diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/radeon_compiler.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_compiler.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c index babdcffd3ab..d0b78ec1c88 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c @@ -93,6 +93,41 @@ void rc_error(struct radeon_compiler * c, const char * fmt, ...) } } +int rc_if_fail_helper(struct radeon_compiler * c, const char * file, int line, const char * assertion) +{ + rc_error(c, "ICE at %s:%i: assertion failed: %s\n", file, line, assertion); + return 1; +} + +/** + * Recompute c->Program.InputsRead and c->Program.OutputsWritten + * based on which inputs and outputs are actually referenced + * in program instructions. + */ +void rc_calculate_inputs_outputs(struct radeon_compiler * c) +{ + struct rc_instruction *inst; + + c->Program.InputsRead = 0; + c->Program.OutputsWritten = 0; + + for(inst = c->Program.Instructions.Next; inst != &c->Program.Instructions; inst = inst->Next) + { + const struct rc_opcode_info * opcode = rc_get_opcode_info(inst->I.Opcode); + int i; + + for (i = 0; i < opcode->NumSrcRegs; ++i) { + if (inst->I.SrcReg[i].File == RC_FILE_INPUT) + c->Program.InputsRead |= 1 << inst->I.SrcReg[i].Index; + } + + if (opcode->HasDstReg) { + if (inst->I.DstReg.File == RC_FILE_OUTPUT) + c->Program.OutputsWritten |= 1 << inst->I.DstReg.Index; + } + } +} + /** * Rewrite the program such that everything that source the given input * register will source new_input instead. |