wined3d: Implement more GLSL instructions.

Implement D3DSIO_TEXREG2AR, TEXREG2GB, TEXREG2RGB, TEXM3X3TEX, TEXM3X3SPEC.
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 1017c77..1f51e3b 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -1510,9 +1510,14 @@
 extern void pshader_glsl_texm3x2pad(SHADER_OPCODE_ARG* arg);
 extern void pshader_glsl_texm3x2tex(SHADER_OPCODE_ARG* arg);
 extern void pshader_glsl_texm3x3pad(SHADER_OPCODE_ARG* arg);
+extern void pshader_glsl_texm3x3tex(SHADER_OPCODE_ARG* arg);
+extern void pshader_glsl_texm3x3spec(SHADER_OPCODE_ARG* arg);
 extern void pshader_glsl_texm3x3vspec(SHADER_OPCODE_ARG* arg);
 extern void pshader_glsl_texkill(SHADER_OPCODE_ARG* arg);
 extern void pshader_glsl_texbem(SHADER_OPCODE_ARG* arg);
+extern void pshader_glsl_texreg2ar(SHADER_OPCODE_ARG* arg);
+extern void pshader_glsl_texreg2gb(SHADER_OPCODE_ARG* arg);
+extern void pshader_glsl_texreg2rgb(SHADER_OPCODE_ARG* arg);
 extern void pshader_glsl_dp2add(SHADER_OPCODE_ARG* arg);
 extern void pshader_glsl_input_pack(
    SHADER_BUFFER* buffer,