void RecordCommands()
{
for (int i = 0; i < swapchainImages.Count; i++)
{
VkCommandBuffer commandBuffer = commandBuffers[i];
commandBuffer.Reset(VkCommandBufferResetFlags.None);
VkCommandBufferBeginInfo beginInfo = new VkCommandBufferBeginInfo();
beginInfo.flags = VkCommandBufferUsageFlags.SimultaneousUseBit;
commandBuffer.Begin(beginInfo);
//transfer to writable
commandBuffer.PipelineBarrier(VkPipelineStageFlags.FragmentShaderBit, VkPipelineStageFlags.TransferBit, VkDependencyFlags.None,
null, null,
new List <VkImageMemoryBarrier> {
new VkImageMemoryBarrier {
image = textureImage,
oldLayout = VkImageLayout.ShaderReadOnlyOptimal,
newLayout = VkImageLayout.TransferDstOptimal,
srcQueueFamilyIndex = -1, //VK_QUEUE_FAMILY_IGNORED
dstQueueFamilyIndex = -1,
srcAccessMask = VkAccessFlags.None,
dstAccessMask = VkAccessFlags.TransferWriteBit,
subresourceRange = new VkImageSubresourceRange {
aspectMask = VkImageAspectFlags.ColorBit,
baseArrayLayer = 0,
layerCount = 1,
baseMipLevel = 0,
levelCount = 1
}
}
});
commandBuffer.CopyBufferToImage(stagingBuffer, textureImage, VkImageLayout.TransferDstOptimal,
new VkBufferImageCopy[] {
new VkBufferImageCopy {
imageExtent = new VkExtent3D {
width = imageWidth,
height = imageHeight,
depth = 1
},
imageSubresource = new VkImageSubresourceLayers {
aspectMask = VkImageAspectFlags.ColorBit,
baseArrayLayer = 0,
layerCount = 1,
mipLevel = 0
}
}
});
//transfer to shader readable
commandBuffer.PipelineBarrier(VkPipelineStageFlags.TransferBit, VkPipelineStageFlags.FragmentShaderBit, VkDependencyFlags.None,
null, null,
new List <VkImageMemoryBarrier> {
new VkImageMemoryBarrier {
image = textureImage,
oldLayout = VkImageLayout.TransferDstOptimal,
newLayout = VkImageLayout.ShaderReadOnlyOptimal,
srcQueueFamilyIndex = -1, //VK_QUEUE_FAMILY_IGNORED
dstQueueFamilyIndex = -1,
srcAccessMask = VkAccessFlags.TransferWriteBit,
dstAccessMask = VkAccessFlags.ShaderReadBit,
subresourceRange = new VkImageSubresourceRange {
aspectMask = VkImageAspectFlags.ColorBit,
baseArrayLayer = 0,
layerCount = 1,
baseMipLevel = 0,
levelCount = 1
}
}
});
VkRenderPassBeginInfo renderPassBeginInfo = new VkRenderPassBeginInfo();
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.framebuffer = swapchainFramebuffers[i];
renderPassBeginInfo.renderArea = new VkRect2D {
extent = new VkExtent2D {
width = window.FramebufferWidth,
height = window.FramebufferHeight
}
};
renderPassBeginInfo.clearValues = new List <VkClearValue> {
new VkClearValue {
color = new VkClearColorValue(0.125f, 0.125f, 0.125f, 0.125f)
}
};
commandBuffer.BeginRenderPass(renderPassBeginInfo, VkSubpassContents.Inline);
commandBuffer.BindPipeline(VkPipelineBindPoint.Graphics, pipeline);
commandBuffer.BindDescriptorSets(VkPipelineBindPoint.Graphics, pipelineLayout, 0, descriptorSet, null);
commandBuffer.BindVertexBuffers(0, vertexBuffer, 0);
commandBuffer.BindIndexBuffer(indexBuffer, 0, VkIndexType.UINT32);
commandBuffer.SetViewports(0, new VkViewport {
width = swapchainExtent.width,
height = swapchainExtent.height,
minDepth = 0,
maxDepth = 1,
});
commandBuffer.SetScissor(0, new VkRect2D {
extent = swapchainExtent
});
commandBuffer.DrawIndexed(6, 1, 0, 0, 0);
commandBuffer.EndRenderPass();
commandBuffer.End();
}
}
