public Auto <DisposableBufferView> CreateView(BufferHandle handle, VkFormat format, int offset, int size)
{
if (TryGetBuffer(handle, out var holder))
{
return(holder.CreateView(format, offset, size));
}
return(null);
}
public void Clear(
VulkanRenderer gd,
Auto <DisposableImageView> dst,
ReadOnlySpan <float> clearColor,
uint componentMask,
int dstWidth,
int dstHeight,
VkFormat dstFormat,
Rectangle <int> scissor)
{
const int ClearColorBufferSize = 16;
gd.FlushAllCommands();
using var cbs = gd.CommandBufferPool.Rent();
_pipeline.SetCommandBuffer(cbs);
var bufferHandle = gd.BufferManager.CreateWithHandle(gd, ClearColorBufferSize, false);
gd.BufferManager.SetData <float>(bufferHandle, 0, clearColor);
Span <BufferRange> bufferRanges = stackalloc BufferRange[1];
bufferRanges[0] = new BufferRange(bufferHandle, 0, ClearColorBufferSize);
_pipeline.SetUniformBuffers(1, bufferRanges);
Span <GAL.Viewport> viewports = stackalloc GAL.Viewport[1];
viewports[0] = new GAL.Viewport(
new Rectangle <float>(0, 0, dstWidth, dstHeight),
ViewportSwizzle.PositiveX,
ViewportSwizzle.PositiveY,
ViewportSwizzle.PositiveZ,
ViewportSwizzle.PositiveW,
0f,
1f);
Span <Rectangle <int> > scissors = stackalloc Rectangle <int> [1];
scissors[0] = scissor;
_pipeline.SetProgram(_programColorClear);
_pipeline.SetRenderTarget(dst, (uint)dstWidth, (uint)dstHeight, false, dstFormat);
_pipeline.SetRenderTargetColorMasks(new uint[] { componentMask });
_pipeline.SetViewports(viewports, false);
_pipeline.SetScissors(scissors);
_pipeline.SetPrimitiveTopology(GAL.PrimitiveTopology.TriangleStrip);
_pipeline.Draw(4, 1, 0, 0);
_pipeline.Finish();
gd.BufferManager.Delete(bufferHandle);
}
public unsafe Auto <DisposableBufferView> CreateView(VkFormat format, int offset, int size)
{
var bufferViewCreateInfo = new BufferViewCreateInfo()
{
SType = StructureType.BufferViewCreateInfo,
Buffer = new VkBuffer(_bufferHandle),
Format = format,
Offset = (uint)offset,
Range = (uint)size
};
_gd.Api.CreateBufferView(_device, bufferViewCreateInfo, null, out var bufferView).ThrowOnError();
return(new Auto <DisposableBufferView>(new DisposableBufferView(_gd.Api, _device, bufferView), _waitable, _buffer));
}
public void Blit(
VulkanRenderer gd,
TextureView src,
Auto <DisposableImageView> dst,
int dstWidth,
int dstHeight,
VkFormat dstFormat,
Extents2D srcRegion,
Extents2D dstRegion,
bool linearFilter,
bool clearAlpha = false)
{
gd.FlushAllCommands();
using var cbs = gd.CommandBufferPool.Rent();
Blit(gd, cbs, src, dst, dstWidth, dstHeight, dstFormat, srcRegion, dstRegion, linearFilter, clearAlpha);
}
public FramebufferParams(
Device device,
Auto <DisposableImageView> view,
uint width,
uint height,
bool isDepthStencil,
VkFormat format)
{
_device = device;
_attachments = new[] { view };
Width = width;
Height = height;
Layers = 1;
AttachmentFormats = new[] { format };
AttachmentIndices = new[] { 0 };
AttachmentsCount = 1;
HasDepthStencil = isDepthStencil;
}
private unsafe Auto <DisposableImageView> CreateImageView(Image image, VkFormat format)
{
var componentMapping = new ComponentMapping(
ComponentSwizzle.R,
ComponentSwizzle.G,
ComponentSwizzle.B,
ComponentSwizzle.A);
var subresourceRange = new ImageSubresourceRange(ImageAspectFlags.ImageAspectColorBit, 0, 1, 0, 1);
var imageCreateInfo = new ImageViewCreateInfo()
{
SType = StructureType.ImageViewCreateInfo,
Image = image,
ViewType = ImageViewType.ImageViewType2D,
Format = format,
Components = componentMapping,
SubresourceRange = subresourceRange
};
_gd.Api.CreateImageView(_device, imageCreateInfo, null, out var imageView).ThrowOnError();
return(new Auto <DisposableImageView>(new DisposableImageView(_gd.Api, _device, imageView)));
}
public FramebufferParams(Device device, ITexture[] colors, ITexture depthStencil)
{
_device = device;
int colorsCount = colors.Count(IsValidTextureView);
int count = colorsCount + (IsValidTextureView(depthStencil) ? 1 : 0);
_attachments = new Auto <DisposableImageView> [count];
AttachmentFormats = new VkFormat[count];
AttachmentIndices = new int[count];
uint width = uint.MaxValue;
uint height = uint.MaxValue;
uint layers = uint.MaxValue;
int index = 0;
int bindIndex = 0;
foreach (ITexture color in colors)
{
if (IsValidTextureView(color))
{
var texture = (TextureView)color;
_attachments[index] = texture.GetImageViewForAttachment();
AttachmentFormats[index] = texture.VkFormat;
AttachmentIndices[index] = bindIndex;
width = Math.Min(width, (uint)texture.Width);
height = Math.Min(height, (uint)texture.Height);
layers = Math.Min(layers, (uint)texture.Layers);
if (++index >= colorsCount)
{
break;
}
}
bindIndex++;
}
if (depthStencil is TextureView dsTexture && dsTexture.Valid)
{
_attachments[count - 1] = dsTexture.GetImageViewForAttachment();
AttachmentFormats[count - 1] = dsTexture.VkFormat;
width = Math.Min(width, (uint)dsTexture.Width);
height = Math.Min(height, (uint)dsTexture.Height);
layers = Math.Min(layers, (uint)dsTexture.Layers);
HasDepthStencil = true;
}
if (count == 0)
{
width = height = layers = 1;
}
Width = width;
Height = height;
Layers = layers;
AttachmentsCount = count;
}
private void CreateFramebuffer(Auto <DisposableImageView> view, uint width, uint height, bool isDepthStencil, VkFormat format)
{
FramebufferParams = new FramebufferParams(Device, view, width, height, isDepthStencil, format);
UpdatePipelineAttachmentFormats();
}
public void SetRenderTarget(Auto <DisposableImageView> view, uint width, uint height, bool isDepthStencil, VkFormat format)
{
CreateFramebuffer(view, width, height, isDepthStencil, format);
CreateRenderPass();
SignalStateChange();
}
private unsafe void CreateSwapchain()
{
_gd.SurfaceApi.GetPhysicalDeviceSurfaceCapabilities(_physicalDevice, _surface, out var capabilities);
uint surfaceFormatsCount;
_gd.SurfaceApi.GetPhysicalDeviceSurfaceFormats(_physicalDevice, _surface, &surfaceFormatsCount, null);
var surfaceFormats = new SurfaceFormatKHR[surfaceFormatsCount];
fixed(SurfaceFormatKHR *pSurfaceFormats = surfaceFormats)
{
_gd.SurfaceApi.GetPhysicalDeviceSurfaceFormats(_physicalDevice, _surface, &surfaceFormatsCount, pSurfaceFormats);
}
uint presentModesCount;
_gd.SurfaceApi.GetPhysicalDeviceSurfacePresentModes(_physicalDevice, _surface, &presentModesCount, null);
var presentModes = new PresentModeKHR[presentModesCount];
fixed(PresentModeKHR *pPresentModes = presentModes)
{
_gd.SurfaceApi.GetPhysicalDeviceSurfacePresentModes(_physicalDevice, _surface, &presentModesCount, pPresentModes);
}
uint imageCount = capabilities.MinImageCount + 1;
if (capabilities.MaxImageCount > 0 && imageCount > capabilities.MaxImageCount)
{
imageCount = capabilities.MaxImageCount;
}
var surfaceFormat = ChooseSwapSurfaceFormat(surfaceFormats);
var extent = ChooseSwapExtent(capabilities);
_width = (int)extent.Width;
_height = (int)extent.Height;
_format = surfaceFormat.Format;
var oldSwapchain = _swapchain;
var swapchainCreateInfo = new SwapchainCreateInfoKHR()
{
SType = StructureType.SwapchainCreateInfoKhr,
Surface = _surface,
MinImageCount = imageCount,
ImageFormat = surfaceFormat.Format,
ImageColorSpace = surfaceFormat.ColorSpace,
ImageExtent = extent,
ImageUsage = ImageUsageFlags.ImageUsageColorAttachmentBit | ImageUsageFlags.ImageUsageTransferDstBit,
ImageSharingMode = SharingMode.Exclusive,
ImageArrayLayers = 1,
PreTransform = capabilities.CurrentTransform,
CompositeAlpha = CompositeAlphaFlagsKHR.CompositeAlphaOpaqueBitKhr,
PresentMode = ChooseSwapPresentMode(presentModes),
Clipped = true,
OldSwapchain = oldSwapchain
};
_gd.SwapchainApi.CreateSwapchain(_device, swapchainCreateInfo, null, out _swapchain).ThrowOnError();
_gd.SwapchainApi.GetSwapchainImages(_device, _swapchain, &imageCount, null);
_swapchainImages = new Image[imageCount];
fixed(Image *pSwapchainImages = _swapchainImages)
{
_gd.SwapchainApi.GetSwapchainImages(_device, _swapchain, &imageCount, pSwapchainImages);
}
_swapchainImageViews = new Auto <DisposableImageView> [imageCount];
for (int i = 0; i < imageCount; i++)
{
_swapchainImageViews[i] = CreateSwapchainImageView(_swapchainImages[i], surfaceFormat.Format);
}
}
public void Blit(
VulkanRenderer gd,
CommandBufferScoped cbs,
TextureView src,
Auto <DisposableImageView> dst,
int dstWidth,
int dstHeight,
VkFormat dstFormat,
Extents2D srcRegion,
Extents2D dstRegion,
bool linearFilter,
bool clearAlpha = false)
{
_pipeline.SetCommandBuffer(cbs);
const int RegionBufferSize = 16;
var sampler = linearFilter ? _samplerLinear : _samplerNearest;
_pipeline.SetTextureAndSampler(ShaderStage.Fragment, 0, src, sampler);
Span <float> region = stackalloc float[RegionBufferSize / sizeof(float)];
region[0] = (float)srcRegion.X1 / src.Width;
region[1] = (float)srcRegion.X2 / src.Width;
region[2] = (float)srcRegion.Y1 / src.Height;
region[3] = (float)srcRegion.Y2 / src.Height;
if (dstRegion.X1 > dstRegion.X2)
{
(region[0], region[1]) = (region[1], region[0]);
}
if (dstRegion.Y1 > dstRegion.Y2)
{
(region[2], region[3]) = (region[3], region[2]);
}
var bufferHandle = gd.BufferManager.CreateWithHandle(gd, RegionBufferSize, false);
gd.BufferManager.SetData <float>(bufferHandle, 0, region);
Span <BufferRange> bufferRanges = stackalloc BufferRange[1];
bufferRanges[0] = new BufferRange(bufferHandle, 0, RegionBufferSize);
_pipeline.SetUniformBuffers(1, bufferRanges);
Span <GAL.Viewport> viewports = stackalloc GAL.Viewport[1];
var rect = new Rectangle <float>(
MathF.Min(dstRegion.X1, dstRegion.X2),
MathF.Min(dstRegion.Y1, dstRegion.Y2),
MathF.Abs(dstRegion.X2 - dstRegion.X1),
MathF.Abs(dstRegion.Y2 - dstRegion.Y1));
viewports[0] = new GAL.Viewport(
rect,
ViewportSwizzle.PositiveX,
ViewportSwizzle.PositiveY,
ViewportSwizzle.PositiveZ,
ViewportSwizzle.PositiveW,
0f,
1f);
Span <Rectangle <int> > scissors = stackalloc Rectangle <int> [1];
scissors[0] = new Rectangle <int>(0, 0, dstWidth, dstHeight);
_pipeline.SetProgram(clearAlpha ? _programColorBlitClearAlpha : _programColorBlit);
_pipeline.SetRenderTarget(dst, (uint)dstWidth, (uint)dstHeight, false, dstFormat);
_pipeline.SetRenderTargetColorMasks(new uint[] { 0xf });
_pipeline.SetScissors(scissors);
if (clearAlpha)
{
_pipeline.ClearRenderTargetColor(0, 0, 1, new ColorF(0f, 0f, 0f, 1f));
}
_pipeline.SetViewports(viewports, false);
_pipeline.SetPrimitiveTopology(GAL.PrimitiveTopology.TriangleStrip);
_pipeline.Draw(4, 1, 0, 0);
_pipeline.Finish();
gd.BufferManager.Delete(bufferHandle);
}
