Home | History | Annotate | Download | only in radeon
      1 #ifndef COMMON_CMDBUF_H
      2 #define COMMON_CMDBUF_H
      3 
      4 GLboolean rcommonEnsureCmdBufSpace(radeonContextPtr rmesa, int dwords, const char *caller);
      5 int rcommonFlushCmdBuf(radeonContextPtr rmesa, const char *caller);
      6 int rcommonFlushCmdBufLocked(radeonContextPtr rmesa, const char *caller);
      7 void rcommonInitCmdBuf(radeonContextPtr rmesa);
      8 void rcommonDestroyCmdBuf(radeonContextPtr rmesa);
      9 
     10 void rcommonBeginBatch(radeonContextPtr rmesa,
     11 		       int n,
     12 		       const char *file,
     13 		       const char *function,
     14 		       int line);
     15 
     16 /* +r6/r7 : code here moved */
     17 
     18 #define CP_PACKET2  (2 << 30)
     19 #define CP_PACKET0(reg, n)	(RADEON_CP_PACKET0 | ((n)<<16) | ((reg)>>2))
     20 #define CP_PACKET0_ONE(reg, n)	(RADEON_CP_PACKET0 | RADEON_CP_PACKET0_ONE_REG_WR | ((n)<<16) | ((reg)>>2))
     21 #define CP_PACKET3(pkt, n)	(RADEON_CP_PACKET3 | (pkt) | ((n) << 16))
     22 
     23 /**
     24  * Every function writing to the command buffer needs to declare this
     25  * to get the necessary local variables.
     26  */
     27 #define BATCH_LOCALS(rmesa) \
     28 	const radeonContextPtr b_l_rmesa = rmesa
     29 
     30 /**
     31  * Prepare writing n dwords to the command buffer.  Does not cause automatic
     32  * state emits.
     33  */
     34 #define BEGIN_BATCH(n) rcommonBeginBatch(b_l_rmesa, n, __FILE__, __func__, __LINE__)
     35 
     36 /**
     37  * Write one dword to the command buffer.
     38  */
     39 #define OUT_BATCH(data) \
     40 	do { \
     41         radeon_cs_write_dword(b_l_rmesa->cmdbuf.cs, data);\
     42 	} while(0)
     43 
     44 /**
     45  * Write a relocated dword to the command buffer.
     46  */
     47 #define OUT_BATCH_RELOC(data, bo, offset, rd, wd, flags) 	\
     48 	do { 							\
     49 	int  __offset = (offset);				\
     50         if (0 && __offset) {					\
     51             fprintf(stderr, "(%s:%s:%d) offset : %d\n",		\
     52             __FILE__, __func__, __LINE__, __offset);	\
     53         }							\
     54         radeon_cs_write_dword(b_l_rmesa->cmdbuf.cs, __offset);	\
     55         radeon_cs_write_reloc(b_l_rmesa->cmdbuf.cs, 		\
     56                               bo, rd, wd, flags);		\
     57 	} while(0)
     58 
     59 
     60 /**
     61  * Write n dwords from ptr to the command buffer.
     62  */
     63 #define OUT_BATCH_TABLE(ptr,n) \
     64 	do { \
     65 		radeon_cs_write_table(b_l_rmesa->cmdbuf.cs, (ptr), (n));\
     66 	} while(0)
     67 
     68 /**
     69  * Finish writing dwords to the command buffer.
     70  * The number of (direct or indirect) OUT_BATCH calls between the previous
     71  * BEGIN_BATCH and END_BATCH must match the number specified at BEGIN_BATCH time.
     72  */
     73 #define END_BATCH() \
     74 	do { \
     75         radeon_cs_end(b_l_rmesa->cmdbuf.cs, __FILE__, __func__, __LINE__);\
     76 	} while(0)
     77 
     78 /**
     79  * After the last END_BATCH() of rendering, this indicates that flushing
     80  * the command buffer now is okay.
     81  */
     82 #define COMMIT_BATCH() \
     83 	do { \
     84 	} while(0)
     85 
     86 
     87 /** Single register write to command buffer; requires 2 dwords. */
     88 #define OUT_BATCH_REGVAL(reg, val) \
     89 	OUT_BATCH(cmdpacket0(b_l_rmesa->radeonScreen, (reg), 1)); \
     90 	OUT_BATCH((val))
     91 
     92 /** Continuous register range write to command buffer; requires 1 dword,
     93  * expects count dwords afterwards for register contents. */
     94 #define OUT_BATCH_REGSEQ(reg, count) \
     95 	OUT_BATCH(cmdpacket0(b_l_rmesa->radeonScreen, (reg), (count)))
     96 
     97 /* +r6/r7 : code here moved */
     98 
     99 /* Fire the buffered vertices no matter what.
    100  */
    101 static inline void radeon_firevertices(radeonContextPtr radeon)
    102 {
    103    if (radeon->cmdbuf.cs->cdw || radeon->dma.flush )
    104       radeon->glCtx.Driver.Flush(&radeon->glCtx); /* +r6/r7 */
    105 }
    106 
    107 #endif
    108