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https://github.com/dolphin-emu/dolphin.git
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6b01839525
We are used to render them out of order as long as everything else matches, but rendering order does matter, so we have to flush on primitive switch. This commit implements this flush. Also as we flush on primitive switch, we don't have to create three different index buffers. All indices are now stored in one buffer. This will slow down games which switch often primitive types (eg ztp), but it should be more accurate.
77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
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#ifndef _VERTEXMANAGERBASE_H
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#define _VERTEXMANAGERBASE_H
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#include "Common.h"
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#include <vector>
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class NativeVertexFormat;
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class PointerWrap;
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enum PrimitiveType {
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PRIMITIVE_POINTS,
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PRIMITIVE_LINES,
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PRIMITIVE_TRIANGLES,
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};
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class VertexManager
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{
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private:
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static const u32 SMALLEST_POSSIBLE_VERTEX = sizeof(float)*3; // 3 pos
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static const u32 LARGEST_POSSIBLE_VERTEX = sizeof(float)*45 + sizeof(u32)*2; // 3 pos, 3*3 normal, 2*u32 color, 8*4 tex, 1 posMat
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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 = ROUND_UP_POW2 (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 = ROUND_UP_POW2 (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* GetIndexBuffer() { return &LocalIBuffer[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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static PrimitiveType current_primitive_type;
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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> LocalIBuffer;
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};
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extern VertexManager *g_vertex_manager;
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#endif
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