tests/shaders/glsl-explicit-location-05.c

   1 /*
   2  * Copyright © 2010 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 DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 /**
  25  * \file glsl-explicit-attrib-location-05.c
  26  * Test GL_ARB_explicit_attrib_location set in only one shader.
  27  *
  28  * Link two vertex shaders.  One has an explicit location for an attribute, and
  29  * the other does not.  Verify that linking is successful and that the attribute
  30  * has the correct location.
  31  *
  32  * \author Ian Romanick
  33  */
  34
  35 #include "piglit-util-gl.h"
  36
  37 PIGLIT_GL_TEST_CONFIG_BEGIN
  38
  39         config.supports_gl_compat_version = 10;
  40
  41         config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
  42
  43 PIGLIT_GL_TEST_CONFIG_END
  44
  45 enum piglit_result
  46 piglit_display(void)
  47 {
  48         return PIGLIT_FAIL;
  49 }
  50
  51 void piglit_init(int argc, char **argv)
  52 {
  53         GLint vert[2];
  54         GLint prog;
  55         GLboolean ok;
  56         GLint loc;
  57
  58         piglit_require_gl_version(20);
  59
  60         piglit_require_extension("GL_ARB_explicit_attrib_location");
  61
  62         vert[0] =
  63                 piglit_compile_shader(GL_VERTEX_SHADER,
  64                                       "shaders/glsl-explicit-location-05a.vert");
  65         vert[1] =
  66                 piglit_compile_shader(GL_VERTEX_SHADER,
  67                                       "shaders/glsl-explicit-location-05b.vert");
  68         prog = glCreateProgram();
  69         glAttachShader(prog, vert[0]);
  70         glAttachShader(prog, vert[1]);
  71         glLinkProgram(prog);
  72
  73         ok = piglit_link_check_status(prog);
  74         if (!ok)
  75                 piglit_report_result(PIGLIT_FAIL);
  76
  77         glDeleteProgram(prog);
  78
  79         prog = glCreateProgram();
  80         glAttachShader(prog, vert[1]);
  81         glAttachShader(prog, vert[0]);
  82         glLinkProgram(prog);
  83
  84         ok = piglit_link_check_status(prog);
  85         if (!ok)
  86                 piglit_report_result(PIGLIT_FAIL);
  87
  88         loc = glGetAttribLocation(prog, "vertex");
  89         if (loc != 0) {
  90                 fprintf(stderr,
  91                         "Expected location of 'vertex' to be 0, got %d "
  92                         "instead.\n", loc);
  93                 piglit_report_result(PIGLIT_FAIL);
  94         }
  95
  96         piglit_report_result(PIGLIT_PASS);
  97 }
  98