void CreateCommandBuffers()
{
if (commandBuffers != null)
{
var Native = new NativeArray <VkCommandBuffer>(commandBuffers);
VK.FreeCommandBuffers(device, commandPool, (uint)commandBuffers.Count, Native.Address);
Native.Dispose();
}
commandBuffers = new List <VkCommandBuffer>(swapchainFramebuffers.Count);
var info = new VkCommandBufferAllocateInfo();
info.sType = CSGL.Vulkan.VkStructureType.CommandBufferAllocateInfo;
info.commandPool = commandPool;
info.level = CSGL.Vulkan.VkCommandBufferLevel.Primary;
info.commandBufferCount = (uint)commandBuffers.Capacity;
var commandBuffersNative = new NativeArray <VkCommandBuffer>(commandBuffers.Capacity);
var result = VK.AllocateCommandBuffers(device, ref info, commandBuffersNative.Address);
for (int i = 0; i < commandBuffers.Capacity; i++)
{
commandBuffers.Add(commandBuffersNative[i]);
}
commandBuffersNative.Dispose();
for (int i = 0; i < commandBuffers.Count; i++)
{
var beginInfo = new VkCommandBufferBeginInfo();
beginInfo.sType = CSGL.Vulkan.VkStructureType.CommandBufferBeginInfo;
beginInfo.flags = CSGL.Vulkan.VkCommandBufferUsageFlags.SimultaneousUseBit;
VK.BeginCommandBuffer(commandBuffers[i], ref beginInfo);
var renderPassInfo = new VkRenderPassBeginInfo();
renderPassInfo.sType = CSGL.Vulkan.VkStructureType.RenderPassBeginInfo;
renderPassInfo.renderPass = renderPass;
renderPassInfo.framebuffer = swapchainFramebuffers[i];
renderPassInfo.renderArea.extent = swapchainExtent;
VkClearValue clearColor = new VkClearValue();
clearColor.color.float32_0 = 0;
clearColor.color.float32_1 = 0;
clearColor.color.float32_2 = 0;
clearColor.color.float32_3 = 1f;
var clearColorNative = new Native <VkClearValue>(clearColor);
renderPassInfo.clearValueCount = 1;
renderPassInfo.pClearValues = clearColorNative.Address;
VK.CmdBeginRenderPass(commandBuffers[i], ref renderPassInfo, CSGL.Vulkan.VkSubpassContents.Inline);
VK.CmdBindPipeline(commandBuffers[i], CSGL.Vulkan.VkPipelineBindPoint.Graphics, pipeline);
VK.CmdDraw(commandBuffers[i], 3, 1, 0, 0);
VK.CmdEndRenderPass(commandBuffers[i]);
result = VK.EndCommandBuffer(commandBuffers[i]);
clearColorNative.Dispose();
}
}
