internal static BlendingFactorSrc ConvertBlendSrc(Blend blend)
{
switch (blend)
{
case Blend.Zero:
return(BlendingFactorSrc.Zero);
case Blend.One:
return(BlendingFactorSrc.One);
case Blend.SourceAlpha:
return(BlendingFactorSrc.SrcAlpha);
case Blend.InverseSourceAlpha:
return(BlendingFactorSrc.OneMinusSrcAlpha);
case Blend.DestinationAlpha:
return(BlendingFactorSrc.DstAlpha);
case Blend.InverseDestinationAlpha:
return(BlendingFactorSrc.OneMinusDstAlpha);
case Blend.SourceColor:
return(BlendingFactorSrc.SrcColor);
case Blend.InverseSourceColor:
return(BlendingFactorSrc.OneMinusSrcColor);
case Blend.DestinationColor:
return(BlendingFactorSrc.DstColor);
case Blend.InverseDestinationColor:
return(BlendingFactorSrc.OneMinusDstColor);
case Blend.BlendFactor:
return(BlendingFactorSrc.ConstantColor);
case Blend.InverseBlendFactor:
return(BlendingFactorSrc.OneMinusConstantColor);
default:
throw Illegal.Value <Blend>();
}
}
public static BlendOption ConvertBlend(Blend blendFactor)
{
switch (blendFactor)
{
case Blend.Zero:
return(BlendOption.Zero);
case Blend.One:
return(BlendOption.One);
case Blend.SourceAlpha:
return(BlendOption.SourceAlpha);
case Blend.InverseSourceAlpha:
return(BlendOption.InverseSourceAlpha);
case Blend.DestinationAlpha:
return(BlendOption.DestinationAlpha);
case Blend.InverseDestinationAlpha:
return(BlendOption.InverseDestinationAlpha);
case Blend.SourceColor:
return(BlendOption.SourceColor);
case Blend.InverseSourceColor:
return(BlendOption.InverseSourceColor);
case Blend.DestinationColor:
return(BlendOption.DestinationColor);
case Blend.InverseDestinationColor:
return(BlendOption.InverseDestinationColor);
case Blend.BlendFactor:
return(BlendOption.BlendFactor);
case Blend.InverseBlendFactor:
return(BlendOption.InverseBlendFactor);
default:
throw Illegal.Value <Blend>();
}
}
internal static MTLBlendFactor VdToMTLBlendFactor(BlendFactor vdFactor)
{
switch (vdFactor)
{
case BlendFactor.Zero:
return(MTLBlendFactor.Zero);
case BlendFactor.One:
return(MTLBlendFactor.One);
case BlendFactor.SourceAlpha:
return(MTLBlendFactor.SourceAlpha);
case BlendFactor.InverseSourceAlpha:
return(MTLBlendFactor.OneMinusSourceAlpha);
case BlendFactor.DestinationAlpha:
return(MTLBlendFactor.DestinationAlpha);
case BlendFactor.InverseDestinationAlpha:
return(MTLBlendFactor.OneMinusDestinationAlpha);
case BlendFactor.SourceColor:
return(MTLBlendFactor.SourceColor);
case BlendFactor.InverseSourceColor:
return(MTLBlendFactor.OneMinusSourceColor);
case BlendFactor.DestinationColor:
return(MTLBlendFactor.DestinationColor);
case BlendFactor.InverseDestinationColor:
return(MTLBlendFactor.OneMinusDestinationColor);
case BlendFactor.BlendFactor:
return(MTLBlendFactor.BlendColor);
case BlendFactor.InverseBlendFactor:
return(MTLBlendFactor.OneMinusBlendColor);
default:
throw Illegal.Value <BlendFactor>();
}
}
internal static BlendOption ToD3D11BlendOption(BlendFactor factor)
{
switch (factor)
{
case BlendFactor.Zero:
return(BlendOption.Zero);
case BlendFactor.One:
return(BlendOption.One);
case BlendFactor.SourceAlpha:
return(BlendOption.SourceAlpha);
case BlendFactor.InverseSourceAlpha:
return(BlendOption.InverseSourceAlpha);
case BlendFactor.DestinationAlpha:
return(BlendOption.DestinationAlpha);
case BlendFactor.InverseDestinationAlpha:
return(BlendOption.InverseDestinationAlpha);
case BlendFactor.SourceColor:
return(BlendOption.SourceColor);
case BlendFactor.InverseSourceColor:
return(BlendOption.InverseSourceColor);
case BlendFactor.DestinationColor:
return(BlendOption.DestinationColor);
case BlendFactor.InverseDestinationColor:
return(BlendOption.InverseDestinationColor);
case BlendFactor.BlendFactor:
return(BlendOption.BlendFactor);
case BlendFactor.InverseBlendFactor:
return(BlendOption.BlendFactor);
default:
throw Illegal.Value <BlendFactor>();
}
}
internal static BlendingFactorDest VdToGLBlendFactorDest(BlendFactor factor)
{
switch (factor)
{
case BlendFactor.Zero:
return(BlendingFactorDest.Zero);
case BlendFactor.One:
return(BlendingFactorDest.One);
case BlendFactor.SourceAlpha:
return(BlendingFactorDest.SrcAlpha);
case BlendFactor.InverseSourceAlpha:
return(BlendingFactorDest.OneMinusSrcAlpha);
case BlendFactor.DestinationAlpha:
return(BlendingFactorDest.DstAlpha);
case BlendFactor.InverseDestinationAlpha:
return(BlendingFactorDest.OneMinusDstAlpha);
case BlendFactor.SourceColor:
return(BlendingFactorDest.SrcColor);
case BlendFactor.InverseSourceColor:
return(BlendingFactorDest.OneMinusSrcColor);
case BlendFactor.DestinationColor:
return(BlendingFactorDest.DstColor);
case BlendFactor.InverseDestinationColor:
return(BlendingFactorDest.OneMinusDstColor);
case BlendFactor.BlendFactor:
return(BlendingFactorDest.ConstantColor);
case BlendFactor.InverseBlendFactor:
return(BlendingFactorDest.OneMinusConstantColor);
default:
throw Illegal.Value <BlendFactor>();
}
}
internal static VertexAttribPointerType VdToGLVertexAttribPointerType(VertexElementFormat format)
{
switch (format)
{
case VertexElementFormat.Float1:
case VertexElementFormat.Float2:
case VertexElementFormat.Float3:
case VertexElementFormat.Float4:
return(VertexAttribPointerType.Float);
case VertexElementFormat.Byte1:
case VertexElementFormat.Byte2:
case VertexElementFormat.Byte4:
return(VertexAttribPointerType.UnsignedByte);
default:
throw Illegal.Value <VertexElementFormat>();
}
}
internal static VkDescriptorType VdToVkDescriptorType(ResourceKind kind)
{
switch (kind)
{
case ResourceKind.UniformBuffer:
return VkDescriptorType.UniformBuffer;
case ResourceKind.StructuredBufferReadWrite:
case ResourceKind.StructuredBufferReadOnly:
return VkDescriptorType.StorageBuffer;
case ResourceKind.TextureReadOnly:
return VkDescriptorType.SampledImage;
case ResourceKind.TextureReadWrite:
return VkDescriptorType.StorageImage;
case ResourceKind.Sampler:
return VkDescriptorType.Sampler;
default:
throw Illegal.Value<ResourceKind>();
}
}
internal static PixelFormat ToVdFormat(Format format)
{
switch (format)
{
case Format.R8G8B8A8_UNorm:
return(PixelFormat.R8_G8_B8_A8_UNorm);
case Format.B8G8R8A8_UNorm:
return(PixelFormat.B8_G8_R8_A8_UNorm);
case Format.R8_UNorm:
return(PixelFormat.R8_UNorm);
case Format.R8G8_SNorm:
return(PixelFormat.R8_G8_SNorm);
case Format.R16_UNorm:
case Format.D16_UNorm:
return(PixelFormat.R16_UNorm);
case Format.R32G32B32A32_Float:
return(PixelFormat.R32_G32_B32_A32_Float);
case Format.R32G32B32A32_UInt:
return(PixelFormat.R32_G32_B32_A32_UInt);
case Format.R32_Float:
return(PixelFormat.R32_Float);
case Format.D24_UNorm_S8_UInt:
return(PixelFormat.D24_UNorm_S8_UInt);
case Format.D32_Float_S8X24_UInt:
return(PixelFormat.D32_Float_S8_UInt);
case Format.D32_Float:
return(PixelFormat.R32_Float);
default:
throw Illegal.Value <PixelFormat>();
}
}
internal static PixelInternalFormat MapPixelInternalFormat(PixelFormat format)
{
switch (format)
{
case PixelFormat.R32_G32_B32_A32_Float:
return(PixelInternalFormat.Rgba);
case PixelFormat.R8_UInt:
return(PixelInternalFormat.Alpha);
case PixelFormat.R16_UInt:
return(PixelInternalFormat.Alpha);
case PixelFormat.R8_G8_B8_A8_UInt:
return(PixelInternalFormat.Rgba);
default:
throw Illegal.Value <PixelFormat>();
}
}
private static string GetSemanticName(VertexSemanticType semanticType)
{
switch (semanticType)
{
case VertexSemanticType.Position:
return("POSITION");
case VertexSemanticType.TextureCoordinate:
return("TEXCOORD");
case VertexSemanticType.Normal:
return("NORMAL");
case VertexSemanticType.Color:
return("COLOR");
default:
throw Illegal.Value <VertexSemanticType>();
}
}
public int GetAndIncrement(VertexSemanticType type)
{
switch (type)
{
case VertexSemanticType.Position:
return(_position++);
case VertexSemanticType.TextureCoordinate:
return(_texCoord++);
case VertexSemanticType.Normal:
return(_normal++);
case VertexSemanticType.Color:
return(_color++);
default:
throw Illegal.Value <VertexSemanticType>();
}
}
public static ShaderType VeldridToGLShaderType(ShaderStages type)
{
switch (type)
{
case ShaderStages.Vertex:
return(ShaderType.VertexShader);
case ShaderStages.Fragment:
return(ShaderType.FragmentShader);
case ShaderStages.TessellationControl:
case ShaderStages.TessellationEvaluation:
case ShaderStages.Geometry:
// NOTE: OpenGL ES 3.2 supports Tessellation and Geometry shaders.
throw new NotSupportedException($"Shaders of type {type} are not supported in OpenGL ES.");
default:
throw Illegal.Value <ShaderStages>();
}
}
internal static TextureAddressMode VdToD3D11AddressMode(SamplerAddressMode mode)
{
switch (mode)
{
case SamplerAddressMode.Wrap:
return(TextureAddressMode.Wrap);
case SamplerAddressMode.Mirror:
return(TextureAddressMode.Mirror);
case SamplerAddressMode.Clamp:
return(TextureAddressMode.Clamp);
case SamplerAddressMode.Border:
return(TextureAddressMode.Border);
default:
throw Illegal.Value <SamplerAddressMode>();
}
}
public static VkSamplerAddressMode VeldridToVkSamplerAddressMode(SamplerAddressMode mode)
{
switch (mode)
{
case SamplerAddressMode.Wrap:
return(VkSamplerAddressMode.Repeat);
case SamplerAddressMode.Mirror:
return(VkSamplerAddressMode.MirroredRepeat);
case SamplerAddressMode.Clamp:
return(VkSamplerAddressMode.ClampToEdge);
case SamplerAddressMode.Border:
return(VkSamplerAddressMode.ClampToBorder);
default:
throw Illegal.Value <SamplerAddressMode>();
}
}
/// <summary>
/// Gets the size of an individual pixel data point for the given <see cref="PixelFormat"/>.
/// </summary>
/// <param name="format">The format of pixel data.</param>
/// <returns>The size of an individual pixel in bytes.</returns>
public static int GetSizeInBytes(this PixelFormat format)
{
switch (format)
{
case PixelFormat.R32_G32_B32_A32_Float:
return(sizeof(float) * 4);
case PixelFormat.Alpha_UInt8:
return(sizeof(byte));
case PixelFormat.R8_G8_B8_A8:
return(sizeof(byte) * 4);
case PixelFormat.Alpha_UInt16:
return(sizeof(ushort));
default:
throw Illegal.Value <PixelFormat>();
}
}
private static WindowState OpenTKToVeldridState(OpenTK.WindowState openTKState, WindowBorder border)
{
switch (openTKState)
{
case OpenTK.WindowState.Normal:
return(border == WindowBorder.Hidden ? WindowState.BorderlessFullScreen : WindowState.Normal);
case OpenTK.WindowState.Minimized:
return(WindowState.Minimized);
case OpenTK.WindowState.Maximized:
return(WindowState.Maximized);
case OpenTK.WindowState.Fullscreen:
return(WindowState.FullScreen);
default:
throw Illegal.Value <WindowState>();
}
}
private static OpenTK.WindowState VeldridToOpenTKState(WindowState state)
{
switch (state)
{
case WindowState.Normal:
return(OpenTK.WindowState.Normal);
case WindowState.FullScreen:
return(OpenTK.WindowState.Fullscreen);
case WindowState.Maximized:
return(OpenTK.WindowState.Maximized);
case WindowState.Minimized:
return(OpenTK.WindowState.Minimized);
default:
throw Illegal.Value <WindowState>();
}
}
internal static SamplerAddressMode D3DToVeldridSamplerAddressMode(TextureAddressMode mode)
{
switch (mode)
{
case TextureAddressMode.Wrap:
return(SamplerAddressMode.Wrap);
case TextureAddressMode.Mirror:
return(SamplerAddressMode.Mirror);
case TextureAddressMode.Clamp:
return(SamplerAddressMode.Clamp);
case TextureAddressMode.Border:
return(SamplerAddressMode.Border);
default:
throw Illegal.Value <TextureAddressMode>();
}
}
internal static VkSampleCountFlags VdToVkSampleCount(TextureSampleCount sampleCount)
{
switch (sampleCount)
{
case TextureSampleCount.Count1:
return VkSampleCountFlags.Count1;
case TextureSampleCount.Count2:
return VkSampleCountFlags.Count2;
case TextureSampleCount.Count4:
return VkSampleCountFlags.Count4;
case TextureSampleCount.Count8:
return VkSampleCountFlags.Count8;
case TextureSampleCount.Count16:
return VkSampleCountFlags.Count16;
case TextureSampleCount.Count32:
return VkSampleCountFlags.Count32;
default:
throw Illegal.Value<TextureSampleCount>();
}
}
internal static TextureWrapMode VdToGLTextureWrapMode(SamplerAddressMode mode)
{
switch (mode)
{
case SamplerAddressMode.Wrap:
return(TextureWrapMode.Repeat);
case SamplerAddressMode.Mirror:
return(TextureWrapMode.MirroredRepeat);
case SamplerAddressMode.Clamp:
return(TextureWrapMode.Clamp);
case SamplerAddressMode.Border:
return(TextureWrapMode.ClampToBorder);
default:
throw Illegal.Value <SamplerAddressMode>();
}
}
public static int GetAndIncrement(ref SemanticIndices si, VertexElementSemantic type)
{
switch (type)
{
case VertexElementSemantic.Position:
return(si._position++);
case VertexElementSemantic.TextureCoordinate:
return(si._texCoord++);
case VertexElementSemantic.Normal:
return(si._normal++);
case VertexElementSemantic.Color:
return(si._color++);
default:
throw Illegal.Value <VertexElementSemantic>();
}
}
private string GetSemanticString(VertexElementSemantic semantic)
{
switch (semantic)
{
case VertexElementSemantic.Position:
return("POSITION");
case VertexElementSemantic.Normal:
return("NORMAL");
case VertexElementSemantic.TextureCoordinate:
return("TEXCOORD");
case VertexElementSemantic.Color:
return("COLOR");
default:
throw Illegal.Value <VertexElementSemantic>();
}
}
internal static MTLSamplerAddressMode VdToMTLAddressMode(SamplerAddressMode mode)
{
switch (mode)
{
case SamplerAddressMode.Border:
return(MTLSamplerAddressMode.ClampToBorderColor);
case SamplerAddressMode.Clamp:
return(MTLSamplerAddressMode.ClampToEdge);
case SamplerAddressMode.Mirror:
return(MTLSamplerAddressMode.MirrorRepeat);
case SamplerAddressMode.Wrap:
return(MTLSamplerAddressMode.Repeat);
default:
throw Illegal.Value <SamplerAddressMode>();
}
}
internal static Format ConvertPixelFormat(PixelFormat format)
{
switch (format)
{
case PixelFormat.R32_G32_B32_A32_Float:
return(Format.R32G32B32A32_Float);
case PixelFormat.R8_UInt:
return(Format.R8_UInt);
case PixelFormat.Alpha_UInt8:
return(Format.A8_UNorm);
case PixelFormat.R8_G8_B8_A8:
return(Format.R8G8B8A8_UNorm);
default:
throw Illegal.Value <PixelFormat>();
}
}
public static int GetPixelSizeInBytes(PixelFormat veldridFormat)
{
switch (veldridFormat)
{
case PixelFormat.R32_G32_B32_A32_Float:
return(16);
case PixelFormat.R16_UInt:
return(2);
case PixelFormat.R8_G8_B8_A8_UInt:
case PixelFormat.B8_G8_R8_A8_UInt:
return(4);
case PixelFormat.R8_UInt:
return(1);
default:
throw Illegal.Value <PixelFormat>();
}
}
public static PixelType MapPixelType(PixelFormat format)
{
switch (format)
{
case PixelFormat.R32_G32_B32_A32_Float:
return(PixelType.Float);
case PixelFormat.R8_UInt:
return(PixelType.UnsignedByte);
case PixelFormat.R16_UInt:
return(PixelType.UnsignedShort);
case PixelFormat.R8_G8_B8_A8_UInt:
case PixelFormat.B8_G8_R8_A8_UInt:
return(PixelType.UnsignedByte);
default:
throw Illegal.Value <PixelFormat>();
}
}
internal static TextureWrapMode VeldridToGLTextureWrapMode(SamplerAddressMode mode)
{
switch (mode)
{
case SamplerAddressMode.Wrap:
return(TextureWrapMode.Repeat);
case SamplerAddressMode.Mirror:
Debug.WriteLine("SamplerAddressMode.Mirror is not supported on OpenGL ES.");
return(TextureWrapMode.Clamp);
case SamplerAddressMode.Clamp:
return(TextureWrapMode.Clamp);
case SamplerAddressMode.Border:
return(TextureWrapMode.ClampToBorder);
default:
throw Illegal.Value <SamplerAddressMode>();
}
}
internal static GLPixelType VdToGLPixelType(PixelFormat format)
{
switch (format)
{
case PixelFormat.R8_G8_B8_A8_UNorm:
case PixelFormat.B8_G8_R8_A8_UNorm:
case PixelFormat.R8_UNorm:
return(GLPixelType.UnsignedByte);
case PixelFormat.R8_G8_SNorm:
return(GLPixelType.Byte);
case PixelFormat.R16_UNorm:
return(GLPixelType.UnsignedShort);
case PixelFormat.R32_G32_B32_A32_Float:
return(GLPixelType.Float);
case PixelFormat.R32_G32_B32_A32_UInt:
return(GLPixelType.UnsignedInt);
case PixelFormat.R32_Float:
return(GLPixelType.Float);
case PixelFormat.BC1_Rgb_UNorm:
case PixelFormat.BC1_Rgba_UNorm:
case PixelFormat.BC2_UNorm:
case PixelFormat.BC3_UNorm:
return(GLPixelType.UnsignedByte); // ?
case PixelFormat.D32_Float_S8_UInt:
return(GLPixelType.Float32UnsignedInt248Rev);
case PixelFormat.D24_UNorm_S8_UInt:
return(GLPixelType.UnsignedInt248);
default:
throw Illegal.Value <PixelFormat>();
}
}
/// <summary>
/// Gets the number of individual vertex components from a given format.
/// </summary>
/// <param name="format">The vertex format.</param>
/// <returns>The number of vertex components.</returns>
public static byte GetElementCount(VertexElementFormat format)
{
switch (format)
{
case VertexElementFormat.Byte1:
case VertexElementFormat.Float1:
return(1);
case VertexElementFormat.Float2:
return(2);
case VertexElementFormat.Float3:
return(3);
case VertexElementFormat.Float4:
case VertexElementFormat.Byte4:
return(4);
default:
throw Illegal.Value <VertexElementFormat>();
}
}
internal static GLPixelType VdToGLPixelType(PixelFormat format)
{
switch (format)
{
case PixelFormat.R8_G8_B8_A8_UNorm:
case PixelFormat.B8_G8_R8_A8_UNorm:
case PixelFormat.R8_UNorm:
return(GLPixelType.UnsignedByte);
case PixelFormat.R16_UNorm:
return(GLPixelType.UnsignedShort);
case PixelFormat.R32_G32_B32_A32_Float:
return(GLPixelType.Float);
case PixelFormat.R32_Float:
return(GLPixelType.Float);
default:
throw Illegal.Value <PixelFormat>();
}
}
