tests/general/gl30basic.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 gl30basic.c
  26  *
  27  * Test basic GL 3.0 features.
  28  *
  29  * Author:
  30  *    Brian Paul
  31  */
  32
  33
  34 #include "piglit-util-gl.h"
  35
  36 PIGLIT_GL_TEST_CONFIG_BEGIN
  37
  38         config.supports_gl_compat_version = 10;
  39
  40         config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DEPTH | PIGLIT_GL_VISUAL_STENCIL;
  41
  42         config.requires_displayed_window = true;
  43
  44 PIGLIT_GL_TEST_CONFIG_END
  45
  46 static const char *Prog = "gl30basic";
  47
  48
  49
  50 static enum piglit_result
  51 test_version(void)
  52 {
  53    const GLubyte *version = glGetString(GL_VERSION);
  54    GLuint iversion;
  55    GLint major, minor, k;
  56
  57    piglit_require_gl_version(30);
  58
  59    major = version[0] - '0';
  60    minor = version[2] - '0';
  61
  62    iversion = major * 10 + minor;
  63
  64    if (iversion < 30) {
  65       return PIGLIT_SKIP;
  66    }
  67
  68    glGetIntegerv(GL_MAJOR_VERSION, &k);
  69    if (k != major) {
  70       printf("%s: major version mismatch (%d vs. %d)\n", Prog, k, major);
  71       return PIGLIT_FAIL;
  72    }
  73
  74    glGetIntegerv(GL_MINOR_VERSION, &k);
  75    if (k != minor) {
  76       printf("%s: minor version mismatch (%d vs. %d)\n", Prog, k, minor);
  77       return PIGLIT_FAIL;
  78    }
  79
  80    return PIGLIT_PASS;
  81 }
  82
  83
  84 static enum piglit_result
  85 test_extension_list(void)
  86 {
  87    GLint k, num_ext;
  88
  89    glGetIntegerv(GL_NUM_EXTENSIONS, &num_ext);
  90    if (num_ext < 1 || num_ext > 10000) {
  91       printf("%s: unreasonable value for GL_NUM_EXTENSIONS: %d\n", Prog, num_ext);
  92       return PIGLIT_FAIL;
  93    }
  94
  95    /* check that extension strings are reasonable */
  96    for (k = 0; k < num_ext; k++) {
  97       const char *ext = (const char *) glGetStringi(GL_EXTENSIONS, k);
  98       if (0)
  99          printf("Ext[%d] = %s\n", k, ext);
 100
 101       /* In some drivers WGL_EXT_swap_control is in the extension string
 102        * for historical reasons.
 103        */
 104       if (!ext || (strncmp(ext, "GL_", 3) != 0 &&
 105                    strcmp(ext, "WGL_EXT_swap_control") != 0)){
 106          printf("%s: bad extension string [%d]: %s\n", Prog, k, ext);
 107          return PIGLIT_FAIL;
 108       }
 109       if (strchr((char *) ext, ' ')) {
 110          printf("%s: extension string [%d] contains a space: %s\n", Prog, k, ext);
 111          return PIGLIT_FAIL;
 112       }
 113    }
 114
 115    return PIGLIT_PASS;
 116 }
 117
 118
 119 enum piglit_result
 120 test_clearing(void)
 121 {
 122    static const GLfloat purple[] = {1.0, 0.0, 1.0};
 123    static const GLfloat blue[] = {0.0, 0.0, 1.0};
 124    static const GLfloat green[] = {0.0, 1.0, 0.0};
 125    GLenum err;
 126    GLboolean pass = GL_TRUE;
 127
 128    while (glGetError() != GL_NO_ERROR)
 129       ;
 130
 131    /* Front buffer. */
 132    glDrawBuffer(GL_FRONT);
 133    glClearBufferfv(GL_COLOR, 0, purple);
 134    err = glGetError();
 135    if (err) {
 136       printf("%s: glClearBufferfv(GL_FRONT) generated error 0x%x.\n", Prog, err);
 137       return PIGLIT_FAIL;
 138    }
 139
 140    glReadBuffer(GL_FRONT);
 141    if (!piglit_probe_rect_rgb(0, 0, piglit_width, piglit_height, purple)) {
 142       printf("  from glClearBufferfv(GL_FRONT) failed.\n");
 143       pass = GL_FALSE;
 144    }
 145
 146    /* Back buffer. */
 147    glDrawBuffer(GL_BACK);
 148    glClearBufferfv(GL_COLOR, 0, blue);
 149    err = glGetError();
 150    if (err) {
 151       printf("%s: glClearBufferfv(GL_BACK) generated error 0x%x.\n", Prog, err);
 152       return PIGLIT_FAIL;
 153    }
 154
 155    glReadBuffer(GL_BACK);
 156    if (!piglit_probe_rect_rgb(0, 0, piglit_width, piglit_height, blue)) {
 157       printf("  from glClearBufferfv(GL_BACK) failed.\n");
 158       pass = GL_FALSE;
 159    }
 160
 161    /* Front and back buffer. */
 162    glDrawBuffer(GL_FRONT_AND_BACK);
 163    glClearBufferfv(GL_COLOR, 0, green);
 164    err = glGetError();
 165    if (err) {
 166       printf("%s: glClearBufferfv(GL_FRONT_AND_BACK) generated error 0x%x.\n", Prog, err);
 167       return PIGLIT_FAIL;
 168    }
 169
 170    glReadBuffer(GL_FRONT);
 171    if (!piglit_probe_rect_rgb(0, 0, piglit_width, piglit_height, green)) {
 172       printf("  the front buffer from glClearBufferfv(GL_FRONT_AND_BACK) failed.\n");
 173       pass = GL_FALSE;
 174    }
 175
 176    glReadBuffer(GL_BACK);
 177    if (!piglit_probe_rect_rgb(0, 0, piglit_width, piglit_height, green)) {
 178       printf("  the back buffer from glClearBufferfv(GL_FRONT_AND_BACK) failed.\n");
 179       pass = GL_FALSE;
 180    }
 181
 182    /* Depth & Stencil */
 183    glClearBufferfi(GL_DEPTH_STENCIL, 0, 0.5, 3);
 184    err = glGetError();
 185    if (err) {
 186       printf("%s: glClearBufferfi() generated error 0x%x.\n", Prog, err);
 187       return PIGLIT_FAIL;
 188    }
 189
 190    if (!piglit_probe_rect_depth(0, 0, piglit_width, piglit_height, 0.5)) {
 191       printf("  from glClearBufferfi() failed.\n");
 192       pass = GL_FALSE;
 193    }
 194
 195    if (!piglit_probe_rect_stencil(0, 0, piglit_width, piglit_height, 3)) {
 196       printf("  from glClearBufferfi() failed.\n");
 197       pass = GL_FALSE;
 198    }
 199
 200    return pass ? PIGLIT_PASS : PIGLIT_FAIL;
 201 }
 202
 203
 204 enum piglit_result
 205 piglit_display(void)
 206 {
 207    enum piglit_result res;
 208
 209    res = test_version();
 210    if (res != PIGLIT_PASS)
 211       return res;
 212
 213    res = test_extension_list();
 214    if (res != PIGLIT_PASS)
 215       return res;
 216
 217    res = test_clearing();
 218    if (res != PIGLIT_PASS)
 219       return res;
 220
 221    return res;
 222 }
 223
 224
 225
 226 void piglit_init(int argc, char**argv)
 227 {
 228 }