/*
 * multiple contexts in separate thread on temp surface for each thread
 * guarded blit on final 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() {

    VkvgSurface s   = vkvg_surface_create(device, test_width, test_height);
    VkvgContext ctx = vkvg_create(s);
    for (uint32_t i = 0; i < test_size; i++) {
        drawRandomRect(ctx, 14.0f);
        vkvg_fill(ctx);
    }
    vkvg_destroy(ctx);

    mtx_lock(pmutex);

    ctx = vkvg_create(surf);
    vkvg_set_source_surface(ctx, s, 0, 0);
    vkvg_paint(ctx);
    vkvg_destroy(ctx);

    finishedThreadCount++;
    mtx_unlock(pmutex);

    vkvg_surface_destroy(s);
    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;
}