Hacks to make HW decode work on linux via libva.

content/common/gpu/media/rendering_helper_gl.cc

 // 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.
 
 #include "content/common/gpu/media/rendering_helper.h"
 
 #include <map>
 
 #if defined(OS_WIN) || defined(ARCH_CPU_ARMEL)
 #include "third_party/angle/include/EGL/egl.h"  // Must precede ui/gl headers!
@@ skipping 175 matching lines @@
 #if GL_VARIANT_GLX
   x_display_ = base::MessagePumpForUI::GetDefaultXDisplay();
   CHECK(x_display_);
   gfx::InitializeGLBindings(gfx::kGLImplementationDesktopGL);
   CHECK(glXQueryVersion(x_display_, NULL, NULL));
   const int fbconfig_attr[] = {
     GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
     GLX_RENDER_TYPE, GLX_RGBA_BIT,
     GLX_BIND_TO_TEXTURE_TARGETS_EXT, GLX_TEXTURE_2D_BIT_EXT,
     GLX_BIND_TO_TEXTURE_RGB_EXT, GL_TRUE,
-    GLX_Y_INVERTED_EXT, GL_FALSE,
-    GLX_RED_SIZE, 1,
-    GLX_GREEN_SIZE, 1,
-    GLX_BLUE_SIZE, 1,
-    GLX_ALPHA_SIZE, 1,
     GLX_DOUBLEBUFFER, True,
     GL_NONE,
   };
   int num_fbconfigs;
   scoped_ptr_malloc<GLXFBConfig, ScopedPtrXFree> glx_fb_configs(
       glXChooseFBConfig(x_display_, DefaultScreen(x_display_), fbconfig_attr,
                         &num_fbconfigs));
   CHECK(glx_fb_configs.get());
   CHECK_GT(num_fbconfigs, 0);
   x_visual_ = glXGetVisualFromFBConfig(x_display_, glx_fb_configs.get()[0]);
@@ skipping 232 matching lines @@
     CHECK(XUnmapWindow(x_display_, x_windows_[i]));
     CHECK(XDestroyWindow(x_display_, x_windows_[i]));
   }
   // Mimic newly created object.
   x_display_ = NULL;
   x_windows_.clear();
 #endif
 }
 
 }  // namespace video_test_util