public void CmdCopyImageToBuffer(
[FromProperty("this")] GenCommandBuffer commandBuffer,
GenImage srcImage,
VkImageLayout srcImageLayout,
GenBuffer dstBuffer,
[CountFor("regions")] int regionCount,
[IsArray] VkBufferImageCopy *pRegions)
{
}
public void CmdCopyBufferToImage(
[FromProperty("this")] GenCommandBuffer commandBuffer,
GenBuffer srcBuffer,
GenImage dstImage,
VkImageLayout dstImageLayout,
[CountFor("regions")] int regionCount,
[IsArray] VkBufferImageCopy *pRegions)
{
}
internal void copy_image_to_buffer(Buffer buffer, Image image, uint num_blits, VkBufferImageCopy *blits)
{
vkCmdCopyImageToBuffer(handle, image.handle, image.get_layout(VkImageLayout.TransferSrcOptimal), buffer.handle, num_blits, blits);
}
internal void copy_buffer_to_image(Image image, Buffer buffer, uint num_blits, VkBufferImageCopy *blits)
{
vkCmdCopyBufferToImage(handle, buffer.handle, image.handle, image.get_layout(VkImageLayout.TransferDstOptimal), num_blits, blits);
}
internal void copy_buffer_to_image(VkImage image, VkBuffer buffer, uint num_blits, VkBufferImageCopy *blits, VkImageLayout layout)
{
vkCmdCopyBufferToImage(handle, buffer, image, layout, num_blits, blits);
}
public void SetData(byte[] data)
{
buffer = new Buffer(NativeDevice, new()
{
BufferFlags = BufferFlags.ShaderResource,
SizeInBytes = Size,
ByteStride = Size,
Usage = ResourceUsage.CPU_To_GPU
});
buffer.SetData(data);
CommandBuffer cmd = new(NativeDevice, CommandBufferType.AsyncTransfer);
cmd.BeginOneTimeSubmit();
VkImageSubresourceRange subresource_range = new(VkImageAspectFlags.Color, 0, (uint)MipLevels, 0, 1);
VkImageMemoryBarrier memory_barrier = new()
{
sType = VkStructureType.ImageMemoryBarrier,
pNext = null,
image = handle,
subresourceRange = subresource_range,
srcAccessMask = VkAccessFlags.None,
dstAccessMask = VkAccessFlags.TransferWrite,
oldLayout = VkImageLayout.Undefined,
newLayout = VkImageLayout.TransferDstOptimal,
srcQueueFamilyIndex = QueueFamilyIgnored,
dstQueueFamilyIndex = QueueFamilyIgnored
};
cmd.PipelineBarrier(VkPipelineStageFlags.TopOfPipe, VkPipelineStageFlags.Transfer, VkDependencyFlags.None, 0, null, 0, null, memory_barrier);
uint num_blits = (uint)1;
int offset = 0;
VkBufferImageCopy *blits = stackalloc VkBufferImageCopy[MipLevels]; // Setup buffer copy regions for each mip level.
for (uint i = 0; i < num_blits; i++)
{
blits[i] = new()
{
imageSubresource = new(VkImageAspectFlags.Color, i, 0, 1),
imageExtent = new(Width, Height, 1),
bufferOffset = (ulong)offset
};
offset += Size;
}
cmd.copy_buffer_to_image(handle, buffer.handle, num_blits, blits, VkImageLayout.TransferDstOptimal);
VkImageMemoryBarrier memory_barrier_read = new()
{
sType = VkStructureType.ImageMemoryBarrier,
pNext = null,
image = handle,
subresourceRange = subresource_range,
srcAccessMask = VkAccessFlags.TransferWrite,
dstAccessMask = VkAccessFlags.ShaderRead,
oldLayout = VkImageLayout.TransferDstOptimal,
newLayout = VkImageLayout.ShaderReadOnlyOptimal,
srcQueueFamilyIndex = QueueFamilyIgnored,
dstQueueFamilyIndex = QueueFamilyIgnored
};
cmd.PipelineBarrier(VkPipelineStageFlags.Transfer, VkPipelineStageFlags.FragmentShader, VkDependencyFlags.None, 0, null, 0, null, memory_barrier_read);
cmd.End();
Fence fence = new Fence(NativeDevice);
NativeDevice.Submit(cmd, fence);
fence.Wait();
//if (fence.IsSignaled)
// Cleanup staging resources.
fence.Dispose();
vkFreeMemory(NativeDevice.handle, buffer_memory, null);
vkDestroyBuffer(NativeDevice.handle, buffer.handle, null);
}
public void Image2D()
{
buffer = new Buffer(NativeDevice, new()
{
BufferFlags = BufferFlags.ShaderResource,
SizeInBytes = Size,
ByteStride = Size,
Usage = ResourceUsage.CPU_To_GPU
});
buffer.SetData(Data);
CommandBuffer cmd = new(NativeDevice, CommandBufferType.AsyncTransfer);
cmd.BeginOneTimeSubmit();
VkImageSubresourceRange subresource_range = new(VkImageAspectFlags.Color, 0, (uint)MipLevels, 0, 1);
VkImageMemoryBarrier memory_barrier = new()
{
sType = VkStructureType.ImageMemoryBarrier,
pNext = null,
image = handle,
subresourceRange = subresource_range,
srcAccessMask = VkAccessFlags.None,
dstAccessMask = VkAccessFlags.TransferWrite,
oldLayout = VkImageLayout.Undefined,
newLayout = VkImageLayout.TransferDstOptimal,
srcQueueFamilyIndex = QueueFamilyIgnored,
dstQueueFamilyIndex = QueueFamilyIgnored
};
cmd.PipelineBarrier(VkPipelineStageFlags.TopOfPipe, VkPipelineStageFlags.Transfer, VkDependencyFlags.None, 0, null, 0, null, memory_barrier);
uint num_blits = (uint)1;
int offset = 0;
VkBufferImageCopy *blits = stackalloc VkBufferImageCopy[MipLevels]; // Setup buffer copy regions for each mip level.
for (uint i = 0; i < num_blits; i++)
{
blits[i] = new()
{
imageSubresource = new(VkImageAspectFlags.Color, i, 0, 1),
imageExtent = new(Width, Height, 1),
bufferOffset = (ulong)offset
};
offset += Size;
}
cmd.copy_buffer_to_image(handle, buffer.handle, num_blits, blits, VkImageLayout.TransferDstOptimal);
VkImageMemoryBarrier memory_barrier_read = new()
{
sType = VkStructureType.ImageMemoryBarrier,
pNext = null,
image = handle,
subresourceRange = subresource_range,
srcAccessMask = VkAccessFlags.TransferWrite,
dstAccessMask = VkAccessFlags.ShaderRead,
oldLayout = VkImageLayout.TransferDstOptimal,
newLayout = VkImageLayout.ShaderReadOnlyOptimal,
srcQueueFamilyIndex = QueueFamilyIgnored,
dstQueueFamilyIndex = QueueFamilyIgnored
};
cmd.PipelineBarrier(VkPipelineStageFlags.Transfer, VkPipelineStageFlags.FragmentShader, VkDependencyFlags.None, 0, null, 0, null, memory_barrier_read);
cmd.End();
Fence fence = new Fence(NativeDevice);
NativeDevice.Submit(cmd, fence);
fence.Wait();
//if (fence.IsSignaled)
// Cleanup staging resources.
fence.Dispose();
vkFreeMemory(NativeDevice.handle, buffer_memory, null);
vkDestroyBuffer(NativeDevice.handle, buffer.handle, null);
}
internal VkImageView get_depth_stencil_view()
{
if (!IsDepthStencil)
{
return(VkImageView.Null);
}
// Create a Depth stencil view on this texture2D
VkImageViewCreateInfo createInfo = new VkImageViewCreateInfo
{
sType = VkStructureType.ImageViewCreateInfo,
flags = VkImageViewCreateFlags.None,
pNext = null,
viewType = VkImageViewType.Image2D,
format = Format,
image = handle,
components = VkComponentMapping.Identity,
subresourceRange = new VkImageSubresourceRange(VkImageAspectFlags.Depth | VkImageAspectFlags.Stencil, 0, 1, 0, 1)
};
vkCreateImageView(NativeDevice.handle, &createInfo, null, out VkImageView _view).CheckResult();
return(_view);
}
internal VkImageView get_image_view()
{
if (!IsShaderResource)
{
return(VkImageView.Null);
}
// Create image view.
VkImageViewCreateInfo imageViewCreateInfo = new VkImageViewCreateInfo()
{
sType = VkStructureType.ImageViewCreateInfo,
image = handle,
viewType = VkImageViewType.Image2D,
format = Format,
subresourceRange = new VkImageSubresourceRange(VkImageAspectFlags.Color, 0, 1, 0, 1), // TODO: MipMaps
};
vkCreateImageView(NativeDevice.handle, &imageViewCreateInfo, null, out var _view);
return(_view);
}
