130 lines
5.1 KiB
Java
130 lines
5.1 KiB
Java
/*
|
|
* 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 a {@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() {
|
|
StringBuffer buf =
|
|
new StringBuffer("ContextCapabilities: adapter=" +
|
|
adapterId+", caps=");
|
|
if (caps == CAPS_EMPTY) {
|
|
buf.append("CAPS_EMPTY");
|
|
} else {
|
|
if ((caps & CAPS_RT_PLAIN_ALPHA) != 0) {
|
|
buf.append("CAPS_RT_PLAIN_ALPHA|");
|
|
}
|
|
if ((caps & CAPS_RT_TEXTURE_ALPHA) != 0) {
|
|
buf.append("CAPS_RT_TEXTURE_ALPHA|");
|
|
}
|
|
if ((caps & CAPS_RT_TEXTURE_OPAQUE) != 0) {
|
|
buf.append("CAPS_RT_TEXTURE_OPAQUE|");
|
|
}
|
|
if ((caps & CAPS_MULTITEXTURE) != 0) {
|
|
buf.append("CAPS_MULTITEXTURE|");
|
|
}
|
|
if ((caps & CAPS_TEXNONPOW2) != 0) {
|
|
buf.append("CAPS_TEXNONPOW2|");
|
|
}
|
|
if ((caps & CAPS_TEXNONSQUARE) != 0) {
|
|
buf.append("CAPS_TEXNONSQUARE|");
|
|
}
|
|
if ((caps & CAPS_PS20) != 0) {
|
|
buf.append("CAPS_PS20|");
|
|
}
|
|
if ((caps & CAPS_PS30) != 0) {
|
|
buf.append("CAPS_PS30|");
|
|
}
|
|
}
|
|
return buf.toString();
|
|
}
|
|
}
|