X-Git-Url: https://eleni.mutantstargoat.com/git/?p=vkrt;a=blobdiff_plain;f=src%2Fvk.c;h=81e0f516b19069dcac2b7cff19dc49b55b40ec42;hp=4e3aa1c3bba7e5942b99905ec828366ab3c2e3ad;hb=526b6a7f13b31bab2b022eb9f74ec653ce4d4cd0;hpb=04881c8da046dfd0b56c42b1dfb81b8a06398c46

diff --git a/src/vk.c b/src/vk.c
index 4e3aa1c..81e0f51 100644
--- a/src/vk.c
+++ b/src/vk.c
@@ -1750,6 +1750,59 @@ vk_clear_color(struct vk_ctx *ctx,
 		vkQueueWaitIdle(ctx->queue);
 }
 
+bool
+vk_create_swapchain(struct vk_ctx *ctx,
+                    int width, int height,
+                    int num_qfam,
+                    struct vk_swapchain *swapchain)
+{
+    VkSwapchainCreateInfoKHR s_info;
+    VkExtent2D extent;
+
+    extent.width = width;
+    extent.height = height;
+
+    memset(&s_info, 0, sizeof s_info);
+
+    s_info.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
+    s_info.flags = 0;
+    s_info.surface = swapchain->surface;
+    s_info.minImageCount = 2;
+    s_info.imageFormat = VK_FORMAT_R32G32B32A32_SFLOAT;
+    s_info.imageColorSpace = VK_COLOR_SPACE_SRGB_NONLINEAR_KHR;
+    s_info.imageExtent = extent;
+    s_info.imageArrayLayers = 1;
+    s_info.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
+                        VK_IMAGE_USAGE_SAMPLED_BIT |
+                        VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
+                        VK_IMAGE_USAGE_TRANSFER_DST_BIT;
+
+    s_info.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
+    s_info.queueFamilyIndexCount = num_qfam; /* how many queue families */
+
+    s_info.preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
+    s_info.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
+    s_info.presentMode = VK_PRESENT_MODE_FIFO_KHR;
+    s_info.clipped = VK_TRUE;
+    s_info.oldSwapchain = VK_NULL_HANDLE;
+
+    if (vkCreateSwapchainKHR(ctx->dev, &s_info, 0,
+                             &swapchain->swapchain) != VK_SUCCESS) {
+        fprintf(stderr, "Failed to create a swapchain.\n");
+        return false;
+    }
+
+    return true;
+}
+
+void
+vk_destroy_swapchain(struct vk_ctx *ctx,
+                     struct vk_swapchain *swapchain)
+{
+    vkDestroySwapchainKHR(ctx->dev, swapchain->swapchain, 0);
+    vkDestroySurfaceKHR(ctx->inst, swapchain->surface, 0);
+}
+
 void
 vk_copy_image_to_buffer(struct vk_ctx *ctx,
                         struct vk_image_att *src_img,