52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include <assert.h>
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#include <stdio.h>
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#ifdef _arch_dreamcast
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#include "../GL/private.h"
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#else
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#define FASTCPY memcpy
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#endif
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#include "aligned_vector.h"
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extern inline void* aligned_vector_resize(AlignedVector* vector, const unsigned int element_count);
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extern inline void* aligned_vector_extend(AlignedVector* vector, const unsigned int additional_count);
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extern inline void* aligned_vector_reserve(AlignedVector* vector, unsigned int element_count);
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extern inline void* aligned_vector_push_back(AlignedVector* vector, const void* objs, unsigned int count);
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void aligned_vector_init(AlignedVector* vector, unsigned int element_size) {
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vector->size = vector->capacity = 0;
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vector->element_size = element_size;
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vector->data = NULL;
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/* Reserve some initial capacity */
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aligned_vector_reserve(vector, ALIGNED_VECTOR_CHUNK_SIZE);
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}
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void aligned_vector_shrink_to_fit(AlignedVector* vector) {
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if(vector->size == 0) {
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free(vector->data);
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vector->data = NULL;
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vector->capacity = 0;
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} else {
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unsigned int new_byte_size = vector->size * vector->element_size;
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unsigned char* original_data = vector->data;
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vector->data = (unsigned char*) memalign(0x20, new_byte_size);
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if(original_data) {
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FASTCPY(vector->data, original_data, new_byte_size);
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free(original_data);
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}
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vector->capacity = vector->size;
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}
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}
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void aligned_vector_cleanup(AlignedVector* vector) {
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aligned_vector_clear(vector);
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aligned_vector_shrink_to_fit(vector);
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}
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