#ifndef VERTEXARRAY_H
#define VERTEXARRAY_H 1

#include "sysinc.h"


typedef void (*Convfn)(struct GLcontext_t *, int);


/*
** Note that the following defines are poking directly into
** the W3D_Context. This is ofcourse not future-proof, but
** it avoids a significant overhead.
** Especially compiled arrays and glDrawElements relies on
** fast pointer-switch
*/

#ifndef __VBCC__ //inlines that bypasses the library call

static INLINE void Set_W3D_Texture (W3D_Context *w3dctx, int u, W3D_Texture *tex)
{
	w3dctx->CurrentTex[u] = tex;
}

static INLINE void Set_W3D_ColorPointer (W3D_Context *w3dctx, void *pointer, int stride, ULONG format, ULONG mode, ULONG flags)
{
	w3dctx->ColorPointer = pointer;
	w3dctx->CPStride = stride;
	w3dctx->CPMode = mode | format;
	w3dctx->CPFlags = flags;
}

static INLINE void Set_W3D_TexCoordPointer (W3D_Context *w3dctx, void *pointer, int stride, int u, int v_off, int w_off, ULONG flags)
{
	w3dctx->TexCoordPointer[u] = pointer;
	w3dctx->TPStride[u] = stride;
	w3dctx->TPVOffs[u] = v_off;
	w3dctx->TPWOffs[u] = w_off;
	w3dctx->TPFlags[u] = flags;
}

static INLINE void Set_W3D_VertexPointer (W3D_Context *w3dctx, void *pointer, int stride, ULONG mode, ULONG flags)
{
	w3dctx->VertexPointer = pointer;
	w3dctx->VPStride = stride;
	w3dctx->VPMode = mode;
	w3dctx->VPFlags = flags;
}

static INLINE void Reset_W3D_ArrayPointers (GLcontext glctx, GLbitfield cls)
{
	if(cls & GLCS_VERTEX)
	{
	glctx->w3dContext->VertexPointer = (void *)&glctx->VertexBuffer[0].bx;
	glctx->w3dContext->VPStride = (int)sizeof(MGLVertex);
	glctx->w3dContext->VPMode = W3D_VERTEX_F_F_F;
	glctx->w3dContext->VPFlags = 0;
	}

	if(cls & GLCS_COLOR)
	{
	glctx->w3dContext->ColorPointer = (void *)glctx->ArrayPointer.colors;
	glctx->w3dContext->CPStride = (int)glctx->ArrayPointer.colorstride;
	glctx->w3dContext->CPMode = (ULONG)glctx->ArrayPointer.colormode;
	}

	if(cls & GLCS_TEXTURE)
	{
	glctx->w3dContext->TexCoordPointer[0] = (void *)glctx->ArrayPointer.texcoords;
	glctx->w3dContext->TPStride[0] = (int)glctx->ArrayPointer.texcoordstride;
	glctx->w3dContext->TPWOffs[0] = (int)glctx->ArrayPointer.w_off;
	}
}

#else

//macros that bypasses the library call:

#define Set_W3D_Texture(w3dctx,u,tex) \
{ \
	w3dctx->CurrentTex[(int)u] = (W3D_Texture *)tex;	\
}

#define Set_W3D_ColorPointer(w3dctx,pointer,stride,format,mode, flags) \
{ \
	w3dctx->ColorPointer = (void *)pointer;		\
	w3dctx->CPStride = (int)stride;			\
	w3dctx->CPMode = ((ULONG)mode | (ULONG)format);	\
	w3dctx->CPFlags = (ULONG)flags;			\
}

#define Set_W3D_TexCoordPointer(w3dctx,pointer,stride,u,v_off, w_off,flags) \
{ \
	w3dctx->TexCoordPointer[(int)u] = (void *)pointer;	\
	w3dctx->TPStride[(int)u] = (int)stride;		\
	w3dctx->TPVOffs[(int)u] = (int)v_off;		\
	w3dctx->TPWOffs[(int)u] = (int)w_off;		\
	w3dctx->TPFlags[(int)u] = (ULONG)flags;		\
}

#define Set_W3D_VertexPointer(w3dctx,pointer,stride,mode,flags) \
{ \
	w3dctx->VertexPointer = (void *)pointer;	\
	w3dctx->VPStride = (int)stride;			\
	w3dctx->VPMode = (ULONG)mode;			\
	w3dctx->VPFlags = (ULONG)flags;			\
}


#define Reset_W3D_ArrayPointers(glctx, cls) \
{ \
if(cls & GLCS_VERTEX)\
{\
glctx->w3dContext->VertexPointer = (void *)&glctx->VertexBuffer[0].bx;\
glctx->w3dContext->VPStride = (int)sizeof(MGLVertex);\
glctx->w3dContext->VPMode = W3D_VERTEX_F_F_F;\
glctx->w3dContext->VPFlags = 0;\
} \
if(cls & GLCS_COLOR) \
{ \
glctx->w3dContext->ColorPointer = (void *)glctx->ArrayPointer.colors; \
glctx->w3dContext->CPStride = (int)glctx->ArrayPointer.colorstride; \
glctx->w3dContext->CPMode = (ULONG)glctx->ArrayPointer.colormode; \
} \
\
if(cls & GLCS_TEXTURE) \
{ \
glctx->w3dContext->TexCoordPointer[0] = (void *)glctx->ArrayPointer.texcoords; \
glctx->w3dContext->TPStride[0] = (int)glctx->ArrayPointer.texcoordstride; \
glctx->w3dContext->TPWOffs[0] = (int)glctx->ArrayPointer.w_off; \
} \
}

#endif

#endif