# define RADEON_BLEND_OP_COUNT_SHIFT 12
# define RADEON_POSITION_BLEND_OP_ENABLE (1 << 16)
# define RADEON_NORMAL_BLEND_OP_ENABLE (1 << 17)
-# define RADEON_VERTEX_BLEND_SRC_0_PRIMARY (1 << 18)
+# define RADEON_VERTEX_BLEND_SRC_0_PRIMARY (0 << 18)
# define RADEON_VERTEX_BLEND_SRC_0_SECONDARY (1 << 18)
-# define RADEON_VERTEX_BLEND_SRC_1_PRIMARY (1 << 19)
+# define RADEON_VERTEX_BLEND_SRC_1_PRIMARY (0 << 19)
# define RADEON_VERTEX_BLEND_SRC_1_SECONDARY (1 << 19)
-# define RADEON_VERTEX_BLEND_SRC_2_PRIMARY (1 << 20)
+# define RADEON_VERTEX_BLEND_SRC_2_PRIMARY (0 << 20)
# define RADEON_VERTEX_BLEND_SRC_2_SECONDARY (1 << 20)
-# define RADEON_VERTEX_BLEND_SRC_3_PRIMARY (1 << 21)
+# define RADEON_VERTEX_BLEND_SRC_3_PRIMARY (0 << 21)
# define RADEON_VERTEX_BLEND_SRC_3_SECONDARY (1 << 21)
# define RADEON_VERTEX_BLEND_WGT_MINUS_ONE (1 << 22)
# define RADEON_CULL_FRONT_IS_CW (0 << 28)