Add makeContextCurrent() to all gl functions.

chrome/renderer/webgraphicscontext3d_command_buffer_impl.cc

 // Copyright (c) 2010 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.
 
 #if defined(ENABLE_GPU)
 
 #include "chrome/renderer/webgraphicscontext3d_command_buffer_impl.h"
 
 #include <GLES2/gl2.h>
 
@@ skipping 374 matching lines @@
 
 DELEGATE_TO_GL_5(framebufferTexture2D, FramebufferTexture2D,
                  unsigned long, unsigned long, unsigned long, WebGLId, long)
 
 DELEGATE_TO_GL_1(frontFace, FrontFace, unsigned long)
 
 DELEGATE_TO_GL_1(generateMipmap, GenerateMipmap, unsigned long)
 
 bool WebGraphicsContext3DCommandBufferImpl::getActiveAttrib(
     WebGLId program, unsigned long index, ActiveInfo& info) {
+  makeContextCurrent();
   if (!program) {
     synthesizeGLError(GL_INVALID_VALUE);
     return false;
   }
   GLint max_name_length = -1;
   glGetProgramiv(program, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &max_name_length);
   if (max_name_length < 0)
     return false;
   scoped_array<GLchar> name(new GLchar[max_name_length]);
   if (!name.get()) {
     synthesizeGLError(GL_OUT_OF_MEMORY);
     return false;
   }
   GLsizei length = 0;
   GLint size = -1;
   GLenum type = 0;
   glGetActiveAttrib(program, index, max_name_length,
                     &length, &size, &type, name.get());
   if (size < 0) {
     return false;
   }
   info.name = WebKit::WebString::fromUTF8(name.get(), length);
   info.type = type;
   info.size = size;
   return true;
 }
 
 bool WebGraphicsContext3DCommandBufferImpl::getActiveUniform(
     WebGLId program, unsigned long index, ActiveInfo& info) {
+  makeContextCurrent();
   GLint max_name_length = -1;
   glGetProgramiv(program, GL_ACTIVE_UNIFORM_MAX_LENGTH, &max_name_length);
   if (max_name_length < 0)
     return false;
   scoped_array<GLchar> name(new GLchar[max_name_length]);
   if (!name.get()) {
     synthesizeGLError(GL_OUT_OF_MEMORY);
     return false;
   }
   GLsizei length = 0;
@@ skipping 360 matching lines @@
   glDeleteShader(shader);
 }
 
 void WebGraphicsContext3DCommandBufferImpl::deleteTexture(unsigned texture) {
   makeContextCurrent();
   glDeleteTextures(1, &texture);
 }
 
 #endif  // defined(ENABLE_GPU)