-#define SQ_TEX_INST_SAMPLE 0x10
-#define SQ_TEX_INST_SAMPLE_L 0x11
-#define SQ_TEX_INST_SAMPLE_G 0x14
-#define SQ_TEX_INST_SAMPLE_C 0x18
-#define SQ_TEX_INST_SAMPLE_C_L 0x19
-#define SQ_TEX_INST_SAMPLE_C_G 0x1C
+#define SQ_TEX_INST_SAMPLE 0x10
+#define SQ_TEX_INST_SAMPLE_L 0x11
+#define SQ_TEX_INST_SAMPLE_LB 0x12
+#define SQ_TEX_INST_SAMPLE_LZ 0x13
+#define SQ_TEX_INST_SAMPLE_G 0x14
+#define SQ_TEX_INST_SAMPLE_G_L 0x15
+#define SQ_TEX_INST_SAMPLE_G_LB 0x16
+#define SQ_TEX_INST_SAMPLE_G_LZ 0x17
+#define SQ_TEX_INST_SAMPLE_C 0x18 /* src.xyz = texcoord, src.z = array index (if needed), src.w = depth */
+#define SQ_TEX_INST_SAMPLE_C_L 0x19 /* src.xy = texcoord, src.y = array index (if needed), src.z = depth, src.w = lod */
+#define SQ_TEX_INST_SAMPLE_C_LB 0x1A /* src.xy = texcoord, src.y = array index (if needed), src.z = depth, src.w = bias */
+#define SQ_TEX_INST_SAMPLE_C_LZ 0x1B
+#define SQ_TEX_INST_SAMPLE_C_G 0x1C
+#define SQ_TEX_INST_SAMPLE_C_G_L 0x1D
+#define SQ_TEX_INST_SAMPLE_C_G_LB 0x1E
+#define SQ_TEX_INST_SAMPLE_C_G_LZ 0x1F