/*
 * 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 16

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 _single_font_and_size() {
    VkvgSurface s   = vkvg_surface_create(device, test_width, test_height);
    VkvgContext ctx = vkvg_create(s);
    vkvg_clear(ctx);
    for (uint32_t i = 0; i < test_size / THREAD_COUNT; i++) {
        randomize_color(ctx);
        float x = rndf() * test_width;
        float y = rndf() * test_height;
        vkvg_select_font_face(ctx, "mono");
        vkvg_set_font_size(ctx, 20);
        vkvg_move_to(ctx, x, y);
        vkvg_show_text(ctx, "This is a test string!");
    }
    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 threaded_text(int (*testfunc)(void *)) {
    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], testfunc, 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;
}
void single_font_and_size() { threaded_text(_single_font_and_size); }

int main(int argc, char *argv[]) {
    PERFORM_TEST(single_font_and_size, argc, argv);
    return 0;
}