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IntroductionToVulkan/Project/Tutorial04/Tutorial04.cpp

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// Copyright 2016 Intel Corporation All Rights Reserved
//
// Intel makes no representations about the suitability of this software for any purpose.
// THIS SOFTWARE IS PROVIDED ""AS IS."" INTEL SPECIFICALLY DISCLAIMS ALL WARRANTIES,
// EXPRESS OR IMPLIED, AND ALL LIABILITY, INCLUDING CONSEQUENTIAL AND OTHER INDIRECT DAMAGES,
// FOR THE USE OF THIS SOFTWARE, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PROPRIETARY
// RIGHTS, AND INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
// Intel does not assume any responsibility for any errors which may appear in this software
// nor any responsibility to update it.
#include "Tutorial04.h"
#include "VulkanFunctions.h"
namespace ApiWithoutSecrets {
Tutorial04::Tutorial04() :
Vulkan() {
}
bool Tutorial04::CreateRenderPass() {
VkAttachmentDescription attachment_descriptions[] = {
{
0, // VkAttachmentDescriptionFlags flags
GetSwapChain().Format, // VkFormat format
VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits samples
VK_ATTACHMENT_LOAD_OP_CLEAR, // VkAttachmentLoadOp loadOp
VK_ATTACHMENT_STORE_OP_STORE, // VkAttachmentStoreOp storeOp
VK_ATTACHMENT_LOAD_OP_DONT_CARE, // VkAttachmentLoadOp stencilLoadOp
VK_ATTACHMENT_STORE_OP_DONT_CARE, // VkAttachmentStoreOp stencilStoreOp
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // VkImageLayout initialLayout;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL // VkImageLayout finalLayout
}
};
VkAttachmentReference color_attachment_references[] = {
{
0, // uint32_t attachment
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL // VkImageLayout layout
}
};
VkSubpassDescription subpass_descriptions[] = {
{
0, // VkSubpassDescriptionFlags flags
VK_PIPELINE_BIND_POINT_GRAPHICS, // VkPipelineBindPoint pipelineBindPoint
0, // uint32_t inputAttachmentCount
nullptr, // const VkAttachmentReference *pInputAttachments
1, // uint32_t colorAttachmentCount
color_attachment_references, // const VkAttachmentReference *pColorAttachments
nullptr, // const VkAttachmentReference *pResolveAttachments
nullptr, // const VkAttachmentReference *pDepthStencilAttachment
0, // uint32_t preserveAttachmentCount
nullptr // const uint32_t* pPreserveAttachments
}
};
VkRenderPassCreateInfo render_pass_create_info = {
VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // VkRenderPassCreateFlags flags
1, // uint32_t attachmentCount
attachment_descriptions, // const VkAttachmentDescription *pAttachments
1, // uint32_t subpassCount
subpass_descriptions, // const VkSubpassDescription *pSubpasses
0, // uint32_t dependencyCount
nullptr // const VkSubpassDependency *pDependencies
};
if( vkCreateRenderPass( GetDevice(), &render_pass_create_info, nullptr, &Vulkan.RenderPass ) != VK_SUCCESS ) {
std::cout << "Could not create render pass!" << std::endl;
return false;
}
return true;
}
Tools::AutoDeleter<VkShaderModule, PFN_vkDestroyShaderModule> Tutorial04::CreateShaderModule( const char* filename ) {
const std::vector<char> code = Tools::GetBinaryFileContents( filename );
if( code.size() == 0 ) {
return Tools::AutoDeleter<VkShaderModule, PFN_vkDestroyShaderModule>();
}
VkShaderModuleCreateInfo shader_module_create_info = {
VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // VkShaderModuleCreateFlags flags
code.size(), // size_t codeSize
reinterpret_cast<const uint32_t*>(&code[0]) // const uint32_t *pCode
};
VkShaderModule shader_module;
if( vkCreateShaderModule( GetDevice(), &shader_module_create_info, nullptr, &shader_module ) != VK_SUCCESS ) {
std::cout << "Could not create shader module from a \"" << filename << "\" file!" << std::endl;
return Tools::AutoDeleter<VkShaderModule, PFN_vkDestroyShaderModule>();
}
return Tools::AutoDeleter<VkShaderModule, PFN_vkDestroyShaderModule>( shader_module, vkDestroyShaderModule, GetDevice() );
}
Tools::AutoDeleter<VkPipelineLayout, PFN_vkDestroyPipelineLayout> Tutorial04::CreatePipelineLayout() {
VkPipelineLayoutCreateInfo layout_create_info = {
VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // VkPipelineLayoutCreateFlags flags
0, // uint32_t setLayoutCount
nullptr, // const VkDescriptorSetLayout *pSetLayouts
0, // uint32_t pushConstantRangeCount
nullptr // const VkPushConstantRange *pPushConstantRanges
};
VkPipelineLayout pipeline_layout;
if( vkCreatePipelineLayout( GetDevice(), &layout_create_info, nullptr, &pipeline_layout ) != VK_SUCCESS ) {
std::cout << "Could not create pipeline layout!" << std::endl;
return Tools::AutoDeleter<VkPipelineLayout, PFN_vkDestroyPipelineLayout>();
}
return Tools::AutoDeleter<VkPipelineLayout, PFN_vkDestroyPipelineLayout>( pipeline_layout, vkDestroyPipelineLayout, GetDevice() );
}
bool Tutorial04::CreatePipeline() {
Tools::AutoDeleter<VkShaderModule, PFN_vkDestroyShaderModule> vertex_shader_module = CreateShaderModule( "Data04/vert.spv" );
Tools::AutoDeleter<VkShaderModule, PFN_vkDestroyShaderModule> fragment_shader_module = CreateShaderModule( "Data04/frag.spv" );
if( !vertex_shader_module || !fragment_shader_module ) {
return false;
}
std::vector<VkPipelineShaderStageCreateInfo> shader_stage_create_infos = {
// Vertex shader
{
VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // VkPipelineShaderStageCreateFlags flags
VK_SHADER_STAGE_VERTEX_BIT, // VkShaderStageFlagBits stage
vertex_shader_module.Get(), // VkShaderModule module
"main", // const char *pName
nullptr // const VkSpecializationInfo *pSpecializationInfo
},
// Fragment shader
{
VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // VkPipelineShaderStageCreateFlags flags
VK_SHADER_STAGE_FRAGMENT_BIT, // VkShaderStageFlagBits stage
fragment_shader_module.Get(), // VkShaderModule module
"main", // const char *pName
nullptr // const VkSpecializationInfo *pSpecializationInfo
}
};
VkVertexInputBindingDescription vertex_binding_description = {
0, // uint32_t binding
sizeof(VertexData), // uint32_t stride
VK_VERTEX_INPUT_RATE_VERTEX // VkVertexInputRate inputRate
};
VkVertexInputAttributeDescription vertex_attribute_descriptions[] = {
{
0, // uint32_t location
vertex_binding_description.binding, // uint32_t binding
VK_FORMAT_R32G32B32A32_SFLOAT, // VkFormat format
0 // uint32_t offset
},
{
1, // uint32_t location
vertex_binding_description.binding, // uint32_t binding
VK_FORMAT_R32G32B32A32_SFLOAT, // VkFormat format
4 * sizeof(float) // uint32_t offset
}
};
VkPipelineVertexInputStateCreateInfo vertex_input_state_create_info = {
VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // VkPipelineVertexInputStateCreateFlags flags;
1, // uint32_t vertexBindingDescriptionCount
&vertex_binding_description, // const VkVertexInputBindingDescription *pVertexBindingDescriptions
2, // uint32_t vertexAttributeDescriptionCount
vertex_attribute_descriptions // const VkVertexInputAttributeDescription *pVertexAttributeDescriptions
};
VkPipelineInputAssemblyStateCreateInfo input_assembly_state_create_info = {
VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // VkPipelineInputAssemblyStateCreateFlags flags
VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP, // VkPrimitiveTopology topology
VK_FALSE // VkBool32 primitiveRestartEnable
};
VkPipelineViewportStateCreateInfo viewport_state_create_info = {
VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // VkPipelineViewportStateCreateFlags flags
1, // uint32_t viewportCount
nullptr, // const VkViewport *pViewports
1, // uint32_t scissorCount
nullptr // const VkRect2D *pScissors
};
VkPipelineRasterizationStateCreateInfo rasterization_state_create_info = {
VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // VkPipelineRasterizationStateCreateFlags flags
VK_FALSE, // VkBool32 depthClampEnable
VK_FALSE, // VkBool32 rasterizerDiscardEnable
VK_POLYGON_MODE_FILL, // VkPolygonMode polygonMode
VK_CULL_MODE_BACK_BIT, // VkCullModeFlags cullMode
VK_FRONT_FACE_COUNTER_CLOCKWISE, // VkFrontFace frontFace
VK_FALSE, // VkBool32 depthBiasEnable
0.0f, // float depthBiasConstantFactor
0.0f, // float depthBiasClamp
0.0f, // float depthBiasSlopeFactor
1.0f // float lineWidth
};
VkPipelineMultisampleStateCreateInfo multisample_state_create_info = {
VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // VkPipelineMultisampleStateCreateFlags flags
VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits rasterizationSamples
VK_FALSE, // VkBool32 sampleShadingEnable
1.0f, // float minSampleShading
nullptr, // const VkSampleMask *pSampleMask
VK_FALSE, // VkBool32 alphaToCoverageEnable
VK_FALSE // VkBool32 alphaToOneEnable
};
VkPipelineColorBlendAttachmentState color_blend_attachment_state = {
VK_FALSE, // VkBool32 blendEnable
VK_BLEND_FACTOR_ONE, // VkBlendFactor srcColorBlendFactor
VK_BLEND_FACTOR_ZERO, // VkBlendFactor dstColorBlendFactor
VK_BLEND_OP_ADD, // VkBlendOp colorBlendOp
VK_BLEND_FACTOR_ONE, // VkBlendFactor srcAlphaBlendFactor
VK_BLEND_FACTOR_ZERO, // VkBlendFactor dstAlphaBlendFactor
VK_BLEND_OP_ADD, // VkBlendOp alphaBlendOp
VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | // VkColorComponentFlags colorWriteMask
VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT
};
VkPipelineColorBlendStateCreateInfo color_blend_state_create_info = {
VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // VkPipelineColorBlendStateCreateFlags flags
VK_FALSE, // VkBool32 logicOpEnable
VK_LOGIC_OP_COPY, // VkLogicOp logicOp
1, // uint32_t attachmentCount
&color_blend_attachment_state, // const VkPipelineColorBlendAttachmentState *pAttachments
{ 0.0f, 0.0f, 0.0f, 0.0f } // float blendConstants[4]
};
VkDynamicState dynamic_states[] = {
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR,
};
VkPipelineDynamicStateCreateInfo dynamic_state_create_info = {
VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // VkPipelineDynamicStateCreateFlags flags
2, // uint32_t dynamicStateCount
dynamic_states // const VkDynamicState *pDynamicStates
};
Tools::AutoDeleter<VkPipelineLayout, PFN_vkDestroyPipelineLayout> pipeline_layout = CreatePipelineLayout();
if( !pipeline_layout ) {
return false;
}
VkGraphicsPipelineCreateInfo pipeline_create_info = {
VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // VkPipelineCreateFlags flags
static_cast<uint32_t>(shader_stage_create_infos.size()), // uint32_t stageCount
&shader_stage_create_infos[0], // const VkPipelineShaderStageCreateInfo *pStages
&vertex_input_state_create_info, // const VkPipelineVertexInputStateCreateInfo *pVertexInputState;
&input_assembly_state_create_info, // const VkPipelineInputAssemblyStateCreateInfo *pInputAssemblyState
nullptr, // const VkPipelineTessellationStateCreateInfo *pTessellationState
&viewport_state_create_info, // const VkPipelineViewportStateCreateInfo *pViewportState
&rasterization_state_create_info, // const VkPipelineRasterizationStateCreateInfo *pRasterizationState
&multisample_state_create_info, // const VkPipelineMultisampleStateCreateInfo *pMultisampleState
nullptr, // const VkPipelineDepthStencilStateCreateInfo *pDepthStencilState
&color_blend_state_create_info, // const VkPipelineColorBlendStateCreateInfo *pColorBlendState
&dynamic_state_create_info, // const VkPipelineDynamicStateCreateInfo *pDynamicState
pipeline_layout.Get(), // VkPipelineLayout layout
Vulkan.RenderPass, // VkRenderPass renderPass
0, // uint32_t subpass
VK_NULL_HANDLE, // VkPipeline basePipelineHandle
-1 // int32_t basePipelineIndex
};
if( vkCreateGraphicsPipelines( GetDevice(), VK_NULL_HANDLE, 1, &pipeline_create_info, nullptr, &Vulkan.GraphicsPipeline ) != VK_SUCCESS ) {
std::cout << "Could not create graphics pipeline!" << std::endl;
return false;
}
return true;
}
bool Tutorial04::CreateRenderingResources() {
if( !CreateCommandBuffers() ) {
return false;
}
if( !CreateSemaphores() ) {
return false;
}
if( !CreateFences() ) {
return false;
}
return true;
}
bool Tutorial04::CreateCommandBuffers() {
if( !CreateCommandPool( GetGraphicsQueue().FamilyIndex, &Vulkan.CommandPool ) ) {
std::cout << "Could not create command pool!" << std::endl;
return false;
}
for( size_t i = 0; i < Vulkan.RenderingResources.size(); ++i ) {
if( !AllocateCommandBuffers( Vulkan.CommandPool, 1, &Vulkan.RenderingResources[i].CommandBuffer ) ) {
std::cout << "Could not allocate command buffer!" << std::endl;
return false;
}
}
return true;
}
bool Tutorial04::CreateCommandPool( uint32_t queue_family_index, VkCommandPool *pool ) {
VkCommandPoolCreateInfo cmd_pool_create_info = {
VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT | // VkCommandPoolCreateFlags flags
VK_COMMAND_POOL_CREATE_TRANSIENT_BIT,
queue_family_index // uint32_t queueFamilyIndex
};
if( vkCreateCommandPool( GetDevice(), &cmd_pool_create_info, nullptr, pool ) != VK_SUCCESS ) {
return false;
}
return true;
}
bool Tutorial04::AllocateCommandBuffers( VkCommandPool pool, uint32_t count, VkCommandBuffer *command_buffers ) {
VkCommandBufferAllocateInfo command_buffer_allocate_info = {
VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
pool, // VkCommandPool commandPool
VK_COMMAND_BUFFER_LEVEL_PRIMARY, // VkCommandBufferLevel level
count // uint32_t bufferCount
};
if( vkAllocateCommandBuffers( GetDevice(), &command_buffer_allocate_info, command_buffers ) != VK_SUCCESS ) {
return false;
}
return true;
}
bool Tutorial04::CreateSemaphores() {
VkSemaphoreCreateInfo semaphore_create_info = {
VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO, // VkStructureType sType
nullptr, // const void* pNext
0 // VkSemaphoreCreateFlags flags
};
for( size_t i = 0; i < Vulkan.RenderingResources.size(); ++i ) {
if( (vkCreateSemaphore( GetDevice(), &semaphore_create_info, nullptr, &Vulkan.RenderingResources[i].ImageAvailableSemaphore ) != VK_SUCCESS) ||
(vkCreateSemaphore( GetDevice(), &semaphore_create_info, nullptr, &Vulkan.RenderingResources[i].FinishedRenderingSemaphore ) != VK_SUCCESS) ) {
std::cout << "Could not create semaphores!" << std::endl;
return false;
}
}
return true;
}
bool Tutorial04::CreateFences() {
VkFenceCreateInfo fence_create_info = {
VK_STRUCTURE_TYPE_FENCE_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
VK_FENCE_CREATE_SIGNALED_BIT // VkFenceCreateFlags flags
};
for( size_t i = 0; i < Vulkan.RenderingResources.size(); ++i ) {
if( vkCreateFence( GetDevice(), &fence_create_info, nullptr, &Vulkan.RenderingResources[i].Fence ) != VK_SUCCESS ) {
std::cout << "Could not create a fence!" << std::endl;
return false;
}
}
return true;
}
bool Tutorial04::CreateVertexBuffer() {
VertexData vertex_data[] = {
{
-0.7f, -0.7f, 0.0f, 1.0f,
1.0f, 0.0f, 0.0f, 0.0f
},
{
-0.7f, 0.7f, 0.0f, 1.0f,
0.0f, 1.0f, 0.0f, 0.0f
},
{
0.7f, -0.7f, 0.0f, 1.0f,
0.0f, 0.0f, 1.0f, 0.0f
},
{
0.7f, 0.7f, 0.0f, 1.0f,
0.3f, 0.3f, 0.3f, 0.0f
}
};
Vulkan.VertexBuffer.Size = sizeof(vertex_data);
VkBufferCreateInfo buffer_create_info = {
VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // VkBufferCreateFlags flags
Vulkan.VertexBuffer.Size, // VkDeviceSize size
VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, // VkBufferUsageFlags usage
VK_SHARING_MODE_EXCLUSIVE, // VkSharingMode sharingMode
0, // uint32_t queueFamilyIndexCount
nullptr // const uint32_t *pQueueFamilyIndices
};
if( vkCreateBuffer( GetDevice(), &buffer_create_info, nullptr, &Vulkan.VertexBuffer.Handle ) != VK_SUCCESS ) {
std::cout << "Could not create a vertex buffer!" << std::endl;
return false;
}
if( !AllocateBufferMemory( Vulkan.VertexBuffer.Handle, &Vulkan.VertexBuffer.Memory ) ) {
std::cout << "Could not allocate memory for a vertex buffer!" << std::endl;
return false;
}
if( vkBindBufferMemory( GetDevice(), Vulkan.VertexBuffer.Handle, Vulkan.VertexBuffer.Memory, 0 ) != VK_SUCCESS ) {
std::cout << "Could not bind memory for a vertex buffer!" << std::endl;
return false;
}
void *vertex_buffer_memory_pointer;
if( vkMapMemory( GetDevice(), Vulkan.VertexBuffer.Memory, 0, Vulkan.VertexBuffer.Size, 0, &vertex_buffer_memory_pointer ) != VK_SUCCESS ) {
std::cout << "Could not map memory and upload data to a vertex buffer!" << std::endl;
return false;
}
memcpy( vertex_buffer_memory_pointer, vertex_data, Vulkan.VertexBuffer.Size );
VkMappedMemoryRange flush_range = {
VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE, // VkStructureType sType
nullptr, // const void *pNext
Vulkan.VertexBuffer.Memory, // VkDeviceMemory memory
0, // VkDeviceSize offset
VK_WHOLE_SIZE // VkDeviceSize size
};
vkFlushMappedMemoryRanges( GetDevice(), 1, &flush_range );
vkUnmapMemory( GetDevice(), Vulkan.VertexBuffer.Memory );
return true;
}
bool Tutorial04::AllocateBufferMemory( VkBuffer buffer, VkDeviceMemory *memory ) {
VkMemoryRequirements buffer_memory_requirements;
vkGetBufferMemoryRequirements( GetDevice(), Vulkan.VertexBuffer.Handle, &buffer_memory_requirements );
VkPhysicalDeviceMemoryProperties memory_properties;
vkGetPhysicalDeviceMemoryProperties( GetPhysicalDevice(), &memory_properties );
for( uint32_t i = 0; i < memory_properties.memoryTypeCount; ++i ) {
if( (buffer_memory_requirements.memoryTypeBits & (1 << i)) &&
(memory_properties.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) ) {
VkMemoryAllocateInfo memory_allocate_info = {
VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
buffer_memory_requirements.size, // VkDeviceSize allocationSize
i // uint32_t memoryTypeIndex
};
if( vkAllocateMemory( GetDevice(), &memory_allocate_info, nullptr, memory ) == VK_SUCCESS ) {
return true;
}
}
}
return false;
}
bool Tutorial04::PrepareFrame( VkCommandBuffer command_buffer, const ImageParameters &image_parameters, VkFramebuffer &framebuffer ) {
if( !CreateFramebuffer( framebuffer, image_parameters.ImageView ) ) {
return false;
}
VkCommandBufferBeginInfo command_buffer_begin_info = {
VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, // VkStructureType sType
nullptr, // const void *pNext
VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT, // VkCommandBufferUsageFlags flags
nullptr // const VkCommandBufferInheritanceInfo *pInheritanceInfo
};
vkBeginCommandBuffer( command_buffer, &command_buffer_begin_info );
VkImageSubresourceRange image_subresource_range = {
VK_IMAGE_ASPECT_COLOR_BIT, // VkImageAspectFlags aspectMask
0, // uint32_t baseMipLevel
1, // uint32_t levelCount
0, // uint32_t baseArrayLayer
1 // uint32_t layerCount
};
uint32_t present_queue_family_index = (GetPresentQueue().Handle != GetGraphicsQueue().Handle) ? GetPresentQueue().FamilyIndex : VK_QUEUE_FAMILY_IGNORED;
uint32_t graphics_queue_family_index = (GetPresentQueue().Handle != GetGraphicsQueue().Handle) ? GetGraphicsQueue().FamilyIndex : VK_QUEUE_FAMILY_IGNORED;
VkImageMemoryBarrier barrier_from_present_to_draw = {
VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, // VkStructureType sType
nullptr, // const void *pNext
VK_ACCESS_MEMORY_READ_BIT, // VkAccessFlags srcAccessMask
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, // VkAccessFlags dstAccessMask
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, // VkImageLayout oldLayout
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // VkImageLayout newLayout
present_queue_family_index, // uint32_t srcQueueFamilyIndex
graphics_queue_family_index, // uint32_t dstQueueFamilyIndex
image_parameters.Handle, // VkImage image
image_subresource_range // VkImageSubresourceRange subresourceRange
};
vkCmdPipelineBarrier( command_buffer, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, 0, 0, nullptr, 0, nullptr, 1, &barrier_from_present_to_draw );
VkClearValue clear_value = {
{ 1.0f, 0.8f, 0.4f, 0.0f }, // VkClearColorValue color
};
VkRenderPassBeginInfo render_pass_begin_info = {
VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO, // VkStructureType sType
nullptr, // const void *pNext
Vulkan.RenderPass, // VkRenderPass renderPass
framebuffer, // VkFramebuffer framebuffer
{ // VkRect2D renderArea
{ // VkOffset2D offset
0, // int32_t x
0 // int32_t y
},
GetSwapChain().Extent, // VkExtent2D extent;
},
1, // uint32_t clearValueCount
&clear_value // const VkClearValue *pClearValues
};
vkCmdBeginRenderPass( command_buffer, &render_pass_begin_info, VK_SUBPASS_CONTENTS_INLINE );
vkCmdBindPipeline( command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, Vulkan.GraphicsPipeline );
VkViewport viewport = {
0.0f, // float x
0.0f, // float y
static_cast<float>(GetSwapChain().Extent.width), // float width
static_cast<float>(GetSwapChain().Extent.height), // float height
0.0f, // float minDepth
1.0f // float maxDepth
};
VkRect2D scissor = {
{ // VkOffset2D offset
0, // int32_t x
0 // int32_t y
},
{ // VkExtent2D extent
GetSwapChain().Extent.width, // uint32_t width
GetSwapChain().Extent.height // uint32_t height
}
};
vkCmdSetViewport( command_buffer, 0, 1, &viewport );
vkCmdSetScissor( command_buffer, 0, 1, &scissor );
VkDeviceSize offset = 0;
vkCmdBindVertexBuffers( command_buffer, 0, 1, &Vulkan.VertexBuffer.Handle, &offset );
vkCmdDraw( command_buffer, 4, 1, 0, 0 );
vkCmdEndRenderPass( command_buffer );
VkImageMemoryBarrier barrier_from_draw_to_present = {
VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, // VkStructureType sType
nullptr, // const void *pNext
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, // VkAccessFlags srcAccessMask
VK_ACCESS_MEMORY_READ_BIT, // VkAccessFlags dstAccessMask
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // VkImageLayout oldLayout
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, // VkImageLayout newLayout
graphics_queue_family_index, // uint32_t srcQueueFamilyIndex
present_queue_family_index, // uint32_t dstQueueFamilyIndex
image_parameters.Handle, // VkImage image
image_subresource_range // VkImageSubresourceRange subresourceRange
};
vkCmdPipelineBarrier( command_buffer, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, nullptr, 0, nullptr, 1, &barrier_from_draw_to_present );
if( vkEndCommandBuffer( command_buffer ) != VK_SUCCESS ) {
std::cout << "Could not record command buffer!" << std::endl;
return false;
}
return true;
}
bool Tutorial04::CreateFramebuffer( VkFramebuffer &framebuffer, VkImageView image_view ) {
if( framebuffer != VK_NULL_HANDLE ) {
vkDestroyFramebuffer( GetDevice(), framebuffer, nullptr );
}
VkFramebufferCreateInfo framebuffer_create_info = {
VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // VkFramebufferCreateFlags flags
Vulkan.RenderPass, // VkRenderPass renderPass
1, // uint32_t attachmentCount
&image_view, // const VkImageView *pAttachments
GetSwapChain().Extent.width, // uint32_t width
GetSwapChain().Extent.height, // uint32_t height
1 // uint32_t layers
};
if( vkCreateFramebuffer( GetDevice(), &framebuffer_create_info, nullptr, &framebuffer ) != VK_SUCCESS ) {
std::cout << "Could not create a framebuffer!" << std::endl;
return false;
}
return true;
}
bool Tutorial04::ChildOnWindowSizeChanged() {
return true;
}
bool Tutorial04::Draw() {
static size_t resource_index = 0;
RenderingResourcesData &current_rendering_resource = Vulkan.RenderingResources[resource_index];
VkSwapchainKHR swap_chain = GetSwapChain().Handle;
uint32_t image_index;
resource_index = (resource_index + 1) % VulkanTutorial04Parameters::ResourcesCount;
if( vkWaitForFences( GetDevice(), 1, &current_rendering_resource.Fence, VK_FALSE, 1000000000 ) != VK_SUCCESS ) {
std::cout << "Waiting for fence takes too long!" << std::endl;
return false;
}
vkResetFences( GetDevice(), 1, &current_rendering_resource.Fence );
VkResult result = vkAcquireNextImageKHR( GetDevice(), swap_chain, UINT64_MAX, current_rendering_resource.ImageAvailableSemaphore, VK_NULL_HANDLE, &image_index );
switch( result ) {
case VK_SUCCESS:
case VK_SUBOPTIMAL_KHR:
break;
case VK_ERROR_OUT_OF_DATE_KHR:
return OnWindowSizeChanged();
default:
std::cout << "Problem occurred during swap chain image acquisition!" << std::endl;
return false;
}
if( !PrepareFrame( current_rendering_resource.CommandBuffer, GetSwapChain( ).Images[image_index], current_rendering_resource.Framebuffer ) ) {
return false;
}
VkPipelineStageFlags wait_dst_stage_mask = VK_PIPELINE_STAGE_TRANSFER_BIT;
VkSubmitInfo submit_info = {
VK_STRUCTURE_TYPE_SUBMIT_INFO, // VkStructureType sType
nullptr, // const void *pNext
1, // uint32_t waitSemaphoreCount
&current_rendering_resource.ImageAvailableSemaphore, // const VkSemaphore *pWaitSemaphores
&wait_dst_stage_mask, // const VkPipelineStageFlags *pWaitDstStageMask;
1, // uint32_t commandBufferCount
&current_rendering_resource.CommandBuffer, // const VkCommandBuffer *pCommandBuffers
1, // uint32_t signalSemaphoreCount
&current_rendering_resource.FinishedRenderingSemaphore // const VkSemaphore *pSignalSemaphores
};
if( vkQueueSubmit( GetGraphicsQueue().Handle, 1, &submit_info, current_rendering_resource.Fence ) != VK_SUCCESS ) {
return false;
}
VkPresentInfoKHR present_info = {
VK_STRUCTURE_TYPE_PRESENT_INFO_KHR, // VkStructureType sType
nullptr, // const void *pNext
1, // uint32_t waitSemaphoreCount
&current_rendering_resource.FinishedRenderingSemaphore, // const VkSemaphore *pWaitSemaphores
1, // uint32_t swapchainCount
&swap_chain, // const VkSwapchainKHR *pSwapchains
&image_index, // const uint32_t *pImageIndices
nullptr // VkResult *pResults
};
result = vkQueuePresentKHR( GetPresentQueue().Handle, &present_info );
switch( result ) {
case VK_SUCCESS:
break;
case VK_ERROR_OUT_OF_DATE_KHR:
case VK_SUBOPTIMAL_KHR:
return OnWindowSizeChanged();
default:
std::cout << "Problem occurred during image presentation!" << std::endl;
return false;
}
return true;
}
void Tutorial04::ChildClear() {
}
Tutorial04::~Tutorial04() {
if( GetDevice() != VK_NULL_HANDLE ) {
vkDeviceWaitIdle( GetDevice() );
for( size_t i = 0; i < Vulkan.RenderingResources.size(); ++i ) {
if( Vulkan.RenderingResources[i].Framebuffer != VK_NULL_HANDLE ) {
vkDestroyFramebuffer( GetDevice(), Vulkan.RenderingResources[i].Framebuffer, nullptr );
}
if( Vulkan.RenderingResources[i].CommandBuffer != VK_NULL_HANDLE ) {
vkFreeCommandBuffers( GetDevice(), Vulkan.CommandPool, 1, &Vulkan.RenderingResources[i].CommandBuffer );
}
if( Vulkan.RenderingResources[i].ImageAvailableSemaphore != VK_NULL_HANDLE ) {
vkDestroySemaphore( GetDevice(), Vulkan.RenderingResources[i].ImageAvailableSemaphore, nullptr );
}
if( Vulkan.RenderingResources[i].FinishedRenderingSemaphore != VK_NULL_HANDLE ) {
vkDestroySemaphore( GetDevice(), Vulkan.RenderingResources[i].FinishedRenderingSemaphore, nullptr );
}
if( Vulkan.RenderingResources[i].Fence != VK_NULL_HANDLE ) {
vkDestroyFence( GetDevice(), Vulkan.RenderingResources[i].Fence, nullptr );
}
}
if( Vulkan.CommandPool != VK_NULL_HANDLE ) {
vkDestroyCommandPool( GetDevice(), Vulkan.CommandPool, nullptr );
Vulkan.CommandPool = VK_NULL_HANDLE;
}
if( Vulkan.VertexBuffer.Handle != VK_NULL_HANDLE ) {
vkDestroyBuffer( GetDevice(), Vulkan.VertexBuffer.Handle, nullptr );
Vulkan.VertexBuffer.Handle = VK_NULL_HANDLE;
}
if( Vulkan.VertexBuffer.Memory != VK_NULL_HANDLE ) {
vkFreeMemory( GetDevice(), Vulkan.VertexBuffer.Memory, nullptr );
Vulkan.VertexBuffer.Memory = VK_NULL_HANDLE;
}
if( Vulkan.GraphicsPipeline != VK_NULL_HANDLE ) {
vkDestroyPipeline( GetDevice(), Vulkan.GraphicsPipeline, nullptr );
Vulkan.GraphicsPipeline = VK_NULL_HANDLE;
}
if( Vulkan.RenderPass != VK_NULL_HANDLE ) {
vkDestroyRenderPass( GetDevice(), Vulkan.RenderPass, nullptr );
Vulkan.RenderPass = VK_NULL_HANDLE;
}
}
}
} // namespace ApiWithoutSecrets
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