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/*
* drawing from multiple contexts in separate threads on a single unguarded surface
*/
#include "test.h"
#include "tinycthread.h"
#define THREAD_COUNT 32
static int finishedThreadCount = 0;
static mtx_t* pmutex;
void drawRandomRect(VkvgContext ctx, float s) {
float w = (float)test_width;
float h = (float)test_height;
randomize_color(ctx);
float x = truncf(w * rndf());
float y = truncf(h * rndf());
vkvg_rectangle(ctx, x, y, s, s);
}
int drawRectsThread() {
VkvgContext ctx = vkvg_create(surf);
for (uint32_t i = 0; i < test_size; i++) {
drawRandomRect(ctx, 14.0f);
vkvg_fill(ctx);
}
vkvg_destroy(ctx);
mtx_lock(pmutex);
finishedThreadCount++;
mtx_unlock(pmutex);
return 0;
}
void fixedSizeRects() {
mtx_t mutex;
pmutex = &mutex;
thrd_t threads[THREAD_COUNT];
finishedThreadCount = 0;
mtx_init(pmutex, mtx_plain);
for (uint32_t i = 0; i < THREAD_COUNT; i++)
thrd_create(&threads[i], drawRectsThread, NULL);
const struct timespec ts = {1, 0};
while (finishedThreadCount < THREAD_COUNT)
thrd_sleep(&ts, NULL);
mtx_lock(pmutex);
mtx_unlock(pmutex);
mtx_destroy(pmutex);
pmutex = NULL;
}
int main(int argc, char* argv[]) {
PERFORM_TEST(fixedSizeRects, argc, argv);
return 0;
}
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