mirror of
https://github.com/w23/xash3d-fwgs
synced 2024-12-15 21:50:59 +01:00
128 lines
4.0 KiB
C
128 lines
4.0 KiB
C
#include "vk_buffer.h"
|
|
|
|
qboolean VK_BufferCreate(const char *debug_name, vk_buffer_t *buf, uint32_t size, VkBufferUsageFlags usage, VkMemoryPropertyFlags flags)
|
|
{
|
|
VkBufferCreateInfo bci = {
|
|
.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
|
|
.size = size,
|
|
.usage = usage,
|
|
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
|
|
};
|
|
VkMemoryRequirements memreq;
|
|
XVK_CHECK(vkCreateBuffer(vk_core.device, &bci, NULL, &buf->buffer));
|
|
SET_DEBUG_NAME(buf->buffer, VK_OBJECT_TYPE_BUFFER, debug_name);
|
|
|
|
vkGetBufferMemoryRequirements(vk_core.device, buf->buffer, &memreq);
|
|
|
|
if (usage & VK_BUFFER_USAGE_SHADER_BINDING_TABLE_BIT_KHR) {
|
|
memreq.alignment = ALIGN_UP(memreq.alignment, vk_core.physical_device.properties_ray_tracing_pipeline.shaderGroupBaseAlignment);
|
|
}
|
|
buf->devmem = VK_DevMemAllocate(debug_name, memreq, flags, usage & VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT ? VK_MEMORY_ALLOCATE_DEVICE_ADDRESS_BIT : 0);
|
|
XVK_CHECK(vkBindBufferMemory(vk_core.device, buf->buffer, buf->devmem.device_memory, buf->devmem.offset));
|
|
|
|
buf->mapped = buf->devmem.mapped;
|
|
|
|
buf->size = size;
|
|
|
|
return true;
|
|
}
|
|
|
|
void VK_BufferDestroy(vk_buffer_t *buf) {
|
|
if (buf->buffer) {
|
|
vkDestroyBuffer(vk_core.device, buf->buffer, NULL);
|
|
buf->buffer = VK_NULL_HANDLE;
|
|
}
|
|
|
|
if (buf->devmem.device_memory) {
|
|
VK_DevMemFree(&buf->devmem);
|
|
buf->devmem.device_memory = VK_NULL_HANDLE;
|
|
buf->devmem.offset = 0;
|
|
buf->mapped = 0;
|
|
buf->size = 0;
|
|
}
|
|
}
|
|
|
|
void VK_RingBuffer_Clear(vk_ring_buffer_t* buf) {
|
|
buf->offset_free = 0;
|
|
buf->permanent_size = 0;
|
|
buf->free = buf->size;
|
|
}
|
|
|
|
// < v->
|
|
// |MAP|.........|FRAME|...|
|
|
// ^ XXXXX
|
|
|
|
uint32_t VK_RingBuffer_Alloc(vk_ring_buffer_t* buf, uint32_t size, uint32_t align) {
|
|
uint32_t offset = ALIGN_UP(buf->offset_free, align);
|
|
const uint32_t align_diff = offset - buf->offset_free;
|
|
uint32_t available = buf->free - align_diff;
|
|
const uint32_t tail = buf->size - offset;
|
|
|
|
if (available < size)
|
|
return AllocFailed;
|
|
|
|
if (size > tail) {
|
|
offset = ALIGN_UP(buf->permanent_size, align);
|
|
available -= (offset - buf->permanent_size) - tail;
|
|
}
|
|
|
|
if (available < size)
|
|
return AllocFailed;
|
|
|
|
buf->offset_free = offset + size;
|
|
buf->free = available - size;
|
|
|
|
return offset;
|
|
}
|
|
|
|
void VK_RingBuffer_Fix(vk_ring_buffer_t* buf) {
|
|
ASSERT(buf->permanent_size == 0);
|
|
buf->permanent_size = buf->offset_free;
|
|
}
|
|
|
|
void VK_RingBuffer_ClearFrame(vk_ring_buffer_t* buf) {
|
|
buf->offset_free = buf->permanent_size;
|
|
buf->free = buf->size - buf->permanent_size;
|
|
}
|
|
|
|
VkDeviceAddress XVK_BufferGetDeviceAddress(VkBuffer buffer) {
|
|
const VkBufferDeviceAddressInfo bdai = {.sType = VK_STRUCTURE_TYPE_BUFFER_DEVICE_ADDRESS_INFO, .buffer = buffer};
|
|
return vkGetBufferDeviceAddress(vk_core.device, &bdai);
|
|
}
|
|
|
|
void R_DEBuffer_Init(r_debuffer_t *debuf, uint32_t static_size, uint32_t dynamic_size) {
|
|
aloRingInit(&debuf->static_ring, static_size);
|
|
aloRingInit(&debuf->dynamic_ring, dynamic_size);
|
|
debuf->static_size = static_size;
|
|
debuf->frame_dynamic_offset[0] = debuf->frame_dynamic_offset[1] = ALO_ALLOC_FAILED;
|
|
}
|
|
|
|
uint32_t R_DEBuffer_Alloc(r_debuffer_t* debuf, r_lifetime_t lifetime, uint32_t size, uint32_t align) {
|
|
alo_ring_t * const ring = (lifetime == LifetimeStatic) ? &debuf->static_ring : &debuf->dynamic_ring;
|
|
const uint32_t alloc_offset = aloRingAlloc(ring, size, align);
|
|
const uint32_t offset = alloc_offset + ((lifetime == LifetimeDynamic) ? debuf->static_size : 0);
|
|
|
|
if (alloc_offset == ALO_ALLOC_FAILED) {
|
|
/* gEngine.Con_Printf(S_ERROR "Cannot allocate %d %s bytes\n", */
|
|
/* size, */
|
|
/* lifetime == LifetimeDynamic ? "dynamic" : "static"); */
|
|
return ALO_ALLOC_FAILED;
|
|
}
|
|
|
|
// Store first dynamic allocation this frame
|
|
if (lifetime == LifetimeDynamic && debuf->frame_dynamic_offset[1] == ALO_ALLOC_FAILED) {
|
|
debuf->frame_dynamic_offset[1] = alloc_offset;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
void R_DEBuffer_Flip(r_debuffer_t* debuf) {
|
|
if (debuf->frame_dynamic_offset[0] != ALO_ALLOC_FAILED)
|
|
aloRingFree(&debuf->dynamic_ring, debuf->frame_dynamic_offset[0]);
|
|
|
|
debuf->frame_dynamic_offset[0] = debuf->frame_dynamic_offset[1];
|
|
debuf->frame_dynamic_offset[1] = ALO_ALLOC_FAILED;
|
|
}
|
|
|