/*
 * 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;

	vkvg_device_set_thread_aware (device, 1);

	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;

	vkvg_device_set_thread_aware (device, 0);
}
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;
}