tests/spec/arb_shader_objects/delete-repeat.c

   1 /* Copyright © 2011 Intel Corporation
   2  *
   3  * Permission is hereby granted, free of charge, to any person obtaining a
   4  * copy of this software and associated documentation files (the "Software"),
   5  * to deal in the Software without restriction, including without limitation
   6  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   7  * and/or sell copies of the Software, and to permit persons to whom the
   8  * Software is furnished to do so, subject to the following conditions:
   9  *
  10  * The above copyright notice and this permission notice (including the next
  11  * paragraph) shall be included in all copies or substantial portions of the
  12  * Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  20  * IN THE SOFTWARE.
  21  */
  22
  23 #include "piglit-util-gl.h"
  24
  25 /**
  26  * @file delete-repeat.c
  27  *
  28  * Tests that refcounting of deleted shader objects is correct when
  29  * glDeleteProgram() is called multiple times.
  30  */
  31
  32 PIGLIT_GL_TEST_CONFIG_BEGIN
  33
  34         config.supports_gl_compat_version = 10;
  35
  36         config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
  37
  38         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  39
  40 PIGLIT_GL_TEST_CONFIG_END
  41
  42 static const char *vs_source =
  43         "void main()\n"
  44         "{"
  45         "       gl_Position = gl_Vertex;\n"
  46         "}\n";
  47
  48 static const char *fs_source =
  49         "void main()\n"
  50         "{"
  51         "       gl_FragColor = vec4(0.0, 1.0, 0.0, 0.0);\n"
  52         "}\n";
  53
  54 enum piglit_result
  55 piglit_display(void)
  56 {
  57         bool pass = true;
  58         GLuint prog;
  59         float green[] = {0.0, 1.0, 0.0, 0.0};
  60         GLint status;
  61
  62         /* Initial buffer clear. */
  63         glClearColor(1.0, 0.0, 0.0, 0.0);
  64         glClear(GL_COLOR_BUFFER_BIT);
  65
  66         prog = piglit_build_simple_program(vs_source, fs_source);
  67
  68         glUseProgram(prog);
  69         glDeleteProgram(prog);
  70
  71         /* Try to blow out the refcount */
  72         glDeleteProgram(prog);
  73         glDeleteProgram(prog);
  74         glDeleteProgram(prog);
  75
  76         /* Sanity check: deleting didn't already unbind our shader program. */
  77         piglit_draw_rect(-1, -1, 2, 2);
  78         pass = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height,
  79                                       green) && pass;
  80
  81         /* The program should still report being deleted. */
  82         glGetProgramiv(prog, GL_DELETE_STATUS, &status);
  83         if (!piglit_check_gl_error(0))
  84                 piglit_report_result(PIGLIT_FAIL);
  85         if (status != GL_TRUE) {
  86                 fprintf(stderr,
  87                         "GL_DELETE_STATUS after a clear reported non-true %d\n",
  88                         status);
  89                 pass = false;
  90         }
  91
  92         /* Now, disable the program and it should be finally deleted. */
  93         glUseProgram(0);
  94
  95         if (!piglit_khr_no_error) {
  96                 glGetProgramiv(prog, GL_DELETE_STATUS, &status);
  97                 pass = piglit_check_gl_error(GL_INVALID_VALUE) && pass;
  98         }
  99
 100         piglit_present_results();
 101
 102         return pass ? PIGLIT_PASS : PIGLIT_FAIL;
 103 }
 104
 105 void
 106 piglit_init(int argc, char **argv)
 107 {
 108         piglit_require_vertex_shader();
 109         piglit_require_fragment_shader();
 110 }