Attachment 9762 Details for Bug 10786 – test case

test case

fptex_915.c (text/plain), 2.56 KB, created by WuNian on 2007-04-27 21:53:05 UTC

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Creator: WuNian

Created: 2007-04-27 21:53:05 UTC

Size: 2.56 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
>
>#define SIZEW 4
>#define TSIZE 4
>
>// Draw function used by many test casses
>static void
>DrawTex ()
>{
>  glBegin (GL_QUADS);
>  glTexCoord3f (0.0, 0.0, 0);
>  glVertex2i (0, 0);
>  glTexCoord3f (1.0, 0.0, 0);
>  glVertex2i (0, 1);
>  glTexCoord3f (1.0, 1.0, 0);
>  glVertex2i (SIZEW, 1);
>  glTexCoord3f (0.0, 1.0, 0);
>  glVertex2i (SIZEW, 0);
>  glEnd ();
>}
>
>void
>init (void)
>{
>  glClearColor (1, 1, 1, 1);
>  glClear (GL_COLOR_BUFFER_BIT);
>  glShadeModel (GL_FLAT);
>  glDisable (GL_DITHER);
>  glBlendFunc (GL_ZERO, GL_SRC_ALPHA);
>}
>
>static void
>test (void)
>{
>  GLfloat *buf;
>  char cmd1[1024] =
>    "!!ARBfp1.0\nOUTPUT tempout = result.color;\nTEX  tempout.rb, fragment.texcoord.yxzw, texture, 1D;\n\nEND\n";
>  GLuint programName;
>
>  GLfloat texImage1D[TSIZE];
>  int i;
>
>  glTexParameteri (GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
>  glTexParameteri (GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
>  glTexParameteri (GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_CLAMP);
>
>  //Make texture
>  for (i = 0; i < TSIZE; i++)
>    {
>      texImage1D[i] = 0.6;	//random(0.0, 1.0);
>    }
>
>  glTexImage1D (GL_TEXTURE_1D, 0, GL_RGBA, TSIZE,
>		0, GL_RGBA, GL_FLOAT, texImage1D);
>
>///////////////////////////////
>
>  glGenProgramsARB (1, &programName);
>  // bind a program to the name
>  glBindProgramARB (GL_FRAGMENT_PROGRAM_ARB, programName);
>  ///////////////////////////////////////
>  glProgramStringARB (GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
>		      (GLint) strlen (cmd1), cmd1);
>  if (glGetError () == GL_INVALID_OPERATION)
>    {
>      printf ("\nError loading program: check the error\n%s",
>	      glGetString (GL_PROGRAM_ERROR_STRING_ARB));
>      exit (1);
>    }
>  glEnable (GL_FRAGMENT_PROGRAM_ARB);
>
>  glClear (GL_COLOR_BUFFER_BIT);
>  DrawTex (GL_TEXTURE_1D);
>
>  buf = (GLfloat *) malloc (TSIZE * sizeof (GLfloat) * 3);
>  glReadPixels (0, 0, TSIZE, 1, GL_RGB, GL_FLOAT, buf);
>  printf ("draw pixel at (0, 0): %f %f %f\n", buf[0], buf[1], buf[2]);
>}
>
>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 10786: 9762

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