1 files changed, 37 insertions, 21 deletions
diff --git a/source/blender/gpu/metal/mtl_drawlist.hh b/source/blender/gpu/metal/mtl_drawlist.hh
index ed99c76faa7..47055f3d7f4 100644
--- a/source/blender/gpu/metal/mtl_drawlist.hh
+++ b/source/blender/gpu/metal/mtl_drawlist.hh
@@ -9,34 +9,50 @@
 
 #pragma once
 
-#pragma once
-
+#include "BLI_sys_types.h"
+#include "GPU_batch.h"
+#include "MEM_guardedalloc.h"
 #include "gpu_drawlist_private.hh"
 
-namespace blender {
-namespace gpu {
+#include "mtl_batch.hh"
+#include "mtl_context.hh"
+
+namespace blender::gpu {
 
 /**
- * TODO(Metal): MTLDrawList Implementation. Included as temporary stub.
- */
+ * Implementation of Multi Draw Indirect using OpenGL.
+ **/
 class MTLDrawList : public DrawList {
+
+ private:
+  /** Batch for which we are recording commands for. */
+  MTLBatch *batch_;
+  /** Mapped memory bounds. */
+  void *data_;
+  /** Length of the mapped buffer (in byte). */
+  size_t data_size_;
+  /** Current offset inside the mapped buffer (in byte). */
+  size_t command_offset_;
+  /** Current number of command recorded inside the mapped buffer. */
+  uint32_t command_len_;
+  /** Is UINT_MAX if not drawing indexed geom. Also Avoid dereferencing batch. */
+  uint32_t base_index_;
+  /** Also Avoid dereferencing batch. */
+  uint32_t v_first_, v_count_;
+  /** Length of whole the buffer (in byte). */
+  uint32_t buffer_size_;
+
  public:
-  MTLDrawList(int length)
-  {
-  }
-  ~MTLDrawList()
-  {
-  }
-
-  void append(GPUBatch *batch, int i_first, int i_count) override
-  {
-  }
-  void submit() override
-  {
-  }
+  MTLDrawList(int length);
+  ~MTLDrawList();
+
+  void append(GPUBatch *batch, int i_first, int i_count) override;
+  void submit() override;
+
+ private:
+  void init();
 
   MEM_CXX_CLASS_ALLOC_FUNCS("MTLDrawList");
 };
 
-}  // namespace gpu
-}  // namespace blender
+}  // namespace blender::gpu