tests/spec/ext_external_objects/helpers.c

   1 /*
   2  * Copyright © 2020 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  * Author:
  24  *    Eleni Maria Stea <estea@igalia.com>
  25  *    Tapani Pälli <tapani.palli@intel.com>
  26  */
  27
  28 #include "helpers.h"
  29
  30 char*
  31 load_shader(const char *shader_file,
  32             unsigned int *size)
  33 {
  34         static char filepath[4096];
  35         if (!shader_file)
  36                 return NULL;
  37
  38         piglit_join_paths(filepath, sizeof(filepath), 5,
  39                           piglit_source_dir(),
  40                           "tests",
  41                           "spec",
  42                           "ext_external_objects",
  43                           shader_file);
  44         char *result =
  45                 piglit_load_text_file(filepath, size);
  46
  47         if (!result)
  48                 fprintf(stderr, "Failed to load shader source [%s].\n", filepath);
  49
  50         return result;
  51 }
  52
  53 bool
  54 check_bound_fbo_status(void)
  55 {
  56         GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
  57         if (status != GL_FRAMEBUFFER_COMPLETE) {
  58                 fprintf(stderr, "GL FBO status: %s\n", piglit_get_gl_enum_name(status));
  59                 return false;
  60         }
  61         return true;
  62 }
  63
  64 bool
  65 dump_image_rgba(const char *fname,
  66                 int w, int h,
  67                 unsigned char *data)
  68 {
  69         FILE *fp;
  70         int i;
  71
  72         if (!(fp = fopen(fname, "wb"))) {
  73                 fprintf(stderr, "Failed to open file: %s.\n", fname);
  74                 return false;
  75         }
  76
  77         fprintf(fp, "P3\n%d %d\n255\n", w, h);
  78         for (i = 0; i < w * h; i++) {
  79                 fprintf(fp, "%d %d %d\n", data[0], data[1], data[2]);
  80                 data += 4;
  81         }
  82         fclose(fp);
  83         return true;
  84 }