mirror of
https://github.com/w23/xash3d-fwgs
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73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
#pragma once
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#include "vk_core.h"
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#include "vk_devmem.h"
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#include "alolcator.h"
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typedef struct vk_buffer_s {
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vk_devmem_t devmem;
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VkBuffer buffer;
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void *mapped;
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uint32_t size;
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} vk_buffer_t;
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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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void VK_BufferDestroy(vk_buffer_t *buf);
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VkDeviceAddress XVK_BufferGetDeviceAddress(VkBuffer buffer);
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// v -- begin of ring buffer|permanent_size
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// |XXXMAPLIFETME|<......|FRAME1|FRAME2|FRAMEN|......................>|
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// busy pos - ^ ^ ^ ^ -- write pos | offset_free
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typedef struct {
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uint32_t size;
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uint32_t permanent_size;
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uint32_t offset_free;
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uint32_t free;
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// TODO per-frame offsets for many frames in flight
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} vk_ring_buffer_t;
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enum { AllocFailed = 0xffffffffu };
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// Marks the entire buffer as free
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void VK_RingBuffer_Clear(vk_ring_buffer_t* buf);
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// Allocates a new aligned region and returns offset to it (-1 if allocation failed)
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uint32_t VK_RingBuffer_Alloc(vk_ring_buffer_t* buf, uint32_t size, uint32_t align);
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// Fixes everything that has been allocated since Clear as permanent, ring buffer will operate on the remainder only
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// Can be called only once since Clear
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void VK_RingBuffer_Fix(vk_ring_buffer_t* buf);
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// Clears non-permantent part of the buffer
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void VK_RingBuffer_ClearFrame(vk_ring_buffer_t* buf);
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typedef struct {
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alo_ring_t ring;
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uint32_t frame_offsets[2];
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} r_flipping_buffer_t;
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void R_FlippingBuffer_Init(r_flipping_buffer_t *flibuf, uint32_t size);
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void R_FlippingBuffer_Clear(r_flipping_buffer_t *flibuf);
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uint32_t R_FlippingBuffer_Alloc(r_flipping_buffer_t* flibuf, uint32_t size, uint32_t align);
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void R_FlippingBuffer_Flip(r_flipping_buffer_t* flibuf);
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typedef struct {
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r_flipping_buffer_t dynamic;
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uint32_t static_size;
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uint32_t static_offset;
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} r_debuffer_t;
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typedef enum {
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LifetimeStatic, LifetimeDynamic,
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} r_lifetime_t;
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void R_DEBuffer_Init(r_debuffer_t *debuf, uint32_t static_size, uint32_t dynamic_size);
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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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void R_DEBuffer_Flip(r_debuffer_t* debuf);
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