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//usr/include/GL/xmesa_xf86.h

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/*
 * Authors:
 *   Kevin E. Martin <kevin@precisioninsight.com>
 *
 * When we're building the XMesa driver for use in the X server (as the
 * indirect render) we include this file when building the xm_*.c files.
 * We need to define some types and macros differently when building
 * in the Xserver vs. stand-alone Mesa.
 */

#ifndef _XMESA_XF86_H_
#define _XMESA_XF86_H_

#include "scrnintstr.h"
#include "pixmapstr.h"

typedef struct _XMesaImageRec XMesaImage;

typedef ScreenRec   XMesaDisplay;
typedef PixmapPtr   XMesaPixmap;
typedef ColormapPtr XMesaColormap;
typedef DrawablePtr XMesaDrawable;
typedef WindowPtr   XMesaWindow;
typedef GCPtr       XMesaGC;
typedef VisualPtr   XMesaVisualInfo;
typedef DDXPointRec XMesaPoint;
typedef xColorItem  XMesaColor;

#define XMesaSetGeneric(__d,__gc,__val,__mask) \
do { \
    CARD32 __v[1]; \
    (void) __d; \
    __v[0] = __val; \
    dixChangeGC(NullClient, __gc, __mask, __v, NULL); \
} while (0)

#define XMesaSetGenericPtr(__d,__gc,__pval,__mask) \
do { \
    ChangeGCVal __v[1]; \
    (void) __d; \
    __v[0].ptr = __pval; \
    dixChangeGC(NullClient, __gc, __mask, NULL, __v); \
} while (0)

#define XMesaSetForeground(d,gc,v) XMesaSetGeneric(d,gc,v,GCForeground)
#define XMesaSetBackground(d,gc,v) XMesaSetGeneric(d,gc,v,GCBackground)
#define XMesaSetPlaneMask(d,gc,v)  XMesaSetGeneric(d,gc,v,GCPlaneMask)
#define XMesaSetFunction(d,gc,v)   XMesaSetGeneric(d,gc,v,GCFunction)
#define XMesaSetFillStyle(d,gc,v)  XMesaSetGeneric(d,gc,v,GCFillStyle)

#define XMesaSetTile(d,gc,v)       XMesaSetGenericPtr(d,gc,v,GCTile)

#define XMesaDrawPoint(__d,__b,__gc,__x,__y) \
do { \
    XMesaPoint __p[1]; \
    (void) __d; \
    __p[0].x = __x; \
    __p[0].y = __y; \
    ValidateGC(__b, __gc); \
    (*gc->ops->PolyPoint)(__b, __gc, CoordModeOrigin, 1, __p); \
} while (0)

#define XMesaDrawPoints(__d,__b,__gc,__p,__n,__m) \
do { \
    (void) __d; \
    ValidateGC(__b, __gc); \
    (*gc->ops->PolyPoint)(__b, __gc, __m, __n, __p); \
} while (0)

#define XMesaDrawLine(__d, __b, __gc, __x0, __y0, __x1, __y1) \
do { \
    XMesaPoint __p[2]; \
    (void) __d; \
    __p[0].x = __x0; \
    __p[0].y = __y0; \
    __p[1].x = __x1; \
    __p[1].y = __y1; \
    ValidateGC(__b, __gc); \
    (*gc->ops->PolyLines)(__b, __gc, CoordModeOrigin, 2, __p); \
} while (0)

#define XMesaFillRectangle(__d,__b,__gc,__x,__y,__w,__h) \
do { \
    xRectangle __r[1]; \
    (void) __d; \
    ValidateGC((DrawablePtr)__b, __gc); \
    __r[0].x = __x; \
    __r[0].y = __y; \
    __r[0].width = __w; \
    __r[0].height = __h; \
    (*__gc->ops->PolyFillRect)((DrawablePtr)__b, __gc, 1, __r); \
} while (0)

#define XMesaPutImage(__d,__b,__gc,__i,__sx,__sy,__x,__y,__w,__h) \
do { \
    /* Assumes: Images are always in ZPixmap format */ \
    (void) __d; \
    if (__sx || __sy) /* The non-trivial case */ \
	XMesaPutImageHelper(__d,__b,__gc,__i,__sx,__sy,__x,__y,__w,__h); \
    ValidateGC(__b, __gc); \
    (*__gc->ops->PutImage)(__b, __gc, ((XMesaDrawable)(__b))->depth, \
			   __x, __y, __w, __h, 0, ZPixmap, \
			   ((XMesaImage *)(__i))->data); \
} while (0)

#define XMesaCopyArea(__d,__sb,__db,__gc,__sx,__sy,__w,__h,__x,__y) \
do { \
    (void) __d; \
    ValidateGC(__db, __gc); \
    (*__gc->ops->CopyArea)((DrawablePtr)__sb, __db, __gc, \
			   __sx, __sy, __w, __h, __x, __y); \
} while (0)

/* CreatePixmap returns a PixmapPtr; so, it cannot be inside braces */
#define XMesaCreatePixmap(__d,__b,__w,__h,__depth) \
    (*__d->CreatePixmap)(__d, __w, __h, __depth)

#define XMesaFreePixmap(__d,__b) \
    (*__d->DestroyPixmap)(__b)

#define XMesaFreeGC(__d,__gc) \
do { \
    (void) __d; \
    FreeScratchGC(__gc); \
} while (0)

#define GET_COLORMAP_SIZE(__v)  __v->ColormapEntries
#define GET_REDMASK(__v)        __v->mesa_visual.redMask
#define GET_GREENMASK(__v)      __v->mesa_visual.greenMask
#define GET_BLUEMASK(__v)       __v->mesa_visual.blueMask
#define GET_VISUAL_DEPTH(__v)   __v->nplanes
#define GET_BLACK_PIXEL(__v)    __v->display->blackPixel
#define CHECK_BYTE_ORDER(__v)   GL_TRUE
#define CHECK_FOR_HPCR(__v)     GL_FALSE

#endif