icd: Make swapchain images persistent

1 files changed, 21 insertions, 9 deletions

diff --git a/scripts/mock_icd_generator.py b/scripts/mock_icd_generator.py
index 2f33d437..0b1062cf 100644
--- a/scripts/mock_icd_generator.py
+++ b/scripts/mock_icd_generator.py
@@ -64,6 +64,9 @@ static VkPhysicalDevice physical_device = (VkPhysicalDevice)CreateDispObjHandle(
 static unordered_map<VkDevice, unordered_map<uint32_t, unordered_map<uint32_t, VkQueue>>> queue_map;
 static unordered_map<VkDevice, unordered_map<VkBuffer, VkBufferCreateInfo>> buffer_map;
 
+static constexpr uint32_t icd_swapchain_image_count = 1;
+static std::unordered_map<VkSwapchainKHR, VkImage[icd_swapchain_image_count]> swapchain_image_map;
+
 // TODO: Would like to codegen this but limits aren't in XML
 static VkPhysicalDeviceLimits SetLimits(VkPhysicalDeviceLimits *limits) {
     limits->maxImageDimension1D = 4096;
@@ -876,23 +879,32 @@ CUSTOM_C_INTERCEPTS = {
     mapped_memory_map.erase(memory);
 ''',
 'vkGetImageSubresourceLayout': '''
-    // Need safe values. Callers are computing memory offsets from pLayout, with no return code to flag failure. 
+    // Need safe values. Callers are computing memory offsets from pLayout, with no return code to flag failure.
     *pLayout = VkSubresourceLayout(); // Default constructor zero values.
 ''',
+'vkCreateSwapchainKHR': '''
+    unique_lock_t lock(global_lock);
+    *pSwapchain = (VkSwapchainKHR)global_unique_handle++;
+    for(uint32_t i = 0; i < icd_swapchain_image_count; ++i){
+        swapchain_image_map[*pSwapchain][i] = (VkImage)global_unique_handle++;
+    }
+    return VK_SUCCESS;
+''',
+'vkDestroySwapchainKHR': '''
+    unique_lock_t lock(global_lock);
+    swapchain_image_map.clear();
+''',
 'vkGetSwapchainImagesKHR': '''
-    constexpr uint32_t icd_image_count = 1;
-
     if (!pSwapchainImages) {
-        *pSwapchainImageCount = icd_image_count;
+        *pSwapchainImageCount = icd_swapchain_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++;
+        for (uint32_t img_i = 0; img_i < (std::min)(*pSwapchainImageCount, icd_swapchain_image_count); ++img_i){
+            pSwapchainImages[img_i] = swapchain_image_map.at(swapchain)[img_i];
         }
 
-        if (*pSwapchainImageCount < icd_image_count) return VK_INCOMPLETE;
-        else if (*pSwapchainImageCount > icd_image_count) *pSwapchainImageCount = icd_image_count;
+        if (*pSwapchainImageCount < icd_swapchain_image_count) return VK_INCOMPLETE;
+        else if (*pSwapchainImageCount > icd_swapchain_image_count) *pSwapchainImageCount = icd_swapchain_image_count;
     }
     return VK_SUCCESS;
 ''',