Fixing some mac stuff

src/Engine/Graphics/Metal/Buffer.h

@@ -2,18 +2,29 @@
 #include "Graphics/Buffer.h"
 #include "Graphics/Enums.h"
 #include "Graphics/Initializer.h"
+#include "Metal/MTLTypes.hpp"
+#include "MinimalEngine.h"
 #include "Resources.h"
 
 namespace Seele {
 namespace Metal {
 DECLARE_REF(Graphics)
+class BufferAllocation : public CommandBoundResource
+{
+public:
+  BufferAllocation(PGraphics graphics);
+  virtual ~BufferAllocation();
+  MTL::Buffer* buffer = nullptr;
+  uint64 size = 0;
+};
+DECLARE_REF(BufferAllocation)
 class Buffer {
 public:
   Buffer(PGraphics graphics, uint64 size, void *data, bool dynamic, const std::string& name);
   virtual ~Buffer();
-  MTL::Buffer *getHandle() const { return buffers[currentBuffer]; }
-  uint64 getSize() const { return size; }
-  void advanceBuffer() { currentBuffer = (currentBuffer + 1) % numBuffers; }
+  MTL::Buffer *getHandle() const { return buffers[currentBuffer]->buffer; }
+  PBufferAllocation getAlloc() const { return buffers[currentBuffer]; }
+  uint64 getSize() const { return buffers[currentBuffer]->size; }
   void *map(bool writeOnly = true);
   void *mapRegion(uint64 regionOffset, uint64 regionSize, bool writeOnly);
   void unmap();
@@ -21,11 +32,14 @@ public:
 protected:
   PGraphics graphics;
   uint32 currentBuffer = 0;
-  uint64 size;
-  MTL::Buffer *buffers[Gfx::numFramesBuffered];
-  uint32 numBuffers;
+  Array<OBufferAllocation> buffers;
+  bool dynamic;
+  std::string name;
+  void rotateBuffer(uint64 size);
+  void createBuffer(uint64 size, void* data);
 };
 DEFINE_REF(Buffer)
+
 class VertexBuffer : public Gfx::VertexBuffer, public Buffer {
 public:
   VertexBuffer(PGraphics graphics, const VertexBufferCreateInfo &createInfo);
@@ -72,8 +86,10 @@ class ShaderBuffer : public Gfx::ShaderBuffer, public Buffer {
 public:
   ShaderBuffer(PGraphics graphics, const ShaderBufferCreateInfo &createInfo);
   virtual ~ShaderBuffer();
-
-  virtual bool updateContents(const DataSource &sourceData) override;
+  virtual void rotateBuffer(uint64 size) override;
+  virtual void updateContents(const ShaderBufferCreateInfo &sourceData) override;
+  virtual void *mapRegion(uint64 offset, uint64 size, bool writeOnly) override;
+  virtual void unmap() override;
 
 protected:
   // Inherited via QueueOwnedResource