tests/spec/arb_direct_state_access/get-textures.c

   1 /*
   2  * Copyright 2014 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
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 /** @file get-textures.c
  25  *
  26  * Tests glGetTextureImage to see if it behaves in the expected way,
  27  * throwing the correct errors, etc.
  28  */
  29
  30 #include "piglit-util-gl.h"
  31
  32 PIGLIT_GL_TEST_CONFIG_BEGIN
  33
  34         config.supports_gl_compat_version = 20;
  35         config.supports_gl_core_version = 31;
  36
  37         config.window_visual = PIGLIT_GL_VISUAL_RGBA |
  38                 PIGLIT_GL_VISUAL_DOUBLE;
  39         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  40
  41 PIGLIT_GL_TEST_CONFIG_END
  42
  43 void
  44 piglit_init(int argc, char **argv)
  45 {
  46         piglit_require_extension("GL_ARB_direct_state_access");
  47         piglit_require_extension("GL_ARB_texture_storage");
  48 }
  49
  50 enum piglit_result
  51 piglit_display(void)
  52 {
  53         bool pass = true;
  54         GLuint name;
  55         GLubyte *data = malloc(50 * 50 * 6 * 4 * sizeof(GLubyte));
  56         GLubyte *image = malloc(50 * 50 * 4 * sizeof(GLubyte));
  57
  58         if (piglit_khr_no_error)
  59                 goto valid_call;
  60
  61         /* Throw some invalid inputs at glGetTextureImage. */
  62
  63         /* Non-gen-ed name */
  64         glGetTextureImage(3, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0, data);
  65         pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
  66
  67         /* Unsupported target. */
  68         glGenTextures(1, &name);
  69         glBindTexture(GL_TEXTURE_CUBE_MAP_POSITIVE_X, name);
  70         glGetTextureImage(name, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0, data);
  71         pass = piglit_check_gl_error(GL_INVALID_ENUM) && pass;
  72         glDeleteTextures(1, &name);
  73
  74         /* Unsupported dsa target for non-dsa version. */
  75         glGetTexImage(GL_TEXTURE_CUBE_MAP, 0, GL_RGBA, GL_UNSIGNED_BYTE,
  76                      data);
  77         pass = piglit_check_gl_error(GL_INVALID_ENUM) && pass;
  78
  79         /* No Storage
  80          *
  81          * The spec doesn't say what should happen in this case.  This is
  82          * addressed by Khronos Bug 13223.
  83          */
  84         glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &name);
  85         glGetTextureImage(name, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0, data);
  86         pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
  87         glDeleteTextures(1, &name);
  88
  89         /* Insufficient storage
  90          *
  91          * The spec doesn't say what should happen in this case.  This is
  92          * addressed by Khronos Bug 13223.
  93          */
  94         glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &name);
  95         glBindTexture(GL_TEXTURE_CUBE_MAP, name);
  96         glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0,
  97                      GL_RGBA8, 50, 50, 0, GL_RGBA, GL_UNSIGNED_BYTE, image);
  98         glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0,
  99                      GL_RGBA8, 50, 50, 0, GL_RGBA, GL_UNSIGNED_BYTE, image);
 100         glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0,
 101                      GL_RGBA8, 50, 50, 0, GL_RGBA, GL_UNSIGNED_BYTE, image);
 102         /* Note: GL_TEXTURE_CUBE_MAP_NEGATIVE_Y not set */
 103         glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0,
 104                      GL_RGBA8, 50, 50, 0, GL_RGBA, GL_UNSIGNED_BYTE, image);
 105         glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0,
 106                      GL_RGBA8, 50, 50, 0, GL_RGBA, GL_UNSIGNED_BYTE, image);
 107         glGetTextureImage(name, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0, data);
 108         pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
 109         glDeleteTextures(1, &name);
 110
 111 valid_call:
 112         /* Trivial, but should work. */
 113         glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &name);
 114         glTextureStorage2D(name, 1, GL_RGBA8, 50, 50);
 115         glGetTextureImage(name, 0, GL_RGBA, GL_UNSIGNED_BYTE,
 116                           50 * 50 * 6 * 4, data);
 117         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
 118
 119         free(data);
 120         free(image);
 121
 122         return pass ? PIGLIT_PASS : PIGLIT_FAIL;
 123 }
 124