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Lock on creating caches so we work better across threads

This commit is contained in:
K. Lange 2018-04-21 20:14:11 +09:00 committed by Kevin Lange
parent e9d193b4cc
commit 96e3db9089
1 changed files with 5 additions and 0 deletions
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5
lib/sdf.c
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@ -9,6 +9,7 @@
#include <toaru/graphics.h>
#include <toaru/hashmap.h>
#include <toaru/sdf.h>
#include <toaru/spinlock.h>
#define BASE_WIDTH 50
#define BASE_HEIGHT 50
@ -19,6 +20,8 @@ static sprite_t _font_data_bold;
static hashmap_t * _font_cache;
static volatile int _sdf_lock = 0;
struct {
char code;
size_t width_bold;
@ -205,6 +208,7 @@ int draw_sdf_string(gfx_context_t * ctx, int32_t x, int32_t y, const char * str,
int scale_height = scale * _font_data->height;
sprite_t * tmp;
spin_lock(&_sdf_lock);
if (!hashmap_has(_font_cache, (void *)(scale_height | (font << 16)))) {
tmp = create_sprite(scale * _font_data->width, scale * _font_data->height, ALPHA_OPAQUE);
gfx_context_t * t = init_graphics_sprite(tmp);
@ -214,6 +218,7 @@ int draw_sdf_string(gfx_context_t * ctx, int32_t x, int32_t y, const char * str,
} else {
tmp = hashmap_get(_font_cache, (void *)(scale_height | (font << 16)));
}
spin_unlock(&_sdf_lock);
int32_t out_width = 0;
while (*str) {