public ImageMemoryBarrier(Image image, ImageLayout oldLayout, ImageLayout newLayout, AccessFlags sourceAccesMask, AccessFlags destinationAccessMask, uint sourceQueueFamilyIndex, uint destinationQueueFamilyIndex, ImageSubresourceRange subresourceRange)
{
StructureType = StructureType.ImageMemoryBarrier;
Next = IntPtr.Zero;
Image = image;
SubresourceRange = subresourceRange;
OldLayout = oldLayout;
NewLayout = newLayout;
SourceAccessMask = sourceAccesMask;
DestinationAccessMask = destinationAccessMask;
SourceQueueFamilyIndex = sourceQueueFamilyIndex;
DestinationQueueFamilyIndex = destinationQueueFamilyIndex;
}
public ImageMemoryBarrier(Image image, ImageLayout oldLayout, ImageLayout newLayout, AccessFlags sourceAccesMask, AccessFlags destinationAccessMask, uint sourceQueueFamilyIndex, uint destinationQueueFamilyIndex, ImageSubresourceRange subresourceRange)
{
StructureType = StructureType.ImageMemoryBarrier;
Next = IntPtr.Zero;
Image = image;
SubresourceRange = subresourceRange;
OldLayout = oldLayout;
NewLayout = newLayout;
SourceAccessMask = sourceAccesMask;
DestinationAccessMask = destinationAccessMask;
SourceQueueFamilyIndex = sourceQueueFamilyIndex;
DestinationQueueFamilyIndex = destinationQueueFamilyIndex;
}
public ImageMemoryBarrier(Image image, ImageLayout oldLayout, ImageLayout newLayout, AccessFlags sourceAccesMask, AccessFlags destinationAccessMask, ImageSubresourceRange subresourceRange)
: this(image, oldLayout, newLayout, sourceAccesMask, destinationAccessMask, Vulkan.QueueFamilyIgnored, Vulkan.QueueFamilyIgnored, subresourceRange)
{
}
private void DrawInternal()
{
// Update descriptors
var descriptorSets = stackalloc DescriptorSet[2];
var setLayouts = stackalloc DescriptorSetLayout[2];
setLayouts[0] = setLayouts[1] = descriptorSetLayout;
var allocateInfo = new DescriptorSetAllocateInfo
{
StructureType = StructureType.DescriptorSetAllocateInfo,
DescriptorPool = descriptorPool,
DescriptorSetCount = 2,
SetLayouts = new IntPtr(setLayouts),
};
device.AllocateDescriptorSets(ref allocateInfo, descriptorSets);
var bufferInfo = new DescriptorBufferInfo
{
Buffer = uniformBuffer,
Range = Vulkan.WholeSize
};
var write = new WriteDescriptorSet
{
StructureType = StructureType.WriteDescriptorSet,
DescriptorCount = 1,
DestinationSet = descriptorSets[0],
DestinationBinding = 0,
DescriptorType = DescriptorType.UniformBuffer,
BufferInfo = new IntPtr(&bufferInfo)
};
var copy = new CopyDescriptorSet
{
StructureType = StructureType.CopyDescriptorSet,
DescriptorCount = 1,
SourceBinding = 0,
DestinationBinding = 0,
SourceSet = descriptorSets[0],
DestinationSet = descriptorSets[1]
};
device.UpdateDescriptorSets(1, &write, 0, null);
device.UpdateDescriptorSets(0, null, 1, ©);
// Post-present transition
var memoryBarrier = new ImageMemoryBarrier
{
StructureType = StructureType.ImageMemoryBarrier,
Image = backBuffers[currentBackBufferIndex],
SubresourceRange = new ImageSubresourceRange(ImageAspectFlags.Color, 0, 1, 0, 1),
OldLayout = ImageLayout.PresentSource,
NewLayout = ImageLayout.ColorAttachmentOptimal,
SourceAccessMask = AccessFlags.MemoryRead,
DestinationAccessMask = AccessFlags.ColorAttachmentWrite
};
commandBuffer.PipelineBarrier(PipelineStageFlags.TopOfPipe, PipelineStageFlags.TopOfPipe, DependencyFlags.None, 0, null, 0, null, 1, &memoryBarrier);
// Clear render target
var clearRange = new ImageSubresourceRange(ImageAspectFlags.Color, 0, 1, 0, 1);
commandBuffer.ClearColorImage(backBuffers[currentBackBufferIndex], ImageLayout.TransferDestinationOptimal, new RawColor4(0, 0, 0, 1), 1, &clearRange);
// Begin render pass
var renderPassBeginInfo = new RenderPassBeginInfo
{
StructureType = StructureType.RenderPassBeginInfo,
RenderPass = renderPass,
Framebuffer = framebuffers[currentBackBufferIndex],
RenderArea = new Rect2D(0, 0, (uint)form.ClientSize.Width, (uint)form.ClientSize.Height),
};
commandBuffer.BeginRenderPass(ref renderPassBeginInfo, SubpassContents.Inline);
// Bind pipeline
commandBuffer.BindPipeline(PipelineBindPoint.Graphics, pipeline);
// Bind descriptor sets
commandBuffer.BindDescriptorSets(PipelineBindPoint.Graphics, pipelineLayout, 0, 1, descriptorSets + 1, 0, null);
// Set viewport and scissor
var viewport = new Viewport(0, 0, form.ClientSize.Width, form.ClientSize.Height);
commandBuffer.SetViewport(0, 1, &viewport);
var scissor = new Rect2D(0, 0, (uint)form.ClientSize.Width, (uint)form.ClientSize.Height);
commandBuffer.SetScissor(0, 1, &scissor);
// Bind vertex buffer
var vertexBufferCopy = vertexBuffer;
ulong offset = 0;
commandBuffer.BindVertexBuffers(0, 1, &vertexBufferCopy, &offset);
// Draw vertices
commandBuffer.Draw(3, 1, 0, 0);
// End render pass
commandBuffer.EndRenderPass();
// Pre-present transition
memoryBarrier = new ImageMemoryBarrier
{
StructureType = StructureType.ImageMemoryBarrier,
Image = backBuffers[currentBackBufferIndex],
SubresourceRange = new ImageSubresourceRange(ImageAspectFlags.Color, 0, 1, 0, 1),
OldLayout = ImageLayout.ColorAttachmentOptimal,
NewLayout = ImageLayout.PresentSource,
SourceAccessMask = AccessFlags.ColorAttachmentWrite,
DestinationAccessMask = AccessFlags.MemoryRead
};
commandBuffer.PipelineBarrier(PipelineStageFlags.AllCommands, PipelineStageFlags.BottomOfPipe, DependencyFlags.None, 0, null, 0, null, 1, &memoryBarrier);
}
public ImageMemoryBarrier(Image image, ImageLayout oldLayout, ImageLayout newLayout, AccessFlags sourceAccesMask, AccessFlags destinationAccessMask, ImageSubresourceRange subresourceRange)
: this(image, oldLayout, newLayout, sourceAccesMask, destinationAccessMask, Vulkan.QueueFamilyIgnored, Vulkan.QueueFamilyIgnored, subresourceRange)
{
}
public unsafe void ClearDepthStencilImage(Image image, ImageLayout imageLayout, ClearDepthStencilValue depthStencil, uint rangeCount, ImageSubresourceRange* ranges)
{
vkCmdClearDepthStencilImage(this, image, imageLayout, &depthStencil, rangeCount, ranges);
}
public unsafe void ClearColorImage(Image image, ImageLayout imageLayout, ClearColorValue color, uint rangeCount, ImageSubresourceRange* ranges)
{
vkCmdClearColorImage(this, image, imageLayout, &color, rangeCount, ranges);
}
internal static unsafe extern void vkCmdClearDepthStencilImage(CommandBuffer commandBuffer, Image image, ImageLayout imageLayout, ClearDepthStencilValue* depthStencil, uint rangeCount, ImageSubresourceRange* ranges);
internal static unsafe extern void vkCmdClearColorImage(CommandBuffer commandBuffer, Image image, ImageLayout imageLayout, ClearColorValue* color, uint rangeCount, ImageSubresourceRange* ranges);