tests/texturing/streaming-texture-leak.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 streaming-texture-leak.c
  29  *
  30  * Tests that allocating and freeing textures over and over doesn't OOM
  31  * the system due to various refcounting issues drivers may have.
  32  *
  33  * Textures used are around 4MB, and we make 5k of them, so OOM-killer
  34  * should catch any failure.
  35  *
  36  * Bug #23530
  37  */
  38
  39 #include "piglit-util-gl.h"
  40
  41 PIGLIT_GL_TEST_CONFIG_BEGIN
  42
  43         config.supports_gl_compat_version = 10;
  44
  45         config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
  46         config.window_width = 10;
  47         config.window_height = 10;
  48
  49         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  50
  51 PIGLIT_GL_TEST_CONFIG_END
  52
  53 #define TEX_SIZE 1024
  54 static int tex_buffer[TEX_SIZE * TEX_SIZE];
  55
  56 enum piglit_result
  57 piglit_display(void)
  58 {
  59         GLboolean pass = GL_TRUE;
  60         GLuint texture;
  61         int i;
  62         float expected[4] = {0.0, 1.0, 0.0, 0.0};
  63
  64         for (i = 0; i < 5000; i++) {
  65                 glGenTextures(1, &texture);
  66                 glBindTexture(GL_TEXTURE_2D, texture);
  67
  68                 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
  69                                 GL_LINEAR);
  70                 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
  71                                 GL_LINEAR);
  72                 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEX_SIZE, TEX_SIZE,
  73                              0, GL_RGBA,
  74                              GL_UNSIGNED_BYTE, tex_buffer);
  75
  76                 piglit_draw_rect_tex(0, 0, piglit_width, piglit_height,
  77                                      0, 0, 1, 1);
  78
  79                 glDeleteTextures(1, &texture);
  80         }
  81
  82         pass = piglit_probe_pixel_rgb(piglit_width / 2, piglit_height / 2,
  83                                       expected);
  84
  85         piglit_present_results();
  86
  87         return pass ? PIGLIT_PASS : PIGLIT_FAIL;
  88 }
  89
  90 void
  91 piglit_init(int argc, char **argv)
  92 {
  93         int i;
  94
  95         piglit_automatic = GL_TRUE;
  96         piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
  97
  98         for (i = 0; i < TEX_SIZE * TEX_SIZE; i++)
  99                 tex_buffer[i] = 0x0000ff00;
 100
 101         glEnable(GL_TEXTURE_2D);
 102 }