i965: Handle swizzles in the addition of YUV texture constants.
[mesa.git] / src / mesa / drivers / dri / i965 / brw_defines.h
index dba500c56217c6d7d5e13b425b06a466797c7849..9633c95ff50a8fc7d8e8162fc7736b6e9173ad60 100644 (file)
 #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 */