add CONTEXT_DEBUG_FLAG

1 files changed, 12 insertions, 2 deletions

diff --git a/main.c b/main.c
index 35f55bc..66f4395 100644
--- a/main.c
+++ b/main.c
@@ -28,7 +28,7 @@
 #define EVENT_CODE_TIMER 0
 
 // use compute shader to update particles?
-#define USE_COMPUTE_SHADER false
+#define USE_COMPUTE_SHADER true
 
 // enable gl debug
 #define USE_GL_DEBUG false
@@ -78,7 +78,9 @@ verts[] = {
 static const char
 cs_src[] =
   "#version 320 es\n"
-  // "#pragma debug(on)\n"
+#if USE_GL_DEBUG
+  "#pragma debug(on)\n"
+#endif /* USE_GL_DEBUG */
   "\n"
   "layout(local_size_x = " S(WORKGROUP_SIZE) ") in;\n"
   "\n"
@@ -397,6 +399,14 @@ ctx_init(context_t * const ctx) {
     exit(EXIT_FAILURE);
   }
 
+  if (USE_GL_DEBUG) {
+    // set debug context
+    if (SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG) < 0) {
+      LOG_C("SDL_GL_SetAttribute() failed: %s", SDL_GetError());
+      exit(EXIT_FAILURE);
+    }
+  }
+
   // create GL context
   SDL_GLContext context = SDL_GL_CreateContext(ctx->win);
   if (!context) {