tgsi: add tgsi_transform_op3_inst() function

Reviewed-by: Charmaine Lee <charmainel@vmware.com>

diff --git a/src/gallium/auxiliary/tgsi/tgsi_transform.h b/src/gallium/auxiliary/tgsi/tgsi_transform.h
index 27e6179c9ee349874c917e928ea18de3cdbee1e4..4dd7dda25fd87582ac6928c4cf966e1d686c2721 100644 (file)
--- a/src/gallium/auxiliary/tgsi/tgsi_transform.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_transform.h
@@ -301,6 +301,40 @@ tgsi_transform_op2_inst(struct tgsi_transform_context *ctx,
 }
 
 
+static inline void
+tgsi_transform_op3_inst(struct tgsi_transform_context *ctx,
+                        unsigned opcode,
+                        unsigned dst_file,
+                        unsigned dst_index,
+                        unsigned dst_writemask,
+                        unsigned src0_file,
+                        unsigned src0_index,
+                        unsigned src1_file,
+                        unsigned src1_index,
+                        unsigned src2_file,
+                        unsigned src2_index)
+{
+   struct tgsi_full_instruction inst;
+
+   inst = tgsi_default_full_instruction();
+   inst.Instruction.Opcode = opcode;
+   inst.Instruction.NumDstRegs = 1;
+   inst.Dst[0].Register.File = dst_file,
+   inst.Dst[0].Register.Index = dst_index;
+   inst.Dst[0].Register.WriteMask = dst_writemask;
+   inst.Instruction.NumSrcRegs = 3;
+   inst.Src[0].Register.File = src0_file;
+   inst.Src[0].Register.Index = src0_index;
+   inst.Src[1].Register.File = src1_file;
+   inst.Src[1].Register.Index = src1_index;
+   inst.Src[2].Register.File = src2_file;
+   inst.Src[2].Register.Index = src2_index;
+
+   ctx->emit_instruction(ctx, &inst);
+}
+
+
+
 static inline void
 tgsi_transform_op1_swz_inst(struct tgsi_transform_context *ctx,
                             unsigned opcode,