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Command pool creation for VulkanDevice

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This commit is contained in:
saschawillems 2016-07-23 20:18:08 +02:00
parent 1f8a58b6b3
commit 4194673e16
1 changed files with 51 additions and 4 deletions
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55
base/vulkandevice.hpp
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@ -30,6 +30,9 @@ namespace vk
/** @brief Memory types and heaps of the physical device */
VkPhysicalDeviceMemoryProperties memoryProperties;
/** @brief Default command pool for the graphics queue family index */
VkCommandPool commandPool = VK_NULL_HANDLE;
/** @brief Set to true when the debug marker extension is detected */
bool enableDebugMarkers = false;
@ -66,6 +69,10 @@ namespace vk
*/
~VulkanDevice()
{
if (commandPool)
{
vkDestroyCommandPool(logicalDevice, commandPool, nullptr);
}
if (logicalDevice)
{
vkDestroyDevice(logicalDevice, nullptr);
@ -77,12 +84,13 @@ namespace vk
*
* @param typeBits Bitmask with bits set for each memory type supported by the resource to request for (from VkMemoryRequirements)
* @param properties Bitmask of properties for the memory type to request
*
* @param (Optional) memTypeFound Pointer to a bool that is set to true if a matching memory type has been found
*
* @return Index of the requested memory type
*
* @throw Throws an exception if no memory type could be found that supports the requested properties
* @throw Throws an exception if memTypeFound is null and no memory type could be found that supports the requested properties
*/
uint32_t getMemoryType(uint32_t typeBits, VkMemoryPropertyFlags properties)
uint32_t getMemoryType(uint32_t typeBits, VkMemoryPropertyFlags properties, VkBool32 *memTypeFound = nullptr)
{
for (uint32_t i = 0; i < memoryProperties.memoryTypeCount; i++)
{
@ -90,6 +98,10 @@ namespace vk
{
if ((memoryProperties.memoryTypes[i].propertyFlags & properties) == properties)
{
if (memTypeFound)
{
*memTypeFound = true;
}
return i;
}
}
@ -98,9 +110,20 @@ namespace vk
#if defined(__ANDROID__)
//todo : Exceptions are disabled by default on Android (need to add LOCAL_CPP_FEATURES += exceptions to Android.mk), so for now just return zero
if (memTypeFound)
{
*memTypeFound = false;
}
return 0;
#else
throw std::runtime_error("Could not find a matching memory type");
if (memTypeFound)
{
*memTypeFound = false;
}
else
{
throw std::runtime_error("Could not find a matching memory type");
}
#endif
}
@ -225,6 +248,9 @@ namespace vk
}
return vkCreateDevice(physicalDevice, &deviceCreateInfo, nullptr, &logicalDevice);
// Create a default command pool for graphics command buffers
commandPool = createCommandPool(queueFamilyIndices.graphics);
}
/**
@ -317,5 +343,26 @@ namespace vk
// Attach the memory to the buffer object
return buffer->bind();
}
/**
* Create a command pool for allocation command buffers from
*
* @param queueFamilyIndex Family index of the queue to create the command pool for
* @param createFlags (Optional) Command pool creation flags (Defaults to VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT)
*
* @note Command buffers allocated from the created pool can only be submitted to a queue with the same family index
*
* @return A handle to the created command buffer
*/
VkCommandPool createCommandPool(uint32_t queueFamilyIndex, VkCommandPoolCreateFlags createFlags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT)
{
VkCommandPoolCreateInfo cmdPoolInfo = {};
cmdPoolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
cmdPoolInfo.queueFamilyIndex = queueFamilyIndex;
cmdPoolInfo.flags = createFlags;
VkCommandPool cmdPool;
VK_CHECK_RESULT(vkCreateCommandPool(logicalDevice, &cmdPoolInfo, nullptr, &cmdPool));
}
};
}