public unsafe void Update(Rectangle <uint> bounds, ReadOnlySpan <byte> data)
{
Vk vk = _renderer.Vk;
Buffer <byte> stagingBuffer = new(BufferUsageFlags.BufferUsageTransferSrcBit,
MemoryPropertyFlags.MemoryPropertyHostVisibleBit | MemoryPropertyFlags.MemoryPropertyHostCoherentBit, _renderer);
stagingBuffer.Update(data);
TransitionImageLayout(ImageLayout.ShaderReadOnlyOptimal, ImageLayout.TransferDstOptimal);
CommandBuffer commandBuffer = BeginImageCommandBuffer();
BufferImageCopy bufferImageCopy = new()
{
BufferOffset = 0,
BufferRowLength = 0,
BufferImageHeight = 0,
ImageSubresource = new ImageSubresourceLayers()
{
AspectMask = ImageAspectFlags.ImageAspectColorBit,
MipLevel = 0,
BaseArrayLayer = 0,
LayerCount = 1
},
ImageOffset = new Offset3D()
{
X = 0,
Y = 0,
Z = 0
},
ImageExtent = new Extent3D()
{
Width = Size.X,
Height = Size.Y,
Depth = 1
}
};
vk.CmdCopyBufferToImage(commandBuffer, stagingBuffer.Handle, _image, ImageLayout.TransferDstOptimal, 1, bufferImageCopy);
EndImageCommandBuffer(commandBuffer);
TransitionImageLayout(ImageLayout.TransferDstOptimal, ImageLayout.ShaderReadOnlyOptimal);
stagingBuffer.Dispose();
}
private unsafe CommandBuffer BeginImageCommandBuffer()
{
Device device = _renderer.Params.Device;
Vk vk = _renderer.Vk;
CommandBufferAllocateInfo commandBufferAllocateInfo = new()
{
SType = StructureType.CommandBufferAllocateInfo,
CommandBufferCount = 1,
CommandPool = _renderer.ImageTransitionPool
};
_renderer.AssertVulkan(vk.AllocateCommandBuffers(device, commandBufferAllocateInfo, out CommandBuffer commandBuffer));
CommandBufferBeginInfo commandBufferBeginInfo = new()
{
SType = StructureType.CommandBufferBeginInfo,
Flags = CommandBufferUsageFlags.CommandBufferUsageOneTimeSubmitBit,
PInheritanceInfo = null
};
_renderer.AssertVulkan(vk.BeginCommandBuffer(commandBuffer, commandBufferBeginInfo));
return(commandBuffer);
}
private unsafe void EndImageCommandBuffer(CommandBuffer commandBuffer)
{
Device device = _renderer.Params.Device;
Vk vk = _renderer.Vk;
_renderer.AssertVulkan(vk.EndCommandBuffer(commandBuffer));
SubmitInfo submitInfo = new()
{
SType = StructureType.SubmitInfo,
CommandBufferCount = 1,
PCommandBuffers = &commandBuffer,
SignalSemaphoreCount = 0,
PSignalSemaphores = null,
WaitSemaphoreCount = 0,
PWaitSemaphores = null,
PWaitDstStageMask = null
};
_renderer.AssertVulkan(vk.QueueSubmit(_renderer.ImageTransitionQueue, 1, submitInfo, default));
_renderer.AssertVulkan(vk.QueueWaitIdle(_renderer.ImageTransitionQueue));
vk.FreeCommandBuffers(device, _renderer.ImageTransitionPool, 1, commandBuffer);
}
private unsafe void TransitionImageLayout(ImageLayout oldLayout, ImageLayout newLayout)
{
Vk vk = _renderer.Vk;
CommandBuffer commandBuffer = BeginImageCommandBuffer();
ImageMemoryBarrier imageMemoryBarrier = new()
{
SType = StructureType.ImageMemoryBarrier,
OldLayout = oldLayout,
NewLayout = newLayout,
SrcQueueFamilyIndex = Vk.QueueFamilyIgnored,
DstQueueFamilyIndex = Vk.QueueFamilyIgnored,
Image = _image,
SubresourceRange = new ImageSubresourceRange()
{
AspectMask = ImageAspectFlags.ImageAspectColorBit,
BaseArrayLayer = 0,
LayerCount = 1,
BaseMipLevel = 0,
LevelCount = _mipLevelCount
},
SrcAccessMask = 0,
DstAccessMask = 0
};
if ((oldLayout == ImageLayout.Undefined) && (newLayout == ImageLayout.TransferDstOptimal))
{
imageMemoryBarrier.SrcAccessMask = 0;
imageMemoryBarrier.DstAccessMask = AccessFlags.AccessTransferWriteBit;
vk.CmdPipelineBarrier(commandBuffer, PipelineStageFlags.PipelineStageTopOfPipeBit, PipelineStageFlags.PipelineStageTransferBit, 0, 0, null, 0, null, 1, imageMemoryBarrier);
}
else if ((oldLayout == ImageLayout.TransferDstOptimal) && (newLayout == ImageLayout.ShaderReadOnlyOptimal))
{
imageMemoryBarrier.SrcAccessMask = AccessFlags.AccessTransferWriteBit;
imageMemoryBarrier.DstAccessMask = AccessFlags.AccessShaderReadBit;
vk.CmdPipelineBarrier(commandBuffer, PipelineStageFlags.PipelineStageTransferBit, PipelineStageFlags.PipelineStageFragmentShaderBit, 0, 0, null, 0, null, 1, imageMemoryBarrier);
}
else if ((oldLayout == ImageLayout.ShaderReadOnlyOptimal) && (newLayout == ImageLayout.TransferDstOptimal))
{
imageMemoryBarrier.SrcAccessMask = AccessFlags.AccessShaderReadBit;
imageMemoryBarrier.DstAccessMask = AccessFlags.AccessTransferWriteBit;
vk.CmdPipelineBarrier(commandBuffer, PipelineStageFlags.PipelineStageFragmentShaderBit, PipelineStageFlags.PipelineStageTransferBit, 0, 0, null, 0, null, 1, imageMemoryBarrier);
}
EndImageCommandBuffer(commandBuffer);
}
private void CopyBufferToImage(Buffer <byte> source)
{
Vk vk = _renderer.Vk;
CommandBuffer commandBuffer = BeginImageCommandBuffer();
BufferImageCopy bufferImageCopy = new()
{
BufferOffset = 0,
BufferRowLength = 0,
BufferImageHeight = 0,
ImageSubresource = new ImageSubresourceLayers()
{
AspectMask = ImageAspectFlags.ImageAspectColorBit,
MipLevel = 0,
BaseArrayLayer = 0,
LayerCount = 1
},
ImageOffset = new Offset3D()
{
X = 0,
Y = 0,
Z = 0
},
ImageExtent = new Extent3D()
{
Width = Size.X,
Height = Size.Y,
Depth = 1
}
};
vk.CmdCopyBufferToImage(commandBuffer, source.Handle, _image, ImageLayout.TransferDstOptimal, 1, bufferImageCopy);
EndImageCommandBuffer(commandBuffer);
}