internal void BlitImageToCurrentImage(VulkanSurfaceRenderTarget renderTarget, CommandBuffer commandBuffer)
{
var image = renderTarget.GetImage();
VulkanMemoryHelper.TransitionLayout(_device, commandBuffer,
image.InternalHandle.Value, (ImageLayout)image.CurrentLayout,
AccessFlags.AccessNoneKhr,
ImageLayout.TransferSrcOptimal,
AccessFlags.AccessTransferReadBit,
renderTarget.MipLevels);
var srcBlitRegion = new ImageBlit
{
SrcOffsets = new ImageBlit.SrcOffsetsBuffer
{
Element0 = new Offset3D(0, 0, 0),
Element1 = new Offset3D(renderTarget.Size.Width, renderTarget.Size.Height, 1),
},
DstOffsets = new ImageBlit.DstOffsetsBuffer
{
Element0 = new Offset3D(0, 0, 0),
Element1 = new Offset3D(Size.Width, Size.Height, 1),
},
SrcSubresource = new ImageSubresourceLayers
{
AspectMask = ImageAspectFlags.ImageAspectColorBit,
BaseArrayLayer = 0,
LayerCount = 1,
MipLevel = 0
},
DstSubresource = new ImageSubresourceLayers
{
AspectMask = ImageAspectFlags.ImageAspectColorBit,
BaseArrayLayer = 0,
LayerCount = 1,
MipLevel = 0
}
};
_device.Api.CmdBlitImage(commandBuffer, image.InternalHandle.Value,
ImageLayout.TransferSrcOptimal,
_swapchainImages[_nextImage],
ImageLayout.TransferDstOptimal,
1,
srcBlitRegion,
Filter.Linear);
VulkanMemoryHelper.TransitionLayout(_device, commandBuffer,
image.InternalHandle.Value, ImageLayout.TransferSrcOptimal,
AccessFlags.AccessTransferReadBit,
(ImageLayout)image.CurrentLayout,
AccessFlags.AccessNoneKhr,
renderTarget.MipLevels);
}
private static void BlitImage(
ImageAspects aspectMask,
Image fromImage,
IntRect fromRegion,
int fromMipLevel,
int fromLayerCount,
Image toImage,
IntRect toRegion,
int toMipLevel,
int toLayerCount,
TransientExecutor executor)
{
ImageBlit blit = new ImageBlit
{
SrcSubresource = new ImageSubresourceLayers(
aspectMask,
fromMipLevel,
baseArrayLayer: 0,
fromLayerCount),
SrcOffset1 = new Offset3D(fromRegion.Min.X, fromRegion.Min.Y, 0),
SrcOffset2 = new Offset3D(fromRegion.Max.X, fromRegion.Max.Y, 1),
DstSubresource = new ImageSubresourceLayers(
aspectMask,
toMipLevel,
baseArrayLayer: 0,
toLayerCount),
DstOffset1 = new Offset3D(toRegion.Min.X, toRegion.Min.Y, 0),
DstOffset2 = new Offset3D(toRegion.Max.X, toRegion.Max.Y, 1)
};
//Execute the blit
executor.ExecuteBlocking(commandBuffer =>
{
commandBuffer.CmdBlitImage(
srcImage: fromImage,
srcImageLayout: ImageLayout.TransferSrcOptimal,
dstImage: toImage,
dstImageLayout: ImageLayout.TransferDstOptimal,
regions: new [] { blit },
filter: Filter.Linear);
});
}
public unsafe void BlitImage(Image sourceImage, ImageLayout sourceImageLayout, Image destinationImage, ImageLayout destinationImageLayout, uint regionCount, ImageBlit* regions, Filter filter)
{
vkCmdBlitImage(this, sourceImage, sourceImageLayout, destinationImage, destinationImageLayout, regionCount, regions, filter);
}
public void CmdBlitImage(Image srcImage, ImageLayout srcImageLayout, Image dstImage, ImageLayout dstImageLayout, ImageBlit pRegion, Filter filter)
{
unsafe {
Interop.NativeMethods.vkCmdBlitImage(this.m, srcImage != null ? srcImage.m : default(UInt64), srcImageLayout, dstImage != null ? dstImage.m : default(UInt64), dstImageLayout, (UInt32)(pRegion != null ? 1 : 0), pRegion != null ? pRegion.m : (Interop.ImageBlit *) default(IntPtr), filter);
}
}
internal static unsafe extern void vkCmdBlitImage(CommandBuffer commandBuffer, Image sourceImage, ImageLayout sourceImageLayout, Image destinationImage, ImageLayout destinationImageLayout, uint regionCount, ImageBlit* regions, Filter filter);
