gpu: Remove Create/DeleteImage IPC by adding an X11_PIXMAP_BUFFER GpuMemoryBuffer type.

content/common/gpu/gpu_memory_buffer_factory_x11_pixmap.cc

+// Copyright 2014 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/gpu_memory_buffer_factory_x11_pixmap.h"
+
+#include "ui/gl/gl_image_glx.h"
+
+namespace content {
+
+GpuMemoryBufferFactoryX11Pixmap::GpuMemoryBufferFactoryX11Pixmap() {
+}
+
+GpuMemoryBufferFactoryX11Pixmap::~GpuMemoryBufferFactoryX11Pixmap() {
+}
+
+void GpuMemoryBufferFactoryX11Pixmap::CreateGpuMemoryBuffer(
+    const gfx::GpuMemoryBufferId& id,
+    XID pixmap) {
+  X11PixmapMapKey key(id.primary_id, id.secondary_id);
+  DCHECK(pixmaps_.find(key) == pixmaps_.end());
+  pixmaps_[key] = pixmap;
+}
+
+void GpuMemoryBufferFactoryX11Pixmap::DestroyGpuMemoryBuffer(
+    const gfx::GpuMemoryBufferId& id) {
+  X11PixmapMapKey key(id.primary_id, id.secondary_id);
+  X11PixmapMap::iterator it = pixmaps_.find(key);
+  if (it != pixmaps_.end())
+    pixmaps_.erase(it);
+}
+
+scoped_refptr<gfx::GLImage>
+GpuMemoryBufferFactoryX11Pixmap::AcquireImageForGpuMemoryBuffer(
+    const gfx::GpuMemoryBufferId& id,
+    const gfx::Size& size,
+    unsigned internalformat) {
+  X11PixmapMapKey key(id.primary_id, id.secondary_id);
+  X11PixmapMap::iterator it = pixmaps_.find(key);
+  if (it == pixmaps_.end())
+    return scoped_refptr<gfx::GLImage>();
+  XID pixmap = it->second;
+  pixmaps_.erase(it);
+
+  scoped_refptr<gfx::GLImageGLX> image(
+      new gfx::GLImageGLX(size, internalformat));
+  if (!image->Initialize(pixmap))
+    return scoped_refptr<gfx::GLImage>();
+
+  return image;
+}
+
+}  // namespace content