tests/shaders/vp-bad-program.c

   1 /*
   2  * Copyright © 2008 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *    Eric Anholt <eric@anholt.net>
  25  *
  26  */
  27
  28 /**
  29  * @file vp-bad-program.c
  30  *
  31  * Tests that the driver reports errors correctly (and doesn't crash) when
  32  * fed a bad vertex program.
  33  *
  34  * Wine likes to do that to us to see how strict we are on the VP language.
  35  */
  36
  37 #include "piglit-util.h"
  38
  39 int piglit_width = 128, piglit_height = 128;
  40 int piglit_window_mode = GLUT_RGB | GLUT_DOUBLE;
  41
  42 enum piglit_result
  43 piglit_display(void)
  44 {
  45         static const char *badprog =
  46                 "!!ARBvp1.0\n"
  47                 "NOTANOPCODE;\n"
  48                 "MOV result.position, vertex.position;\n";
  49         static const GLfloat vertcoords[4][3] = {
  50                 { -0.25, -0.25, 0 },
  51                 {  0.25, -0.25, 0 },
  52                 {  0.25,  0.25, 0 },
  53                 { -0.25,  0.25, 0 }
  54         };
  55         int failed = 0;
  56         GLenum err;
  57
  58         /* Try the bad vertex program, and make sure we get an error */
  59         glProgramStringARB(GL_VERTEX_PROGRAM_ARB,
  60                            GL_PROGRAM_FORMAT_ASCII_ARB,
  61                            strlen(badprog),
  62                            (const GLubyte *) badprog);
  63
  64         err = glGetError();
  65         if (err != GL_INVALID_OPERATION) {
  66                 printf("Unexpected OpenGL error state %d with bad vertex "
  67                        "program.\n", err);
  68                 printf("Expected: %d\n", GL_INVALID_OPERATION);
  69                 failed++;
  70
  71                 while (err != 0)
  72                         err = glGetError();
  73         }
  74
  75         /* Check that we correctly produce GL_INVALID_OPERATION when rendering
  76          * with an invalid/non-existant program.
  77          */
  78         glBindProgramARB(GL_VERTEX_PROGRAM_ARB, 99);
  79         glEnable(GL_VERTEX_PROGRAM_ARB);
  80
  81         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  82         glBegin(GL_POLYGON);
  83         glTexCoord2f(0, 0);  glVertex2f(-0.25, -0.25);
  84         glTexCoord2f(1, 0);  glVertex2f( 0.25, -0.25);
  85         glTexCoord2f(1, 1);  glVertex2f( 0.25,  0.25);
  86         glTexCoord2f(0, 1);  glVertex2f(-0.25,  0.25);
  87         glEnd();
  88         err = glGetError();
  89
  90         if (err != GL_INVALID_OPERATION) {
  91                 printf("Unexpected OpenGL error state %d in glBegin() "
  92                        "with bad vertex program.\n", err);
  93                 printf("Expected: %d\n", GL_INVALID_OPERATION);
  94                 failed++;
  95
  96                 while (err != 0)
  97                         err = glGetError();
  98         }
  99
 100         /* Check that we correctly produce GL_INVALID_OPERATION when doing
 101          * glDrawArrays with an invalid/non-existant program.
 102          */
 103
 104         glVertexPointer(3, GL_FLOAT, 0, vertcoords);
 105         glEnableClientState(GL_VERTEX_ARRAY);
 106         glDrawArrays(GL_POLYGON, 0, 4);
 107         err = glGetError();
 108         glDisableClientState(GL_VERTEX_ARRAY);
 109
 110         if (err != GL_INVALID_OPERATION) {
 111                 printf("Unexpected OpenGL error state %d in glDrawArrays() "
 112                        "with bad vertex program.\n", err);
 113                 printf("Expected: %d\n", GL_INVALID_OPERATION);
 114                 failed++;
 115
 116                 while (err != 0)
 117                         err = glGetError();
 118         }
 119
 120         return failed ? PIGLIT_FAILURE : PIGLIT_SUCCESS;
 121 }
 122
 123 void piglit_init(int argc, char **argv)
 124 {
 125         piglit_automatic = GL_TRUE;
 126
 127         piglit_require_vertex_program();
 128 }