363 lines
17 KiB
C
363 lines
17 KiB
C
/*
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* Copyright (c) 2002-2008 LWJGL Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'LWJGL' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* $Id$
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*
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* Include file to access public window features
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*
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* @author elias_naur <elias_naur@users.sourceforge.net>
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* @version $Revision$
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*/
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#include <jni.h>
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#include <X11/X.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include "extgl_glx.h"
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#include "context.h"
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XVisualInfo *getVisualInfoFromPeerInfo(JNIEnv *env, X11PeerInfo *peer_info) {
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XVisualInfo *vis_info;
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if (!peer_info->glx13) {
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XVisualInfo template;
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template.visualid = peer_info->config.glx_config.visualid;
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template.depth = peer_info->config.glx_config.depth;
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template.screen = peer_info->screen;
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int num_infos;
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vis_info = XGetVisualInfo(peer_info->display, VisualIDMask | VisualScreenMask | VisualDepthMask, &template, &num_infos);
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if (vis_info == NULL) {
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throwException(env, "Could not find VisualInfo from peer info");
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return NULL;
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}
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// Check the assumption from GLX 1.3 docs that a VisualInfo is uniquely identified by its
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// {VisualID, screen, depth} tuple
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if (num_infos != 1) {
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XFree(vis_info);
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throwException(env, "No unique VisualInfo matches peer info");
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return NULL;
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}
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} else {
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GLXFBConfig *configs = getFBConfigFromPeerInfo(env, peer_info);
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if (configs == NULL)
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return NULL;
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vis_info = lwjgl_glXGetVisualFromFBConfig(peer_info->display, configs[0]);
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if (vis_info == NULL)
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throwException(env, "Could not get VisualInfo from GLX 1.3 config");
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XFree(configs);
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}
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return vis_info;
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}
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GLXFBConfig *getFBConfigFromPeerInfo(JNIEnv *env, X11PeerInfo *peer_info) {
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int attribs[] = {GLX_FBCONFIG_ID, peer_info->config.glx13_config.config_id, None, None};
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int num_elements;
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GLXFBConfig *configs = lwjgl_glXChooseFBConfig(peer_info->display, peer_info->screen, attribs, &num_elements);
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if (configs == NULL) {
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throwException(env, "Could not find GLX 1.3 config from peer info");
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return NULL;
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}
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// Check that only one FBConfig matches the config id
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if (num_elements != 1) {
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XFree(configs);
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throwException(env, "No unique GLX 1.3 config matches peer info");
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return NULL;
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}
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return configs;
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}
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static int convertToBPE(int bpp) {
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int bpe;
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switch (bpp) {
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case 0:
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bpe = 0;
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break;
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case 32:
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case 24:
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bpe = 8;
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break;
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case 16: /* Fall through */
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default:
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bpe = 4;
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break;
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}
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return bpe;
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}
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static GLXFBConfig *chooseVisualGLX13FromBPP(JNIEnv *env, Display *disp, int screen, jobject pixel_format, int bpp, int drawable_type, bool double_buffer) {
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jclass cls_pixel_format = (*env)->GetObjectClass(env, pixel_format);
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int alpha = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "alpha", "I"));
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int depth = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "depth", "I"));
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int stencil = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "stencil", "I"));
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int samples = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "samples", "I"));
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int colorSamples = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "colorSamples", "I"));
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int num_aux_buffers = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "num_aux_buffers", "I"));
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int accum_bpp = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "accum_bpp", "I"));
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int accum_alpha = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "accum_alpha", "I"));
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bool stereo = (bool)(*env)->GetBooleanField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "stereo", "Z"));
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bool floating_point = (bool)(*env)->GetBooleanField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "floating_point", "Z"));
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bool floating_point_packed = (bool)(*env)->GetBooleanField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "floating_point_packed", "Z"));
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bool sRGB = (bool)(*env)->GetBooleanField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "sRGB", "Z"));
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int bpe = convertToBPE(bpp);
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int accum_bpe = convertToBPE(accum_bpp);
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attrib_list_t attrib_list;
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initAttribList(&attrib_list);
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int render_type;
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if ( floating_point )
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render_type = GLX_RGBA_FLOAT_BIT;
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else if ( floating_point_packed )
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render_type = GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT;
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else
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render_type = GLX_RGBA_BIT;
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putAttrib(&attrib_list, GLX_RENDER_TYPE); putAttrib(&attrib_list, render_type);
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putAttrib(&attrib_list, GLX_DOUBLEBUFFER); putAttrib(&attrib_list, double_buffer ? True : False);
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putAttrib(&attrib_list, GLX_DRAWABLE_TYPE); putAttrib(&attrib_list, drawable_type);
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putAttrib(&attrib_list, GLX_DEPTH_SIZE); putAttrib(&attrib_list, depth);
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putAttrib(&attrib_list, GLX_RED_SIZE); putAttrib(&attrib_list, bpe);
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putAttrib(&attrib_list, GLX_GREEN_SIZE); putAttrib(&attrib_list, bpe);
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putAttrib(&attrib_list, GLX_BLUE_SIZE); putAttrib(&attrib_list, bpe);
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putAttrib(&attrib_list, GLX_ALPHA_SIZE); putAttrib(&attrib_list, alpha);
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putAttrib(&attrib_list, GLX_STENCIL_SIZE); putAttrib(&attrib_list, stencil);
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putAttrib(&attrib_list, GLX_AUX_BUFFERS); putAttrib(&attrib_list, num_aux_buffers);
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putAttrib(&attrib_list, GLX_ACCUM_RED_SIZE); putAttrib(&attrib_list, accum_bpe);
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putAttrib(&attrib_list, GLX_ACCUM_GREEN_SIZE); putAttrib(&attrib_list, accum_bpe);
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putAttrib(&attrib_list, GLX_ACCUM_BLUE_SIZE); putAttrib(&attrib_list, accum_bpe);
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putAttrib(&attrib_list, GLX_ACCUM_ALPHA_SIZE); putAttrib(&attrib_list, accum_alpha);
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if (stereo) {
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putAttrib(&attrib_list, GLX_STEREO); putAttrib(&attrib_list, True);
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}
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// Assume the caller has checked support for multisample
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if (samples > 0) {
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putAttrib(&attrib_list, GLX_SAMPLE_BUFFERS_ARB); putAttrib(&attrib_list, 1);
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putAttrib(&attrib_list, GLX_SAMPLES_ARB); putAttrib(&attrib_list, samples); // GLX_COVERAGE_SAMPLES_NV if colorSamples > 0
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if ( colorSamples > 0 ) {
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putAttrib(&attrib_list, GLX_COLOR_SAMPLES_NV); putAttrib(&attrib_list, colorSamples);
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}
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}
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if (sRGB) {
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putAttrib(&attrib_list, GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB); putAttrib(&attrib_list, True);
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}
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putAttrib(&attrib_list, None); putAttrib(&attrib_list, None);
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int num_formats = 0;
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GLXFBConfig* configs = lwjgl_glXChooseFBConfig(disp, screen, attrib_list.attribs, &num_formats);
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if (num_formats > 0) {
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return configs;
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} else {
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if (configs != NULL)
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XFree(configs);
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return NULL;
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}
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}
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GLXFBConfig *chooseVisualGLX13(JNIEnv *env, Display *disp, int screen, jobject pixel_format, bool use_display_bpp, int drawable_type, bool double_buffer) {
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jclass cls_pixel_format = (*env)->GetObjectClass(env, pixel_format);
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int bpp;
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if (use_display_bpp) {
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bpp = XDefaultDepthOfScreen(XScreenOfDisplay(disp, screen));
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GLXFBConfig *configs = chooseVisualGLX13FromBPP(env, disp, screen, pixel_format, bpp, drawable_type, double_buffer);
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if (configs != NULL)
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return configs;
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else
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bpp = 16;
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} else
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bpp = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "bpp", "I"));
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return chooseVisualGLX13FromBPP(env, disp, screen, pixel_format, bpp, drawable_type, double_buffer);
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}
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static XVisualInfo *chooseVisualGLXFromBPP(JNIEnv *env, Display *disp, int screen, jobject pixel_format, int bpp, bool double_buffer) {
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jclass cls_pixel_format = (*env)->GetObjectClass(env, pixel_format);
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int alpha = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "alpha", "I"));
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int depth = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "depth", "I"));
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int stencil = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "stencil", "I"));
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int samples = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "samples", "I"));
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int colorSamples = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "colorSamples", "I"));
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int num_aux_buffers = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "num_aux_buffers", "I"));
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int accum_bpp = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "accum_bpp", "I"));
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int accum_alpha = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "accum_alpha", "I"));
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bool stereo = (bool)(*env)->GetBooleanField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "stereo", "Z"));
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bool sRGB = (bool)(*env)->GetBooleanField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "sRGB", "Z"));
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int bpe = convertToBPE(bpp);
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int accum_bpe = convertToBPE(accum_bpp);
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attrib_list_t attrib_list;
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initAttribList(&attrib_list);
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putAttrib(&attrib_list, GLX_RGBA);
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putAttrib(&attrib_list, GLX_DOUBLEBUFFER);
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putAttrib(&attrib_list, GLX_DEPTH_SIZE); putAttrib(&attrib_list, depth);
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putAttrib(&attrib_list, GLX_RED_SIZE); putAttrib(&attrib_list, bpe);
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putAttrib(&attrib_list, GLX_GREEN_SIZE); putAttrib(&attrib_list, bpe);
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putAttrib(&attrib_list, GLX_BLUE_SIZE); putAttrib(&attrib_list, bpe);
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putAttrib(&attrib_list, GLX_ALPHA_SIZE); putAttrib(&attrib_list, alpha);
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putAttrib(&attrib_list, GLX_STENCIL_SIZE); putAttrib(&attrib_list, stencil);
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putAttrib(&attrib_list, GLX_AUX_BUFFERS); putAttrib(&attrib_list, num_aux_buffers);
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putAttrib(&attrib_list, GLX_ACCUM_RED_SIZE); putAttrib(&attrib_list, accum_bpe);
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putAttrib(&attrib_list, GLX_ACCUM_GREEN_SIZE); putAttrib(&attrib_list, accum_bpe);
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putAttrib(&attrib_list, GLX_ACCUM_BLUE_SIZE); putAttrib(&attrib_list, accum_bpe);
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putAttrib(&attrib_list, GLX_ACCUM_ALPHA_SIZE); putAttrib(&attrib_list, accum_alpha);
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if (stereo) {
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putAttrib(&attrib_list, GLX_STEREO);
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}
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// Assume the caller has checked support for multisample
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if (samples > 0) {
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putAttrib(&attrib_list, GLX_SAMPLE_BUFFERS_ARB); putAttrib(&attrib_list, 1);
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putAttrib(&attrib_list, GLX_SAMPLES_ARB); putAttrib(&attrib_list, samples); // GLX_COVERAGE_SAMPLES_NV if colorSamples > 0
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if ( colorSamples > 0 ) {
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putAttrib(&attrib_list, GLX_COLOR_SAMPLES_NV); putAttrib(&attrib_list, colorSamples);
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}
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}
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if (sRGB) {
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putAttrib(&attrib_list, GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB);
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}
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putAttrib(&attrib_list, None);
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return lwjgl_glXChooseVisual(disp, screen, attrib_list.attribs);
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}
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XVisualInfo *chooseVisualGLX(JNIEnv *env, Display *disp, int screen, jobject pixel_format, bool use_display_bpp, bool double_buffer) {
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jclass cls_pixel_format = (*env)->GetObjectClass(env, pixel_format);
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int bpp;
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if (use_display_bpp) {
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bpp = XDefaultDepthOfScreen(XScreenOfDisplay(disp, screen));
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XVisualInfo *vis_info = chooseVisualGLXFromBPP(env, disp, screen, pixel_format, bpp, double_buffer);
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if (vis_info != NULL)
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return vis_info;
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else
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bpp = 16;
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} else
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bpp = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "bpp", "I"));
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return chooseVisualGLXFromBPP(env, disp, screen, pixel_format, bpp, double_buffer);
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}
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static void dumpVisualInfo(JNIEnv *env, Display *display, GLXExtensions *extension_flags, XVisualInfo *vis_info) {
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int alpha, depth, stencil, r, g, b;
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int sample_buffers = 0;
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int samples = 0;
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lwjgl_glXGetConfig(display, vis_info, GLX_RED_SIZE, &r);
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lwjgl_glXGetConfig(display, vis_info, GLX_GREEN_SIZE, &g);
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lwjgl_glXGetConfig(display, vis_info, GLX_BLUE_SIZE, &b);
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lwjgl_glXGetConfig(display, vis_info, GLX_ALPHA_SIZE, &alpha);
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lwjgl_glXGetConfig(display, vis_info, GLX_DEPTH_SIZE, &depth);
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lwjgl_glXGetConfig(display, vis_info, GLX_STENCIL_SIZE, &stencil);
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if (extension_flags->GLX_ARB_multisample) {
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lwjgl_glXGetConfig(display, vis_info, GLX_SAMPLE_BUFFERS_ARB, &sample_buffers);
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lwjgl_glXGetConfig(display, vis_info, GLX_SAMPLES_ARB, &samples);
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}
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printfDebugJava(env, "Pixel format info: r = %d, g = %d, b = %d, a = %d, depth = %d, stencil = %d, sample buffers = %d, samples = %d", r, g, b, alpha, depth, stencil, sample_buffers, samples);
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}
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bool initPeerInfo(JNIEnv *env, jobject peer_info_handle, Display *display, int screen, jobject pixel_format, bool use_display_bpp, int drawable_type, bool double_buffered, bool force_glx13) {
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if ((*env)->GetDirectBufferCapacity(env, peer_info_handle) < sizeof(X11PeerInfo)) {
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throwException(env, "Handle too small");
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return false;
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}
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X11PeerInfo *peer_info = (*env)->GetDirectBufferAddress(env, peer_info_handle);
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GLXExtensions extension_flags;
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if (!extgl_InitGLX(display, screen, &extension_flags)) {
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throwException(env, "Could not init GLX");
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return false;
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}
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if (!extension_flags.GLX13 && force_glx13) {
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throwException(env, "GLX13 is required, but is not available");
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return false;
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}
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jclass cls_pixel_format = (*env)->GetObjectClass(env, pixel_format);
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int samples = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "samples", "I"));
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if (samples > 0 && !extension_flags.GLX_ARB_multisample) {
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throwException(env, "Samples > 0 specified but there's no support for GLX_ARB_multisample");
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return false;
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}
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int colorSamples = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "colorSamples", "I"));
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if (colorSamples > 0 && !extension_flags.GLX_NV_multisample_coverage) {
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throwException(env, "Color samples > 0 specified but there's no support for GLX_NV_multisample_coverage");
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return false;
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}
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bool floating_point = (bool)(*env)->GetBooleanField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "floating_point", "Z"));
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if (floating_point && !(extension_flags.GLX13 && extension_flags.GLX_ARB_fbconfig_float)) { // We need GLX13 to support floating point
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throwException(env, "Floating point specified but there's no support for GLX_ARB_fbconfig_float");
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return false;
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}
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bool floating_point_packed = (bool)(*env)->GetBooleanField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "floating_point_packed", "Z"));
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if (floating_point_packed && !(extension_flags.GLX13 && extension_flags.GLX_EXT_fbconfig_packed_float)) { // We need GLX13 to support packed floating point
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throwException(env, "Packed floating point specified but there's no support for GLX_EXT_fbconfig_packed_float");
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return false;
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}
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bool sRGB = (bool)(*env)->GetBooleanField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "sRGB", "Z"));
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if (sRGB && !extension_flags.GLX_ARB_framebuffer_sRGB) {
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throwException(env, "sRGB specified but there's no support for GLX_ARB_framebuffer_sRGB");
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return false;
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}
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peer_info->glx13 = extension_flags.GLX13;
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if (peer_info->glx13) {
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GLXFBConfig *configs = chooseVisualGLX13(env, display, screen, pixel_format, use_display_bpp, drawable_type, double_buffered);
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if (configs == NULL) {
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throwException(env, "Could not choose GLX13 config");
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return false;
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}
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if (isDebugEnabled()) {
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XVisualInfo *vis_info = lwjgl_glXGetVisualFromFBConfig(display, configs[0]);
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if (vis_info != NULL) {
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dumpVisualInfo(env, display, &extension_flags, vis_info);
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XFree(vis_info);
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}
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}
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int config_id;
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int result = lwjgl_glXGetFBConfigAttrib(display, configs[0], GLX_FBCONFIG_ID, &config_id);
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XFree(configs);
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if (result != Success) {
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throwException(env, "Could not get GLX_FBCONFIG_ID from GLXFBConfig");
|
|
return false;
|
|
}
|
|
peer_info->config.glx13_config.config_id = config_id;
|
|
} else {
|
|
XVisualInfo *vis_info = chooseVisualGLX(env, display, screen, pixel_format, use_display_bpp, double_buffered);
|
|
if (vis_info == NULL) {
|
|
throwException(env, "Could not choose visual");
|
|
return false;
|
|
}
|
|
peer_info->config.glx_config.visualid = vis_info->visualid;
|
|
peer_info->config.glx_config.depth = vis_info->depth;
|
|
peer_info->screen = vis_info->screen;
|
|
if (isDebugEnabled())
|
|
dumpVisualInfo(env, display, &extension_flags, vis_info);
|
|
XFree(vis_info);
|
|
}
|
|
peer_info->display = display;
|
|
peer_info->screen = screen;
|
|
peer_info->drawable = None;
|
|
return true;
|
|
}
|