Attachment 118216 Details for Bug 20043 – a version that can be compiled - may be need updates

a version that can be compiled - may be need updates

crash_too_few_vertices.c (text/plain), 2.43 KB, created by marius predut on 2015-09-11 15:49:17 UTC

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Creator: marius predut

Created: 2015-09-11 15:49:17 UTC

Size: 2.43 KB

patch

obsolete

>
>#define GL_GLEXT_PROTOTYPES
>
>#include <GL/gl.h>
>#include <GL/glu.h>
>#include <GL/glut.h>
>
>
>#include <GL/glx.h> // This includes the necessary X headers^M
>#include <GL/gl.h>
>#include <GL/glu.h>
>#define GL_GLEXT_PROTOTYPES
>#include <GL/glext.h>
>#include <EGL/egl.h>
>#include <EGL/eglext.h>
>#include<GLES2/gl2.h>
>
>
>struct Vertex {
>int x;
>int y;
>int tex_x;
>int tex_y;
>} ;
>
>
>void draw (void) {
>
>        struct Vertex vertices[4];
>        GLuint	vbo;
>	GLuint g_textureID;
>
>
>   glGenTextures( 1, &g_textureID );
>   glBindTexture( GL_TEXTURE_2D, g_textureID );
>
>  glEnable(GL_VERTEX_ARRAY);
>    glEnable(GL_TEXTURE_COORD_ARRAY);
>    glEnable(GL_TEXTURE_2D);//tex-.target;
>
>
>        glGenBuffersARB(1, &vbo);
>        glBindBufferARB(GL_ARRAY_BUFFER, vbo);
>
>        vertices[0].x = 10;
>        vertices[0].y = 10;
>        vertices[0].tex_x = 0.0f;
>        vertices[0].tex_y = 0.0f;
>
>        vertices[1].x = 12;
>        vertices[1].y = 12;
>        vertices[1].tex_x = 12;
>        vertices[1].tex_y = 0.0f;
>
>        vertices[2].x = 11;
>        vertices[2].y = 11;
>        vertices[2].tex_x = 11;
>        vertices[2].tex_y = 11;
>
>        vertices[3].x = 11;
>        vertices[3].y = 11;
>        vertices[3].tex_x = 0.0f;
>        vertices[3].tex_y = 11;
>
>       glBufferDataARB(GL_ARRAY_BUFFER,
>                           sizeof(vertices),
>                           vertices,
>                           GL_STATIC_DRAW_ARB);
>
>    
>    //    glBindBufferARB(GL_ARRAY_BUFFER, quad->vbo);
>
>    glBindTexture(GL_TEXTURE_2D, g_textureID);
>    glVertexPointer(2, GL_FLOAT, sizeof(Vertex), (const GLvoid *) 0);
>    glTexCoordPointer(2, GL_FLOAT, sizeof(Vertex), (const GLvoid *) (2 * sizeof(GLfloat)));
>    glDrawArrays(GL_QUADS, 0, 4);
>glFlush ();
>/*
>    glBegin (GL_QUADS);
>    glVertex2f (0, 0);
>    glEnd ();
>    glFlush ();*/
>}
>
>void reshape (int width, int height) {
>    glViewport     (0, 0, width, height);
>    glMatrixMode   (GL_PROJECTION);
>    glLoadIdentity ();
>    glOrtho        (0, width, 0, height, 0, 1);
>    glMatrixMode   (GL_MODELVIEW);
>    glLoadIdentity ();
>    glutPostRedisplay ();
>}
>
>void keyboard (unsigned char key, int x, int y) {
>    exit (0);
>}
>
>int main (int argc, char *argv[]) {
>    glutInitWindowSize  (640, 480);
>    glutInit            (&argc, argv);
>    glutInitDisplayMode (GLUT_RGB);
>    glutCreateWindow    (argv[0]);
>    glutReshapeFunc     (reshape);
>    glutDisplayFunc     (draw);
>    glutKeyboardFunc    (keyboard);
>
>    glutMainLoop        ();
>
>    exit (0);
>}

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Attachments on bug 20043: 33234 | 118216

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