public DescriptorSet(DescriptorPool descriptorPool, params DescriptorSetLayout[] layouts) : this(descriptorPool) { foreach (DescriptorSetLayout layout in layouts) { descriptorSetLayouts.Add(layout.handle); } }
protected override void initVulkan() { base.initVulkan(); iFace = new Interface((int)Width, (int)Height, WindowHandle); iFace.Init(); CreateRenderPass(); fsqPl = new FSQPipeline(renderPass, new PipelineLayout(dev, new DescriptorSetLayout(dev, dslBinding))); cmdPoolCrow = new CommandPool(presentQueue, VkCommandPoolCreateFlags.ResetCommandBuffer); cmdUpdateCrow = cmdPoolCrow.AllocateCommandBuffer(); dsPool = new DescriptorPool(dev, 1, new VkDescriptorPoolSize(VkDescriptorType.CombinedImageSampler)); descSet = dsPool.Allocate(fsqPl.Layout.DescriptorSetLayouts[0]); Thread ui = new Thread(crowThread); ui.IsBackground = true; ui.Start(); }
public DescriptorSet(DescriptorPool descriptorPool) { pool = descriptorPool; }
public Image generateCubeMap(Queue staggingQ, CommandPool cmdPool, CBTarget target) { const float deltaPhi = (2.0f * (float)Math.PI) / 180.0f; const float deltaTheta = (0.5f * (float)Math.PI) / 64.0f; VkFormat format = VkFormat.R32g32b32a32Sfloat; uint dim = 64; if (target == CBTarget.PREFILTEREDENV) { format = VkFormat.R16g16b16a16Sfloat; dim = 512; } uint numMips = (uint)Math.Floor(Math.Log(dim, 2)) + 1; Image imgFbOffscreen = new Image(Dev, format, VkImageUsageFlags.TransferSrc | VkImageUsageFlags.ColorAttachment, VkMemoryPropertyFlags.DeviceLocal, dim, dim); imgFbOffscreen.SetName("offscreenfb"); imgFbOffscreen.CreateView(); Image cmap = new Image(Dev, format, VkImageUsageFlags.TransferDst | VkImageUsageFlags.Sampled, VkMemoryPropertyFlags.DeviceLocal, dim, dim, VkImageType.Image2D, VkSampleCountFlags.SampleCount1, VkImageTiling.Optimal, numMips, 6, 1, VkImageCreateFlags.CubeCompatible); if (target == CBTarget.PREFILTEREDENV) { cmap.SetName("prefilterenvmap"); } else { cmap.SetName("irradianceCube"); } cmap.CreateView(VkImageViewType.Cube, VkImageAspectFlags.Color, 6, 0); cmap.CreateSampler(VkSamplerAddressMode.ClampToEdge); DescriptorPool dsPool = new DescriptorPool(Dev, 2, new VkDescriptorPoolSize(VkDescriptorType.CombinedImageSampler)); DescriptorSetLayout dsLayout = new DescriptorSetLayout(Dev, new VkDescriptorSetLayoutBinding(0, VkShaderStageFlags.Fragment, VkDescriptorType.CombinedImageSampler)); GraphicPipelineConfig cfg = GraphicPipelineConfig.CreateDefault(VkPrimitiveTopology.TriangleList, VkSampleCountFlags.SampleCount1, false); cfg.Layout = new PipelineLayout(Dev, dsLayout); cfg.Layout.AddPushConstants( new VkPushConstantRange(VkShaderStageFlags.Vertex | VkShaderStageFlags.Fragment, (uint)Marshal.SizeOf <Matrix4x4> () + 8)); cfg.RenderPass = new RenderPass(Dev); cfg.RenderPass.AddAttachment(format, VkImageLayout.ColorAttachmentOptimal); cfg.RenderPass.ClearValues.Add(new VkClearValue { color = new VkClearColorValue(0, 0, 0) }); cfg.RenderPass.AddSubpass(new SubPass(VkImageLayout.ColorAttachmentOptimal)); cfg.AddVertexBinding(0, 3 * sizeof(float)); cfg.AddVertexAttributes(0, VkFormat.R32g32b32Sfloat); cfg.AddShader(VkShaderStageFlags.Vertex, "#deferred.filtercube.vert.spv"); if (target == CBTarget.PREFILTEREDENV) { cfg.AddShader(VkShaderStageFlags.Fragment, "#deferred.prefilterenvmap.frag.spv"); } else { cfg.AddShader(VkShaderStageFlags.Fragment, "#deferred.irradiancecube.frag.spv"); } Matrix4x4[] matrices = { // POSITIVE_X Matrix4x4.CreateRotationX(Utils.DegreesToRadians(180)) * Matrix4x4.CreateRotationY(Utils.DegreesToRadians(90)), // NEGATIVE_X Matrix4x4.CreateRotationX(Utils.DegreesToRadians(180)) * Matrix4x4.CreateRotationY(Utils.DegreesToRadians(-90)), // POSITIVE_Y Matrix4x4.CreateRotationX(Utils.DegreesToRadians(-90)), // NEGATIVE_Y Matrix4x4.CreateRotationX(Utils.DegreesToRadians(90)), // POSITIVE_Z Matrix4x4.CreateRotationX(Utils.DegreesToRadians(180)), // NEGATIVE_Z Matrix4x4.CreateRotationZ(Utils.DegreesToRadians(180)) }; VkImageSubresourceRange subRes = new VkImageSubresourceRange(VkImageAspectFlags.Color, 0, numMips, 0, 6); using (GraphicPipeline pl = new GraphicPipeline(cfg)) { DescriptorSet dset = dsPool.Allocate(dsLayout); DescriptorSetWrites dsUpdate = new DescriptorSetWrites(dsLayout); dsUpdate.Write(Dev, dset, cubemap.Descriptor); Dev.WaitIdle(); using (FrameBuffer fb = new FrameBuffer(pl.RenderPass, dim, dim, imgFbOffscreen)) { CommandBuffer cmd = cmdPool.AllocateCommandBuffer(); cmd.Start(VkCommandBufferUsageFlags.OneTimeSubmit); cmap.SetLayout(cmd, VkImageLayout.Undefined, VkImageLayout.TransferDstOptimal, subRes); float roughness = 0; cmd.SetScissor(dim, dim); cmd.SetViewport((float)(dim), (float)dim); for (int m = 0; m < numMips; m++) { roughness = (float)m / ((float)numMips - 1f); for (int f = 0; f < 6; f++) { pl.RenderPass.Begin(cmd, fb); pl.Bind(cmd); float viewPortSize = (float)Math.Pow(0.5, m) * dim; cmd.SetViewport(viewPortSize, viewPortSize); cmd.PushConstant(pl.Layout, VkShaderStageFlags.Vertex | VkShaderStageFlags.Fragment, matrices[f] * Matrix4x4.CreatePerspectiveFieldOfView(Utils.DegreesToRadians(90), 1f, 0.1f, 512f)); if (target == CBTarget.IRRADIANCE) { cmd.PushConstant(pl.Layout, VkShaderStageFlags.Vertex | VkShaderStageFlags.Fragment, deltaPhi, (uint)Marshal.SizeOf <Matrix4x4> ()); cmd.PushConstant(pl.Layout, VkShaderStageFlags.Vertex | VkShaderStageFlags.Fragment, deltaTheta, (uint)Marshal.SizeOf <Matrix4x4> () + 4); } else { cmd.PushConstant(pl.Layout, VkShaderStageFlags.Vertex | VkShaderStageFlags.Fragment, roughness, (uint)Marshal.SizeOf <Matrix4x4> ()); cmd.PushConstant(pl.Layout, VkShaderStageFlags.Vertex | VkShaderStageFlags.Fragment, 64u, (uint)Marshal.SizeOf <Matrix4x4> () + 4); } cmd.BindDescriptorSet(pl.Layout, dset); cmd.BindVertexBuffer(vboSkybox); cmd.Draw(36); pl.RenderPass.End(cmd); imgFbOffscreen.SetLayout(cmd, VkImageAspectFlags.Color, VkImageLayout.ColorAttachmentOptimal, VkImageLayout.TransferSrcOptimal); VkImageCopy region = new VkImageCopy(); region.srcSubresource = new VkImageSubresourceLayers(VkImageAspectFlags.Color, 1); region.dstSubresource = new VkImageSubresourceLayers(VkImageAspectFlags.Color, 1, (uint)m, (uint)f); region.extent = new VkExtent3D { width = (uint)viewPortSize, height = (uint)viewPortSize, depth = 1 }; Vk.vkCmdCopyImage(cmd.Handle, imgFbOffscreen.Handle, VkImageLayout.TransferSrcOptimal, cmap.Handle, VkImageLayout.TransferDstOptimal, 1, region.Pin()); region.Unpin(); imgFbOffscreen.SetLayout(cmd, VkImageAspectFlags.Color, VkImageLayout.TransferSrcOptimal, VkImageLayout.ColorAttachmentOptimal); } } cmap.SetLayout(cmd, VkImageLayout.TransferDstOptimal, VkImageLayout.ShaderReadOnlyOptimal, subRes); cmd.End(); staggingQ.Submit(cmd); staggingQ.WaitIdle(); cmd.Free(); } } cmap.Descriptor.imageLayout = VkImageLayout.ShaderReadOnlyOptimal; dsLayout.Dispose(); imgFbOffscreen.Dispose(); dsPool.Dispose(); return(cmap); }