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-rw-r--r--src/mesa/shader/prog_optimize.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/src/mesa/shader/prog_optimize.c b/src/mesa/shader/prog_optimize.c
index a02f5efa417..be903106a08 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.