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Unified Diff: ui/ozone/platform/drm/gpu/client_native_pixmap_vgem.h

Issue 1134993003: ozone: Implement zero/one-copy texture for Ozone GBM. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: update from reveman's comments Created 5 years, 4 months ago
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Index: ui/ozone/platform/drm/gpu/client_native_pixmap_vgem.h
diff --git a/ui/ozone/platform/drm/gpu/client_native_pixmap_vgem.h b/ui/ozone/platform/drm/gpu/client_native_pixmap_vgem.h
new file mode 100644
index 0000000000000000000000000000000000000000..6d5da01a6d0359c32409ced6328cbb954d0d0886
--- /dev/null
+++ b/ui/ozone/platform/drm/gpu/client_native_pixmap_vgem.h
@@ -0,0 +1,46 @@
+// Copyright 2015 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.
+
+#ifndef UI_OZONE_PLATFORM_DRM_GPU_CLIENT_NATIVE_PIXMAP_VGEM_H_
+#define UI_OZONE_PLATFORM_DRM_GPU_CLIENT_NATIVE_PIXMAP_VGEM_H_
+
+#include "base/file_descriptor_posix.h"
+#include "ui/gfx/geometry/size.h"
+#include "ui/gfx/native_pixmap_handle_ozone.h"
+#include "ui/ozone/public/client_native_pixmap.h"
+
+namespace ui {
+
+class ClientNativePixmapVgem : public ClientNativePixmap {
+ public:
+ static scoped_ptr<ClientNativePixmap> Create(
+ const gfx::NativePixmapHandle& handle,
spang 2015/08/12 21:40:03 Could you unpack "handle" at the same place owners
dshwang 2015/08/13 11:30:56 Done.
+ const base::FileDescriptor& vgem_handle,
spang 2015/08/12 21:40:03 I'd prefer int vgem_fd over const base::FileDe
dshwang 2015/08/13 11:30:56 Done.
+ const gfx::Size& size);
+
+ ~ClientNativePixmapVgem() override;
+
+ // Overridden from ClientNativePixmap.
+ bool Map(void** data) override;
+ void Unmap() override;
+ void GetStride(int* stride) const override;
+
+ private:
+ ClientNativePixmapVgem(const base::FileDescriptor& vgem_handle,
+ uint32_t vgem_bo_handle,
+ const gfx::Size& size,
+ int stride);
+
+ const base::FileDescriptor vgem_fd_;
spang 2015/08/12 21:40:03 Same here. Wrapping the fd inside base::FileDescri
dshwang 2015/08/13 11:30:56 Done.
+ const uint32_t vgem_bo_handle_;
+ const gfx::Size size_;
+ const int stride_;
+ void* data_;
+
+ DISALLOW_COPY_AND_ASSIGN(ClientNativePixmapVgem);
+};
+
+} // namespace ui
+
+#endif // UI_OZONE_PLATFORM_DRM_GPU_CLIENT_NATIVE_PIXMAP_VGEM_H_

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