tests/spec/arb_depth_clamp/depth-clamp-status.c

   1 /**
   2  * Copyright © 2013 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 /**
  25  * Test that GL_DEPTH_CLAMP is a valid state
  26  *
  27  * Table 6.8 (Transformation state) of OpenGL 3.2 Core added DEPTH_CLAMP
  28  *
  29  */
  30
  31 #include "piglit-util-gl.h"
  32
  33 PIGLIT_GL_TEST_CONFIG_BEGIN
  34
  35         config.supports_gl_compat_version = 32;
  36         config.supports_gl_core_version = 32;
  37
  38 PIGLIT_GL_TEST_CONFIG_END
  39
  40 void
  41 piglit_init(int argc, char **argv)
  42 {
  43         bool pass = true;
  44         GLint i;
  45         GLfloat f;
  46         GLboolean b;
  47         GLdouble d;
  48
  49         /* Check that GL_DEPTH_CLAMP was initialized to TRUE */
  50         if (glIsEnabled(GL_DEPTH_CLAMP)) {
  51                 printf("GL_DEPTH_CLAMP was not initialized to FALSE\n");
  52                 pass = false;
  53         }
  54         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  55
  56         /* Test that GL_DEPTH_CLAMP is enable/disabled correctly */
  57         glEnable(GL_DEPTH_CLAMP);
  58         if (!glIsEnabled(GL_DEPTH_CLAMP)) {
  59                 printf("GL_DEPTH_CLAMP was not enabled properly\n");
  60                 pass = false;
  61         }
  62         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  63
  64         glDisable(GL_DEPTH_CLAMP);
  65         if (glIsEnabled(GL_DEPTH_CLAMP)) {
  66                 printf("GL_DEPTH_CLAMP was not disabled properly\n");
  67                 pass = false;
  68         }
  69         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  70
  71         /* Test that GL_DEPTH_CLAMP disabled is returned from glGet calls */
  72         glGetIntegerv(GL_DEPTH_CLAMP, &i);
  73         if(i != 0) {
  74                 printf("i expected to be 0, but returned %d\n", i);
  75                 pass = false;
  76         }
  77         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  78         glGetFloatv(GL_DEPTH_CLAMP, &f);
  79         if(f != 0.0f) {
  80                 printf("f expected to be 0.0, but returned %f\n", f);
  81                 pass = false;
  82         }
  83         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  84         glGetBooleanv(GL_DEPTH_CLAMP, &b);
  85         if(b != GL_FALSE) {
  86                 printf("b expected to be 0, but returned %d\n", (int)b);
  87                 pass = false;
  88         }
  89         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  90         glGetDoublev(GL_DEPTH_CLAMP, &d);
  91         if(d != 0.0) {
  92                 printf("d expected to be 0.0, but returned %f\n", d);
  93                 pass = false;
  94         }
  95         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  96
  97         /* Test that GL_DEPTH_CLAMP enabled is returned from glGet calls */
  98         glEnable(GL_DEPTH_CLAMP);
  99
 100         glGetIntegerv(GL_DEPTH_CLAMP, &i);
 101         if(i != 1) {
 102                 printf("i expected to be 1, but returned %d\n", i);
 103                 pass = false;
 104         }
 105         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
 106         glGetFloatv(GL_DEPTH_CLAMP, &f);
 107         if(f != 1.0f) {
 108                 printf("f expected to be 1.0, but returned %f\n", f);
 109                 pass = false;
 110         }
 111         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
 112         glGetBooleanv(GL_DEPTH_CLAMP, &b);
 113         if(b != GL_TRUE) {
 114                 printf("b expected to be 1, but returned %d\n", (int)b);
 115                 pass = false;
 116         }
 117         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
 118         glGetDoublev(GL_DEPTH_CLAMP, &d);
 119         if(d != 1.0) {
 120                 printf("d expected to be 1.0, but returned %f\n", d);
 121                 pass = false;
 122         }
 123         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
 124
 125         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
 126 }
 127
 128 enum piglit_result
 129 piglit_display(void)
 130 {
 131         return PIGLIT_FAIL;
 132 }