tests/spec/ext_texture_swizzle/api.c

   1 /*
   2  * Copyright © 2014 VMware, 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
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 /*
  25  * Test GL_EXT_texture_swizzle API functions.
  26  * Brian Paul
  27  * 24 April 2014
  28  */
  29
  30
  31 #include "piglit-util-gl.h"
  32
  33 PIGLIT_GL_TEST_CONFIG_BEGIN
  34         config.supports_gl_compat_version = 12;
  35         config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
  36         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  37 PIGLIT_GL_TEST_CONFIG_END
  38
  39
  40 static bool
  41 test_get(GLenum pname, GLint expected)
  42 {
  43         GLint val;
  44
  45         glGetTexParameteriv(GL_TEXTURE_2D, pname, &val);
  46
  47         if (val != expected) {
  48                 printf("glGetTexParameteriv(%s) returned %s instead of %s\n",
  49                        piglit_get_gl_enum_name(pname),
  50                        piglit_get_gl_enum_name(val),
  51                        piglit_get_gl_enum_name(expected));
  52                 return false;
  53         }
  54
  55         return true;
  56 }
  57
  58
  59 static bool
  60 test_api(void)
  61 {
  62         static const GLint swz[4] = { GL_BLUE, GL_GREEN, GL_ALPHA, GL_ZERO };
  63         GLint swzOut[4];
  64
  65         if (!piglit_khr_no_error) {
  66                 /* test bad param value */
  67                 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R_EXT, GL_RGBA);
  68                 if (!piglit_check_gl_error(GL_INVALID_ENUM))
  69                         return false;
  70         }
  71
  72         /* test good param values */
  73         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R_EXT, GL_ONE);
  74         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_G_EXT, GL_ZERO);
  75         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B_EXT, GL_RED);
  76         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A_EXT, GL_BLUE);
  77
  78         if (!piglit_check_gl_error(GL_NO_ERROR))
  79                 return false;
  80
  81         if (!test_get(GL_TEXTURE_SWIZZLE_R_EXT, GL_ONE))
  82                 return false;
  83
  84         if (!test_get(GL_TEXTURE_SWIZZLE_G_EXT, GL_ZERO))
  85                 return false;
  86
  87         if (!test_get(GL_TEXTURE_SWIZZLE_B_EXT, GL_RED))
  88                 return false;
  89
  90         if (!test_get(GL_TEXTURE_SWIZZLE_A_EXT, GL_BLUE))
  91                 return false;
  92
  93         /* set all at once */
  94         glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_RGBA_EXT, swz);
  95
  96         if (!piglit_check_gl_error(GL_NO_ERROR))
  97                 return false;
  98
  99         glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_RGBA_EXT, swzOut);
 100         if (swzOut[0] != swz[0] ||
 101             swzOut[1] != swz[1] ||
 102             swzOut[2] != swz[2] ||
 103             swzOut[3] != swz[3]) {
 104                 printf("glGetTexParameteriv(GL_TEXTURE_SWIZZLE_RGBA_EXT) failed\n");
 105                 return false;
 106         }
 107
 108         return true;
 109 }
 110
 111
 112 enum piglit_result
 113 piglit_display(void)
 114 {
 115         /* UNREACHED */
 116         return PIGLIT_FAIL;
 117 }
 118
 119
 120 void
 121 piglit_init(int argc, char **argv)
 122 {
 123         bool p;
 124
 125         piglit_require_extension("GL_EXT_texture_swizzle");
 126
 127         p = test_api();
 128         piglit_report_result(p ? PIGLIT_PASS : PIGLIT_FAIL);
 129 }