command_buffer: Implement path rendering functions for CHROMIUM_path_rendering

ui/gl/gl_bindings.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_GL_GL_BINDINGS_H_
 #define UI_GL_GL_BINDINGS_H_
 
 #include <string>
 
 // Includes the platform independent and platform dependent GL headers.
@@ skipping 206 matching lines @@
 #endif
 
 #ifndef GL_IMG_multisampled_render_to_texture
 #define GL_RENDERBUFFER_SAMPLES_IMG                      0x9133
 #define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_IMG        0x9134
 #define GL_MAX_SAMPLES_IMG                               0x9135
 #define GL_TEXTURE_SAMPLES_IMG                           0x9136
 #endif
 
 #ifndef GL_CHROMIUM_path_rendering
+#define GL_CHROMIUM_path_rendering 1
 // These match the corresponding values in NV_path_rendering
 // extension, eg tokens with CHROMIUM replaced with NV.
 #define GL_PATH_MODELVIEW_MATRIX_CHROMIUM 0x0BA6
 #define GL_PATH_PROJECTION_MATRIX_CHROMIUM 0x0BA7
 #define GL_PATH_MODELVIEW_CHROMIUM 0x1700
 #define GL_PATH_PROJECTION_CHROMIUM 0x1701
+#define GL_FLAT_CHROMIUM 0x1D00
+#define GL_CLOSE_PATH_CHROMIUM 0x00
+#define GL_MOVE_TO_CHROMIUM 0x02
+#define GL_LINE_TO_CHROMIUM 0x04
+#define GL_QUADRATIC_CURVE_TO_CHROMIUM 0x0A
+#define GL_CUBIC_CURVE_TO_CHROMIUM 0x0C
+#define GL_CONIC_CURVE_TO_CHROMIUM 0x1A
+#define GL_PATH_STROKE_WIDTH_CHROMIUM 0x9075
+#define GL_PATH_END_CAPS_CHROMIUM 0x9076
+#define GL_PATH_JOIN_STYLE_CHROMIUM 0x9079
+#define GL_PATH_MITER_LIMIT_CHROMIUM 0x907a
+#define GL_PATH_STROKE_BOUND_CHROMIUM 0x9086
+#define GL_COUNT_UP_CHROMIUM 0x9088
+#define GL_COUNT_DOWN_CHROMIUM 0x9089
+#define GL_CONVEX_HULL_CHROMIUM 0x908B
+#define GL_BOUNDING_BOX_CHROMIUM 0x908D
+#define GL_SQUARE_CHROMIUM 0x90a3
+#define GL_ROUND_CHROMIUM 0x90a4
+#define GL_BEVEL_CHROMIUM 0x90a6
+#define GL_MITER_REVERT_CHROMIUM 0x90a7
+#define GL_PATH_STENCIL_FUNC_CHROMIUM 0x90B7
+#define GL_PATH_STENCIL_REF_CHROMIUM 0x90B8
+#define GL_PATH_STENCIL_VALUE_MASK_CHROMIUM 0x90B9
 #endif
 
 #ifndef GL_KHR_blend_equation_advanced
 #define GL_KHR_blend_equation_advanced 1
 #define GL_COLORBURN_KHR                  0x929A
 #define GL_COLORDODGE_KHR                 0x9299
 #define GL_DARKEN_KHR                     0x9297
 #define GL_DIFFERENCE_KHR                 0x929E
 #define GL_EXCLUSION_KHR                  0x92A0
 #define GL_HARDLIGHT_KHR                  0x929B
@@ skipping 192 matching lines @@
 #elif defined(OS_ANDROID)
 
 GL_EXPORT extern EGLApi* g_current_egl_context;
 GL_EXPORT extern DriverEGL g_driver_egl;
 
 #endif
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_BINDINGS_H_