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Receive swap chain images.

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Marvin Blum
2021-06-10 23:53:16 +02:00
parent 9ab1361fbd
commit 4edaa1e63e
1 changed files with 13 additions and 5 deletions
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18
src/main.c
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@@ -16,6 +16,9 @@ typedef struct {
VkQueue graphicsQueue; VkQueue graphicsQueue;
VkQueue presentQueue; VkQueue presentQueue;
VkSwapchainKHR swapChain; VkSwapchainKHR swapChain;
VkImage* swapChainImages;
VkFormat swapChainImageFormat;
VkExtent2D swapChainExtent;
} VKEContext; } VKEContext;
typedef struct { typedef struct {
@@ -211,6 +214,8 @@ int vkeCreateSwapChain(VKEContext* ctx, VKEQueueFamilyIndices* queueFamilies, GL
} }
} }
ctx->swapChainImageFormat = format.format; // save for later use
// select present mode // select present mode
VkPresentModeKHR presentMode = VK_PRESENT_MODE_FIFO_KHR; VkPresentModeKHR presentMode = VK_PRESENT_MODE_FIFO_KHR;
@@ -222,17 +227,15 @@ int vkeCreateSwapChain(VKEContext* ctx, VKEQueueFamilyIndices* queueFamilies, GL
} }
// choose extent // choose extent
VkExtent2D extent;
if(capabilities.currentExtent.width != UINT32_MAX) { if(capabilities.currentExtent.width != UINT32_MAX) {
extent = capabilities.currentExtent; ctx->swapChainExtent = capabilities.currentExtent;
} else { } else {
int width, height; int width, height;
glfwGetFramebufferSize(window, &width, &height); glfwGetFramebufferSize(window, &width, &height);
VkExtent2D actualExtent = {width, height}; VkExtent2D actualExtent = {width, height};
actualExtent.width = max(capabilities.minImageExtent.width, min(capabilities.maxImageExtent.width, actualExtent.width)); actualExtent.width = max(capabilities.minImageExtent.width, min(capabilities.maxImageExtent.width, actualExtent.width));
actualExtent.height = max(capabilities.minImageExtent.height, min(capabilities.maxImageExtent.height, actualExtent.height)); actualExtent.height = max(capabilities.minImageExtent.height, min(capabilities.maxImageExtent.height, actualExtent.height));
extent = actualExtent; ctx->swapChainExtent = actualExtent;
} }
// select the image count // select the image count
@@ -249,7 +252,7 @@ int vkeCreateSwapChain(VKEContext* ctx, VKEQueueFamilyIndices* queueFamilies, GL
.minImageCount = imageCount, .minImageCount = imageCount,
.imageFormat = format.format, .imageFormat = format.format,
.imageColorSpace = format.colorSpace, .imageColorSpace = format.colorSpace,
.imageExtent = extent, .imageExtent = ctx->swapChainExtent,
.imageArrayLayers = 1, .imageArrayLayers = 1,
.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT, .imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR, .compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR,
@@ -274,6 +277,10 @@ int vkeCreateSwapChain(VKEContext* ctx, VKEQueueFamilyIndices* queueFamilies, GL
return -3; return -3;
} }
// receive swap chain images
vkGetSwapchainImagesKHR(ctx->device, ctx->swapChain, &imageCount, NULL);
ctx->swapChainImages = malloc(sizeof(VkImage)*imageCount);
vkGetSwapchainImagesKHR(ctx->device, ctx->swapChain, &imageCount, ctx->swapChainImages);
return 0; return 0;
} }
@@ -338,6 +345,7 @@ int vkeInit(VKEContext* ctx, VKEConfig* config, GLFWwindow* window) {
} }
void vkeDestroy(VKEContext* ctx) { void vkeDestroy(VKEContext* ctx) {
free(ctx->swapChainImages);
vkDestroySwapchainKHR(ctx->device, ctx->swapChain, NULL); vkDestroySwapchainKHR(ctx->device, ctx->swapChain, NULL);
vkDestroySurfaceKHR(ctx->instance, ctx->surface, NULL); vkDestroySurfaceKHR(ctx->instance, ctx->surface, NULL);
vkDestroyDevice(ctx->device, NULL); vkDestroyDevice(ctx->device, NULL);