public FCommandBuffer(VkDevice device, int pool)
{
VkCommandBufferAllocateInfo pAllocateInfo = VkCommandBufferAllocateInfo.New();
pAllocateInfo.commandPool = CommandPoolManager.GetPool(pool);
pAllocateInfo.level = VkCommandBufferLevel.Primary;
pAllocateInfo.commandBufferCount = 1;
VkCommandBuffer cmdBuffer = VkCommandBuffer.Null;
Assert(vkAllocateCommandBuffers(device, &pAllocateInfo, &cmdBuffer));
buffer = cmdBuffer;
}
private static VkImage LoadTexture(VkDevice device, VkPhysicalDevice physicalDevice, int cmdPoolID, VkQueue queue, string[] paths, uint mipLevels)
{
Bitmap[] bitmaps = new Bitmap[paths.Length];
FDataBuffer <byte>[] tempBuffer = new FDataBuffer <byte> [paths.Length];
uint width = 0, height = 0;
for (int j = 0; j < paths.Length; j++)
{
bitmaps[j] = new Bitmap(System.Drawing.Image.FromFile(paths[j]));
var data = bitmaps[j].LockBits(new Rectangle(0, 0, bitmaps[j].Width, bitmaps[j].Height), System.Drawing.Imaging.ImageLockMode.ReadOnly,
bitmaps[j].PixelFormat);
width = (uint)data.Width;
height = (uint)data.Height;//TODO add size check
Span <byte> img = new Span <byte>((void *)data.Scan0, data.Stride * data.Height);
tempBuffer[j] = new FDataBuffer <byte>(device, physicalDevice, img.Length, VkBufferUsageFlags.TransferSrc,
VkSharingMode.Exclusive);
Span <byte> buffer = tempBuffer[j].Map();
for (int i = 0; i < img.Length; i += 4)
{
buffer[i + 2] = img[i];
buffer[i + 1] = img[i + 1];
buffer[i] = img[i + 2];
buffer[i + 3] = img[i + 3];
}
buffer = tempBuffer[j].UnMap();
}
VkImage texture = VkImage.Null;
VkDeviceMemory memory = VkDeviceMemory.Null;
VkImageCreateInfo createInfo = VkImageCreateInfo.New();
createInfo.imageType = VkImageType.Image2D;
createInfo.extent.width = width;
createInfo.extent.height = height;
createInfo.extent.depth = 1;
createInfo.mipLevels = mipLevels;
createInfo.arrayLayers = (uint)paths.Length;
createInfo.format = VkFormat.R8g8b8a8Unorm;
createInfo.tiling = VkImageTiling.Optimal;
createInfo.initialLayout = VkImageLayout.Undefined;
createInfo.usage = VkImageUsageFlags.TransferDst | VkImageUsageFlags.Sampled | VkImageUsageFlags.TransferSrc;
createInfo.sharingMode = VkSharingMode.Exclusive;
createInfo.samples = VkSampleCountFlags.Count1;
Assert(vkCreateImage(device, &createInfo, null, &texture));
VkMemoryRequirements memoryRequirements;
vkGetImageMemoryRequirements(device, texture, &memoryRequirements);
VkPhysicalDeviceMemoryProperties memoryProperties = new VkPhysicalDeviceMemoryProperties();
vkGetPhysicalDeviceMemoryProperties(physicalDevice, &memoryProperties);
VkMemoryAllocateInfo allocateInfo = VkMemoryAllocateInfo.New();
allocateInfo.allocationSize = memoryRequirements.size;
allocateInfo.memoryTypeIndex = FDataBuffer <byte> .SelectMemoryType(memoryProperties, memoryRequirements.memoryTypeBits,
VkMemoryPropertyFlags.DeviceLocal);
Assert(vkAllocateMemory(device, &allocateInfo, null, &memory));
vkBindImageMemory(device, texture, memory, 0);
VkCommandBufferAllocateInfo pAllocateInfo = VkCommandBufferAllocateInfo.New();
pAllocateInfo.commandPool = CommandPoolManager.GetPool(cmdPoolID);
pAllocateInfo.level = VkCommandBufferLevel.Primary;
pAllocateInfo.commandBufferCount = 1;
VkCommandBuffer cmdBuffer = VkCommandBuffer.Null;
Assert(vkAllocateCommandBuffers(device, &pAllocateInfo, &cmdBuffer));
VkCommandBufferBeginInfo beginInfo = VkCommandBufferBeginInfo.New();
beginInfo.flags = VkCommandBufferUsageFlags.OneTimeSubmit;
Assert(vkBeginCommandBuffer(cmdBuffer, &beginInfo));
VkImageMemoryBarrier imageMemoryBarrier = VkImageMemoryBarrier.New();
imageMemoryBarrier.srcAccessMask = VkAccessFlags.None;
imageMemoryBarrier.dstAccessMask = VkAccessFlags.ColorAttachmentRead | VkAccessFlags.ColorAttachmentWrite;
imageMemoryBarrier.oldLayout = VkImageLayout.Undefined;
imageMemoryBarrier.newLayout = VkImageLayout.TransferDstOptimal;
imageMemoryBarrier.srcQueueFamilyIndex = VulkanNative.QueueFamilyIgnored;
imageMemoryBarrier.dstQueueFamilyIndex = VulkanNative.QueueFamilyIgnored;
imageMemoryBarrier.image = texture;
imageMemoryBarrier.subresourceRange = new VkImageSubresourceRange()
{
baseMipLevel = 0,
levelCount = mipLevels,
baseArrayLayer = 0,
layerCount = (uint)paths.Length,
aspectMask = VkImageAspectFlags.Color
};
vkCmdPipelineBarrier(cmdBuffer, VkPipelineStageFlags.AllCommands, VkPipelineStageFlags.AllCommands, VkDependencyFlags.ByRegion,
0, null, 0, null, 1, &imageMemoryBarrier);
for (int j = 0; j < tempBuffer.Length; j++)
{
VkBufferImageCopy region = new VkBufferImageCopy();
region.bufferOffset = 0;
region.bufferRowLength = 0;
region.bufferImageHeight = 0;
region.imageSubresource.aspectMask = VkImageAspectFlags.Color;
region.imageSubresource.mipLevel = 0;
region.imageSubresource.baseArrayLayer = (uint)j;
region.imageSubresource.layerCount = 1;
region.imageOffset = new VkOffset3D();
region.imageExtent = new VkExtent3D()
{
width = width, height = height, depth = 1
};
vkCmdCopyBufferToImage(cmdBuffer, tempBuffer[j].Buffer, texture, VkImageLayout.TransferDstOptimal, 1, ®ion);
}
imageMemoryBarrier.oldLayout = VkImageLayout.TransferDstOptimal;
imageMemoryBarrier.newLayout = VkImageLayout.ShaderReadOnlyOptimal;
vkCmdPipelineBarrier(cmdBuffer, VkPipelineStageFlags.AllCommands, VkPipelineStageFlags.AllCommands, VkDependencyFlags.ByRegion,
0, null, 0, null, 1, &imageMemoryBarrier);
Assert(vkEndCommandBuffer(cmdBuffer));
VkSubmitInfo submitInfo = VkSubmitInfo.New();
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &cmdBuffer;
Assert(vkQueueSubmit(queue, 1, &submitInfo, VkFence.Null));
Assert(vkQueueWaitIdle(queue));
vkFreeCommandBuffers(device, CommandPoolManager.GetPool(cmdPoolID), 1, &cmdBuffer);
return(texture);
}
private static void InitMips(VkDevice device, VkQueue queue, VkImage image, int width, int height, uint mipLevels, uint layerCount, int cmdPool)
{
VkCommandBufferAllocateInfo pAllocateInfo = VkCommandBufferAllocateInfo.New();
pAllocateInfo.commandPool = CommandPoolManager.GetPool(cmdPool);
pAllocateInfo.level = VkCommandBufferLevel.Primary;
pAllocateInfo.commandBufferCount = 1;
VkCommandBuffer cmdBuffer = VkCommandBuffer.Null;
Assert(vkAllocateCommandBuffers(device, &pAllocateInfo, &cmdBuffer));
Assert(vkResetCommandBuffer(cmdBuffer, VkCommandBufferResetFlags.None));
VkCommandBufferBeginInfo beginInfo = VkCommandBufferBeginInfo.New();
beginInfo.flags = VkCommandBufferUsageFlags.OneTimeSubmit;
Assert(vkBeginCommandBuffer(cmdBuffer, &beginInfo));
VkImageMemoryBarrier imageMemoryBarrier = VkImageMemoryBarrier.New();
imageMemoryBarrier.srcAccessMask = VkAccessFlags.None;
imageMemoryBarrier.dstAccessMask = VkAccessFlags.TransferWrite;
imageMemoryBarrier.oldLayout = VkImageLayout.Undefined;
imageMemoryBarrier.newLayout = VkImageLayout.TransferDstOptimal;
imageMemoryBarrier.srcQueueFamilyIndex = VulkanNative.QueueFamilyIgnored;
imageMemoryBarrier.dstQueueFamilyIndex = VulkanNative.QueueFamilyIgnored;
imageMemoryBarrier.image = image;
imageMemoryBarrier.subresourceRange = new VkImageSubresourceRange()
{
baseMipLevel = 0,
levelCount = mipLevels,
baseArrayLayer = 0,
layerCount = layerCount,
aspectMask = VkImageAspectFlags.Color
};
vkCmdPipelineBarrier(cmdBuffer, VkPipelineStageFlags.AllCommands, VkPipelineStageFlags.AllCommands, VkDependencyFlags.ByRegion,
0, null, 0, null, 1, &imageMemoryBarrier);
for (int i = 1; i < mipLevels; i++)
{
imageMemoryBarrier.oldLayout = VkImageLayout.TransferDstOptimal;
imageMemoryBarrier.newLayout = VkImageLayout.TransferSrcOptimal;
imageMemoryBarrier.srcAccessMask = VkAccessFlags.TransferWrite;
imageMemoryBarrier.dstAccessMask = VkAccessFlags.TransferRead;
imageMemoryBarrier.subresourceRange.baseMipLevel = (uint)(i - 1);
imageMemoryBarrier.subresourceRange.levelCount = 1;
vkCmdPipelineBarrier(cmdBuffer, VkPipelineStageFlags.AllCommands, VkPipelineStageFlags.AllCommands, VkDependencyFlags.ByRegion,
0, null, 0, null, 1, &imageMemoryBarrier);
VkImageBlit blit = new VkImageBlit();
blit.srcOffsets_0 = new VkOffset3D {
x = 0, y = 0, z = 0
};
blit.srcOffsets_1 = new VkOffset3D {
x = width, y = height, z = 1
};
blit.srcSubresource.aspectMask = VkImageAspectFlags.Color;
blit.srcSubresource.mipLevel = (uint)(i - 1);
blit.srcSubresource.baseArrayLayer = 0;
blit.srcSubresource.layerCount = layerCount;
blit.dstOffsets_0 = new VkOffset3D {
x = 0, y = 0, z = 0
};
blit.dstOffsets_1 = new VkOffset3D {
x = width / 2, y = height / 2, z = 1
};
blit.dstSubresource.aspectMask = VkImageAspectFlags.Color;
blit.dstSubresource.mipLevel = (uint)i;
blit.dstSubresource.baseArrayLayer = 0;
blit.dstSubresource.layerCount = layerCount;
vkCmdBlitImage(cmdBuffer, image, VkImageLayout.TransferSrcOptimal, image, VkImageLayout.TransferDstOptimal,
1, &blit, VkFilter.Linear);
width /= 2;
height /= 2;
imageMemoryBarrier.oldLayout = VkImageLayout.TransferSrcOptimal;
imageMemoryBarrier.newLayout = VkImageLayout.ShaderReadOnlyOptimal;
imageMemoryBarrier.srcAccessMask = VkAccessFlags.TransferRead;
imageMemoryBarrier.dstAccessMask = VkAccessFlags.ShaderRead;
imageMemoryBarrier.subresourceRange.baseMipLevel = (uint)(i - 1);
imageMemoryBarrier.subresourceRange.levelCount = 1;
vkCmdPipelineBarrier(cmdBuffer, VkPipelineStageFlags.AllCommands, VkPipelineStageFlags.AllCommands, VkDependencyFlags.ByRegion,
0, null, 0, null, 1, &imageMemoryBarrier);
}
imageMemoryBarrier.oldLayout = VkImageLayout.Undefined;
imageMemoryBarrier.newLayout = VkImageLayout.ShaderReadOnlyOptimal;
imageMemoryBarrier.srcAccessMask = VkAccessFlags.TransferRead;
imageMemoryBarrier.dstAccessMask = VkAccessFlags.ShaderRead;
imageMemoryBarrier.subresourceRange.baseMipLevel = mipLevels - 1;
imageMemoryBarrier.subresourceRange.levelCount = 1;
vkCmdPipelineBarrier(cmdBuffer, VkPipelineStageFlags.AllCommands, VkPipelineStageFlags.AllCommands, VkDependencyFlags.ByRegion,
0, null, 0, null, 1, &imageMemoryBarrier);
Assert(vkEndCommandBuffer(cmdBuffer));
VkSubmitInfo submitInfo = VkSubmitInfo.New();
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &cmdBuffer;
Assert(vkQueueSubmit(queue, 1, &submitInfo, VkFence.Null));
}
static void Main(string[] args)
{
Console.WriteLine(AppContext.GetData("NATIVE_DLL_SEARCH_DIRECTORIES").ToString());
Console.WriteLine($"Hello Vulkan!");
Init();
if (!GLFW.Vulkan.IsSupported)
{
Console.Error.WriteLine("GLFW says that vulkan is not supported.");
return;
}
WindowHint(Hint.ClientApi, ClientApi.None);
NativeWindow window = new GLFW.NativeWindow(width, height, "Fabricor");
Glfw.SetKeyCallback(window, (a, b, c, d, e) => {
GLFWInput.KeyCallback(a, b, c, d, e);
});
FInstance finst = new FInstance();
VkSurfaceKHR surface = CreateSurface(finst.instance, window);
VkDevice device = CreateDevice(finst.instance, out var physicalDevice, surface, out var queueFamilyIndex);
VkSwapchainKHR swapchain = CreateSwapchain(VkSwapchainKHR.Null, finst.instance, device, physicalDevice, surface, queueFamilyIndex);
VkRenderPass renderPass = CreateRenderPass(device);
uint swapchainImageCount = 0;
Assert(vkGetSwapchainImagesKHR(device, swapchain, &swapchainImageCount, null));////////////IMAGES
VkImage[] swapchainImages = new VkImage[swapchainImageCount];
fixed(VkImage *ptr = &swapchainImages[0])
Assert(vkGetSwapchainImagesKHR(device, swapchain, &swapchainImageCount, ptr));
CommandPoolManager.Init(device, queueFamilyIndex);
int poolId = CommandPoolManager.CreateCommandPool(VkCommandPoolCreateFlags.ResetCommandBuffer);
VkSemaphoreCreateInfo pCreateInfo = VkSemaphoreCreateInfo.New();
VkSemaphore acquireSemaphore = new VkSemaphore();
vkCreateSemaphore(device, &pCreateInfo, null, &acquireSemaphore);
VkSemaphore releaseSemaphore = new VkSemaphore();
vkCreateSemaphore(device, &pCreateInfo, null, &releaseSemaphore);
VkQueue graphicsQueue = VkQueue.Null;
vkGetDeviceQueue(device, queueFamilyIndex, 0, &graphicsQueue);
string[] textures = new string[] {
"res/Linus.png",
"res/Alex.png",
"res/Victor.png",
"res/Alex2.png",
//"res/Cyan.png",
"res/Alex3.png",
//"res/Red.png",
};
FTexture texture = new FTexture(device, physicalDevice, poolId, graphicsQueue, textures, VkFormat.R8g8b8a8Unorm,
512, 512, (uint)(Math.Log(512) / Math.Log(2)) + 1);
VkPipelineCache pipelineCache = VkPipelineCache.Null;//This is critcal for performance.
FGraphicsPipeline voxelPipeline =
new FGraphicsPipeline(device, physicalDevice, pipelineCache, renderPass, "shaders/voxel", swapchainImageCount, texture);
voxelPipeline.CreateDepthBuffer(physicalDevice, (uint)width, (uint)height);
VkImageView[] swapchainImageViews = new VkImageView[swapchainImageCount];
for (int i = 0; i < swapchainImageCount; i++)
{
swapchainImageViews[i] = FTexture.CreateColourImageView(device, swapchainImages[i], surfaceFormat.format);
}
VkFramebuffer[] frambuffers = new VkFramebuffer[swapchainImageCount];
for (int i = 0; i < swapchainImageCount; i++)
{
frambuffers[i] = CreateFramebuffer(device, renderPass, swapchainImageViews[i], voxelPipeline.depthImageView);
}
MeshWrapper <VoxelVertex> mesh = VoxelMeshFactory.GenerateMesh(device, physicalDevice);
Action updateMesh = delegate {
VoxelMeshFactory.UpdateMesh(device, physicalDevice, mesh);
};
GLFWInput.Subscribe(Keys.U, updateMesh, InputState.Press);
Action changeTexture = delegate
{
Span <VoxelVertex> span = mesh.Mesh.vertices.Map();
for (int j = 0; j < span.Length; j++)
{
span[j].textureId++;
}
span = mesh.Mesh.vertices.UnMap();
};
GLFWInput.Subscribe(Keys.F, changeTexture, InputState.Press);
FCommandBuffer[] cmdBuffers = new FCommandBuffer[swapchainImageCount];
VkFence[] fences = new VkFence[swapchainImageCount];
for (int i = 0; i < swapchainImageCount; i++)
{
cmdBuffers[i] = new FCommandBuffer(device, poolId);
VkFenceCreateInfo createInfo = VkFenceCreateInfo.New();
createInfo.flags = VkFenceCreateFlags.Signaled;
VkFence fence = VkFence.Null;
Assert(vkCreateFence(device, &createInfo, null, &fence));
fences[i] = fence;
}
FCamera camera = new FCamera();
camera.AspectWidth = width;
camera.AspectHeight = height;
camera.position.Z = -1f;
//camera.rotation=Quaternion.CreateFromYawPitchRoll(MathF.PI,0,0);
double lastTime = Glfw.Time;
int nbFrames = 0;
while (!WindowShouldClose(window))
{
PollEvents();
GLFWInput.Update();
// Measure speed
double currentTime = Glfw.Time;
nbFrames++;
if (currentTime - lastTime >= 1.0)
{ // If last prinf() was more than 1 sec ago
// printf and reset timer
Console.WriteLine($"ms/frame: {1000.0 / nbFrames}");
nbFrames = 0;
lastTime += 1.0;
}
if (GLFWInput.TimeKeyPressed(Keys.D) > 0)
{
camera.position += Vector3.Transform(Vector3.UnitX * 0.00015f, camera.rotation);
}
if (GLFWInput.TimeKeyPressed(Keys.A) > 0)
{
camera.position -= Vector3.Transform(Vector3.UnitX * 0.00015f, camera.rotation);
}
if (GLFWInput.TimeKeyPressed(Keys.W) > 0)
{
camera.position += Vector3.Transform(Vector3.UnitZ * 0.00015f, camera.rotation);
}
if (GLFWInput.TimeKeyPressed(Keys.S) > 0)
{
camera.position -= Vector3.Transform(Vector3.UnitZ * 0.00015f, camera.rotation);
}
if (GLFWInput.TimeKeyPressed(Keys.Space) > 0)
{
camera.position += Vector3.Transform(Vector3.UnitY * 0.00015f, camera.rotation);
}
if (GLFWInput.TimeKeyPressed(Keys.LeftShift) > 0)
{
camera.position -= Vector3.Transform(Vector3.UnitY * 0.00015f, camera.rotation);
}
if (GLFWInput.TimeKeyPressed(Keys.Right) > 0)
{
camera.rotation *= Quaternion.CreateFromAxisAngle(Vector3.UnitY, 0.00015f);
}
if (GLFWInput.TimeKeyPressed(Keys.Left) > 0)
{
camera.rotation *= Quaternion.CreateFromAxisAngle(Vector3.UnitY, -0.00015f);
}
uint imageIndex = 0;
Assert(vkAcquireNextImageKHR(device, swapchain, ulong.MaxValue, acquireSemaphore, VkFence.Null, &imageIndex));
VkCommandBufferBeginInfo beginInfo = VkCommandBufferBeginInfo.New();
beginInfo.flags = VkCommandBufferUsageFlags.OneTimeSubmit;
voxelPipeline.swapchainFramebuffer = frambuffers[imageIndex];
voxelPipeline.swapchainImage = swapchainImages[imageIndex];
voxelPipeline.swapchainImageIndex = imageIndex;
voxelPipeline.mesh = mesh;
voxelPipeline.camera = camera;
fixed(VkFence *ptr = &(fences[imageIndex]))
{
vkWaitForFences(device, 1, ptr, VkBool32.False, ulong.MaxValue);
vkResetFences(device, 1, ptr);
}
cmdBuffers[imageIndex].RecordCommandBuffer(new Action <VkCommandBuffer>[] {
voxelPipeline.Execute,
});
VkPipelineStageFlags submitStageMask = VkPipelineStageFlags.ColorAttachmentOutput;
VkSubmitInfo submitInfo = VkSubmitInfo.New();
submitInfo.waitSemaphoreCount = 1;
submitInfo.pWaitSemaphores = &acquireSemaphore;
submitInfo.pWaitDstStageMask = &submitStageMask;
submitInfo.commandBufferCount = 1;
fixed(VkCommandBuffer *ptr = &(cmdBuffers[imageIndex].buffer))
submitInfo.pCommandBuffers = ptr;
submitInfo.signalSemaphoreCount = 1;
submitInfo.pSignalSemaphores = &releaseSemaphore;
Assert(vkQueueSubmit(graphicsQueue, 1, &submitInfo, fences[imageIndex]));
VkPresentInfoKHR presentInfoKHR = VkPresentInfoKHR.New();
presentInfoKHR.swapchainCount = 1;
presentInfoKHR.pSwapchains = &swapchain;
presentInfoKHR.pImageIndices = &imageIndex;
presentInfoKHR.waitSemaphoreCount = 1;
presentInfoKHR.pWaitSemaphores = &releaseSemaphore;
Assert(vkQueuePresentKHR(graphicsQueue, &presentInfoKHR));
vkDeviceWaitIdle(device);
}
finst.Destroy();
DestroyWindow(window);
Terminate();
}