some bugs in memory allocation

This commit is contained in:
Gregory Wells
2025-06-12 12:26:36 -04:00
parent e0869b9ed3
commit dabd88465f
10 changed files with 120 additions and 107 deletions

View File

@@ -7,50 +7,47 @@ static VKAPI_ATTR VkBool32 VKAPI_CALL vk_debuggerDebugCallback(
VkDebugUtilsMessageTypeFlagsEXT messageType,
const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData,
void* pUserData) {
printf("Created instance: %s\n", pCallbackData->pMessage);
gnMessageSeverity severity;
gnMessageType type;
gnMessageData data = {
.message = gnCreateString(pCallbackData->pMessage)
};
// gnMessageSeverity severity;
// gnMessageType type;
// gnMessageData data = {
// .message = gnCreateString(pCallbackData->pMessage)
// };
switch (messageSeverity) {
default: break;
case VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT: severity = GN_MESSAGE_VERBOSE; break;
case VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT: severity = GN_MESSAGE_INFO; break;
case VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT: severity = GN_MESSAGE_WARNING; break;
case VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT: severity = GN_MESSAGE_ERROR; break;
}
// switch (messageSeverity) {
// default: break;
// case VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT: severity = GN_MESSAGE_VERBOSE; break;
// case VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT: severity = GN_MESSAGE_INFO; break;
// case VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT: severity = GN_MESSAGE_WARNING; break;
// case VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT: severity = GN_MESSAGE_ERROR; break;
// }
switch (messageType) {
default: break;
case VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT: type = GN_DEBUG_MESSAGE_GENERAL; break;
case VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT: type = GN_DEBUG_MESSAGE_VALIDATION; break;
case VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT: type = GN_DEBUG_MESSAGE_PERFORMANCE; break;
}
// switch (messageType) {
// default: break;
// case VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT: type = GN_DEBUG_MESSAGE_GENERAL; break;
// case VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT: type = GN_DEBUG_MESSAGE_VALIDATION; break;
// case VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT: type = GN_DEBUG_MESSAGE_PERFORMANCE; break;
// }
gnInstanceHandle instance = (gnInstanceHandle)pUserData;
// gnInstanceHandle instance = (gnInstanceHandle)pUserData;
if (instance->debugger) {
instance->debugger->info.callback(
severity, type, data, instance->debugger->info.userData
);
} else {
instance->instance->instanceMessageCount++;
if (instance->instance->instanceMessageCount == 1)
instance->instance->instanceMessages = malloc(sizeof(struct gnInstanceMessage) * instance->instance->instanceMessageCount);
else
instance->instance->instanceMessages = realloc(instance->instance->instanceMessages, sizeof(struct gnInstanceMessage) * instance->instance->instanceMessageCount);
// if (instance->debugger) {
// instance->debugger->info.callback(
// severity, type, data, instance->debugger->info.userData
// );
// } else {
// instance->instance->instanceMessageCount++;
// if (instance->instance->instanceMessageCount == 1) {
// instance->instance->instanceMessages = malloc(sizeof(struct gnInstanceMessage) * instance->instance->instanceMessageCount);
// }
// else {
// instance->instance->instanceMessages = realloc(instance->instance->instanceMessages, sizeof(struct gnInstanceMessage) * instance->instance->instanceMessageCount);
// }
// instance->instance->instanceMessages[instance->instance->instanceMessageCount - 1] = (struct gnInstanceMessage){
// .data = data,
// .severity = severity,
// .type = type
// };
// }
instance->instance->instanceMessages[instance->instance->instanceMessageCount - 1] = (struct gnInstanceMessage){
.data = data,
.severity = severity,
.type = type
};
}
return VK_FALSE;
}

View File

@@ -76,9 +76,11 @@ gnReturnCode gnCreateOutputDeviceFn(gnOutputDeviceHandle outputDevice, gnInstanc
.queueFamilyIndex = transferQueueIndex
};
if (vkCreateCommandPool(outputDevice->outputDevice->device, &poolInfo, NULL, &outputDevice->outputDevice->transferCommandPool) != VK_SUCCESS) {
if (vkCreateCommandPool(outputDevice->outputDevice->device, &poolInfo, NULL, &outputDevice->outputDevice->transferCommandPool) != VK_SUCCESS)
return GN_FAILED_TO_CREATE_COMMAND_POOL;
}
free(queueCreateInfos);
free(queueFamilies);
return GN_SUCCESS;
}

View File

@@ -4,6 +4,9 @@
#include "renderpass/vulkan_render_pass_descriptor.h"
#include "uniforms/vulkan_uniform_layout.h"
#include "stdio.h"
VkDynamicState vkGryphnDynamicStateToVulkanDynamicState(enum gnDynamicState_e state) {
switch (state) {
case GN_DYNAMIC_VIEWPORT: return VK_DYNAMIC_STATE_VIEWPORT;
@@ -63,37 +66,35 @@ VkFormat vkGryphnVertexFormat(gnVertexFormat format) {
gnReturnCode gnCreateGraphicsPipelineFn(gnGraphicsPipeline graphicsPipeline, gnDevice device, gnGraphicsPipelineInfo info) {
graphicsPipeline->graphicsPipeline = malloc(sizeof(gnPlatformGraphicsPipeline));
for (int i = 0; i < GN_DYNAMIC_STATE_MAX; i++) graphicsPipeline->graphicsPipeline->isDynamic[i] = gnFalse;
VkDynamicState* dynamicStates = malloc(sizeof(VkDynamicState) * info.dynamicState.dynamicStateCount);
graphicsPipeline->graphicsPipeline->dynamicStates = malloc(sizeof(VkDynamicState) * info.dynamicState.dynamicStateCount);
for (int i = 0; i < info.dynamicState.dynamicStateCount; i++) {
graphicsPipeline->graphicsPipeline->isDynamic[info.dynamicState.dynamicStates[i]] = gnTrue;
dynamicStates[i] = vkGryphnDynamicStateToVulkanDynamicState(info.dynamicState.dynamicStates[i]);
graphicsPipeline->graphicsPipeline->dynamicStates[i] = vkGryphnDynamicStateToVulkanDynamicState(info.dynamicState.dynamicStates[i]);
}
graphicsPipeline->graphicsPipeline->dynamicState = (VkPipelineDynamicStateCreateInfo){
.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,
.dynamicStateCount = info.dynamicState.dynamicStateCount,
.pDynamicStates = dynamicStates
.pDynamicStates = graphicsPipeline->graphicsPipeline->dynamicStates
};
int vertexAttributeCount = 0;
VkVertexInputAttributeDescription* attributeDescriptions = NULL;
VkVertexInputBindingDescription* bindingDescriptions = malloc(sizeof(VkVertexInputBindingDescription) * info.shaderInputLayout.bufferCount);
graphicsPipeline->graphicsPipeline->bindingDescriptions = malloc(sizeof(VkVertexInputBindingDescription) * info.shaderInputLayout.bufferCount);
for (int i = 0; i < info.shaderInputLayout.bufferCount; i++) {
bindingDescriptions[i].binding = info.shaderInputLayout.bufferAttributes[i].binding;
bindingDescriptions[i].stride = info.shaderInputLayout.bufferAttributes[i].size;
bindingDescriptions[i].inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
graphicsPipeline->graphicsPipeline->bindingDescriptions[i].binding = info.shaderInputLayout.bufferAttributes[i].binding;
graphicsPipeline->graphicsPipeline->bindingDescriptions[i].stride = info.shaderInputLayout.bufferAttributes[i].size;
graphicsPipeline->graphicsPipeline->bindingDescriptions[i].inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
vertexAttributeCount += info.shaderInputLayout.bufferAttributes[i].attributeCount;
}
attributeDescriptions = malloc(sizeof(VkVertexInputBindingDescription) * vertexAttributeCount);
graphicsPipeline->graphicsPipeline->attributeDescriptions = malloc(sizeof(VkVertexInputAttributeDescription) * vertexAttributeCount);
for (int i = 0, j = 0; j < info.shaderInputLayout.bufferCount; j++) {
for (int k = 0; k < info.shaderInputLayout.bufferAttributes[j].attributeCount; k++) {
attributeDescriptions[i].binding = j;
attributeDescriptions[i].location = info.shaderInputLayout.bufferAttributes[j].attributes[k].location;
attributeDescriptions[i].offset = info.shaderInputLayout.bufferAttributes[j].attributes[k].offset;
attributeDescriptions[i].format = vkGryphnVertexFormat(info.shaderInputLayout.bufferAttributes[j].attributes[k].format);
graphicsPipeline->graphicsPipeline->attributeDescriptions[i].binding = j;
graphicsPipeline->graphicsPipeline->attributeDescriptions[i].location = info.shaderInputLayout.bufferAttributes[j].attributes[k].location;
graphicsPipeline->graphicsPipeline->attributeDescriptions[i].offset = info.shaderInputLayout.bufferAttributes[j].attributes[k].offset;
graphicsPipeline->graphicsPipeline->attributeDescriptions[i].format = vkGryphnVertexFormat(info.shaderInputLayout.bufferAttributes[j].attributes[k].format);
i++;
}
}
@@ -101,9 +102,9 @@ gnReturnCode gnCreateGraphicsPipelineFn(gnGraphicsPipeline graphicsPipeline, gnD
graphicsPipeline->graphicsPipeline->vertexInfo = (VkPipelineVertexInputStateCreateInfo){
.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
.vertexBindingDescriptionCount = info.shaderInputLayout.bufferCount,
.pVertexBindingDescriptions = bindingDescriptions,
.pVertexBindingDescriptions = graphicsPipeline->graphicsPipeline->bindingDescriptions,
.vertexAttributeDescriptionCount = vertexAttributeCount,
.pVertexAttributeDescriptions = attributeDescriptions
.pVertexAttributeDescriptions = graphicsPipeline->graphicsPipeline->attributeDescriptions
};
graphicsPipeline->graphicsPipeline->inputAssembly = (VkPipelineInputAssemblyStateCreateInfo){
@@ -191,19 +192,18 @@ gnReturnCode gnCreateGraphicsPipelineFn(gnGraphicsPipeline graphicsPipeline, gnD
pipelineLayoutInfo.pPushConstantRanges = NULL
};
if (vkCreatePipelineLayout(device->outputDevice->device, &pipelineLayoutInfo, NULL, &graphicsPipeline->graphicsPipeline->pipelineLayout) != VK_SUCCESS) {
if (vkCreatePipelineLayout(device->outputDevice->device, &pipelineLayoutInfo, NULL, &graphicsPipeline->graphicsPipeline->pipelineLayout) != VK_SUCCESS)
return GN_FAILED_TO_CREATE_UNIFORM_LAYOUT;
}
VkPipelineShaderStageCreateInfo* modules = malloc(sizeof(VkPipelineShaderStageCreateInfo) * info.shaderModuleCount);
graphicsPipeline->graphicsPipeline->modules = malloc(sizeof(VkPipelineShaderStageCreateInfo) * info.shaderModuleCount);
for (int i = 0; i < info.shaderModuleCount; i++) {
modules[i] = info.shaderModules[i]->shaderModule->shaderStageInfo;
graphicsPipeline->graphicsPipeline->modules[i] = info.shaderModules[i]->shaderModule->shaderStageInfo;
}
VkGraphicsPipelineCreateInfo pipelineInfo = {
.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
.stageCount = info.shaderModuleCount,
.pStages = modules,
.pStages = graphicsPipeline->graphicsPipeline->modules,
.pVertexInputState = &graphicsPipeline->graphicsPipeline->vertexInfo,
.pInputAssemblyState = &graphicsPipeline->graphicsPipeline->inputAssembly,
.pViewportState = &graphicsPipeline->graphicsPipeline->viewportState,
@@ -219,21 +219,21 @@ gnReturnCode gnCreateGraphicsPipelineFn(gnGraphicsPipeline graphicsPipeline, gnD
.basePipelineIndex = -1,
};
if (vkCreateGraphicsPipelines(device->outputDevice->device, VK_NULL_HANDLE, 1, &pipelineInfo, NULL, &graphicsPipeline->graphicsPipeline->graphicsPipeline) != VK_SUCCESS) {
if (vkCreateGraphicsPipelines(device->outputDevice->device, VK_NULL_HANDLE, 1, &pipelineInfo, NULL, &graphicsPipeline->graphicsPipeline->graphicsPipeline) != VK_SUCCESS)
return GN_FAILED_TO_CREATE_GRAPHICS_PIPELINE;
}
free(dynamicStates);
free(bindingDescriptions);
free(attributeDescriptions);
return GN_SUCCESS;
}
void gnDestroyGraphicsPipelineFn(struct gnGraphicsPipeline_t *graphicsPipeline) {
free(graphicsPipeline->graphicsPipeline->dynamicStates);
free(graphicsPipeline->graphicsPipeline->bindingDescriptions);
free(graphicsPipeline->graphicsPipeline->attributeDescriptions);
for (int i = 0; i < graphicsPipeline->graphicsPipeline->setCount; i++)
vkDestroyDescriptorSetLayout(graphicsPipeline->device->outputDevice->device, graphicsPipeline->graphicsPipeline->sets[i], NULL);
vkDestroyPipelineLayout(graphicsPipeline->device->outputDevice->device, graphicsPipeline->graphicsPipeline->pipelineLayout, NULL);
vkDestroyPipeline(graphicsPipeline->device->outputDevice->device, graphicsPipeline->graphicsPipeline->graphicsPipeline, NULL);
free(graphicsPipeline->graphicsPipeline->modules);
vkDestroyPipeline(graphicsPipeline->device->outputDevice->device, graphicsPipeline->graphicsPipeline->graphicsPipeline, NULL);
vkDestroyPipelineLayout(graphicsPipeline->device->outputDevice->device, graphicsPipeline->graphicsPipeline->pipelineLayout, NULL);
free(graphicsPipeline->graphicsPipeline);
}

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@@ -22,4 +22,12 @@ typedef struct gnPlatformGraphicsPipeline_t {
VkPipeline graphicsPipeline;
// memory that needs to be freeed
VkDynamicState* dynamicStates;
VkVertexInputBindingDescription* bindingDescriptions;
VkVertexInputAttributeDescription* attributeDescriptions;
VkPipelineShaderStageCreateInfo* modules;
} gnPlatformGraphicsPipeline;

View File

@@ -102,9 +102,8 @@ gnReturnCode gnCreatePresentationQueueFn(gnPresentationQueueHandle presentationQ
presentationQueue->images[i] = malloc(sizeof(struct gnTexture_t));
presentationQueue->images[i]->texture = malloc(sizeof(gnPlatformTexture));
imageViewCreateInfo.image = presentationQueue->presentationQueue->swapChainImages[i];
if (vkCreateImageView(device->outputDevice->device, &imageViewCreateInfo, NULL, &presentationQueue->presentationQueue->swapChainImageViews[i]) != VK_SUCCESS) {
if (vkCreateImageView(device->outputDevice->device, &imageViewCreateInfo, NULL, &presentationQueue->presentationQueue->swapChainImageViews[i]) != VK_SUCCESS)
return GN_FAILED_TO_CREATE_IMAGE_VIEW;
}
presentationQueue->images[i]->texture->image = presentationQueue->presentationQueue->swapChainImages[i];
presentationQueue->images[i]->texture->imageView = presentationQueue->presentationQueue->swapChainImageViews[i];
@@ -129,4 +128,7 @@ void gnDestroyPresentationQueueFn(gnPresentationQueueHandle queue) {
for (int i = 0; i < queue->imageCount; i++)
vkDestroyImageView(queue->outputDevice->outputDevice->device, queue->presentationQueue->swapChainImageViews[i], NULL);
vkDestroySwapchainKHR(queue->outputDevice->outputDevice->device, queue->presentationQueue->swapChain, NULL);
free(queue->presentationQueue->swapChainImageViews);
free(queue->presentationQueue->swapChainImages);
free(queue->presentationQueue);
}

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@@ -30,24 +30,26 @@ VkImageLayout vkGryphnImageLayout(gnImageLayout layout) {
gnReturnCode gnCreateRenderPassDescriptorFn(struct gnRenderPassDescriptor_t* renderPass, struct gnOutputDevice_t* device, struct gnRenderPassDescriptorInfo_t info) {
renderPass->renderPassDescriptor = malloc(sizeof(gnPlatformRenderPassDescriptor));
VkAttachmentDescription* attachments = malloc(sizeof(VkAttachmentDescription) * info.attachmentCount);
renderPass->renderPassDescriptor->attachmentCount = info.attachmentCount;
renderPass->renderPassDescriptor->attachments = malloc(sizeof(VkAttachmentDescription) * info.attachmentCount);
for (int i = 0; i < info.attachmentCount; i++) {
attachments[i].format = vkGryphnFormatToVulkanFormat(info.attachmentInfos[i].format);
attachments[i].flags = 0;
attachments[i].samples = VK_SAMPLE_COUNT_1_BIT;
renderPass->renderPassDescriptor->attachments[i].format = vkGryphnFormatToVulkanFormat(info.attachmentInfos[i].format);
renderPass->renderPassDescriptor->attachments[i].flags = 0;
renderPass->renderPassDescriptor->attachments[i].samples = VK_SAMPLE_COUNT_1_BIT;
attachments[i].loadOp = vkGryphnLoadOperation(info.attachmentInfos[i].loadOperation);
attachments[i].storeOp = vkGryphnStoreOperation(info.attachmentInfos[i].storeOperation);
renderPass->renderPassDescriptor->attachments[i].loadOp = vkGryphnLoadOperation(info.attachmentInfos[i].loadOperation);
renderPass->renderPassDescriptor->attachments[i].storeOp = vkGryphnStoreOperation(info.attachmentInfos[i].storeOperation);
attachments[i].stencilLoadOp = vkGryphnLoadOperation(info.attachmentInfos[i].stencilLoadOperation);
attachments[i].stencilStoreOp = vkGryphnStoreOperation(info.attachmentInfos[i].stencilStoreOperation);
renderPass->renderPassDescriptor->attachments[i].stencilLoadOp = vkGryphnLoadOperation(info.attachmentInfos[i].stencilLoadOperation);
renderPass->renderPassDescriptor->attachments[i].stencilStoreOp = vkGryphnStoreOperation(info.attachmentInfos[i].stencilStoreOperation);
attachments[i].initialLayout = vkGryphnImageLayout(info.attachmentInfos[i].initialLayout);
attachments[i].finalLayout = vkGryphnImageLayout(info.attachmentInfos[i].finalLayout);
renderPass->renderPassDescriptor->attachments[i].initialLayout = vkGryphnImageLayout(info.attachmentInfos[i].initialLayout);
renderPass->renderPassDescriptor->attachments[i].finalLayout = vkGryphnImageLayout(info.attachmentInfos[i].finalLayout);
}
VkSubpassDescription* subpasses = malloc(sizeof(VkSubpassDescription) * info.subpassCount);
VkAttachmentReference** colorAttachments = malloc(sizeof(VkAttachmentReference*) * info.subpassCount);
renderPass->renderPassDescriptor->subpassCount = info.subpassCount;
renderPass->renderPassDescriptor->subpasses = malloc(sizeof(VkSubpassDescription) * info.subpassCount);
renderPass->renderPassDescriptor->colorAttachments = malloc(sizeof(VkAttachmentReference*) * info.subpassCount);
VkAttachmentReference ref = {
.attachment = 0,
@@ -55,27 +57,27 @@ gnReturnCode gnCreateRenderPassDescriptorFn(struct gnRenderPassDescriptor_t* ren
};
for (int i = 0; i < info.subpassCount; i++) {
colorAttachments[i] = malloc(sizeof(VkAttachmentReference) * info.subpassInfos[i].colorAttachmentCount);
renderPass->renderPassDescriptor->colorAttachments[i] = malloc(sizeof(VkAttachmentReference) * info.subpassInfos[i].colorAttachmentCount);
for (int c = 0; c < info.subpassInfos[i].colorAttachmentCount; c++) {
colorAttachments[i][c] = (VkAttachmentReference){
renderPass->renderPassDescriptor->colorAttachments[i][c] = (VkAttachmentReference){
.attachment = info.subpassInfos[i].colorAttachments[c].index,
.layout = vkGryphnImageLayout(info.subpassInfos[i].colorAttachments[c].imageLayout)
};
}
subpasses[i] = (VkSubpassDescription){
renderPass->renderPassDescriptor->subpasses[i] = (VkSubpassDescription){
.flags = 0,
.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
.colorAttachmentCount = info.subpassInfos[i].colorAttachmentCount,
.pColorAttachments = colorAttachments[i]
.pColorAttachments = renderPass->renderPassDescriptor->colorAttachments[i]
};
}
VkSubpassDependency* dependencies = malloc(sizeof(VkSubpassDependency) * info.dependencyCount);
renderPass->renderPassDescriptor->dependencies = malloc(sizeof(VkSubpassDependency) * info.dependencyCount);
for (int i = 0; i < info.dependencyCount; i++) {
dependencies[i] = (VkSubpassDependency) {
renderPass->renderPassDescriptor->dependencies[i] = (VkSubpassDependency) {
.srcSubpass = (info.dependencies[i].source == GN_SUBPASS_EXTERNAL) ? VK_SUBPASS_EXTERNAL : info.dependencies[i].source,
.dstSubpass = (info.dependencies[i].destination == GN_SUBPASS_EXTERNAL) ? VK_SUBPASS_EXTERNAL : info.dependencies[i].destination,
.srcStageMask = info.dependencies[i].soruceStageMask,
@@ -90,24 +92,25 @@ gnReturnCode gnCreateRenderPassDescriptorFn(struct gnRenderPassDescriptor_t* ren
.pNext = NULL,
.flags = 0,
.attachmentCount = info.attachmentCount,
.pAttachments = attachments,
.pAttachments = renderPass->renderPassDescriptor->attachments,
.subpassCount = info.subpassCount,
.pSubpasses = subpasses,
.pSubpasses = renderPass->renderPassDescriptor->subpasses,
.dependencyCount = info.dependencyCount,
.pDependencies = dependencies,
.pDependencies = renderPass->renderPassDescriptor->dependencies,
};
if (vkCreateRenderPass(device->outputDevice->device, &renderPassInfo, NULL, &renderPass->renderPassDescriptor->renderPass) != VK_SUCCESS)
return GN_FAILED_TO_CREATE_RENDER_PASS;
free(attachments);
free(subpasses);
free(dependencies);
return GN_SUCCESS;
}
void gnDestroyRenderPassDescriptorFn(struct gnRenderPassDescriptor_t* renderPass) {
void gnDestroyRenderPassDescriptorFn(gnRenderPassDescriptor renderPass) {
vkDestroyRenderPass(renderPass->device->outputDevice->device, renderPass->renderPassDescriptor->renderPass, NULL);
free(renderPass->renderPassDescriptor->attachments);
free(renderPass->renderPassDescriptor->subpasses);
free(renderPass->renderPassDescriptor->dependencies);
}

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@@ -4,4 +4,13 @@
typedef struct gnPlatformRenderPassDescriptor_t {
VkRenderPass renderPass;
uint32_t attachmentCount;
VkAttachmentDescription* attachments;
uint32_t subpassCount;
VkSubpassDescription* subpasses;
VkSubpassDependency* dependencies;
VkAttachmentReference** colorAttachments;
} gnPlatformRenderPassDescriptor;