wined3d: Shift the writemask in the frontend.

dlls/wined3d/shader_sm1.c

@@ -76,6 +76,10 @@ WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
 #define WINED3DSP_DSTSHIFT_SHIFT                24
 #define WINED3DSP_DSTSHIFT_MASK                 (0xf << WINED3DSP_DSTSHIFT_SHIFT)
 
+/* Write mask */
+#define WINED3D_SM1_WRITEMASK_SHIFT             16
+#define WINED3D_SM1_WRITEMASK_MASK              (0xf << WINED3D_SM1_WRITEMASK_SHIFT)
+
 /* Swizzle mask */
 #define WINED3DSP_SWIZZLE_SHIFT                 16
 #define WINED3DSP_SWIZZLE_MASK                  (0xff << WINED3DSP_SWIZZLE_SHIFT)
@@ -351,7 +355,7 @@ static void shader_parse_dst_param(DWORD param, const struct wined3d_shader_src_
     dst->register_type = ((param & WINED3DSP_REGTYPE_MASK) >> WINED3DSP_REGTYPE_SHIFT)
             | ((param & WINED3DSP_REGTYPE_MASK2) >> WINED3DSP_REGTYPE_SHIFT2);
     dst->register_idx = param & WINED3DSP_REGNUM_MASK;
-    dst->write_mask = param & WINED3DSP_WRITEMASK_ALL;
+    dst->write_mask = (param & WINED3D_SM1_WRITEMASK_MASK) >> WINED3D_SM1_WRITEMASK_SHIFT;
     dst->modifiers = (param & WINED3DSP_DSTMOD_MASK) >> WINED3DSP_DSTMOD_SHIFT;
     dst->shift = (param & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
     dst->rel_addr = rel_addr;

dlls/wined3d/wined3d_private.h

@@ -351,11 +351,11 @@ typedef enum _WINED3DSHADER_PARAM_SRCMOD_TYPE
     WINED3DSPSM_NOT = 13,
 } WINED3DSHADER_PARAM_SRCMOD_TYPE;
 
-#define WINED3DSP_WRITEMASK_0   0x00010000 /* .x r */
-#define WINED3DSP_WRITEMASK_1   0x00020000 /* .y g */
-#define WINED3DSP_WRITEMASK_2   0x00040000 /* .z b */
-#define WINED3DSP_WRITEMASK_3   0x00080000 /* .w a */
-#define WINED3DSP_WRITEMASK_ALL 0x000F0000 /* all */
+#define WINED3DSP_WRITEMASK_0   0x1 /* .x r */
+#define WINED3DSP_WRITEMASK_1   0x2 /* .y g */
+#define WINED3DSP_WRITEMASK_2   0x4 /* .z b */
+#define WINED3DSP_WRITEMASK_3   0x8 /* .w a */
+#define WINED3DSP_WRITEMASK_ALL 0xf /* all */
 
 typedef enum _WINED3DSHADER_PARAM_DSTMOD_TYPE
 {