| /* |
| * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.java2d.pipe.hw; |
| |
| |
| /** |
| * Represents a set of capabilities of a BufferedContext and associated |
| * AccelGraphicsConfig. |
| * |
| * @see AccelGraphicsConfig |
| */ |
| public class ContextCapabilities { |
| /** Indicates that the context has no capabilities. */ |
| public static final int CAPS_EMPTY = (0 << 0); |
| /** Indicates that the context supports RT surfaces with alpha channel. */ |
| public static final int CAPS_RT_PLAIN_ALPHA = (1 << 1); |
| /** Indicates that the context supports RT textures with alpha channel. */ |
| public static final int CAPS_RT_TEXTURE_ALPHA = (1 << 2); |
| /** Indicates that the context supports opaque RT textures. */ |
| public static final int CAPS_RT_TEXTURE_OPAQUE = (1 << 3); |
| /** Indicates that the context supports multitexturing. */ |
| public static final int CAPS_MULTITEXTURE = (1 << 4); |
| /** Indicates that the context supports non-pow2 texture dimensions. */ |
| public static final int CAPS_TEXNONPOW2 = (1 << 5); |
| /** Indicates that the context supports non-square textures. */ |
| public static final int CAPS_TEXNONSQUARE = (1 << 6); |
| /** Indicates that the context supports pixel shader 2.0 or better. */ |
| public static final int CAPS_PS20 = (1 << 7); |
| /** Indicates that the context supports pixel shader 3.0 or better. */ |
| public static final int CAPS_PS30 = (1 << 8); |
| /* |
| * Pipeline contexts should use this for defining pipeline-specific |
| * capabilities, for example: |
| * int CAPS_D3D_1 = (FIRST_PRIVATE_CAP << 0); |
| * int CAPS_D3D_2 = (FIRST_PRIVATE_CAP << 1); |
| */ |
| protected static final int FIRST_PRIVATE_CAP = (1 << 16); |
| |
| protected final int caps; |
| protected final String adapterId; |
| |
| /** |
| * Constructs a {@code ContextCapabilities} object. |
| * @param caps an {@code int} representing the capabilities |
| * @param adapterId {@code String} representing the name of the adapter, or null, |
| * in which case the adapterId will be set to "unknown adapter". |
| */ |
| protected ContextCapabilities(int caps, String adapterId) { |
| this.caps = caps; |
| this.adapterId = adapterId != null ? adapterId : "unknown adapter"; |
| } |
| |
| /** |
| * Returns a string representing the name of the graphics adapter if such |
| * could be determined. It is guaranteed to never return {@code null}. |
| * @return string representing adapter id |
| */ |
| public String getAdapterId() { |
| return adapterId; |
| } |
| |
| /** |
| * Returns an {@code int} with capabilities (OR-ed constants defined in |
| * this class and its pipeline-specific subclasses). |
| * @return capabilities as {@code int} |
| */ |
| public int getCaps() { |
| return caps; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = |
| new StringBuilder("ContextCapabilities: adapter=" + |
| adapterId+", caps="); |
| if (caps == CAPS_EMPTY) { |
| sb.append("CAPS_EMPTY"); |
| } else { |
| if ((caps & CAPS_RT_PLAIN_ALPHA) != 0) { |
| sb.append("CAPS_RT_PLAIN_ALPHA|"); |
| } |
| if ((caps & CAPS_RT_TEXTURE_ALPHA) != 0) { |
| sb.append("CAPS_RT_TEXTURE_ALPHA|"); |
| } |
| if ((caps & CAPS_RT_TEXTURE_OPAQUE) != 0) { |
| sb.append("CAPS_RT_TEXTURE_OPAQUE|"); |
| } |
| if ((caps & CAPS_MULTITEXTURE) != 0) { |
| sb.append("CAPS_MULTITEXTURE|"); |
| } |
| if ((caps & CAPS_TEXNONPOW2) != 0) { |
| sb.append("CAPS_TEXNONPOW2|"); |
| } |
| if ((caps & CAPS_TEXNONSQUARE) != 0) { |
| sb.append("CAPS_TEXNONSQUARE|"); |
| } |
| if ((caps & CAPS_PS20) != 0) { |
| sb.append("CAPS_PS20|"); |
| } |
| if ((caps & CAPS_PS30) != 0) { |
| sb.append("CAPS_PS30|"); |
| } |
| } |
| return sb.toString(); |
| } |
| } |