tests/spec/arb_framebuffer_srgb/pushpop.c

   1 /*
   2  * Copyright © 2011 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
  24 #include "piglit-util-gl.h"
  25
  26 /**
  27  * @file pushpop.c
  28  *
  29  * Tests that GL_FRAMEBUFFER_SRGB is under the color-buffer/enable
  30  * push/pop bits.
  31  */
  32
  33 PIGLIT_GL_TEST_CONFIG_BEGIN
  34
  35         config.supports_gl_compat_version = 10;
  36
  37         config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
  38
  39 PIGLIT_GL_TEST_CONFIG_END
  40
  41 enum piglit_result
  42 piglit_display(void)
  43 {
  44         /* UNREACHED */
  45         return PIGLIT_FAIL;
  46 }
  47
  48 static bool
  49 test_enabled(bool val)
  50 {
  51         GLboolean ret = glIsEnabled(GL_FRAMEBUFFER_SRGB);
  52
  53         if (ret != val) {
  54                 fprintf(stderr,
  55                         "  GL_FRAMEBUFFER_SRGB %d doesn't match expected %d\n",
  56                         ret, val);
  57                 return false;
  58         } else {
  59                 return true;
  60         }
  61 }
  62
  63 static bool
  64 pushpop(GLuint bits, const char *test)
  65 {
  66         bool pushpop_affects = (bits & (GL_ENABLE_BIT |
  67                                         GL_COLOR_BUFFER_BIT)) != 0;
  68         printf("%s test:\n", test);
  69
  70         glEnable(GL_FRAMEBUFFER_SRGB);
  71         glPushAttrib(bits);
  72         glDisable(GL_FRAMEBUFFER_SRGB);
  73         glPopAttrib();
  74
  75         if (!test_enabled(pushpop_affects))
  76                 return false;
  77
  78         /* Now, test the bits the other direction. */
  79         glDisable(GL_FRAMEBUFFER_SRGB);
  80         glPushAttrib(bits);
  81         glEnable(GL_FRAMEBUFFER_SRGB);
  82         glPopAttrib();
  83
  84         return test_enabled(!pushpop_affects);
  85 }
  86
  87 void
  88 piglit_init(int argc, char **argv)
  89 {
  90         bool pass = true;
  91
  92         if (!piglit_is_extension_supported("GL_EXT_framebuffer_sRGB"))
  93                 piglit_require_extension("GL_ARB_framebuffer_sRGB");
  94
  95         pass = pushpop(GL_ENABLE_BIT, "GL_ENABLE_BIT") && pass;
  96         pass = pushpop(GL_COLOR_BUFFER_BIT, "GL_COLOR_BUFFER_BIT") && pass;
  97         pass = pushpop(GL_FOG_BIT, "GL_FOG_BIT") && pass;
  98
  99         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
 100 }