From 9bc30e6937c15206925bf2d5e917ab074ccbea88 Mon Sep 17 00:00:00 2001
From: Kearwood Gilbert <kearwood@kearwood.com>
Date: Thu, 12 Aug 2021 21:31:20 -0700
Subject: [PATCH] Create vulkan command pools

---
 kraken/KRContext.cpp | 22 ++++++++++++++++++++++
 kraken/KRContext.h   |  2 ++
 2 files changed, 24 insertions(+)

diff --git a/kraken/KRContext.cpp b/kraken/KRContext.cpp
index 3228b66..9c187a7 100755
--- a/kraken/KRContext.cpp
+++ b/kraken/KRContext.cpp
@@ -785,6 +785,8 @@ KRContext::destroyDeviceContexts()
 {
   for (auto itr = m_devices.begin(); itr != m_devices.end(); itr++) {
     DeviceInfo* deviceInfo = &(*itr).second;
+    vkDestroyCommandPool(deviceInfo->logicalDevice, deviceInfo->graphicsCommandPool, nullptr);
+    vkDestroyCommandPool(deviceInfo->logicalDevice, deviceInfo->computeCommandPool, nullptr);
     vkDestroyDevice(deviceInfo->logicalDevice, nullptr);
   }
   
@@ -1311,6 +1313,26 @@ void KRContext::createDevices()
     }
     vkGetDeviceQueue(info.logicalDevice, info.graphicsFamilyQueueIndex, 0, &info.graphicsQueue);
     vkGetDeviceQueue(info.logicalDevice, info.computeFamilyQueueIndex, 0, &info.computeQueue);
+
+    VkCommandPoolCreateInfo poolInfo{};
+    poolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
+    poolInfo.queueFamilyIndex = info.graphicsFamilyQueueIndex;
+    poolInfo.flags = 0;
+
+    if (vkCreateCommandPool(info.logicalDevice, &poolInfo, nullptr, &info.graphicsCommandPool) != VK_SUCCESS) {
+      vkDestroyDevice(info.logicalDevice, nullptr);
+      // TODO - Log a warning...
+      continue;
+    }
+
+    poolInfo.queueFamilyIndex = info.computeFamilyQueueIndex;
+    if (vkCreateCommandPool(info.logicalDevice, &poolInfo, nullptr, &info.computeCommandPool) != VK_SUCCESS) {
+      vkDestroyCommandPool(info.logicalDevice, info.graphicsCommandPool, nullptr);
+      vkDestroyDevice(info.logicalDevice, nullptr);
+      // TODO - Log a warning...
+      continue;
+    }
+
     m_devices[++m_topDeviceHandle] = info;
   }
 }
diff --git a/kraken/KRContext.h b/kraken/KRContext.h
index 62389ff..d553681 100755
--- a/kraken/KRContext.h
+++ b/kraken/KRContext.h
@@ -139,6 +139,8 @@ public:
       VkQueue graphicsQueue;
       uint32_t computeFamilyQueueIndex;
       VkQueue computeQueue;
+      VkCommandPool graphicsCommandPool;
+      VkCommandPool computeCommandPool;
     } DeviceInfo;
 
     typedef struct {