internal Image(Device device, VkImage image, VkFormat format) //for images that are implicitly created, eg a swapchains's images
{
Device = device;
this.image = image;
Format = format;
}
public static void vkGetFormatSize(VkFormat format, out VkFormatSize pFormatSize)
{
switch (format)
{
case VkFormat.R4g4UnormPack8:
pFormatSize.flags = VkFormatSizeFlag.SizePacked;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 1 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.R4g4b4a4UnormPack16:
case VkFormat.B4g4r4a4UnormPack16:
case VkFormat.R5g6b5UnormPack16:
case VkFormat.B5g6r5UnormPack16:
case VkFormat.R5g5b5a1UnormPack16:
case VkFormat.B5g5r5a1UnormPack16:
case VkFormat.A1r5g5b5UnormPack16:
pFormatSize.flags = VkFormatSizeFlag.SizePacked;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 2 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.R8Unorm:
case VkFormat.R8Snorm:
case VkFormat.R8Uscaled:
case VkFormat.R8Sscaled:
case VkFormat.R8Uint:
case VkFormat.R8Sint:
case VkFormat.R8Srgb:
pFormatSize.flags = 0;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 1 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.R8g8Unorm:
case VkFormat.R8g8Snorm:
case VkFormat.R8g8Uscaled:
case VkFormat.R8g8Sscaled:
case VkFormat.R8g8Uint:
case VkFormat.R8g8Sint:
case VkFormat.R8g8Srgb:
pFormatSize.flags = 0;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 2 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.R8g8b8Unorm:
case VkFormat.R8g8b8Snorm:
case VkFormat.R8g8b8Uscaled:
case VkFormat.R8g8b8Sscaled:
case VkFormat.R8g8b8Uint:
case VkFormat.R8g8b8Sint:
case VkFormat.R8g8b8Srgb:
case VkFormat.B8g8r8Unorm:
case VkFormat.B8g8r8Snorm:
case VkFormat.B8g8r8Uscaled:
case VkFormat.B8g8r8Sscaled:
case VkFormat.B8g8r8Uint:
case VkFormat.B8g8r8Sint:
case VkFormat.B8g8r8Srgb:
pFormatSize.flags = 0;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 3 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.R8g8b8a8Unorm:
case VkFormat.R8g8b8a8Snorm:
case VkFormat.R8g8b8a8Uscaled:
case VkFormat.R8g8b8a8Sscaled:
case VkFormat.R8g8b8a8Uint:
case VkFormat.R8g8b8a8Sint:
case VkFormat.R8g8b8a8Srgb:
case VkFormat.B8g8r8a8Unorm:
case VkFormat.B8g8r8a8Snorm:
case VkFormat.B8g8r8a8Uscaled:
case VkFormat.B8g8r8a8Sscaled:
case VkFormat.B8g8r8a8Uint:
case VkFormat.B8g8r8a8Sint:
case VkFormat.B8g8r8a8Srgb:
pFormatSize.flags = 0;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 4 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.A8b8g8r8UnormPack32:
case VkFormat.A8b8g8r8SnormPack32:
case VkFormat.A8b8g8r8UscaledPack32:
case VkFormat.A8b8g8r8SscaledPack32:
case VkFormat.A8b8g8r8UintPack32:
case VkFormat.A8b8g8r8SintPack32:
case VkFormat.A8b8g8r8SrgbPack32:
pFormatSize.flags = VkFormatSizeFlag.SizePacked;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 4 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.A2r10g10b10UnormPack32:
case VkFormat.A2r10g10b10SnormPack32:
case VkFormat.A2r10g10b10UscaledPack32:
case VkFormat.A2r10g10b10SscaledPack32:
case VkFormat.A2r10g10b10UintPack32:
case VkFormat.A2r10g10b10SintPack32:
case VkFormat.A2b10g10r10UnormPack32:
case VkFormat.A2b10g10r10SnormPack32:
case VkFormat.A2b10g10r10UscaledPack32:
case VkFormat.A2b10g10r10SscaledPack32:
case VkFormat.A2b10g10r10UintPack32:
case VkFormat.A2b10g10r10SintPack32:
pFormatSize.flags = VkFormatSizeFlag.SizePacked;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 4 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.R16Unorm:
case VkFormat.R16Snorm:
case VkFormat.R16Uscaled:
case VkFormat.R16Sscaled:
case VkFormat.R16Uint:
case VkFormat.R16Sint:
case VkFormat.R16Sfloat:
pFormatSize.flags = 0;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 2 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.R16g16Unorm:
case VkFormat.R16g16Snorm:
case VkFormat.R16g16Uscaled:
case VkFormat.R16g16Sscaled:
case VkFormat.R16g16Uint:
case VkFormat.R16g16Sint:
case VkFormat.R16g16Sfloat:
pFormatSize.flags = 0;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 4 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.R16g16b16Unorm:
case VkFormat.R16g16b16Snorm:
case VkFormat.R16g16b16Uscaled:
case VkFormat.R16g16b16Sscaled:
case VkFormat.R16g16b16Uint:
case VkFormat.R16g16b16Sint:
case VkFormat.R16g16b16Sfloat:
pFormatSize.flags = 0;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 6 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.R16g16b16a16Unorm:
case VkFormat.R16g16b16a16Snorm:
case VkFormat.R16g16b16a16Uscaled:
case VkFormat.R16g16b16a16Sscaled:
case VkFormat.R16g16b16a16Uint:
case VkFormat.R16g16b16a16Sint:
case VkFormat.R16g16b16a16Sfloat:
pFormatSize.flags = 0;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 8 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.R32Uint:
case VkFormat.R32Sint:
case VkFormat.R32Sfloat:
pFormatSize.flags = 0;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 4 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.R32g32Uint:
case VkFormat.R32g32Sint:
case VkFormat.R32g32Sfloat:
pFormatSize.flags = 0;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 8 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.R32g32b32Uint:
case VkFormat.R32g32b32Sint:
case VkFormat.R32g32b32Sfloat:
pFormatSize.flags = 0;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 12 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.R32g32b32a32Uint:
case VkFormat.R32g32b32a32Sint:
case VkFormat.R32g32b32a32Sfloat:
pFormatSize.flags = 0;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.R64Uint:
case VkFormat.R64Sint:
case VkFormat.R64Sfloat:
pFormatSize.flags = 0;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 8 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.R64g64Uint:
case VkFormat.R64g64Sint:
case VkFormat.R64g64Sfloat:
pFormatSize.flags = 0;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.R64g64b64Uint:
case VkFormat.R64g64b64Sint:
case VkFormat.R64g64b64Sfloat:
pFormatSize.flags = 0;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 24 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.R64g64b64a64Uint:
case VkFormat.R64g64b64a64Sint:
case VkFormat.R64g64b64a64Sfloat:
pFormatSize.flags = 0;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 32 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.B10g11r11UfloatPack32:
case VkFormat.E5b9g9r9UfloatPack32:
pFormatSize.flags = VkFormatSizeFlag.SizePacked;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 4 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.D16Unorm:
pFormatSize.flags = VkFormatSizeFlag.SizeDepth;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 2 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.X8D24UnormPack32:
pFormatSize.flags = VkFormatSizeFlag.SizePacked | VkFormatSizeFlag.SizeDepth;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 4 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.D32Sfloat:
pFormatSize.flags = VkFormatSizeFlag.SizeDepth;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 4 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.S8Uint:
pFormatSize.flags = VkFormatSizeFlag.SizeStencil;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 1 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.D16UnormS8Uint:
pFormatSize.flags = VkFormatSizeFlag.SizeDepth | VkFormatSizeFlag.SizeStencil;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 3 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.D24UnormS8Uint:
pFormatSize.flags = VkFormatSizeFlag.SizeDepth | VkFormatSizeFlag.SizeStencil;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 4 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.D32SfloatS8Uint:
pFormatSize.flags = VkFormatSizeFlag.SizeDepth | VkFormatSizeFlag.SizeStencil;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 8 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Bc1RgbUnormBlock:
case VkFormat.Bc1RgbSrgbBlock:
case VkFormat.Bc1RgbaUnormBlock:
case VkFormat.Bc1RgbaSrgbBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 8 * 8;
pFormatSize.blockWidth = 4;
pFormatSize.blockHeight = 4;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Bc2UnormBlock:
case VkFormat.Bc2SrgbBlock:
case VkFormat.Bc3UnormBlock:
case VkFormat.Bc3SrgbBlock:
case VkFormat.Bc4UnormBlock:
case VkFormat.Bc4SnormBlock:
case VkFormat.Bc5UnormBlock:
case VkFormat.Bc5SnormBlock:
case VkFormat.Bc6hUfloatBlock:
case VkFormat.Bc6hSfloatBlock:
case VkFormat.Bc7UnormBlock:
case VkFormat.Bc7SrgbBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 4;
pFormatSize.blockHeight = 4;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Etc2R8g8b8UnormBlock:
case VkFormat.Etc2R8g8b8SrgbBlock:
case VkFormat.Etc2R8g8b8a1UnormBlock:
case VkFormat.Etc2R8g8b8a1SrgbBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 8 * 8;
pFormatSize.blockWidth = 4;
pFormatSize.blockHeight = 4;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Etc2R8g8b8a8UnormBlock:
case VkFormat.Etc2R8g8b8a8SrgbBlock:
case VkFormat.EacR11UnormBlock:
case VkFormat.EacR11SnormBlock:
case VkFormat.EacR11g11UnormBlock:
case VkFormat.EacR11g11SnormBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 4;
pFormatSize.blockHeight = 4;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Astc4x4UnormBlock:
case VkFormat.Astc4x4SrgbBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 4;
pFormatSize.blockHeight = 4;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Astc5x4UnormBlock:
case VkFormat.Astc5x4SrgbBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 5;
pFormatSize.blockHeight = 4;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Astc5x5UnormBlock:
case VkFormat.Astc5x5SrgbBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 5;
pFormatSize.blockHeight = 5;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Astc6x5UnormBlock:
case VkFormat.Astc6x5SrgbBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 6;
pFormatSize.blockHeight = 5;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Astc6x6UnormBlock:
case VkFormat.Astc6x6SrgbBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 6;
pFormatSize.blockHeight = 6;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Astc8x5UnormBlock:
case VkFormat.Astc8x5SrgbBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 8;
pFormatSize.blockHeight = 5;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Astc8x6UnormBlock:
case VkFormat.Astc8x6SrgbBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 8;
pFormatSize.blockHeight = 6;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Astc8x8UnormBlock:
case VkFormat.Astc8x8SrgbBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 8;
pFormatSize.blockHeight = 8;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Astc10x5UnormBlock:
case VkFormat.Astc10x5SrgbBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 10;
pFormatSize.blockHeight = 5;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Astc10x6UnormBlock:
case VkFormat.Astc10x6SrgbBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 10;
pFormatSize.blockHeight = 6;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Astc10x8UnormBlock:
case VkFormat.Astc10x8SrgbBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 10;
pFormatSize.blockHeight = 8;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Astc10x10UnormBlock:
case VkFormat.Astc10x10SrgbBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 10;
pFormatSize.blockHeight = 10;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Astc12x10UnormBlock:
case VkFormat.Astc12x10SrgbBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 12;
pFormatSize.blockHeight = 10;
pFormatSize.blockDepth = 1;
break;
case VkFormat.Astc12x12UnormBlock:
case VkFormat.Astc12x12SrgbBlock:
pFormatSize.flags = VkFormatSizeFlag.SizeCompressed;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 16 * 8;
pFormatSize.blockWidth = 12;
pFormatSize.blockHeight = 12;
pFormatSize.blockDepth = 1;
break;
default:
pFormatSize.flags = 0;
pFormatSize.paletteSizeInBits = 0;
pFormatSize.blockSizeInBits = 0 * 8;
pFormatSize.blockWidth = 1;
pFormatSize.blockHeight = 1;
pFormatSize.blockDepth = 1;
break;
}
}
private void InitializeFromImpl(DataBox[] dataBoxes = null)
{
NativeFormat = VulkanConvertExtensions.ConvertPixelFormat(ViewFormat);
HasStencil = IsStencilFormat(ViewFormat);
NativeImageAspect = IsDepthStencil ? VkImageAspectFlags.Depth : VkImageAspectFlags.Color;
if (HasStencil)
{
NativeImageAspect |= VkImageAspectFlags.Stencil;
}
// For depth-stencil formats, automatically fall back to a supported one
if (IsDepthStencil && HasStencil)
{
NativeFormat = GetFallbackDepthStencilFormat(GraphicsDevice, NativeFormat);
}
if (Usage == GraphicsResourceUsage.Staging)
{
if (NativeImage != VkImage.Null)
{
throw new InvalidOperationException();
}
if (isNotOwningResources)
{
throw new InvalidOperationException();
}
NativeAccessMask = VkAccessFlags.HostRead | VkAccessFlags.HostWrite;
NativePipelineStageMask = VkPipelineStageFlags.Host;
if (ParentTexture != null)
{
// Create only a view
NativeBuffer = ParentTexture.NativeBuffer;
NativeMemory = ParentTexture.NativeMemory;
}
else
{
CreateBuffer();
if (dataBoxes != null && dataBoxes.Length > 0)
{
throw new InvalidOperationException();
}
}
}
else
{
if (NativeImage != VkImage.Null)
{
throw new InvalidOperationException();
}
NativeLayout =
IsRenderTarget ? VkImageLayout.ColorAttachmentOptimal :
IsDepthStencil ? VkImageLayout.DepthStencilAttachmentOptimal :
IsShaderResource ? VkImageLayout.ShaderReadOnlyOptimal :
VkImageLayout.General;
if (NativeLayout == VkImageLayout.TransferDstOptimal)
{
NativeAccessMask = VkAccessFlags.TransferRead;
}
if (NativeLayout == VkImageLayout.ColorAttachmentOptimal)
{
NativeAccessMask = VkAccessFlags.ColorAttachmentWrite;
}
if (NativeLayout == VkImageLayout.DepthStencilAttachmentOptimal)
{
NativeAccessMask = VkAccessFlags.DepthStencilAttachmentWrite;
}
if (NativeLayout == VkImageLayout.ShaderReadOnlyOptimal)
{
NativeAccessMask = VkAccessFlags.ShaderRead | VkAccessFlags.InputAttachmentRead;
}
NativePipelineStageMask =
IsRenderTarget ? VkPipelineStageFlags.ColorAttachmentOutput :
IsDepthStencil ? VkPipelineStageFlags.ColorAttachmentOutput | VkPipelineStageFlags.EarlyFragmentTests | VkPipelineStageFlags.LateFragmentTests :
IsShaderResource ? VkPipelineStageFlags.VertexInput | VkPipelineStageFlags.FragmentShader :
VkPipelineStageFlags.None;
if (ParentTexture != null)
{
// Create only a view
NativeImage = ParentTexture.NativeImage;
NativeMemory = ParentTexture.NativeMemory;
}
else
{
if (!isNotOwningResources)
{
CreateImage();
InitializeImage(dataBoxes);
}
}
if (!isNotOwningResources)
{
NativeColorAttachmentView = GetColorAttachmentView(ViewType, ArraySlice, MipLevel);
NativeDepthStencilView = GetDepthStencilView();
NativeImageView = GetImageView(ViewType, ArraySlice, MipLevel);
}
}
}
private void CreateSwapchain(uint width, uint height)
{
_currentImageIndex = 0;
uint surfaceFormatCount = 0;
vkGetPhysicalDeviceSurfaceFormatsKHR(_gd.PhysicalDevice, _surface, ref surfaceFormatCount, null);
VkSurfaceFormatKHR[] formats = new VkSurfaceFormatKHR[surfaceFormatCount];
vkGetPhysicalDeviceSurfaceFormatsKHR(_gd.PhysicalDevice, _surface, ref surfaceFormatCount, out formats[0]);
VkSurfaceFormatKHR surfaceFormat = new VkSurfaceFormatKHR();
if (formats.Length == 1 && formats[0].format == VkFormat.Undefined)
{
surfaceFormat = new VkSurfaceFormatKHR {
colorSpace = VkColorSpaceKHR.SrgbNonlinearKHR, format = VkFormat.B8g8r8a8Unorm
};
}
else
{
foreach (VkSurfaceFormatKHR format in formats)
{
if (format.colorSpace == VkColorSpaceKHR.SrgbNonlinearKHR && format.format == VkFormat.B8g8r8a8Unorm)
{
surfaceFormat = format;
break;
}
}
if (surfaceFormat.format == VkFormat.Undefined)
{
surfaceFormat = formats[0];
}
}
uint presentModeCount = 0;
vkGetPhysicalDeviceSurfacePresentModesKHR(_gd.PhysicalDevice, _surface, ref presentModeCount, null);
VkPresentModeKHR[] presentModes = new VkPresentModeKHR[presentModeCount];
vkGetPhysicalDeviceSurfacePresentModesKHR(_gd.PhysicalDevice, _surface, ref presentModeCount, out presentModes[0]);
VkPresentModeKHR presentMode = VkPresentModeKHR.FifoKHR;
if (presentModes.Contains(VkPresentModeKHR.MailboxKHR))
{
presentMode = VkPresentModeKHR.MailboxKHR;
}
else if (presentModes.Contains(VkPresentModeKHR.ImmediateKHR))
{
presentMode = VkPresentModeKHR.ImmediateKHR;
}
vkGetPhysicalDeviceSurfaceCapabilitiesKHR(_gd.PhysicalDevice, _surface, out VkSurfaceCapabilitiesKHR surfaceCapabilities);
uint imageCount = surfaceCapabilities.minImageCount + 1;
VkSwapchainCreateInfoKHR swapchainCI = VkSwapchainCreateInfoKHR.New();
swapchainCI.surface = _surface;
swapchainCI.presentMode = presentMode;
swapchainCI.imageFormat = surfaceFormat.format;
swapchainCI.imageColorSpace = surfaceFormat.colorSpace;
swapchainCI.imageExtent = new VkExtent2D {
width = (uint)width, height = (uint)height
};
swapchainCI.minImageCount = imageCount;
swapchainCI.imageArrayLayers = 1;
swapchainCI.imageUsage = VkImageUsageFlags.ColorAttachment;
FixedArray2 <uint> queueFamilyIndices = new FixedArray2 <uint>(_gd.GraphicsQueueIndex, _gd.PresentQueueIndex);
if (_gd.GraphicsQueueIndex != _gd.PresentQueueIndex)
{
swapchainCI.imageSharingMode = VkSharingMode.Concurrent;
swapchainCI.queueFamilyIndexCount = 2;
swapchainCI.pQueueFamilyIndices = &queueFamilyIndices.First;
}
else
{
swapchainCI.imageSharingMode = VkSharingMode.Exclusive;
swapchainCI.queueFamilyIndexCount = 0;
}
swapchainCI.preTransform = surfaceCapabilities.currentTransform;
swapchainCI.compositeAlpha = VkCompositeAlphaFlagsKHR.OpaqueKHR;
swapchainCI.clipped = true;
VkSwapchainKHR oldSwapchain = _swapchain;
swapchainCI.oldSwapchain = oldSwapchain;
VkResult result = vkCreateSwapchainKHR(_gd.Device, ref swapchainCI, null, out _swapchain);
CheckResult(result);
if (oldSwapchain != VkSwapchainKHR.Null)
{
vkDestroySwapchainKHR(_gd.Device, oldSwapchain, null);
}
// Get the images
uint scImageCount = 0;
result = vkGetSwapchainImagesKHR(_gd.Device, _swapchain, ref scImageCount, null);
CheckResult(result);
if (_scImages == null)
{
_scImages = new VkImage[(int)scImageCount];
}
result = vkGetSwapchainImagesKHR(_gd.Device, _swapchain, ref scImageCount, out _scImages[0]);
CheckResult(result);
_scImageFormat = surfaceFormat.format;
_scExtent = swapchainCI.imageExtent;
CreateDepthTexture();
CreateFramebuffers();
}
private VkSwapchainKHR CreateSwapchain()
{
VkSurfaceCapabilitiesKHR capabilities;
vkGetPhysicalDeviceSurfaceCapabilitiesKHR(Context.PhysicalDevice, Surface, out capabilities).CheckResult();
uint count;
vkGetPhysicalDeviceSurfaceFormatsKHR(Context.PhysicalDevice, Surface, &count, null);
VkSurfaceFormatKHR[] formats = new VkSurfaceFormatKHR[(int)count];
fixed(VkSurfaceFormatKHR *formatsPtr = formats)
vkGetPhysicalDeviceSurfaceFormatsKHR(Context.PhysicalDevice, Surface, &count, formatsPtr).CheckResult();
vkGetPhysicalDeviceSurfacePresentModesKHR(Context.PhysicalDevice, Surface, &count, null).CheckResult();
VkPresentModeKHR[] presentModes = new VkPresentModeKHR[count];
fixed(VkPresentModeKHR *presentModesPtr = presentModes)
vkGetPhysicalDeviceSurfacePresentModesKHR(Context.PhysicalDevice, Surface, &count, presentModesPtr).CheckResult();
VkFormat format = formats.Length == 1 && formats[0].format == VkFormat.Undefined
? VkFormat.B8G8R8A8UNorm
: formats[0].format;
VkPresentModeKHR presentMode =
presentModes.Contains(VkPresentModeKHR.Mailbox) ? VkPresentModeKHR.Mailbox :
presentModes.Contains(VkPresentModeKHR.FifoRelaxed) ? VkPresentModeKHR.FifoRelaxed :
presentModes.Contains(VkPresentModeKHR.Fifo) ? VkPresentModeKHR.Fifo :
VkPresentModeKHR.Immediate;
SwapChainSupportDetails swapChainSupport = QuerySwapChainSupport(Context.PhysicalDevice, Surface);
VkSurfaceFormatKHR surfaceFormat = ChooseSwapSurfaceFormat(swapChainSupport.Formats);
uint imageCount = swapChainSupport.Capabilities.minImageCount + 1;
if (swapChainSupport.Capabilities.maxImageCount > 0 &&
imageCount > swapChainSupport.Capabilities.maxImageCount)
{
imageCount = swapChainSupport.Capabilities.maxImageCount;
}
SwapchainFormat = format;
VkSwapchainCreateInfoKHR swapchainCI = new VkSwapchainCreateInfoKHR()
{
sType = VkStructureType.SwapchainCreateInfoKHR,
pNext = null,
surface = Surface,
minImageCount = imageCount,
imageFormat = format,
imageColorSpace = surfaceFormat.colorSpace,
imageExtent = capabilities.currentExtent,
imageUsage = VkImageUsageFlags.ColorAttachment,
preTransform = capabilities.currentTransform,
imageArrayLayers = 1,
imageSharingMode = VkSharingMode.Exclusive,
queueFamilyIndexCount = 0,
pQueueFamilyIndices = null,
presentMode = presentMode,
//oldSwapchain = SwapChain,
// Setting clipped to VK_TRUE allows the implementation to discard rendering outside of the Surface area
clipped = true,
compositeAlpha = VkCompositeAlphaFlagsKHR.Opaque,
};
VkSwapchainKHR SwapChain;
vkCreateSwapchainKHR(Context.Device, &swapchainCI, null, out SwapChain).CheckResult();
return(SwapChain);
}
internal static VkFormat GetFallbackDepthStencilFormat(GraphicsDevice device, VkFormat format)
{
if (format == VkFormat.D16UNormS8UInt || format == VkFormat.D24UNormS8UInt || format == VkFormat.D32SFloatS8UInt)
{
var fallbackFormats = new[] { format, VkFormat.D32SFloatS8UInt, VkFormat.D24UNormS8UInt, VkFormat.D16UNormS8UInt };
foreach (var fallbackFormat in fallbackFormats)
{
vkGetPhysicalDeviceFormatProperties(device.NativePhysicalDevice, fallbackFormat, out var formatProperties);
if ((formatProperties.optimalTilingFeatures & VkFormatFeatureFlags.DepthStencilAttachment) != 0)
{
format = fallbackFormat;
break;
}
}
}
return(format);
}
public void CreateSwapChain()
{
VkPhysicalDevice PhysicalDevice = NativeDevice.NativeAdapter.handle;
int width = Parameters.Width;
int height = Parameters.Height;
bool vsync = false;
// Get available queue family properties
uint queueCount;
vkGetPhysicalDeviceQueueFamilyProperties(PhysicalDevice, &queueCount, null);
VkQueueFamilyProperties *queueProps = stackalloc VkQueueFamilyProperties[(int)queueCount];
vkGetPhysicalDeviceQueueFamilyProperties(PhysicalDevice, &queueCount, queueProps);
// Iterate over each queue to learn whether it supports presenting:
// Find a queue with present support
// Will be used to present the swap chain Images to the windowing system
VkBool32 *supportsPresent = stackalloc VkBool32[(int)queueCount];
for (uint i = 0; i < queueCount; i++)
{
vkGetPhysicalDeviceSurfaceSupportKHR(PhysicalDevice, i, surface, out supportsPresent[i]);
}
// Search for a graphics and a present queue in the array of queue
// families, try to find one that supports both
uint graphicsQueueNodeIndex = uint.MaxValue;
uint presentQueueNodeIndex = uint.MaxValue;
for (uint i = 0; i < queueCount; i++)
{
if ((queueProps[i].queueFlags & VkQueueFlags.Graphics) != 0)
{
if (graphicsQueueNodeIndex is uint.MaxValue)
{
graphicsQueueNodeIndex = i;
}
if (supportsPresent[i] == true)
{
graphicsQueueNodeIndex = i;
presentQueueNodeIndex = i;
break;
}
}
}
if (presentQueueNodeIndex is uint.MaxValue)
{
// If there's no queue that supports both present and graphics
// try to find a separate present queue
for (uint i = 0; i < queueCount; ++i)
{
if (supportsPresent[i] == true)
{
presentQueueNodeIndex = i;
break;
}
}
}
// Exit if either a graphics or a presenting queue hasn't been found
if (graphicsQueueNodeIndex is uint.MaxValue || presentQueueNodeIndex is uint.MaxValue)
{
throw new InvalidOperationException("Could not find a graphics and/or presenting queue!");
}
// TODO : Add support for separate graphics and presenting queue
if (graphicsQueueNodeIndex != presentQueueNodeIndex)
{
throw new InvalidOperationException("Separate graphics and presenting queues are not supported yet!");
}
// Get list of supported Surface formats
uint formatCount;
vkGetPhysicalDeviceSurfaceFormatsKHR(PhysicalDevice, surface, &formatCount, null);
VkSurfaceFormatKHR *surfaceFormats = stackalloc VkSurfaceFormatKHR[(int)formatCount];
vkGetPhysicalDeviceSurfaceFormatsKHR(PhysicalDevice, surface, &formatCount, surfaceFormats);
// If the Surface format list only includes one entry with VK_FORMAT_UNDEFINED,
// there is no preferered format, so we assume VK_FORMAT_B8G8R8A8_UNORM
if ((formatCount is 1) && (surfaceFormats[0].format is VkFormat.Undefined))
{
color_format = VkFormat.B8G8R8A8UNorm;
color_space = surfaceFormats[0].colorSpace;
}
internal static PixelFormat VkToVdPixelFormat(VkFormat vkFormat)
{
switch (vkFormat)
{
case VkFormat.R8Unorm:
return(PixelFormat.R8_UNorm);
case VkFormat.R8Snorm:
return(PixelFormat.R8_SNorm);
case VkFormat.R8Uint:
return(PixelFormat.R8_UInt);
case VkFormat.R8Sint:
return(PixelFormat.R8_SInt);
case VkFormat.R16Unorm:
return(PixelFormat.R16_UNorm);
case VkFormat.R16Snorm:
return(PixelFormat.R16_SNorm);
case VkFormat.R16Uint:
return(PixelFormat.R16_UInt);
case VkFormat.R16Sint:
return(PixelFormat.R16_SInt);
case VkFormat.R16Sfloat:
return(PixelFormat.R16_Float);
case VkFormat.R32Uint:
return(PixelFormat.R32_UInt);
case VkFormat.R32Sint:
return(PixelFormat.R32_SInt);
case VkFormat.R32Sfloat:
return(PixelFormat.R32_Float);
case VkFormat.R8g8Unorm:
return(PixelFormat.R8_G8_UNorm);
case VkFormat.R8g8Snorm:
return(PixelFormat.R8_G8_SNorm);
case VkFormat.R8g8Uint:
return(PixelFormat.R8_G8_UInt);
case VkFormat.R8g8Sint:
return(PixelFormat.R8_G8_SInt);
case VkFormat.R16g16Unorm:
return(PixelFormat.R16_G16_UNorm);
case VkFormat.R16g16Snorm:
return(PixelFormat.R16_G16_SNorm);
case VkFormat.R16g16Uint:
return(PixelFormat.R16_G16_UInt);
case VkFormat.R16g16Sint:
return(PixelFormat.R16_G16_SInt);
case VkFormat.R16g16Sfloat:
return(PixelFormat.R16_G16_Float);
case VkFormat.R32g32Uint:
return(PixelFormat.R32_G32_UInt);
case VkFormat.R32g32Sint:
return(PixelFormat.R32_G32_SInt);
case VkFormat.R32g32Sfloat:
return(PixelFormat.R32_G32_Float);
case VkFormat.R8g8b8a8Unorm:
return(PixelFormat.R8_G8_B8_A8_UNorm);
case VkFormat.B8g8r8a8Unorm:
return(PixelFormat.B8_G8_R8_A8_UNorm);
case VkFormat.R8g8b8a8Snorm:
return(PixelFormat.R8_G8_B8_A8_SNorm);
case VkFormat.R8g8b8a8Uint:
return(PixelFormat.R8_G8_B8_A8_UInt);
case VkFormat.R8g8b8a8Sint:
return(PixelFormat.R8_G8_B8_A8_SInt);
case VkFormat.R16g16b16a16Unorm:
return(PixelFormat.R16_G16_B16_A16_UNorm);
case VkFormat.R16g16b16a16Snorm:
return(PixelFormat.R16_G16_B16_A16_SNorm);
case VkFormat.R16g16b16a16Uint:
return(PixelFormat.R16_G16_B16_A16_UInt);
case VkFormat.R16g16b16a16Sint:
return(PixelFormat.R16_G16_B16_A16_SInt);
case VkFormat.R16g16b16a16Sfloat:
return(PixelFormat.R16_G16_B16_A16_Float);
case VkFormat.R32g32b32a32Uint:
return(PixelFormat.R32_G32_B32_A32_UInt);
case VkFormat.R32g32b32a32Sint:
return(PixelFormat.R32_G32_B32_A32_SInt);
case VkFormat.R32g32b32a32Sfloat:
return(PixelFormat.R32_G32_B32_A32_Float);
case VkFormat.Bc1RgbUnormBlock:
return(PixelFormat.BC1_Rgb_UNorm);
case VkFormat.Bc1RgbaUnormBlock:
return(PixelFormat.BC1_Rgba_UNorm);
case VkFormat.Bc2UnormBlock:
return(PixelFormat.BC2_UNorm);
case VkFormat.Bc3UnormBlock:
return(PixelFormat.BC3_UNorm);
case VkFormat.A2b10g10r10UnormPack32:
return(PixelFormat.R10_G10_B10_A2_UNorm);
case VkFormat.A2b10g10r10UintPack32:
return(PixelFormat.R10_G10_B10_A2_UInt);
case VkFormat.B10g11r11UfloatPack32:
return(PixelFormat.R11_G11_B10_Float);
default:
throw Illegal.Value <VkFormat>();
}
}
public IReadOnlyList<VkSparseImageFormatProperties> GetSparseImageFormatProperties(VkFormat format, VkImageType type, VkSampleCountFlagBits samples, VkImageUsageFlags usage,
VkImageTiling tiling)
{
int count;
Direct.GetPhysicalDeviceSparseImageFormatProperties(Handle, format, type, samples, usage, tiling, &count, (VkSparseImageFormatProperties*)0);
var resultArray = new VkSparseImageFormatProperties[count];
fixed (VkSparseImageFormatProperties* pResultArray = resultArray)
{
Direct.GetPhysicalDeviceSparseImageFormatProperties(Handle, format, type, samples, usage, tiling, &count, pResultArray);
return resultArray;
}
}
/// <summary>
/// Starts building a new attachment for this render pass
/// </summary>
/// <param name="format">attachment's format</param>
/// <param name="finalLayout">attachment's final image layout</param>
/// <param name="samples">Sample count</param>
/// <returns>attachment builder</returns>
public AttachmentBuilder WithAttachment(VkFormat format, VkImageLayout finalLayout, VkSampleCountFlag samples
= VkSampleCountFlag.Count1)
{
return(new AttachmentBuilder(this, format, finalLayout, samples));
}
internal static VkImageAspectFlags format_to_aspect_mask(VkFormat format)
{
throw new NotImplementedException();
}
public static int BlockSizeInBytes(this VkFormat format)
{
switch (format)
{
case VkFormat.BC1RGBUNormBlock:
case VkFormat.BC1RGBSRgbBlock:
case VkFormat.BC1RGBAUNormBlock:
case VkFormat.BC1RGBASRgbBlock:
return(8);
case VkFormat.BC2UNormBlock:
case VkFormat.BC2SRgbBlock:
case VkFormat.BC3UNormBlock:
case VkFormat.BC3SRgbBlock:
return(16);
case VkFormat.BC4UNormBlock:
case VkFormat.BC4SNormBlock:
return(8);
case VkFormat.BC5UNormBlock:
case VkFormat.BC5SNormBlock:
case VkFormat.BC6HUFloatBlock:
case VkFormat.BC6HSFloatBlock:
case VkFormat.BC7UNormBlock:
case VkFormat.BC7SRgbBlock:
return(16);
case VkFormat.ETC2R8G8B8UNormBlock:
case VkFormat.ETC2R8G8B8SRgbBlock:
case VkFormat.ETC2R8G8B8A1UNormBlock:
case VkFormat.ETC2R8G8B8A1SRgbBlock:
return(8);
case VkFormat.ETC2R8G8B8A8UNormBlock:
case VkFormat.ETC2R8G8B8A8SRgbBlock:
return(16);
case VkFormat.EACR11UNormBlock:
case VkFormat.EACR11SNormBlock:
return(8);
case VkFormat.EACR11G11UNormBlock:
case VkFormat.EACR11G11SNormBlock:
return(16);
case VkFormat.ASTC4x4UNormBlock:
case VkFormat.ASTC4x4SRgbBlock:
case VkFormat.ASTC5x4UNormBlock:
case VkFormat.ASTC5x4SRgbBlock:
case VkFormat.ASTC5x5UNormBlock:
case VkFormat.ASTC5x5SRgbBlock:
case VkFormat.ASTC6x5UNormBlock:
case VkFormat.ASTC6x5SRgbBlock:
case VkFormat.ASTC6x6UNormBlock:
case VkFormat.ASTC6x6SRgbBlock:
case VkFormat.ASTC8x5UNormBlock:
case VkFormat.ASTC8x5SRgbBlock:
case VkFormat.ASTC8x6UNormBlock:
case VkFormat.ASTC8x6SRgbBlock:
case VkFormat.ASTC8x8UNormBlock:
case VkFormat.ASTC8x8SRgbBlock:
case VkFormat.ASTC10x5UNormBlock:
case VkFormat.ASTC10x5SRgbBlock:
case VkFormat.ASTC10x6UNormBlock:
case VkFormat.ASTC10x6SRgbBlock:
case VkFormat.ASTC10x8UNormBlock:
case VkFormat.ASTC10x8SRgbBlock:
case VkFormat.ASTC10x10UNormBlock:
case VkFormat.ASTC10x10SRgbBlock:
case VkFormat.ASTC12x10UNormBlock:
case VkFormat.ASTC12x10SRgbBlock:
case VkFormat.ASTC12x12UNormBlock:
case VkFormat.ASTC12x12SRgbBlock:
return(16);
//case VkFormat.Pvrtc12BppUNormBlock:
//case VkFormat.Pvrtc14BppUNormBlock:
//case VkFormat.Pvrtc22BppUNormBlock:
//case VkFormat.Pvrtc24BppUNormBlock:
//case VkFormat.Pvrtc12BppSRgbBlock:
//case VkFormat.Pvrtc14BppSRgbBlock:
//case VkFormat.Pvrtc22BppSRgbBlock:
//case VkFormat.Pvrtc24BppSRgbBlock:
// return 8;
default:
throw new ArgumentOutOfRangeException(nameof(format));
}
}
public static void ConvertPixelFormat(PixelFormat inputFormat, out VkFormat format, out int pixelSize, out bool compressed)
{
compressed = false;
// TODO VULKAN: Complete supported formats
switch (inputFormat)
{
//case PixelFormat.A8_UNorm:
// format = VkFormat.;
// pixelSize = 1;
// break;
case PixelFormat.R8_UNorm:
format = VkFormat.R8UNorm;
pixelSize = 1;
break;
case PixelFormat.R8_SNorm:
format = VkFormat.R8SNorm;
pixelSize = 1;
break;
case PixelFormat.R8_UInt:
format = VkFormat.R8UInt;
pixelSize = 1;
break;
case PixelFormat.R8_SInt:
format = VkFormat.R8SInt;
pixelSize = 1;
break;
case PixelFormat.R8G8B8A8_UNorm:
format = VkFormat.R8G8B8A8UNorm;
pixelSize = 4;
break;
case PixelFormat.R8G8B8A8_UInt:
format = VkFormat.R8G8B8A8UInt;
pixelSize = 4;
break;
case PixelFormat.R8G8B8A8_SInt:
format = VkFormat.R8G8B8A8SInt;
pixelSize = 4;
break;
case PixelFormat.B8G8R8A8_UNorm:
format = VkFormat.B8G8R8A8UNorm;
pixelSize = 4;
break;
case PixelFormat.R8G8B8A8_UNorm_SRgb:
format = VkFormat.R8G8B8A8SRgb;
pixelSize = 4;
break;
case PixelFormat.B8G8R8A8_UNorm_SRgb:
format = VkFormat.B8G8R8A8SRgb;
pixelSize = 4;
break;
case PixelFormat.R16_Float:
format = VkFormat.R16SFloat;
pixelSize = 2;
break;
case PixelFormat.R16_UNorm:
format = VkFormat.R16UNorm;
pixelSize = 2;
break;
case PixelFormat.R16_UInt:
format = VkFormat.R16UInt;
pixelSize = 2;
break;
case PixelFormat.R16_SInt:
format = VkFormat.R16SInt;
pixelSize = 2;
break;
case PixelFormat.R16G16_Float:
format = VkFormat.R16G16SFloat;
pixelSize = 4;
break;
case PixelFormat.R16G16_SNorm:
format = VkFormat.R16G16SNorm;
pixelSize = 4;
break;
case PixelFormat.R16G16_UNorm:
format = VkFormat.R16G16UNorm;
pixelSize = 4;
break;
case PixelFormat.R16G16_SInt:
format = VkFormat.R16G16SNorm;
pixelSize = 4;
break;
case PixelFormat.R16G16_UInt:
format = VkFormat.R16G16UNorm;
pixelSize = 4;
break;
case PixelFormat.R16G16B16A16_Float:
format = VkFormat.R16G16B16A16SFloat;
pixelSize = 8;
break;
case PixelFormat.R16G16B16A16_UNorm:
format = VkFormat.R16G16B16A16UNorm;
pixelSize = 8;
break;
case PixelFormat.R16G16B16A16_SNorm:
format = VkFormat.R16G16B16A16SNorm;
pixelSize = 8;
break;
case PixelFormat.R16G16B16A16_UInt:
format = VkFormat.R16G16B16A16UInt;
pixelSize = 8;
break;
case PixelFormat.R16G16B16A16_SInt:
format = VkFormat.R16G16B16A16SInt;
pixelSize = 8;
break;
case PixelFormat.R32_UInt:
format = VkFormat.R32UInt;
pixelSize = 4;
break;
case PixelFormat.R32_Float:
format = VkFormat.R32SFloat;
pixelSize = 4;
break;
case PixelFormat.R32G32_Float:
format = VkFormat.R32G32SFloat;
pixelSize = 8;
break;
case PixelFormat.R32G32_UInt:
format = VkFormat.R32G32UInt;
pixelSize = 8;
break;
case PixelFormat.R32G32_SInt:
format = VkFormat.R32G32SInt;
pixelSize = 8;
break;
case PixelFormat.R32G32B32_Float:
format = VkFormat.R32G32B32SFloat;
pixelSize = 12;
break;
case PixelFormat.R32G32B32_SInt:
format = VkFormat.R32G32B32SInt;
pixelSize = 12;
break;
case PixelFormat.R32G32B32_UInt:
format = VkFormat.R32G32B32UInt;
pixelSize = 12;
break;
case PixelFormat.R32G32B32A32_Float:
format = VkFormat.R32G32B32A32SFloat;
pixelSize = 16;
break;
case PixelFormat.R32G32B32A32_SInt:
format = VkFormat.R32G32B32A32SInt;
pixelSize = 16;
break;
case PixelFormat.R32G32B32A32_UInt:
format = VkFormat.R32G32B32A32UInt;
pixelSize = 16;
break;
case PixelFormat.D16_UNorm:
format = VkFormat.D16UNorm;
pixelSize = 2;
break;
case PixelFormat.D24_UNorm_S8_UInt:
format = VkFormat.D24UNormS8UInt;
pixelSize = 4;
break;
// TODO: Temporary depth format (need to decide relation between RenderTarget1D and Texture)
case PixelFormat.D32_Float:
format = VkFormat.D32SFloat;
pixelSize = 4;
break;
case PixelFormat.ETC1:
case PixelFormat.ETC2_RGB: // ETC1 upper compatible
format = VkFormat.ETC2R8G8B8UNormBlock;
compressed = true;
pixelSize = 1; // 4bpp
break;
case PixelFormat.ETC2_RGB_SRgb:
format = VkFormat.ETC2R8G8B8SRgbBlock;
compressed = true;
pixelSize = 1;
break;
case PixelFormat.ETC2_RGB_A1:
format = VkFormat.ETC2R8G8B8A1UNormBlock;
compressed = true;
pixelSize = 1; // 4bpp
break;
case PixelFormat.ETC2_RGBA: // ETC2 + EAC
format = VkFormat.ETC2R8G8B8A8UNormBlock;
compressed = true;
pixelSize = 2; // 8bpp
break;
case PixelFormat.ETC2_RGBA_SRgb: // ETC2 + EAC
format = VkFormat.ETC2R8G8B8A8SRgbBlock;
compressed = true;
pixelSize = 2; // 8bpp
break;
case PixelFormat.EAC_R11_Unsigned:
format = VkFormat.EACR11UNormBlock;
compressed = true;
pixelSize = 1; // 4bpp
break;
case PixelFormat.EAC_R11_Signed:
format = VkFormat.EACR11SNormBlock;
compressed = true;
pixelSize = 1; // 4bpp
break;
case PixelFormat.EAC_RG11_Unsigned:
format = VkFormat.EACR11G11UNormBlock;
compressed = true;
pixelSize = 2; // 8bpp
break;
case PixelFormat.EAC_RG11_Signed:
format = VkFormat.EACR11G11SNormBlock;
compressed = true;
pixelSize = 2; // 8bpp
break;
case PixelFormat.BC1_UNorm:
format = VkFormat.BC1RGBAUNormBlock;
//format = VkFormat.RAD_TEXTURE_FORMAT_DXT1_RGBA;
compressed = true;
pixelSize = 1; // 4bpp
break;
case PixelFormat.BC1_UNorm_SRgb:
format = VkFormat.BC1RGBASRgbBlock;
//format = VkFormat.RAD_TEXTURE_FORMAT_DXT1_RGBA_SRgb;
compressed = true;
pixelSize = 1; // 4bpp
break;
case PixelFormat.BC2_UNorm:
format = VkFormat.BC2UNormBlock;
compressed = true;
pixelSize = 2; // 8bpp
break;
case PixelFormat.BC2_UNorm_SRgb:
format = VkFormat.BC2SRgbBlock;
compressed = true;
pixelSize = 2; // 8bpp
break;
case PixelFormat.BC3_UNorm:
format = VkFormat.BC3UNormBlock;
compressed = true;
pixelSize = 2; // 8bpp
break;
case PixelFormat.BC3_UNorm_SRgb:
format = VkFormat.BC3SRgbBlock;
compressed = true;
pixelSize = 2; // 8bpp
break;
case PixelFormat.BC4_SNorm:
format = VkFormat.BC4SNormBlock;
compressed = true;
pixelSize = 1; // 4bpp
break;
case PixelFormat.BC4_UNorm:
format = VkFormat.BC4UNormBlock;
compressed = true;
pixelSize = 1; // 4bpp
break;
case PixelFormat.BC5_SNorm:
format = VkFormat.BC5SNormBlock;
compressed = true;
pixelSize = 2; // 8bpp
break;
case PixelFormat.BC5_UNorm:
format = VkFormat.BC5UNormBlock;
compressed = true;
pixelSize = 2; // 8bpp
break;
case PixelFormat.BC6H_Sf16:
format = VkFormat.BC6HSFloatBlock;
compressed = true;
pixelSize = 2; // 8bpp
break;
case PixelFormat.BC6H_Uf16:
format = VkFormat.BC6HUFloatBlock;
compressed = true;
pixelSize = 2; // 8bpp
break;
case PixelFormat.BC7_UNorm:
format = VkFormat.BC7UNormBlock;
compressed = true;
pixelSize = 2; // 8bpp
break;
case PixelFormat.BC7_UNorm_SRgb:
format = VkFormat.BC7SRgbBlock;
compressed = true;
pixelSize = 2; // 8bpp
break;
default:
throw new InvalidOperationException("Unsupported texture format: " + inputFormat);
}
}
private void createSwapChain()
{
SwapChainSupportDetails swapChainSupport = querySwapChainSupport(physicalDevice);
VkSurfaceFormatKHR surfaceFormat = chooseSwapSurfaceFormat(swapChainSupport.formats);
VkPresentModeKHR presentMode = chooseSwapPresentMode(swapChainSupport.presentModes);
VkExtent2D extent = chooseSwapExtent(swapChainSupport.capabilities);
int imageCount = swapChainSupport.capabilities.minImageCount + 1;
if (swapChainSupport.capabilities.maxImageCount > 0 && imageCount > swapChainSupport.capabilities.maxImageCount)
{
imageCount = swapChainSupport.capabilities.maxImageCount;
}
VkSwapchainCreateInfoKHR createInfo = new VkSwapchainCreateInfoKHR();
createInfo.sType = VkStructureType.VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
createInfo.surface = surface;
createInfo.minImageCount = imageCount;
createInfo.imageFormat = surfaceFormat.format;
createInfo.imageColorSpace = surfaceFormat.colorSpace;
createInfo.imageExtent = extent;
createInfo.imageArrayLayers = 1;
createInfo.imageUsage = VkImageUsageFlags.VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
var queueFamilyIndices = new List <int>()
{
indices.graphicsFamily, indices.presentFamily
};
if (indices.graphicsFamily != indices.presentFamily)
{
createInfo.imageSharingMode = VkSharingMode.VK_SHARING_MODE_CONCURRENT;
createInfo.queueFamilyIndexCount = queueFamilyIndices.Count;
createInfo.pQueueFamilyIndices = queueFamilyIndices.ToArray();
}
else
{
createInfo.imageSharingMode = VkSharingMode.VK_SHARING_MODE_EXCLUSIVE;
}
createInfo.preTransform = (VkSurfaceTransformFlagBitsKHR)swapChainSupport.capabilities.currentTransform;
createInfo.compositeAlpha = VkCompositeAlphaFlagBitsKHR.VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
createInfo.presentMode = presentMode;
createInfo.clipped = VkBool32.VK_TRUE;
createInfo.oldSwapchain = null;
VkResult result = Vulkan.vkCreateSwapchainKHR(device, createInfo, null, out swapChain);
if (result != VkResult.VK_SUCCESS)
{
throw Program.Throw("failed to create swap chain!", result);
}
swapChainImages = new VkImage[imageCount];
Vulkan.vkGetSwapchainImagesKHR(device, swapChain, ref imageCount, swapChainImages);
swapChainImageFormat = surfaceFormat.format;
swapChainExtent = extent;
}
public IReadOnlyList <VkSparseImageFormatProperties> GetSparseImageFormatProperties(VkFormat format, VkImageType type, VkSampleCount samples, VkImageUsageFlags usage,
VkImageTiling tiling)
{
int count;
Direct.GetPhysicalDeviceSparseImageFormatProperties(Handle, format, type, samples, usage, tiling, &count, (VkSparseImageFormatProperties *)0);
var resultArray = new VkSparseImageFormatProperties[count];
fixed(VkSparseImageFormatProperties *pResultArray = resultArray)
{
Direct.GetPhysicalDeviceSparseImageFormatProperties(Handle, format, type, samples, usage, tiling, &count, pResultArray);
return(resultArray);
}
}
/// <summary>
/// Tries to find a display mode that has the same size as the current <see cref="OutputDescription"/> associated with this instance
/// of the specified format.
/// </summary>
/// <param name="format">The format to match with.</param>
/// <returns>A matched <see cref="DisplayMode"/> or null if nothing is found.</returns>
private DisplayMode TryFindMatchingDisplayMode(VkFormat format)
{
return(null);
}
/// <summary>
/// VkVertexInputAttributeDescription - Structure specifying vertex input attribute description.
/// </summary>
/// <param name="location">location is the shader binding location number for this attribute.</param>
/// <param name="binding">binding is the binding number which this attribute takes its data
/// from</param>
/// <param name="format">format is the size and type of the vertex attribute data.</param>
/// <param name="offset">offset is a byte offset of this attribute relative to the start of
/// an element in the vertex input binding.</param>
public VkVertexInputAttributeDescription(UInt32 location, UInt32 binding, VkFormat format, UInt32 offset)
{
this.location = location; this.binding = binding;
this.format = format; this.offset = offset;
}
void loadTexture(string fileName, VkFormat format, bool forceLinearTiling)
{
KtxFile tex2D;
using (var fs = File.OpenRead(fileName))
{
tex2D = KtxFile.Load(fs, false);
}
VkFormatProperties formatProperties;
texture.width = tex2D.Header.PixelWidth;
texture.height = tex2D.Header.PixelHeight;
texture.mipLevels = tex2D.Header.NumberOfMipmapLevels;
// Get Device properites for the requested texture format
vkGetPhysicalDeviceFormatProperties(PhysicalDevice, format, &formatProperties);
// Only use linear tiling if requested (and supported by the Device)
// Support for linear tiling is mostly limited, so prefer to use
// optimal tiling instead
// On most implementations linear tiling will only support a very
// limited amount of formats and features (mip maps, cubemaps, arrays, etc.)
uint useStaging = 1;
// Only use linear tiling if forced
if (forceLinearTiling)
{
// Don't use linear if format is not supported for (linear) shader sampling
useStaging = ((formatProperties.linearTilingFeatures & VkFormatFeatureFlags.SampledImage) != VkFormatFeatureFlags.SampledImage) ? 1u : 0u;
}
VkMemoryAllocateInfo memAllocInfo = Initializers.memoryAllocateInfo();
VkMemoryRequirements memReqs = new VkMemoryRequirements();
if (useStaging == 1)
{
// Create a host-visible staging buffer that contains the raw image data
VkBuffer stagingBuffer;
VkDeviceMemory stagingMemory;
VkBufferCreateInfo bufferCreateInfo = Initializers.bufferCreateInfo();
bufferCreateInfo.size = tex2D.GetTotalSize();
// This buffer is used as a transfer source for the buffer copy
bufferCreateInfo.usage = VkBufferUsageFlags.TransferSrc;
bufferCreateInfo.sharingMode = VkSharingMode.Exclusive;
Util.CheckResult(vkCreateBuffer(Device, &bufferCreateInfo, null, &stagingBuffer));
// Get memory requirements for the staging buffer (alignment, memory type bits)
vkGetBufferMemoryRequirements(Device, stagingBuffer, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
// Get memory type index for a host visible buffer
memAllocInfo.memoryTypeIndex = VulkanDevice.GetMemoryType(memReqs.memoryTypeBits, VkMemoryPropertyFlags.HostVisible | VkMemoryPropertyFlags.HostCoherent);
Util.CheckResult(vkAllocateMemory(Device, &memAllocInfo, null, &stagingMemory));
Util.CheckResult(vkBindBufferMemory(Device, stagingBuffer, stagingMemory, 0));
// Copy texture data into staging buffer
byte *data;
Util.CheckResult(vkMapMemory(Device, stagingMemory, 0, memReqs.size, 0, (void **)&data));
byte[] allData = tex2D.GetAllTextureData();
fixed(byte *tex2DDataPtr = &allData[0])
{
Unsafe.CopyBlock(data, tex2DDataPtr, (uint)allData.Length);
}
vkUnmapMemory(Device, stagingMemory);
// Setup buffer copy regions for each mip level
NativeList <VkBufferImageCopy> bufferCopyRegions = new NativeList <VkBufferImageCopy>();
uint offset = 0;
for (uint i = 0; i < texture.mipLevels; i++)
{
VkBufferImageCopy bufferCopyRegion = new VkBufferImageCopy();
bufferCopyRegion.imageSubresource.aspectMask = VkImageAspectFlags.Color;
bufferCopyRegion.imageSubresource.mipLevel = i;
bufferCopyRegion.imageSubresource.baseArrayLayer = 0;
bufferCopyRegion.imageSubresource.layerCount = 1;
bufferCopyRegion.imageExtent.width = tex2D.Faces[0].Mipmaps[i].Width;
bufferCopyRegion.imageExtent.height = tex2D.Faces[0].Mipmaps[i].Height;
bufferCopyRegion.imageExtent.depth = 1;
bufferCopyRegion.bufferOffset = offset;
bufferCopyRegions.Add(bufferCopyRegion);
offset += tex2D.Faces[0].Mipmaps[i].SizeInBytes;
}
// Create optimal tiled target image
VkImageCreateInfo imageCreateInfo = Initializers.imageCreateInfo();
imageCreateInfo.imageType = VkImageType._2d;
imageCreateInfo.format = format;
imageCreateInfo.mipLevels = texture.mipLevels;
imageCreateInfo.arrayLayers = 1;
imageCreateInfo.samples = VkSampleCountFlags._1;
imageCreateInfo.tiling = VkImageTiling.Optimal;
imageCreateInfo.sharingMode = VkSharingMode.Exclusive;
// Set initial layout of the image to undefined
imageCreateInfo.initialLayout = VkImageLayout.Undefined;
imageCreateInfo.extent = new VkExtent3D {
width = texture.width, height = texture.height, depth = 1
};
imageCreateInfo.usage = VkImageUsageFlags.TransferDst | VkImageUsageFlags.Sampled;
Util.CheckResult(vkCreateImage(Device, &imageCreateInfo, null, out texture.image));
vkGetImageMemoryRequirements(Device, texture.image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
memAllocInfo.memoryTypeIndex = VulkanDevice.GetMemoryType(memReqs.memoryTypeBits, VkMemoryPropertyFlags.DeviceLocal);
Util.CheckResult(vkAllocateMemory(Device, &memAllocInfo, null, out texture.DeviceMemory));
Util.CheckResult(vkBindImageMemory(Device, texture.image, texture.DeviceMemory, 0));
VkCommandBuffer copyCmd = base.createCommandBuffer(VkCommandBufferLevel.Primary, true);
// Image barrier for optimal image
// The sub resource range describes the regions of the image we will be transition
VkImageSubresourceRange subresourceRange = new VkImageSubresourceRange();
// Image only contains color data
subresourceRange.aspectMask = VkImageAspectFlags.Color;
// Start at first mip level
subresourceRange.baseMipLevel = 0;
// We will transition on all mip levels
subresourceRange.levelCount = texture.mipLevels;
// The 2D texture only has one layer
subresourceRange.layerCount = 1;
// Optimal image will be used as destination for the copy, so we must transfer from our
// initial undefined image layout to the transfer destination layout
setImageLayout(
copyCmd,
texture.image,
VkImageAspectFlags.Color,
VkImageLayout.Undefined,
VkImageLayout.TransferDstOptimal,
subresourceRange);
// Copy mip levels from staging buffer
vkCmdCopyBufferToImage(
copyCmd,
stagingBuffer,
texture.image,
VkImageLayout.TransferDstOptimal,
bufferCopyRegions.Count,
bufferCopyRegions.Data);
// Change texture image layout to shader read after all mip levels have been copied
texture.imageLayout = VkImageLayout.ShaderReadOnlyOptimal;
setImageLayout(
copyCmd,
texture.image,
VkImageAspectFlags.Color,
VkImageLayout.TransferDstOptimal,
texture.imageLayout,
subresourceRange);
flushCommandBuffer(copyCmd, Queue, true);
// Clean up staging resources
vkFreeMemory(Device, stagingMemory, null);
vkDestroyBuffer(Device, stagingBuffer, null);
}
else
{
throw new NotImplementedException();
/*
* // Prefer using optimal tiling, as linear tiling
* // may support only a small set of features
* // depending on implementation (e.g. no mip maps, only one layer, etc.)
*
* VkImage mappableImage;
* VkDeviceMemory mappableMemory;
*
* // Load mip map level 0 to linear tiling image
* VkImageCreateInfo imageCreateInfo = Initializers.imageCreateInfo();
* imageCreateInfo.imageType = VkImageType._2d;
* imageCreateInfo.format = format;
* imageCreateInfo.mipLevels = 1;
* imageCreateInfo.arrayLayers = 1;
* imageCreateInfo.samples = VkSampleCountFlags._1;
* imageCreateInfo.tiling = VkImageTiling.Linear;
* imageCreateInfo.usage = VkImageUsageFlags.Sampled;
* imageCreateInfo.sharingMode = VkSharingMode.Exclusive;
* imageCreateInfo.initialLayout = VkImageLayout.Preinitialized;
* imageCreateInfo.extent = new VkExtent3D { width = texture.width, height = texture.height, depth = 1 };
* Util.CheckResult(vkCreateImage(Device, &imageCreateInfo, null, &mappableImage));
*
* // Get memory requirements for this image
* // like size and alignment
* vkGetImageMemoryRequirements(Device, mappableImage, &memReqs);
* // Set memory allocation size to required memory size
* memAllocInfo.allocationSize = memReqs.size;
*
* // Get memory type that can be mapped to host memory
* memAllocInfo.memoryTypeIndex = VulkanDevice.GetMemoryType(memReqs.memoryTypeBits, VkMemoryPropertyFlags.HostVisible | VkMemoryPropertyFlags.HostCoherent);
*
* // Allocate host memory
* Util.CheckResult(vkAllocateMemory(Device, &memAllocInfo, null, &mappableMemory));
*
* // Bind allocated image for use
* Util.CheckResult(vkBindImageMemory(Device, mappableImage, mappableMemory, 0));
*
* // Get sub resource layout
* // Mip map count, array layer, etc.
* VkImageSubresource subRes = new VkImageSubresource();
* subRes.aspectMask = VkImageAspectFlags.Color;
*
* VkSubresourceLayout subResLayout;
* void* data;
*
* // Get sub resources layout
* // Includes row pitch, size offsets, etc.
* vkGetImageSubresourceLayout(Device, mappableImage, &subRes, &subResLayout);
*
* // Map image memory
* Util.CheckResult(vkMapMemory(Device, mappableMemory, 0, memReqs.size, 0, &data));
*
* // Copy image data into memory
* memcpy(data, tex2D[subRes.mipLevel].data(), tex2D[subRes.mipLevel].size());
*
* vkUnmapMemory(Device, mappableMemory);
*
* // Linear tiled images don't need to be staged
* // and can be directly used as textures
* texture.image = mappableImage;
* texture.DeviceMemory = mappableMemory;
* texture.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
*
* VkCommandBuffer copyCmd = VulkanExampleBase::createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true);
*
* // Setup image memory barrier transfer image to shader read layout
*
* // The sub resource range describes the regions of the image we will be transition
* VkImageSubresourceRange subresourceRange = { };
* // Image only contains color data
* subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
* // Start at first mip level
* subresourceRange.baseMipLevel = 0;
* // Only one mip level, most implementations won't support more for linear tiled images
* subresourceRange.levelCount = 1;
* // The 2D texture only has one layer
* subresourceRange.layerCount = 1;
*
* setImageLayout(
* copyCmd,
* texture.image,
* VK_IMAGE_ASPECT_COLOR_BIT,
* VK_IMAGE_LAYOUT_PREINITIALIZED,
* texture.imageLayout,
* subresourceRange);
*
* VulkanExampleBase::flushCommandBuffer(copyCmd, queue, true);
*/
}
// Create sampler
// In Vulkan textures are accessed by samplers
// This separates all the sampling information from the
// texture data
// This means you could have multiple sampler objects
// for the same texture with different settings
// Similar to the samplers available with OpenGL 3.3
VkSamplerCreateInfo sampler = Initializers.samplerCreateInfo();
sampler.magFilter = VkFilter.Linear;
sampler.minFilter = VkFilter.Linear;
sampler.mipmapMode = VkSamplerMipmapMode.Linear;
sampler.addressModeU = VkSamplerAddressMode.Repeat;
sampler.addressModeV = VkSamplerAddressMode.Repeat;
sampler.addressModeW = VkSamplerAddressMode.Repeat;
sampler.mipLodBias = 0.0f;
sampler.compareOp = VkCompareOp.Never;
sampler.minLod = 0.0f;
// Set max level-of-detail to mip level count of the texture
sampler.maxLod = (useStaging == 1) ? (float)texture.mipLevels : 0.0f;
// Enable anisotropic filtering
// This feature is optional, so we must check if it's supported on the Device
if (VulkanDevice.Features.samplerAnisotropy == 1)
{
// Use max. level of anisotropy for this example
sampler.maxAnisotropy = VulkanDevice.Properties.limits.maxSamplerAnisotropy;
sampler.anisotropyEnable = True;
}
else
{
// The Device does not support anisotropic filtering
sampler.maxAnisotropy = 1.0f;
sampler.anisotropyEnable = False;
}
sampler.borderColor = VkBorderColor.FloatOpaqueWhite;
Util.CheckResult(vkCreateSampler(Device, ref sampler, null, out texture.sampler));
// Create image view
// Textures are not directly accessed by the shaders and
// are abstracted by image views containing additional
// information and sub resource ranges
VkImageViewCreateInfo view = Initializers.imageViewCreateInfo();
view.viewType = VkImageViewType._2d;
view.format = format;
view.components = new VkComponentMapping {
r = VkComponentSwizzle.R, g = VkComponentSwizzle.G, b = VkComponentSwizzle.B, a = VkComponentSwizzle.A
};
// The subresource range describes the set of mip levels (and array layers) that can be accessed through this image view
// It's possible to create multiple image views for a single image referring to different (and/or overlapping) ranges of the image
view.subresourceRange.aspectMask = VkImageAspectFlags.Color;
view.subresourceRange.baseMipLevel = 0;
view.subresourceRange.baseArrayLayer = 0;
view.subresourceRange.layerCount = 1;
// Linear tiling usually won't support mip maps
// Only set mip map count if optimal tiling is used
view.subresourceRange.levelCount = (useStaging == 1) ? texture.mipLevels : 1;
// The view will be based on the texture's image
view.image = texture.image;
Util.CheckResult(vkCreateImageView(Device, &view, null, out texture.view));
}
/// <summary>
/// create host visible linear image without command from path
/// </summary>
public static Image Load(Device dev,
string path, VkImageUsageFlags usage = VkImageUsageFlags.Sampled, bool reserveSpaceForMipmaps = true, VkFormat format = VkFormat.Undefined,
VkMemoryPropertyFlags memoryProps = VkMemoryPropertyFlags.HostVisible | VkMemoryPropertyFlags.HostCoherent,
VkImageTiling tiling = VkImageTiling.Linear, VkImageType imageType = VkImageType.Image2D)
{
if (format == VkFormat.Undefined)
{
format = DefaultTextureFormat;
}
using (StbImage stbi = new StbImage(path)) {
uint mipLevels = reserveSpaceForMipmaps ? ComputeMipLevels(stbi.Width, stbi.Height) : 1;
Image img = new Image(dev, format, usage, memoryProps, (uint)stbi.Width, (uint)stbi.Height, imageType,
VkSampleCountFlags.SampleCount1, tiling, mipLevels);
img.Map();
stbi.CoptyTo(img.MappedData);
img.Unmap();
return(img);
}
}