//in the main vulkan thread
void updateTextureSet()
{
nextTexture.CreateView(VkImageViewType.Cube, VkImageAspectFlags.Color, 6);
nextTexture.CreateSampler();
nextTexture.Descriptor.imageLayout = VkImageLayout.ShaderReadOnlyOptimal;
DescriptorSetWrites uboUpdate = new DescriptorSetWrites(descriptorSet, dsLayout.Bindings[1]);
uboUpdate.Write(dev, nextTexture.Descriptor);
texture?.Dispose();
texture = nextTexture;
nextTexture = null;
}
//in the main vulkan thread
void updateTextureSet()
{
nextTexture.CreateView();
nextTexture.CreateSampler();
nextTexture.Descriptor.imageLayout = VkImageLayout.ShaderReadOnlyOptimal;
dev.WaitIdle();
DescriptorSetWrites uboUpdate = new DescriptorSetWrites(descriptorSet, dsLayout.Bindings[1]);
uboUpdate.Write(dev, nextTexture.Descriptor);
texture?.Dispose();
texture = nextTexture;
nextTexture = null;
}
//in the thread of the keyboard
void loadTexture(string path)
{
try {
if (path.EndsWith("ktx", StringComparison.OrdinalIgnoreCase))
{
nextTexture = KTX.KTX.Load(presentQueue, cmdPool, path,
VkImageUsageFlags.Sampled, VkMemoryPropertyFlags.DeviceLocal, true);
}
else
{
nextTexture = Image.Load(dev, path);
}
updateViewRequested = true;
} catch (Exception ex) {
Console.WriteLine(ex);
nextTexture = null;
}
}
//in the thread of the keyboard
void loadTexture(string path)
{
try {
Console.WriteLine($"Loading:{path}");
if (path.EndsWith("ktx", StringComparison.OrdinalIgnoreCase))
{
nextTexture = KTX.KTX.Load(presentQueue, cmdPool, path,
VkImageUsageFlags.Sampled, imgProp, genMipMaps, tiling);
}
else
{
nextTexture = Image.Load(dev, presentQueue, cmdPool, path, VkFormat.R8g8b8a8Unorm, imgProp, tiling, genMipMaps);
}
updateViewRequested = true;
} catch (Exception ex) {
Console.WriteLine(ex);
nextTexture = null;
}
}
Vector4 outlineColor = new Vector4(1.0f, 0.0f, 0.0f, 0.6f); //alpha => 0:disabled 1:enabled
protected override void initVulkan()
{
base.initVulkan();
cmds = cmdPool.AllocateCommandBuffer(swapChain.ImageCount);
font = new BMFont(vke.samples.Utils.GetDataFile("font.fnt"));
vbo = new GPUBuffer <float> (dev, VkBufferUsageFlags.VertexBuffer | VkBufferUsageFlags.TransferDst, 1024);
ibo = new GPUBuffer <ushort> (dev, VkBufferUsageFlags.IndexBuffer | VkBufferUsageFlags.TransferDst, 2048);
descriptorPool = new DescriptorPool(dev, 1,
new VkDescriptorPoolSize(VkDescriptorType.UniformBuffer),
new VkDescriptorPoolSize(VkDescriptorType.CombinedImageSampler)
);
dsLayout = new DescriptorSetLayout(dev, 0,
new VkDescriptorSetLayoutBinding(0, VkShaderStageFlags.Vertex, VkDescriptorType.UniformBuffer),
new VkDescriptorSetLayoutBinding(1, VkShaderStageFlags.Fragment, VkDescriptorType.CombinedImageSampler));
using (GraphicPipelineConfig cfg = GraphicPipelineConfig.CreateDefault(VkPrimitiveTopology.TriangleList, VkSampleCountFlags.SampleCount4, false)) {
cfg.Layout = new PipelineLayout(dev, dsLayout);
cfg.Layout.AddPushConstants(new VkPushConstantRange(VkShaderStageFlags.Fragment, (uint)Marshal.SizeOf <Vector4> () * 2));
cfg.RenderPass = new RenderPass(dev, swapChain.ColorFormat, cfg.Samples);
cfg.blendAttachments[0] = new VkPipelineColorBlendAttachmentState(
true, VkBlendFactor.One, VkBlendFactor.OneMinusSrcAlpha, VkBlendOp.Add, VkBlendFactor.One, VkBlendFactor.Zero);
cfg.AddVertexBinding(0, 5 * sizeof(float));
cfg.AddVertexAttributes(0, VkFormat.R32g32b32Sfloat, VkFormat.R32g32Sfloat);
cfg.AddShader(dev, VkShaderStageFlags.Vertex, "#shaders.main.vert.spv");
cfg.AddShader(dev, VkShaderStageFlags.Fragment, "#shaders.main.frag.spv");
pipeline = new GraphicPipeline(cfg);
}
uboMats = new HostBuffer(dev, VkBufferUsageFlags.UniformBuffer, matrices);
uboMats.Map(); //permanent map
descriptorSet = descriptorPool.Allocate(dsLayout);
fontTexture = font.GetPageTexture(0, presentQueue, cmdPool);
fontTexture.CreateView();
fontTexture.CreateSampler();
fontTexture.Descriptor.imageLayout = VkImageLayout.ShaderReadOnlyOptimal;
DescriptorSetWrites dsUpdate = new DescriptorSetWrites(descriptorSet, dsLayout);
dsUpdate.Write(dev, uboMats.Descriptor, fontTexture.Descriptor);
generateText("Vulkan", out HostBuffer <Vertex> staggingVbo, out HostBuffer <ushort> staggingIbo);
PrimaryCommandBuffer cmd = cmdPool.AllocateAndStart(VkCommandBufferUsageFlags.OneTimeSubmit);
staggingVbo.CopyTo(cmd, vbo);
staggingIbo.CopyTo(cmd, ibo);
presentQueue.EndSubmitAndWait(cmd);
staggingVbo.Dispose();
staggingIbo.Dispose();
UpdateFrequency = 10;
}
protected override void initVulkan()
{
base.initVulkan();
imgResult = new Image(dev, VkFormat.R32g32b32a32Sfloat, VkImageUsageFlags.TransferDst | VkImageUsageFlags.Sampled, VkMemoryPropertyFlags.DeviceLocal,
imgDim, imgDim);
imgResult.CreateView();
imgResult.CreateSampler(VkFilter.Nearest, VkFilter.Nearest, VkSamplerMipmapMode.Nearest, VkSamplerAddressMode.ClampToBorder);
imgResult.Descriptor.imageLayout = VkImageLayout.ShaderReadOnlyOptimal;
datas = new float[data_size];
addSeed(imgDim / 2 - 1, imgDim / 2 - 1);
stagingDataBuff = new HostBuffer <float> (dev, VkBufferUsageFlags.TransferSrc, datas);
stagingDataBuff.Map();
inBuff = new GPUBuffer <float> (dev, VkBufferUsageFlags.StorageBuffer | VkBufferUsageFlags.TransferSrc | VkBufferUsageFlags.TransferDst, (int)data_size);
outBuff = new GPUBuffer <float> (dev, VkBufferUsageFlags.StorageBuffer | VkBufferUsageFlags.TransferSrc, (int)data_size);
dsPool = new DescriptorPool(dev, 3,
new VkDescriptorPoolSize(VkDescriptorType.CombinedImageSampler),
new VkDescriptorPoolSize(VkDescriptorType.StorageBuffer, 4));
dslImage = new DescriptorSetLayout(dev,
new VkDescriptorSetLayoutBinding(0, VkShaderStageFlags.Fragment, VkDescriptorType.CombinedImageSampler)
);
dslCompute = new DescriptorSetLayout(dev,
new VkDescriptorSetLayoutBinding(0, VkShaderStageFlags.Compute, VkDescriptorType.StorageBuffer),
new VkDescriptorSetLayoutBinding(1, VkShaderStageFlags.Compute, VkDescriptorType.StorageBuffer)
);
GraphicPipelineConfig cfg = GraphicPipelineConfig.CreateDefault(VkPrimitiveTopology.TriangleList, VkSampleCountFlags.SampleCount1);
cfg.Layout = new PipelineLayout(dev, dslImage);
cfg.RenderPass = new RenderPass(dev, swapChain.ColorFormat, dev.GetSuitableDepthFormat(), VkSampleCountFlags.SampleCount1);
cfg.RenderPass.ClearValues[0] = new VkClearValue {
color = new VkClearColorValue(0.0f, 0.1f, 0.0f)
};
cfg.ResetShadersAndVerticesInfos();
cfg.AddShader(dev, VkShaderStageFlags.Vertex, "#vke.FullScreenQuad.vert.spv");
cfg.AddShader(dev, VkShaderStageFlags.Fragment, "#shaders.simpletexture.frag.spv");
cfg.blendAttachments[0] = new VkPipelineColorBlendAttachmentState(true);
grPipeline = new GraphicPipeline(cfg);
cfg.DisposeShaders();
plCompute = new ComputePipeline(
new PipelineLayout(dev, new VkPushConstantRange(VkShaderStageFlags.Compute, 2 * sizeof(int)), dslCompute),
"#shaders.computeTest.comp.spv");
plNormalize = new ComputePipeline(
plCompute.Layout,
"#shaders.normalize.comp.spv");
dsImage = dsPool.Allocate(dslImage);
dsetPing = dsPool.Allocate(dslCompute);
dsetPong = dsPool.Allocate(dslCompute);
DescriptorSetWrites dsUpdate = new DescriptorSetWrites(dsetPing, dslCompute);
dsUpdate.Write(dev, inBuff.Descriptor, outBuff.Descriptor);
dsUpdate.Write(dev, dsetPong, outBuff.Descriptor, inBuff.Descriptor);
dsUpdate = new DescriptorSetWrites(dsImage, dslImage);
dsUpdate.Write(dev, imgResult.Descriptor);
UpdateFrequency = 5;
}