Mesa (master): tgsi/scan: scan texture offset operands

[Marek Olšák]

Module: Mesa
Branch: master
Commit: f35b1d156b302f3a8ac9f084f3db0394c35e6597
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f35b1d156b302f3a8ac9f084f3db0394c35e6597

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Thu Oct 20 01:22:07 2016 +0200

tgsi/scan: scan texture offset operands

This seems important considering how much we depend on some of the flags.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle at amd.com>

---

 src/gallium/auxiliary/tgsi/tgsi_scan.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c
index 00f55c7..cbb3eec 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c
@@ -368,6 +368,22 @@ scan_instruction(struct tgsi_shader_info *info,
                        is_interp_instruction, &is_mem_inst);
    }
 
+   if (fullinst->Instruction.Texture) {
+      for (i = 0; i < fullinst->Texture.NumOffsets; i++) {
+         struct tgsi_full_src_register src = {};
+
+         src.Register.File = fullinst->TexOffsets[i].File;
+         src.Register.Index = fullinst->TexOffsets[i].Index;
+         src.Register.SwizzleX = fullinst->TexOffsets[i].SwizzleX;
+         src.Register.SwizzleY = fullinst->TexOffsets[i].SwizzleY;
+         src.Register.SwizzleZ = fullinst->TexOffsets[i].SwizzleZ;
+
+         /* The usage mask is suboptimal but should be safe. */
+         scan_src_operand(info, fullinst, &src, 0, TGSI_WRITEMASK_XYZ,
+                          false, &is_mem_inst);
+      }
+   }
+
    /* check for indirect register writes */
    for (i = 0; i < fullinst->Instruction.NumDstRegs; i++) {
       const struct tgsi_full_dst_register *dst = &fullinst->Dst[i];