Commit abba181118e3faafa6b5c942ee03e3ae6cffecf3
2021-08-23T20:18:57
testvulkan: support multiple windows. Fixes #4363.
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diff --git a/test/testvulkan.c b/test/testvulkan.c
index 19465bc..88707e2 100644
--- a/test/testvulkan.c
+++ b/test/testvulkan.c
@@ -174,6 +174,7 @@ static const char *getVulkanResultString(VkResult result)
typedef struct VulkanContext
{
+ SDL_Window *window;
VkInstance instance;
VkDevice device;
VkSurfaceKHR surface;
@@ -202,7 +203,8 @@ typedef struct VulkanContext
} VulkanContext;
static SDLTest_CommonState *state;
-static VulkanContext vulkanContext = {0};
+static VulkanContext *vulkanContexts = NULL; // an array of state->num_windows items
+static VulkanContext *vulkanContext = NULL; // for the currently-rendering window
static void shutdownVulkan(void);
@@ -277,11 +279,11 @@ static void createInstance(void)
}
instanceCreateInfo.enabledExtensionCount = extensionCount;
instanceCreateInfo.ppEnabledExtensionNames = extensions;
- result = vkCreateInstance(&instanceCreateInfo, NULL, &vulkanContext.instance);
+ result = vkCreateInstance(&instanceCreateInfo, NULL, &vulkanContext->instance);
SDL_free((void*)extensions);
if(result != VK_SUCCESS)
{
- vulkanContext.instance = VK_NULL_HANDLE;
+ vulkanContext->instance = VK_NULL_HANDLE;
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"vkCreateInstance(): %s\n",
getVulkanResultString(result));
@@ -294,7 +296,7 @@ static void loadInstanceFunctions(void)
#define VULKAN_DEVICE_FUNCTION(name)
#define VULKAN_GLOBAL_FUNCTION(name)
#define VULKAN_INSTANCE_FUNCTION(name) \
- name = (PFN_##name)vkGetInstanceProcAddr(vulkanContext.instance, #name); \
+ name = (PFN_##name)vkGetInstanceProcAddr(vulkanContext->instance, #name); \
if(!name) \
{ \
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, \
@@ -309,11 +311,11 @@ static void loadInstanceFunctions(void)
static void createSurface(void)
{
- if(!SDL_Vulkan_CreateSurface(state->windows[0],
- vulkanContext.instance,
- &vulkanContext.surface))
+ if(!SDL_Vulkan_CreateSurface(vulkanContext->window,
+ vulkanContext->instance,
+ &vulkanContext->surface))
{
- vulkanContext.surface = VK_NULL_HANDLE;
+ vulkanContext->surface = VK_NULL_HANDLE;
SDL_LogError(
SDL_LOG_CATEGORY_APPLICATION, "SDL_Vulkan_CreateSurface(): %s\n", SDL_GetError());
quit(2);
@@ -331,7 +333,7 @@ static void findPhysicalDevice(void)
uint32_t physicalDeviceIndex;
VkResult result =
- vkEnumeratePhysicalDevices(vulkanContext.instance, &physicalDeviceCount, NULL);
+ vkEnumeratePhysicalDevices(vulkanContext->instance, &physicalDeviceCount, NULL);
if(result != VK_SUCCESS)
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
@@ -352,7 +354,7 @@ static void findPhysicalDevice(void)
quit(2);
}
result =
- vkEnumeratePhysicalDevices(vulkanContext.instance, &physicalDeviceCount, physicalDevices);
+ vkEnumeratePhysicalDevices(vulkanContext->instance, &physicalDeviceCount, physicalDevices);
if(result != VK_SUCCESS)
{
SDL_free(physicalDevices);
@@ -361,7 +363,7 @@ static void findPhysicalDevice(void)
getVulkanResultString(result));
quit(2);
}
- vulkanContext.physicalDevice = NULL;
+ vulkanContext->physicalDevice = NULL;
for(physicalDeviceIndex = 0; physicalDeviceIndex < physicalDeviceCount;
physicalDeviceIndex++)
{
@@ -373,10 +375,10 @@ static void findPhysicalDevice(void)
VkPhysicalDevice physicalDevice = physicalDevices[physicalDeviceIndex];
- vkGetPhysicalDeviceProperties(physicalDevice, &vulkanContext.physicalDeviceProperties);
- if(VK_VERSION_MAJOR(vulkanContext.physicalDeviceProperties.apiVersion) < 1)
+ vkGetPhysicalDeviceProperties(physicalDevice, &vulkanContext->physicalDeviceProperties);
+ if(VK_VERSION_MAJOR(vulkanContext->physicalDeviceProperties.apiVersion) < 1)
continue;
- vkGetPhysicalDeviceFeatures(physicalDevice, &vulkanContext.physicalDeviceFeatures);
+ vkGetPhysicalDeviceFeatures(physicalDevice, &vulkanContext->physicalDeviceFeatures);
vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamiliesCount, NULL);
if(queueFamiliesCount == 0)
continue;
@@ -396,8 +398,8 @@ static void findPhysicalDevice(void)
}
vkGetPhysicalDeviceQueueFamilyProperties(
physicalDevice, &queueFamiliesCount, queueFamiliesProperties);
- vulkanContext.graphicsQueueFamilyIndex = queueFamiliesCount;
- vulkanContext.presentQueueFamilyIndex = queueFamiliesCount;
+ vulkanContext->graphicsQueueFamilyIndex = queueFamiliesCount;
+ vulkanContext->presentQueueFamilyIndex = queueFamiliesCount;
for(queueFamilyIndex = 0; queueFamilyIndex < queueFamiliesCount;
queueFamilyIndex++)
{
@@ -406,9 +408,9 @@ static void findPhysicalDevice(void)
if(queueFamiliesProperties[queueFamilyIndex].queueCount == 0)
continue;
if(queueFamiliesProperties[queueFamilyIndex].queueFlags & VK_QUEUE_GRAPHICS_BIT)
- vulkanContext.graphicsQueueFamilyIndex = queueFamilyIndex;
+ vulkanContext->graphicsQueueFamilyIndex = queueFamilyIndex;
result = vkGetPhysicalDeviceSurfaceSupportKHR(
- physicalDevice, queueFamilyIndex, vulkanContext.surface, &supported);
+ physicalDevice, queueFamilyIndex, vulkanContext->surface, &supported);
if(result != VK_SUCCESS)
{
SDL_free(physicalDevices);
@@ -421,14 +423,14 @@ static void findPhysicalDevice(void)
}
if(supported)
{
- vulkanContext.presentQueueFamilyIndex = queueFamilyIndex;
+ vulkanContext->presentQueueFamilyIndex = queueFamilyIndex;
if(queueFamiliesProperties[queueFamilyIndex].queueFlags & VK_QUEUE_GRAPHICS_BIT)
break; // use this queue because it can present and do graphics
}
}
- if(vulkanContext.graphicsQueueFamilyIndex == queueFamiliesCount) // no good queues found
+ if(vulkanContext->graphicsQueueFamilyIndex == queueFamiliesCount) // no good queues found
continue;
- if(vulkanContext.presentQueueFamilyIndex == queueFamiliesCount) // no good queues found
+ if(vulkanContext->presentQueueFamilyIndex == queueFamiliesCount) // no good queues found
continue;
result =
vkEnumerateDeviceExtensionProperties(physicalDevice, NULL, &deviceExtensionCount, NULL);
@@ -480,13 +482,13 @@ static void findPhysicalDevice(void)
}
if(!hasSwapchainExtension)
continue;
- vulkanContext.physicalDevice = physicalDevice;
+ vulkanContext->physicalDevice = physicalDevice;
break;
}
SDL_free(physicalDevices);
SDL_free(queueFamiliesProperties);
SDL_free(deviceExtensions);
- if(!vulkanContext.physicalDevice)
+ if(!vulkanContext->physicalDevice)
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Vulkan: no viable physical devices found");
quit(2);
@@ -504,7 +506,7 @@ static void createDevice(void)
VkResult result;
deviceQueueCreateInfo->sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
- deviceQueueCreateInfo->queueFamilyIndex = vulkanContext.graphicsQueueFamilyIndex;
+ deviceQueueCreateInfo->queueFamilyIndex = vulkanContext->graphicsQueueFamilyIndex;
deviceQueueCreateInfo->queueCount = 1;
deviceQueueCreateInfo->pQueuePriorities = &queuePriority[0];
@@ -515,10 +517,10 @@ static void createDevice(void)
deviceCreateInfo.enabledExtensionCount = SDL_arraysize(deviceExtensionNames);
deviceCreateInfo.ppEnabledExtensionNames = deviceExtensionNames;
result = vkCreateDevice(
- vulkanContext.physicalDevice, &deviceCreateInfo, NULL, &vulkanContext.device);
+ vulkanContext->physicalDevice, &deviceCreateInfo, NULL, &vulkanContext->device);
if(result != VK_SUCCESS)
{
- vulkanContext.device = VK_NULL_HANDLE;
+ vulkanContext->device = VK_NULL_HANDLE;
SDL_LogError(
SDL_LOG_CATEGORY_APPLICATION, "vkCreateDevice(): %s\n", getVulkanResultString(result));
quit(2);
@@ -528,7 +530,7 @@ static void createDevice(void)
static void loadDeviceFunctions(void)
{
#define VULKAN_DEVICE_FUNCTION(name) \
- name = (PFN_##name)vkGetDeviceProcAddr(vulkanContext.device, #name); \
+ name = (PFN_##name)vkGetDeviceProcAddr(vulkanContext->device, #name); \
if(!name) \
{ \
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, \
@@ -547,17 +549,17 @@ static void loadDeviceFunctions(void)
static void getQueues(void)
{
- vkGetDeviceQueue(vulkanContext.device,
- vulkanContext.graphicsQueueFamilyIndex,
+ vkGetDeviceQueue(vulkanContext->device,
+ vulkanContext->graphicsQueueFamilyIndex,
0,
- &vulkanContext.graphicsQueue);
- if(vulkanContext.graphicsQueueFamilyIndex != vulkanContext.presentQueueFamilyIndex)
- vkGetDeviceQueue(vulkanContext.device,
- vulkanContext.presentQueueFamilyIndex,
+ &vulkanContext->graphicsQueue);
+ if(vulkanContext->graphicsQueueFamilyIndex != vulkanContext->presentQueueFamilyIndex)
+ vkGetDeviceQueue(vulkanContext->device,
+ vulkanContext->presentQueueFamilyIndex,
0,
- &vulkanContext.presentQueue);
+ &vulkanContext->presentQueue);
else
- vulkanContext.presentQueue = vulkanContext.graphicsQueue;
+ vulkanContext->presentQueue = vulkanContext->graphicsQueue;
}
static void createSemaphore(VkSemaphore *semaphore)
@@ -566,7 +568,7 @@ static void createSemaphore(VkSemaphore *semaphore)
VkSemaphoreCreateInfo createInfo = {0};
createInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
- result = vkCreateSemaphore(vulkanContext.device, &createInfo, NULL, semaphore);
+ result = vkCreateSemaphore(vulkanContext->device, &createInfo, NULL, semaphore);
if(result != VK_SUCCESS)
{
*semaphore = VK_NULL_HANDLE;
@@ -579,14 +581,14 @@ static void createSemaphore(VkSemaphore *semaphore)
static void createSemaphores(void)
{
- createSemaphore(&vulkanContext.imageAvailableSemaphore);
- createSemaphore(&vulkanContext.renderingFinishedSemaphore);
+ createSemaphore(&vulkanContext->imageAvailableSemaphore);
+ createSemaphore(&vulkanContext->renderingFinishedSemaphore);
}
static void getSurfaceCaps(void)
{
VkResult result = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(
- vulkanContext.physicalDevice, vulkanContext.surface, &vulkanContext.surfaceCapabilities);
+ vulkanContext->physicalDevice, vulkanContext->surface, &vulkanContext->surfaceCapabilities);
if(result != VK_SUCCESS)
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
@@ -596,7 +598,7 @@ static void getSurfaceCaps(void)
}
// check surface usage
- if(!(vulkanContext.surfaceCapabilities.supportedUsageFlags & VK_IMAGE_USAGE_TRANSFER_DST_BIT))
+ if(!(vulkanContext->surfaceCapabilities.supportedUsageFlags & VK_IMAGE_USAGE_TRANSFER_DST_BIT))
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Vulkan surface doesn't support VK_IMAGE_USAGE_TRANSFER_DST_BIT\n");
@@ -606,38 +608,38 @@ static void getSurfaceCaps(void)
static void getSurfaceFormats(void)
{
- VkResult result = vkGetPhysicalDeviceSurfaceFormatsKHR(vulkanContext.physicalDevice,
- vulkanContext.surface,
- &vulkanContext.surfaceFormatsCount,
+ VkResult result = vkGetPhysicalDeviceSurfaceFormatsKHR(vulkanContext->physicalDevice,
+ vulkanContext->surface,
+ &vulkanContext->surfaceFormatsCount,
NULL);
if(result != VK_SUCCESS)
{
- vulkanContext.surfaceFormatsCount = 0;
+ vulkanContext->surfaceFormatsCount = 0;
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"vkGetPhysicalDeviceSurfaceFormatsKHR(): %s\n",
getVulkanResultString(result));
quit(2);
}
- if(vulkanContext.surfaceFormatsCount > vulkanContext.surfaceFormatsAllocatedCount)
+ if(vulkanContext->surfaceFormatsCount > vulkanContext->surfaceFormatsAllocatedCount)
{
- vulkanContext.surfaceFormatsAllocatedCount = vulkanContext.surfaceFormatsCount;
- SDL_free(vulkanContext.surfaceFormats);
- vulkanContext.surfaceFormats =
- SDL_malloc(sizeof(VkSurfaceFormatKHR) * vulkanContext.surfaceFormatsAllocatedCount);
- if(!vulkanContext.surfaceFormats)
+ vulkanContext->surfaceFormatsAllocatedCount = vulkanContext->surfaceFormatsCount;
+ SDL_free(vulkanContext->surfaceFormats);
+ vulkanContext->surfaceFormats =
+ SDL_malloc(sizeof(VkSurfaceFormatKHR) * vulkanContext->surfaceFormatsAllocatedCount);
+ if(!vulkanContext->surfaceFormats)
{
- vulkanContext.surfaceFormatsCount = 0;
+ vulkanContext->surfaceFormatsCount = 0;
SDL_OutOfMemory();
quit(2);
}
}
- result = vkGetPhysicalDeviceSurfaceFormatsKHR(vulkanContext.physicalDevice,
- vulkanContext.surface,
- &vulkanContext.surfaceFormatsCount,
- vulkanContext.surfaceFormats);
+ result = vkGetPhysicalDeviceSurfaceFormatsKHR(vulkanContext->physicalDevice,
+ vulkanContext->surface,
+ &vulkanContext->surfaceFormatsCount,
+ vulkanContext->surfaceFormats);
if(result != VK_SUCCESS)
{
- vulkanContext.surfaceFormatsCount = 0;
+ vulkanContext->surfaceFormatsCount = 0;
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"vkGetPhysicalDeviceSurfaceFormatsKHR(): %s\n",
getVulkanResultString(result));
@@ -649,33 +651,33 @@ static void getSwapchainImages(void)
{
VkResult result;
- SDL_free(vulkanContext.swapchainImages);
- vulkanContext.swapchainImages = NULL;
+ SDL_free(vulkanContext->swapchainImages);
+ vulkanContext->swapchainImages = NULL;
result = vkGetSwapchainImagesKHR(
- vulkanContext.device, vulkanContext.swapchain, &vulkanContext.swapchainImageCount, NULL);
+ vulkanContext->device, vulkanContext->swapchain, &vulkanContext->swapchainImageCount, NULL);
if(result != VK_SUCCESS)
{
- vulkanContext.swapchainImageCount = 0;
+ vulkanContext->swapchainImageCount = 0;
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"vkGetSwapchainImagesKHR(): %s\n",
getVulkanResultString(result));
quit(2);
}
- vulkanContext.swapchainImages = SDL_malloc(sizeof(VkImage) * vulkanContext.swapchainImageCount);
- if(!vulkanContext.swapchainImages)
+ vulkanContext->swapchainImages = SDL_malloc(sizeof(VkImage) * vulkanContext->swapchainImageCount);
+ if(!vulkanContext->swapchainImages)
{
SDL_OutOfMemory();
quit(2);
}
- result = vkGetSwapchainImagesKHR(vulkanContext.device,
- vulkanContext.swapchain,
- &vulkanContext.swapchainImageCount,
- vulkanContext.swapchainImages);
+ result = vkGetSwapchainImagesKHR(vulkanContext->device,
+ vulkanContext->swapchain,
+ &vulkanContext->swapchainImageCount,
+ vulkanContext->swapchainImages);
if(result != VK_SUCCESS)
{
- SDL_free(vulkanContext.swapchainImages);
- vulkanContext.swapchainImages = NULL;
- vulkanContext.swapchainImageCount = 0;
+ SDL_free(vulkanContext->swapchainImages);
+ vulkanContext->swapchainImages = NULL;
+ vulkanContext->swapchainImageCount = 0;
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"vkGetSwapchainImagesKHR(): %s\n",
getVulkanResultString(result));
@@ -691,69 +693,69 @@ static SDL_bool createSwapchain(void)
VkResult result;
// pick an image count
- vulkanContext.swapchainDesiredImageCount = vulkanContext.surfaceCapabilities.minImageCount + 1;
- if(vulkanContext.swapchainDesiredImageCount > vulkanContext.surfaceCapabilities.maxImageCount
- && vulkanContext.surfaceCapabilities.maxImageCount > 0)
- vulkanContext.swapchainDesiredImageCount = vulkanContext.surfaceCapabilities.maxImageCount;
+ vulkanContext->swapchainDesiredImageCount = vulkanContext->surfaceCapabilities.minImageCount + 1;
+ if(vulkanContext->swapchainDesiredImageCount > vulkanContext->surfaceCapabilities.maxImageCount
+ && vulkanContext->surfaceCapabilities.maxImageCount > 0)
+ vulkanContext->swapchainDesiredImageCount = vulkanContext->surfaceCapabilities.maxImageCount;
// pick a format
- if(vulkanContext.surfaceFormatsCount == 1
- && vulkanContext.surfaceFormats[0].format == VK_FORMAT_UNDEFINED)
+ if(vulkanContext->surfaceFormatsCount == 1
+ && vulkanContext->surfaceFormats[0].format == VK_FORMAT_UNDEFINED)
{
// aren't any preferred formats, so we pick
- vulkanContext.surfaceFormat.colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
- vulkanContext.surfaceFormat.format = VK_FORMAT_R8G8B8A8_UNORM;
+ vulkanContext->surfaceFormat.colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
+ vulkanContext->surfaceFormat.format = VK_FORMAT_R8G8B8A8_UNORM;
}
else
{
- vulkanContext.surfaceFormat = vulkanContext.surfaceFormats[0];
- for(i = 0; i < vulkanContext.surfaceFormatsCount; i++)
+ vulkanContext->surfaceFormat = vulkanContext->surfaceFormats[0];
+ for(i = 0; i < vulkanContext->surfaceFormatsCount; i++)
{
- if(vulkanContext.surfaceFormats[i].format == VK_FORMAT_R8G8B8A8_UNORM)
+ if(vulkanContext->surfaceFormats[i].format == VK_FORMAT_R8G8B8A8_UNORM)
{
- vulkanContext.surfaceFormat = vulkanContext.surfaceFormats[i];
+ vulkanContext->surfaceFormat = vulkanContext->surfaceFormats[i];
break;
}
}
}
// get size
- SDL_Vulkan_GetDrawableSize(state->windows[0], &w, &h);
+ SDL_Vulkan_GetDrawableSize(vulkanContext->window, &w, &h);
// Clamp the size to the allowable image extent.
// SDL_Vulkan_GetDrawableSize()'s result it not always in this range (bug #3287)
- vulkanContext.swapchainSize.width = SDL_clamp(w,
- vulkanContext.surfaceCapabilities.minImageExtent.width,
- vulkanContext.surfaceCapabilities.maxImageExtent.width);
+ vulkanContext->swapchainSize.width = SDL_clamp(w,
+ vulkanContext->surfaceCapabilities.minImageExtent.width,
+ vulkanContext->surfaceCapabilities.maxImageExtent.width);
- vulkanContext.swapchainSize.height = SDL_clamp(h,
- vulkanContext.surfaceCapabilities.minImageExtent.height,
- vulkanContext.surfaceCapabilities.maxImageExtent.height);
+ vulkanContext->swapchainSize.height = SDL_clamp(h,
+ vulkanContext->surfaceCapabilities.minImageExtent.height,
+ vulkanContext->surfaceCapabilities.maxImageExtent.height);
if(w == 0 || h == 0)
return SDL_FALSE;
createInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
- createInfo.surface = vulkanContext.surface;
- createInfo.minImageCount = vulkanContext.swapchainDesiredImageCount;
- createInfo.imageFormat = vulkanContext.surfaceFormat.format;
- createInfo.imageColorSpace = vulkanContext.surfaceFormat.colorSpace;
- createInfo.imageExtent = vulkanContext.swapchainSize;
+ createInfo.surface = vulkanContext->surface;
+ createInfo.minImageCount = vulkanContext->swapchainDesiredImageCount;
+ createInfo.imageFormat = vulkanContext->surfaceFormat.format;
+ createInfo.imageColorSpace = vulkanContext->surfaceFormat.colorSpace;
+ createInfo.imageExtent = vulkanContext->swapchainSize;
createInfo.imageArrayLayers = 1;
createInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
createInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
- createInfo.preTransform = vulkanContext.surfaceCapabilities.currentTransform;
+ createInfo.preTransform = vulkanContext->surfaceCapabilities.currentTransform;
createInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
createInfo.presentMode = VK_PRESENT_MODE_FIFO_KHR;
createInfo.clipped = VK_TRUE;
- createInfo.oldSwapchain = vulkanContext.swapchain;
+ createInfo.oldSwapchain = vulkanContext->swapchain;
result =
- vkCreateSwapchainKHR(vulkanContext.device, &createInfo, NULL, &vulkanContext.swapchain);
+ vkCreateSwapchainKHR(vulkanContext->device, &createInfo, NULL, &vulkanContext->swapchain);
if(createInfo.oldSwapchain)
- vkDestroySwapchainKHR(vulkanContext.device, createInfo.oldSwapchain, NULL);
+ vkDestroySwapchainKHR(vulkanContext->device, createInfo.oldSwapchain, NULL);
if(result != VK_SUCCESS)
{
- vulkanContext.swapchain = VK_NULL_HANDLE;
+ vulkanContext->swapchain = VK_NULL_HANDLE;
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"vkCreateSwapchainKHR(): %s\n",
getVulkanResultString(result));
@@ -765,29 +767,29 @@ static SDL_bool createSwapchain(void)
static void destroySwapchain(void)
{
- if(vulkanContext.swapchain)
- vkDestroySwapchainKHR(vulkanContext.device, vulkanContext.swapchain, NULL);
- vulkanContext.swapchain = VK_NULL_HANDLE;
- SDL_free(vulkanContext.swapchainImages);
- vulkanContext.swapchainImages = NULL;
+ if(vulkanContext->swapchain)
+ vkDestroySwapchainKHR(vulkanContext->device, vulkanContext->swapchain, NULL);
+ vulkanContext->swapchain = VK_NULL_HANDLE;
+ SDL_free(vulkanContext->swapchainImages);
+ vulkanContext->swapchainImages = NULL;
}
static void destroyCommandBuffers(void)
{
- if(vulkanContext.commandBuffers)
- vkFreeCommandBuffers(vulkanContext.device,
- vulkanContext.commandPool,
- vulkanContext.swapchainImageCount,
- vulkanContext.commandBuffers);
- SDL_free(vulkanContext.commandBuffers);
- vulkanContext.commandBuffers = NULL;
+ if(vulkanContext->commandBuffers)
+ vkFreeCommandBuffers(vulkanContext->device,
+ vulkanContext->commandPool,
+ vulkanContext->swapchainImageCount,
+ vulkanContext->commandBuffers);
+ SDL_free(vulkanContext->commandBuffers);
+ vulkanContext->commandBuffers = NULL;
}
static void destroyCommandPool(void)
{
- if(vulkanContext.commandPool)
- vkDestroyCommandPool(vulkanContext.device, vulkanContext.commandPool, NULL);
- vulkanContext.commandPool = VK_NULL_HANDLE;
+ if(vulkanContext->commandPool)
+ vkDestroyCommandPool(vulkanContext->device, vulkanContext->commandPool, NULL);
+ vulkanContext->commandPool = VK_NULL_HANDLE;
}
static void createCommandPool(void)
@@ -798,12 +800,12 @@ static void createCommandPool(void)
createInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
createInfo.flags =
VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT | VK_COMMAND_POOL_CREATE_TRANSIENT_BIT;
- createInfo.queueFamilyIndex = vulkanContext.graphicsQueueFamilyIndex;
+ createInfo.queueFamilyIndex = vulkanContext->graphicsQueueFamilyIndex;
result =
- vkCreateCommandPool(vulkanContext.device, &createInfo, NULL, &vulkanContext.commandPool);
+ vkCreateCommandPool(vulkanContext->device, &createInfo, NULL, &vulkanContext->commandPool);
if(result != VK_SUCCESS)
{
- vulkanContext.commandPool = VK_NULL_HANDLE;
+ vulkanContext->commandPool = VK_NULL_HANDLE;
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"vkCreateCommandPool(): %s\n",
getVulkanResultString(result));
@@ -817,17 +819,17 @@ static void createCommandBuffers(void)
VkCommandBufferAllocateInfo allocateInfo = {0};
allocateInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
- allocateInfo.commandPool = vulkanContext.commandPool;
+ allocateInfo.commandPool = vulkanContext->commandPool;
allocateInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
- allocateInfo.commandBufferCount = vulkanContext.swapchainImageCount;
- vulkanContext.commandBuffers =
- SDL_malloc(sizeof(VkCommandBuffer) * vulkanContext.swapchainImageCount);
+ allocateInfo.commandBufferCount = vulkanContext->swapchainImageCount;
+ vulkanContext->commandBuffers =
+ SDL_malloc(sizeof(VkCommandBuffer) * vulkanContext->swapchainImageCount);
result =
- vkAllocateCommandBuffers(vulkanContext.device, &allocateInfo, vulkanContext.commandBuffers);
+ vkAllocateCommandBuffers(vulkanContext->device, &allocateInfo, vulkanContext->commandBuffers);
if(result != VK_SUCCESS)
{
- SDL_free(vulkanContext.commandBuffers);
- vulkanContext.commandBuffers = NULL;
+ SDL_free(vulkanContext->commandBuffers);
+ vulkanContext->commandBuffers = NULL;
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"vkAllocateCommandBuffers(): %s\n",
getVulkanResultString(result));
@@ -839,13 +841,13 @@ static void createFences(void)
{
uint32_t i;
- vulkanContext.fences = SDL_malloc(sizeof(VkFence) * vulkanContext.swapchainImageCount);
- if(!vulkanContext.fences)
+ vulkanContext->fences = SDL_malloc(sizeof(VkFence) * vulkanContext->swapchainImageCount);
+ if(!vulkanContext->fences)
{
SDL_OutOfMemory();
quit(2);
}
- for(i = 0; i < vulkanContext.swapchainImageCount; i++)
+ for(i = 0; i < vulkanContext->swapchainImageCount; i++)
{
VkResult result;
@@ -853,15 +855,15 @@ static void createFences(void)
createInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
createInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
result =
- vkCreateFence(vulkanContext.device, &createInfo, NULL, &vulkanContext.fences[i]);
+ vkCreateFence(vulkanContext->device, &createInfo, NULL, &vulkanContext->fences[i]);
if(result != VK_SUCCESS)
{
for(; i > 0; i--)
{
- vkDestroyFence(vulkanContext.device, vulkanContext.fences[i - 1], NULL);
+ vkDestroyFence(vulkanContext->device, vulkanContext->fences[i - 1], NULL);
}
- SDL_free(vulkanContext.fences);
- vulkanContext.fences = NULL;
+ SDL_free(vulkanContext->fences);
+ vulkanContext->fences = NULL;
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"vkCreateFence(): %s\n",
getVulkanResultString(result));
@@ -874,14 +876,14 @@ static void destroyFences(void)
{
uint32_t i;
- if(!vulkanContext.fences)
+ if(!vulkanContext->fences)
return;
- for(i = 0; i < vulkanContext.swapchainImageCount; i++)
+ for(i = 0; i < vulkanContext->swapchainImageCount; i++)
{
- vkDestroyFence(vulkanContext.device, vulkanContext.fences[i], NULL);
+ vkDestroyFence(vulkanContext->device, vulkanContext->fences[i], NULL);
}
- SDL_free(vulkanContext.fences);
- vulkanContext.fences = NULL;
+ SDL_free(vulkanContext->fences);
+ vulkanContext->fences = NULL;
}
static void recordPipelineImageBarrier(VkCommandBuffer commandBuffer,
@@ -919,8 +921,8 @@ static void recordPipelineImageBarrier(VkCommandBuffer commandBuffer,
static void rerecordCommandBuffer(uint32_t frameIndex, const VkClearColorValue *clearColor)
{
- VkCommandBuffer commandBuffer = vulkanContext.commandBuffers[frameIndex];
- VkImage image = vulkanContext.swapchainImages[frameIndex];
+ VkCommandBuffer commandBuffer = vulkanContext->commandBuffers[frameIndex];
+ VkImage image = vulkanContext->swapchainImages[frameIndex];
VkCommandBufferBeginInfo beginInfo = {0};
VkImageSubresourceRange clearRange = {0};
@@ -995,36 +997,57 @@ static SDL_bool createNewSwapchainAndSwapchainSpecificStuff(void)
static void initVulkan(void)
{
+ int i;
+
SDL_Vulkan_LoadLibrary(NULL);
- SDL_memset(&vulkanContext, 0, sizeof(VulkanContext));
- loadGlobalFunctions();
- createInstance();
- loadInstanceFunctions();
- createSurface();
- findPhysicalDevice();
- createDevice();
- loadDeviceFunctions();
- getQueues();
- createSemaphores();
- createNewSwapchainAndSwapchainSpecificStuff();
+
+ vulkanContexts = (VulkanContext *) SDL_calloc(state->num_windows, sizeof (VulkanContext));
+ if (!vulkanContexts) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Out of memory!");
+ quit(2);
+ }
+
+ for (i = 0; i < state->num_windows; ++i) {
+ vulkanContext = &vulkanContexts[i];
+ vulkanContext->window = state->windows[i];
+ loadGlobalFunctions();
+ createInstance();
+ loadInstanceFunctions();
+ createSurface();
+ findPhysicalDevice();
+ createDevice();
+ loadDeviceFunctions();
+ getQueues();
+ createSemaphores();
+ createNewSwapchainAndSwapchainSpecificStuff();
+ }
}
static void shutdownVulkan(void)
{
- if(vulkanContext.device && vkDeviceWaitIdle)
- vkDeviceWaitIdle(vulkanContext.device);
- destroySwapchainAndSwapchainSpecificStuff(SDL_TRUE);
- if(vulkanContext.imageAvailableSemaphore && vkDestroySemaphore)
- vkDestroySemaphore(vulkanContext.device, vulkanContext.imageAvailableSemaphore, NULL);
- if(vulkanContext.renderingFinishedSemaphore && vkDestroySemaphore)
- vkDestroySemaphore(vulkanContext.device, vulkanContext.renderingFinishedSemaphore, NULL);
- if(vulkanContext.device && vkDestroyDevice)
- vkDestroyDevice(vulkanContext.device, NULL);
- if(vulkanContext.surface && vkDestroySurfaceKHR)
- vkDestroySurfaceKHR(vulkanContext.instance, vulkanContext.surface, NULL);
- if(vulkanContext.instance && vkDestroyInstance)
- vkDestroyInstance(vulkanContext.instance, NULL);
- SDL_free(vulkanContext.surfaceFormats);
+ if (vulkanContexts) {
+ int i;
+ for (i = 0; i < state->num_windows; ++i) {
+ vulkanContext = &vulkanContexts[i];
+ if(vulkanContext->device && vkDeviceWaitIdle)
+ vkDeviceWaitIdle(vulkanContext->device);
+ destroySwapchainAndSwapchainSpecificStuff(SDL_TRUE);
+ if(vulkanContext->imageAvailableSemaphore && vkDestroySemaphore)
+ vkDestroySemaphore(vulkanContext->device, vulkanContext->imageAvailableSemaphore, NULL);
+ if(vulkanContext->renderingFinishedSemaphore && vkDestroySemaphore)
+ vkDestroySemaphore(vulkanContext->device, vulkanContext->renderingFinishedSemaphore, NULL);
+ if(vulkanContext->device && vkDestroyDevice)
+ vkDestroyDevice(vulkanContext->device, NULL);
+ if(vulkanContext->surface && vkDestroySurfaceKHR)
+ vkDestroySurfaceKHR(vulkanContext->instance, vulkanContext->surface, NULL);
+ if(vulkanContext->instance && vkDestroyInstance)
+ vkDestroyInstance(vulkanContext->instance, NULL);
+ SDL_free(vulkanContext->surfaceFormats);
+ }
+ SDL_free(vulkanContexts);
+ vulkanContexts = NULL;
+ }
+
SDL_Vulkan_UnloadLibrary();
}
@@ -1039,17 +1062,17 @@ static SDL_bool render(void)
VkPresentInfoKHR presentInfo = {0};
int w, h;
- if(!vulkanContext.swapchain)
+ if(!vulkanContext->swapchain)
{
SDL_bool retval = createNewSwapchainAndSwapchainSpecificStuff();
if(!retval)
SDL_Delay(100);
return retval;
}
- result = vkAcquireNextImageKHR(vulkanContext.device,
- vulkanContext.swapchain,
+ result = vkAcquireNextImageKHR(vulkanContext->device,
+ vulkanContext->swapchain,
UINT64_MAX,
- vulkanContext.imageAvailableSemaphore,
+ vulkanContext->imageAvailableSemaphore,
VK_NULL_HANDLE,
&frameIndex);
if(result == VK_ERROR_OUT_OF_DATE_KHR)
@@ -1062,14 +1085,14 @@ static SDL_bool render(void)
quit(2);
}
result = vkWaitForFences(
- vulkanContext.device, 1, &vulkanContext.fences[frameIndex], VK_FALSE, UINT64_MAX);
+ vulkanContext->device, 1, &vulkanContext->fences[frameIndex], VK_FALSE, UINT64_MAX);
if(result != VK_SUCCESS)
{
SDL_LogError(
SDL_LOG_CATEGORY_APPLICATION, "vkWaitForFences(): %s\n", getVulkanResultString(result));
quit(2);
}
- result = vkResetFences(vulkanContext.device, 1, &vulkanContext.fences[frameIndex]);
+ result = vkResetFences(vulkanContext->device, 1, &vulkanContext->fences[frameIndex]);
if(result != VK_SUCCESS)
{
SDL_LogError(
@@ -1084,14 +1107,14 @@ static SDL_bool render(void)
rerecordCommandBuffer(frameIndex, &clearColor);
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submitInfo.waitSemaphoreCount = 1;
- submitInfo.pWaitSemaphores = &vulkanContext.imageAvailableSemaphore;
+ submitInfo.pWaitSemaphores = &vulkanContext->imageAvailableSemaphore;
submitInfo.pWaitDstStageMask = &waitDestStageMask;
submitInfo.commandBufferCount = 1;
- submitInfo.pCommandBuffers = &vulkanContext.commandBuffers[frameIndex];
+ submitInfo.pCommandBuffers = &vulkanContext->commandBuffers[frameIndex];
submitInfo.signalSemaphoreCount = 1;
- submitInfo.pSignalSemaphores = &vulkanContext.renderingFinishedSemaphore;
+ submitInfo.pSignalSemaphores = &vulkanContext->renderingFinishedSemaphore;
result = vkQueueSubmit(
- vulkanContext.graphicsQueue, 1, &submitInfo, vulkanContext.fences[frameIndex]);
+ vulkanContext->graphicsQueue, 1, &submitInfo, vulkanContext->fences[frameIndex]);
if(result != VK_SUCCESS)
{
SDL_LogError(
@@ -1100,11 +1123,11 @@ static SDL_bool render(void)
}
presentInfo.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
presentInfo.waitSemaphoreCount = 1;
- presentInfo.pWaitSemaphores = &vulkanContext.renderingFinishedSemaphore;
+ presentInfo.pWaitSemaphores = &vulkanContext->renderingFinishedSemaphore;
presentInfo.swapchainCount = 1;
- presentInfo.pSwapchains = &vulkanContext.swapchain;
+ presentInfo.pSwapchains = &vulkanContext->swapchain;
presentInfo.pImageIndices = &frameIndex;
- result = vkQueuePresentKHR(vulkanContext.presentQueue, &presentInfo);
+ result = vkQueuePresentKHR(vulkanContext->presentQueue, &presentInfo);
if(result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR)
{
return createNewSwapchainAndSwapchainSpecificStuff();
@@ -1116,8 +1139,8 @@ static SDL_bool render(void)
getVulkanResultString(result));
quit(2);
}
- SDL_Vulkan_GetDrawableSize(state->windows[0], &w, &h);
- if(w != (int)vulkanContext.swapchainSize.width || h != (int)vulkanContext.swapchainSize.height)
+ SDL_Vulkan_GetDrawableSize(vulkanContext->window, &w, &h);
+ if(w != (int)vulkanContext->swapchainSize.width || h != (int)vulkanContext->swapchainSize.height)
{
return createNewSwapchainAndSwapchainSpecificStuff();
}
@@ -1144,7 +1167,6 @@ int main(int argc, char *argv[])
/* Set Vulkan parameters */
state->window_flags |= SDL_WINDOW_VULKAN;
- state->num_windows = 1;
state->skip_renderer = 1;
if (!SDLTest_CommonDefaultArgs(state, argc, argv) || !SDLTest_CommonInit(state)) {
@@ -1170,13 +1192,20 @@ int main(int argc, char *argv[])
{
/* Check for events */
++frames;
- while(SDL_PollEvent(&event))
+ while(SDL_PollEvent(&event)) /* !!! FIXME: fix coding conventions with braces and spaces */
{
SDLTest_CommonEvent(state, &event, &done);
}
- if(!done)
- render();
+ if (!done) {
+ int i;
+ for (i = 0; i < state->num_windows; ++i) {
+ if (state->windows[i]) {
+ vulkanContext = &vulkanContexts[i];
+ render();
+ }
+ }
+ }
}
/* Print out some timing information */