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 */
radeon_firevertices(radeonContextPtr radeon)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