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Fix build errors

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From rBd5cb425b8745
This commit is contained in:
Germano Cavalcante
2019-03-28 15:59:51 -03:00
parent 7b62c61d6e
commit fbfa5890bf
2 changed files with 37 additions and 24 deletions
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37
source/blender/gpu/intern/gpu_select.c
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@@ -23,6 +23,7 @@
* Interface for accessing gpu-related methods for selection. The semantics are
* similar to glRenderMode(GL_SELECT) from older OpenGL versions.
*/
#include <string.h>
#include <stdlib.h>
#include "GPU_select.h"
@@ -31,6 +32,8 @@
#include "MEM_guardedalloc.h"
#include "BLI_rect.h"
#include "DNA_userdef_types.h"
#include "BLI_utildefines.h"
@@ -211,3 +214,37 @@ const uint *GPU_select_buffer_near(const uint *buffer, int hits)
}
return buffer_near;
}
/* Part of the solution copied from `rect_subregion_stride_calc`. */
void GPU_select_buffer_stride_realign(
const rcti *src, const rcti *dst, uint *r_buf)
{
const int src_x = BLI_rcti_size_x(src);
// const int src_y = BLI_rcti_size_y(src);
int dst_x = BLI_rcti_size_x(dst);
int dst_y = BLI_rcti_size_y(dst);
int x = dst->xmin - src->xmin;
int y = dst->ymin - src->ymin;
BLI_assert(src->xmin <= dst->xmin && src->ymin <= dst->ymin &&
src->xmax >= dst->xmax && src->ymax >= dst->ymax);
BLI_assert(x >= 0 && y >= 0);
int last_px_written = dst_x * dst_y - 1;
int last_px_id = src_x * (y + dst_y - 1) + (x + dst_x - 1);
int skip = src_x - dst_x;
while (dst_y--) {
int i;
for (i = dst_x; i--;) {
r_buf[last_px_id--] = r_buf[last_px_written--];
}
if (last_px_written < 0) {
break;
}
for (i = skip; i--;) {
r_buf[last_px_id--] = 0u;
}
}
memset(r_buf, 0, (last_px_id + 1) * sizeof(*r_buf));
}