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#pragma once
#include <vector>
#include "Common/Common.h"
class NativeVertexFormat;
class PointerWrap;
enum PrimitiveType {
PRIMITIVE_POINTS,
PRIMITIVE_LINES,
PRIMITIVE_TRIANGLES,
};
class VertexManager
{
private:
static const u32 SMALLEST_POSSIBLE_VERTEX = sizeof(float)*3; // 3 pos
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
static const u32 MAX_PRIMITIVES_PER_COMMAND = (u16)-1;
public:
static const u32 MAXVBUFFERSIZE = ROUND_UP_POW2 (MAX_PRIMITIVES_PER_COMMAND * LARGEST_POSSIBLE_VERTEX);
// We may convert triangle-fans to triangle-lists, almost 3x as many indices.
static const u32 MAXIBUFFERSIZE = ROUND_UP_POW2 (MAX_PRIMITIVES_PER_COMMAND * 3);
VertexManager();
// needs to be virtual for DX11's dtor
virtual ~VertexManager();
static u8 *s_pCurBufferPointer;
static u8 *s_pBaseBufferPointer;
static u8 *s_pEndBufferPointer;
static u32 GetRemainingSize();
static void PrepareForAdditionalData(int primitive, u32 count, u32 stride);
static u32 GetRemainingIndices(int primitive);
static void Flush();
virtual ::NativeVertexFormat* CreateNativeVertexFormat() = 0;
static void DoState(PointerWrap& p);
virtual void CreateDeviceObjects(){};
virtual void DestroyDeviceObjects(){};
protected:
virtual void vDoState(PointerWrap& p) { }
static PrimitiveType current_primitive_type;
virtual void ResetBuffer(u32 stride) = 0;
private:
static bool IsFlushed;
//virtual void Draw(u32 stride, bool alphapass) = 0;
// temp
virtual void vFlush(bool useDstAlpha) = 0;
};
extern VertexManager *g_vertex_manager;
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