Support GL_OES_EGL_image_external

gpu/command_buffer/service/program_manager.h

 // Copyright (c) 2011 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 GPU_COMMAND_BUFFER_SERVICE_PROGRAM_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_PROGRAM_MANAGER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 21 matching lines @@
    public:
     typedef scoped_refptr<ProgramInfo> Ref;
 
     static const int kMaxAttachedShaders = 2;
 
     struct UniformInfo {
       UniformInfo(GLsizei _size, GLenum _type, const std::string& _name);
       ~UniformInfo();
 
       bool IsSampler() const {
-        return type == GL_SAMPLER_2D || type == GL_SAMPLER_CUBE;
+        return type == GL_SAMPLER_2D || type == GL_SAMPLER_CUBE ||
+               type == GL_SAMPLER_EXTERNAL_OES;
       }
 
       GLsizei size;
       GLenum type;
       bool is_array;
       std::string name;
       std::vector<GLint> element_locations;
       std::vector<GLuint> texture_units;
     };
     struct VertexAttribInfo {
@@ skipping 232 matching lines @@
   void RemoveProgramInfoIfUnused(
       ShaderManager* shader_manager, ProgramInfo* info);
 
   DISALLOW_COPY_AND_ASSIGN(ProgramManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_PROGRAM_MANAGER_H_