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BLI_memblock: Add more options

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- Use int instead of uint for safety and less conversions.
- Add free callback
- Add cleared alloc option
This commit is contained in:
Clément Foucault
2019-05-13 15:57:03 +02:00
parent 0e5da91f0a
commit e5349f14eb
4 changed files with 86 additions and 44 deletions
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12
source/blender/blenlib/BLI_memblock.h
View File

@@ -33,16 +33,18 @@ extern "C" {
struct BLI_memblock;
typedef struct BLI_memblock BLI_memblock;
typedef void (*MemblockValFreeFP)(void *val);
BLI_memblock *BLI_memblock_create(uint elem_size) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
BLI_memblock *BLI_memblock_create(uint elem_size,
const bool clear_alloc) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
void *BLI_memblock_alloc(BLI_memblock *mblk) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1);
void BLI_memblock_clear(BLI_memblock *mblk) ATTR_NONNULL(1);
void BLI_memblock_destroy(BLI_memblock *mblk) ATTR_NONNULL(1);
void BLI_memblock_clear(BLI_memblock *mblk, MemblockValFreeFP valfreefp) ATTR_NONNULL(1);
void BLI_memblock_destroy(BLI_memblock *mblk, MemblockValFreeFP free_callback) ATTR_NONNULL(1);
typedef struct BLI_memblock_iter {
BLI_memblock *mblk;
uint current_index;
uint elem_per_chunk;
int current_index;
int elem_per_chunk;
} BLI_memblock_iter;
void BLI_memblock_iternew(BLI_memblock *pool, BLI_memblock_iter *iter) ATTR_NONNULL();

82
source/blender/blenlib/intern/BLI_memblock.c
View File

@@ -44,31 +44,51 @@ struct BLI_memblock {
void **chunk_list;
/** Element size in bytes. */
uint elem_size;
int elem_size;
/** First unused element index. */
uint elem_next;
int elem_next;
/** Last "touched" element. */
int elem_last;
/** Chunck size in bytes. */
uint chunk_size;
int chunk_size;
/** Number of allocated chunck. */
uint chunk_len;
int chunk_len;
/** Clear newly allocated chuncks. */
bool clear_alloc;
};
BLI_memblock *BLI_memblock_create(uint elem_size)
/**
* /clear_alloc will clear the memory the first time a chunck is allocated.
*/
BLI_memblock *BLI_memblock_create(uint elem_size, const bool clear_alloc)
{
BLI_assert(elem_size < BLI_MEM_BLOCK_CHUNK_SIZE);
BLI_memblock *mblk = MEM_mallocN(sizeof(BLI_memblock), "BLI_memblock");
mblk->elem_size = elem_size;
mblk->elem_size = (int)elem_size;
mblk->elem_next = 0;
mblk->elem_last = -1;
mblk->chunk_size = BLI_MEM_BLOCK_CHUNK_SIZE;
mblk->chunk_len = CHUNK_LIST_SIZE;
mblk->chunk_list = MEM_callocN(sizeof(void *) * mblk->chunk_len, "BLI_memblock chunk list");
mblk->chunk_list = MEM_callocN(sizeof(void *) * (uint)mblk->chunk_len, "chunk list");
mblk->clear_alloc = clear_alloc;
return mblk;
}
void BLI_memblock_destroy(BLI_memblock *mblk)
void BLI_memblock_destroy(BLI_memblock *mblk, MemblockValFreeFP free_callback)
{
for (uint i = 0; i < mblk->chunk_len; i++) {
if (free_callback) {
int elem_per_chunk = mblk->chunk_size / mblk->elem_size;
for (int i = mblk->elem_last; i >= 0; i--) {
int chunk_idx = i / elem_per_chunk;
int elem_idx = i - elem_per_chunk * chunk_idx;
void *val = (char *)(mblk->chunk_list[chunk_idx]) + mblk->elem_size * elem_idx;
free_callback(val);
}
}
for (int i = 0; i < mblk->chunk_len; i++) {
MEM_SAFE_FREE(mblk->chunk_list[i]);
}
MEM_SAFE_FREE(mblk->chunk_list);
@@ -77,37 +97,57 @@ void BLI_memblock_destroy(BLI_memblock *mblk)
/* Reset elem count to 0 but keep as much memory allocated needed for at least the previous elem
* count. */
void BLI_memblock_clear(BLI_memblock *mblk)
void BLI_memblock_clear(BLI_memblock *mblk, MemblockValFreeFP free_callback)
{
uint elem_per_chunk = mblk->chunk_size / mblk->elem_size;
uint last_used_chunk = (mblk->elem_next - 1) / elem_per_chunk;
int elem_per_chunk = mblk->chunk_size / mblk->elem_size;
int last_used_chunk = (mblk->elem_next - 1) / elem_per_chunk;
for (uint i = last_used_chunk + 1; i < mblk->chunk_len; i++) {
if (free_callback) {
for (int i = mblk->elem_last; i >= mblk->elem_next; i--) {
int chunk_idx = i / elem_per_chunk;
int elem_idx = i - elem_per_chunk * chunk_idx;
void *val = (char *)(mblk->chunk_list[chunk_idx]) + mblk->elem_size * elem_idx;
free_callback(val);
}
}
for (int i = last_used_chunk + 1; i < mblk->chunk_len; i++) {
MEM_SAFE_FREE(mblk->chunk_list[i]);
}
if (UNLIKELY(last_used_chunk + 1 < mblk->chunk_len - CHUNK_LIST_SIZE)) {
mblk->chunk_len -= CHUNK_LIST_SIZE;
mblk->chunk_list = MEM_recallocN(mblk->chunk_list, sizeof(void *) * mblk->chunk_len);
mblk->chunk_list = MEM_recallocN(mblk->chunk_list, sizeof(void *) * (uint)mblk->chunk_len);
}
mblk->elem_last = mblk->elem_next - 1;
mblk->elem_next = 0;
}
void *BLI_memblock_alloc(BLI_memblock *mblk)
{
uint elem_per_chunk = mblk->chunk_size / mblk->elem_size;
uint chunk_idx = mblk->elem_next / elem_per_chunk;
uint elem_idx = mblk->elem_next - elem_per_chunk * chunk_idx;
int elem_per_chunk = mblk->chunk_size / mblk->elem_size;
int chunk_idx = mblk->elem_next / elem_per_chunk;
int elem_idx = mblk->elem_next - elem_per_chunk * chunk_idx;
if (mblk->elem_last < mblk->elem_next) {
mblk->elem_last = mblk->elem_next;
}
mblk->elem_next++;
if (UNLIKELY(chunk_idx >= mblk->chunk_len)) {
mblk->chunk_len += CHUNK_LIST_SIZE;
mblk->chunk_list = MEM_recallocN(mblk->chunk_list, sizeof(void *) * mblk->chunk_len);
mblk->chunk_list = MEM_recallocN(mblk->chunk_list, sizeof(void *) * (uint)mblk->chunk_len);
}
if (UNLIKELY(mblk->chunk_list[chunk_idx] == NULL)) {
mblk->chunk_list[chunk_idx] = MEM_mallocN(mblk->chunk_size, "BLI_memblock chunk");
if (mblk->clear_alloc) {
mblk->chunk_list[chunk_idx] = MEM_callocN((uint)mblk->chunk_size, "BLI_memblock chunk");
}
else {
mblk->chunk_list[chunk_idx] = MEM_mallocN((uint)mblk->chunk_size, "BLI_memblock chunk");
}
}
return (char *)(mblk->chunk_list[chunk_idx]) + mblk->elem_size * elem_idx;
@@ -126,8 +166,8 @@ void *BLI_memblock_iterstep(BLI_memblock_iter *iter)
return NULL;
}
uint chunk_idx = iter->current_index / iter->elem_per_chunk;
uint elem_idx = iter->current_index - iter->elem_per_chunk * chunk_idx;
int chunk_idx = iter->current_index / iter->elem_per_chunk;
int elem_idx = iter->current_index - iter->elem_per_chunk * chunk_idx;
iter->current_index++;
return (char *)(iter->mblk->chunk_list[chunk_idx]) + iter->mblk->elem_size * elem_idx;

24
source/blender/draw/intern/draw_manager.c
View File

@@ -535,12 +535,12 @@ static void drw_viewport_cache_resize(void)
GPU_texture_free(*tex);
}
BLI_memblock_clear(DST.vmempool->calls);
BLI_memblock_clear(DST.vmempool->states);
BLI_memblock_clear(DST.vmempool->shgroups);
BLI_memblock_clear(DST.vmempool->uniforms);
BLI_memblock_clear(DST.vmempool->passes);
BLI_memblock_clear(DST.vmempool->images);
BLI_memblock_clear(DST.vmempool->calls, NULL);
BLI_memblock_clear(DST.vmempool->states, NULL);
BLI_memblock_clear(DST.vmempool->shgroups, NULL);
BLI_memblock_clear(DST.vmempool->uniforms, NULL);
BLI_memblock_clear(DST.vmempool->passes, NULL);
BLI_memblock_clear(DST.vmempool->images, NULL);
}
DRW_instance_data_list_free_unused(DST.idatalist);
@@ -605,22 +605,22 @@ static void drw_viewport_var_init(void)
DST.vmempool = GPU_viewport_mempool_get(DST.viewport);
if (DST.vmempool->calls == NULL) {
DST.vmempool->calls = BLI_memblock_create(sizeof(DRWCall));
DST.vmempool->calls = BLI_memblock_create(sizeof(DRWCall), false);
}
if (DST.vmempool->states == NULL) {
DST.vmempool->states = BLI_memblock_create(sizeof(DRWCallState));
DST.vmempool->states = BLI_memblock_create(sizeof(DRWCallState), false);
}
if (DST.vmempool->shgroups == NULL) {
DST.vmempool->shgroups = BLI_memblock_create(sizeof(DRWShadingGroup));
DST.vmempool->shgroups = BLI_memblock_create(sizeof(DRWShadingGroup), false);
}
if (DST.vmempool->uniforms == NULL) {
DST.vmempool->uniforms = BLI_memblock_create(sizeof(DRWUniform));
DST.vmempool->uniforms = BLI_memblock_create(sizeof(DRWUniform), false);
}
if (DST.vmempool->passes == NULL) {
DST.vmempool->passes = BLI_memblock_create(sizeof(DRWPass));
DST.vmempool->passes = BLI_memblock_create(sizeof(DRWPass), false);
}
if (DST.vmempool->images == NULL) {
DST.vmempool->images = BLI_memblock_create(sizeof(GPUTexture *));
DST.vmempool->images = BLI_memblock_create(sizeof(GPUTexture *), false);
}
DST.idatalist = GPU_viewport_instance_data_list_get(DST.viewport);

12
source/blender/gpu/intern/gpu_viewport.c
View File

@@ -620,19 +620,19 @@ void GPU_viewport_free(GPUViewport *viewport)
MEM_freeN(viewport->txl);
if (viewport->vmempool.calls != NULL) {
BLI_memblock_destroy(viewport->vmempool.calls);
BLI_memblock_destroy(viewport->vmempool.calls, NULL);
}
if (viewport->vmempool.states != NULL) {
BLI_memblock_destroy(viewport->vmempool.states);
BLI_memblock_destroy(viewport->vmempool.states, NULL);
}
if (viewport->vmempool.shgroups != NULL) {
BLI_memblock_destroy(viewport->vmempool.shgroups);
BLI_memblock_destroy(viewport->vmempool.shgroups, NULL);
}
if (viewport->vmempool.uniforms != NULL) {
BLI_memblock_destroy(viewport->vmempool.uniforms);
BLI_memblock_destroy(viewport->vmempool.uniforms, NULL);
}
if (viewport->vmempool.passes != NULL) {
BLI_memblock_destroy(viewport->vmempool.passes);
BLI_memblock_destroy(viewport->vmempool.passes, NULL);
}
if (viewport->vmempool.images != NULL) {
BLI_memblock_iter iter;
@@ -641,7 +641,7 @@ void GPU_viewport_free(GPUViewport *viewport)
while ((tex = BLI_memblock_iterstep(&iter))) {
GPU_texture_free(*tex);
}
BLI_memblock_destroy(viewport->vmempool.images);
BLI_memblock_destroy(viewport->vmempool.images, NULL);
}
DRW_instance_data_list_free(viewport->idatalist);