source: opengl-game/vulkan-utils.cpp@ c324d6a

feature/imgui-sdl
Last change on this file since c324d6a was c324d6a, checked in by Dmitry Portnoy <dportnoy@…>, 4 years ago

Make some minor updates to VulkanGame
  • Property mode set to 100644
File size: 22.0 KB
Line 
1#include "vulkan-utils.hpp"
2
3#include <algorithm>
4#include <set>
5#include <stdexcept>
6
7#define STB_IMAGE_IMPLEMENTATION
8#include "stb_image.h" // TODO: Probably switch to SDL_image
9
10// TODO: Remove all instances of auto
11
12bool VulkanUtils::checkValidationLayerSupport(const vector<const char*> &validationLayers) {
13 uint32_t layerCount;
14 vkEnumerateInstanceLayerProperties(&layerCount, nullptr);
15
16 vector<VkLayerProperties> availableLayers(layerCount);
17 vkEnumerateInstanceLayerProperties(&layerCount, availableLayers.data());
18
19 for (const char* layerName : validationLayers) {
20 bool layerFound = false;
21
22 for (const auto& layerProperties : availableLayers) {
23 if (strcmp(layerName, layerProperties.layerName) == 0) {
24 layerFound = true;
25 break;
26 }
27 }
28
29 if (!layerFound) {
30 return false;
31 }
32 }
33
34 return true;
35}
36
37VkResult VulkanUtils::createDebugUtilsMessengerEXT(VkInstance instance,
38 const VkDebugUtilsMessengerCreateInfoEXT* pCreateInfo,
39 const VkAllocationCallbacks* pAllocator,
40 VkDebugUtilsMessengerEXT* pDebugMessenger) {
41 PFN_vkCreateDebugUtilsMessengerEXT func = (PFN_vkCreateDebugUtilsMessengerEXT) vkGetInstanceProcAddr(instance,
42 "vkCreateDebugUtilsMessengerEXT");
43
44 if (func != nullptr) {
45 return func(instance, pCreateInfo, pAllocator, pDebugMessenger);
46 } else {
47 return VK_ERROR_EXTENSION_NOT_PRESENT;
48 }
49}
50
51void VulkanUtils::destroyDebugUtilsMessengerEXT(VkInstance instance,
52 VkDebugUtilsMessengerEXT debugMessenger,
53 const VkAllocationCallbacks* pAllocator) {
54 PFN_vkDestroyDebugUtilsMessengerEXT func = (PFN_vkDestroyDebugUtilsMessengerEXT) vkGetInstanceProcAddr(instance,
55 "vkDestroyDebugUtilsMessengerEXT");
56
57 if (func != nullptr) {
58 func(instance, debugMessenger, pAllocator);
59 }
60}
61
62QueueFamilyIndices VulkanUtils::findQueueFamilies(VkPhysicalDevice physicalDevice, VkSurfaceKHR surface) {
63 QueueFamilyIndices indices;
64
65 uint32_t queueFamilyCount = 0;
66 vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, nullptr);
67
68 vector<VkQueueFamilyProperties> queueFamilies(queueFamilyCount);
69 vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, queueFamilies.data());
70
71 int i = 0;
72 for (const auto& queueFamily : queueFamilies) {
73 if (queueFamily.queueCount > 0 && queueFamily.queueFlags & VK_QUEUE_GRAPHICS_BIT) {
74 indices.graphicsFamily = i;
75 }
76
77 VkBool32 presentSupport = false;
78 vkGetPhysicalDeviceSurfaceSupportKHR(physicalDevice, i, surface, &presentSupport);
79
80 if (queueFamily.queueCount > 0 && presentSupport) {
81 indices.presentFamily = i;
82 }
83
84 if (indices.isComplete()) {
85 break;
86 }
87
88 i++;
89 }
90
91 return indices;
92}
93
94bool VulkanUtils::checkDeviceExtensionSupport(VkPhysicalDevice physicalDevice, const vector<const char*>& deviceExtensions) {
95 uint32_t extensionCount;
96 vkEnumerateDeviceExtensionProperties(physicalDevice, nullptr, &extensionCount, nullptr);
97
98 vector<VkExtensionProperties> availableExtensions(extensionCount);
99 vkEnumerateDeviceExtensionProperties(physicalDevice, nullptr, &extensionCount, availableExtensions.data());
100
101 set<string> requiredExtensions(deviceExtensions.begin(), deviceExtensions.end());
102
103 for (const auto& extension : availableExtensions) {
104 requiredExtensions.erase(extension.extensionName);
105 }
106
107 return requiredExtensions.empty();
108}
109
110SwapChainSupportDetails VulkanUtils::querySwapChainSupport(VkPhysicalDevice physicalDevice, VkSurfaceKHR surface) {
111 SwapChainSupportDetails details;
112
113 vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physicalDevice, surface, &details.capabilities);
114
115 uint32_t formatCount;
116 vkGetPhysicalDeviceSurfaceFormatsKHR(physicalDevice, surface, &formatCount, nullptr);
117
118 if (formatCount != 0) {
119 details.formats.resize(formatCount);
120 vkGetPhysicalDeviceSurfaceFormatsKHR(physicalDevice, surface, &formatCount, details.formats.data());
121 }
122
123 uint32_t presentModeCount;
124 vkGetPhysicalDeviceSurfacePresentModesKHR(physicalDevice, surface, &presentModeCount, nullptr);
125
126 if (presentModeCount != 0) {
127 details.presentModes.resize(presentModeCount);
128 vkGetPhysicalDeviceSurfacePresentModesKHR(physicalDevice, surface, &presentModeCount, details.presentModes.data());
129 }
130
131 return details;
132}
133
134VkSurfaceFormatKHR VulkanUtils::chooseSwapSurfaceFormat(const vector<VkSurfaceFormatKHR>& availableFormats) {
135 for (const auto& availableFormat : availableFormats) {
136 if (availableFormat.format == VK_FORMAT_B8G8R8A8_UNORM && availableFormat.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) {
137 return availableFormat;
138 }
139 }
140
141 return availableFormats[0];
142}
143
144VkPresentModeKHR VulkanUtils::chooseSwapPresentMode(const vector<VkPresentModeKHR>& availablePresentModes) {
145 VkPresentModeKHR bestMode = VK_PRESENT_MODE_FIFO_KHR;
146
147 /* This functions effectively selects present modes in this order, which allows for unlimited framerate:
148 * { VK_PRESENT_MODE_MAILBOX_KHR, VK_PRESENT_MODE_IMMEDIATE_KHR, VK_PRESENT_MODE_FIFO_KHR }
149 *
150 * To cap the framerate (I assume to the monitor refresh rate), just use:
151 * { VK_PRESENT_MODE_FIFO_KHR }
152 *
153 * Would be better to make a more generic function that takes a list of prefered modes ordered by preference.
154 * Example code:
155 *
156 * for (int request_i = 0; request_i < request_modes_count; request_i++)
157 * for (uint32_t avail_i = 0; avail_i < avail_count; avail_i++)
158 * if (request_modes[request_i] == avail_modes[avail_i])
159 * return request_modes[request_i];
160 */
161
162 for (const auto& availablePresentMode : availablePresentModes) {
163 if (availablePresentMode == VK_PRESENT_MODE_MAILBOX_KHR) {
164 return availablePresentMode;
165 } else if (availablePresentMode == VK_PRESENT_MODE_IMMEDIATE_KHR) {
166 bestMode = availablePresentMode;
167 }
168 }
169
170 return bestMode;
171}
172
173VkExtent2D VulkanUtils::chooseSwapExtent(const VkSurfaceCapabilitiesKHR& capabilities, int width, int height) {
174 if (capabilities.currentExtent.width != numeric_limits<uint32_t>::max()) {
175 return capabilities.currentExtent;
176 } else {
177 VkExtent2D actualExtent = {
178 static_cast<uint32_t>(width),
179 static_cast<uint32_t>(height)
180 };
181
182 actualExtent.width = std::max(capabilities.minImageExtent.width, std::min(capabilities.maxImageExtent.width, actualExtent.width));
183 actualExtent.height = std::max(capabilities.minImageExtent.height, std::min(capabilities.maxImageExtent.height, actualExtent.height));
184
185 return actualExtent;
186 }
187}
188
189VkImageView VulkanUtils::createImageView(VkDevice device, VkImage image, VkFormat format, VkImageAspectFlags aspectFlags) {
190 VkImageViewCreateInfo viewInfo = {};
191 viewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
192 viewInfo.image = image;
193 viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
194 viewInfo.format = format;
195
196 viewInfo.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
197 viewInfo.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
198 viewInfo.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
199 viewInfo.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
200
201 viewInfo.subresourceRange.aspectMask = aspectFlags;
202 viewInfo.subresourceRange.baseMipLevel = 0;
203 viewInfo.subresourceRange.levelCount = 1;
204 viewInfo.subresourceRange.baseArrayLayer = 0;
205 viewInfo.subresourceRange.layerCount = 1;
206
207 VkImageView imageView;
208 if (vkCreateImageView(device, &viewInfo, nullptr, &imageView) != VK_SUCCESS) {
209 throw runtime_error("failed to create image view!");
210 }
211
212 return imageView;
213}
214
215VkFormat VulkanUtils::findSupportedFormat(VkPhysicalDevice physicalDevice, const vector<VkFormat>& candidates,
216 VkImageTiling tiling, VkFormatFeatureFlags features) {
217 for (VkFormat format : candidates) {
218 VkFormatProperties props;
219 vkGetPhysicalDeviceFormatProperties(physicalDevice, format, &props);
220
221 if (tiling == VK_IMAGE_TILING_LINEAR &&
222 (props.linearTilingFeatures & features) == features) {
223 return format;
224 } else if (tiling == VK_IMAGE_TILING_OPTIMAL &&
225 (props.optimalTilingFeatures & features) == features) {
226 return format;
227 }
228 }
229
230 throw runtime_error("failed to find supported format!");
231}
232
233void VulkanUtils::createBuffer(VkDevice device, VkPhysicalDevice physicalDevice, VkDeviceSize size, VkBufferUsageFlags usage,
234 VkMemoryPropertyFlags properties, VkBuffer& buffer, VkDeviceMemory& bufferMemory) {
235 VkBufferCreateInfo bufferInfo = {};
236 bufferInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
237 bufferInfo.size = size;
238 bufferInfo.usage = usage;
239 bufferInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
240
241 if (vkCreateBuffer(device, &bufferInfo, nullptr, &buffer) != VK_SUCCESS) {
242 throw runtime_error("failed to create buffer!");
243 }
244
245 VkMemoryRequirements memRequirements;
246 vkGetBufferMemoryRequirements(device, buffer, &memRequirements);
247
248 VkMemoryAllocateInfo allocInfo = {};
249 allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
250 allocInfo.allocationSize = memRequirements.size;
251 allocInfo.memoryTypeIndex = findMemoryType(physicalDevice, memRequirements.memoryTypeBits, properties);
252
253 if (vkAllocateMemory(device, &allocInfo, nullptr, &bufferMemory) != VK_SUCCESS) {
254 throw runtime_error("failed to allocate buffer memory!");
255 }
256
257 vkBindBufferMemory(device, buffer, bufferMemory, 0);
258}
259
260uint32_t VulkanUtils::findMemoryType(VkPhysicalDevice physicalDevice, uint32_t typeFilter, VkMemoryPropertyFlags properties) {
261 VkPhysicalDeviceMemoryProperties memProperties;
262 vkGetPhysicalDeviceMemoryProperties(physicalDevice, &memProperties);
263
264 for (uint32_t i = 0; i < memProperties.memoryTypeCount; i++) {
265 if ((typeFilter & (1 << i)) && (memProperties.memoryTypes[i].propertyFlags & properties) == properties) {
266 return i;
267 }
268 }
269
270 throw runtime_error("failed to find suitable memory type!");
271}
272
273void VulkanUtils::createVulkanImageFromFile(VkDevice device, VkPhysicalDevice physicalDevice,
274 VkCommandPool commandPool, string filename, VulkanImage& image, VkQueue graphicsQueue) {
275 // TODO: Since the image loaded here will be used as a texture, display a warning if it has
276 // non power-of-two dimensions
277 int texWidth, texHeight, texChannels;
278
279 stbi_uc* pixels = stbi_load(filename.c_str(), &texWidth, &texHeight, &texChannels, STBI_rgb_alpha);
280 VkDeviceSize imageSize = texWidth * texHeight * 4;
281
282 if (!pixels) {
283 throw runtime_error("failed to load texture image!");
284 }
285
286 VkBuffer stagingBuffer;
287 VkDeviceMemory stagingBufferMemory;
288
289 createBuffer(device, physicalDevice, imageSize,
290 VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
291 VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
292 stagingBuffer, stagingBufferMemory);
293
294 void* data;
295
296 vkMapMemory(device, stagingBufferMemory, 0, imageSize, 0, &data);
297 memcpy(data, pixels, static_cast<size_t>(imageSize));
298 vkUnmapMemory(device, stagingBufferMemory);
299
300 stbi_image_free(pixels);
301
302 createImage(device, physicalDevice, texWidth, texHeight, VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_TILING_OPTIMAL,
303 VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, image);
304
305 transitionImageLayout(device, commandPool, image.image, VK_FORMAT_R8G8B8A8_UNORM,
306 VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, graphicsQueue);
307 copyBufferToImage(device, commandPool, stagingBuffer, image.image,
308 static_cast<uint32_t>(texWidth), static_cast<uint32_t>(texHeight), graphicsQueue);
309 transitionImageLayout(device, commandPool, image.image, VK_FORMAT_R8G8B8A8_UNORM,
310 VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, graphicsQueue);
311
312 vkDestroyBuffer(device, stagingBuffer, nullptr);
313 vkFreeMemory(device, stagingBufferMemory, nullptr);
314
315 image.imageView = createImageView(device, image.image, VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_ASPECT_COLOR_BIT);
316}
317
318void VulkanUtils::createVulkanImageFromSDLTexture(VkDevice device, VkPhysicalDevice physicalDevice,
319 SDL_Texture* texture, VulkanImage& image) {
320 int a, w, h;
321
322 // I only need this here for the width and height, which are constants, so just use those instead
323 SDL_QueryTexture(texture, nullptr, &a, &w, &h);
324
325 createImage(device, physicalDevice, w, h, VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_TILING_OPTIMAL,
326 VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, image);
327
328 image.imageView = createImageView(device, image.image, VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_ASPECT_COLOR_BIT);
329}
330
331void VulkanUtils::populateVulkanImageFromSDLTexture(VkDevice device, VkPhysicalDevice physicalDevice,
332 VkCommandPool commandPool, SDL_Texture* texture, SDL_Renderer* renderer, VulkanImage& image,
333 VkQueue graphicsQueue) {
334 int a, w, h;
335
336 SDL_QueryTexture(texture, nullptr, &a, &w, &h);
337
338 VkDeviceSize imageSize = w * h * 4;
339 unsigned char* pixels = new unsigned char[imageSize];
340
341 SDL_RenderReadPixels(renderer, nullptr, SDL_PIXELFORMAT_ABGR8888, pixels, w * 4);
342
343 VkBuffer stagingBuffer;
344 VkDeviceMemory stagingBufferMemory;
345
346 createBuffer(device, physicalDevice, imageSize,
347 VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
348 VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
349 stagingBuffer, stagingBufferMemory);
350
351 void* data;
352
353 vkMapMemory(device, stagingBufferMemory, 0, VK_WHOLE_SIZE, 0, &data);
354 memcpy(data, pixels, static_cast<size_t>(imageSize));
355
356 VkMappedMemoryRange mappedMemoryRange = {};
357 mappedMemoryRange.sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE;
358 mappedMemoryRange.memory = stagingBufferMemory;
359 mappedMemoryRange.offset = 0;
360 mappedMemoryRange.size = VK_WHOLE_SIZE;
361
362 // TODO: Should probably check that the function succeeded
363 vkFlushMappedMemoryRanges(device, 1, &mappedMemoryRange);
364 vkUnmapMemory(device, stagingBufferMemory);
365
366 delete[] pixels;
367
368 transitionImageLayout(device, commandPool, image.image, VK_FORMAT_R8G8B8A8_UNORM,
369 VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, graphicsQueue);
370 copyBufferToImage(device, commandPool, stagingBuffer, image.image,
371 static_cast<uint32_t>(w), static_cast<uint32_t>(h), graphicsQueue);
372 transitionImageLayout(device, commandPool, image.image, VK_FORMAT_R8G8B8A8_UNORM,
373 VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, graphicsQueue);
374
375 vkDestroyBuffer(device, stagingBuffer, nullptr);
376 vkFreeMemory(device, stagingBufferMemory, nullptr);
377}
378
379void VulkanUtils::createDepthImage(VkDevice device, VkPhysicalDevice physicalDevice, VkCommandPool commandPool,
380 VkFormat depthFormat, VkExtent2D extent, VulkanImage& image, VkQueue graphicsQueue) {
381 createImage(device, physicalDevice, extent.width, extent.height, depthFormat, VK_IMAGE_TILING_OPTIMAL,
382 VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, image);
383 image.imageView = createImageView(device, image.image, depthFormat, VK_IMAGE_ASPECT_DEPTH_BIT);
384
385 transitionImageLayout(device, commandPool, image.image, depthFormat, VK_IMAGE_LAYOUT_UNDEFINED,
386 VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL, graphicsQueue);
387}
388
389void VulkanUtils::createImage(VkDevice device, VkPhysicalDevice physicalDevice, uint32_t width, uint32_t height,
390 VkFormat format, VkImageTiling tiling, VkImageUsageFlags usage, VkMemoryPropertyFlags properties,
391 VulkanImage& image) {
392 VkImageCreateInfo imageInfo = {};
393 imageInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
394 imageInfo.imageType = VK_IMAGE_TYPE_2D;
395 imageInfo.extent.width = width;
396 imageInfo.extent.height = height;
397 imageInfo.extent.depth = 1;
398 imageInfo.mipLevels = 1;
399 imageInfo.arrayLayers = 1;
400 imageInfo.format = format;
401 imageInfo.tiling = tiling;
402 imageInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
403 imageInfo.usage = usage;
404 imageInfo.samples = VK_SAMPLE_COUNT_1_BIT;
405 imageInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
406
407 if (vkCreateImage(device, &imageInfo, nullptr, &image.image) != VK_SUCCESS) {
408 throw runtime_error("failed to create image!");
409 }
410
411 VkMemoryRequirements memRequirements;
412 vkGetImageMemoryRequirements(device, image.image, &memRequirements);
413
414 VkMemoryAllocateInfo allocInfo = {};
415 allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
416 allocInfo.allocationSize = memRequirements.size;
417 allocInfo.memoryTypeIndex = findMemoryType(physicalDevice, memRequirements.memoryTypeBits, properties);
418
419 if (vkAllocateMemory(device, &allocInfo, nullptr, &image.imageMemory) != VK_SUCCESS) {
420 throw runtime_error("failed to allocate image memory!");
421 }
422
423 vkBindImageMemory(device, image.image, image.imageMemory, 0);
424}
425
426void VulkanUtils::transitionImageLayout(VkDevice device, VkCommandPool commandPool, VkImage image,
427 VkFormat format, VkImageLayout oldLayout, VkImageLayout newLayout, VkQueue graphicsQueue) {
428 VkCommandBuffer commandBuffer = beginSingleTimeCommands(device, commandPool);
429
430 VkImageMemoryBarrier barrier = {};
431 barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
432 barrier.oldLayout = oldLayout;
433 barrier.newLayout = newLayout;
434 barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
435 barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
436 barrier.image = image;
437
438 if (newLayout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL) {
439 barrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;
440
441 if (hasStencilComponent(format)) {
442 barrier.subresourceRange.aspectMask |= VK_IMAGE_ASPECT_STENCIL_BIT;
443 }
444 } else {
445 barrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
446 }
447
448 barrier.subresourceRange.baseMipLevel = 0;
449 barrier.subresourceRange.levelCount = 1;
450 barrier.subresourceRange.baseArrayLayer = 0;
451 barrier.subresourceRange.layerCount = 1;
452
453 VkPipelineStageFlags sourceStage;
454 VkPipelineStageFlags destinationStage;
455
456 if (oldLayout == VK_IMAGE_LAYOUT_UNDEFINED && newLayout == VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL) {
457 barrier.srcAccessMask = 0;
458 barrier.dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
459
460 sourceStage = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
461 destinationStage = VK_PIPELINE_STAGE_TRANSFER_BIT;
462 } else if (oldLayout == VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL && newLayout == VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL) {
463 barrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
464 barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
465
466 sourceStage = VK_PIPELINE_STAGE_TRANSFER_BIT;
467 destinationStage = VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT;
468 } else if (oldLayout == VK_IMAGE_LAYOUT_UNDEFINED && newLayout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL) {
469 barrier.srcAccessMask = 0;
470 barrier.dstAccessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
471
472 sourceStage = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
473 destinationStage = VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;
474 } else {
475 throw invalid_argument("unsupported layout transition!");
476 }
477
478 vkCmdPipelineBarrier(
479 commandBuffer,
480 sourceStage, destinationStage,
481 0,
482 0, nullptr,
483 0, nullptr,
484 1, &barrier
485 );
486
487 endSingleTimeCommands(device, commandPool, commandBuffer, graphicsQueue);
488}
489
490VkCommandBuffer VulkanUtils::beginSingleTimeCommands(VkDevice device, VkCommandPool commandPool) {
491 VkCommandBufferAllocateInfo allocInfo = {};
492 allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
493 allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
494 allocInfo.commandPool = commandPool;
495 allocInfo.commandBufferCount = 1;
496
497 VkCommandBuffer commandBuffer;
498 vkAllocateCommandBuffers(device, &allocInfo, &commandBuffer);
499
500 VkCommandBufferBeginInfo beginInfo = {};
501 beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
502 beginInfo.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
503
504 vkBeginCommandBuffer(commandBuffer, &beginInfo);
505
506 return commandBuffer;
507}
508
509void VulkanUtils::endSingleTimeCommands(VkDevice device, VkCommandPool commandPool,
510 VkCommandBuffer commandBuffer, VkQueue graphicsQueue) {
511 vkEndCommandBuffer(commandBuffer);
512
513 VkSubmitInfo submitInfo = {};
514 submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
515 submitInfo.commandBufferCount = 1;
516 submitInfo.pCommandBuffers = &commandBuffer;
517
518 vkQueueSubmit(graphicsQueue, 1, &submitInfo, VK_NULL_HANDLE);
519 vkQueueWaitIdle(graphicsQueue);
520
521 vkFreeCommandBuffers(device, commandPool, 1, &commandBuffer);
522}
523
524void VulkanUtils::copyBufferToImage(VkDevice device, VkCommandPool commandPool, VkBuffer buffer,
525 VkImage image, uint32_t width, uint32_t height, VkQueue graphicsQueue) {
526 VkCommandBuffer commandBuffer = beginSingleTimeCommands(device, commandPool);
527
528 VkBufferImageCopy region = {};
529 region.bufferOffset = 0;
530 region.bufferRowLength = 0;
531 region.bufferImageHeight = 0;
532 region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
533 region.imageSubresource.mipLevel = 0;
534 region.imageSubresource.baseArrayLayer = 0;
535 region.imageSubresource.layerCount = 1;
536 region.imageOffset = { 0, 0, 0 };
537 region.imageExtent = { width, height, 1 };
538
539 vkCmdCopyBufferToImage(
540 commandBuffer,
541 buffer,
542 image,
543 VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
544 1,
545 &region
546 );
547
548 endSingleTimeCommands(device, commandPool, commandBuffer, graphicsQueue);
549}
550
551void VulkanUtils::copyBuffer(VkDevice device, VkCommandPool commandPool, VkBuffer srcBuffer,
552 VkBuffer dstBuffer, VkDeviceSize srcOffset, VkDeviceSize dstOffset, VkDeviceSize size,
553 VkQueue graphicsQueue) {
554 VkCommandBuffer commandBuffer = beginSingleTimeCommands(device, commandPool);
555
556 VkBufferCopy copyRegion = { srcOffset, dstOffset, size };
557 vkCmdCopyBuffer(commandBuffer, srcBuffer, dstBuffer, 1, &copyRegion);
558
559 endSingleTimeCommands(device, commandPool, commandBuffer, graphicsQueue);
560}
561
562bool VulkanUtils::hasStencilComponent(VkFormat format) {
563 return format == VK_FORMAT_D32_SFLOAT_S8_UINT || format == VK_FORMAT_D24_UNORM_S8_UINT;
564}
565
566void VulkanUtils::destroyVulkanImage(VkDevice& device, VulkanImage& image) {
567 vkDestroyImageView(device, image.imageView, nullptr);
568 vkDestroyImage(device, image.image, nullptr);
569 vkFreeMemory(device, image.imageMemory, nullptr);
570}
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