138 lines
4.6 KiB
Java
138 lines
4.6 KiB
Java
/*
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* Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.java2d.pipe.hw;
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import java.awt.Rectangle;
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import sun.java2d.Surface;
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import java.lang.annotation.Native;
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/**
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* Abstraction for a hardware accelerated surface.
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*/
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public interface AccelSurface extends BufferedContextProvider, Surface {
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/**
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* Undefined
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*/
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@Native public static final int UNDEFINED = 0;
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/**
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* Window (or window substitute) surface
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*/
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@Native public static final int WINDOW = 1;
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/**
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* Render-To Plain surface (Render Target surface for Direct3D)
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*/
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@Native public static final int RT_PLAIN = 2;
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/**
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* Texture surface
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*/
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@Native public static final int TEXTURE = 3;
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/**
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* A back-buffer surface (SwapChain surface for Direct3D, backbuffer for
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* OpenGL)
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*/
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@Native public static final int FLIP_BACKBUFFER = 4;
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/**
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* Render-To Texture surface (fbobject for OpenGL, texture with render-to
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* attribute for Direct3D)
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*/
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@Native public static final int RT_TEXTURE = 5;
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/**
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* Returns {@code int} representing surface's type as defined by constants
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* in this interface.
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*
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* @return an integer representing this surface's type
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* @see AccelSurface#UNDEFINED
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* @see AccelSurface#WINDOW
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* @see AccelSurface#RT_PLAIN
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* @see AccelSurface#TEXTURE
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* @see AccelSurface#FLIP_BACKBUFFER
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* @see AccelSurface#RT_TEXTURE
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*/
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public int getType();
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/**
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* Returns a pointer to the native surface data associated with this
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* surface.
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* Note: this pointer is only valid on the rendering thread.
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*
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* @return pointer to the native surface's data
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*/
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public long getNativeOps();
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/**
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* Returns a pointer to the real native resource
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* of the specified type associated with this AccelSurface.
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* Note: this pointer is only valid on the rendering thread.
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*
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* @param resType the type of the requested resource
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* @return a long containing a pointer to the native resource of the
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* specified type or 0L if such resource doesn't exist for this surface
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*/
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public long getNativeResource(int resType);
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/**
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* Marks this surface dirty.
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*/
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public void markDirty();
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/**
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* Returns whether the pipeline considers this surface valid. A surface
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* may become invalid if it is disposed of, or resized.
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*
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* @return true if valid, false otherwise
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*/
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public boolean isValid();
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/**
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* Returns whether this surface is lost. The return value is only valid
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* on the render thread, meaning that even if this method returns
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* {@code true} it could be lost in the next moment unless it is called
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* on the rendering thread.
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*
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* @return true if the surface is known to be lost, false otherwise
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*/
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public boolean isSurfaceLost();
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/**
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* Returns the requested bounds of the destination surface. The real bounds
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* of the native accelerated surface may differ. Use
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* {@link #getNativeBounds} to get the bounds of the native surface.
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*
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* @return Rectangle representing java surface's bounds
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*/
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public Rectangle getBounds();
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/**
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* Returns real bounds of the native surface, which may differ from those
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* returned by {@link #getBounds}.
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*
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* @return Rectangle representing native surface's bounds
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*/
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public Rectangle getNativeBounds();
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}
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