opus-tango/IntroductionToVulkan
1
0
Fork 0
mirror of https://github.com/opus-tango/IntroductionToVulkan.git synced 2026-03-20 03:55:26 +00:00
Code Issues Packages Projects Releases Wiki Activity

Modified Tutorial04: improved code maintenance (replaced static arrays with std::vectors); changed order of some operations (moved vertex buffer creation before rendering resources creation).

Browse Source
This commit is contained in:
plapins
2016-07-02 22:45:16 +02:00
parent 67b0dd27c9
commit 83666e93b9
3 changed files with 114 additions and 111 deletions
Download Patch File Download Diff File Expand all files Collapse all files

211
Project/Tutorial04/Tutorial04.cpp
View File

@@ -8,6 +8,7 @@
// Intel does not assume any responsibility for any errors which may appear in this software
// nor any responsibility to update it.
#include <cstddef>
#include "Tutorial04.h"
#include "VulkanFunctions.h"
@@ -169,35 +170,37 @@ namespace ApiWithoutSecrets {
}
};
VkVertexInputBindingDescription vertex_binding_description = {
std::vector<VkVertexInputBindingDescription> vertex_binding_descriptions = {
{
0, // uint32_t binding
sizeof(VertexData), // uint32_t stride
VK_VERTEX_INPUT_RATE_VERTEX // VkVertexInputRate inputRate
}
};
VkVertexInputAttributeDescription vertex_attribute_descriptions[] = {
std::vector<VkVertexInputAttributeDescription> vertex_attribute_descriptions = {
{
0, // uint32_t location
vertex_binding_description.binding, // uint32_t binding
vertex_binding_descriptions[0].binding, // uint32_t binding
VK_FORMAT_R32G32B32A32_SFLOAT, // VkFormat format
0 // uint32_t offset
offsetof(struct VertexData, x) // uint32_t offset
},
{
1, // uint32_t location
vertex_binding_description.binding, // uint32_t binding
vertex_binding_descriptions[0].binding, // uint32_t binding
VK_FORMAT_R32G32B32A32_SFLOAT, // VkFormat format
4 * sizeof(float) // uint32_t offset
offsetof(struct VertexData, r) // 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
0, // VkPipelineVertexInputStateCreateFlags flags
static_cast<uint32_t>(vertex_binding_descriptions.size()), // uint32_t vertexBindingDescriptionCount
&vertex_binding_descriptions[0], // const VkVertexInputBindingDescription *pVertexBindingDescriptions
static_cast<uint32_t>(vertex_attribute_descriptions.size()), // uint32_t vertexAttributeDescriptionCount
&vertex_attribute_descriptions[0] // const VkVertexInputAttributeDescription *pVertexAttributeDescriptions
};
VkPipelineInputAssemblyStateCreateInfo input_assembly_state_create_info = {
@@ -269,7 +272,7 @@ namespace ApiWithoutSecrets {
{ 0.0f, 0.0f, 0.0f, 0.0f } // float blendConstants[4]
};
VkDynamicState dynamic_states[] = {
std::vector<VkDynamicState> dynamic_states = {
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR,
};
@@ -278,8 +281,8 @@ namespace ApiWithoutSecrets {
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
static_cast<uint32_t>(dynamic_states.size()), // uint32_t dynamicStateCount
&dynamic_states[0] // const VkDynamicState *pDynamicStates
};
Tools::AutoDeleter<VkPipelineLayout, PFN_vkDestroyPipelineLayout> pipeline_layout = CreatePipelineLayout();
@@ -316,96 +319,6 @@ namespace ApiWithoutSecrets {
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[] = {
{
@@ -502,6 +415,96 @@ namespace ApiWithoutSecrets {
return false;
}
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::PrepareFrame( VkCommandBuffer command_buffer, const ImageParameters &image_parameters, VkFramebuffer &framebuffer ) {
if( !CreateFramebuffer( framebuffer, image_parameters.View ) ) {
return false;

4
Project/Tutorial04/Tutorial04.h
View File

@@ -99,8 +99,8 @@ namespace ApiWithoutSecrets {
bool CreateRenderPass();
bool CreatePipeline();
bool CreateRenderingResources();
bool CreateVertexBuffer();
bool CreateRenderingResources();
bool Draw() override;
@@ -109,12 +109,12 @@ namespace ApiWithoutSecrets {
Tools::AutoDeleter<VkShaderModule, PFN_vkDestroyShaderModule> CreateShaderModule( const char* filename );
Tools::AutoDeleter<VkPipelineLayout, PFN_vkDestroyPipelineLayout> CreatePipelineLayout();
bool AllocateBufferMemory( VkBuffer buffer, VkDeviceMemory *memory );
bool CreateCommandPool( uint32_t queue_family_index, VkCommandPool *pool );
bool AllocateCommandBuffers( VkCommandPool pool, uint32_t count, VkCommandBuffer *command_buffers );
bool CreateCommandBuffers();
bool CreateSemaphores();
bool CreateFences();
bool AllocateBufferMemory( VkBuffer buffer, VkDeviceMemory *memory );
bool PrepareFrame( VkCommandBuffer command_buffer, const ImageParameters &image_parameters, VkFramebuffer &framebuffer );
bool CreateFramebuffer( VkFramebuffer &framebuffer, VkImageView image_view );

4
Project/Tutorial04/main.cpp
View File

@@ -31,10 +31,10 @@ int main( int argc, char **argv ) {
if( !tutorial04.CreatePipeline() ) {
return -1;
}
if( !tutorial04.CreateRenderingResources() ) {
if( !tutorial04.CreateVertexBuffer() ) {
return -1;
}
if( !tutorial04.CreateVertexBuffer() ) {
if( !tutorial04.CreateRenderingResources() ) {
return -1;
}