(NotForReview) Enable YUV video overlay on Skylake ChromeOS.

gpu/command_buffer/service/feature_info.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 "gpu/command_buffer/service/feature_info.h"
 
 #include <stddef.h>
 
 #include <set>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "gpu/command_buffer/service/gpu_switches.h"
 #include "gpu/command_buffer/service/texture_definition.h"
 #include "gpu/config/gpu_switches.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_fence.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_switches.h"
 #include "ui/gl/gl_version_info.h"
 
+#if defined(OS_CHROMEOS)
+#include "ui/gl/gl_surface_egl.h"
+#endif
+
 #if !defined(OS_MACOSX)
 #include "ui/gl/gl_fence_egl.h"
 #endif
 
 namespace gpu {
 namespace gles2 {
 
 namespace {
 
 struct FormatInfo {
@@ skipping 897 matching lines @@
 
   if (gl_version_info_->is_es3 ||
       extensions.Contains("GL_OES_standard_derivatives") ||
       gl::HasDesktopGLFeatures()) {
     AddExtensionString("GL_OES_standard_derivatives");
     feature_flags_.oes_standard_derivatives = true;
     validators_.hint_target.AddValue(GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES);
     validators_.g_l_state.AddValue(GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES);
   }
 
+  if (extensions.Contains("GL_APPLE_ycbcr_422")) {
+    AddExtensionString("GL_CHROMIUM_ycbcr_422_image");
+    feature_flags_.chromium_image_ycbcr_422 = true;
+  }
+
   if (extensions.Contains("GL_OES_EGL_image_external")) {
     AddExtensionString("GL_OES_EGL_image_external");
     feature_flags_.oes_egl_image_external = true;
+#if defined(OS_CHROMEOS)
+    bool has_dma_buf_import =
+        gl::GLSurfaceEGL::HasEGLExtension("EGL_EXT_image_dma_buf_import");
+    if (has_dma_buf_import) {
+      AddExtensionString("GL_CHROMIUM_ycbcr_422_image");
+      feature_flags_.chromium_image_ycbcr_422 = true;
+    }
+#endif
   }
   if (extensions.Contains("GL_NV_EGL_stream_consumer_external")) {
     AddExtensionString("GL_NV_EGL_stream_consumer_external");
     feature_flags_.nv_egl_stream_consumer_external = true;
   }
 
   if (feature_flags_.oes_egl_image_external ||
       feature_flags_.nv_egl_stream_consumer_external) {
     validators_.texture_bind_target.AddValue(GL_TEXTURE_EXTERNAL_OES);
     validators_.get_tex_param_target.AddValue(GL_TEXTURE_EXTERNAL_OES);
@@ skipping 76 matching lines @@
 
 #if defined(OS_MACOSX)
   // TODO(dcastagna): Determine ycbcr_420v_image on CrOS at runtime
   // querying minigbm. crbug.com/646148
   if (gl::GetGLImplementation() != gl::kGLImplementationOSMesaGL) {
     AddExtensionString("GL_CHROMIUM_ycbcr_420v_image");
     feature_flags_.chromium_image_ycbcr_420v = true;
   }
 #endif
 
-  if (extensions.Contains("GL_APPLE_ycbcr_422")) {
-    AddExtensionString("GL_CHROMIUM_ycbcr_422_image");
-    feature_flags_.chromium_image_ycbcr_422 = true;
-  }
-
   // TODO(gman): Add support for these extensions.
   //     GL_OES_depth32
 
   if (extensions.Contains("GL_ANGLE_texture_usage")) {
     feature_flags_.angle_texture_usage = true;
     AddExtensionString("GL_ANGLE_texture_usage");
     validators_.texture_parameter.AddValue(GL_TEXTURE_USAGE_ANGLE);
   }
 
   bool have_occlusion_query =
@@ skipping 627 matching lines @@
   if (pos == std::string::npos) {
     extensions_ += (extensions_.empty() ? "" : " ") + str;
   }
 }
 
 FeatureInfo::~FeatureInfo() {
 }
 
 }  // namespace gles2
 }  // namespace gpu