#define BRW_MASK_ENABLE 0
#define BRW_MASK_DISABLE 1
-/* Sandybridge is WECtrl (Write enable control) */
+/** @{
+ *
+ * Gen6 has replaced "mask enable/disable" with WECtrl, which is
+ * effectively the same but much simpler to think about. Now, there
+ * are two contributors ANDed together to whether channels are
+ * executed: The predication on the instruction, and the channel write
+ * enable.
+ */
+/**
+ * This is the default value. It means that a channel's write enable is set
+ * if the per-channel IP is pointing at this instruction.
+ */
#define BRW_WE_NORMAL 0
-#define BRW_WE_KILL_PRED 1
+/**
+ * This is used like BRW_MASK_DISABLE, and causes all channels to have
+ * their write enable set. Note that predication still contributes to
+ * whether the channel actually gets written.
+ */
+#define BRW_WE_ALL 1
+/** @} */
#define BRW_OPCODE_MOV 1
#define BRW_OPCODE_SEL 2
#define BRW_ARF_NOTIFICATION_COUNT 0x90
#define BRW_ARF_IP 0xA0
+#define BRW_MRF_COMPR4 (1 << 7)
+
#define BRW_AMASK 0
#define BRW_IMASK 1
#define BRW_LMASK 2
#define BRW_SAMPLER_MESSAGE_SAMPLE_BIAS_GEN5 1
#define BRW_SAMPLER_MESSAGE_SAMPLE_LOD_GEN5 2
#define BRW_SAMPLER_MESSAGE_SAMPLE_COMPARE_GEN5 3
+#define BRW_SAMPLER_MESSAGE_SAMPLE_DERIVS_GEN5 4
+#define BRW_SAMPLER_MESSAGE_SAMPLE_BIAS_COMPARE_GEN5 5
+#define BRW_SAMPLER_MESSAGE_SAMPLE_LOD_COMPARE_GEN5 6
/* for GEN5 only */
#define BRW_SAMPLER_SIMD_MODE_SIMD4X2 0
#define BRW_DATAPORT_DWORD_SCATTERED_BLOCK_8DWORDS 2
#define BRW_DATAPORT_DWORD_SCATTERED_BLOCK_16DWORDS 3
+/* This one stays the same across generations. */
#define BRW_DATAPORT_READ_MESSAGE_OWORD_BLOCK_READ 0
+/* GEN4 */
+#define BRW_DATAPORT_READ_MESSAGE_OWORD_DUAL_BLOCK_READ 1
+#define BRW_DATAPORT_READ_MESSAGE_MEDIA_BLOCK_READ 2
+#define BRW_DATAPORT_READ_MESSAGE_DWORD_SCATTERED_READ 3
+/* G45, GEN5 */
+#define G45_DATAPORT_READ_MESSAGE_RENDER_UNORM_READ 1
+#define G45_DATAPORT_READ_MESSAGE_OWORD_DUAL_BLOCK_READ 2
+#define G45_DATAPORT_READ_MESSAGE_AVC_LOOP_FILTER_READ 3
+#define G45_DATAPORT_READ_MESSAGE_MEDIA_BLOCK_READ 4
+#define G45_DATAPORT_READ_MESSAGE_DWORD_SCATTERED_READ 6
/* GEN6 */
-#define BRW_DATAPORT_READ_MESSAGE_RENDER_UNORM_READ 1
-#define BRW_DATAPORT_READ_MESSAGE_OWORD_DUAL_BLOCK_READ 2
-#define BRW_DATAPORT_READ_MESSAGE_DWORD_BLOCK_READ 4
-/* GEN6 */
-#define BRW_DATAPORT_READ_MESSAGE_OWORD_UNALIGN_BLOCK_READ 5
-#define BRW_DATAPORT_READ_MESSAGE_DWORD_SCATTERED_READ 6
+#define GEN6_DATAPORT_READ_MESSAGE_RENDER_UNORM_READ 1
+#define GEN6_DATAPORT_READ_MESSAGE_OWORD_DUAL_BLOCK_READ 2
+#define GEN6_DATAPORT_READ_MESSAGE_MEDIA_BLOCK_READ 4
+#define GEN6_DATAPORT_READ_MESSAGE_OWORD_UNALIGN_BLOCK_READ 5
+#define GEN6_DATAPORT_READ_MESSAGE_DWORD_SCATTERED_READ 6
#define BRW_DATAPORT_READ_TARGET_DATA_CACHE 0
#define BRW_DATAPORT_READ_TARGET_RENDER_CACHE 1
/* DW3 */
# define GEN6_CLIP_MIN_POINT_WIDTH_SHIFT 17
# define GEN6_CLIP_MAX_POINT_WIDTH_SHIFT 6
+# define GEN6_CLIP_FORCE_ZERO_RTAINDEX (1 << 5)
#define CMD_3D_SF_STATE 0x7813 /* GEN6+ */
/* DW1 */