tests/fbo/fbo-blit-check-limits.c

   1 /*
   2  * Copyright (C) 2018 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-blit-check-limits.c
  26  *
  27  * Test FBO blits with different possible buffer sizes
  28  * Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108088
  29  * Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=110239
  30  *
  31  * \author Vadym Shovkoplias <vadym.shovkoplias@globallogic.com>
  32  * \author Sergii Romantsov <sergii.romantsov@globallogic.com>
  33  */
  34
  35 #include "piglit-util-gl.h"
  36
  37 #define FB_SIZE 160
  38
  39 PIGLIT_GL_TEST_CONFIG_BEGIN
  40
  41         config.supports_gl_compat_version = 10;
  42
  43         config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGB;
  44         config.requires_displayed_window = true;
  45         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  46         config.window_width = FB_SIZE;
  47         config.window_height = FB_SIZE;
  48
  49 PIGLIT_GL_TEST_CONFIG_END
  50
  51
  52 typedef struct _rgba {
  53         float r;
  54         float g;
  55         float b;
  56         float a;
  57 } rgba;
  58
  59 // Yellow - back buffer left side color
  60 #define BACK1_R 1.0f
  61 #define BACK1_G 1.0f
  62 #define BACK1_B 0.0f
  63 static const rgba BACK1 = { BACK1_R, BACK1_G, BACK1_B, 1.0f };
  64
  65 // Green - back buffer right side color
  66 #define BACK2_R 0.0f
  67 #define BACK2_G 1.0f
  68 #define BACK2_B 0.0f
  69 static const rgba BACK2 = { BACK2_R, BACK2_G, BACK2_B, 1.0f };
  70
  71 // Red - front buffer color
  72 #define FRONT_R 1.0f
  73 #define FRONT_G 0.0f
  74 #define FRONT_B 0.0f
  75 static const rgba FRONT = { FRONT_R, FRONT_G, FRONT_B, 1.0f };
  76
  77 typedef struct _fb_data {
  78         int read;
  79         int write;
  80         rgba color_lb;
  81         rgba color_lt;
  82         rgba color_right;
  83 } fb_data;
  84
  85 static const fb_data fb_params[] = {
  86         { .read = 0, .write = 0,
  87                 .color_lb  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
  88                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
  89                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
  90         },
  91         { .read = 0, .write = FB_SIZE,
  92                 .color_lb  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
  93                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
  94                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
  95         },
  96         { .read = 0, .write = FB_SIZE << 1,
  97                 .color_lb  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
  98                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
  99                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 100         },
 101         { .read = 0, .write = INT_MAX,
 102                 .color_lb  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 103                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 104                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 105         },
 106
 107         { .read = 1, .write = FB_SIZE,
 108                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 109                 .color_lt  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 110                 .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 111         },
 112         { .read = 1, .write = INT_MAX,
 113                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 114                 .color_lt  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 115                 .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 116         },
 117
 118         { .read = FB_SIZE >> 2, .write = 0,
 119                 .color_lb  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 120                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 121                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 122         },
 123         { .read = FB_SIZE >> 2, .write = FB_SIZE << 1,
 124                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 125                 .color_lt  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 126                 .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 127         },
 128         { .read = FB_SIZE >> 2, .write = FB_SIZE,
 129                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 130                 .color_lt  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 131                 .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 132         },
 133         { .read = FB_SIZE >> 2, .write = 0x7ffffff,
 134                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 135                 .color_lt  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 136                 .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 137         },
 138         { .read = FB_SIZE >> 2, .write = INT_MAX,
 139                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 140                 .color_lt  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 141                 .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 142         },
 143
 144         { .read = FB_SIZE >> 1, .write = 1,
 145                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 146                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 147                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 148         },
 149         { .read = FB_SIZE >> 1, .write = 2,
 150                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 151                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 152                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 153         },
 154         { .read = FB_SIZE >> 1, .write = FB_SIZE >> 1,
 155                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 156                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 157                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 158         },
 159         { .read = FB_SIZE >> 1, .write = FB_SIZE,
 160                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 161                 .color_lt  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 162                 .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 163         },
 164         { .read = FB_SIZE >> 1, .write = 0x7ffffff,
 165                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 166                 .color_lt  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 167                 .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 168         },
 169         { .read = FB_SIZE >> 1, .write = INT_MAX,
 170                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 171                 .color_lt  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 172                 .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 173         },
 174
 175         { .read = FB_SIZE, .write = 0,
 176                 .color_lb  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 177                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 178                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 179         },
 180         { .read = FB_SIZE, .write = 1,
 181                 .color_lb  = { BACK2_R, BACK2_G, BACK2_B, 1.0f },
 182                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 183                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 184         },
 185         { .read = FB_SIZE, .write = 2,
 186                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 187                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 188                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 189         },
 190         { .read = FB_SIZE, .write = FB_SIZE >> 1,
 191                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 192                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 193                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 194         },
 195         { .read = FB_SIZE, .write = FB_SIZE,
 196                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 197                 .color_lt  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 198                 .color_right = { BACK2_R, BACK2_G, BACK2_B, 1.0f },
 199         },
 200         { .read = FB_SIZE, .write = 0x7ffffff,
 201                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 202                 .color_lt  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 203                 .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 204         },
 205         { .read = FB_SIZE, .write = INT_MAX,
 206                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 207                 .color_lt  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 208                 .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 209         },
 210
 211         { .read = INT_MIN, .write = 1,
 212                 .color_lb  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 213                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 214                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 215         },
 216         { .read = INT_MIN, .write = 2,
 217                 .color_lb  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 218                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 219                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 220         },
 221         { .read = INT_MIN, .write = INT_MIN,
 222                 .color_lb  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 223                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 224                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 225         },
 226         { .read = INT_MIN, .write = 0x7ffffff,
 227                 .color_lb  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 228                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 229                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 230         },
 231         { .read = INT_MIN, .write = INT_MAX,
 232                 .color_lb  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 233                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 234                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 235         },
 236
 237         { .read = -FB_SIZE, .write = -FB_SIZE,
 238                 .color_lb  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 239                 .color_lt  = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 240                 .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f },
 241         },
 242
 243         { .read = INT_MAX, .write = INT_MAX,
 244                 .color_lb  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 245                 .color_lt  = { BACK1_R, BACK1_G, BACK1_B, 1.0f },
 246                 .color_right = { BACK2_R, BACK2_G, BACK2_B, 1.0f },
 247         },
 248 };
 249
 250 static bool draw(const fb_data *const sizes)
 251 {
 252         bool success = 1;
 253
 254         glDrawBuffer(GL_BACK);
 255         /* back buffer right side green */
 256         glClearColor(BACK2.r, BACK2.g, BACK2.b, BACK2.a);
 257         glClear(GL_COLOR_BUFFER_BIT);
 258
 259         /* back buffer left side yellow */
 260         glColor4f(BACK1.r, BACK1.g, BACK1.b, BACK1.a);
 261         piglit_draw_rect(-1.0, -1.0, 1.0, 2.0);
 262
 263         glDrawBuffer(GL_FRONT);
 264         /* front buffer red */
 265         glClearColor(FRONT.r, FRONT.g, FRONT.b, FRONT.a);
 266         glClear(GL_COLOR_BUFFER_BIT);
 267
 268         glReadBuffer(GL_BACK);
 269
 270         glBlitFramebufferEXT(0, 0, sizes->read, sizes->read,
 271                              0, 0, sizes->write, sizes->write,
 272                              GL_COLOR_BUFFER_BIT, GL_NEAREST);
 273
 274         glReadBuffer(GL_FRONT);
 275
 276         success &= piglit_probe_pixel_rgb(0, 0, (float*)(&sizes->color_lb));
 277         success &= piglit_probe_pixel_rgb(FB_SIZE - 1, 0, (float*)(&sizes->color_right));
 278         success &= piglit_probe_pixel_rgb(0, FB_SIZE - 1, (float*)(&sizes->color_lt));
 279         success &= piglit_probe_pixel_rgb(FB_SIZE - 1, FB_SIZE - 1, (float*)(&sizes->color_right));
 280
 281         if (!success)
 282                 fprintf(stderr, "Failed blit src(0,0;%d,%d) - dst(0,0;%d,%d)\n",
 283                         sizes->read, sizes->read, sizes->write, sizes->write);
 284
 285         glFlush();
 286         return success;
 287 }
 288
 289 enum piglit_result piglit_display(void)
 290 {
 291         bool success = 1;
 292         for (int i = 0; i < sizeof(fb_params) / sizeof(fb_params[0]); ++i)
 293         {
 294                 success &= draw(&fb_params[i]);
 295         }
 296         return success ? PIGLIT_PASS : PIGLIT_FAIL;
 297 }
 298
 299 void piglit_init(int argc, char **argv)
 300 {
 301         piglit_require_extension("GL_EXT_framebuffer_object");
 302         piglit_require_extension("GL_EXT_framebuffer_blit");
 303 }