diff options
Diffstat (limited to 'src/classes/com/sun/opengl/impl/egl/EGLConfig.java')
| -rw-r--r-- | src/classes/com/sun/opengl/impl/egl/EGLConfig.java | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/classes/com/sun/opengl/impl/egl/EGLConfig.java b/src/classes/com/sun/opengl/impl/egl/EGLConfig.java new file mode 100644 index 000000000..0b33f91cc --- /dev/null +++ b/src/classes/com/sun/opengl/impl/egl/EGLConfig.java @@ -0,0 +1,164 @@ +/* + * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package com.sun.opengl.impl.egl; + +import java.util.*; +import javax.media.opengl.*; +import com.sun.opengl.impl.*; +import com.sun.gluegen.runtime.NativeLibrary; + +public class EGLConfig { + + public _EGLConfig getNativeConfig() { + return _config; + } + + public int getNativeConfigID() { + return configID; + } + + public GLCapabilities getCapabilities() { + return capabilities; + } + + public EGLConfig(long display, int configID) { + int[] attrs = new int[] { + EGL.EGL_RENDERABLE_TYPE, -1, + EGL.EGL_CONFIG_ID, configID, + EGL.EGL_NONE + }; + if (GLProfile.isGLES2()) { + attrs[1] = EGL.EGL_OPENGL_ES2_BIT; + } else if (GLProfile.isGLES1()) { + attrs[1] = EGL.EGL_OPENGL_ES_BIT; + } else { + throw new GLException("Error creating EGL drawable - invalid GLProfile"); + } + _EGLConfig[] configs = new _EGLConfig[1]; + int[] numConfigs = new int[1]; + if (!EGL.eglChooseConfig(display, + attrs, 0, + configs, 1, + numConfigs, 0)) { + throw new GLException("Graphics configuration selection (eglChooseConfig) failed"); + } + if (numConfigs[0] == 0) { + throw new GLException("No valid graphics configuration selected from eglChooseConfig"); + } + capabilities = new GLCapabilities(); + setup(display, configID, configs[0]); + } + + public EGLConfig(long display, GLCapabilities caps) { + int[] attrs = glCapabilities2AttribList(caps); + _EGLConfig[] configs = new _EGLConfig[1]; + int[] numConfigs = new int[1]; + if (!EGL.eglChooseConfig(display, + attrs, 0, + configs, 1, + numConfigs, 0)) { + throw new GLException("Graphics configuration selection (eglChooseConfig) failed"); + } + if (numConfigs[0] == 0) { + throw new GLException("No valid graphics configuration selected from eglChooseConfig"); + } + capabilities = (GLCapabilities)caps.clone(); + setup(display, -1, configs[0]); + } + + private void setup(long display, int setConfigID, _EGLConfig _config) { + this._config = _config; + int[] val = new int[1]; + // get the configID + if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_CONFIG_ID, val, 0)) { + configID = val[0]; + if( setConfigID>=0 && setConfigID!=this.configID ) { + throw new GLException("EGL ConfigID mismatch, ask "+setConfigID+", got "+configID); + } + } else { + throw new GLException("EGL couldn't retrieve ConfigID"); + } + // Read the actual configuration into the choosen caps + if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_RED_SIZE, val, 0)) { + capabilities.setRedBits(val[0]); + } + if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_GREEN_SIZE, val, 0)) { + capabilities.setGreenBits(val[0]); + } + if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_BLUE_SIZE, val, 0)) { + capabilities.setBlueBits(val[0]); + } + if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_ALPHA_SIZE, val, 0)) { + capabilities.setAlphaBits(val[0]); + } + if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_STENCIL_SIZE, val, 0)) { + capabilities.setStencilBits(val[0]); + } + if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_DEPTH_SIZE, val, 0)) { + capabilities.setDepthBits(val[0]); + } + } + + public static int[] glCapabilities2AttribList(GLCapabilities caps) { + int[] attrs = new int[] { + EGL.EGL_RENDERABLE_TYPE, -1, + // FIXME: does this need to be configurable? + EGL.EGL_SURFACE_TYPE, EGL.EGL_WINDOW_BIT, + EGL.EGL_RED_SIZE, caps.getRedBits(), + EGL.EGL_GREEN_SIZE, caps.getGreenBits(), + EGL.EGL_BLUE_SIZE, caps.getBlueBits(), + EGL.EGL_ALPHA_SIZE, (caps.getAlphaBits() > 0 ? caps.getAlphaBits() : EGL.EGL_DONT_CARE), + EGL.EGL_STENCIL_SIZE, (caps.getStencilBits() > 0 ? caps.getStencilBits() : EGL.EGL_DONT_CARE), + EGL.EGL_DEPTH_SIZE, caps.getDepthBits(), + EGL.EGL_NONE + }; + if (GLProfile.isGLES2()) { + attrs[1] = EGL.EGL_OPENGL_ES2_BIT; + } else if (GLProfile.isGLES1()) { + attrs[1] = EGL.EGL_OPENGL_ES_BIT; + } else { + throw new GLException("Error creating EGL drawable - invalid GLProfile"); + } + + return attrs; + } + + private _EGLConfig _config; + private int configID; + private GLCapabilities capabilities; + +} + |