public Triangle()
{
InitializeComponent();
InitializeVulkan();
_Bitmap = new Bitmap(640, 480);
_Framebuffer = new Framebuffer(_Device, 640, 480);
VkPipelineLayout dummyLayout = _Device.CreatePipelineLayout(VkPipelineLayoutCreateFlag.NONE, null, null);
_VertexShader = _Device.CreateShaderModule(VkShaderModuleCreateFlag.NONE, System.IO.File.ReadAllBytes("./Shaders/vertexShader.spv"));
_FramgemtShader = _Device.CreateShaderModule(VkShaderModuleCreateFlag.NONE, System.IO.File.ReadAllBytes("./Shaders/fragmentShader.spv"));
_GraphicsPipeline = new Pipeline(_Framebuffer, dummyLayout, _VertexShader, "main", _FramgemtShader, "main");
// Finally we will need a fence for our submission in order to wait on it
_Fence = _Device.CreateFence(VkFenceCreateFlag.NONE);
// VkBuffer indexBuffer = _Device.CreateBuffer(0, 3 * sizeof(Int32), VkBufferUsageFlag.VK_BUFFER_USAGE_INDEX_BUFFER, VkSharingMode.VK_SHARING_MODE_CONCURRENT, new VkQueueFamilyProperties[] { _Queue.Family });
// VkBuffer vertexBuffer = _Device.CreateBuffer(0, 3 * sizeof(float), VkBufferUsageFlag.VK_BUFFER_USAGE_VERTEX_BUFFER, VkSharingMode.VK_SHARING_MODE_CONCURRENT, new VkQueueFamilyProperties[] { _Queue.Family });
// Now we need to create a command buffer and we will fill it with a single command:
// Fill the image with the color (0.1f, 0.75f, 1.0f, 1.0f) which is a Sky blue.
VkClearValue.VkClearColorValue.Float color = new VkClearValue.VkClearColorValue.Float();
color.float32[0] = 0.1f; color.float32[1] = 0.75f; color.float32[2] = 1.0f; color.float32[3] = 1.0f;
VkCommandPool Pool = _Device.CreateCommandPool(VkCommandPoolCreateFlag.NONE, _Queue.Family);
_CommandBuffer = Pool.AllocateCommandBuffer(VkCommandBufferLevel.VK_COMMAND_BUFFER_LEVEL_PRIMARY);
_CommandBuffer.Begin(VkCommandBufferUsageFlag.NONE);
_CommandBuffer.CmdBeginRenderPass(_Framebuffer.RenderPass,
new VkRect2D(0, 0, (uint)640, (uint)480),
_Framebuffer.GetFramebuffer(),
new VkClearValue[] { color },
VkSubpassContents.VK_SUBPASS_CONTENTS_INLINE);
_GraphicsPipeline.BindPipeline(_CommandBuffer);
_CommandBuffer.CmdDraw(3, 1, 0, 0);
_CommandBuffer.CmdEndRenderPass();
_CommandBuffer.cmdCopyImageToBuffer(_Framebuffer.FrameBufferColor,
VkImageLayout.VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
_Framebuffer._TransferBuffer,
new VkBufferImageCopy[]
{
new VkBufferImageCopy()
{
bufferImageHeight = (uint)_Framebuffer.Height,
bufferOffset = 0,
bufferRowLength = (uint)_Framebuffer.Width,
imageExtent = new VkExtent3D()
{
depth = 1, width = (uint)_Framebuffer.Width, height = (uint)_Framebuffer.Height
},
imageSubresource = new VkImageSubresourceLayers()
{
aspectMask = VkImageAspectFlag.VK_IMAGE_ASPECT_COLOR_BIT, baseArrayLayer = 0, layerCount = 1, mipLevel = 0
}
}
});
_CommandBuffer.End();
}
public Pipeline(Framebuffer Framebuffer, VkPipelineLayout PipelineLayout, VkShaderModule VertexShader, string VertexShaderEntryPoint, VkShaderModule FragmentShader, string FragmentShaderEntryPoint)
{
VkPipelineVertexInputStateCreateInfo vertexInputInfo = new VkPipelineVertexInputStateCreateInfo();
vertexInputInfo.flags = VkPipelineVertexInputStateCreateFlag.NONE;
vertexInputInfo.vertexAttributeDescriptions = null;
vertexInputInfo.vertexBindingDescriptions = null;
VkPipelineInputAssemblyStateCreateInfo inputAssemblyInfo = new VkPipelineInputAssemblyStateCreateInfo();
inputAssemblyInfo.flags = VkPipelineInputAssemblyStateCreateFlag.NONE;
inputAssemblyInfo.primitiveRestartEnable = false;
inputAssemblyInfo.topology = VkPrimitiveTopology.VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
VkPipelineViewportStateCreateInfo viewportInfo = new VkPipelineViewportStateCreateInfo();
viewportInfo.flags = VkPipelineViewportStateCreateFlag.NONE;
viewportInfo.scissors = new VkRect2D[] { new VkRect2D(0, 0, (uint)Framebuffer.Width, (uint)Framebuffer.Height) };
viewportInfo.viewports = new VkViewport[] { new VkViewport(0.0f, 0.0f, (float)(Framebuffer.Width), (float)(Framebuffer.Height), 0.0f, 1.0f) };
VkPipelineRasterizationStateCreateInfo rasterizationInfo = new VkPipelineRasterizationStateCreateInfo();
rasterizationInfo.flags = VkPipelineRasterizationStateCreateFlag.NONE;
rasterizationInfo.depthClampEnable = false;
rasterizationInfo.rasterizerDiscardEnable = false;
rasterizationInfo.polygonMode = VkPolygonMode.VK_POLYGON_MODE_FILL;
rasterizationInfo.lineWidth = 1.0f;
rasterizationInfo.cullMode = VkCullModeFlag.VK_CULL_MODE_BACK;
rasterizationInfo.frontFace = VkFrontFace.VK_FRONT_FACE_CLOCKWISE;
rasterizationInfo.depthBiasEnable = false;
VkPipelineMultisampleStateCreateInfo multisamplingInfo = new VkPipelineMultisampleStateCreateInfo();
multisamplingInfo.flags = VkPipelineMultisampleStateCreateFlag.NONE;
multisamplingInfo.sampleShadingEnable = false;
multisamplingInfo.rasterizationSamples = VkSampleCountFlag.VK_SAMPLE_COUNT_1;
VkPipelineColorBlendStateCreateInfo colorBlendingInfo = new VkPipelineColorBlendStateCreateInfo();
colorBlendingInfo.flags = VkPipelineColorBlendStateCreateFlag.NONE;
colorBlendingInfo.logicOpEnable = false;
colorBlendingInfo.logicOp = VkLogicOp.VK_LOGIC_OP_COPY;
colorBlendingInfo.attachments = new VkPipelineColorBlendAttachmentState[] { new VkPipelineColorBlendAttachmentState()
{
colorWriteMask = VkColorComponentFlag.VK_COLOR_COMPONENT_R | VkColorComponentFlag.VK_COLOR_COMPONENT_G | VkColorComponentFlag.VK_COLOR_COMPONENT_B | VkColorComponentFlag.VK_COLOR_COMPONENT_A, blendEnable = 0
} };
_Pipeline = Framebuffer.Device.CreateGraphicsPipeline(null, VkPipelineCreateFlags.NONE,
new VkPipelineShaderStageCreateInfo[] { new VkPipelineShaderStageCreateInfo(VertexShader, VertexShaderEntryPoint, VkShaderStageFlag.VK_SHADER_STAGE_VERTEX), new VkPipelineShaderStageCreateInfo(FragmentShader, FragmentShaderEntryPoint, VkShaderStageFlag.VK_SHADER_STAGE_FRAGMENT) },
vertexInputInfo,
inputAssemblyInfo,
null,
viewportInfo,
rasterizationInfo,
multisamplingInfo,
null,
colorBlendingInfo,
null,
PipelineLayout,
Framebuffer.RenderPass,
0,
null,
-1
);
}
