mirror of
https://github.com/w23/xash3d-fwgs
synced 2024-12-16 14:10:11 +01:00
112 lines
3.4 KiB
C
112 lines
3.4 KiB
C
#include "vk_buffer.h"
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qboolean VK_BufferCreate(const char *debug_name, vk_buffer_t *buf, uint32_t size, VkBufferUsageFlags usage, VkMemoryPropertyFlags flags)
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{
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VkBufferCreateInfo bci = {
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.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
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.size = size,
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.usage = usage,
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.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
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};
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VkMemoryRequirements memreq;
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XVK_CHECK(vkCreateBuffer(vk_core.device, &bci, NULL, &buf->buffer));
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SET_DEBUG_NAME(buf->buffer, VK_OBJECT_TYPE_BUFFER, debug_name);
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vkGetBufferMemoryRequirements(vk_core.device, buf->buffer, &memreq);
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if (usage & VK_BUFFER_USAGE_SHADER_BINDING_TABLE_BIT_KHR) {
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memreq.alignment = ALIGN_UP(memreq.alignment, vk_core.physical_device.properties_ray_tracing_pipeline.shaderGroupBaseAlignment);
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}
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buf->devmem = VK_DevMemAllocate(debug_name, memreq, flags, usage & VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT ? VK_MEMORY_ALLOCATE_DEVICE_ADDRESS_BIT : 0);
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XVK_CHECK(vkBindBufferMemory(vk_core.device, buf->buffer, buf->devmem.device_memory, buf->devmem.offset));
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buf->mapped = buf->devmem.mapped;
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buf->size = size;
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return true;
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}
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void VK_BufferDestroy(vk_buffer_t *buf) {
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if (buf->buffer) {
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vkDestroyBuffer(vk_core.device, buf->buffer, NULL);
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buf->buffer = VK_NULL_HANDLE;
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}
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if (buf->devmem.device_memory) {
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VK_DevMemFree(&buf->devmem);
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buf->devmem.device_memory = VK_NULL_HANDLE;
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buf->devmem.offset = 0;
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buf->mapped = 0;
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buf->size = 0;
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}
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}
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VkDeviceAddress R_VkBufferGetDeviceAddress(VkBuffer buffer) {
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const VkBufferDeviceAddressInfo bdai = {.sType = VK_STRUCTURE_TYPE_BUFFER_DEVICE_ADDRESS_INFO, .buffer = buffer};
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return vkGetBufferDeviceAddress(vk_core.device, &bdai);
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}
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void R_FlippingBuffer_Init(r_flipping_buffer_t *flibuf, uint32_t size) {
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aloRingInit(&flibuf->ring, size);
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R_FlippingBuffer_Clear(flibuf);
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}
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void R_FlippingBuffer_Clear(r_flipping_buffer_t *flibuf) {
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aloRingInit(&flibuf->ring, flibuf->ring.size);
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flibuf->frame_offsets[0] = flibuf->frame_offsets[1] = ALO_ALLOC_FAILED;
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}
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uint32_t R_FlippingBuffer_Alloc(r_flipping_buffer_t* flibuf, uint32_t size, uint32_t align) {
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const uint32_t offset = aloRingAlloc(&flibuf->ring, size, align);
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if (offset == ALO_ALLOC_FAILED)
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return ALO_ALLOC_FAILED;
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if (flibuf->frame_offsets[1] == ALO_ALLOC_FAILED)
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flibuf->frame_offsets[1] = offset;
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return offset;
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}
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void R_FlippingBuffer_Flip(r_flipping_buffer_t* flibuf) {
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if (flibuf->frame_offsets[0] != ALO_ALLOC_FAILED)
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aloRingFree(&flibuf->ring, flibuf->frame_offsets[0]);
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flibuf->frame_offsets[0] = flibuf->frame_offsets[1];
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flibuf->frame_offsets[1] = ALO_ALLOC_FAILED;
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}
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void R_DEBuffer_Init(r_debuffer_t *debuf, uint32_t static_size, uint32_t dynamic_size) {
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R_FlippingBuffer_Init(&debuf->dynamic, dynamic_size);
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debuf->static_size = static_size;
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debuf->static_offset = 0;
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}
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uint32_t R_DEBuffer_Alloc(r_debuffer_t* debuf, r_lifetime_t lifetime, uint32_t size, uint32_t align) {
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switch (lifetime) {
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case LifetimeDynamic:
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{
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const uint32_t offset = R_FlippingBuffer_Alloc(&debuf->dynamic, size, align);
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if (offset == ALO_ALLOC_FAILED)
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return ALO_ALLOC_FAILED;
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return offset + debuf->static_size;
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}
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case LifetimeStatic:
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{
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const uint32_t offset = ALIGN_UP(debuf->static_offset, align);
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const uint32_t end = offset + size;
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if (end > debuf->static_size)
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return ALO_ALLOC_FAILED;
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debuf->static_offset = end;
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return offset;
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}
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}
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return ALO_ALLOC_FAILED;
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}
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void R_DEBuffer_Flip(r_debuffer_t* debuf) {
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R_FlippingBuffer_Flip(&debuf->dynamic);
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}
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