GEEKING

Rendering/GfxCore/GL/TextureGL.h

@@ -0,0 +1,68 @@
+#pragma once
+
+#include "GfxCore/Texture.h"
+#include "GfxCore/States.h"
+#include <boost/enable_shared_from_this.hpp>
+
+#include <map>
+#include <vector>
+
+namespace RBX
+{
+namespace Graphics
+{
+
+class TextureGL: public Texture, public boost::enable_shared_from_this<TextureGL>
+{
+public:
+	TextureGL(Device* device, Type type, Format format, unsigned int width, unsigned int height, unsigned int depth, unsigned int mipLevels, Usage usage);
+	TextureGL(Device* device, Type type, Format format, unsigned int width, unsigned int height, unsigned int depth, unsigned int mipLevels, Usage usage, unsigned int id);
+    ~TextureGL();
+
+    virtual void upload(unsigned int index, unsigned int mip, const TextureRegion& region, const void* data, unsigned int size);
+
+    virtual bool download(unsigned int index, unsigned int mip, void* data, unsigned int size);
+
+    virtual bool supportsLocking() const;
+    virtual LockResult lock(unsigned int index, unsigned int mip, const TextureRegion& region);
+    virtual void unlock(unsigned int index, unsigned int mip);
+
+    virtual shared_ptr<Renderbuffer> getRenderbuffer(unsigned int index, unsigned int mip);
+
+    virtual void commitChanges();
+    virtual void generateMipmaps();
+
+    void bind(unsigned int stage, const SamplerState& state, TextureGL** cache);
+
+	unsigned int getId() const { return id; }
+    unsigned int getTarget() const;
+
+    static unsigned int getInternalFormat(Format format);
+
+private:
+    struct Change
+    {
+        unsigned int index;
+        unsigned int mip;
+        TextureRegion region;
+
+        unsigned int scratchOffset;
+    };
+
+    unsigned int id;
+    
+    SamplerState cachedState;
+
+	bool external;
+
+    unsigned int scratchId;
+    unsigned int scratchOffset;
+    unsigned int scratchSize;
+    std::vector<Change> pendingChanges;
+
+    typedef std::map<std::pair<unsigned,unsigned>, weak_ptr<Renderbuffer> > RenderBufferMap;
+    RenderBufferMap renderBuffers;
+};
+
+}
+}