tests/spec/arb_blend_func_extended/api/builtins.c

   1 /*
   2  * Copyright (c) 2015 Ryan Houdek <Sonicadvance1@gmail.com>
   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 #include "piglit-util-gl.h"
  25
  26 PIGLIT_GL_TEST_CONFIG_BEGIN
  27
  28         config.supports_gl_es_version = 20;
  29         config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
  30         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  31
  32 PIGLIT_GL_TEST_CONFIG_END
  33
  34 bool compile_simple_program(const char* vs_text, const char* fs_text)
  35 {
  36         GLuint vs;
  37         GLuint fs;
  38         GLuint prog;
  39         bool status;
  40
  41         prog = glCreateProgram();
  42
  43         vs = piglit_compile_shader_text_nothrow(GL_VERTEX_SHADER, vs_text);
  44         fs = piglit_compile_shader_text_nothrow(GL_FRAGMENT_SHADER, fs_text);
  45
  46         if (!vs || !fs)
  47                 return false;
  48
  49         glAttachShader(prog, vs);
  50         glAttachShader(prog, fs);
  51         glLinkProgram(prog);
  52
  53         status = piglit_link_check_status(prog);
  54         glDeleteProgram(prog);
  55         return status;
  56 }
  57
  58 enum piglit_result
  59 piglit_display(void)
  60 {
  61         return PIGLIT_FAIL;
  62 }
  63
  64 void piglit_init(int argc, char **argv)
  65 {
  66         bool pass = true;
  67         char fs_text[256];
  68
  69         piglit_require_extension("GL_EXT_blend_func_extended");
  70
  71         static const char *vs_text =
  72                 "#version 100\n"
  73                 "void main() {\n"
  74                 "        gl_Position = vec4(0);\n"
  75                 "}\n"
  76                 ;
  77
  78         static const char *fs_template =
  79                 "#version 100\n"
  80                 "#extension GL_EXT_blend_func_extended : enable\n"
  81                 "void main() {\n"
  82                 "       %s = vec4(0);\n"
  83                 "       %s = vec4(0);\n"
  84                 "}\n"
  85                 ;
  86
  87         // Tests that should pass
  88         // Regular FragColor
  89         snprintf(fs_text, 256, fs_template,
  90                  "gl_FragColor",
  91                    "gl_SecondaryFragColorEXT");
  92         pass = compile_simple_program(vs_text, fs_text) && pass;
  93
  94         // Regular FragData
  95         snprintf(fs_text, 256, fs_template,
  96                  "gl_FragData[0]",
  97                    "gl_SecondaryFragDataEXT[0]");
  98         pass = compile_simple_program(vs_text, fs_text) && pass;
  99
 100         // Tests that should fail
 101         // FragColor & SecondaryFragData
 102         snprintf(fs_text, 256, fs_template,
 103                  "gl_FragColor",
 104                    "gl_SecondaryFragDataEXT[0]");
 105         pass = !compile_simple_program(vs_text, fs_text) && pass;
 106
 107         // FragData & SecondaryFragColor
 108         snprintf(fs_text, 256, fs_template,
 109                  "gl_FragData[0]",
 110                    "gl_SecondaryFragColorEXT");
 111         pass = !compile_simple_program(vs_text, fs_text) && pass;
 112
 113         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
 114
 115 }