GEEKING

Rendering/GfxCore/GL/GeometryGL.h

@@ -0,0 +1,75 @@
+#pragma once
+
+#include "GfxCore/Geometry.h"
+
+namespace RBX
+{
+namespace Graphics
+{
+
+class VertexLayoutGL: public VertexLayout
+{
+public:
+    static const char* getShaderAttributeName(unsigned int id);
+
+    VertexLayoutGL(Device* device, const std::vector<Element>& elements);
+    ~VertexLayoutGL();
+};
+
+template <typename Base> class GeometryBufferGL: public Base
+{
+public:
+    GeometryBufferGL(Device* device, size_t elementSize, size_t elementCount, GeometryBuffer::Usage usage, unsigned int target);
+	~GeometryBufferGL();
+
+    virtual void* lock(GeometryBuffer::LockMode mode);
+    virtual void unlock();
+
+    virtual void upload(unsigned int offset, const void* data, unsigned int size);
+
+    unsigned int getId() const { return id; }
+
+protected:
+    void create();
+
+private:
+    unsigned int target;
+	unsigned int id;
+
+    void* locked;
+};
+
+class VertexBufferGL: public GeometryBufferGL<VertexBuffer>
+{
+public:
+    VertexBufferGL(Device* device, size_t elementSize, size_t elementCount, Usage usage);
+    ~VertexBufferGL();
+};
+
+class IndexBufferGL: public GeometryBufferGL<IndexBuffer>
+{
+public:
+    IndexBufferGL(Device* device, size_t elementSize, size_t elementCount, Usage usage);
+    ~IndexBufferGL();
+};
+
+class GeometryGL: public Geometry
+{
+public:
+    GeometryGL(Device* device, const shared_ptr<VertexLayout>& layout, const std::vector<shared_ptr<VertexBuffer> >& vertexBuffers, const shared_ptr<IndexBuffer>& indexBuffer, unsigned int baseVertexIndex);
+    ~GeometryGL();
+
+    void draw(Primitive primitive, unsigned int offset, unsigned int count);
+
+    unsigned int getId() const { return id; }
+
+private:
+    unsigned int id;
+    unsigned int indexElementSize;
+
+    unsigned int bindArrays();
+    void unbindArrays(unsigned int mask);
+};
+
+}
+}