GPUDebug: Add function to test if inside a debug group

This is a nice way to check certain GPU codepaths only for some
regions or callers paths.

1 files changed, 19 insertions, 1 deletions

diff --git a/source/blender/gpu/intern/gpu_debug.cc b/source/blender/gpu/intern/gpu_debug.cc
index d4b55d7e758..a0608f52c4a 100644
--- a/source/blender/gpu/intern/gpu_debug.cc
+++ b/source/blender/gpu/intern/gpu_debug.cc
@@ -73,4 +73,22 @@ void GPU_debug_get_groups_names(int name_buf_len, char *r_name_buf)
     sz += BLI_snprintf_rlen(r_name_buf + sz, name_buf_len - sz, "%s > ", name.data());
   }
   r_name_buf[sz - 2] = ':';
-}
\ No newline at end of file
+}
+
+/* Return true if inside a debug group with the same name. */
+bool GPU_debug_group_match(const char *ref)
+{
+  /* Otherwise there will be no names. */
+  BLI_assert(G.debug & G_DEBUG_GPU);
+  Context *ctx = Context::get();
+  if (ctx == nullptr) {
+    return false;
+  }
+  DebugStack &stack = ctx->debug_stack;
+  for (StringRef &name : stack) {
+    if (STREQ(name.data(), ref)) {
+      return true;
+    }
+  }
+  return false;
+}