tests/general/oes-read-format.c

   1 /*
   2  * Copyright © 2009 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  * Authors:
  24  *    Eric Anholt <eric@anholt.net>
  25  *
  26  */
  27
  28 /** @file oes-read-format.c
  29  *
  30  * Tests that GL_OES_read_format works and returns a set of parameters valid
  31  * for ReadPixels.
  32  */
  33
  34 #include "piglit-util-gl.h"
  35
  36 PIGLIT_GL_TEST_CONFIG_BEGIN
  37
  38         config.supports_gl_compat_version = 10;
  39
  40         config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
  41
  42 PIGLIT_GL_TEST_CONFIG_END
  43
  44 enum piglit_result
  45 piglit_display(void)
  46 {
  47         GLboolean pass = GL_TRUE;
  48         static float green[] = {0.0, 1.0, 0.0, 0.0};
  49         uint32_t vals[4];
  50         GLint format, type;
  51
  52         glColor4fv(green);
  53         piglit_draw_rect(0, 0, piglit_width, piglit_height);
  54
  55         glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES, &format);
  56         glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_TYPE_OES, &type);
  57
  58         glReadPixels(1, 1, 1, 1, format, type, vals);
  59
  60         pass = glGetError() == 0;
  61
  62         piglit_present_results();
  63
  64         return pass ? PIGLIT_PASS : PIGLIT_FAIL;
  65 }
  66
  67
  68 static void reshape(int width, int height)
  69 {
  70         piglit_width = width;
  71         piglit_height = height;
  72
  73         piglit_ortho_projection(width, height, GL_FALSE);
  74 }
  75
  76 void
  77 piglit_init(int argc, char **argv)
  78 {
  79         reshape(piglit_width, piglit_height);
  80         piglit_require_extension("GL_OES_read_format");
  81 }