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xash3d-fwgs
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implement debuffer on top of flipping buffer

This commit is contained in:
Ivan 'provod' Avdeev 2022-06-26 01:04:52 -07:00 committed by Ivan Avdeev
parent b634d6251e
commit 0fcd05554a
2 changed files with 45 additions and 49 deletions
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68
ref_vk/vk_buffer.c
View File

@ -90,41 +90,6 @@ VkDeviceAddress XVK_BufferGetDeviceAddress(VkBuffer 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;
}
void R_FlippingBuffer_Init(r_flipping_buffer_t *flibuf, uint32_t size) {
aloRingInit(&flibuf->ring, size);
R_FlippingBuffer_Clear(flibuf);
@ -154,3 +119,36 @@ void R_FlippingBuffer_Flip(r_flipping_buffer_t* flibuf) {
flibuf->frame_offsets[1] = ALO_ALLOC_FAILED;
}
void R_DEBuffer_Init(r_debuffer_t *debuf, uint32_t static_size, uint32_t dynamic_size) {
R_FlippingBuffer_Init(&debuf->dynamic, dynamic_size);
debuf->static_size = static_size;
debuf->static_offset = 0;
}
uint32_t R_DEBuffer_Alloc(r_debuffer_t* debuf, r_lifetime_t lifetime, uint32_t size, uint32_t align) {
switch (lifetime) {
case LifetimeDynamic:
{
const uint32_t offset = R_FlippingBuffer_Alloc(&debuf->dynamic, size, align);
if (offset == ALO_ALLOC_FAILED)
return ALO_ALLOC_FAILED;
return offset + debuf->static_offset;
}
case LifetimeStatic:
{
const uint32_t offset = ALIGN_UP(debuf->static_offset, align);
const uint32_t end = offset + size;
if (end > debuf->static_size)
return ALO_ALLOC_FAILED;
debuf->static_offset = end;
return offset;
}
}
return ALO_ALLOC_FAILED;
}
void R_DEBuffer_Flip(r_debuffer_t* debuf) {
R_FlippingBuffer_Flip(&debuf->dynamic);
}

26
ref_vk/vk_buffer.h
View File

@ -47,11 +47,20 @@ void VK_RingBuffer_ClearFrame(vk_ring_buffer_t* buf);
typedef struct {
alo_ring_t static_ring;
alo_ring_t dynamic_ring;
alo_ring_t ring;
uint32_t frame_offsets[2];
} r_flipping_buffer_t;
void R_FlippingBuffer_Init(r_flipping_buffer_t *flibuf, uint32_t size);
void R_FlippingBuffer_Clear(r_flipping_buffer_t *flibuf);
uint32_t R_FlippingBuffer_Alloc(r_flipping_buffer_t* flibuf, uint32_t size, uint32_t align);
void R_FlippingBuffer_Flip(r_flipping_buffer_t* flibuf);
typedef struct {
r_flipping_buffer_t dynamic;
uint32_t static_size;
uint32_t frame_dynamic_offset[2];
uint32_t static_offset;
} r_debuffer_t;
typedef enum {
@ -61,14 +70,3 @@ typedef enum {
void R_DEBuffer_Init(r_debuffer_t *debuf, uint32_t static_size, uint32_t dynamic_size);
uint32_t R_DEBuffer_Alloc(r_debuffer_t* debuf, r_lifetime_t lifetime, uint32_t size, uint32_t align);
void R_DEBuffer_Flip(r_debuffer_t* debuf);
typedef struct {
alo_ring_t ring;
uint32_t frame_offsets[2];
} r_flipping_buffer_t;
void R_FlippingBuffer_Init(r_flipping_buffer_t *flibuf, uint32_t size);
void R_FlippingBuffer_Clear(r_flipping_buffer_t *flibuf);
uint32_t R_FlippingBuffer_Alloc(r_flipping_buffer_t* flibuf, uint32_t size, uint32_t align);
void R_FlippingBuffer_Flip(r_flipping_buffer_t* flibuf);