Enable GLX/EGL backend switching while run HW video decode with libva.

content/common/gpu/media/gpu_video_decode_accelerator.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/gpu_video_decode_accelerator.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/stl_util.h"
 
 #include "content/common/gpu/gpu_channel.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/public/common/content_switches.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_message_utils.h"
 #include "media/base/limits.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_surface_egl.h"
 
 #if defined(OS_WIN)
 #include "base/win/windows_version.h"
 #include "content/common/gpu/media/dxva_video_decode_accelerator.h"
 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL) && defined(USE_X11)
 #include "content/common/gpu/media/exynos_video_decode_accelerator.h"
-#elif defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11)
+#elif defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11)
+#if defined(VIDEO_TEXTURE_GLX_BACKEND)
 #include "ui/gl/gl_context_glx.h"
+#endif
 #include "content/common/gpu/media/vaapi_video_decode_accelerator.h"
 #elif defined(OS_ANDROID)
 #include "content/common/gpu/media/android_video_decode_accelerator.h"
 #endif
 
 #include "ui/gfx/size.h"
 
 namespace content {
 
 static bool MakeDecoderContextCurrent(
@@ skipping 228 matching lines @@
   video_decode_accelerator_.reset(new DXVAVideoDecodeAccelerator(
       this, make_context_current_));
 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL) && defined(USE_X11)
   video_decode_accelerator_.reset(new ExynosVideoDecodeAccelerator(
       gfx::GLSurfaceEGL::GetHardwareDisplay(),
       stub_->decoder()->GetGLContext()->GetHandle(),
       this,
       weak_factory_for_io_.GetWeakPtr(),
       make_context_current_,
       io_message_loop_));
-#elif defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11)
+#elif defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11)
+    DLOG(INFO) << "Initializing VAAPI HW decoder.";
+#if defined(VIDEO_TEXTURE_GLX_BACKEND)
   gfx::GLContextGLX* glx_context =
       static_cast<gfx::GLContextGLX*>(stub_->decoder()->GetGLContext());
   GLXContext glx_context_handle =
       static_cast<GLXContext>(glx_context->GetHandle());
   video_decode_accelerator_.reset(new VaapiVideoDecodeAccelerator(
       glx_context->display(), glx_context_handle, this,
       make_context_current_));
+#elif defined(VIDEO_TEXTURE_EGL_BACKEND)
+    video_decode_accelerator_.reset(new VaapiVideoDecodeAccelerator(
+        gfx::GLSurfaceEGL::GetHardwareDisplay(),
+        stub_->decoder()->GetGLContext()->GetHandle(),
+        this,
+        make_context_current_));
+#endif
 #elif defined(OS_ANDROID)
   video_decode_accelerator_.reset(new AndroidVideoDecodeAccelerator(
       this,
       stub_->decoder()->AsWeakPtr(),
       make_context_current_));
 #else
   NOTIMPLEMENTED() << "HW video decode acceleration not available.";
   NotifyError(media::VideoDecodeAccelerator::PLATFORM_FAILURE);
   return;
 #endif
@@ skipping 193 matching lines @@
   scoped_refptr<gpu::gles2::TextureRef> texture_ref = it->second;
   GLenum target = texture_ref->texture()->target();
   gpu::gles2::TextureManager* texture_manager =
       stub_->decoder()->GetContextGroup()->texture_manager();
   DCHECK(!texture_ref->texture()->IsLevelCleared(target, 0));
   texture_manager->SetLevelCleared(texture_ref, target, 0, true);
   uncleared_textures_.erase(it);
 }
 
 }  // namespace content