.UpdateTexture(textureCube, (IntPtr)bottomPin, faceSize, 0, 0, 0, width, height, 1, 0, (uint)CubeMap.FaceIndices.Bottom); // -Y
graphicsDevice.UpdateTexture(textureCube, (IntPtr)backPin, faceSize, 0, 0, 0, width, height, 1, 0, (uint)CubeMap.FaceIndices.Back); // +Z
graphicsDevice.UpdateTexture(textureCube, (IntPtr)frontPin, faceSize, 0, 0, 0, width, height, 1, 0, (uint)CubeMap.FaceIndices.Front); // -Z
textureView = factory.CreateTextureView(new TextureViewDescription(textureCube));
}
return(textureView);
}
public static ResourceSet GenrateResourceSet(DisposeCollectorResourceFactory factory, ResourceLayout resourceLayout, BindableResource[] bindableResources)
{
ResourceSetDescription resourceSetDescription = new ResourceSetDescription(resourceLayout, bindableResources);
return(factory.CreateResourceSet(resourceSetDescription));
}
public static ResourceSet GenerateTextureResourceSetForCubeMapping <T>(ModelRuntimeDescriptor <T> modelRuntimeState, int meshIndex, DisposeCollectorResourceFactory factory, GraphicsDevice graphicsDevice) where T : struct, VertexLocateable
{
RealtimeMaterial material = modelRuntimeState.Model.GetMaterial(meshIndex);
Image <Rgba32> front = Image.Load <Rgba32>(Path.Combine(AppContext.BaseDirectory, modelRuntimeState.Model.BaseDir, material.cubeMapFront));
Image <Rgba32> back = Image.Load <Rgba32>(Path.Combine(AppContext.BaseDirectory, modelRuntimeState.Model.BaseDir, material.cubeMapBack));
Image <Rgba32> left = Image.Load <Rgba32>(Path.Combine(AppContext.BaseDirectory, modelRuntimeState.Model.BaseDir, material.cubeMapLeft));
Image <Rgba32> right = Image.Load <Rgba32>(Path.Combine(AppContext.BaseDirectory, modelRuntimeState.Model.BaseDir, material.cubeMapRight));
Image <Rgba32> top = Image.Load <Rgba32>(Path.Combine(AppContext.BaseDirectory, modelRuntimeState.Model.BaseDir, material.cubeMapTop));
Image <Rgba32> bottom = Image.Load <Rgba32>(Path.Combine(AppContext.BaseDirectory, modelRuntimeState.Model.BaseDir, material.cubeMapBottom));
TextureView cubeMapTextureView = ResourceGenerator.CreateCubeMapTextureViewFromImages(front,
back,
left,
right,
top,
bottom,
factory,
graphicsDevice);
return(factory.CreateResourceSet(new ResourceSetDescription(
modelRuntimeState.TextureResourceLayout,
cubeMapTextureView,
modelRuntimeState.TextureSampler
)));
}
public static ResourceSet GenerateTextureResourceSetForDiffuseMapping <T>(ModelRuntimeDescriptor <T> modelRuntimeState, int meshIndex, DisposeCollectorResourceFactory factory, GraphicsDevice graphicsDevice) where T : struct, VertexLocateable
{
RealtimeMaterial material = modelRuntimeState.Model.GetMaterial(meshIndex);
ImageSharpTexture diffuseTextureIS = new ImageSharpTexture(Path.Combine(AppContext.BaseDirectory, modelRuntimeState.Model.BaseDir, material.textureDiffuse));
Texture diffuseTexture = diffuseTextureIS.CreateDeviceTexture(graphicsDevice, factory);
TextureView diffuseTextureView = factory.CreateTextureView(diffuseTexture);
return(factory.CreateResourceSet(new ResourceSetDescription(
modelRuntimeState.TextureResourceLayout,
diffuseTextureView,
modelRuntimeState.TextureSampler
)));
}
public static ResourceSet GenerateResourceSetForShadowMapping(ResourceLayout textureLayout, TextureView shadowMapTexView, DisposeCollectorResourceFactory factory)
{
var sampler = ResourceGenerator.GenerateBiLinearSampler_Border(factory);
return(factory.CreateResourceSet(new ResourceSetDescription(
textureLayout,
shadowMapTexView,
sampler
)));
}
