38 lines
2.3 KiB
C
38 lines
2.3 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2020 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/assert.h"
|
|
#include "libc/bits/xmmintrin.internal.h"
|
|
#include "libc/runtime/buffer.h"
|
|
#include "tool/viz/lib/graphic.h"
|
|
|
|
/**
|
|
* Allocates graphic.
|
|
*
|
|
* @param g should be zero initialized before first call
|
|
* @note bfree(g->b) needs to be called later
|
|
*/
|
|
struct Graphic *resizegraphic(struct Graphic *g, size_t yn, size_t xn) {
|
|
/* assert(xn % 2 == 0); */ /* todo: ughhh this whole thing is wrong */
|
|
yn &= ~1;
|
|
balloc(&g->b, 64, yn * xn * sizeof(__m128) + /* wut */ PAGESIZE);
|
|
g->yn = yn;
|
|
g->xn = xn;
|
|
return g;
|
|
}
|