vulkan: Temporarily hack around loader/driver mismatch

A driver was built with an older declaration of
vkGetSwapchainGrallocUsage2KHR, and doesn't match what libvulkan
expects. This is a temporary workaround until the driver can be
rebuilt against the current header. When a new driver is available,
this change should be reverted.

Test: vulkanGears on affected device
Change-Id: I5a8bb16f0f9563e32314cff2a2a7a45760cfc356
diff --git a/vulkan/libvulkan/swapchain.cpp b/vulkan/libvulkan/swapchain.cpp
index e18968c..c11d20f 100644
--- a/vulkan/libvulkan/swapchain.cpp
+++ b/vulkan/libvulkan/swapchain.cpp
@@ -813,9 +813,25 @@
     int gralloc_usage = 0;
     if (dispatch.GetSwapchainGrallocUsage2ANDROID) {
         uint64_t consumer_usage, producer_usage;
-        result = dispatch.GetSwapchainGrallocUsage2ANDROID(
-            device, create_info->imageFormat, create_info->imageUsage,
-            swapchain_image_usage, &consumer_usage, &producer_usage);
+        if (GetData(device).driver_version == 256587285) {
+            // HACK workaround for loader/driver mismatch during transition to
+            // vkGetSwapchainGrallocUsage2ANDROID.
+            typedef VkResult(VKAPI_PTR *
+                             PFN_vkGetSwapchainGrallocUsage2ANDROID_HACK)(
+                VkDevice device, VkFormat format, VkImageUsageFlags imageUsage,
+                uint64_t * grallocConsumerUsage,
+                uint64_t * grallocProducerUsage);
+            auto get_swapchain_gralloc_usage =
+                reinterpret_cast<PFN_vkGetSwapchainGrallocUsage2ANDROID_HACK>(
+                    dispatch.GetSwapchainGrallocUsage2ANDROID);
+            result = get_swapchain_gralloc_usage(
+                device, create_info->imageFormat, create_info->imageUsage,
+                &consumer_usage, &producer_usage);
+        } else {
+            result = dispatch.GetSwapchainGrallocUsage2ANDROID(
+                device, create_info->imageFormat, create_info->imageUsage,
+                swapchain_image_usage, &consumer_usage, &producer_usage);
+        }
         if (result != VK_SUCCESS) {
             ALOGE("vkGetSwapchainGrallocUsage2ANDROID failed: %d", result);
             return VK_ERROR_INITIALIZATION_FAILED;