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, 15 insertions, 1 deletions

diff --git a/source/blender/gpu/intern/gpu_shader_private.hh b/source/blender/gpu/intern/gpu_shader_private.hh
index fa086892760..b7acc0f9353 100644
--- a/source/blender/gpu/intern/gpu_shader_private.hh
+++ b/source/blender/gpu/intern/gpu_shader_private.hh
@@ -23,8 +23,8 @@
 #include "BLI_span.hh"
 
 #include "GPU_shader.h"
-#include "gpu_vertex_buffer_private.hh"
 #include "gpu_shader_interface.hh"
+#include "gpu_vertex_buffer_private.hh"
 
 namespace blender {
 namespace gpu {
@@ -73,6 +73,20 @@ class Shader {
   void print_errors(Span<const char *> sources, char *log, const char *stage);
 };
 
+/* Syntacting suggar. */
+static inline GPUShader *wrap(Shader *vert)
+{
+  return reinterpret_cast<GPUShader *>(vert);
+}
+static inline Shader *unwrap(GPUShader *vert)
+{
+  return reinterpret_cast<Shader *>(vert);
+}
+static inline const Shader *unwrap(const GPUShader *vert)
+{
+  return reinterpret_cast<const Shader *>(vert);
+}
+
 }  // namespace gpu
 }  // namespace blender