1 files changed, 83 insertions, 0 deletions
diff --git a/source/saw/main.c b/source/saw/main.c
new file mode 100644
index 0000000..691307a
--- /dev/null
+++ b/source/saw/main.c
@@ -0,0 +1,83 @@
+//  TODO
+//  - Always use OpenGL ES in both sokol and nanovg.
+//  - Custom OpenGL loader.
+//
+
+#ifdef __EMSCRIPTEN__
+#  define SOKOL_GLES3
+#  define NANOVG_GLES3 1
+#else
+#  define SOKOL_GLCORE33
+#  define NANOVG_GL3 1
+#endif
+
+#include "../kit/time.h" // for timespec_get
+
+//  sokol
+#define SOKOL_APP_IMPL
+#include "../thirdparty/sokol_app.h"
+
+//  nanovg
+#include "../thirdparty/nanovg.c"
+#include "../thirdparty/nanovg_gl.c"
+#include "../thirdparty/android.c"
+
+//  miniaudio
+#define MINIAUDIO_IMPLEMENTATION
+#include "../thirdparty/miniaudio.h"
+
+static struct NVGcontext *saw_nvg;
+
+static void saw_init(void) {
+#ifdef SOKOL_GLCORE33
+  saw_nvg = nvgCreateGL3(NVG_ANTIALIAS | NVG_STENCIL_STROKES);
+#else
+  saw_nvg = nvgCreateGLES3(NVG_ANTIALIAS | NVG_STENCIL_STROKES);
+#endif
+}
+
+static void saw_frame(void) {
+  int width  = sapp_width();
+  int height = sapp_height();
+
+  glViewport(0, 0, width, height);
+  glClearColor(.3f, .2f, .4f, 1.f);
+  glClearDepthf(1.f);
+  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT |
+          GL_STENCIL_BUFFER_BIT);
+
+  nvgBeginFrame(saw_nvg, width, height, sapp_dpi_scale());
+
+  nvgBeginPath(saw_nvg);
+  nvgRect(saw_nvg, 100, 100, 300, 200);
+  nvgFillColor(saw_nvg, nvgRGBA(255, 192, 0, 255));
+  nvgFill(saw_nvg);
+
+  nvgEndFrame(saw_nvg);
+}
+
+static void saw_cleanup(void) {
+#ifdef SOKOL_GLCORE33
+  nvgDeleteGL3(saw_nvg);
+#else
+  nvgDeleteGLES3(saw_nvg);
+#endif
+}
+
+static void saw_event(sapp_event const *event) { }
+
+char const *__lsan_default_suppressions() {
+  //  There is leaks in NVidia driver on Linux.
+  return "leak:nvidia";
+}
+
+sapp_desc sokol_main(int argc, char **argv) {
+  return (sapp_desc) {
+    .width      = 1280,
+    .height     = 720,
+    .init_cb    = saw_init,
+    .frame_cb   = saw_frame,
+    .cleanup_cb = saw_cleanup,
+    .event_cb   = saw_event,
+  };
+}