r128.h

Mesa is an open-source implementation of the OpenGL specification - a system for rendering interacti

    GLboolean         IsPCI;            /* Current card is a PCI card */
    drmSize           pciSize;
    drm_handle_t         pciMemHandle;
    unsigned char     *PCI;             /* Map */

    GLboolean         allowPageFlip;    /* Enable 3d page flipping */
    GLboolean         have3DWindows;    /* Are there any 3d clients? */
    int               drmMinor;

    drmSize           agpSize;
    drm_handle_t         agpMemHandle;     /* Handle from drmAgpAlloc */
    unsigned long     agpOffset;
    unsigned char     *AGP;             /* Map */
    int               agpMode;

    GLboolean         CCEInUse;         /* CCE is currently active */
    int               CCEMode;          /* CCE mode that server/clients use */
    int               CCEFifoSize;      /* Size of the CCE command FIFO */
    GLboolean         CCESecure;        /* CCE security enabled */
    int               CCEusecTimeout;   /* CCE timeout in usecs */

				/* CCE ring buffer data */
    unsigned long     ringStart;        /* Offset into AGP space */
    drm_handle_t         ringHandle;       /* Handle from drmAddMap */
    drmSize           ringMapSize;      /* Size of map */
    int               ringSize;         /* Size of ring (in MB) */
    unsigned char     *ring;            /* Map */
    int               ringSizeLog2QW;

    unsigned long     ringReadOffset;   /* Offset into AGP space */
    drm_handle_t         ringReadPtrHandle; /* Handle from drmAddMap */
    drmSize           ringReadMapSize;  /* Size of map */
    unsigned char     *ringReadPtr;     /* Map */

				/* CCE vertex/indirect buffer data */
    unsigned long     bufStart;        /* Offset into AGP space */
    drm_handle_t         bufHandle;       /* Handle from drmAddMap */
    drmSize           bufMapSize;      /* Size of map */
    int               bufSize;         /* Size of buffers (in MB) */
    unsigned char     *buf;            /* Map */
    int               bufNumBufs;      /* Number of buffers */
    drmBufMapPtr      buffers;         /* Buffer map */

				/* CCE AGP Texture data */
    unsigned long     agpTexStart;      /* Offset into AGP space */
    drm_handle_t         agpTexHandle;     /* Handle from drmAddMap */
    drmSize           agpTexMapSize;    /* Size of map */
    int               agpTexSize;       /* Size of AGP tex space (in MB) */
    unsigned char     *agpTex;          /* Map */
    int               log2AGPTexGran;

				/* CCE 2D accleration */
    drmBufPtr         indirectBuffer;
    int               indirectStart;

				/* DRI screen private data */
    int               fbX;
    int               fbY;
    int               backX;
    int               backY;
    int               depthX;
    int               depthY;

    int               frontOffset;
    int               frontPitch;
    int               backOffset;
    int               backPitch;
    int               depthOffset;
    int               depthPitch;
    int               spanOffset;
    int               textureOffset;
    int               textureSize;
    int               log2TexGran;

				/* Saved scissor values */
    u_int32_t            sc_left;
    u_int32_t            sc_right;
    u_int32_t            sc_top;
    u_int32_t            sc_bottom;

    u_int32_t            re_top_left;
    u_int32_t            re_width_height;

    u_int32_t            aux_sc_cntl;

    int               irq;
    u_int32_t            gen_int_cntl;

    GLboolean              DMAForXv;

} R128InfoRec, *R128InfoPtr;

#define R128WaitForFifo(pScrn, entries)                                      \
do {                                                                         \
    if (info->fifo_slots < entries) R128WaitForFifoFunction(pScrn, entries); \
    info->fifo_slots -= entries;                                             \
} while (0)

extern void        r128WaitForFifoFunction(const DRIDriverContext *ctx, int entries);
extern void        r128WaitForIdle(const DRIDriverContext *ctx);

extern void        r128WaitForVerticalSync(const DRIDriverContext *ctx);

extern GLboolean        r128AccelInit(const DRIDriverContext *ctx);
extern void        r128EngineInit(const DRIDriverContext *ctx);
extern GLboolean        r128CursorInit(const DRIDriverContext *ctx);
extern GLboolean        r128DGAInit(const DRIDriverContext *ctx);

extern void        r128InitVideo(const DRIDriverContext *ctx);

extern GLboolean        r128DRIScreenInit(const DRIDriverContext *ctx);
extern void        r128DRICloseScreen(const DRIDriverContext *ctx);
extern GLboolean        r128DRIFinishScreenInit(const DRIDriverContext *ctx);

#define R128CCE_START(ctx, info)					\
do {									\
    int _ret = drmCommandNone(ctx->drmFD, DRM_R128_CCE_START);		\
    if (_ret) {								\
	   fprintf(stderr,				\
		   "%s: CCE start %d\n", __FUNCTION__, _ret);		\
    }									\
} while (0)

#define R128CCE_STOP(ctx, info)					\
do {									\
    int _ret = R128CCEStop(ctx);					\
    if (_ret) {								\
	   fprintf(stderr,				\
		   "%s: CCE stop %d\n", __FUNCTION__, _ret);		\
    }									\
} while (0)

#define R128CCE_RESET(ctx, info)					\
do {									\
    if (info->directRenderingEnabled					\
	&& R128CCE_USE_RING_BUFFER(info->CCEMode)) {			\
	int _ret = drmCommandNone(info->drmFD, DRM_R128_CCE_RESET);	\
	if (_ret) {							\
	       fprintf(stderr,			\
		       "%s: CCE reset %d\n", __FUNCTION__, _ret);	\
	}								\
    }									\
} while (0)

    
#define CCE_PACKET0( reg, n )						\
	(R128_CCE_PACKET0 | ((n) << 16) | ((reg) >> 2))
#define CCE_PACKET1( reg0, reg1 )					\
	(R128_CCE_PACKET1 | (((reg1) >> 2) << 11) | ((reg0) >> 2))
#define CCE_PACKET2()							\
	(R128_CCE_PACKET2)
#define CCE_PACKET3( pkt, n )						\
	(R128_CCE_PACKET3 | (pkt) | ((n) << 16))


#define R128_VERBOSE	0

#define RING_LOCALS	u_int32_t *__head; int __count;

#define R128CCE_REFRESH(pScrn, info)					\
do {									\
   if ( R128_VERBOSE ) {						\
         fprintf(stderr, "REFRESH( %d ) in %s\n",	\
		  !info->CCEInUse , __FUNCTION__ );			\
   }									\
   if ( !info->CCEInUse ) {						\
      R128CCEWaitForIdle(pScrn);       					\
      BEGIN_RING( 6 );							\
      OUT_RING_REG( R128_RE_TOP_LEFT,     info->re_top_left );		\
      OUT_RING_REG( R128_RE_WIDTH_HEIGHT, info->re_width_height );	\
      OUT_RING_REG( R128_AUX_SC_CNTL,     info->aux_sc_cntl );		\
      ADVANCE_RING();							\
      info->CCEInUse = TRUE;						\
   }									\
} while (0)

#define BEGIN_RING( n ) do {						\
   if ( R128_VERBOSE ) {						\
         fprintf(stderr,				\
		  "BEGIN_RING( %d ) in %s\n", n, __FUNCTION__ );	\
   }									\
   if ( !info->indirectBuffer ) {					\
      info->indirectBuffer = R128CCEGetBuffer( pScrn );			\
      info->indirectStart = 0;						\
   } else if ( (info->indirectBuffer->used + 4*(n)) >			\
                info->indirectBuffer->total ) {				\
      R128CCEFlushIndirect( pScrn, 1 );					\
   }									\
   __head = (pointer)((char *)info->indirectBuffer->address +		\
		       info->indirectBuffer->used);			\
   __count = 0;								\
} while (0)

#define ADVANCE_RING() do {						\
   if ( R128_VERBOSE ) {						\
         fprintf(stderr,				\
		  "ADVANCE_RING() used: %d+%d=%d/%d\n",			\
		  info->indirectBuffer->used - info->indirectStart,	\
		  __count * sizeof(u_int32_t),				\
		  info->indirectBuffer->used - info->indirectStart +	\
		  __count * sizeof(u_int32_t),				\
		  info->indirectBuffer->total - info->indirectStart );	\
   }									\
   info->indirectBuffer->used += __count * (int)sizeof(u_int32_t);		\
} while (0)

#define OUT_RING( x ) do {						\
   if ( R128_VERBOSE ) {						\
         fprintf(stderr,				\
		  "   OUT_RING( 0x%08x )\n", (unsigned int)(x) );	\
   }									\
   MMIO_OUT32(&__head[__count++], 0, (x));				\
} while (0)

#define OUT_RING_REG( reg, val )					\
do {									\
   OUT_RING( CCE_PACKET0( reg, 0 ) );					\
   OUT_RING( val );							\
} while (0)

#define FLUSH_RING()							\
do {									\
   if ( R128_VERBOSE )							\
         fprintf(stderr,				\
		  "FLUSH_RING in %s\n", __FUNCTION__ );			\
   if ( info->indirectBuffer ) {					\
      R128CCEFlushIndirect( pScrn, 0 );					\
   }									\
} while (0)

    
#endif