cc: Adding support for RGBA_4444 tile textures

gpu/command_buffer/service/async_pixel_transfer_manager_egl.cc

 // Copyright 2013 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/async_pixel_transfer_manager_egl.h"
 
 #include <list>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 152 matching lines @@
 
   bool TransferIsInProgress() {
     return !transfer_completion_.IsSignaled();
   }
 
   void BindTransfer() {
     TRACE_EVENT2("gpu", "BindAsyncTransfer glEGLImageTargetTexture2DOES",
                  "width", define_params_.width,
                  "height", define_params_.height);
     DCHECK(texture_id_);
-    DCHECK_NE(EGL_NO_IMAGE_KHR, egl_image_);
+    if (EGL_NO_IMAGE_KHR == egl_image_)
+      return;
 
     glBindTexture(GL_TEXTURE_2D, texture_id_);
     glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, egl_image_);
     bind_callback_.Run();
 
     DCHECK(CHECK_GL());
   }
 
   void CreateEglImage(GLuint texture_id) {
     TRACE_EVENT0("gpu", "eglCreateImageKHR");
@@ skipping 12 matching lines @@
         EGL_IMAGE_PRESERVED_KHR, image_preserved,
         EGL_NONE
     };
     egl_image_ = eglCreateImageKHR(
         egl_display,
         egl_context,
         egl_target,
         egl_buffer,
         egl_attrib_list);
 
-    DCHECK_NE(EGL_NO_IMAGE_KHR, egl_image_);
+    DLOG_IF(ERROR, EGL_NO_IMAGE_KHR == egl_image_)
+        << "eglCreateImageKHR failed";
   }
 
   void CreateEglImageOnUploadThread() {
     CreateEglImage(thread_texture_id_);
   }
 
   void CreateEglImageOnMainThreadIfNeeded() {
     if (egl_image_ == EGL_NO_IMAGE_KHR) {
       CreateEglImage(texture_id_);
       if (wait_for_creation_) {
@@ skipping 35 matching lines @@
       ScopedSafeSharedMemory* safe_shared_memory,
       scoped_refptr<AsyncPixelTransferUploadStats> texture_upload_stats) {
     TRACE_EVENT2("gpu",
                  "PerformAsyncTexImage",
                  "width",
                  tex_params.width,
                  "height",
                  tex_params.height);
     DCHECK(!thread_texture_id_);
     DCHECK_EQ(0, tex_params.level);
-    DCHECK_EQ(EGL_NO_IMAGE_KHR, egl_image_);
+    if (EGL_NO_IMAGE_KHR == egl_image_) {
+      MarkAsCompleted();
+      return;
+    }
 
     void* data =
         AsyncPixelTransferDelegate::GetAddress(safe_shared_memory, mem_params);
 
     base::TimeTicks begin_time;
     if (texture_upload_stats.get())
       begin_time = base::TimeTicks::HighResNow();
 
     {
       TRACE_EVENT0("gpu", "glTexImage2D no data");
@@ skipping 487 matching lines @@
 
 AsyncPixelTransferDelegate*
 AsyncPixelTransferManagerEGL::CreatePixelTransferDelegateImpl(
     gles2::TextureRef* ref,
     const AsyncTexImage2DParams& define_params) {
   return new AsyncPixelTransferDelegateEGL(
       &shared_state_, ref->service_id(), define_params);
 }
 
 }  // namespace gpu