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-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_exec.c55
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_exec.h4
2 files changed, 0 insertions, 59 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index 8baf93fbcf0..972b0a9ded2 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -1066,61 +1066,6 @@ tgsi_exec_set_constant_buffers(struct tgsi_exec_machine *mach,
}
}
-
-/**
- * Check if there's a potential src/dst register data dependency when
- * using SOA execution.
- * Example:
- * MOV T, T.yxwz;
- * This would expand into:
- * MOV t0, t1;
- * MOV t1, t0;
- * MOV t2, t3;
- * MOV t3, t2;
- * The second instruction will have the wrong value for t0 if executed as-is.
- */
-boolean
-tgsi_check_soa_dependencies(const struct tgsi_full_instruction *inst)
-{
- uint i, chan;
-
- uint writemask = inst->Dst[0].Register.WriteMask;
- if (writemask == TGSI_WRITEMASK_X ||
- writemask == TGSI_WRITEMASK_Y ||
- writemask == TGSI_WRITEMASK_Z ||
- writemask == TGSI_WRITEMASK_W ||
- writemask == TGSI_WRITEMASK_NONE) {
- /* no chance of data dependency */
- return FALSE;
- }
-
- /* loop over src regs */
- for (i = 0; i < inst->Instruction.NumSrcRegs; i++) {
- if ((inst->Src[i].Register.File ==
- inst->Dst[0].Register.File) &&
- ((inst->Src[i].Register.Index ==
- inst->Dst[0].Register.Index) ||
- inst->Src[i].Register.Indirect ||
- inst->Dst[0].Register.Indirect)) {
- /* loop over dest channels */
- uint channelsWritten = 0x0;
- for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
- if (inst->Dst[0].Register.WriteMask & (1 << chan)) {
- /* check if we're reading a channel that's been written */
- uint swizzle = tgsi_util_get_full_src_register_swizzle(&inst->Src[i], chan);
- if (channelsWritten & (1 << swizzle)) {
- return TRUE;
- }
-
- channelsWritten |= (1 << chan);
- }
- }
- }
- }
- return FALSE;
-}
-
-
/**
* Initialize machine state by expanding tokens to full instructions,
* allocating temporary storage, setting up constants, etc.
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.h b/src/gallium/auxiliary/tgsi/tgsi_exec.h
index d1d4d3ac816..abc422daf5e 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.h
@@ -467,10 +467,6 @@ void
tgsi_exec_machine_free_data(struct tgsi_exec_machine *mach);
-boolean
-tgsi_check_soa_dependencies(const struct tgsi_full_instruction *inst);
-
-
extern void
tgsi_exec_set_constant_buffers(struct tgsi_exec_machine *mach,
unsigned num_bufs,