tests/general/dlist-clear.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 dlist-clear.c
  29  *
  30  * Tests that clears and primitives get stored properly in a
  31  * COMPILE_AND_EXECUTE display list.  Caught a regression in the intel driver
  32  * with the new metaops clear code.
  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         GLboolean pass = GL_TRUE;
  49         static float red[]   = {1.0, 0.0, 0.0, 0.0};
  50         static float green[] = {0.0, 1.0, 0.0, 0.0};
  51         static float blue[]  = {0.0, 0.0, 1.0, 0.0};
  52
  53         piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
  54
  55         glClearColor(0.5, 0.0, 0.0, 0.0);
  56         glColor4fv(red);
  57
  58         /* Make a list containing a clear and a rectangle.  It'll draw
  59          * colors we don't expect to see, due to COMPILE_AND_EXECUTE.
  60          */
  61         glNewList(1, GL_COMPILE_AND_EXECUTE);
  62         /* Even though we don't use depth, GL_DEPTH_BUFFER_BIT is what
  63          * triggered the metaops clear path which messed up the display list.
  64          */
  65         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  66         glBegin(GL_QUADS);
  67                 glVertex2f(10, 10);
  68                 glVertex2f(20, 10);
  69                 glVertex2f(20, 20);
  70                 glVertex2f(10, 20);
  71         glEnd();
  72         glEndList();
  73
  74         /* Now, set up our expected colors, translate the dlist's rectangle
  75          * over a little, and do the draw we actually expect to see.
  76          */
  77         glClearColor(0.0, 1.0, 0.0, 0.0);
  78         glColor4fv(blue);
  79
  80         glMatrixMode(GL_MODELVIEW);
  81         glLoadIdentity();
  82         glTranslatef(20, 0, 0);
  83
  84         glCallList(1);
  85
  86         pass &= piglit_probe_rect_rgb(0, 0, piglit_width, 10, green);
  87
  88         pass &= piglit_probe_rect_rgb(0, 10, 30, 10, green);
  89         pass &= piglit_probe_rect_rgb(30, 10, 10, 10, blue);
  90         pass &= piglit_probe_rect_rgb(40, 10, piglit_width-40, 10, green);
  91
  92         pass &= piglit_probe_rect_rgb(0, 20, piglit_width, piglit_height - 20,
  93                                       green);
  94
  95         piglit_present_results();
  96
  97         return pass ? PIGLIT_PASS : PIGLIT_FAIL;
  98 }
  99
 100
 101 void
 102 piglit_init(int argc, char **argv)
 103 {
 104 }