74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
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#ifndef _VERTEXMANAGERBASE_H
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#define _VERTEXMANAGERBASE_H
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#include <vector>
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class NativeVertexFormat;
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class PointerWrap;
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class VertexManager
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{
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private:
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// What are the actual values?
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static const u32 SMALLEST_POSSIBLE_VERTEX = 1;
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static const u32 LARGEST_POSSIBLE_VERTEX = 188;
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static const u32 MAX_PRIMITIVES_PER_COMMAND = (u16)-1;
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public:
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static const u32 MAXVBUFFERSIZE = MAX_PRIMITIVES_PER_COMMAND * LARGEST_POSSIBLE_VERTEX;
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// We may convert triangle-fans to triangle-lists, almost 3x as many indices.
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static const u32 MAXIBUFFERSIZE = MAX_PRIMITIVES_PER_COMMAND * 3;
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VertexManager();
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// needs to be virtual for DX11's dtor
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virtual ~VertexManager();
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static void AddVertices(int _primitive, u32 _numVertices);
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static u8 *s_pCurBufferPointer;
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static u8 *s_pBaseBufferPointer;
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static u8 *s_pEndBufferPointer;
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static u32 GetRemainingSize();
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static void PrepareForAdditionalData(int primitive, u32 count, u32 stride);
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static u32 GetRemainingIndices(int primitive);
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static void Flush();
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virtual ::NativeVertexFormat* CreateNativeVertexFormat() = 0;
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static void DoState(PointerWrap& p);
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virtual void CreateDeviceObjects(){};
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virtual void DestroyDeviceObjects(){};
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protected:
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u16* GetTriangleIndexBuffer() { return &TIBuffer[0]; }
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u16* GetLineIndexBuffer() { return &LIBuffer[0]; }
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u16* GetPointIndexBuffer() { return &PIBuffer[0]; }
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u8* GetVertexBuffer() { return &s_pBaseBufferPointer[0]; }
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virtual void vDoState(PointerWrap& p) { DoStateShared(p); }
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void DoStateShared(PointerWrap& p);
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private:
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bool IsFlushed() const;
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void ResetBuffer();
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//virtual void Draw(u32 stride, bool alphapass) = 0;
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// temp
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virtual void vFlush() = 0;
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std::vector<u8> LocalVBuffer;
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std::vector<u16> TIBuffer;
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std::vector<u16> LIBuffer;
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std::vector<u16> PIBuffer;
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};
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extern VertexManager *g_vertex_manager;
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#endif
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