i965: Add #defines for the MI_LOAD_REGISTER_MEM command.

This command reads a value from memory and writes it to a register (the
opposite of MI_STORE_REGISTER_MEM).  It's only available on Gen7+.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Paul Berry <stereotype441@gmail.com>

diff --git a/src/mesa/drivers/dri/i965/intel_reg.h b/src/mesa/drivers/dri/i965/intel_reg.h
index 4e211de..d732038 100644 (file)
--- a/src/mesa/drivers/dri/i965/intel_reg.h
+++ b/src/mesa/drivers/dri/i965/intel_reg.h
@@ -44,6 +44,10 @@
 #define MI_STORE_REGISTER_MEM          (CMD_MI | (0x24 << 23))
 # define MI_STORE_REGISTER_MEM_USE_GGTT                (1 << 22)
 
+/* Load a value from memory into a register.  Only available on Gen7+. */
+#define GEN7_MI_LOAD_REGISTER_MEM      (CMD_MI | (0x29 << 23))
+# define MI_LOAD_REGISTER_MEM_USE_GGTT         (1 << 22)
+
 /** @{
  *
  * PIPE_CONTROL operation, a combination MI_FLUSH and register write with