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-gl.h"
  38
  39 PIGLIT_GL_TEST_CONFIG_BEGIN
  40
  41         config.supports_gl_compat_version = 10;
  42
  43         config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
  44         config.khr_no_error_support = PIGLIT_HAS_ERRORS;
  45
  46 PIGLIT_GL_TEST_CONFIG_END
  47
  48 enum piglit_result
  49 piglit_display(void)
  50 {
  51         static const char *badprog =
  52                 "!!ARBvp1.0\n"
  53                 "NOTANOPCODE;\n"
  54                 "MOV result.position, vertex.position;\n";
  55         static const GLfloat vertcoords[4][3] = {
  56                 { -0.25, -0.25, 0 },
  57                 {  0.25, -0.25, 0 },
  58                 {  0.25,  0.25, 0 },
  59                 { -0.25,  0.25, 0 }
  60         };
  61         int failed = 0;
  62         GLenum err;
  63
  64         /* Try the bad vertex program, and make sure we get an error */
  65         glProgramStringARB(GL_VERTEX_PROGRAM_ARB,
  66                            GL_PROGRAM_FORMAT_ASCII_ARB,
  67                            strlen(badprog),
  68                            (const GLubyte *) badprog);
  69
  70         err = glGetError();
  71         if (err != GL_INVALID_OPERATION) {
  72                 printf("Unexpected OpenGL error state %d with bad vertex "
  73                        "program.\n", err);
  74                 printf("Expected: %d\n", GL_INVALID_OPERATION);
  75                 failed++;
  76
  77                 while (err != 0)
  78                         err = glGetError();
  79         }
  80
  81         /* Check that we correctly produce GL_INVALID_OPERATION when rendering
  82          * with an invalid/non-existent program.
  83          */
  84         glBindProgramARB(GL_VERTEX_PROGRAM_ARB, 99);
  85         glEnable(GL_VERTEX_PROGRAM_ARB);
  86
  87         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  88         glBegin(GL_POLYGON);
  89         glTexCoord2f(0, 0);  glVertex2f(-0.25, -0.25);
  90         glTexCoord2f(1, 0);  glVertex2f( 0.25, -0.25);
  91         glTexCoord2f(1, 1);  glVertex2f( 0.25,  0.25);
  92         glTexCoord2f(0, 1);  glVertex2f(-0.25,  0.25);
  93         glEnd();
  94         err = glGetError();
  95
  96         if (err != GL_INVALID_OPERATION) {
  97                 printf("Unexpected OpenGL error state %d in glBegin() "
  98                        "with bad vertex program.\n", err);
  99                 printf("Expected: %d\n", GL_INVALID_OPERATION);
 100                 failed++;
 101
 102                 while (err != 0)
 103                         err = glGetError();
 104         }
 105
 106         /* Check that we correctly produce GL_INVALID_OPERATION when doing
 107          * glDrawArrays with an invalid/non-existent program.
 108          */
 109
 110         glVertexPointer(3, GL_FLOAT, 0, vertcoords);
 111         glEnableClientState(GL_VERTEX_ARRAY);
 112         glDrawArrays(GL_POLYGON, 0, 4);
 113         err = glGetError();
 114         glDisableClientState(GL_VERTEX_ARRAY);
 115
 116         if (err != GL_INVALID_OPERATION) {
 117                 printf("Unexpected OpenGL error state %d in glDrawArrays() "
 118                        "with bad vertex program.\n", err);
 119                 printf("Expected: %d\n", GL_INVALID_OPERATION);
 120                 failed++;
 121
 122                 while (err != 0)
 123                         err = glGetError();
 124         }
 125
 126         return failed ? PIGLIT_FAIL : PIGLIT_PASS;
 127 }
 128
 129 void piglit_init(int argc, char **argv)
 130 {
 131         piglit_automatic = GL_TRUE;
 132
 133         piglit_require_vertex_program();
 134 }