void RenderTriangle(CommandBuffer cmdBuffer, VertexData vertexData, RenderPass renderPass, Pipeline pipeline, Framebuffer framebuffer, uint width, uint height)
{
// Set the viewport
var viewport = new Viewport(0, 0, width, height, 0, 0);
cmdBuffer.SetViewport(0, new[] { viewport });
// Begin the render pass. Just as all commands must be issued between a Begin()
// and End() call, certain commands can only be called bewteen BeginRenderPass()
// and EndRenderPass()
var renderArea = new Rect2D(new Offset2D(0, 0), new Extent2D(width, height));
var renderPassBegin = new RenderPassBeginInfo(renderPass, framebuffer, renderArea, null);
cmdBuffer.BeginRenderPass(renderPassBegin, SubpassContents.Inline);
renderPassBegin.Dispose();
cmdBuffer.BindPipeline(PipelineBindPoint.Graphics, pipeline);
// Render the triangle
cmdBuffer.BindVertexBuffers(0, new[] { vertexData.Buffer }, new DeviceSize[] { 0 });
cmdBuffer.Draw(3, 1, 0, 0);
// End the RenderPass
cmdBuffer.EndRenderPass();
}
public unsafe void BeginRenderPass(ref RenderPassBeginInfo renderPassBegin, SubpassContents contents)
{
fixed (RenderPassBeginInfo* __renderPassBegin__ = &renderPassBegin)
{
vkCmdBeginRenderPass(this, __renderPassBegin__, contents);
}
}
CommandBuffer [] CreateCommandBuffers(Image [] images, Framebuffer [] framebuffers, RenderPass renderPass, SurfaceCapabilitiesKhr surfaceCapabilities)
{
var createPoolInfo = new CommandPoolCreateInfo {
Flags = CommandPoolCreateFlags.ResetCommandBuffer
};
var commandPool = device.CreateCommandPool(createPoolInfo);
var commandBufferAllocateInfo = new CommandBufferAllocateInfo {
Level = CommandBufferLevel.Primary,
CommandPool = commandPool,
CommandBufferCount = (uint)images.Length
};
var buffers = device.AllocateCommandBuffers(commandBufferAllocateInfo);
for (int i = 0; i < images.Length; i++)
{
var commandBufferBeginInfo = new CommandBufferBeginInfo();
buffers [i].Begin(commandBufferBeginInfo);
var renderPassBeginInfo = new RenderPassBeginInfo {
Framebuffer = framebuffers [i],
RenderPass = renderPass,
ClearValues = new ClearValue [] { new ClearValue {
Color = new ClearColorValue(new float [] { 0.9f, 0.7f, 0.0f, 1.0f })
} },
RenderArea = new Rect2D {
Extent = surfaceCapabilities.CurrentExtent
}
};
buffers [i].CmdBeginRenderPass(renderPassBeginInfo, SubpassContents.Inline);
buffers [i].CmdEndRenderPass();
buffers [i].End();
}
return(buffers);
}
public SwapchainManager(Device LogicalDevice, SurfaceFormatKHR SelectedSurfaceFormat)
{
var compositeAlpha = VulkanRenderer.Surface.SurfaceCapabilities.SupportedCompositeAlpha.HasFlag(CompositeAlphaFlagsKHR.Inherit)
? CompositeAlphaFlagsKHR.Inherit
: CompositeAlphaFlagsKHR.Opaque;
SemaphoreCreateInfo semaphoreInfo = new SemaphoreCreateInfo();
SwapchainDrawCompleteSemaphore = LogicalDevice.CreateSemaphore(semaphoreInfo);
CreateDefaultSwapchainRenderPass(LogicalDevice);
renderPassBeginInfo = new RenderPassBeginInfo {
ClearValueCount = 1, ClearValues = new ClearValue[] { new ClearValue {
Color = new ClearColorValue(Color.AliceBlue)
} }, RenderPass = myBaseRenderPass
};
renderPassBeginInfo.RenderArea = new Rect2D {
Extent = new Extent2D {
Width = VulkanRenderer.Surface.SurfaceCapabilities.CurrentExtent.Width, Height = VulkanRenderer.Surface.SurfaceCapabilities.CurrentExtent.Height
}, Offset = new Offset2D {
X = 0, Y = 0
}
};
var swapchainInfo = new SwapchainCreateInfoKHR
{
Surface = VulkanRenderer.Surface,
MinImageCount = VulkanRenderer.Surface.SurfaceCapabilities.MinImageCount + 1,
ImageFormat = VulkanRenderer.Surface.SelectedSurfaceFormat.Format,
ImageColorSpace = VulkanRenderer.Surface.SelectedSurfaceFormat.ColorSpace,
ImageExtent = VulkanRenderer.Surface.SurfaceCapabilities.CurrentExtent,
ImageUsage = ImageUsageFlags.ColorAttachment,
PreTransform = SurfaceTransformFlagsKHR.Identity,
ImageArrayLayers = 1,
ImageSharingMode = SharingMode.Exclusive,
QueueFamilyIndices = new uint[] { VulkanRenderer.ActiveGraphicsFamilyQueueIndex },
PresentMode = PresentModeKHR.Fifo,
CompositeAlpha = compositeAlpha
};
Swapchain = VulkanRenderer.SelectedLogicalDevice.CreateSwapchainKHR(swapchainInfo);
Images = VulkanRenderer.SelectedLogicalDevice.GetSwapchainImagesKHR(Swapchain);
SwapChainPresentInfo = new PresentInfoKHR
{
Swapchains = new SwapchainKHR[] { Swapchain },
ImageIndices = new uint[] { VulkanRenderer.SelectedLogicalDevice.AcquireNextImageKHR(Swapchain, ulong.MaxValue, SwapchainDrawCompleteSemaphore) }
};
Framebuffers = new SwapChainFrameBuffer[Images.Length]; //Move this to swap chains
for (int i = 0; i < Images.Length; i++)
{
Framebuffers[i] = new SwapChainFrameBuffer(myBaseRenderPass, Images[i], i, VulkanRenderer.Surface.SurfaceCapabilities.CurrentExtent.Width, VulkanRenderer.Surface.SurfaceCapabilities.CurrentExtent.Height, 1);
Framebuffers[i].Initialize();
}
}
protected override void RecordCommandBuffer(CommandBuffer cmdBuffer, int imageIndex)
{
var renderPassBeginInfo = new RenderPassBeginInfo(
_framebuffers[imageIndex],
new Rect2D(Offset2D.Zero, new Extent2D(Host.Width, Host.Height)),
new ClearColorValue(new ColorF4(0.39f, 0.58f, 0.93f, 1.0f)));
cmdBuffer.CmdBeginRenderPass(renderPassBeginInfo);
cmdBuffer.CmdBindPipeline(PipelineBindPoint.Graphics, _pipeline);
cmdBuffer.CmdDraw(3);
cmdBuffer.CmdEndRenderPass();
}
public void BeginPass(PipelineController pipeline)
{
var renderPassBeginInfo = new RenderPassBeginInfo(
Image.GetFrameBuffer(pipeline),
new Rect2D(0, 0, Image.Size.X, Image.Size.Y),
new ClearColorValue(),
new ClearDepthStencilValue(1f, 0)
);
CommandBuffer.CmdBeginRenderPass(renderPassBeginInfo);
CommandBuffer.CmdBindDescriptorSet(PipelineBindPoint.Graphics, pipeline.PipelineLayout, pipeline.DescriptorSet);
CommandBuffer.CmdBindPipeline(PipelineBindPoint.Graphics, pipeline.Pipeline);
}
protected override void RecordCommandBuffer(CommandBuffer cmdBuffer, int imageIndex)
{
var renderPassBeginInfo = new RenderPassBeginInfo(
_framebuffers[imageIndex],
new Rect2D(0, 0, Host.Width, Host.Height),
new ClearColorValue(new ColorF4(0.39f, 0.58f, 0.93f, 1.0f)),
new ClearDepthStencilValue(1.0f, 0));
cmdBuffer.CmdBeginRenderPass(renderPassBeginInfo);
cmdBuffer.CmdBindDescriptorSet(PipelineBindPoint.Graphics, _pipelineLayout, _descriptorSet);
cmdBuffer.CmdBindPipeline(PipelineBindPoint.Graphics, _pipeline);
cmdBuffer.CmdBindVertexBuffer(_cubeVertices);
cmdBuffer.CmdBindIndexBuffer(_cubeIndices);
cmdBuffer.CmdDrawIndexed(_cubeIndices.Count);
cmdBuffer.CmdEndRenderPass();
}
private void CreateCommandBuffers()
{
var allocInfo = new CommandBufferAllocateInfo()
{
CommandPool = vkCommandPool,
Level = CommandBufferLevel.Primary,
CommandBufferCount = (uint)vkSwapChainFramebuffers.Length,
};
vkCommandBuffers = vkDevice.AllocateCommandBuffers(allocInfo);
for (int i = 0; i < vkCommandBuffers.Length; i++)
{
var beginInfo = new CommandBufferBeginInfo()
{
Flags = CommandBufferUsageFlags.SimultaneousUse,
InheritanceInfo = null,
};
var buffer = vkCommandBuffers[i];
buffer.Begin(beginInfo);
var renderPassInfo = new RenderPassBeginInfo()
{
RenderPass = vkRenderPass,
Framebuffer = vkSwapChainFramebuffers[i],
RenderArea = new Rect2D()
{
Extent = vkSwapChainExtent
},
ClearValues = new ClearValue[] { new ClearValue()
{
Color = new ClearColorValue(new float[] { 0.0f, 0.0f, 0.0f, 1.0f })
} },
};
buffer.CmdBeginRenderPass(renderPassInfo, SubpassContents.Inline);
buffer.CmdBindPipeline(PipelineBindPoint.Graphics, vkGraphicsPipeline);
buffer.CmdBindDescriptorSet(PipelineBindPoint.Graphics, vkPipelineLayout, 0, vkDescriptorSet, 0);
buffer.CmdBindVertexBuffer(0, vkVertexBuffer, 0);
buffer.CmdBindIndexBuffer(vkIndexBuffer, 0, IndexType.Uint16);
buffer.CmdDrawIndexed((uint)indices.Length, 1, 0, 0, 0);
buffer.CmdEndRenderPass();
buffer.End();
}
}
protected override void InitCommandBuffers()
{
for (int i = 0; i < bufferSize; i++)
{
var beginInfo = new CommandBufferBeginInfo
{
Flags = CommandBufferUsageFlags.SimultaneousUse
};
commandBuffers[i].Begin(beginInfo);
var clearColor = new ClearValue
{
Color = new ClearColorValue(new float[] { 25 / 255f, 0.0f, 10 / 255f, 1.0f })
};
var renderPassInfo = new RenderPassBeginInfo
{
RenderPass = renderPass,
Framebuffer = framebuffers[i],
RenderArea = new Rect2D
{
Offset = new Offset2D
{
X = 0,
Y = 0
},
Extent = extent
},
ClearValueCount = 1,
ClearValues = new ClearValue[] { clearColor }
};
commandBuffers[i].CmdBeginRenderPass(renderPassInfo, SubpassContents.Inline);
commandBuffers[i].CmdBindPipeline(PipelineBindPoint.Graphics, graphicsPipeline);
commandBuffers[i].CmdBindVertexBuffer(0, vertexBuffer, 0);
commandBuffers[i].CmdBindIndexBuffer(indexBuffer, 0, IndexType.Uint32);
commandBuffers[i].CmdBindDescriptorSet(PipelineBindPoint.Graphics, pipelineLayout, 0, descriptorSets[i], null);
commandBuffers[i].CmdDrawIndexed((uint)mesh.indices.Length, 1, 0, 0, 0);
commandBuffers[i].CmdEndRenderPass();
commandBuffers[i].End();
}
}
public void BeginBuffer(CommandBuffer cb,
int frameBufIndex, ClearValue cv)
{
CommandBufferBeginInfo cbbi = new CommandBufferBeginInfo();
cbbi.Flags = CommandBufferUsages.SimultaneousUse;
cb.Begin(cbbi);
RenderPassBeginInfo rpbi = new RenderPassBeginInfo(
mChainBuffers[frameBufIndex],
new Rect2D(Offset2D.Zero, mDevices.GetChainExtent()), cv);
//rpbi.ClearValues =cv;
cb.CmdBeginRenderPass(rpbi);
cb.CmdBindPipeline(PipelineBindPoint.Graphics, mPipe);
}
public GeometryPass(GeometryBuffer myBuffer, RenderPass OffscreenRenderPass, SecondaryCommandBufferPool mySecondaryCommandPool, ShaderManager myShaderManager) : base(mySecondaryCommandPool, "GeometryPass")
{
this.myShaderManager = myShaderManager;
myRenderpassBeginInfo = new RenderPassBeginInfo
{
ClearValueCount = 4,
ClearValues = new ClearValue[]
{
new ClearValue {
Color = new ClearColorValue(Color.AliceBlue)
}, //TODO: Always remember to match these!
new ClearValue {
Color = new ClearColorValue(Color.AliceBlue)
}, //TODO: Always remember to match these!
new ClearValue {
Color = new ClearColorValue(Color.AliceBlue)
}, //TODO: Always remember to match these!
new ClearValue {
DepthStencil = new ClearDepthStencilValue()
{
Depth = 1.0f, Stencil = 0
}
}
},
RenderPass = OffscreenRenderPass,
RenderArea = new Rect2D {
Extent = new Extent2D {
Width = VulkanRenderer.Surface.SurfaceCapabilities.CurrentExtent.Width, Height = VulkanRenderer.Surface.SurfaceCapabilities.CurrentExtent.Height
}, Offset = new Offset2D {
X = 0, Y = 0
}
},
};
myBackbuffer = myBuffer;
myRenderpassBeginInfo.Framebuffer = myBackbuffer;
String[] ShaderNames = { "GBufferPassVertex", "GBufferPassFragment" };
Tuple <PipelineLayout, Pipeline> myPipelineDefault = myShaderManager.CreatePipeline(OffscreenRenderPass, ShaderNames, out ExpectedModelSet);
myActivePipelines.Add("Default", myPipelineDefault);
this.OffscreenRenderPass = OffscreenRenderPass;
}
void RenderTexturedQuad(CommandBuffer cmdBuffer, VertexData vertexData, ImageData imageData, PipelineLayout pipelineLayout, DescriptorSet descriptorSet, RenderPass renderPass, Pipeline pipeline, Framebuffer framebuffer, uint width, uint height)
{
var viewport = new Viewport(0, 0, width, height, 0, 1);
cmdBuffer.SetViewport(0, new[] { viewport });
var renderArea = new Rect2D(new Offset2D(0, 0), new Extent2D(width, height));
var renderPassBegin = new RenderPassBeginInfo(renderPass, framebuffer, renderArea, null);
cmdBuffer.BeginRenderPass(renderPassBegin, SubpassContents.Inline);
renderPassBegin.Dispose();
cmdBuffer.BindDescriptorSets(PipelineBindPoint.Graphics, pipelineLayout, 0, new[] { descriptorSet }, null);
cmdBuffer.BindPipeline(PipelineBindPoint.Graphics, pipeline);
cmdBuffer.BindVertexBuffers(0, new[] { vertexData.Buffer }, new DeviceSize[] { 0 });
cmdBuffer.BindIndexBuffer(vertexData.IndexBuffer, 0, IndexType.Uint32);
cmdBuffer.DrawIndexed((uint)vertexData.Indicies.Length, 1, 0, 0, 1);
cmdBuffer.EndRenderPass();
}
CommandBuffer [] CreateCommandBuffers(Image [] images, Framebuffer [] framebuffers, Pipeline pipeline, Buffer vertexBuffer, Buffer indexBuffer, uint indexLength)
{
var createPoolInfo = new CommandPoolCreateInfo {
Flags = CommandPoolCreateFlags.ResetCommandBuffer
};
var commandPool = device.CreateCommandPool(createPoolInfo);
var commandBufferAllocateInfo = new CommandBufferAllocateInfo {
Level = CommandBufferLevel.Primary,
CommandPool = commandPool,
CommandBufferCount = (uint)images.Length
};
var buffers = device.AllocateCommandBuffers(commandBufferAllocateInfo);
var commandBufferBeginInfo = new CommandBufferBeginInfo();
for (int i = 0; i < images.Length; i++)
{
buffers [i].Begin(commandBufferBeginInfo);
var renderPassBeginInfo = new RenderPassBeginInfo {
Framebuffer = framebuffers [i],
RenderPass = renderPass,
ClearValues = new ClearValue [] { new ClearValue {
Color = new ClearColorValue(new float [] { 0.9f, 0.87f, 0.75f, 1.0f })
} },
RenderArea = new Rect2D {
Extent = surfaceCapabilities.CurrentExtent
}
};
buffers [i].CmdBeginRenderPass(renderPassBeginInfo, SubpassContents.Inline);
buffers [i].CmdBindDescriptorSets(PipelineBindPoint.Graphics, pipelineLayout, 0, descriptorSets, null);
buffers [i].CmdBindPipeline(PipelineBindPoint.Graphics, pipeline);
buffers [i].CmdBindVertexBuffers(0, new Buffer [] { vertexBuffer }, new DeviceSize [] { 0 });
buffers [i].CmdBindIndexBuffer(indexBuffer, 0, IndexType.Uint16);
buffers [i].CmdDrawIndexed(indexLength, 1, 0, 0, 0);
buffers [i].CmdEndRenderPass();
buffers [i].End();
}
return(buffers);
}
void RenderTriangle(CommandBuffer cmdBuffer, VertexData vertexData, RenderPass renderPass, Framebuffer framebuffer, Pipeline pipeline, uint width, uint height)
{
// Set the viewport
var viewport = new Viewport(0, 0, width, height, 0, 0);
cmdBuffer.SetViewport(0, new[] { viewport });
var renderArea = new Rect2D(new Offset2D(0, 0), new Extent2D(width, height));
var renderPassBegin = new RenderPassBeginInfo(renderPass, framebuffer, renderArea, null);
cmdBuffer.BeginRenderPass(renderPassBegin, SubpassContents.Inline);
renderPassBegin.Dispose();
cmdBuffer.BindPipeline(PipelineBindPoint.Graphics, pipeline);
// Render the triangle
cmdBuffer.BindVertexBuffers(0, new[] { vertexData.Buffer }, new DeviceSize[] { 0 });
cmdBuffer.Draw(3, 1, 0, 0);
// End the RenderPass
cmdBuffer.EndRenderPass();
}
public static void RecordCommandBuffer(CommandBuffer cmdBuffer, int imgIndex)
{
Context c = forge.Context(0);
RenderPassBeginInfo bInfo = new RenderPassBeginInfo(
c.framebuffers[imgIndex],
c.pass,
new Rect2D(0, 0, c.width, c.height),
new ClearColorValue(new ColorF4(.8f, .2f, .4f, 1)),
new ClearDepthStencilValue(1, 0));
cmdBuffer.Begin(new CommandBufferBeginInfo(CommandBufferUsages.SimultaneousUse));
cmdBuffer.CmdBeginRenderPass(bInfo);
cmdBuffer.CmdBindPipeline(PipelineBindPoint.Graphics, c.pipeline);
cmdBuffer.CmdBindDescriptorSets(PipelineBindPoint.Graphics, c.pipelineLayout, 0, c.descriptorSets);
//cmdBuffer.CmdBindVertexBuffer(c.vbo.buffer);
//cmdBuffer.CmdBindIndexBuffer(c.index.buffer);
cmdBuffer.CmdSetViewport(new Viewport(0, 0, c.width, c.height));
cmdBuffer.CmdClearColorImage(c.swapchainImages[imgIndex], ImageLayout.TransferDstOptimal, new ClearColorValue(new ColorF4(.8f, .58f, .93f, 1f)));
//cmdBuffer.CmdDrawIndexed(c.index.count);
cmdBuffer.CmdEndRenderPass();
cmdBuffer.End();
}
internal static unsafe extern void vkCmdBeginRenderPass(CommandBuffer commandBuffer, RenderPassBeginInfo* renderPassBegin, SubpassContents contents);
public abstract void CmdBeginRenderPass2([Count(Count = 0)] CommandBuffer commandBuffer, [Count(Count = 0), Flow(FlowDirection.In)] ref RenderPassBeginInfo pRenderPassBegin, [Count(Count = 0), Flow(FlowDirection.In)] ref SubpassBeginInfo pSubpassBeginInfo);
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);
}
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);
}
void RecordCommandBuffers()
{
var graphics_commandd_buffer_begin_info = new CommandBufferBeginInfo
{
sType = StructureType.CommandBufferBeginInfo, // VkStructureType sType
pNext = IntPtr.Zero, // const void *pNext
flags = CommandBufferUsageFlagBits.SimultaneousUseBit, // VkCommandBufferUsageFlagBits flags
pInheritanceInfo = (CommandBufferInheritanceInfo *)0 // const VkCommandBufferInheritanceInfo *pInheritanceInfo
};
var image_subresource_range = new ImageSubresourceRange
{
aspectMask = ImageAspectFlagBits.ColorBit, // VkImageAspectFlagBits aspectMask
baseMipLevel = 0, // uint32_t baseMipLevel
layerCount = 1, // uint32_t levelCount
baseArrayLayer = 0, // uint32_t baseArrayLayer
levelCount = 1 // uint32_t layerCount
};
var clear_value = new ClearValue
{
color = new ClearColorValue(1.0f, 0.8f, 0.4f, 0.0f), // VkClearColorValue color
};
ImageParameters[] swap_chain_images = GetSwapChain.Images;
for (int i = 0; i < Vulkan.GraphicsCommandBuffers.Length; ++i)
{
vk.BeginCommandBuffer(Vulkan.GraphicsCommandBuffers[i], ref graphics_commandd_buffer_begin_info).CheckError();
if (GetPresentQueue.Handle != GetGraphicsQueue.Handle)
{
var barrier_from_present_to_draw = new ImageMemoryBarrier
{
sType = StructureType.ImageMemoryBarrier, // VkStructureType sType
pNext = IntPtr.Zero, // const void *pNext
sourceAccessMask = AccessFlagBits.MemoryReadBit, // VkAccessFlagBits srcAccessMask
destinationAccessMask = AccessFlagBits.ColorAttachmentWriteBit, // VkAccessFlagBits dstAccessMask
oldLayout = ImageLayout.Undefined, // VkImageLayout oldLayout
newLayout = ImageLayout.PresentSourceKhr, // VkImageLayout newLayout
sourceQueueFamilyIndex = GetPresentQueue.FamilyIndex, // uint32_t srcQueueFamilyIndex
destinationQueueFamilyIndex = GetGraphicsQueue.FamilyIndex, // uint32_t dstQueueFamilyIndex
image = swap_chain_images[i].Handle, // VkImage image
subresourceRange = image_subresource_range // VkImageSubresourceRange subresourceRange
};
vk.CmdPipelineBarrier(
Vulkan.GraphicsCommandBuffers[i],
PipelineStageFlagBits.ColorAttachmentOutputBit,
PipelineStageFlagBits.ColorAttachmentOutputBit,
(DependencyFlagBits)0,
0, (MemoryBarrier *)0,
0, (BufferMemoryBarrier *)0,
1, &barrier_from_present_to_draw);
}
var render_pass_begin_info = new RenderPassBeginInfo
{
sType = StructureType.RenderPassBeginInfo, // VkStructureType sType
pNext = IntPtr.Zero, // const void *pNext
renderPass = Vulkan.RenderPass, // VkRenderPass renderPass
framebuffer = Vulkan.Framebuffers[i], // VkFramebuffer framebuffer
renderArea = new Rect2D
{ // VkRect2D renderArea
offset = new Offset2D
{ // VkOffset2D offset
x = 0, // int32_t x
y = 0 // int32_t y
},
extent = new Extent2D
{ // VkExtent2D extent
width = 300, // int32_t width
height = 300, // int32_t height
}
},
clearValueCount = 1, // uint32_t clearValueCount
pClearValues = &clear_value // const VkClearValue *pClearValues
};
vk.CmdBeginRenderPass(Vulkan.GraphicsCommandBuffers[i], ref render_pass_begin_info, SubpassContents.Inline);
vk.CmdBindPipeline(Vulkan.GraphicsCommandBuffers[i], PipelineBindPoint.Graphics, Vulkan.GraphicsPipeline);
vk.CmdDraw(Vulkan.GraphicsCommandBuffers[i], 3, 1, 0, 0);
vk.CmdEndRenderPass(Vulkan.GraphicsCommandBuffers[i]);
if (GetGraphicsQueue.Handle != GetPresentQueue.Handle)
{
var barrier_from_draw_to_present = new ImageMemoryBarrier
{
sType = StructureType.ImageMemoryBarrier, // VkStructureType sType
pNext = IntPtr.Zero, // const void *pNext
sourceAccessMask = AccessFlagBits.ColorAttachmentWriteBit, // VkAccessFlagBits srcAccessMask
destinationAccessMask = AccessFlagBits.MemoryReadBit, // VkAccessFlagBits dstAccessMask
oldLayout = ImageLayout.PresentSourceKhr, // VkImageLayout oldLayout
newLayout = ImageLayout.PresentSourceKhr, // VkImageLayout newLayout
sourceQueueFamilyIndex = GetGraphicsQueue.FamilyIndex, // uint32_t srcQueueFamilyIndex
destinationQueueFamilyIndex = GetPresentQueue.FamilyIndex, // uint32_t dstQueueFamilyIndex
image = swap_chain_images[i].Handle, // VkImage image
subresourceRange = image_subresource_range // VkImageSubresourceRange subresourceRange
};
vk.CmdPipelineBarrier(
Vulkan.GraphicsCommandBuffers[i],
PipelineStageFlagBits.ColorAttachmentOutputBit,
PipelineStageFlagBits.BottomOfPipeBit,
(DependencyFlagBits)0,
0, (MemoryBarrier *)0,
0, (BufferMemoryBarrier *)0,
1, &barrier_from_draw_to_present);
}
vk.EndCommandBuffer(Vulkan.GraphicsCommandBuffers[i]).CheckError();
}
}
public void CmdBeginRenderPass(RenderPassBeginInfo pRenderPassBegin, SubpassContents contents)
{
unsafe {
Interop.NativeMethods.vkCmdBeginRenderPass(this.m, pRenderPassBegin != null ? pRenderPassBegin.m : (Interop.RenderPassBeginInfo *) default(IntPtr), contents);
}
}
