From 1818420a8e9033de320b0aac091c90f884c05924 Mon Sep 17 00:00:00 2001
From: Jon Ashburn <jon@lunarg.com>
Date: Thu, 7 May 2015 10:27:37 -0600
Subject: layers: Add initialization of instance dispatch table

Make the layer init  separate from either device or instance dispatch
table init, since these are done at different times.
---
 layers/draw_state.cpp | 37 +++++++++++++++++++++++++------------
 1 file changed, 25 insertions(+), 12 deletions(-)

(limited to 'layers/draw_state.cpp')

diff --git a/layers/draw_state.cpp b/layers/draw_state.cpp
index 95fa1f5e..cedf652b 100755
--- a/layers/draw_state.cpp
+++ b/layers/draw_state.cpp
@@ -59,8 +59,12 @@ unordered_map<VkRenderPass, VkRenderPassCreateInfo*> renderPassMap;
 unordered_map<VkFramebuffer, VkFramebufferCreateInfo*> frameBufferMap;
 
 static VkLayerDispatchTable nextTable;
+static VkLayerInstanceDispatchTable nextInstanceTable;
 static VkBaseLayerObject *pCurObj;
 static LOADER_PLATFORM_THREAD_ONCE_DECLARATION(g_initOnce);
+static LOADER_PLATFORM_THREAD_ONCE_DECLARATION(g_tabDeviceOnce);
+static LOADER_PLATFORM_THREAD_ONCE_DECLARATION(g_tabInstanceOnce);
+
 // TODO : This can be much smarter, using separate locks for separate global data
 static int globalLockInitialized = 0;
 static loader_platform_thread_mutex globalLock;
@@ -1438,6 +1442,23 @@ static void synchAndPrintDSConfig(const VkCmdBuffer cb)
     }
 }
 
+// TODO handle multiple GPUs/instances for both instance and device dispatch tables
+static void initDeviceTable(void)
+{
+    PFN_vkGetProcAddr fpNextGPA;
+    fpNextGPA = (PFN_vkGetProcAddr) pCurObj->pGPA;
+    assert(fpNextGPA);
+    layer_initialize_dispatch_table(&nextTable, fpNextGPA, (VkPhysicalDevice) pCurObj->nextObject);
+}
+
+static void initInstanceTable(void)
+{
+    PFN_vkGetInstanceProcAddr fpNextGPA;
+    fpNextGPA = (PFN_vkGetInstanceProcAddr) pCurObj->pGPA;
+    assert(fpNextGPA);
+    layer_init_instance_dispatch_table(&nextInstanceTable, fpNextGPA, (VkInstance) pCurObj->nextObject);
+}
+
 static void initDrawState(void)
 {
     const char *strOpt;
@@ -1455,13 +1476,6 @@ static void initDrawState(void)
         if (g_logFile == NULL)
             g_logFile = stdout;
     }
-    // initialize Layer dispatch table
-    // TODO handle multiple GPUs
-    PFN_vkGetProcAddr fpNextGPA;
-    fpNextGPA = (PFN_vkGetProcAddr) pCurObj->pGPA;
-    assert(fpNextGPA);
-
-    layer_initialize_dispatch_table(&nextTable, fpNextGPA, (VkPhysicalDevice) pCurObj->nextObject);
 
     if (!globalLockInitialized)
     {
@@ -1477,8 +1491,6 @@ static void initDrawState(void)
 
 VK_LAYER_EXPORT VkResult VKAPI vkCreateDevice(VkPhysicalDevice gpu, const VkDeviceCreateInfo* pCreateInfo, VkDevice* pDevice)
 {
-    pCurObj = (VkBaseLayerObject *) gpu;
-    loader_platform_thread_once(&g_initOnce, initDrawState);
     VkResult result = nextTable.CreateDevice(gpu, pCreateInfo, pDevice);
     return result;
 }
@@ -2732,6 +2744,7 @@ VK_LAYER_EXPORT void* VKAPI vkGetProcAddr(VkPhysicalDevice gpu, const char* func
         return NULL;
     pCurObj = gpuw;
     loader_platform_thread_once(&g_initOnce, initDrawState);
+    loader_platform_thread_once(&g_tabDeviceOnce, initDeviceTable);
 
     if (!strcmp(funcName, "vkGetProcAddr"))
         return (void *) vkGetProcAddr;
@@ -2882,9 +2895,9 @@ VK_LAYER_EXPORT void * VKAPI vkGetInstanceProcAddr(VkInstance instance, const ch
     if (instance == NULL)
         return NULL;
 
-    //TODO
-    //pCurObj = gpuw;
-    //loader_platform_thread_once(&g_initInstanceOnce, initInstanceDrawState);
+    pCurObj = instw;
+    loader_platform_thread_once(&g_initOnce, initDrawState);
+    loader_platform_thread_once(&g_tabInstanceOnce, initInstanceTable);
 
     if (!strcmp(funcName, "vkGetInstanceProcAddr"))
         return (void *) vkGetInstanceProcAddr;
-- 
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