gpu: Use a rectangle to keep track of the cleared area of each texture level.

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"
@@ skipping 461 matching lines @@
     if (info->target() != texture_target_) {
       DLOG(ERROR) << "Texture target mismatch for texture id "
                   << texture_ids[i];
       NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT);
       return;
     }
     if (texture_target_ == GL_TEXTURE_EXTERNAL_OES ||
         texture_target_ == GL_TEXTURE_RECTANGLE_ARB) {
       // These textures have their dimensions defined by the underlying storage.
       // Use |texture_dimensions_| for this size.
-      texture_manager->SetLevelInfo(texture_ref,
-                                    texture_target_,
-                                    0,
-                                    GL_RGBA,
-                                    texture_dimensions_.width(),
-                                    texture_dimensions_.height(),
-                                    1,
-                                    0,
-                                    GL_RGBA,
-                                    0,
-                                    false);
+      texture_manager->SetLevelInfo(
+          texture_ref, texture_target_, 0, GL_RGBA, texture_dimensions_.width(),
+          texture_dimensions_.height(), 1, 0, GL_RGBA, 0, gfx::Rect());
     } else {
       // For other targets, texture dimensions should already be defined.
       GLsizei width = 0, height = 0;
       info->GetLevelSize(texture_target_, 0, &width, &height, nullptr);
       if (width != texture_dimensions_.width() ||
           height != texture_dimensions_.height()) {
         DLOG(ERROR) << "Size mismatch for texture id " << texture_ids[i];
         NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT);
         return;
       }
 
       // TODO(dshwang): after moving to D3D11, remove this. crbug.com/438691
       GLenum format =
           video_decode_accelerator_.get()->GetSurfaceInternalFormat();
       if (format != GL_RGBA) {
         texture_manager->SetLevelInfo(texture_ref, texture_target_, 0, format,
-                                      width, height, 1, 0, format, 0, false);
+                                      width, height, 1, 0, format, 0,
+                                      gfx::Rect());
       }
     }
     buffers.push_back(media::PictureBuffer(buffer_ids[i], texture_dimensions_,
                                            texture_ref->service_id(),
                                            texture_ids[i]));
     textures.push_back(texture_ref);
   }
   video_decode_accelerator_->AssignPictureBuffers(buffers);
   DebugAutoLock auto_lock(debug_uncleared_textures_lock_);
   for (uint32 i = 0; i < buffer_ids.size(); ++i)
@@ skipping 93 matching lines @@
   return stub_->channel()->Send(message);
 }
 
 void GpuVideoDecodeAccelerator::SendCreateDecoderReply(IPC::Message* message,
                                                        bool succeeded) {
   GpuCommandBufferMsg_CreateVideoDecoder::WriteReplyParams(message, succeeded);
   Send(message);
 }
 
 }  // namespace content