command_buffer: Implement path rendering functions for CHROMIUM_path_rendering

gpu/command_buffer/build_gles2_cmd_buffer.py

Index: gpu/command_buffer/build_gles2_cmd_buffer.py
diff --git a/gpu/command_buffer/build_gles2_cmd_buffer.py b/gpu/command_buffer/build_gles2_cmd_buffer.py
index 0015c553b67981a7f9a7ae7b6cb718f8096a54e1..ea882e127eae717076eecaa2b9bc5fc2b833e88c 100755
--- a/gpu/command_buffer/build_gles2_cmd_buffer.py
+++ b/gpu/command_buffer/build_gles2_cmd_buffer.py
@@ -509,6 +509,31 @@ _STATES = {
       },
     ],
   },
+  'PathStencilFuncCHROMIUM': {
+    'type': 'Normal',
+    'func': 'PathStencilFuncNV',
+    'extension_flag': 'chromium_path_rendering',
+    'states': [
+      {
+        'name': 'stencil_path_func',
+        'type': 'GLenum',
+        'enum': 'GL_PATH_STENCIL_FUNC_CHROMIUM',
+        'default': 'GL_ALWAYS',
+       },
+      {
+        'name': 'stencil_path_ref',
+        'type': 'GLint',
+        'enum': 'GL_PATH_STENCIL_REF_CHROMIUM',
+        'default': '0',
+       },
+      {
+        'name': 'stencil_path_mask',
+        'type': 'GLuint',
+        'enum': 'GL_PATH_STENCIL_VALUE_MASK_CHROMIUM',
+        'default': '0xFFFFFFFFU',
+      },
+    ],
+  },
 }
 
 # This is a list of enum names and their valid values. It is used to map
@@ -1065,6 +1090,69 @@ _ENUM_LISTS = {
       'GL_INT',
     ],
   },
+  'PathCoordType': {
+    'type': 'GLenum',
+    'valid': [
+      'GL_FLOAT',
+    ],
+  },
+  'PathCoverMode': {
+  'type': 'GLenum',
+    'valid': [
+      'GL_BOUNDING_BOX_CHROMIUM',
+    ],
+  },
+  'PathCoverModeInstanced': {
+    'type': 'GLenum',
+    'valid': [
+      'GL_BOUNDING_BOX_OF_BOUNDING_BOXES_CHROMIUM',
+    ],
+  },
+  'PathFillMode': {
+    'type': 'GLenum',
+    'valid': [
+      'GL_INVERT',
+      'GL_COUNT_UP_CHROMIUM',
+      'GL_COUNT_DOWN_CHROMIUM',
+    ],
+  },
+  'PathGenMode': {
+    'type': 'GLenum',
+    'valid': [
+      'GL_OBJECT_LINEAR_CHROMIUM',
+      'GL_EYE_LINEAR_CHROMIUM',
+    ],
+  },
+  'PathNameType': {
+    'type': 'GLenum',
+    'valid': [
+      'GL_UNSIGNED_INT'
+    ],
+  },
+  'PathParameter': {
+    'type': 'GLenum',
+    'valid': [
+      'GL_PATH_STROKE_WIDTH_CHROMIUM',
+      'GL_PATH_INITIAL_END_CAP_CHROMIUM',
+      'GL_PATH_TERMINAL_END_CAP_CHROMIUM',
+      'GL_PATH_JOIN_STYLE_CHROMIUM',
+      'GL_PATH_MITER_LIMIT_CHROMIUM',
+    ]
+  },
+  'PathTransformType': {
+    'type': 'GLenum',
+    'valid': [
+      'GL_NONE',
+      'GL_TRANSLATE_X_CHROMIUM',
+      'GL_TRANSLATE_Y_CHROMIUM',
+      'GL_TRANSLATE_2D_CHROMIUM',
+      'GL_TRANSLATE_3D_CHROMIUM',
+      'GL_AFFINE_2D_CHROMIUM',
+      'GL_AFFINE_3D_CHROMIUM',
+      'GL_TRANSPOSE_AFFINE_2D_CHROMIUM',
+      'GL_TRANSPOSE_AFFINE_3D_CHROMIUM',
+    ],
+  },
   'ReadPixelType': {
     'type': 'GLenum',
     'valid': [
@@ -2599,6 +2687,92 @@ _FUNCTION_INFO = {
     'chromium': True,
     'extension': True,
   },
+  'GenPathsCHROMIUM': {
+    'type': 'Custom',
+    'cmd_args':
+      'GLsizei range, GLuint* client_ids',
+    'immediate': False, # FIXME: cannot create immediate command

[piman, 2014/04/24 22:26:36]

nit: in chromium code, we use TODO rather than FIXME.

+                        # because it will use original args instead of
+                        # cmd_args
+    'unit_test': False, # FIXME: see above
+    'chromium': True,
+    'extension': True,
+  },
+  'DeletePathsCHROMIUM': {
+    'decoder_func': 'DeletePathsCHROMIUMHelper',
+    'unit_test': False, # FIXME: see above
+    'chromium': True,
+    'extension': True,
+  },
+  'PathCommandsCHROMIUM': {
+    'type': 'Manual',
+    'immediate': False,
+    'chromium': True,
+    'extension': True,
+  },
+  'PathParameterfCHROMIUM': {
+    'type': 'Custom',
+    'chromium': True,
+    'extension': True,
+  },
+  'PathParameteriCHROMIUM': {
+    'type': 'Custom',
+    'chromium': True,
+    'extension': True,
+  },
+  'PathStencilFuncCHROMIUM': {
+    'type': 'StateSet',
+    'state': 'PathStencilFuncCHROMIUM',
+    'decoder_func': 'glPathStencilFuncNV',
+    'chromium': True,
+    'extension': True,
+  },
+  'StencilFillPathCHROMIUM': {
+    'type': 'Custom',
+    'chromium': True,
+    'extension': True,
+  },
+  'StencilFillPathInstancedCHROMIUM': {
+    'type': 'Custom',
+    'chromium': True,
+    'extension': True,
+  },
+  'StencilStrokePathCHROMIUM': {
+    'type': 'Custom',
+    'chromium': True,
+    'extension': True,
+  },
+  'StencilStrokePathInstancedCHROMIUM': {
+    'type': 'Custom',
+    'chromium': True,
+    'extension': True,
+  },
+  'PathTexGenCHROMIUM': {
+    'type': 'Manual',
+    'immediate': False,
+    'chromium': True,
+    'extension': True,
+  },
+  'CoverFillPathCHROMIUM': {
+    'type': 'Custom',
+    'chromium': True,
+    'extension': True,
+  },
+  'CoverFillPathInstancedCHROMIUM': {
+    'type': 'Custom',
+    'chromium': True,
+    'extension': True,
+  },
+  'CoverStrokePathCHROMIUM': {
+    'type': 'Custom',
+    'chromium': True,
+    'extension': True,
+  },
+  'CoverStrokePathInstancedCHROMIUM': {
+    'type': 'Custom',
+    'chromium': True,
+    'extension': True,
+  },
 }
 
 def Grouper(n, iterable, fillvalue=None):