tests/spec/arb_texture_storage_multisample/tex-storage.c

   1 /*
   2  * Copyright © 2013 Chris Forbes
   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
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23 #include "piglit-util-gl.h"
  24
  25 PIGLIT_GL_TEST_CONFIG_BEGIN
  26
  27         config.supports_gl_compat_version = 30;
  28
  29         config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
  30
  31         config.khr_no_error_support = PIGLIT_HAS_ERRORS;
  32
  33 PIGLIT_GL_TEST_CONFIG_END
  34
  35 enum piglit_result
  36 piglit_display(void)
  37 {
  38         return PIGLIT_FAIL;
  39 }
  40
  41 static void
  42 check_zero_texture(void)
  43 {
  44         /* attempting to call TexStorage*Multisample on the zero texture
  45          * must fail with INVALID_OPERATION
  46          */
  47
  48         glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, 0);
  49         glTexStorage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE,
  50                                   4, GL_RGBA8, 64, 64, GL_TRUE);
  51
  52         piglit_report_subtest_result(
  53                 piglit_check_gl_error(GL_INVALID_OPERATION) ? PIGLIT_PASS : PIGLIT_FAIL,
  54                 "zero-texture");
  55 }
  56
  57 static void
  58 check_unsized_format(void)
  59 {
  60         /* attempting to call TexStorage*Multisample with an unsized internalformat
  61          * must fail with INVALID_ENUM
  62          */
  63
  64         GLuint tex;
  65         glGenTextures(1, &tex);
  66         glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, tex);
  67
  68         glTexStorage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE,
  69                                   4, GL_RGBA, 64, 64, GL_TRUE);
  70
  71         /* unsized formats may not be used with TexStorage* */
  72         piglit_report_subtest_result(
  73                 piglit_check_gl_error(GL_INVALID_ENUM) ? PIGLIT_PASS : PIGLIT_FAIL,
  74                 "unsized-format");
  75 }
  76
  77 static void
  78 check_immutable(void)
  79 {
  80         GLuint tex;
  81         GLint param;
  82         GLint max_samples;
  83
  84         glGetIntegerv(GL_MAX_COLOR_TEXTURE_SAMPLES, &max_samples);
  85
  86         glGenTextures(1, &tex);
  87         glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, tex);
  88
  89         /* specify storage for the texture, and mark it immutable-format */
  90         glTexStorage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE,
  91                                   max_samples, GL_RGBA8, 64, 64, GL_TRUE);
  92
  93         if (!piglit_check_gl_error(GL_NO_ERROR)) {
  94                 piglit_report_subtest_result(PIGLIT_FAIL, "immutable");
  95                 return;
  96         }
  97
  98         /* should now have TEXTURE_IMMUTABLE_FORMAT */
  99         glGetTexParameteriv(GL_TEXTURE_2D_MULTISAMPLE,
 100                             GL_TEXTURE_IMMUTABLE_FORMAT, &param);
 101
 102         if (!piglit_check_gl_error(GL_NO_ERROR)) {
 103                 printf("failed to fetch texture parameter TEXTURE_IMMUTABLE_FORMAT\n");
 104                 piglit_report_subtest_result(PIGLIT_FAIL, "immutable");
 105                 return;
 106         }
 107
 108         if (param != GL_TRUE) {
 109                 printf("expected TEXTURE_IMMUTABLE_FORMAT to be true, got %d\n", param);
 110                 piglit_report_subtest_result(PIGLIT_FAIL, "immutable");
 111                 return;
 112         }
 113
 114         /* calling TexStorage2DMultisample again on the same texture should fail */
 115         glTexStorage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE,
 116                                   max_samples, GL_RGBA8, 32, 32, GL_TRUE);
 117
 118         if (!piglit_check_gl_error(GL_INVALID_OPERATION)) {
 119                 printf("expected respecifying an immutable-format texture (with TexStorage*Multisample) to fail\n");
 120                 piglit_report_subtest_result(PIGLIT_FAIL, "immutable");
 121                 return;
 122         }
 123
 124         /* calling TexImage2DMultisample should fail too */
 125         glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE,
 126                                 max_samples, GL_RGBA8, 32, 32, GL_TRUE);
 127
 128         if (!piglit_check_gl_error(GL_INVALID_OPERATION)) {
 129                 printf("expected respecifying an immutable-format texture (with TexImage*Multisample) to fail\n");
 130                 piglit_report_subtest_result(PIGLIT_FAIL, "immutable");
 131                 return;
 132         }
 133
 134         piglit_report_subtest_result(PIGLIT_PASS, "immutable");
 135 }
 136
 137
 138 void
 139 piglit_init(int argc, char **argv)
 140 {
 141         piglit_require_extension("GL_ARB_texture_storage_multisample");
 142
 143         check_zero_texture();
 144         check_immutable();
 145         check_unsized_format();
 146
 147         piglit_report_result(PIGLIT_SKIP);
 148 }