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Headless graphics driver for JavaFX
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/*
* Copyright (c) 2014, 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 com.sun.glass.ui.monocle;
import java.lang.reflect.Field;
import java.util.Formatter;
/** Java wrapper for the EGL API */
public class EGL {
private static long eglWindowSurface = 0l;
public static final long EGL_DEFAULT_DISPLAY = 0l;
public static final long EGL_NO_CONTEXT = 0l;
public static final long EGL_NO_DISPLAY = 0l;
public static final long EGL_NO_SURFACE = 0l;
public static final int EGL_DONT_CARE = -1;
public static final int EGL_SUCCESS = 0x3000;
public static final int EGL_NOT_INITIALIZED = 0x3001;
public static final int EGL_BAD_ACCESS = 0x3002;
public static final int EGL_BAD_ALLOC = 0x3003;
public static final int EGL_BAD_ATTRIBUTE = 0x3004;
public static final int EGL_BAD_CONFIG = 0x3005;
public static final int EGL_BAD_CONTEXT = 0x3006;
public static final int EGL_BAD_CURRENT_SURFACE = 0x3007;
public static final int EGL_BAD_DISPLAY = 0x3008;
public static final int EGL_BAD_MATCH = 0x3009;
public static final int EGL_BAD_NATIVE_PIXMAP = 0x300A;
public static final int EGL_BAD_NATIVE_WINDOW = 0x300B;
public static final int EGL_BAD_PARAMETER = 0x300C;
public static final int EGL_BAD_SURFACE = 0x300D;
public static final int EGL_CONTEXT_LOST = 0x300E;
public static final int EGL_BUFFER_SIZE = 0x3020;
public static final int EGL_ALPHA_SIZE = 0x3021;
public static final int EGL_BLUE_SIZE = 0x3022;
public static final int EGL_GREEN_SIZE = 0x3023;
public static final int EGL_RED_SIZE = 0x3024;
public static final int EGL_DEPTH_SIZE = 0x3025;
public static final int EGL_STENCIL_SIZE = 0x3026;
public static final int EGL_CONFIG_CAVEAT = 0x3027;
public static final int EGL_CONFIG_ID = 0x3028;
public static final int EGL_LEVEL = 0x3029;
public static final int EGL_MAX_PBUFFER_HEIGHT = 0x302A;
public static final int EGL_MAX_PBUFFER_PIXELS = 0x302B;
public static final int EGL_MAX_PBUFFER_WIDTH = 0x302C;
public static final int EGL_NATIVE_RENDERABLE = 0x302D;
public static final int EGL_NATIVE_VISUAL_ID = 0x302E;
public static final int EGL_NATIVE_VISUAL_TYPE = 0x302F;
public static final int EGL_SAMPLES = 0x3031;
public static final int EGL_SAMPLE_BUFFERS = 0x3032;
public static final int EGL_SURFACE_TYPE = 0x3033;
public static final int EGL_TRANSPARENT_TYPE = 0x3034;
public static final int EGL_TRANSPARENT_BLUE_VALUE = 0x3035;
public static final int EGL_TRANSPARENT_GREEN_VALUE = 0x3036;
public static final int EGL_TRANSPARENT_RED_VALUE = 0x3037;
public static final int EGL_NONE = 0x3038;
public static final int EGL_BIND_TO_TEXTURE_RGB = 0x3039;
public static final int EGL_BIND_TO_TEXTURE_RGBA = 0x303A;
public static final int EGL_MIN_SWAP_INTERVAL = 0x303B;
public static final int EGL_MAX_SWAP_INTERVAL = 0x303C;
public static final int EGL_LUMINANCE_SIZE = 0x303D;
public static final int EGL_ALPHA_MASK_SIZE = 0x303E;
public static final int EGL_COLOR_BUFFER_TYPE = 0x303F;
public static final int EGL_RENDERABLE_TYPE = 0x3040;
public static final int EGL_MATCH_NATIVE_PIXMAP = 0x3041;
public static final int EGL_CONFORMANT = 0x3042;
public static final int EGL_SLOW_CONFIG = 0x3050;
public static final int EGL_NON_CONFORMANT_CONFIG = 0x3051;
public static final int EGL_TRANSPARENT_RGB = 0x3052;
public static final int EGL_RGB_BUFFER = 0x308E;
public static final int EGL_LUMINANCE_BUFFER = 0x308F;
public static final int EGL_NO_TEXTURE = 0x305C;
public static final int EGL_TEXTURE_RGB = 0x305D;
public static final int EGL_TEXTURE_RGBA = 0x305E;
public static final int EGL_TEXTURE_2D = 0x305F;
public static final int EGL_PBUFFER_BIT = 0x0001;
public static final int EGL_PIXMAP_BIT = 0x0002;
public static final int EGL_WINDOW_BIT = 0x0004;
public static final int EGL_VG_COLORSPACE_LINEAR_BIT = 0x0020;
public static final int EGL_VG_ALPHA_FORMAT_PRE_BIT = 0x0040;
public static final int EGL_MULTISAMPLE_RESOLVE_BOX_BIT = 0x0200;
public static final int EGL_SWAP_BEHAVIOR_PRESERVED_BIT = 0x0400;
public static final int EGL_OPENGL_ES_BIT = 0x0001;
public static final int EGL_OPENVG_BIT = 0x0002;
public static final int EGL_OPENGL_ES = 2;
public static final int EGL_OPENGL_BIT = 0x0008;
public static final int EGL_VENDOR = 0x3053;
public static final int EGL_VERSION = 0x3054;
public static final int EGL_EXTENSIONS = 0x3055;
public static final int EGL_CLIENT_APIS = 0x308D;
public static final int EGL_HEIGHT = 0x3056;
public static final int EGL_WIDTH = 0x3057;
public static final int EGL_LARGEST_PBUFFER = 0x3058;
public static final int EGL_TEXTURE_FORMAT = 0x3080;
public static final int EGL_TEXTURE_TARGET = 0x3081;
public static final int EGL_MIPMAP_TEXTURE = 0x3082;
public static final int EGL_MIPMAP_LEVEL = 0x3083;
public static final int EGL_RENDER_BUFFER = 0x3086;
public static final int EGL_VG_COLORSPACE = 0x3087;
public static final int EGL_VG_ALPHA_FORMAT = 0x3088;
public static final int EGL_HORIZONTAL_RESOLUTION = 0x3090;
public static final int EGL_VERTICAL_RESOLUTION = 0x3091;
public static final int EGL_PIXEL_ASPECT_RATIO = 0x3092;
public static final int EGL_SWAP_BEHAVIOR = 0x3093;
public static final int EGL_MULTISAMPLE_RESOLVE = 0x3099;
public static final int EGL_BACK_BUFFER = 0x3084;
public static final int EGL_SINGLE_BUFFER = 0x3085;
public static final int EGL_VG_COLORSPACE_sRGB = 0x3089;
public static final int EGL_VG_COLORSPACE_LINEAR = 0x308A;
public static final int EGL_VG_ALPHA_FORMAT_NONPRE = 0x308B;
public static final int EGL_VG_ALPHA_FORMAT_PRE = 0x308C;
public static final int EGL_DISPLAY_SCALING = 10000;
public static final int EGL_UNKNOWN = -1;
public static final int EGL_BUFFER_PRESERVED = 0x3094;
public static final int EGL_BUFFER_DESTROYED = 0x3095;
public static final int EGL_OPENVG_IMAGE = 0x3096;
public static final int EGL_CONTEXT_CLIENT_TYPE = 0x3097;
public static final int EGL_CONTEXT_CLIENT_VERSION = 0x3098;
public static final int EGL_MULTISAMPLE_RESOLVE_DEFAULT = 0x309A;
public static final int EGL_MULTISAMPLE_RESOLVE_BOX = 0x309B;
public static final int EGL_OPENGL_ES_API = 0x30A0;
public static final int EGL_OPENVG_API = 0x30A1;
public static final int EGL_OPENGL_API = 0x30A2;
public static final int EGL_DRAW = 0x3059;
public static final int EGL_READ = 0x305A;
public static final int EGL_CORE_NATIVE_ENGINE = 0x305B;
public static native void loadFunctions(long dlHandle);
public static native boolean eglBindAPI(int api);
public static native boolean eglChooseConfig(
long eglDisplay,
int[] attribs,
long[] eglConfigs,
int configSize,
int[] configCount);
public static native long eglContextFromConfig(long eglDisplay, long eglConfig);
public static native long eglCreateContext(
long eglDisplay,
long eglConfig,
long shareContext,
int[] attribs);
public static long eglCreateWindowSurface(long eglDisplay,
long eglConfig,
long nativeWindow,
int[] attribs) {
if (eglWindowSurface == 0) {
eglWindowSurface = _eglCreateWindowSurface(eglDisplay, eglConfig,
nativeWindow, attribs);
}
return eglWindowSurface;
}
public static native long _eglCreateWindowSurface(
long eglDisplay,
long eglConfig,
long nativeWindow,
int[] attribs);
public static native boolean eglDestroyContext(long eglDisplay, long eglContext);
public static native boolean eglGetConfigAttrib(
long eglDisplay,
long eglConfig,
int attrib,
int[] value);
public static native long eglGetDisplay(long nativeDisplay);
public static native int eglGetError();
public static native boolean eglInitialize(long eglDisplay, int[] major,
int[] minor);
public static native boolean eglMakeCurrent(
long eglDisplay,
long eglDrawSurface,
long eglReadSurface,
long eglContext);
public static native String eglQueryString(long eglDisplay, int name);
public static native String eglQueryVersion(long eglDisplay, int versionType);
public static native boolean eglSwapBuffers(long eglDisplay, long eglSurface);
/** Convert an EGL error code such as EGL_BAD_CONTEXT to a string
* representation.
* @param errorCode the EGL error code
* @return the constant name of the error code. If errorCode cannot be
* matched to an EGL error, a string representation of the error code's
* value is returned.
*/
public static String eglErrorToString(int errorCode) {
if (errorCode >= 0x3000 && errorCode < 0x3020) {
for (Field field : EGL.class.getFields()) {
try {
if (field.getName().startsWith("EGL_")
&& field.getType() == Integer.TYPE
&& field.getInt(null) == errorCode) {
return field.getName();
}
} catch (IllegalAccessException e) {
}
}
}
return new Formatter()
.format("0x%04x", errorCode & 0xffff)
.out()
.toString();
}
}
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