typedef struct GsDispCtx GsDispCtx;
struct GsDispCtx
{
	// two circuits
	uint64 pmode;
	uint64 dispfb1;
	uint64 dispfb2;
	uint64 display1;
	uint64 display2;
	uint64 bgcolor;
};

typedef struct GsDrawCtx GsDrawCtx;
struct GsDrawCtx
{
	//two contexts
	uint128 gifTag;
	uint64 frame1;
	uint64 ad_frame1;
	uint64 frame2;
	uint64 ad_frame2;
	uint64 zbuf1;
	uint64 ad_zbuf1;
	uint64 zbuf2;
	uint64 ad_zbuf2;
	uint64 xyoffset1;
	uint64 ad_xyoffset1;
	uint64 xyoffset2;
	uint64 ad_xyoffset2;
	uint64 scissor1;
	uint64 ad_scissor1;
	uint64 scissor2;
	uint64 ad_scissor2;
};

typedef struct GsCtx GsCtx;
struct GsCtx
{
	// display context; two buffers
	GsDispCtx disp[2];
	// draw context; two buffers
	GsDrawCtx draw[2];
};

typedef struct GsCrtState GsCrtState;
struct GsCrtState
{
	int16 inter, mode, ff;
};

void GsSetDisp(GsDispCtx *disp);
void GsSetDraw(GsDrawCtx *draw);


extern int path2Textures;
extern int synchTextures;
extern int gateTextures;

extern int finishCycle;

void dmaFlip(int i);
void dmaKick(void);

namespace rw {
namespace ps2 {

struct VUdesc
{
	uint32 process, buf1, buf2, buf3;
};


extern int rw2gsPrim[];
extern int primSize[];
extern int primRepeat[];

struct RwStateCache {
	Raster *raster;
	uint32 addressU;
	uint32 addressV;
	uint32 filterMode;

	bool32 vertexAlpha;
	uint32 alphaTestEnable;
	uint32 alphaFunc;
	bool32 textureAlpha;
	bool32 blendEnable;
	uint32 srcblend, destblend;
	uint32 zwrite;
	uint32 ztest;
	uint32 cullmode;
	uint32 fogEnable;
	float32 fogStart;
	float32 fogEnd;
};
extern RwStateCache rwStateCache;

enum {
	vuLight		= 0x3D0,
	vuMatrix	= 0x3F0,
	vuXyzwScale	= 0x3F4,
	vuXyzwOffset	= 0x3F5,
	vuClipConsts	= 0x3F6,

	vuGifTag	= 0x3FA,
	vuColScale	= 0x3FB,
	vuSurfProps	= 0x3FC,
	vuVuSwitch	= 0x3FF
};

struct VuConst {
	QWord mat0, mat1, mat2, mat3;
	QWord xyzwScale_2D;
	QWord xyzwOffset_2D;
	QWord xyzwScale_3D;
	QWord xyzwOffset_3D;
	QWord clipConsts;

	QWord gifTag;
	QWord surfProps;
	QWord vuSwitch;
};
extern VuConst vuConst;

extern int32 doClipping;
extern int32 doModulate2;

extern QWord colorNoScale;
extern QWord colorTexScale;


void uploadRaster(Raster *raster);
void setTexture(Raster *raster, uint32 addressU, uint32 addressV, uint32 filterMode);
void flushGSRegs(void);
void uploadVUCode(uint32 *code);
void setMatrix(RawMatrix *combined, Matrix *world);

void beginFrame(int frame);
void endFrame(float *t1, float *t2);

void defaultAtomicRender(rw::ObjPipeline *pipe, Atomic *atomic);


// The reset should be private

void renderPrim_VU(PrimitiveType type, void *verts, int32 numVerts);
void renderIndexedPrim_VU(PrimitiveType type, void *verts, int32 numVerts, void *indices, int32 numIndices);
void vuIm3DTransform(void *vertices, int32 numVertices, Matrix *world, uint32 flags);
void vuIm3DRenderIndexed(PrimitiveType type, void *indices, int32 numIndices);
void vuIm3DEnd(void);
void clearCamera(Camera *cam, RGBA *col, uint32 mode);
void beginUpdate(Camera *cam);
void endUpdate(Camera *cam);
void setRenderState(int32 state, void *pvalue);
void *getRenderState(int32 state);
int deviceSystem(DeviceReq req, void *arg, int32 n);

}

void genIm3DTransform(void *vertices, int32 numVertices, Matrix *world, uint32 flags);
void genIm3DEnd(void);
void genIm3DRenderIndexed(PrimitiveType prim, void *indices, int32 numIndices);

}