add multithreaded test for text

1 files changed, 83 insertions, 0 deletions

diff --git a/tests/multithreading/threaded_text.c b/tests/multithreading/threaded_text.c
new file mode 100644
index 0000000..bacf597
--- /dev/null
+++ b/tests/multithreading/threaded_text.c
@@ -0,0 +1,83 @@
+/*
+ * 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;
+}