dolphin: support Vulkan swapchains with more than eight images

Author: mattakins

Source/Core/DolphinLibretro/Vulkan.cpp

@@ -77,16 +77,17 @@ static struct
 } initInfo;
 static bool DEDICATED_ALLOCATION;
 
-#define VULKAN_MAX_SWAPCHAIN_IMAGES 8
+struct VkSwapchainImage
+{
+  VkImage handle;
+  VkDeviceMemory memory;
+  retro_vulkan_image retro_image;
+};
+
 struct VkSwapchainKHR_T
 {
   uint32_t count;
-  struct
-  {
-    VkImage handle;
-    VkDeviceMemory memory;
-    retro_vulkan_image retro_image;
-  } images[VULKAN_MAX_SWAPCHAIN_IMAGES];
+  std::vector<VkSwapchainImage> images;
   std::mutex mutex;
   std::condition_variable condVar;
   int current_index;
@@ -270,7 +271,7 @@ vkCreateSwapchainKHR(VkDevice device, const VkSwapchainCreateInfoKHR* pCreateInf
     chain.count++;
     swapchain_mask >>= 1;
   }
-  assert(chain.count <= VULKAN_MAX_SWAPCHAIN_IMAGES);
+  chain.images.resize(chain.count);
 
   for (uint32_t i = 0; i < chain.count; i++)
   {
@@ -448,7 +449,7 @@ static VKAPI_ATTR void VKAPI_CALL vkDestroySwapchainKHR(VkDevice device, VkSwapc
     vkFreeMemory(device, chain.images[i].memory, pAllocator);
   }
 
-  memset(&chain.images, 0x00, sizeof(chain.images));
+  chain.images.clear();
   chain.count = 0;
   chain.current_index = -1;
 }