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Add gfx_coord_array_resize

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This commit is contained in:
Twinaphex 2016-03-05 09:43:15 +01:00
parent a73cbb6114
commit e0d7c25ea0
1 changed files with 25 additions and 23 deletions
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48
gfx/video_coord_array.c
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@ -36,38 +36,40 @@ static INLINE bool realloc_checked(void **ptr, size_t size)
return *ptr == nptr; return *ptr == nptr;
} }
bool gfx_coord_array_add(gfx_coord_array_t *ca, static bool gfx_coord_array_resize(gfx_coord_array_t *ca,
const gfx_coords_t *coords, unsigned count) unsigned count)
{ {
size_t base_size, offset;
bool success = false;
count = MIN(count, coords->vertices);
if (ca->coords.vertices + count >= ca->allocated) if (ca->coords.vertices + count >= ca->allocated)
{ {
unsigned alloc_size = next_pow2(ca->coords.vertices + count); unsigned alloc_size = next_pow2(ca->coords.vertices + count);
size_t base_size = sizeof(float) * alloc_size; size_t base_size = sizeof(float) * alloc_size;
bool vert_ok = realloc_checked((void**)&ca->coords.vertex, if (!realloc_checked((void**)&ca->coords.vertex,
2 * base_size); 2 * base_size))
bool color_ok = realloc_checked((void**)&ca->coords.color, return false;
4 * base_size); if (!realloc_checked((void**)&ca->coords.color,
bool tex_ok = realloc_checked((void**)&ca->coords.tex_coord, 4 * base_size))
2 * base_size); return false;
bool lut_ok = realloc_checked((void**)&ca->coords.lut_tex_coord, if (!realloc_checked((void**)&ca->coords.tex_coord,
2 * base_size); 2 * base_size))
return false;
if (!realloc_checked((void**)&ca->coords.lut_tex_coord,
2 * base_size))
return false;
if (vert_ok && color_ok && tex_ok && lut_ok) ca->allocated = alloc_size;
{
ca->allocated = alloc_size;
success = true;
}
} }
else
success = true;
if (!success) /* Allocation failed. */ return true;
}
bool gfx_coord_array_add(gfx_coord_array_t *ca,
const gfx_coords_t *coords, unsigned count)
{
size_t base_size, offset;
count = MIN(count, coords->vertices);
if (!gfx_coord_array_resize(ca, count))
return false; return false;
base_size = count * sizeof(float); base_size = count * sizeof(float);