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