* vec4_instruction::offset.
*/
GS_OPCODE_SET_WRITE_OFFSET,
+
+ /**
+ * Set the "GS Number of Output Vertices for Slot {0,1}" fields of a
+ * URB_WRITE message header.
+ *
+ * - dst is the MRF containing the message header.
+ *
+ * - src0.x is the vertex count. The upper 16 bits will be ignored.
+ */
+ GS_OPCODE_SET_VERTEX_COUNT,
+
+ /**
+ * Set DWORD 2 of dst to the immediate value in src. Used by geometry
+ * shaders to initialize DWORD 2 of R0, which needs to be 0 in order for
+ * scratch reads and writes to operate correctly.
+ */
+ GS_OPCODE_SET_DWORD_2_IMMED,
};
#define BRW_PREDICATE_NONE 0