GPU: Cleanup implementation casts

- Use the syntactic wrap/unwrap method to make code more readable.
- Update comment about hidden struct behind opaque types.
- Cleanup GPUDrawList type.

1 files changed, 16 insertions, 0 deletions

diff --git a/source/blender/gpu/intern/gpu_drawlist_private.hh b/source/blender/gpu/intern/gpu_drawlist_private.hh
index ddb09fb0c89..fd223c3f255 100644
--- a/source/blender/gpu/intern/gpu_drawlist_private.hh
+++ b/source/blender/gpu/intern/gpu_drawlist_private.hh
@@ -25,6 +25,8 @@
 
 #include "MEM_guardedalloc.h"
 
+#include "GPU_drawlist.h"
+
 namespace blender {
 namespace gpu {
 
@@ -40,5 +42,19 @@ class DrawList {
   virtual void submit() = 0;
 };
 
+/* Syntacting suggar. */
+static inline GPUDrawList *wrap(DrawList *vert)
+{
+  return reinterpret_cast<GPUDrawList *>(vert);
+}
+static inline DrawList *unwrap(GPUDrawList *vert)
+{
+  return reinterpret_cast<DrawList *>(vert);
+}
+static inline const DrawList *unwrap(const GPUDrawList *vert)
+{
+  return reinterpret_cast<const DrawList *>(vert);
+}
+
 }  // namespace gpu
 }  // namespace blender