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-rw-r--r--src/radeon_reg.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/radeon_reg.h b/src/radeon_reg.h
index 94d5f312..a08654db 100644
--- a/src/radeon_reg.h
+++ b/src/radeon_reg.h
@@ -4433,6 +4433,9 @@
#define R300_RB3D_ZTOP 0x4f14
#define R300_RB3D_ROPCNTL 0x4e18
#define R300_RB3D_BLENDCNTL 0x4e04
+# define R300_ALPHA_BLEND_ENABLE (1 << 0)
+# define R300_SEPARATE_ALPHA_ENABLE (1 << 1)
+# define R300_READ_ENABLE (1 << 2)
#define R300_RB3D_ABLENDCNTL 0x4e08
#define R300_RB3D_DSTCACHE_CTLSTAT 0x4e4c
#define R300_RB3D_COLOROFFSET0 0x4e28