tests/fbo/fbo-incomplete-invalid-texture.c

   1 /*
   2  * Copyright © 2013 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
  24 /**
  25  * \file fbo-incomplete-invalid-texture.c
  26  * Try reproducing a segfault in Mesa by attaching a "broken" texture to an
  27  * FBO, the unbind and rebind the FBO.
  28  */
  29
  30 #include "piglit-util-gl.h"
  31
  32 PIGLIT_GL_TEST_CONFIG_BEGIN
  33
  34         config.supports_gl_compat_version = 10;
  35
  36         config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
  37         config.khr_no_error_support = PIGLIT_HAS_ERRORS;
  38
  39 PIGLIT_GL_TEST_CONFIG_END
  40
  41 enum piglit_result
  42 piglit_display(void)
  43 {
  44         return PIGLIT_FAIL;
  45 }
  46
  47 void
  48 piglit_init(int argc, char **argv)
  49 {
  50         bool pass = true;
  51         GLuint tex;
  52         GLuint fbo;
  53         GLenum status;
  54
  55         piglit_require_extension("GL_ARB_framebuffer_object");
  56         piglit_require_extension("GL_ARB_depth_texture");
  57
  58         glGenTextures(1, &tex);
  59         glBindTexture(GL_TEXTURE_2D, tex);
  60         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
  61
  62         glGenFramebuffers(1, &fbo);
  63         glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
  64
  65         /* The format of the pixel data is invalid for the specified
  66          * internalFormat.  This should fail and generate
  67          * GL_INVALID_OPERATION.  This leaves the texture in a weird, broken
  68          * state.
  69          */
  70         glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, 4, 4, 0,
  71                      GL_RGBA, GL_FLOAT, NULL);
  72         if (!piglit_check_gl_error(GL_INVALID_OPERATION)) {
  73                 pass = false;
  74                 goto cleanup;
  75         }
  76
  77         /* Attach the broken texture to the FBO.
  78          */
  79         glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
  80                                GL_TEXTURE_2D, tex, 0);
  81         if (!piglit_check_gl_error(GL_NO_ERROR)) {
  82                 pass = false;
  83                 goto cleanup;
  84         }
  85
  86         /* Unbind and rebind the FBO.  At one point on Mesa this triggered a
  87          * segfault down inside the glBindFramebuffer code.
  88          */
  89         glBindFramebuffer(GL_DRAW_FRAMEBUFFER, piglit_winsys_fbo);
  90         glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
  91
  92         status = glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
  93         if (status != GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT) {
  94                 fprintf(stderr,
  95                         "status was %s (0x%04x), expected %s (0x%04x).\n",
  96                         piglit_get_gl_enum_name(status),
  97                         status,
  98                         "GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT",
  99                         GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT);
 100                 pass = false;
 101                 goto cleanup;
 102         }
 103
 104 cleanup:
 105         glBindTexture(GL_TEXTURE_2D, 0);
 106         glBindFramebuffer(GL_READ_FRAMEBUFFER, piglit_winsys_fbo);
 107
 108         glDeleteTextures(1, &tex);
 109         glDeleteFramebuffers(1, &fbo);
 110
 111         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
 112 }