Redefine public and rendering APIs with explicit contracts

1 files changed, 6 insertions, 4 deletions

diff --git a/examples/simple_window.c b/examples/simple_window.c
index cb12db1..4b4b552 100644
--- a/examples/simple_window.c
+++ b/examples/simple_window.c
@@ -6,7 +6,7 @@
 int main(int argc, char **argv)
 {
     bool smoke = argc == 2 && !strcmp(argv[1], "--smoke-test");
-    yasl_surface *s = yasl_surface_create("YASL input", 640, 480, YASL_SURFACE_CPU);
+    yasl_surface *s = yasl_surface_create(&(struct yasl_surface_options){.title="YASL input", .width=640, .height=480, .type=YASL_SURFACE_CPU, .flags=0});
     if (!s) return 1;
     double px = -100, py = -100, pressure = 0;
     bool dirty = false;
@@ -29,8 +29,10 @@ int main(int argc, char **argv)
         }
         if (e.type == YASL_EVENT_REFRESH) dirty = true;
         if (dirty) {
-            int w, h;
-            uint32_t *pixels = yasl_cpu_pixels(s, &w, &h);
+            struct yasl_cpu_buffer buffer;
+            int acquired = yasl_cpu_acquire(s, &buffer);
+            int w = buffer.width, h = buffer.height;
+            uint32_t *pixels = acquired == 0 ? buffer.pixels : NULL;
             if (!pixels) break;
             double scale = yasl_surface_get_scale(s), radius = (8 + pressure * 48) * scale;
             for (int y = 0; y < h; y++) {
@@ -39,7 +41,7 @@ int main(int argc, char **argv)
                     pixels[(size_t)y * w + x] = dx * dx + dy * dy < radius * radius ? 0xffffc060u : 0xff203040u;
                 }
             }
-            if (!yasl_cpu_present(s)) break;
+            if ((yasl_cpu_present(s, &buffer) < 0)) break;
             dirty = false;
             frames++;
         }