private void CreateDepthStencilBuffer()
{
var formats = new[] {
SharpVulkan.Format.D32SFloatS8UInt,
SharpVulkan.Format.D24UNormS8UInt,
SharpVulkan.Format.D16UNormS8UInt
};
depthStencilFormat = formats.First(format => {
context.PhysicalDevice.GetFormatProperties(format, out var formatProperties);
return((formatProperties.OptimalTilingFeatures & SharpVulkan.FormatFeatureFlags.DepthStencilAttachment) != 0);
});
var tiling = SharpVulkan.ImageTiling.Optimal;
var createInfo = new SharpVulkan.ImageCreateInfo {
StructureType = SharpVulkan.StructureType.ImageCreateInfo,
ImageType = SharpVulkan.ImageType.Image2D,
Usage = SharpVulkan.ImageUsageFlags.DepthStencilAttachment,
Format = depthStencilFormat,
Extent = new SharpVulkan.Extent3D((uint)width, (uint)height, 1),
MipLevels = 1,
ArrayLayers = 1,
Samples = SharpVulkan.SampleCountFlags.Sample1,
SharingMode = SharpVulkan.SharingMode.Exclusive,
Tiling = tiling,
InitialLayout = SharpVulkan.ImageLayout.Undefined
};
depthStencilBuffer = context.Device.CreateImage(ref createInfo);
depthStencilMemory = context.MemoryAllocator.Allocate(depthStencilBuffer, SharpVulkan.MemoryPropertyFlags.DeviceLocal, tiling);
var viewCreateInfo = new SharpVulkan.ImageViewCreateInfo {
StructureType = SharpVulkan.StructureType.ImageViewCreateInfo,
ViewType = SharpVulkan.ImageViewType.Image2D,
Image = depthStencilBuffer,
Format = depthStencilFormat,
Components = SharpVulkan.ComponentMapping.Identity,
SubresourceRange = new SharpVulkan.ImageSubresourceRange(
SharpVulkan.ImageAspectFlags.Depth |
SharpVulkan.ImageAspectFlags.Stencil)
};
depthStencilView = context.Device.CreateImageView(ref viewCreateInfo);
var memoryBarrier = new SharpVulkan.ImageMemoryBarrier {
StructureType = SharpVulkan.StructureType.ImageMemoryBarrier,
Image = depthStencilBuffer,
OldLayout = SharpVulkan.ImageLayout.Undefined,
NewLayout = SharpVulkan.ImageLayout.DepthStencilAttachmentOptimal,
SourceAccessMask = SharpVulkan.AccessFlags.None,
DestinationAccessMask = SharpVulkan.AccessFlags.DepthStencilAttachmentRead | SharpVulkan.AccessFlags.DepthStencilAttachmentWrite,
SubresourceRange = new SharpVulkan.ImageSubresourceRange(
SharpVulkan.ImageAspectFlags.Depth |
SharpVulkan.ImageAspectFlags.Stencil)
};
context.EndRenderPass();
context.EnsureCommandBuffer();
context.CommandBuffer.PipelineBarrier(SharpVulkan.PipelineStageFlags.TopOfPipe,
SharpVulkan.PipelineStageFlags.EarlyFragmentTests | SharpVulkan.PipelineStageFlags.LateFragmentTests,
SharpVulkan.DependencyFlags.None, 0, null, 0, null, 1, &memoryBarrier);
}
internal void GetData(Format dstFormat, int level, int x, int y, int width, int height, IntPtr data)
{
if (IsPvrtc1Format(Format))
{
throw new NotImplementedException();
}
var dataSize = GraphicsUtility.CalculateImageDataSize(Format, width, height);
context.EnsureReadbackBuffer((ulong)dataSize);
context.EndRenderPass();
context.EnsureCommandBuffer();
var preMemoryBarrier = new SharpVulkan.ImageMemoryBarrier {
StructureType = SharpVulkan.StructureType.ImageMemoryBarrier,
Image = image,
OldLayout = SharpVulkan.ImageLayout.ShaderReadOnlyOptimal,
NewLayout = SharpVulkan.ImageLayout.TransferSourceOptimal,
SourceAccessMask = SharpVulkan.AccessFlags.ShaderRead,
DestinationAccessMask = SharpVulkan.AccessFlags.TransferRead,
SubresourceRange = new SharpVulkan.ImageSubresourceRange(SharpVulkan.ImageAspectFlags.Color, 0, 1, (uint)level, 1)
};
context.CommandBuffer.PipelineBarrier(
SharpVulkan.PipelineStageFlags.VertexShader | SharpVulkan.PipelineStageFlags.FragmentShader,
SharpVulkan.PipelineStageFlags.Transfer, SharpVulkan.DependencyFlags.None,
0, null, 0, null, 1, &preMemoryBarrier);
var copyRegion = new SharpVulkan.BufferImageCopy {
BufferOffset = 0,
BufferRowLength = (uint)width,
BufferImageHeight = (uint)height,
ImageOffset = new SharpVulkan.Offset3D(x, y, 0),
ImageExtent = new SharpVulkan.Extent3D((uint)width, (uint)height, 1),
ImageSubresource = new SharpVulkan.ImageSubresourceLayers(SharpVulkan.ImageAspectFlags.Color, 0, 1, (uint)level)
};
context.CommandBuffer.CopyImageToBuffer(
image, SharpVulkan.ImageLayout.TransferSourceOptimal, context.ReadbackBuffer, 1, ©Region);
var postMemoryBarrier = new SharpVulkan.ImageMemoryBarrier {
StructureType = SharpVulkan.StructureType.ImageMemoryBarrier,
Image = image,
OldLayout = SharpVulkan.ImageLayout.TransferSourceOptimal,
NewLayout = SharpVulkan.ImageLayout.ShaderReadOnlyOptimal,
SourceAccessMask = SharpVulkan.AccessFlags.TransferRead,
DestinationAccessMask = SharpVulkan.AccessFlags.ShaderRead,
SubresourceRange = new SharpVulkan.ImageSubresourceRange(SharpVulkan.ImageAspectFlags.Color, 0, 1, (uint)level, 1)
};
context.CommandBuffer.PipelineBarrier(
SharpVulkan.PipelineStageFlags.Transfer,
SharpVulkan.PipelineStageFlags.VertexShader | SharpVulkan.PipelineStageFlags.FragmentShader,
SharpVulkan.DependencyFlags.None, 0, null, 0, null, 1, &postMemoryBarrier);
context.Finish();
var readbackBufferMemory = context.ReadbackBufferMemory;
var readbackBufferMappedMemory = context.MemoryAllocator.Map(readbackBufferMemory);
try {
context.MemoryAllocator.InvalidateMappedMemoryRange(readbackBufferMemory, 0, (ulong)dataSize);
if (dstFormat == Format)
{
GraphicsUtility.CopyMemory(data, readbackBufferMappedMemory, Format.GetSize() * width * height);
}
else
{
var decoder = FormatConverter.GetDecoder(Format);
var encoder = FormatConverter.GetEncoder(dstFormat);
var srcTexelSize = Format.GetSize();
var dstTexelSize = dstFormat.GetSize();
var srcData = readbackBufferMappedMemory;
var dstData = data;
var texelCount = width * height;
while (texelCount-- > 0)
{
encoder(dstData, decoder(srcData));
srcData += srcTexelSize;
dstData += dstTexelSize;
}
}
} finally {
context.MemoryAllocator.Unmap(readbackBufferMemory);
}
}
private void Create(bool renderTarget)
{
var vkFormat = VulkanHelper.GetVKFormat(format);
var usage =
SharpVulkan.ImageUsageFlags.TransferSource |
SharpVulkan.ImageUsageFlags.TransferDestination |
SharpVulkan.ImageUsageFlags.Sampled;
if (renderTarget)
{
usage |= SharpVulkan.ImageUsageFlags.ColorAttachment;
}
var tiling = SharpVulkan.ImageTiling.Optimal;
var imageCreateInfo = new SharpVulkan.ImageCreateInfo {
StructureType = SharpVulkan.StructureType.ImageCreateInfo,
ImageType = SharpVulkan.ImageType.Image2D,
Usage = usage,
Format = vkFormat,
Extent = new SharpVulkan.Extent3D((uint)width, (uint)height, 1),
MipLevels = (uint)levelCount,
ArrayLayers = 1,
Samples = SharpVulkan.SampleCountFlags.Sample1,
SharingMode = SharpVulkan.SharingMode.Exclusive,
InitialLayout = SharpVulkan.ImageLayout.Undefined,
Tiling = tiling
};
image = context.Device.CreateImage(ref imageCreateInfo);
var memoryPropertyFlags = SharpVulkan.MemoryPropertyFlags.DeviceLocal;
if (IsPvrtc1Format(Format))
{
memoryPropertyFlags |= SharpVulkan.MemoryPropertyFlags.HostVisible | SharpVulkan.MemoryPropertyFlags.HostCoherent;
}
memory = context.MemoryAllocator.Allocate(image, memoryPropertyFlags, tiling);
var viewCreateInfo = new SharpVulkan.ImageViewCreateInfo {
StructureType = SharpVulkan.StructureType.ImageViewCreateInfo,
ViewType = SharpVulkan.ImageViewType.Image2D,
Image = image,
Format = vkFormat,
Components = SharpVulkan.ComponentMapping.Identity,
SubresourceRange = new SharpVulkan.ImageSubresourceRange(SharpVulkan.ImageAspectFlags.Color)
};
imageView = context.Device.CreateImageView(ref viewCreateInfo);
var memoryBarrier = new SharpVulkan.ImageMemoryBarrier {
StructureType = SharpVulkan.StructureType.ImageMemoryBarrier,
Image = image,
OldLayout = SharpVulkan.ImageLayout.Undefined,
NewLayout = SharpVulkan.ImageLayout.ShaderReadOnlyOptimal,
SourceAccessMask = SharpVulkan.AccessFlags.None,
DestinationAccessMask = SharpVulkan.AccessFlags.ShaderRead,
SubresourceRange = new SharpVulkan.ImageSubresourceRange(SharpVulkan.ImageAspectFlags.Color)
};
context.EndRenderPass();
context.EnsureCommandBuffer();
context.CommandBuffer.PipelineBarrier(
SharpVulkan.PipelineStageFlags.TopOfPipe, SharpVulkan.PipelineStageFlags.VertexShader | SharpVulkan.PipelineStageFlags.FragmentShader,
SharpVulkan.DependencyFlags.None, 0, null, 0, null, 1, &memoryBarrier);
}
public void SetData(int level, int x, int y, int width, int height, IntPtr data)
{
var dataSize = GraphicsUtility.CalculateImageDataSize(Format, width, height);
if (IsPvrtc1Format(Format))
{
if (x != 0 || y != 0 || width != Width || height != Height)
{
throw new NotSupportedException();
}
if (context.NextFenceValue <= WriteFenceValue)
{
context.Flush();
}
context.WaitForFence(WriteFenceValue);
var dstData = Context.MemoryAllocator.Map(memory);
try {
GraphicsUtility.CopyMemory(dstData, data, dataSize);
} finally {
Context.MemoryAllocator.Unmap(memory);
}
}
else
{
ulong bufferOffsetAlignment = 4;
bufferOffsetAlignment = GraphicsUtility.CombineAlignment(bufferOffsetAlignment, (ulong)Format.GetSize());
bufferOffsetAlignment = GraphicsUtility.CombineAlignment(bufferOffsetAlignment, context.PhysicalDeviceLimits.OptimalBufferCopyOffsetAlignment);
var uploadBufferAlloc = context.AllocateUploadBuffer((ulong)dataSize, bufferOffsetAlignment);
GraphicsUtility.CopyMemory(uploadBufferAlloc.Data, data, dataSize);
context.EndRenderPass();
context.EnsureCommandBuffer();
var preMemoryBarrier = new SharpVulkan.ImageMemoryBarrier {
StructureType = SharpVulkan.StructureType.ImageMemoryBarrier,
Image = image,
OldLayout = SharpVulkan.ImageLayout.ShaderReadOnlyOptimal,
NewLayout = SharpVulkan.ImageLayout.TransferDestinationOptimal,
SourceAccessMask = SharpVulkan.AccessFlags.ShaderRead,
DestinationAccessMask = SharpVulkan.AccessFlags.TransferWrite,
SubresourceRange = new SharpVulkan.ImageSubresourceRange(SharpVulkan.ImageAspectFlags.Color, 0, 1, (uint)level, 1)
};
context.CommandBuffer.PipelineBarrier(
SharpVulkan.PipelineStageFlags.VertexShader | SharpVulkan.PipelineStageFlags.FragmentShader,
SharpVulkan.PipelineStageFlags.Transfer, SharpVulkan.DependencyFlags.None,
0, null, 0, null, 1, &preMemoryBarrier);
var copyRegion = new SharpVulkan.BufferImageCopy {
BufferOffset = uploadBufferAlloc.BufferOffset,
BufferRowLength = (uint)width,
BufferImageHeight = (uint)height,
ImageOffset = new SharpVulkan.Offset3D(x, y, 0),
ImageExtent = new SharpVulkan.Extent3D((uint)width, (uint)height, 1),
ImageSubresource = new SharpVulkan.ImageSubresourceLayers(SharpVulkan.ImageAspectFlags.Color, 0, 1, (uint)level)
};
context.CommandBuffer.CopyBufferToImage(
uploadBufferAlloc.Buffer, image, SharpVulkan.ImageLayout.TransferDestinationOptimal, 1, ©Region);
var postMemoryBarrier = new SharpVulkan.ImageMemoryBarrier {
StructureType = SharpVulkan.StructureType.ImageMemoryBarrier,
Image = image,
OldLayout = SharpVulkan.ImageLayout.TransferDestinationOptimal,
NewLayout = SharpVulkan.ImageLayout.ShaderReadOnlyOptimal,
SourceAccessMask = SharpVulkan.AccessFlags.TransferWrite,
DestinationAccessMask = SharpVulkan.AccessFlags.ShaderRead,
SubresourceRange = new SharpVulkan.ImageSubresourceRange(SharpVulkan.ImageAspectFlags.Color, 0, 1, (uint)level, 1)
};
context.CommandBuffer.PipelineBarrier(
SharpVulkan.PipelineStageFlags.Transfer,
SharpVulkan.PipelineStageFlags.VertexShader | SharpVulkan.PipelineStageFlags.FragmentShader,
SharpVulkan.DependencyFlags.None, 0, null, 0, null, 1, &postMemoryBarrier);
}
}
