mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
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egl: Add xeglthreads
Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
This commit is contained in:
Chia-I Wu
Brian Paul
parent
caf5d52d48
commit
721f80b82a
3 changed files with 775 additions and 0 deletions
1
progs/egl/.gitignore
vendored
1
progs/egl/.gitignore
vendored
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@ -7,4 +7,5 @@ eglscreen
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egltri
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peglgears
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xeglgears
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xeglthreads
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xegl_tri
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@ -18,6 +18,7 @@ PROGRAMS = \
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eglscreen \
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peglgears \
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xeglgears \
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xeglthreads \
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xegl_tri
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@ -90,6 +91,13 @@ xeglgears.o: xeglgears.c $(HEADERS)
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$(CC) -c $(CFLAGS) -I$(TOP)/include xeglgears.c
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xeglthreads: xeglthreads.o $(TOP)/$(LIB_DIR)/libEGL.so
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$(CC) $(CFLAGS) xeglthreads.o -L$(TOP)/$(LIB_DIR) -lEGL -lGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
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xeglthreads.o: xeglthreads.c $(HEADERS)
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$(CC) -c $(CFLAGS) -I$(TOP)/include xeglthreads.c
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xegl_tri: xegl_tri.o $(TOP)/$(LIB_DIR)/libEGL.so
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$(CC) $(CFLAGS) xegl_tri.o -L$(TOP)/$(LIB_DIR) -lEGL -lGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
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766
progs/egl/xeglthreads.c
Normal file
766
progs/egl/xeglthreads.c
Normal file
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@ -0,0 +1,766 @@
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/*
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* Copyright (C) 2000 Brian Paul All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* Ported to EGL by Chia-I Wu <olvaffe@gmail.com>
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*/
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/*
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* This program tests EGL thread safety.
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* Command line options:
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* -p Open a display connection for each thread
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* -l Enable application-side locking
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* -n <num threads> Number of threads to create (default is 2)
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* -display <display name> Specify X display (default is $DISPLAY)
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* -t Use texture mapping
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*
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* Brian Paul 20 July 2000
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*/
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/*
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* Notes:
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* - Each thread gets its own EGL context.
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*
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* - The EGL contexts share texture objects.
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*
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* - When 't' is pressed to update the texture image, the window/thread which
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* has input focus is signalled to change the texture. The other threads
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* should see the updated texture the next time they call glBindTexture.
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*/
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#if defined(PTHREADS) /* defined by Mesa on Linux and other platforms */
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#include <assert.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <GL/gl.h>
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#include <EGL/egl.h>
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <pthread.h>
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/*
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* Each window/thread/context:
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*/
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struct winthread {
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Display *Dpy;
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int Index;
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pthread_t Thread;
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Window Win;
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EGLDisplay Display;
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EGLContext Context;
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EGLSurface Surface;
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float Angle;
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int WinWidth, WinHeight;
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GLboolean NewSize;
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GLboolean Initialized;
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GLboolean MakeNewTexture;
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};
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#define MAX_WINTHREADS 100
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static struct winthread WinThreads[MAX_WINTHREADS];
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static int NumWinThreads = 0;
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static volatile GLboolean ExitFlag = GL_FALSE;
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static GLboolean MultiDisplays = 0;
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static GLboolean Locking = 0;
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static GLboolean Texture = GL_FALSE;
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static GLuint TexObj = 12;
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static GLboolean Animate = GL_TRUE;
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static pthread_mutex_t Mutex;
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static pthread_cond_t CondVar;
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static pthread_mutex_t CondMutex;
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static void
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Error(const char *msg)
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{
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fprintf(stderr, "Error: %s\n", msg);
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exit(1);
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}
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static void
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signal_redraw(void)
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{
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pthread_mutex_lock(&CondMutex);
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pthread_cond_broadcast(&CondVar);
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pthread_mutex_unlock(&CondMutex);
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}
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static void
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MakeNewTexture(struct winthread *wt)
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{
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#define TEX_SIZE 128
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static float step = 0.0;
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GLfloat image[TEX_SIZE][TEX_SIZE][4];
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GLint width;
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int i, j;
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for (j = 0; j < TEX_SIZE; j++) {
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for (i = 0; i < TEX_SIZE; i++) {
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float dt = 5.0 * (j - 0.5 * TEX_SIZE) / TEX_SIZE;
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float ds = 5.0 * (i - 0.5 * TEX_SIZE) / TEX_SIZE;
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float r = dt * dt + ds * ds + step;
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image[j][i][0] =
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image[j][i][1] =
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image[j][i][2] = 0.75 + 0.25 * cos(r);
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image[j][i][3] = 1.0;
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}
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}
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step += 0.5;
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glBindTexture(GL_TEXTURE_2D, TexObj);
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glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &width);
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if (width) {
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assert(width == TEX_SIZE);
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/* sub-tex replace */
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glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, TEX_SIZE, TEX_SIZE,
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GL_RGBA, GL_FLOAT, image);
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}
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else {
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/* create new */
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEX_SIZE, TEX_SIZE, 0,
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GL_RGBA, GL_FLOAT, image);
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}
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}
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/* draw a colored cube */
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static void
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draw_object(void)
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{
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glPushMatrix();
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glScalef(0.75, 0.75, 0.75);
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glColor3f(1, 0, 0);
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if (Texture) {
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glBindTexture(GL_TEXTURE_2D, TexObj);
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glEnable(GL_TEXTURE_2D);
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}
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else {
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glDisable(GL_TEXTURE_2D);
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}
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glBegin(GL_QUADS);
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/* -X */
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glColor3f(0, 1, 1);
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glTexCoord2f(0, 0); glVertex3f(-1, -1, -1);
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glTexCoord2f(1, 0); glVertex3f(-1, 1, -1);
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glTexCoord2f(1, 1); glVertex3f(-1, 1, 1);
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glTexCoord2f(0, 1); glVertex3f(-1, -1, 1);
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/* +X */
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glColor3f(1, 0, 0);
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glTexCoord2f(0, 0); glVertex3f(1, -1, -1);
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glTexCoord2f(1, 0); glVertex3f(1, 1, -1);
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glTexCoord2f(1, 1); glVertex3f(1, 1, 1);
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glTexCoord2f(0, 1); glVertex3f(1, -1, 1);
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/* -Y */
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glColor3f(1, 0, 1);
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glTexCoord2f(0, 0); glVertex3f(-1, -1, -1);
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glTexCoord2f(1, 0); glVertex3f( 1, -1, -1);
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glTexCoord2f(1, 1); glVertex3f( 1, -1, 1);
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glTexCoord2f(0, 1); glVertex3f(-1, -1, 1);
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/* +Y */
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glColor3f(0, 1, 0);
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glTexCoord2f(0, 0); glVertex3f(-1, 1, -1);
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glTexCoord2f(1, 0); glVertex3f( 1, 1, -1);
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glTexCoord2f(1, 1); glVertex3f( 1, 1, 1);
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glTexCoord2f(0, 1); glVertex3f(-1, 1, 1);
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/* -Z */
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glColor3f(1, 1, 0);
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glTexCoord2f(0, 0); glVertex3f(-1, -1, -1);
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glTexCoord2f(1, 0); glVertex3f( 1, -1, -1);
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glTexCoord2f(1, 1); glVertex3f( 1, 1, -1);
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glTexCoord2f(0, 1); glVertex3f(-1, 1, -1);
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/* +Y */
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glColor3f(0, 0, 1);
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glTexCoord2f(0, 0); glVertex3f(-1, -1, 1);
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glTexCoord2f(1, 0); glVertex3f( 1, -1, 1);
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glTexCoord2f(1, 1); glVertex3f( 1, 1, 1);
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glTexCoord2f(0, 1); glVertex3f(-1, 1, 1);
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glEnd();
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glPopMatrix();
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}
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/* signal resize of given window */
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static void
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resize(struct winthread *wt, int w, int h)
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{
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wt->NewSize = GL_TRUE;
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wt->WinWidth = w;
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wt->WinHeight = h;
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if (!Animate)
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signal_redraw();
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}
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/*
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* We have an instance of this for each thread.
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*/
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static void
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draw_loop(struct winthread *wt)
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{
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while (!ExitFlag) {
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if (Locking)
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pthread_mutex_lock(&Mutex);
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if (!wt->Initialized) {
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eglMakeCurrent(wt->Display, wt->Surface, wt->Surface, wt->Context);
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printf("xeglthreads: %d: GL_RENDERER = %s\n", wt->Index,
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(char *) glGetString(GL_RENDERER));
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if (Texture /*&& wt->Index == 0*/) {
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MakeNewTexture(wt);
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}
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wt->Initialized = GL_TRUE;
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}
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if (Locking)
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pthread_mutex_unlock(&Mutex);
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glEnable(GL_DEPTH_TEST);
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if (wt->NewSize) {
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GLfloat w = (float) wt->WinWidth / (float) wt->WinHeight;
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glViewport(0, 0, wt->WinWidth, wt->WinHeight);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glFrustum(-w, w, -1.0, 1.0, 1.5, 10);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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glTranslatef(0, 0, -2.5);
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wt->NewSize = GL_FALSE;
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}
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if (wt->MakeNewTexture) {
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MakeNewTexture(wt);
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wt->MakeNewTexture = GL_FALSE;
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}
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glPushMatrix();
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glRotatef(wt->Angle, 0, 1, 0);
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glRotatef(wt->Angle, 1, 0, 0);
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glScalef(0.7, 0.7, 0.7);
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draw_object();
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glPopMatrix();
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if (Locking)
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pthread_mutex_lock(&Mutex);
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eglSwapBuffers(wt->Display, wt->Surface);
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if (Locking)
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pthread_mutex_unlock(&Mutex);
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if (Animate) {
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usleep(5000);
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}
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else {
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/* wait for signal to draw */
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pthread_mutex_lock(&CondMutex);
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pthread_cond_wait(&CondVar, &CondMutex);
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pthread_mutex_unlock(&CondMutex);
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}
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wt->Angle += 1.0;
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}
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}
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static void
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keypress(XEvent *event, struct winthread *wt)
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{
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char buf[100];
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KeySym keySym;
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XComposeStatus stat;
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XLookupString(&event->xkey, buf, sizeof(buf), &keySym, &stat);
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switch (keySym) {
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case XK_Escape:
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/* tell all threads to exit */
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if (!Animate) {
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signal_redraw();
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}
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ExitFlag = GL_TRUE;
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/*printf("exit draw_loop %d\n", wt->Index);*/
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return;
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case XK_t:
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case XK_T:
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if (Texture) {
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wt->MakeNewTexture = GL_TRUE;
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if (!Animate)
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signal_redraw();
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}
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break;
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case XK_a:
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case XK_A:
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Animate = !Animate;
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if (Animate) /* yes, prev Animate state! */
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signal_redraw();
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break;
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case XK_s:
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case XK_S:
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if (!Animate)
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signal_redraw();
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break;
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default:
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; /* nop */
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}
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}
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/*
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* The main process thread runs this loop.
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* Single display connection for all threads.
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*/
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static void
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event_loop(Display *dpy)
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{
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XEvent event;
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int i;
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assert(!MultiDisplays);
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while (!ExitFlag) {
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if (Locking) {
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while (1) {
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int k;
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pthread_mutex_lock(&Mutex);
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k = XPending(dpy);
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if (k) {
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XNextEvent(dpy, &event);
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pthread_mutex_unlock(&Mutex);
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break;
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}
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pthread_mutex_unlock(&Mutex);
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usleep(5000);
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}
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}
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else {
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XNextEvent(dpy, &event);
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}
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switch (event.type) {
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case ConfigureNotify:
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/* Find winthread for this event's window */
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for (i = 0; i < NumWinThreads; i++) {
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struct winthread *wt = &WinThreads[i];
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if (event.xconfigure.window == wt->Win) {
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resize(wt, event.xconfigure.width,
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event.xconfigure.height);
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break;
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}
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}
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break;
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case KeyPress:
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for (i = 0; i < NumWinThreads; i++) {
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struct winthread *wt = &WinThreads[i];
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if (event.xkey.window == wt->Win) {
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keypress(&event, wt);
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break;
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}
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}
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break;
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default:
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/*no-op*/ ;
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}
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}
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}
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/*
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* Separate display connection for each thread.
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*/
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static void
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event_loop_multi(void)
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{
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XEvent event;
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int w = 0;
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assert(MultiDisplays);
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while (!ExitFlag) {
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struct winthread *wt = &WinThreads[w];
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if (XPending(wt->Dpy)) {
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XNextEvent(wt->Dpy, &event);
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switch (event.type) {
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case ConfigureNotify:
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resize(wt, event.xconfigure.width, event.xconfigure.height);
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break;
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case KeyPress:
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keypress(&event, wt);
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break;
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default:
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; /* nop */
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}
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}
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w = (w + 1) % NumWinThreads;
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usleep(5000);
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}
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}
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|
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/*
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* we'll call this once for each thread, before the threads are created.
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*/
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static void
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create_window(struct winthread *wt, EGLContext shareCtx)
|
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{
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Window win;
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EGLContext ctx;
|
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EGLSurface surf;
|
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EGLint attribs[] = { EGL_RED_SIZE, 1,
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EGL_GREEN_SIZE, 1,
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EGL_BLUE_SIZE, 1,
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EGL_DEPTH_SIZE, 1,
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EGL_NONE };
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EGLConfig config;
|
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EGLint num_configs;
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EGLint vid;
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int scrnum;
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XSetWindowAttributes attr;
|
||||
unsigned long mask;
|
||||
Window root;
|
||||
XVisualInfo *visinfo, visTemplate;
|
||||
int num_visuals;
|
||||
int width = 160, height = 160;
|
||||
int xpos = (wt->Index % 8) * (width + 10);
|
||||
int ypos = (wt->Index / 8) * (width + 20);
|
||||
|
||||
scrnum = DefaultScreen(wt->Dpy);
|
||||
root = RootWindow(wt->Dpy, scrnum);
|
||||
|
||||
if (!eglChooseConfig(wt->Display, attribs, &config, 1, &num_configs)) {
|
||||
Error("Unable to choose an EGL config");
|
||||
}
|
||||
|
||||
assert(config);
|
||||
assert(num_configs > 0);
|
||||
|
||||
if (!eglGetConfigAttrib(wt->Display, config, EGL_NATIVE_VISUAL_ID, &vid)) {
|
||||
Error("Unable to get visual id of EGL config\n");
|
||||
}
|
||||
|
||||
visTemplate.visualid = vid;
|
||||
visinfo = XGetVisualInfo(wt->Dpy, VisualIDMask,
|
||||
&visTemplate, &num_visuals);
|
||||
if (!visinfo) {
|
||||
Error("Unable to find RGB, Z, double-buffered visual");
|
||||
}
|
||||
|
||||
/* window attributes */
|
||||
attr.background_pixel = 0;
|
||||
attr.border_pixel = 0;
|
||||
attr.colormap = XCreateColormap(wt->Dpy, root, visinfo->visual, AllocNone);
|
||||
attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
|
||||
mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
|
||||
|
||||
win = XCreateWindow(wt->Dpy, root, xpos, ypos, width, height,
|
||||
0, visinfo->depth, InputOutput,
|
||||
visinfo->visual, mask, &attr);
|
||||
if (!win) {
|
||||
Error("Couldn't create window");
|
||||
}
|
||||
|
||||
XFree(visinfo);
|
||||
|
||||
{
|
||||
XSizeHints sizehints;
|
||||
sizehints.x = xpos;
|
||||
sizehints.y = ypos;
|
||||
sizehints.width = width;
|
||||
sizehints.height = height;
|
||||
sizehints.flags = USSize | USPosition;
|
||||
XSetNormalHints(wt->Dpy, win, &sizehints);
|
||||
XSetStandardProperties(wt->Dpy, win, "xeglthreads", "xeglthreads",
|
||||
None, (char **)NULL, 0, &sizehints);
|
||||
}
|
||||
|
||||
eglBindAPI(EGL_OPENGL_API);
|
||||
|
||||
ctx = eglCreateContext(wt->Display, config, shareCtx, NULL);
|
||||
if (!ctx) {
|
||||
Error("Couldn't create EGL context");
|
||||
}
|
||||
surf = eglCreateWindowSurface(wt->Display, config, win, NULL);
|
||||
if (!surf) {
|
||||
Error("Couldn't create EGL surface");
|
||||
}
|
||||
|
||||
XMapWindow(wt->Dpy, win);
|
||||
XSync(wt->Dpy, 0);
|
||||
|
||||
/* save the info for this window/context */
|
||||
wt->Win = win;
|
||||
wt->Context = ctx;
|
||||
wt->Surface = surf;
|
||||
wt->Angle = 0.0;
|
||||
wt->WinWidth = width;
|
||||
wt->WinHeight = height;
|
||||
wt->NewSize = GL_TRUE;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Called by pthread_create()
|
||||
*/
|
||||
static void *
|
||||
thread_function(void *p)
|
||||
{
|
||||
struct winthread *wt = (struct winthread *) p;
|
||||
draw_loop(wt);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* called before exit to wait for all threads to finish
|
||||
*/
|
||||
static void
|
||||
clean_up(void)
|
||||
{
|
||||
int i;
|
||||
|
||||
/* wait for threads to finish */
|
||||
for (i = 0; i < NumWinThreads; i++) {
|
||||
pthread_join(WinThreads[i].Thread, NULL);
|
||||
}
|
||||
|
||||
for (i = 0; i < NumWinThreads; i++) {
|
||||
eglDestroyContext(WinThreads[i].Dpy, WinThreads[i].Context);
|
||||
XDestroyWindow(WinThreads[i].Dpy, WinThreads[i].Win);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
usage(void)
|
||||
{
|
||||
printf("xeglthreads: test of EGL/GL thread safety (any key = exit)\n");
|
||||
printf("Usage:\n");
|
||||
printf(" xeglthreads [options]\n");
|
||||
printf("Options:\n");
|
||||
printf(" -display DISPLAYNAME Specify display string\n");
|
||||
printf(" -n NUMTHREADS Number of threads to create\n");
|
||||
printf(" -p Use a separate display connection for each thread\n");
|
||||
printf(" -l Use application-side locking\n");
|
||||
printf(" -t Enable texturing\n");
|
||||
printf("Keyboard:\n");
|
||||
printf(" Esc Exit\n");
|
||||
printf(" t Change texture image (requires -t option)\n");
|
||||
printf(" a Toggle animation\n");
|
||||
printf(" s Step rotation (when not animating)\n");
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
main(int argc, char *argv[])
|
||||
{
|
||||
char *displayName = NULL;
|
||||
int numThreads = 2;
|
||||
Display *dpy = NULL;
|
||||
EGLDisplay *egl_dpy = NULL;
|
||||
int i;
|
||||
Status threadStat;
|
||||
|
||||
if (argc == 1) {
|
||||
usage();
|
||||
}
|
||||
else {
|
||||
int i;
|
||||
for (i = 1; i < argc; i++) {
|
||||
if (strcmp(argv[i], "-display") == 0 && i + 1 < argc) {
|
||||
displayName = argv[i + 1];
|
||||
i++;
|
||||
}
|
||||
else if (strcmp(argv[i], "-p") == 0) {
|
||||
MultiDisplays = 1;
|
||||
}
|
||||
else if (strcmp(argv[i], "-l") == 0) {
|
||||
Locking = 1;
|
||||
}
|
||||
else if (strcmp(argv[i], "-t") == 0) {
|
||||
Texture = 1;
|
||||
}
|
||||
else if (strcmp(argv[i], "-n") == 0 && i + 1 < argc) {
|
||||
numThreads = atoi(argv[i + 1]);
|
||||
if (numThreads < 1)
|
||||
numThreads = 1;
|
||||
else if (numThreads > MAX_WINTHREADS)
|
||||
numThreads = MAX_WINTHREADS;
|
||||
i++;
|
||||
}
|
||||
else {
|
||||
usage();
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (Locking)
|
||||
printf("xeglthreads: Using explicit locks around Xlib calls.\n");
|
||||
else
|
||||
printf("xeglthreads: No explict locking.\n");
|
||||
|
||||
if (MultiDisplays)
|
||||
printf("xeglthreads: Per-thread display connections.\n");
|
||||
else
|
||||
printf("xeglthreads: Single display connection.\n");
|
||||
|
||||
/*
|
||||
* VERY IMPORTANT: call XInitThreads() before any other Xlib functions.
|
||||
*/
|
||||
if (!MultiDisplays) {
|
||||
if (!Locking) {
|
||||
threadStat = XInitThreads();
|
||||
if (threadStat) {
|
||||
printf("XInitThreads() returned %d (success)\n",
|
||||
(int) threadStat);
|
||||
}
|
||||
else {
|
||||
printf("XInitThreads() returned 0 "
|
||||
"(failure- this program may fail)\n");
|
||||
}
|
||||
}
|
||||
|
||||
dpy = XOpenDisplay(displayName);
|
||||
if (!dpy) {
|
||||
fprintf(stderr, "Unable to open display %s\n",
|
||||
XDisplayName(displayName));
|
||||
return -1;
|
||||
}
|
||||
egl_dpy = eglGetDisplay(dpy);
|
||||
if (!egl_dpy) {
|
||||
fprintf(stderr, "Unable to get EGL display\n");
|
||||
XCloseDisplay(dpy);
|
||||
return -1;
|
||||
}
|
||||
if (!eglInitialize(egl_dpy, NULL, NULL)) {
|
||||
fprintf(stderr, "Unable to initialize EGL display\n");
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
pthread_mutex_init(&Mutex, NULL);
|
||||
pthread_mutex_init(&CondMutex, NULL);
|
||||
pthread_cond_init(&CondVar, NULL);
|
||||
|
||||
printf("xeglthreads: creating windows\n");
|
||||
|
||||
NumWinThreads = numThreads;
|
||||
|
||||
/* Create the EGL windows and contexts */
|
||||
for (i = 0; i < numThreads; i++) {
|
||||
EGLContext share;
|
||||
|
||||
if (MultiDisplays) {
|
||||
WinThreads[i].Dpy = XOpenDisplay(displayName);
|
||||
assert(WinThreads[i].Dpy);
|
||||
WinThreads[i].Display = eglGetDisplay(WinThreads[i].Dpy);
|
||||
assert(eglInitialize(WinThreads[i].Display, NULL, NULL));
|
||||
}
|
||||
else {
|
||||
WinThreads[i].Dpy = dpy;
|
||||
WinThreads[i].Display = egl_dpy;
|
||||
}
|
||||
WinThreads[i].Index = i;
|
||||
WinThreads[i].Initialized = GL_FALSE;
|
||||
|
||||
share = (Texture && i > 0) ? WinThreads[0].Context : 0;
|
||||
|
||||
create_window(&WinThreads[i], share);
|
||||
}
|
||||
|
||||
printf("xeglthreads: creating threads\n");
|
||||
|
||||
/* Create the threads */
|
||||
for (i = 0; i < numThreads; i++) {
|
||||
pthread_create(&WinThreads[i].Thread, NULL, thread_function,
|
||||
(void*) &WinThreads[i]);
|
||||
printf("xeglthreads: Created thread %p\n",
|
||||
(void *) WinThreads[i].Thread);
|
||||
}
|
||||
|
||||
if (MultiDisplays)
|
||||
event_loop_multi();
|
||||
else
|
||||
event_loop(dpy);
|
||||
|
||||
clean_up();
|
||||
|
||||
if (MultiDisplays) {
|
||||
for (i = 0; i < numThreads; i++) {
|
||||
eglTerminate(WinThreads[i].Display);
|
||||
XCloseDisplay(WinThreads[i].Dpy);
|
||||
}
|
||||
}
|
||||
else {
|
||||
eglTerminate(dpy);
|
||||
XCloseDisplay(dpy);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
#else /* PTHREADS */
|
||||
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
int
|
||||
main(int argc, char *argv[])
|
||||
{
|
||||
printf("Sorry, this program wasn't compiled with PTHREADS defined.\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
#endif /* PTHREADS */
|
||||
Loading…
Add table
Reference in a new issue