Attachment 94169 Details for Bug 75061 – program which seg fault.

program which seg fault.

main.cpp (text/plain), 2.19 KB, created by Maxim on 2014-02-16 17:22:00 UTC

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Description:

Filename:

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Creator: Maxim

Created: 2014-02-16 17:22:00 UTC

Size: 2.19 KB

patch

obsolete

>#include <vector>
>#include <GL/glew.h>
>#include <GLFW/glfw3.h>
>#include <ctime>
>#include <cstdlib>
>#include <thread>
>
>using namespace std;
>
>bool exit_thread;
>
>void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
>{
>    if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
>        glfwSetWindowShouldClose(window, GL_TRUE);
>}
>
>// reload shared VBO with random data every second
>void MyThread( GLFWwindow* win, GLuint vbo )
>{
>    glfwMakeContextCurrent( win );
>    glewInit();
>    srand(time(NULL));
>    while( !exit_thread )
>    {
>        float temp[ 512 ];
>        for( size_t i = 0; i < 512; i+=2 )
>        {
>            temp[ i+0 ] = rand() % 600;
>            temp[ i+1 ] = rand() % 600;
>        }
>
>        glBindBuffer( GL_ARRAY_BUFFER, vbo );
>        glBufferData( GL_ARRAY_BUFFER, sizeof( float ) * 512, temp, GL_DYNAMIC_DRAW );
>        glBindBuffer( GL_ARRAY_BUFFER, 0 );
>        glFinish();
>    }
>}
>
>int main( int argc, char** argv )
>{
>    if( !glfwInit() )
>        return -1;
>
>    glfwWindowHint( GLFW_VISIBLE, GL_FALSE );
>    GLFWwindow* threadWin = glfwCreateWindow( 1, 1, "Thread Window", NULL, NULL );
>    glfwWindowHint( GLFW_VISIBLE, GL_TRUE );
>    GLFWwindow* window = glfwCreateWindow( 600, 600, "Hello World", NULL, threadWin );
>    glfwMakeContextCurrent( window );
>    glewInit();
>    glfwSetKeyCallback(window,key_callback);
>    GLuint vbo;
>    glGenBuffers( 1, &vbo );
>    thread aThread( MyThread, threadWin, vbo );
>    glMatrixMode( GL_PROJECTION );
>    glLoadIdentity();
>    glOrtho( 0, 600, 0, 600, -1, 1 );
>    glMatrixMode( GL_MODELVIEW );
>    glLoadIdentity();
>    GLfloat red[] = { 1.0f, 0.0f, 0.0f, 1.0f };
>    while( !glfwWindowShouldClose( window ) )
>    {
>        glClear( GL_COLOR_BUFFER_BIT );
>        glEnableClientState( GL_VERTEX_ARRAY );
>        glBindBuffer( GL_ARRAY_BUFFER, vbo );
>        glVertexPointer( 2, GL_FLOAT, 0, 0 );
>        glColor3ub( rand() % 256, rand() % 256, rand() % 256 );
>        glDrawArrays( GL_LINES, 0, 256 );
>        glBindBuffer( GL_ARRAY_BUFFER, 0 );
>        glDisableClientState( GL_VERTEX_ARRAY );
>
>        glfwSwapBuffers( window );
>        glfwPollEvents();
>    }
>    exit_thread = 1;
>    aThread.join();
>
>    glfwTerminate();
>    return 0;
>}
>

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Attachments on bug 75061: 94169 | 94275 | 94276 | 94277 | 94321 | 94418 | 94419 | 94422 | 95375 | 95378

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