private void RecreateSwapChain()
{
this.device.WaitIdle();
foreach (var frameBuffer in this.frameBuffers)
{
frameBuffer.Dispose();
}
this.frameBuffers = null;
this.pipeline.Dispose();
this.pipeline = null;
this.pipelineLayout.Dispose();
this.pipelineLayout = null;
foreach (var imageView in this.swapChainImageViews)
{
imageView.Dispose();
}
this.swapChainImageViews = null;
this.renderPass.Dispose();
this.renderPass = null;
this.swapChain.Dispose();
this.swapChain = null;
this.CreateSwapChain();
this.CreateImageViews();
this.CreateRenderPass();
this.CreateGraphicsPipeline();
this.CreateFrameBuffers();
this.CreateCommandBuffers();
}
private void CreateGraphicsPipeline()
{
var vertShader = ShanqShader.CreateVertexModule(this.device,
shanq => from input in shanq.GetInput <Vertex>()
from ubo in shanq.GetBinding <UniformBufferObject>()
let transform = ubo.Proj * ubo.View * ubo.Model
select new VertexOutput
{
Position = transform * new vec4(input.Position, 0, 1),
Colour = input.Colour
});
var fragShader = ShanqShader.CreateFragmentModule(this.device,
shanq => from input in shanq.GetInput <FragmentInput>()
from ubo in shanq.GetBinding <UniformBufferObject>()
let colour = new vec4(input.Colour, 1)
select new FragmentOutput
{
Colour = colour
});
var bindingDescription = Vertex.GetBindingDescription();
var attributeDescriptions = Vertex.GetAttributeDescriptions();
this.pipelineLayout = device.CreatePipelineLayout(new PipelineLayoutCreateInfo()
{
SetLayouts = new[]
{
this.descriptorSetLayout
}
});
this.pipeline = device.CreateGraphicsPipelines(null, new[]
{
new GraphicsPipelineCreateInfo
{
Layout = this.pipelineLayout,
RenderPass = this.renderPass,
Subpass = 0,
VertexInputState = new PipelineVertexInputStateCreateInfo()
{
VertexBindingDescriptions = new [] { bindingDescription },
VertexAttributeDescriptions = attributeDescriptions
},
InputAssemblyState = new PipelineInputAssemblyStateCreateInfo
{
PrimitiveRestartEnable = false,
Topology = PrimitiveTopology.TriangleList
},
ViewportState = new PipelineViewportStateCreateInfo
{
Viewports = new[]
{
new Viewport
{
X = 0f,
Y = 0f,
Width = this.swapChainExtent.Width,
Height = this.swapChainExtent.Height,
MaxDepth = 1,
MinDepth = 0
}
},
Scissors = new[]
{
new Rect2D
{
Offset = new Offset2D(),
Extent = this.swapChainExtent
}
}
},
RasterizationState = new PipelineRasterizationStateCreateInfo
{
DepthClampEnable = false,
RasterizerDiscardEnable = false,
PolygonMode = PolygonMode.Fill,
LineWidth = 1,
CullMode = CullModeFlags.Back,
FrontFace = FrontFace.CounterClockwise,
DepthBiasEnable = false
},
MultisampleState = new PipelineMultisampleStateCreateInfo
{
SampleShadingEnable = false,
RasterizationSamples = SampleCountFlags.SampleCount1,
MinSampleShading = 1
},
ColorBlendState = new PipelineColorBlendStateCreateInfo
{
Attachments = new[]
{
new PipelineColorBlendAttachmentState
{
ColorWriteMask = ColorComponentFlags.R
| ColorComponentFlags.G
| ColorComponentFlags.B
| ColorComponentFlags.A,
BlendEnable = false,
SourceColorBlendFactor = BlendFactor.One,
DestinationColorBlendFactor = BlendFactor.Zero,
ColorBlendOp = BlendOp.Add,
SourceAlphaBlendFactor = BlendFactor.One,
DestinationAlphaBlendFactor = BlendFactor.Zero,
AlphaBlendOp = BlendOp.Add
}
},
LogicOpEnable = false,
LogicOp = LogicOp.Copy,
BlendConstants = new float[] { 0, 0, 0, 0 }
},
Stages = new[]
{
new PipelineShaderStageCreateInfo
{
Stage = ShaderStageFlags.Vertex,
Module = vertShader,
Name = "main"
},
new PipelineShaderStageCreateInfo
{
Stage = ShaderStageFlags.Fragment,
Module = fragShader,
Name = "main"
}
}
}
}).Single();
}
private void TearDown()
{
device.WaitIdle();
this.renderFinishedSemaphore.Dispose();
this.renderFinishedSemaphore = null;
this.imageAvailableSemaphore.Dispose();
this.imageAvailableSemaphore = null;
this.descriptorPool.Dispose();
this.descriptorPool = null;
this.descriptorSet = null;
this.device.FreeMemory(this.uniformBufferMemory);
this.uniformBufferMemory = null;
this.uniformBuffer.Dispose();
this.uniformBuffer = null;
this.device.FreeMemory(this.uniformStagingBufferMemory);
this.uniformStagingBufferMemory = null;
this.uniformStagingBuffer.Dispose();
this.uniformStagingBuffer = null;
this.device.FreeMemory(this.indexBufferMemory);
this.indexBufferMemory = null;
this.indexBuffer.Dispose();
this.indexBuffer = null;
this.device.FreeMemory(this.vertexBufferMemory);
this.vertexBufferMemory = null;
this.vertexBuffer.Dispose();
this.vertexBuffer = null;
this.commandPool.Dispose();
this.commandPool = null;
this.commandBuffers = null;
this.transientCommandPool.Dispose();
this.transientCommandPool = null;
foreach (var frameBuffer in this.frameBuffers)
{
frameBuffer.Dispose();
}
this.frameBuffers = null;
this.pipeline.Dispose();
this.pipeline = null;
this.pipelineLayout.Dispose();
this.pipelineLayout = null;
foreach (var imageView in this.swapChainImageViews)
{
imageView.Dispose();
}
this.swapChainImageViews = null;
this.descriptorSetLayout.Dispose();
this.descriptorSetLayout = null;
this.renderPass.Dispose();
this.renderPass = null;
this.swapChain.Dispose();
this.swapChain = null;
this.device.Dispose();
this.device = null;
this.surface.Dispose();
this.surface = null;
this.debugCallback.Dispose();
this.debugCallback = null;
this.instance.Dispose();
this.instance = null;
}