Add glTexGen funcs to interface

src/gpu/gl/GrGLDefines.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 
 #ifndef GrGLDefines_DEFINED
@@ skipping 421 matching lines @@
 #define GR_GL_TEXTURE24                      0x84D8
 #define GR_GL_TEXTURE25                      0x84D9
 #define GR_GL_TEXTURE26                      0x84DA
 #define GR_GL_TEXTURE27                      0x84DB
 #define GR_GL_TEXTURE28                      0x84DC
 #define GR_GL_TEXTURE29                      0x84DD
 #define GR_GL_TEXTURE30                      0x84DE
 #define GR_GL_TEXTURE31                      0x84DF
 #define GR_GL_ACTIVE_TEXTURE                 0x84E0
 #define GR_GL_MAX_TEXTURE_UNITS              0x84E2
+#define GR_GL_MAX_TEXTURE_COORDS             0x8871
 
 /* TextureWrapMode */
 #define GR_GL_REPEAT                         0x2901
 #define GR_GL_CLAMP_TO_EDGE                  0x812F
 #define GR_GL_MIRRORED_REPEAT                0x8370
 
 /* Texture Swizzle */
 #define GR_GL_TEXTURE_SWIZZLE_R              0x8E42
 #define GR_GL_TEXTURE_SWIZZLE_G              0x8E43
 #define GR_GL_TEXTURE_SWIZZLE_B              0x8E44
 #define GR_GL_TEXTURE_SWIZZLE_A              0x8E45
 #define GR_GL_TEXTURE_SWIZZLE_RGBA           0x8E46
 
 /* Texture mapping */
 #define GR_GL_TEXTURE_ENV                    0x2300
 #define GR_GL_TEXTURE_ENV_MODE               0x2200
 #define GR_GL_TEXTURE_1D                     0x0DE0
 /* GL_TEXTURE_2D */
 /* GL_TEXTURE_WRAP_S */
 /* GL_TEXTURE_WRAP_T */
 /* GL_TEXTURE_MAG_FILTER */
 /* GL_TEXTURE_MIN_FILTER */
 #define GR_GL_TEXTURE_ENV_COLOR             0x2201
 #define GR_GL_TEXTURE_GEN_S                 0x0C60
 #define GR_GL_TEXTURE_GEN_T                 0x0C61
+#define GR_GL_TEXTURE_GEN_R                 0x0C62
+#define GR_GL_TEXTURE_GEN_Q                 0x0C63
 #define GR_GL_TEXTURE_GEN_MODE              0x2500
 #define GR_GL_TEXTURE_BORDER_COLOR          0x1004
 #define GR_GL_TEXTURE_WIDTH                 0x1000
 #define GR_GL_TEXTURE_HEIGHT                0x1001
 #define GR_GL_TEXTURE_BORDER                0x1005
 #define GR_GL_TEXTURE_COMPONENTS            0x1003
 #define GR_GL_TEXTURE_RED_SIZE              0x805C
 #define GR_GL_TEXTURE_GREEN_SIZE            0x805D
 #define GR_GL_TEXTURE_BLUE_SIZE             0x805E
 #define GR_GL_TEXTURE_ALPHA_SIZE            0x805F
@@ skipping 396 matching lines @@
 #define GR_GL_ADJACENT_PAIRS                                0x90AE
 #define GR_GL_FIRST_TO_REST                                 0x90AF
 
 //path gen modes
 #define GR_GL_PATH_GEN_MODE                                 0x90B0
 #define GR_GL_PATH_GEN_COEFF                                0x90B1
 #define GR_GL_PATH_GEN_COLOR_FORMAT                         0x90B2
 #define GR_GL_PATH_GEN_COMPONENTS                           0x90B3
 
 #endif