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create buffers with VMA

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This commit is contained in:
Gregory Wells
2025-08-12 14:10:25 -04:00
parent bddc4dfb0d
commit 88aa38adbf
8 changed files with 114 additions and 94 deletions
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37
projects/apis/vulkan/src/output_device/vulkan_output_device.c
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@@ -4,6 +4,7 @@
#include "vulkan_device_extensions.h"
#include "instance/gryphn_instance.h"
#include "commands/command_buffer/vulkan_command_buffer.h"
#include "instance/vulkan_instance.h"
#include "vulkan_result_converter.h"
#include "string.h"
@@ -95,15 +96,34 @@ gnReturnCode createVulkanOutputDevice(gnInstanceHandle instance, gnOutputDeviceH
VkResult fence_result = vkCreateFence(device->outputDevice->device, &fenceInfo, NULL, &device->outputDevice->barrierFence);
if (fence_result != VK_SUCCESS) VkResultToGnReturnCode(fence_result);
VmaAllocatorCreateInfo allocatorCreateInfo = {
.device = device->outputDevice->device,
.physicalDevice = device->outputDevice->physicalDevice,
.instance = instance->instance->vk_instance,
};
if (vmaCreateAllocator(&allocatorCreateInfo, &device->outputDevice->allocator) != VK_SUCCESS)
return GN_FAILED_CREATE_ALLOCATOR;
// create the massive staging buffer
device->outputDevice->stagingBufferSize = 128 * 1024 * 1024;
gnReturnCode code = VkCreateBuffer(
&device->outputDevice->stagingBuffer,
device->outputDevice->stagingBufferSize, device,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
VK_BUFFER_USAGE_TRANSFER_SRC_BIT
);
return code; // lowkey is a hack
VkBufferCreateInfo bufferCreateInfo = {
.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.queueFamilyIndexCount = 0,
.size = device->outputDevice->stagingBufferSize,
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT
};
VmaAllocationCreateInfo bufferAllocationInfo = {
.usage = VMA_MEMORY_USAGE_CPU_ONLY,
.flags = VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT,
.requiredFlags = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
};
return VkResultToGnReturnCode(vmaCreateBuffer(device->outputDevice->allocator, &bufferCreateInfo, &bufferAllocationInfo, &device->outputDevice->stagingBuffer.buffer, &device->outputDevice->stagingBuffer.allocation, NULL)); // lowkey is a hack
}
void waitForDevice(const gnOutputDeviceHandle device) {
@@ -112,9 +132,10 @@ void waitForDevice(const gnOutputDeviceHandle device) {
void destroyVulkanOutputDevice(gnOutputDeviceHandle device) {
vkDestroyFence(device->outputDevice->device, device->outputDevice->barrierFence, NULL);
gnDestroyVulkanBuffer(&device->outputDevice->stagingBuffer, device->outputDevice->device);
vmaDestroyBuffer(device->outputDevice->allocator, device->outputDevice->stagingBuffer.buffer, device->outputDevice->stagingBuffer.allocation);
vkDestroyCommandPool(device->outputDevice->device, device->outputDevice->transferCommandPool, NULL);
vkDestroyDevice(device->outputDevice->device, NULL);
vmaDestroyAllocator(device->outputDevice->allocator);
free(device->outputDevice);
}