tests/spec/arb_viewport_array/queries.c

   1 /*
   2  * Copyright © 2013 LunarG, 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  * Author: Jon Ashburn <jon@lunarg.com>
  24  */
  25 /**
  26  * Test valid  and invalid queries using glGetFloati_v and glGetDoublei_v.
  27  * NOTE: "index" parameter validity is tested in the depthrange-indices
  28  * and viewport-indices tests for the glGet*i_v(). The "bounds" test
  29  * does test some valid queries using glGet*i_v().
  30  * Also test GL_SCISSOR_TEST default value and settable value can be
  31  * correctly queried.
  32  */
  33
  34 #include "piglit-util-gl.h"
  35
  36 PIGLIT_GL_TEST_CONFIG_BEGIN
  37
  38         config.supports_gl_compat_version = 32;
  39         config.supports_gl_core_version = 32;
  40         config.supports_gl_es_version = 31;
  41
  42         config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
  43         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  44
  45 PIGLIT_GL_TEST_CONFIG_END
  46
  47 enum piglit_result
  48 piglit_display(void)
  49 {
  50         return PIGLIT_FAIL;
  51 }
  52
  53 void
  54 piglit_init(int argc, char **argv)
  55 {
  56         bool pass = true;
  57         GLint maxVP;
  58         GLboolean scEnabled;
  59 #ifdef PIGLIT_USE_OPENGL
  60         GLdouble vald[4] = {0.0, 0.0, 0.0, 0.0};
  61 #endif
  62         GLfloat valf[4] = {0.0, 0.0, 0.0, 0.0};
  63         GLint vali[4] = {0, 0, 0, 0};
  64         int i;
  65         const GLenum tokens[] = {GL_MAX_VIEWPORTS, GL_VIEWPORT_SUBPIXEL_BITS,
  66                            GL_VIEWPORT_BOUNDS_RANGE, GL_LAYER_PROVOKING_VERTEX,
  67                            GL_VIEWPORT_INDEX_PROVOKING_VERTEX};
  68         const GLenum indexedTokens[] = {GL_VIEWPORT, GL_DEPTH_RANGE,
  69                                         GL_SCISSOR_BOX};
  70
  71 #ifdef PIGLIT_USE_OPENGL
  72         piglit_require_extension("GL_ARB_viewport_array");
  73 #else
  74         piglit_require_extension("GL_OES_viewport_array");
  75 #endif
  76
  77         glGetIntegerv(GL_MAX_VIEWPORTS, &maxVP);
  78
  79         if (!piglit_khr_no_error) {
  80                 /**
  81                  * Test for invalid (non-indexed "pname") parameters with
  82                  * GetFloati_v and GetDoublei_v
  83                  * NOTE: "index" parameter validity is tested in the
  84                  * depthrange-indices and viewport-indices tests.
  85                  * OpenGL 4.3 Core section 22.1 ref:
  86                  *     "An INVALID_ENUM error is generated if target is not
  87                  *     indexed state queriable with these commands."
  88                  */
  89                 for (i = 0; i < ARRAY_SIZE(tokens); i++) {
  90                         glGetFloati_v(tokens[i], 1, valf);
  91                         pass = piglit_check_gl_error(GL_INVALID_ENUM) && pass;
  92 #ifdef PIGLIT_USE_OPENGL
  93                         glGetDoublei_v(tokens[i], 1, vald);
  94                         pass = piglit_check_gl_error(GL_INVALID_ENUM) && pass;
  95 #endif
  96                 }
  97         }
  98
  99         /**
 100          * Test default value for SCISSOR_TEST via query.
 101          * OpenGL 4.3 Core section 13.6.1 ref:
 102          *    "Initially, the scissor test is disabled for all viewports."
 103          */
 104         for (i = 0; i < maxVP; i++) {
 105                 scEnabled = glIsEnabledi(GL_SCISSOR_TEST, i);
 106                 if (scEnabled == GL_TRUE) {
 107                         printf("scissor test default value wrong for idx %d\n",
 108                                i);
 109                         pass = false;
 110                 }
 111         }
 112         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
 113
 114         /**
 115          * Test settable value for SCISSOR_TEST can be queried
 116          */
 117         /* first setup initial values */
 118         for (i = 0; i < maxVP; i++) {
 119                 scEnabled = i & 0x1;
 120                 if (scEnabled)
 121                         glEnablei(GL_SCISSOR_TEST, i);
 122                 else
 123                         glDisablei(GL_SCISSOR_TEST, i);
 124         }
 125         /* test can query these values */
 126         for (i = 0; i < maxVP; i++) {
 127                 scEnabled = i & 0x1;
 128                 if (scEnabled != glIsEnabledi(GL_SCISSOR_TEST, i)) {
 129                         pass = false;
 130                         printf("Wrong queried value for GL_SCISSOR_TEST, idx=%d\n",
 131                                i);
 132                 }
 133         }
 134
 135         /**
 136          * Test for valid "pname" parameter used with various forms of glGet.
 137          * return the same data.
 138          */
 139         glViewport(1, 2, 30, 40);
 140 #ifdef PIGLIT_USE_OPENGL
 141         glDepthRange(0.25, 0.75);
 142 #else
 143         glDepthRangef(0.25, 0.75);
 144 #endif
 145         glScissor(3, 4, 50, 60);
 146         for (i =0; i < ARRAY_SIZE(indexedTokens); i++) {
 147                 glGetFloati_v(indexedTokens[i], 1, valf);
 148 #ifdef PIGLIT_USE_OPENGL
 149                 glGetDoublei_v(indexedTokens[i], 1, vald);
 150                 if (valf[0] != vald[0] || valf[1] != vald[1] ||
 151                     valf[2] != vald[2] || valf[3] != vald[3]) {
 152                         pass = false;
 153                         printf("mismatched valf and vald for %s\n",
 154                                piglit_get_gl_enum_name(indexedTokens[i]));
 155                         printf("valf[0-3]= %f %f %f %f\n", valf[0], valf[1],
 156                                valf[2], valf[3]);
 157                         printf("vald[0-3] = %f %f %f %f\n", vald[0], vald[1],
 158                                vald[2], vald[3]);
 159                 }
 160 #endif
 161                 glGetIntegeri_v(indexedTokens[i], 1, vali);
 162                 if ((int) (valf[0] + 0.5) != vali[0] ||
 163                     (int) (valf[1] + 0.5) != vali[1] ||
 164                     (int) (valf[2] + 0.5) != vali[2] ||
 165                     (int) (valf[3] + 0.5) != vali[3]) {
 166                         pass = false;
 167                         printf("mismatched valf and vali for %s\n",
 168                                piglit_get_gl_enum_name(indexedTokens[i]));
 169                         printf("valf[0-3]= %f %f %f %f\n", valf[0], valf[1],
 170                                valf[2], valf[3]);
 171                         printf("vali[0-3] = %d %d %d %d\n", vali[0], vali[1],
 172                                vali[2], vali[3]);
 173                 }
 174         }
 175         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
 176
 177         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
 178 }