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main.c
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#include"stdio.h"
#include"stdlib.h"
#include"string.h"
#include"limits.h"
#include"time.h"
#include"vulkan/vulkan.h"
#include"GLFW/glfw3.h"
#define GLFW_INCLUDE_VULKAN
int main(int argc,char **argv){
glfwInit();
//
//
//instance creation part line_15 to line_69
//
//create application info
//
VkApplicationInfo app_info;
app_info.sType=VK_STRUCTURE_TYPE_APPLICATION_INFO;
app_info.pNext=NULL;
char app_name[VK_MAX_EXTENSION_NAME_SIZE];
strcpy(app_name,"vulkan_project");
app_info.pApplicationName=app_name;
app_info.applicationVersion=VK_MAKE_VERSION(0,0,1);
char app_engine_name[VK_MAX_EXTENSION_NAME_SIZE];
strcpy(app_engine_name,"vulkan_engine");
app_info.pEngineName=app_engine_name;
app_info.engineVersion=VK_MAKE_VERSION(0,0,1);
app_info.apiVersion=VK_API_VERSION_1_0;
//
//create instance create info
//
VkInstanceCreateInfo inst_cre_info;
inst_cre_info.sType=VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
inst_cre_info.pNext=NULL;
inst_cre_info.flags=0;
inst_cre_info.pApplicationInfo=&app_info;
uint32_t inst_layer_count=1;
inst_cre_info.enabledLayerCount=
inst_layer_count;
char pp_inst_layers[inst_layer_count]
[VK_MAX_EXTENSION_NAME_SIZE];
strcpy(pp_inst_layers[0],"VK_LAYER_KHRONOS_validation");
char *pp_inst_layer_names[inst_layer_count];
for(uint32_t i=0;i<inst_layer_count;i++){
pp_inst_layer_names[i]=
pp_inst_layers[i];
}
inst_cre_info.ppEnabledLayerNames=
(const char * const *)pp_inst_layer_names;
uint32_t inst_ext_count=0;
const char * const *pp_inst_ext_names=
glfwGetRequiredInstanceExtensions
(&inst_ext_count);
inst_cre_info.enabledExtensionCount=inst_ext_count;
inst_cre_info.ppEnabledExtensionNames=pp_inst_ext_names;
//
//create instance
//
VkInstance inst;
vkCreateInstance(&inst_cre_info,
NULL,&inst);
printf("instance created.\n");
//
//
//device creation part line_70 to line_261
//
//enum physical device
//
uint32_t phy_devi_count=0;
vkEnumeratePhysicalDevices
(inst,&phy_devi_count,NULL);
VkPhysicalDevice phy_devis
[phy_devi_count];
vkEnumeratePhysicalDevices
(inst,&phy_devi_count,phy_devis);
//
//select physical device
//
VkPhysicalDeviceProperties
phy_devis_props[phy_devi_count];
uint32_t discrete_gpu_list[phy_devi_count];
uint32_t discrete_gpu_count=0;
uint32_t intergrated_gpu_list[phy_devi_count];
uint32_t intergrated_gpu_count=0;
VkPhysicalDeviceMemoryProperties
phy_devis_mem_props[phy_devi_count];
uint32_t
phy_devis_mem_count[phy_devi_count];
VkDeviceSize
phy_devis_mem_total[phy_devi_count];
for(uint32_t i=0;i<phy_devi_count;i++){
vkGetPhysicalDeviceProperties
(phy_devis[i],&phy_devis_props[i]);
if(phy_devis_props[i].deviceType
==VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU){
discrete_gpu_list[discrete_gpu_count]=i;
discrete_gpu_count++;
}else if(phy_devis_props[i].deviceType
==VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU){
intergrated_gpu_list[intergrated_gpu_count]=i;
intergrated_gpu_count++;
}
vkGetPhysicalDeviceMemoryProperties
(phy_devis[i],&phy_devis_mem_props[i]);
phy_devis_mem_count[i]=
phy_devis_mem_props[i].memoryHeapCount;
phy_devis_mem_total[i]=0;
for(uint32_t j=0;j<phy_devis_mem_count[i];j++){
phy_devis_mem_total[i]+=
phy_devis_mem_props[i].memoryHeaps[j].size;
}
}
VkDeviceSize max_mem_size=0;
uint32_t phy_devi_best_index=0;
if(discrete_gpu_count!=0){
for(uint32_t i=0;i<discrete_gpu_count;i++){
if(phy_devis_mem_total[i]>max_mem_size){
phy_devi_best_index=discrete_gpu_list[i];
max_mem_size=phy_devis_mem_total[i];
}
}
}else if(intergrated_gpu_count!=0){
for(uint32_t i=0;i<intergrated_gpu_count;i++){
if(phy_devis_mem_total[i]>max_mem_size){
phy_devi_best_index=intergrated_gpu_list[i];
max_mem_size=phy_devis_mem_total[i];
}
}
}
printf("best device index:%u\n",phy_devi_best_index);
printf("device name:%s\n",phy_devis_props
[phy_devi_best_index].deviceName);
printf("device type:");
if(discrete_gpu_count!=0){
printf("discrete gpu\n");
}else if(intergrated_gpu_count!=0){
printf("intergrated gpu\n");
}else{
printf("unknown\n");
}
printf("memory total:%llu\n",phy_devis_mem_total[
phy_devi_best_index
]);
VkPhysicalDevice *phy_best_devi=
&(phy_devis[phy_devi_best_index]);
//
//query queue families
//
uint32_t qf_prop_count=0;
vkGetPhysicalDeviceQueueFamilyProperties
(*phy_best_devi,&qf_prop_count,NULL);
VkQueueFamilyProperties
qf_props[qf_prop_count];
vkGetPhysicalDeviceQueueFamilyProperties
(*phy_best_devi,&qf_prop_count,qf_props);
uint32_t qf_q_count[qf_prop_count];
for(uint32_t i=0;i<qf_prop_count;i++){
qf_q_count[i]=qf_props[i].queueCount;
}
//
//create logical device
//
VkDeviceQueueCreateInfo dev_q_cre_infos[qf_prop_count];
for(uint32_t i=0;i<qf_prop_count;i++){
dev_q_cre_infos[i].sType=
VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
dev_q_cre_infos[i].pNext=NULL;
dev_q_cre_infos[i].flags=0;
dev_q_cre_infos[i].queueFamilyIndex=i;
dev_q_cre_infos[i].queueCount=qf_q_count[i];
float q_prior[1]={1.0f};
dev_q_cre_infos[i].pQueuePriorities=q_prior;
}
printf("using %d queue families.\n",qf_prop_count);
VkDeviceCreateInfo dev_cre_info;
dev_cre_info.sType=
VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
dev_cre_info.pNext=NULL;
dev_cre_info.flags=0;
dev_cre_info.queueCreateInfoCount=qf_prop_count;
dev_cre_info.pQueueCreateInfos=dev_q_cre_infos;
dev_cre_info.enabledLayerCount=0;
dev_cre_info.ppEnabledLayerNames=NULL;
uint32_t dev_ext_count=1;
dev_cre_info.enabledExtensionCount=dev_ext_count;
char pp_dev_exts[dev_ext_count]
[VK_MAX_EXTENSION_NAME_SIZE];
strcpy(pp_dev_exts[0],"VK_KHR_swapchain");
char *pp_dev_ext_names[dev_ext_count];
for(uint32_t i=0;i<dev_ext_count;i++){
pp_dev_ext_names[i]=
pp_dev_exts[i];
}
dev_cre_info.ppEnabledExtensionNames=
(const char * const *)pp_dev_ext_names;
VkPhysicalDeviceFeatures phy_devi_feat;
vkGetPhysicalDeviceFeatures
(*phy_best_devi,&phy_devi_feat);
dev_cre_info.pEnabledFeatures=
&phy_devi_feat;
VkDevice dev;
vkCreateDevice(*phy_best_devi,&dev_cre_info,NULL,&dev);
printf("logical device created.\n");
//
//select best queue
//
uint32_t qf_graph_count=0;
uint32_t qf_graph_list[qf_prop_count];
for(uint32_t i=0;i<qf_prop_count;i++){
if((qf_props[i].queueFlags
&VK_QUEUE_GRAPHICS_BIT) != 0){
qf_graph_list[qf_graph_count]=i;
qf_graph_count++;
}
}
uint32_t max_q_count=0;
uint32_t qf_best_index=0;
for(uint32_t i=0;i<qf_graph_count;i++){
if(qf_props[qf_graph_list[i]]
.queueCount>max_q_count){
qf_best_index=qf_graph_list[i];
}
}
printf("best queue family index:%d\n",
qf_best_index);
VkQueue q_graph,q_pres;
vkGetDeviceQueue
(dev,qf_best_index,0,&q_graph);
char single_queue=1;
if(qf_props[qf_best_index]
.queueCount<2){
vkGetDeviceQueue
(dev,qf_best_index,0,&q_pres);
printf("using single queue for drawing.\n");
}else{
single_queue=0;
vkGetDeviceQueue
(dev,qf_best_index,1,&q_pres);
printf("using double queues for drawing.\n");
}
//
//
//window and surface creation part line_262 to line_276
//
//create window and surface
//
glfwWindowHint(GLFW_CLIENT_API,GLFW_NO_API);
glfwWindowHint(GLFW_RESIZABLE,GLFW_FALSE);
GLFWwindow *window=
glfwCreateWindow(600,600,"",NULL,NULL);
printf("window created.\n");
VkSurfaceKHR surf;
glfwCreateWindowSurface
(inst,window,NULL,&surf);
printf("surface created.\n");
//
//
//swapchain and image view creation part line_277 to line_476
//
//verify surface support
//
VkBool32 phy_surf_supported;
vkGetPhysicalDeviceSurfaceSupportKHR
(*phy_best_devi,qf_best_index,
surf,&phy_surf_supported);
if(phy_surf_supported==VK_TRUE){
printf("surface supported.\n");
}else{
printf("warning:surface unsupported!\n");
}
//
//fetch surface capabilities
//
VkSurfaceCapabilitiesKHR surf_caps;
vkGetPhysicalDeviceSurfaceCapabilitiesKHR
(*phy_best_devi,surf,&surf_caps);
printf("fetched caps from surface.\n");
char extent_suitable=1;
int wind_w,wind_h;
glfwGetFramebufferSize(window,&wind_w,&wind_h);
VkExtent2D actual_extent;
actual_extent.width=wind_w;
actual_extent.height=wind_h;
if(surf_caps.currentExtent.width
!=wind_w
||surf_caps.currentExtent.height
!=wind_h){
extent_suitable=0;
printf("actual extent size doesn't match framebuffers, resizing...\n");
actual_extent.width=
wind_w>surf_caps
.maxImageExtent.width?
surf_caps
.maxImageExtent.width
:wind_w;
actual_extent.width=
wind_w<surf_caps
.minImageExtent.width?
surf_caps
.minImageExtent.width
:wind_w;
actual_extent.height=
wind_h>surf_caps
.maxImageExtent.height?
surf_caps
.maxImageExtent.height
:wind_h;
actual_extent.height=
wind_h<surf_caps
.minImageExtent.height?
surf_caps
.minImageExtent.height
:wind_h;
}
//
//fetch surface formats
//
uint32_t surf_form_count;
vkGetPhysicalDeviceSurfaceFormatsKHR
(*phy_best_devi,surf,&surf_form_count,NULL);
VkSurfaceFormatKHR surf_forms[surf_form_count];
vkGetPhysicalDeviceSurfaceFormatsKHR
(*phy_best_devi,surf,&surf_form_count,surf_forms);
printf("fetched %d surface formats.\n",surf_form_count);
for(uint32_t i=0;i<surf_form_count;i++){
printf("format:%d\tcolorspace:%d\n",
surf_forms[i].format,
surf_forms[i].colorSpace);
}
//
//fetch surface present mode
//
uint32_t pres_mode_count;
vkGetPhysicalDeviceSurfacePresentModesKHR
(*phy_best_devi,surf,&pres_mode_count,NULL);
VkPresentModeKHR pres_modes[pres_mode_count];
vkGetPhysicalDeviceSurfacePresentModesKHR
(*phy_best_devi,surf,&pres_mode_count,pres_modes);
printf("fetched %d present modes.\n",pres_mode_count);
char mailbox_mode_supported=0;
for(uint32_t i=0;i<pres_mode_count;i++){
printf("present mode:%d\n",pres_modes[i]);
if(pres_modes[i]==VK_PRESENT_MODE_MAILBOX_KHR){
printf("mailbox present mode supported.\n");
mailbox_mode_supported=1;
}
}
//
//create swapchain
//
VkSwapchainCreateInfoKHR swap_cre_info;
swap_cre_info.sType=
VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
swap_cre_info.pNext=NULL;
swap_cre_info.flags=0;
swap_cre_info.surface=surf;
swap_cre_info.minImageCount=
surf_caps.minImageCount+1;
swap_cre_info.imageFormat=
surf_forms[0].format;
swap_cre_info.imageColorSpace=
surf_forms[0].colorSpace;
swap_cre_info.imageExtent=
extent_suitable?
surf_caps.currentExtent
:actual_extent;
swap_cre_info.imageArrayLayers=1;
swap_cre_info.imageUsage=
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
swap_cre_info.imageSharingMode=
single_queue?
VK_SHARING_MODE_EXCLUSIVE
:VK_SHARING_MODE_CONCURRENT;
swap_cre_info.queueFamilyIndexCount=
single_queue?
0:2;
uint32_t qf_indices[2]={0,1};
swap_cre_info.pQueueFamilyIndices=
single_queue?
NULL:qf_indices;
swap_cre_info.preTransform=
surf_caps.currentTransform;
swap_cre_info.compositeAlpha=
VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
swap_cre_info.presentMode=
mailbox_mode_supported?
VK_PRESENT_MODE_MAILBOX_KHR:
VK_PRESENT_MODE_FIFO_KHR;
swap_cre_info.clipped=VK_TRUE;
swap_cre_info.oldSwapchain=VK_NULL_HANDLE;
VkSwapchainKHR swap;
vkCreateSwapchainKHR(dev,&swap_cre_info,NULL,&swap);
printf("swapchain created.\n");
//
//fetch image from swapchain
//
uint32_t swap_image_count=0;
vkGetSwapchainImagesKHR
(dev,swap,&swap_image_count,NULL);
VkImage swap_images[swap_image_count];
vkGetSwapchainImagesKHR
(dev,swap,&swap_image_count,swap_images);
printf("%d images fetched from swapchain.\n",swap_image_count);
//
//create image view
//
VkImageView image_views
[swap_image_count];
VkImageViewCreateInfo
image_view_cre_infos
[swap_image_count];
VkComponentMapping
image_view_rgba_comp;
image_view_rgba_comp.r
=VK_COMPONENT_SWIZZLE_IDENTITY;
image_view_rgba_comp.g
=VK_COMPONENT_SWIZZLE_IDENTITY;
image_view_rgba_comp.b
=VK_COMPONENT_SWIZZLE_IDENTITY;
image_view_rgba_comp.a
=VK_COMPONENT_SWIZZLE_IDENTITY;
VkImageSubresourceRange
image_view_subres;
image_view_subres.aspectMask=VK_IMAGE_ASPECT_COLOR_BIT;
image_view_subres.baseMipLevel=0;
image_view_subres.levelCount=1;
image_view_subres.baseArrayLayer=0;
image_view_subres.layerCount=
swap_cre_info.imageArrayLayers;
for(uint32_t i=0;i<swap_image_count;i++){
image_view_cre_infos[i].sType=
VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
image_view_cre_infos[i]
.pNext=NULL;
image_view_cre_infos[i]
.flags=0;
image_view_cre_infos[i]
.image=swap_images[i];
image_view_cre_infos[i]
.viewType=VK_IMAGE_VIEW_TYPE_2D;
image_view_cre_infos[i]
.format=surf_forms[0].format;
image_view_cre_infos[i]
.components=image_view_rgba_comp;
image_view_cre_infos[i]
.subresourceRange=image_view_subres;
vkCreateImageView
(dev,&image_view_cre_infos[i]
,NULL,&image_views[i]);
printf("image view %d created.\n",i);
}
//
//
//render pass creation part line_477 to line_574
//
//fill attachment description
//
VkAttachmentDescription
attach_descp;
attach_descp.flags=0;
attach_descp.format=
swap_cre_info
.imageFormat;
attach_descp.samples=
VK_SAMPLE_COUNT_1_BIT;
attach_descp.loadOp=
VK_ATTACHMENT_LOAD_OP_CLEAR;
attach_descp.storeOp=
VK_ATTACHMENT_STORE_OP_STORE;
attach_descp.stencilLoadOp=
VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attach_descp.stencilStoreOp=
VK_ATTACHMENT_STORE_OP_DONT_CARE;
attach_descp.initialLayout=
VK_IMAGE_LAYOUT_UNDEFINED;
attach_descp.finalLayout=
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
printf("attachment description filled.\n");
//
//fill attachment reference
//
VkAttachmentReference attach_ref;
attach_ref.attachment=0;
attach_ref.layout=
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
printf("attachment reference filled.\n");
//
//fill subpass description
//
VkSubpassDescription
subp_descp;
subp_descp.flags=0;
subp_descp
.pipelineBindPoint=
VK_PIPELINE_BIND_POINT_GRAPHICS;
subp_descp
.inputAttachmentCount=0;
subp_descp
.pInputAttachments=NULL;
subp_descp
.colorAttachmentCount=1;
subp_descp
.pColorAttachments=&attach_ref;
subp_descp
.pResolveAttachments=NULL;
subp_descp
.pDepthStencilAttachment=NULL;
subp_descp
.preserveAttachmentCount=0;
subp_descp
.pPreserveAttachments=NULL;
printf("subpass description filled.\n");
//
//fill subpass dependency
//
VkSubpassDependency
subp_dep;
subp_dep.srcSubpass=
VK_SUBPASS_EXTERNAL;
subp_dep.dstSubpass=0;
subp_dep.srcStageMask=
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
subp_dep.dstStageMask=
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
subp_dep.srcAccessMask=0;
subp_dep.dstAccessMask=
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
subp_dep.dependencyFlags=0;
printf("subpass dependency created.\n");
//
//create render pass
//
VkRenderPassCreateInfo
rendp_cre_info;
rendp_cre_info.sType=
VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
rendp_cre_info.pNext=NULL;
rendp_cre_info.flags=0;
rendp_cre_info.attachmentCount=1;
rendp_cre_info.pAttachments=
&attach_descp;
rendp_cre_info.subpassCount=1;
rendp_cre_info.pSubpasses=&subp_descp;
rendp_cre_info.dependencyCount=1;
rendp_cre_info.pDependencies=&subp_dep;
VkRenderPass rendp;
vkCreateRenderPass(dev,&rendp_cre_info,NULL,&rendp);
printf("render pass created.\n");
//
//
//pipeline creation part line_575 to line_935
//
//load shader
//
FILE *fp_vert=NULL,
*fp_frag=NULL;
fp_vert=fopen("vert.spv","rb+");
fp_frag=fopen("frag.spv","rb+");
char shader_loaded=1;
if(fp_vert==NULL||fp_frag==NULL){
shader_loaded=0;
printf("can't find SPIR-V binaries.\n");
}
fseek(fp_vert,0,SEEK_END);
fseek(fp_frag,0,SEEK_END);
uint32_t vert_size=ftell(fp_vert);
uint32_t frag_size=ftell(fp_frag);
char *p_vert_code=(char *)
malloc(vert_size*sizeof(char));
char *p_frag_code=(char *)
malloc(frag_size*sizeof(char));
rewind(fp_vert);
rewind(fp_frag);
fread(p_vert_code,1,
vert_size,fp_vert);
printf("vertex shader binaries loaded.\n");
fread(p_frag_code,1,
frag_size,fp_frag);
printf("fragment shader binaries loaded.\n");
fclose(fp_vert);
fclose(fp_frag);
//
//create shader modules
//
VkShaderModuleCreateInfo
vert_shad_mod_cre_info;
vert_shad_mod_cre_info.sType=
VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
vert_shad_mod_cre_info.pNext=NULL;
vert_shad_mod_cre_info.flags=0;
vert_shad_mod_cre_info.codeSize=shader_loaded?vert_size:0;
vert_shad_mod_cre_info.pCode=
shader_loaded?
(const uint32_t *)p_vert_code:NULL;
VkShaderModuleCreateInfo
frag_shad_mod_cre_info;
frag_shad_mod_cre_info.sType=
VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
frag_shad_mod_cre_info.pNext=NULL;
frag_shad_mod_cre_info.flags=0;
frag_shad_mod_cre_info.codeSize=shader_loaded?frag_size:0;
frag_shad_mod_cre_info.pCode=
shader_loaded?
(const uint32_t *)p_frag_code:NULL;
VkShaderModule
vert_shad_mod,
frag_shad_mod;
vkCreateShaderModule
(dev,&vert_shad_mod_cre_info,NULL,&vert_shad_mod);
printf("vertex shader module created.\n");
vkCreateShaderModule
(dev,&frag_shad_mod_cre_info,NULL,&frag_shad_mod);
printf("fragment shader module created.\n");
//
//fill shader stage info
//
VkPipelineShaderStageCreateInfo
vert_shad_stage_cre_info,
frag_shad_stage_cre_info,
shad_stage_cre_infos[2];
vert_shad_stage_cre_info.sType=
VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
vert_shad_stage_cre_info.pNext=NULL;
vert_shad_stage_cre_info.flags=0;
vert_shad_stage_cre_info.stage=
VK_SHADER_STAGE_VERTEX_BIT;
vert_shad_stage_cre_info.module=
vert_shad_mod;
char vert_entry
[VK_MAX_EXTENSION_NAME_SIZE];
strcpy(vert_entry,"main");
vert_shad_stage_cre_info.pName=vert_entry;
vert_shad_stage_cre_info
.pSpecializationInfo=NULL;
printf("vertex shader stage info filled.\n");
frag_shad_stage_cre_info.sType=
VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
frag_shad_stage_cre_info.pNext=NULL;
frag_shad_stage_cre_info.flags=0;
frag_shad_stage_cre_info.stage=
VK_SHADER_STAGE_FRAGMENT_BIT;
frag_shad_stage_cre_info.module=
frag_shad_mod;
char frag_entry
[VK_MAX_EXTENSION_NAME_SIZE];
strcpy(frag_entry,"main");
frag_shad_stage_cre_info.pName=frag_entry;
frag_shad_stage_cre_info
.pSpecializationInfo=NULL;
printf("fragment shader stage info filled.\n");
shad_stage_cre_infos[0]=vert_shad_stage_cre_info;
shad_stage_cre_infos[1]=frag_shad_stage_cre_info;
//
//fill vertex input state info
//
VkPipelineVertexInputStateCreateInfo
vert_input_info;
vert_input_info.sType=
VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
vert_input_info.pNext=NULL;
vert_input_info.flags=0;
vert_input_info
.vertexBindingDescriptionCount=0;
vert_input_info
.pVertexBindingDescriptions=NULL;
vert_input_info
.vertexAttributeDescriptionCount=0;
vert_input_info
.pVertexAttributeDescriptions=NULL;
printf("vertex input state info filled.\n");
//
//fill input assembly state info
//
VkPipelineInputAssemblyStateCreateInfo
input_asm_info;
input_asm_info.sType=
VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
input_asm_info.pNext=NULL;
input_asm_info.flags=0;
input_asm_info.topology=
VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
input_asm_info.primitiveRestartEnable=VK_FALSE;
printf("input assembly info filled.\n");
//
//fill viewport
//
VkViewport viewport;
viewport.x=0.0f;
viewport.y=0.0f;
viewport.width=
(float)swap_cre_info
.imageExtent.width;
viewport.height=
(float)swap_cre_info
.imageExtent.height;
viewport.minDepth=0.0f;
viewport.maxDepth=1.0f;
printf("viewport filled.\n");
//
//fill scissor
//
VkRect2D scissor;
VkOffset2D sci_offset;
sci_offset.x=0;
sci_offset.y=0;
scissor.offset=sci_offset;
scissor.extent=swap_cre_info
.imageExtent;
printf("scissor filled.\n");
//
//fill viewport state info
//
VkPipelineViewportStateCreateInfo
vwp_state_cre_info;
vwp_state_cre_info.sType=
VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
vwp_state_cre_info.pNext=NULL;
vwp_state_cre_info.flags=0;
vwp_state_cre_info.viewportCount=1;
vwp_state_cre_info.pViewports=&viewport;
vwp_state_cre_info.scissorCount=1;
vwp_state_cre_info.pScissors=&scissor;
printf("viewport state filled.\n");
//
//fill rasterizer state info
//
VkPipelineRasterizationStateCreateInfo
rast_cre_info;
rast_cre_info.sType=
VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
rast_cre_info.pNext=NULL;
rast_cre_info.flags=0;
rast_cre_info
.depthClampEnable=VK_FALSE;
rast_cre_info
.rasterizerDiscardEnable=VK_FALSE;
rast_cre_info
.polygonMode=VK_POLYGON_MODE_FILL;
rast_cre_info
.cullMode=VK_CULL_MODE_BACK_BIT;
rast_cre_info
.frontFace=VK_FRONT_FACE_CLOCKWISE;
rast_cre_info
.depthBiasEnable=VK_FALSE;
rast_cre_info
.depthBiasConstantFactor=0.0f;
rast_cre_info
.depthBiasClamp=0.0f;
rast_cre_info
.depthBiasSlopeFactor=0.0f;
rast_cre_info
.lineWidth=1.0f;
printf("rasterization info filled.\n");
//
//fill multisampling state info
//
VkPipelineMultisampleStateCreateInfo
mul_sam_cre_info;
mul_sam_cre_info.sType=
VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
mul_sam_cre_info.pNext=NULL;
mul_sam_cre_info.flags=0;
mul_sam_cre_info
.rasterizationSamples=VK_SAMPLE_COUNT_1_BIT;
mul_sam_cre_info
.sampleShadingEnable=VK_FALSE;
mul_sam_cre_info
.minSampleShading=1.0f;
mul_sam_cre_info
.pSampleMask=NULL;
mul_sam_cre_info
.alphaToCoverageEnable=VK_FALSE;
mul_sam_cre_info
.alphaToOneEnable=VK_FALSE;
printf("multisample info filled.\n");
//
//fill color blend attachment state
//
VkPipelineColorBlendAttachmentState
color_blend_attach;
color_blend_attach
.blendEnable=VK_FALSE;
color_blend_attach
.srcColorBlendFactor=
VK_BLEND_FACTOR_ONE;
color_blend_attach
.dstColorBlendFactor=
VK_BLEND_FACTOR_ZERO;
color_blend_attach
.colorBlendOp=
VK_BLEND_OP_ADD;
color_blend_attach
.srcAlphaBlendFactor=
VK_BLEND_FACTOR_ONE;
color_blend_attach
.dstAlphaBlendFactor=
VK_BLEND_FACTOR_ZERO;
color_blend_attach
.alphaBlendOp=
VK_BLEND_OP_ADD;
color_blend_attach
.colorWriteMask
=VK_COLOR_COMPONENT_R_BIT
|VK_COLOR_COMPONENT_G_BIT
|VK_COLOR_COMPONENT_B_BIT
|VK_COLOR_COMPONENT_A_BIT;
printf("color blend attachment state filled.\n");
//
//fill color blend state info
//
VkPipelineColorBlendStateCreateInfo
color_blend_cre_info;
color_blend_cre_info.sType=
VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
color_blend_cre_info.pNext=NULL;
color_blend_cre_info.flags=0;
color_blend_cre_info
.logicOpEnable=VK_FALSE;
color_blend_cre_info
.logicOp=VK_LOGIC_OP_COPY;
color_blend_cre_info
.attachmentCount=1;
color_blend_cre_info
.pAttachments=
&color_blend_attach;
for(uint32_t i=0;i<4;i++){
color_blend_cre_info.
blendConstants[i]=0.0f;
}
printf("color blend state info filled.\n");
//
//create pipeline layout
//
VkPipelineLayoutCreateInfo
pipe_lay_cre_info;
pipe_lay_cre_info.sType=
VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
pipe_lay_cre_info.pNext=NULL;
pipe_lay_cre_info.flags=0;
pipe_lay_cre_info.setLayoutCount=0;
pipe_lay_cre_info.pSetLayouts=NULL;
pipe_lay_cre_info
.pushConstantRangeCount=0;
pipe_lay_cre_info
.pPushConstantRanges=NULL;
VkPipelineLayout pipe_layout;
vkCreatePipelineLayout(dev,&pipe_lay_cre_info,NULL,&pipe_layout);
printf("pipeline layout created.\n");
//
//create pipeline
//
VkGraphicsPipelineCreateInfo
pipe_cre_info;
pipe_cre_info.sType=
VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
pipe_cre_info.pNext=NULL;
pipe_cre_info.flags=0;
pipe_cre_info.stageCount=2;
pipe_cre_info.pStages=
shad_stage_cre_infos;
pipe_cre_info.pVertexInputState=
&vert_input_info;
pipe_cre_info.pInputAssemblyState=
&input_asm_info;
pipe_cre_info.pTessellationState=NULL;
pipe_cre_info.pViewportState=
&vwp_state_cre_info;
pipe_cre_info.pRasterizationState=
&rast_cre_info;
pipe_cre_info.pMultisampleState=
&mul_sam_cre_info;
pipe_cre_info.pDepthStencilState=NULL;
pipe_cre_info.pColorBlendState=
&color_blend_cre_info;
pipe_cre_info.pDynamicState=NULL;
pipe_cre_info.layout=pipe_layout;
pipe_cre_info.renderPass=rendp;
pipe_cre_info.subpass=0;
pipe_cre_info.basePipelineHandle=
VK_NULL_HANDLE;
pipe_cre_info.basePipelineIndex=-1;
VkPipeline pipe;
vkCreateGraphicsPipelines
(dev,VK_NULL_HANDLE,1,&pipe_cre_info,NULL,&pipe);
printf("graphics pipeline created.\n");
//
//destroy shader module
//
vkDestroyShaderModule
(dev,frag_shad_mod,NULL);
printf("fragment shader module destroyed.\n");
vkDestroyShaderModule
(dev,vert_shad_mod,NULL);
printf("vertex shader module destroyed.\n");
free(p_frag_code);
printf("fragment shader binaries released.\n");
free(p_vert_code);
printf("vertex shader binaries released.\n");
//
//
//framebuffer creation line_936 to line_967
//
//create framebuffer
//
VkFramebufferCreateInfo
frame_buff_cre_infos[swap_image_count];
VkFramebuffer
frame_buffs[swap_image_count];
VkImageView image_attachs[swap_image_count];
for(uint32_t i=0;i<swap_image_count;i++){
image_attachs[i]=image_views[i];
frame_buff_cre_infos[i].sType=
VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
frame_buff_cre_infos[i].pNext=NULL;
frame_buff_cre_infos[i].flags=0;
frame_buff_cre_infos[i].renderPass=rendp;
frame_buff_cre_infos[i].attachmentCount=1;
frame_buff_cre_infos[i].pAttachments=
&(image_attachs[i]);
frame_buff_cre_infos[i].width=
swap_cre_info.imageExtent.width;
frame_buff_cre_infos[i].height=
swap_cre_info.imageExtent.height;
frame_buff_cre_infos[i].layers=1;
vkCreateFramebuffer
(dev,&(frame_buff_cre_infos[i]),
NULL,&(frame_buffs[i]));
printf("framebuffer %d created.\n",i);
}
//
//
//command buffer creation line_968 to line_1001
//
//create command pool
//
VkCommandPoolCreateInfo cmd_pool_cre_info;
cmd_pool_cre_info.sType=
VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
cmd_pool_cre_info.pNext=NULL;
cmd_pool_cre_info.flags=0;
cmd_pool_cre_info.queueFamilyIndex=qf_best_index;
VkCommandPool cmd_pool;
vkCreateCommandPool(dev,&cmd_pool_cre_info,NULL,&cmd_pool);
printf("command pool created.\n");
//
//allocate command buffers
//
VkCommandBufferAllocateInfo
cmd_buff_alloc_info;
cmd_buff_alloc_info.sType=
VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
cmd_buff_alloc_info.pNext=NULL;
cmd_buff_alloc_info.commandPool=cmd_pool;
cmd_buff_alloc_info.level=
VK_COMMAND_BUFFER_LEVEL_PRIMARY;
cmd_buff_alloc_info.commandBufferCount=
swap_image_count;
VkCommandBuffer cmd_buffers[swap_image_count];
vkAllocateCommandBuffers
(dev,&cmd_buff_alloc_info,cmd_buffers);
printf("command buffers allocated.\n");
//