diff options
| -rw-r--r-- | src/mesa/shader/prog_optimize.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/src/mesa/shader/prog_optimize.c b/src/mesa/shader/prog_optimize.c index a02f5efa41..be903106a0 100644 --- a/src/mesa/shader/prog_optimize.c +++ b/src/mesa/shader/prog_optimize.c @@ -812,98 +812,6 @@ _mesa_reallocate_registers(struct gl_program *prog) } - - - - - - -#if 0 -static void -_mesa_find_temporary_live_intervals(struct gl_program *prog, - GLint firstInst[MAX_PROGRAM_TEMPS], - GLint lastInst[MAX_PROGRAM_TEMPS]) -{ - GLuint i; - - for (i = 0; i < MAX_PROGRAM_TEMPS; i++) { - firstInst[i] = lastInst[i] = -1; - } - - struct loop_info loopStack[MAX_LOOP_NESTING]; - GLuint loopStackDepth = 0; - GLint intBegin[MAX_PROGRAM_TEMPS], intEnd[MAX_PROGRAM_TEMPS]; - GLuint i; - - /* - * Note: we'll return GL_FALSE below if we find relative indexing - * into the TEMP register file. We can't handle that yet. - * We also give up on subroutines for now. - */ - - if (dbg) { - _mesa_printf("Optimize: Begin find intervals\n"); - } - - for (i = 0; i < MAX_PROGRAM_TEMPS; i++){ - intBegin[i] = intEnd[i] = -1; - } - - /* Scan instructions looking for temporary registers */ - for (i = 0; i < prog->NumInstructions; i++) { - const struct prog_instruction *inst = prog->Instructions + i; - if (inst->Opcode == OPCODE_BGNLOOP) { - loopStack[loopStackDepth].Start = i; - loopStack[loopStackDepth].End = inst->BranchTarget; - loopStackDepth++; - } - else if (inst->Opcode == OPCODE_ENDLOOP) { - loopStackDepth--; - } - else if (inst->Opcode == OPCODE_CAL) { - return GL_FALSE; - } - else { - const GLuint numSrc = _mesa_num_inst_src_regs(inst->Opcode); - GLuint j; - for (j = 0; j < numSrc; j++) { - if (inst->SrcReg[j].File == PROGRAM_TEMPORARY) { - const GLuint index = inst->SrcReg[j].Index; - if (inst->SrcReg[j].RelAddr) - return GL_FALSE; - update_interval(intBegin, intEnd, index, i); - if (loopStackDepth > 0) { - /* extend temp register's interval to end of loop */ - GLuint loopEnd = loopStack[loopStackDepth - 1].End; - update_interval(intBegin, intEnd, index, loopEnd); - } - } - } - if (inst->DstReg.File == PROGRAM_TEMPORARY) { - const GLuint index = inst->DstReg.Index; - if (inst->DstReg.RelAddr) - return GL_FALSE; - update_interval(intBegin, intEnd, index, i); - if (loopStackDepth > 0) { - /* extend temp register's interval to end of loop */ - GLuint loopEnd = loopStack[loopStackDepth - 1].End; - update_interval(intBegin, intEnd, index, loopEnd); - } - } - } - } - - - - -#endif - - - - - - - /** * Apply optimizations to the given program to eliminate unnecessary * instructions, temp regs, etc. |