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Bundle allocator;

This commit is contained in:
bjorn 2022-05-30 12:17:17 -07:00
parent 25bb64b18c
commit 541ebc1b61
1 changed files with 49 additions and 0 deletions
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49
src/modules/graphics/graphics.c
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@ -155,6 +155,7 @@ static void* tempAlloc(size_t size);
static void beginFrame(void);
static gpu_stream* getTransfers(void);
static uint32_t getLayout(gpu_slot* slots, uint32_t count);
static gpu_bundle* getBundle(uint32_t layout);
static gpu_texture* getAttachment(uint32_t size[2], uint32_t layers, TextureFormat format, bool srgb, uint32_t samples);
static size_t measureTexture(TextureFormat format, uint16_t w, uint16_t h, uint16_t d);
static void checkTextureBounds(const TextureInfo* info, uint32_t offset[4], uint32_t extent[3]);
@ -1746,6 +1747,54 @@ static uint32_t getLayout(gpu_slot* slots, uint32_t count) {
return index;
}
static gpu_bundle* getBundle(uint32_t layoutIndex) {
Layout* layout = &state.layouts.data[layoutIndex];
BundlePool* pool = layout->head;
const uint32_t POOL_SIZE = 512;
if (pool) {
if (pool->cursor < POOL_SIZE) {
return (gpu_bundle*) ((char*) pool->bundles + gpu_sizeof_bundle() * pool->cursor++);
}
// If the pool's closed, move it to the end of the list and try to use the next pool
layout->tail->next = pool;
layout->tail = pool;
layout->head = pool->next;
pool->next = NULL;
pool->tick = state.tick;
pool = layout->head;
if (pool && gpu_finished(pool->tick)) {
pool->cursor = 1;
return pool->bundles;
}
}
// If no pool was available, make a new one
pool = malloc(sizeof(BundlePool));
gpu_bundle_pool* gpu = malloc(gpu_sizeof_bundle_pool());
gpu_bundle* bundles = malloc(POOL_SIZE * gpu_sizeof_bundle());
lovrAssert(pool && gpu && bundles, "Out of memory");
pool->gpu = gpu;
pool->bundles = bundles;
pool->cursor = 0;
pool->next = layout->head;
gpu_bundle_pool_info info = {
.bundles = pool->bundles,
.layout = layout->gpu,
.count = POOL_SIZE
};
gpu_bundle_pool_init(pool->gpu, &info);
layout->head = pool;
if (!layout->tail) layout->tail = pool;
return pool->bundles;
}
static gpu_texture* getAttachment(uint32_t size[2], uint32_t layers, TextureFormat format, bool srgb, uint32_t samples) {
uint16_t key[] = { size[0], size[1], layers, format, srgb, samples };
uint32_t hash = hash64(key, sizeof(key));