Command Buffers

Question 1

Declaration of vkCreateCommandPool:

Answer 1

VkResult vkCreateCommadPool(
VkDevice device,
const VkCommandPoolCreateInfo* pCreateInfo,
const VkAllocationCallbacks* pAllocator,
VkCommandPool* pCommandPool);

Question 2

Declaration of vkResetCommandPool:

Answer 2

VkResult vkResetCommandPool(
VkDevice device,
VkCommandPool commandPool,
VkCommandPoolResetFlags flags);

Question 3

Declaration of vkDestroyCommandPool:

Answer 3

VkResult vkDestroyCommandPool(
VkDevice device,
VkCommandPool commandPool,
const VkAllocationCallbacks* pAllocator);

Question 4

Definition of VkCommandPoolCreateInfo:

Answer 4

typedef struct VkCommandPoolCreateInfo{
VkStructureType sType;
const void* pNext;
VkCommandPoolCreateFlags flags;
uint32_t queueFamilyIndex;
} VkCommandPoolCreateInfo;

Question 5

Definition of VkCommandPoolCreateFlagBits:

Answer 5

typedef enum VkCommandPoolCreateFlagBits{
VK_COMMAND_POOL_CREATE_TRANSIENT_BIT = 0x00000001,
VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT = 0x00000002,
} VkCommandPoolCreateFlagBits;

Question 6

Definition of VkCommandPoolResetFlagBits:

Answer 6

typedef enum VkCommandPoolResetFlagBits{
VK_COMMAND_POOL_RESET_RELEASE_RESOURCES_BIT = 0x00000001,
} VkCommandPoolResetFlagBits;

Question 7

Declaration of vkAllocateCommandBuffers:

Answer 7

VkResult vkAllocateCommandBuffers(
VkDevice device,
VkCommandBufferAllocateInfo* pAllocateInfo,
VkCommandBuffer* pCommandBuffers);

Question 8

Definition of VkCommandBufferAllocateInfo:

Answer 8

typedef struct VkCommandBufferAllocateInfo{
VkStructureType sType;
const void* pNext;
VkCommandPool commandPool;
VkCommandBufferLevel level;
uint32_t bufferCount;
} VkCommandBufferAllocateInfo;

Question 9

Definition of VkCommandBufferLevel:

Answer 9

typedef enum VkCommandBufferLevel{
VK_COMMAND_BUFFER_LEVEL_PRIMARY = 0,
VK_COMMAND_BUFFER_LEVEL_SECONDARY = 1,
} VkCommandBufferLevel;

Question 10

Declaration of vkResetCommandBuffer:

Answer 10

VkResult vkResetCommandBuffer(
VkCommandBuffer commandBuffer,
VkCommandBufferResetFlags flags);

Question 11

Definition of VkCommandBufferResetFlagBIts:

Answer 11

VkCommandBufferResetFlagBIts{
VK_COMMAND_BUFFER_RESET_RELEASE_RESOURCES_BIT = 0x00000001,
} VkCommandBufferResetFlagBits;

Question 12

Declaration of vkFreeCommandBuffers:

Answer 12

VkResult vkFreeCommandBuffers(
VkDevice device,
VkCommandPool commandPool,
uint32_t commandBufferCount,
VkCommandBuffer* pCommandBuffers);

Question 13

Declaration of vkBeginCommandBuffer:

Answer 13

VkResult vkBeginCommandBuffer(
 VkCommandBuffer commandBuffers,
 const VkCommandBufferBeginInfo\* pBeginInfo);

Question 14

Definition of VkCommandBufferBeginInfo:

Answer 14

typedef struct VkCommandBufferBeginInfo{
VkStructureType sType;
const void* pNext;
VkCommandBufferUsageFlags flags;
VkRenderPass renderPass;
uint32_t subpass;
VkFramebuffer framebuffer;
VkBool32 occlusionQueryEnable;
VkQueryPipelineStatisticFlags pipelineStatistics;
} VkCommandBufferBeginInfo;

Question 15

Definition of VkCommandBufferUsageFlagBits:

Answer 15

typedef enum VkCommandBufferUsageFlagBits{
VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT = 1,
VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT = 2,
VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT = 4,
} VkCommandBufferUsageFlagBits;