GPUIndexBuf: GL backend Isolation

This is part of the Vulkan backend task T68990.

There is no real change, only making some code re-organisation.
This also make the IndexBuf completely abstract from outside the
GPU module.

1 files changed, 8 insertions, 0 deletions

diff --git a/source/blender/gpu/intern/gpu_batch_private.hh b/source/blender/gpu/intern/gpu_batch_private.hh
index c0444647fe1..dae9c885ee1 100644
--- a/source/blender/gpu/intern/gpu_batch_private.hh
+++ b/source/blender/gpu/intern/gpu_batch_private.hh
@@ -29,6 +29,8 @@
 #include "GPU_batch.h"
 #include "GPU_context.h"
 
+#include "gpu_index_buffer_private.hh"
+
 namespace blender {
 namespace gpu {
 
@@ -42,6 +44,12 @@ class Batch : public GPUBatch {
   virtual ~Batch(){};
 
   virtual void draw(int v_first, int v_count, int i_first, int i_count) = 0;
+
+  /* Convenience casts. */
+  IndexBuf *elem_(void)
+  {
+    return unwrap(elem);
+  };
 };
 
 }  // namespace gpu