command_buffer: Implement path rendering functions for CHROMIUM_path_rendering

gpu/command_buffer/service/gles2_cmd_decoder_autogen.h

 // Copyright 2014 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.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 4928 matching lines @@
   GLenum matrixMode = static_cast<GLenum>(c.matrixMode);
   if (!validators_->matrix_mode.IsValid(matrixMode)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glMatrixLoadIdentityCHROMIUM", matrixMode,
                                     "matrixMode");
     return error::kNoError;
   }
   DoMatrixLoadIdentityCHROMIUM(matrixMode);
   return error::kNoError;
 }
 
+error::Error GLES2DecoderImpl::HandleIsPathCHROMIUM(
+    uint32_t immediate_data_size,
+    const void* cmd_data) {
+  const gles2::cmds::IsPathCHROMIUM& c =
+      *static_cast<const gles2::cmds::IsPathCHROMIUM*>(cmd_data);
+  (void)c;
+  if (!features().chromium_path_rendering) {
+    LOCAL_SET_GL_ERROR(GL_INVALID_OPERATION, "glIsPathCHROMIUM",
+                       "function not available");
+    return error::kNoError;
+  }
+
+  GLuint path = c.path;
+  typedef cmds::IsPathCHROMIUM::Result Result;
+  Result* result_dst = GetSharedMemoryAs<Result*>(
+      c.result_shm_id, c.result_shm_offset, sizeof(*result_dst));
+  if (!result_dst) {
+    return error::kOutOfBounds;
+  }
+  *result_dst = DoIsPathCHROMIUM(path);
+  return error::kNoError;
+}
+
+error::Error GLES2DecoderImpl::HandlePathStencilFuncCHROMIUM(
+    uint32_t immediate_data_size,
+    const void* cmd_data) {
+  const gles2::cmds::PathStencilFuncCHROMIUM& c =
+      *static_cast<const gles2::cmds::PathStencilFuncCHROMIUM*>(cmd_data);
+  (void)c;
+  if (!features().chromium_path_rendering) {
+    LOCAL_SET_GL_ERROR(GL_INVALID_OPERATION, "glPathStencilFuncCHROMIUM",
+                       "function not available");
+    return error::kNoError;
+  }
+
+  GLenum func = static_cast<GLenum>(c.func);
+  GLint ref = static_cast<GLint>(c.ref);
+  GLuint mask = static_cast<GLuint>(c.mask);
+  if (!validators_->cmp_function.IsValid(func)) {
+    LOCAL_SET_GL_ERROR_INVALID_ENUM("glPathStencilFuncCHROMIUM", func, "func");
+    return error::kNoError;
+  }
+  if (state_.stencil_path_func != func || state_.stencil_path_ref != ref ||
+      state_.stencil_path_mask != mask) {
+    state_.stencil_path_func = func;
+    state_.stencil_path_ref = ref;
+    state_.stencil_path_mask = mask;
+    glPathStencilFuncNV(func, ref, mask);
+  }
+  return error::kNoError;
+}
+
 error::Error GLES2DecoderImpl::HandleBlendBarrierKHR(
     uint32_t immediate_data_size,
     const void* cmd_data) {
   const gles2::cmds::BlendBarrierKHR& c =
       *static_cast<const gles2::cmds::BlendBarrierKHR*>(cmd_data);
   (void)c;
   if (!features().blend_equation_advanced) {
     LOCAL_SET_GL_ERROR(GL_INVALID_OPERATION, "glBlendBarrierKHR",
                        "function not available");
     return error::kNoError;
@@ skipping 90 matching lines @@
         state_.enable_flags.cached_primitive_restart_fixed_index = enabled;
         return true;
       }
       return false;
     default:
       NOTREACHED();
       return false;
   }
 }
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_AUTOGEN_H_