tests/general/longprim.c

   1 /*
   2  * Copyright (c) 2010 VMware, Inc.
   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
  24 /**
  25  * @file longprim.c
  26  *
  27  * Test primitive with many vertices.  Just don't crash.
  28  * Brian Paul
  29  */
  30
  31 #include "piglit-util-gl.h"
  32
  33 PIGLIT_GL_TEST_CONFIG_BEGIN
  34
  35         config.supports_gl_compat_version = 10;
  36
  37         config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
  38         config.window_width = 10;
  39         config.window_height = 10;
  40
  41 PIGLIT_GL_TEST_CONFIG_END
  42
  43 static const char *TestName = "longprim";
  44
  45
  46 static const GLenum primTypes[] = {
  47    GL_POINTS,
  48    GL_LINES,
  49    GL_LINE_LOOP,
  50    GL_LINE_STRIP,
  51    GL_TRIANGLES,
  52    GL_TRIANGLE_STRIP,
  53    GL_TRIANGLE_FAN,
  54    GL_QUADS,
  55    GL_QUAD_STRIP,
  56    GL_POLYGON
  57 };
  58
  59
  60 static void
  61 draw(GLenum mode, GLuint numVerts)
  62 {
  63    GLuint i;
  64
  65    glBegin(mode);
  66    for (i = 0; i < numVerts; i++) {
  67       float x = 0.025 * (rand() % 2000 - 1000);
  68       float y = 0.025 * (rand() % 2000 - 1000);
  69       glVertex2f(x, y);
  70    }
  71    glEnd();
  72 }
  73
  74 static void
  75 test_prims(void)
  76 {
  77    GLuint len, prim;
  78
  79    for (len = 1000; len <= 1000 * 1000; len *= 10) {
  80       for (prim = 0; prim < ARRAY_SIZE(primTypes); prim++) {
  81          if (!piglit_automatic)
  82             printf("%s: %s %u vertices\n", TestName,
  83                    piglit_get_prim_name(prim), len);
  84          glClear(GL_COLOR_BUFFER_BIT);
  85          draw(primTypes[prim], len);
  86          piglit_present_results();
  87       }
  88    }
  89 }
  90
  91
  92 enum piglit_result
  93 piglit_display(void)
  94 {
  95    test_prims();
  96    return PIGLIT_PASS;
  97 }
  98
  99
 100 void
 101 piglit_init(int argc, char**argv)
 102 {
 103    glOrtho(-100.0, 100.0, -100.0, 100.0, -1.0, 1.0);
 104    glShadeModel(GL_FLAT);
 105 }