public static ResourceSet GenerateTextureResourceSetForNormalMapping <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);
string normalTexPath = material.textureNormal.Length == 0 ? material.textureBump : material.textureNormal;
ImageSharpTexture normalTextureIS = new ImageSharpTexture(Path.Combine(AppContext.BaseDirectory, modelRuntimeState.Model.BaseDir, normalTexPath));
Texture normalTexture = normalTextureIS.CreateDeviceTexture(graphicsDevice, factory);
TextureView normalTextureView = factory.CreateTextureView(normalTexture);
return(factory.CreateResourceSet(new ResourceSetDescription(
modelRuntimeState.TextureResourceLayout,
diffuseTextureView,
modelRuntimeState.TextureSampler,
normalTextureView,
modelRuntimeState.TextureSampler
)));
}
//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);
}
