From a7aff240f9ca6fae712139bb11303d5231fd8206 Mon Sep 17 00:00:00 2001
From: Petr Kraus <petr_kraus@email.cz>
Date: Wed, 8 Apr 2020 20:57:14 +0200
Subject: icd: Fix vkGetSwapchainImages behavior

- add missing lock
- return correct values via return and count
---
 icd/generated/mock_icd.cpp | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

(limited to 'icd/generated')

diff --git a/icd/generated/mock_icd.cpp b/icd/generated/mock_icd.cpp
index cad7dd81..7a34a144 100644
--- a/icd/generated/mock_icd.cpp
+++ b/icd/generated/mock_icd.cpp
@@ -21,6 +21,7 @@
 
 #include "mock_icd.h"
 #include <stdlib.h>
+#include <algorithm>
 #include <vector>
 #include "vk_typemap_helper.h"
 namespace vkmock {
@@ -2141,13 +2142,19 @@ static VKAPI_ATTR VkResult VKAPI_CALL GetSwapchainImagesKHR(
     uint32_t*                                   pSwapchainImageCount,
     VkImage*                                    pSwapchainImages)
 {
+    constexpr uint32_t icd_image_count = 1;
+
     if (!pSwapchainImages) {
-        *pSwapchainImageCount = 1;
-    } else if (*pSwapchainImageCount > 0) {
-        pSwapchainImages[0] = (VkImage)global_unique_handle++;
-        if (*pSwapchainImageCount != 1) {
-            return VK_INCOMPLETE;
+        *pSwapchainImageCount = icd_image_count;
+    } else {
+        unique_lock_t lock(global_lock);
+        for (uint32_t img_i = 0; img_i < (std::min)(*pSwapchainImageCount, icd_image_count); ++img_i){
+            // For simplicity always returns new handles, which is wrong
+            pSwapchainImages[img_i] = (VkImage)global_unique_handle++;
         }
+
+        if (*pSwapchainImageCount < icd_image_count) return VK_INCOMPLETE;
+        else if (*pSwapchainImageCount > icd_image_count) *pSwapchainImageCount = icd_image_count;
     }
     return VK_SUCCESS;
 }
-- 
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