tests/general/vbo-subdata-sync.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
  21  * DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *    Ben Holmes <shranzel@hotmail.com>
  25  *    Eric Anholt <eric@anholt.net>
  26  */
  27
  28 /** @file vbo-subdata-sync
  29  *
  30  * Test for synchronizing behavior of glBufferSubDataARB, bug #23857.
  31  */
  32
  33 #include "piglit-util-gl.h"
  34
  35 PIGLIT_GL_TEST_CONFIG_BEGIN
  36
  37         config.supports_gl_compat_version = 10;
  38
  39         config.window_width = 400;
  40         config.window_height = 300;
  41         config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
  42         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  43
  44 PIGLIT_GL_TEST_CONFIG_END
  45
  46 static GLuint vbo;
  47
  48 void
  49 piglit_init(int argc, char **argv)
  50 {
  51         piglit_require_extension("GL_ARB_vertex_buffer_object");
  52
  53         piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
  54
  55         glGenBuffersARB(1, &vbo);
  56         glBindBufferARB(GL_ARRAY_BUFFER_ARB, vbo);
  57 }
  58
  59 enum piglit_result
  60 piglit_display(void)
  61 {
  62         GLfloat white[4] = {1.0, 1.0, 1.0, 0.0};
  63         GLboolean pass = GL_TRUE;
  64         GLfloat varray1[12] = {175, 125, 0,
  65                                175, 175, 0,
  66                                125, 125, 0,
  67                                125, 175, 0};
  68         GLfloat varray2[12] = {275, 125, 0,
  69                                275, 175, 0,
  70                                225, 125, 0,
  71                                225, 175, 0};
  72         GLenum err;
  73
  74         glBindBufferARB(GL_ARRAY_BUFFER_ARB, vbo);
  75
  76         glEnableClientState(GL_VERTEX_ARRAY);
  77         glVertexPointer(3, GL_FLOAT, 0, 0);
  78
  79         glBufferDataARB(GL_ARRAY_BUFFER_ARB, 12 * sizeof(GLfloat),
  80                         varray1, GL_DYNAMIC_DRAW);
  81
  82         glClear(GL_COLOR_BUFFER_BIT);
  83         glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
  84
  85         glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, 12 * sizeof(GLfloat),
  86                            varray2);
  87
  88         glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
  89
  90         if ((err = glGetError()) != 0) {
  91                 printf("gl error: 0x%08x\n", err);
  92                 pass = GL_FALSE;
  93         }
  94
  95         pass = pass && piglit_probe_pixel_rgb(250, 150, white);
  96         pass = pass && piglit_probe_pixel_rgb(150, 150, white);
  97
  98         piglit_present_results();
  99
 100         glDisableClientState(GL_VERTEX_ARRAY);
 101
 102         return pass ? PIGLIT_PASS : PIGLIT_FAIL;
 103 }