Attachment 11303 Details for Bug 12191 – test case

test case

vp_lg2.c (text/plain), 2.11 KB, created by WuNian on 2007-08-27 19:44:02 UTC

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Creator: WuNian

Created: 2007-08-27 19:44:02 UTC

Size: 2.11 KB

patch

obsolete

>#include <GL/glut.h>
>#include <stdlib.h>
>#include <stdio.h>
>#include <math.h>
>#include <string.h>
>
>#define WINDSIZEX 100
>#define WINDSIZEY 100
>
>void init(void)
>{
>}
>
>static const char progStr[] =
>"!!ARBvp1.0\n\
>ATTRIB ipos = vertex.position;\n\
>\n\
>OUTPUT opos = result.position;\n\
>OUTPUT otex0 = result.texcoord[0];\n\
>\n\
>MOV opos, ipos;\n\
>\n\
># ACTUAL TEST STARTS HERE\n\
>\n\
>PARAM LG2const =  { 1.300000, 1.500000, 1.700000, 9.900000 };\n\
>LG2 otex0, LG2const.x;\n\
>\n\
>END\n\n";
>
>static void test(void)
>{
>    GLuint vpHandle;
>    const   GLsizei FEEDBACK_SIZE = 1024;
>    const   GLenum  FEEDBACK_TYPE = GL_4D_COLOR_TEXTURE;
>    GLfloat buf[1024];
>    GLint   feedbackSize;
>    GLint errorPosition; 
>    GLfloat expected;
>
>    glEnable(GL_VERTEX_PROGRAM_ARB);
>
>    glGenProgramsARB(1, &vpHandle);
>    glBindProgramARB(GL_VERTEX_PROGRAM_ARB, vpHandle);
>
>    glProgramStringARB(GL_VERTEX_PROGRAM_ARB,
>	    GL_PROGRAM_FORMAT_ASCII_ARB,
>	    (GLint) strlen((const char*)progStr), progStr);
>
>    glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorPosition);
>
>    if (errorPosition != -1) {
>	printf("\nERROR loading vertex program!  Error position = %d\n",
>		errorPosition);
>	exit(1);
>    }
>
>    glFeedbackBuffer(FEEDBACK_SIZE, FEEDBACK_TYPE, buf);
>    feedbackSize = glRenderMode(GL_FEEDBACK);
>
>    glBegin( GL_POINTS );
>    glVertex3f(0.25f, 0.25f, 0.0f);
>    glEnd();
>    feedbackSize = glRenderMode(GL_RENDER);
>
>    printf("feedback size: %d\n", feedbackSize);
>    printf("feedback buffer:%f %f %f %f\n", buf[9], buf[10], buf[11], buf[12]);
>    expected = log(1.3) / log(2);
>    printf("it should be: %f\n", expected);
>}
>
>void display(void)
>{
>    glViewport(0, 0, WINDSIZEX, WINDSIZEY);
>    glMatrixMode(GL_PROJECTION);
>    glLoadIdentity();
>    gluOrtho2D(0, WINDSIZEX, 0, WINDSIZEY);
>    glMatrixMode(GL_MODELVIEW);
>    glLoadIdentity();
>
>    test();
>}
>
>int main(int argc, char** argv)
>{
>    glutInit(&argc, argv);
>    glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
>    glutInitWindowSize(WINDSIZEX, WINDSIZEY);
>    glutInitWindowPosition(100, 100);
>    glutCreateWindow(argv[0]);
>    init();
>    glutDisplayFunc(display);
>    glutMainLoop();
>    return 0; 
>}

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Attachments on bug 12191: 11303

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