diff options
author | Tom Stellard <tstellar@gmail.com> | 2010-09-23 21:15:06 -0700 |
---|---|---|
committer | Tom Stellard <tstellar@gmail.com> | 2010-09-27 23:17:11 -0700 |
commit | 798355d429f3cd6e76bb1d01549c203e443348b6 (patch) | |
tree | e54818f3124e75e10b906e8d8ca92e593d28590b /src/mesa/drivers/dri/r300/compiler | |
parent | 34dba5f05aa36baecdc655f7f94fed871006d590 (diff) |
r300/compiler: Add more helper functions for iterating through sources
rc_for_all_reads_src() and rc_pair_for_all_reads_arg() pass references to
instruction sources to the callback so they can be modified directly.
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler')
-rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_dataflow.c | 125 | ||||
-rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_dataflow.h | 12 |
2 files changed, 102 insertions, 35 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_dataflow.c b/src/mesa/drivers/dri/r300/compiler/radeon_dataflow.c index e73700f84a..a27d395587 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_dataflow.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_dataflow.c @@ -29,49 +29,32 @@ #include "radeon_program.h" +struct read_write_mask_data { + void * UserData; + rc_read_write_mask_fn Cb; +}; + static void reads_normal_callback( - rc_read_write_chan_fn cb, + void * userdata, struct rc_instruction * fullinst, - struct rc_src_register src, - void * userdata) + struct rc_src_register * src) { + struct read_write_mask_data * cb_data = userdata; unsigned int refmask = 0; unsigned int chan; for(chan = 0; chan < 4; chan++) { - refmask |= 1 << GET_SWZ(src.Swizzle, chan); + refmask |= 1 << GET_SWZ(src->Swizzle, chan); } refmask &= RC_MASK_XYZW; - if (refmask) - cb(userdata, fullinst, src.File, src.Index, refmask); - - if (refmask && src.RelAddr) - cb(userdata, fullinst, RC_FILE_ADDRESS, 0, RC_MASK_X); -} - -static void reads_normal(struct rc_instruction * fullinst, rc_read_write_chan_fn cb, void * userdata) -{ - struct rc_sub_instruction * inst = &fullinst->U.I; - const struct rc_opcode_info * opcode = rc_get_opcode_info(inst->Opcode); - - for(unsigned int src = 0; src < opcode->NumSrcRegs; ++src) { - - if (inst->SrcReg[src].File == RC_FILE_NONE) - return; + if (refmask) { + cb_data->Cb(cb_data->UserData, fullinst, src->File, + src->Index, refmask); + } - if (inst->SrcReg[src].File == RC_FILE_PRESUB) { - unsigned int i; - unsigned int srcp_regs = rc_presubtract_src_reg_count( - inst->PreSub.Opcode); - for( i = 0; i < srcp_regs; i++) { - reads_normal_callback(cb, fullinst, - inst->PreSub.SrcReg[i], - userdata); - } - } else { - reads_normal_callback(cb, fullinst, - inst->SrcReg[src], userdata); - } + if (refmask && src->RelAddr) { + cb_data->Cb(cb_data->UserData, fullinst, RC_FILE_ADDRESS, 0, + RC_MASK_X); } } @@ -112,7 +95,7 @@ static void pair_get_src_refmasks(unsigned int * refmasks, } } -static void reads_pair(struct rc_instruction * fullinst, rc_read_write_mask_fn cb, void * userdata) +static void reads_pair(struct rc_instruction * fullinst, rc_read_write_mask_fn cb, void * userdata) { struct rc_pair_instruction * inst = &fullinst->U.P; unsigned int refmasks[3] = { 0, 0, 0 }; @@ -143,6 +126,74 @@ static void reads_pair(struct rc_instruction * fullinst, rc_read_write_mask_fn } } +static void pair_sub_for_all_args( + struct rc_instruction * fullinst, + struct rc_pair_sub_instruction * sub, + rc_pair_read_arg_fn cb, + void * userdata) +{ + int i; + const struct rc_opcode_info * info = rc_get_opcode_info(sub->Opcode); + + for(i = 0; i < info->NumSrcRegs; i++) { + cb(userdata, fullinst, &sub->Arg[i]); + } +} + +/* This function calls the callback function (cb) for each source used by + * the instruction. + * */ +void rc_for_all_reads_src( + struct rc_instruction * inst, + rc_read_src_fn cb, + void * userdata) +{ + const struct rc_opcode_info * opcode = + rc_get_opcode_info(inst->U.I.Opcode); + + /* This function only works with normal instructions. */ + if (inst->Type != RC_INSTRUCTION_NORMAL) { + assert(0); + return; + } + + for(unsigned int src = 0; src < opcode->NumSrcRegs; ++src) { + + if (inst->U.I.SrcReg[src].File == RC_FILE_NONE) + continue; + + if (inst->U.I.SrcReg[src].File == RC_FILE_PRESUB) { + unsigned int i; + unsigned int srcp_regs = rc_presubtract_src_reg_count( + inst->U.I.PreSub.Opcode); + for( i = 0; i < srcp_regs; i++) { + cb(userdata, inst, &inst->U.I.PreSub.SrcReg[i]); + } + } else { + cb(userdata, inst, &inst->U.I.SrcReg[src]); + } + } +} + +/** + * This function calls the callback function (cb) for each arg of the RGB and + * alpha components. + */ +void rc_pair_for_all_reads_arg( + struct rc_instruction * inst, + rc_pair_read_arg_fn cb, + void * userdata) +{ + /* This function only works with pair instructions. */ + if (inst->Type != RC_INSTRUCTION_PAIR) { + assert(0); + return; + } + + pair_sub_for_all_args(inst, &inst->U.P.RGB, cb, userdata); + pair_sub_for_all_args(inst, &inst->U.P.Alpha, cb, userdata); +} + /** * Calls a callback function for all register reads. * @@ -153,7 +204,11 @@ static void reads_pair(struct rc_instruction * fullinst, rc_read_write_mask_fn void rc_for_all_reads_mask(struct rc_instruction * inst, rc_read_write_mask_fn cb, void * userdata) { if (inst->Type == RC_INSTRUCTION_NORMAL) { - reads_normal(inst, cb, userdata); + struct read_write_mask_data cb_data; + cb_data.UserData = userdata; + cb_data.Cb = cb; + + rc_for_all_reads_src(inst, reads_normal_callback, &cb_data); } else { reads_pair(inst, cb, userdata); } diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_dataflow.h b/src/mesa/drivers/dri/r300/compiler/radeon_dataflow.h index 795d9cc2b6..d10ae3c7b7 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_dataflow.h +++ b/src/mesa/drivers/dri/r300/compiler/radeon_dataflow.h @@ -33,6 +33,8 @@ struct radeon_compiler; struct rc_instruction; struct rc_swizzle_caps; +struct rc_src_register; +struct rc_pair_instruction_arg; /** @@ -49,6 +51,16 @@ typedef void (*rc_read_write_mask_fn)(void * userdata, struct rc_instruction * i void rc_for_all_reads_mask(struct rc_instruction * inst, rc_read_write_mask_fn cb, void * userdata); void rc_for_all_writes_mask(struct rc_instruction * inst, rc_read_write_mask_fn cb, void * userdata); +typedef void (*rc_read_src_fn)(void * userdata, struct rc_instruction * inst, + struct rc_src_register * src); +void rc_for_all_reads_src(struct rc_instruction * inst, rc_read_src_fn cb, + void * userdata); + +typedef void (*rc_pair_read_arg_fn)(void * userdata, + struct rc_instruction * inst, struct rc_pair_instruction_arg * arg); +void rc_pair_for_all_reads_arg(struct rc_instruction * inst, + rc_pair_read_arg_fn cb, void * userdata); + typedef void (*rc_remap_register_fn)(void * userdata, struct rc_instruction * inst, rc_register_file * pfile, unsigned int * pindex); void rc_remap_registers(struct rc_instruction * inst, rc_remap_register_fn cb, void * userdata); |