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70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef UI_GL_GL_IMAGE_H_
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#define UI_GL_GL_IMAGE_H_
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#include "base/memory/ref_counted.h"
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#include "ui/gfx/geometry/rect.h"
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#include "ui/gfx/geometry/rect_f.h"
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#include "ui/gfx/geometry/size.h"
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#include "ui/gfx/native_widget_types.h"
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#include "ui/gfx/overlay_transform.h"
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#include "ui/gl/gl_export.h"
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namespace gfx {
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// Encapsulates an image that can be bound to a texture, hiding platform
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// specific management.
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class GL_EXPORT GLImage : public base::RefCounted<GLImage> {
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public:
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GLImage() {}
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// Destroys the image.
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virtual void Destroy(bool have_context) = 0;
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// Get the size of the image.
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virtual gfx::Size GetSize() = 0;
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// Bind image to texture currently bound to |target|.
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virtual bool BindTexImage(unsigned target) = 0;
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// Release image from texture currently bound to |target|.
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virtual void ReleaseTexImage(unsigned target) = 0;
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// Copy image to texture currently bound to |target|.
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virtual bool CopyTexImage(unsigned target) = 0;
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// Called before the texture is used for drawing.
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virtual void WillUseTexImage() = 0;
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// Called after the texture has been used for drawing.
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virtual void DidUseTexImage() = 0;
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// Called before the texture image data will be modified.
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virtual void WillModifyTexImage() = 0;
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// Called after the texture image data has been modified.
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virtual void DidModifyTexImage() = 0;
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// Schedule image as an overlay plane to be shown at swap time for |widget|.
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virtual bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
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int z_order,
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OverlayTransform transform,
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const Rect& bounds_rect,
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const RectF& crop_rect) = 0;
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protected:
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virtual ~GLImage() {}
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private:
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friend class base::RefCounted<GLImage>;
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DISALLOW_COPY_AND_ASSIGN(GLImage);
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};
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} // namespace gfx
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#endif // UI_GL_GL_IMAGE_H_
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