tests/kms_plane.c

   1 /*
   2  * Copyright © 2014 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  * Authors:
  24  *   Damien Lespiau <damien.lespiau@intel.com>
  25  */
  26
  27 #include <errno.h>
  28 #include <stdbool.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31
  32 #include "drmtest.h"
  33 #include "igt_debugfs.h"
  34 #include "igt_kms.h"
  35
  36 typedef struct {
  37         float red;
  38         float green;
  39         float blue;
  40 } color_t;
  41
  42 typedef struct {
  43         int drm_fd;
  44         igt_display_t display;
  45         igt_pipe_crc_t *pipe_crc;
  46 } data_t;
  47
  48 static color_t red   = { 1.0f, 0.0f, 0.0f };
  49 static color_t green = { 0.0f, 1.0f, 0.0f };
  50 static color_t blue  = { 0.0f, 0.0f, 1.0f };
  51
  52 /*
  53  * Common code across all tests, acting on data_t
  54  */
  55 static void test_init(data_t *data, enum pipe pipe)
  56 {
  57         data->pipe_crc = igt_pipe_crc_new(pipe, INTEL_PIPE_CRC_SOURCE_AUTO);
  58 }
  59
  60 static void test_fini(data_t *data)
  61 {
  62         igt_pipe_crc_free(data->pipe_crc);
  63 }
  64
  65 static void
  66 test_grab_crc(data_t *data, igt_output_t *output, color_t *fb_color,
  67               igt_crc_t *crc /* out */)
  68 {
  69         struct igt_fb fb;
  70         drmModeModeInfo *mode;
  71         igt_plane_t *primary;
  72         char *crc_str;
  73
  74         primary = igt_output_get_plane(output, 0);
  75
  76         mode = igt_output_get_mode(output);
  77         igt_create_color_fb(data->drm_fd, mode->hdisplay, mode->vdisplay,
  78                             DRM_FORMAT_XRGB8888,
  79                             false, /* tiled */
  80                             fb_color->red, fb_color->green, fb_color->blue,
  81                             &fb);
  82         igt_plane_set_fb(primary, &fb);
  83
  84         igt_display_commit(&data->display);
  85
  86         igt_pipe_crc_collect_crc(data->pipe_crc, crc);
  87
  88         igt_plane_set_fb(primary, NULL);
  89         igt_display_commit(&data->display);
  90
  91         igt_remove_fb(data->drm_fd, &fb);
  92
  93         crc_str = igt_crc_to_string(crc);
  94         igt_debug("CRC for a (%.02f,%.02f,%.02f) fb: %s\n", fb_color->red,
  95                   fb_color->green, fb_color->blue, crc_str);
  96         free(crc_str);
  97 }
  98
  99 /*
 100  * Plane position test.
 101  *   - We start by grabbing a reference CRC of a full green fb being scanned
 102  *     out on the primary plane
 103  *   - Then we scannout 2 planes:
 104  *      - the primary plane uses a green fb with a black rectangle
 105  *      - a plane, on top of the primary plane, with a green fb that is set-up
 106  *        to cover the black rectangle of the primary plane fb
 107  *     The resulting CRC should be identical to the reference CRC
 108  */
 109
 110 typedef struct {
 111         data_t *data;
 112         igt_crc_t reference_crc;
 113 } test_position_t;
 114
 115 /*
 116  * create a green fb with a black rectangle at (rect_x,rect_y) and of size
 117  * (rect_w,rect_h)
 118  */
 119 static void
 120 create_fb_for_mode__position(data_t *data, drmModeModeInfo *mode,
 121                              double rect_x, double rect_y,
 122                              double rect_w, double rect_h,
 123                              struct igt_fb *fb /* out */)
 124 {
 125         unsigned int fb_id;
 126         cairo_t *cr;
 127
 128         fb_id = igt_create_fb(data->drm_fd,
 129                                   mode->hdisplay, mode->vdisplay,
 130                                   DRM_FORMAT_XRGB8888,
 131                                   false /* tiling */,
 132                                   fb);
 133         igt_assert(fb_id);
 134
 135         cr = igt_get_cairo_ctx(data->drm_fd, fb);
 136         igt_paint_color(cr, 0, 0, mode->hdisplay, mode->vdisplay,
 137                             0.0, 1.0, 0.0);
 138         igt_paint_color(cr, rect_x, rect_y, rect_w, rect_h, 0.0, 0.0, 0.0);
 139         igt_assert(cairo_status(cr) == 0);
 140         cairo_destroy(cr);
 141 }
 142
 143 enum {
 144         TEST_POSITION_FULLY_COVERED = 1 << 0,
 145 };
 146
 147 static void
 148 test_plane_position_with_output(data_t *data,
 149                                 enum pipe pipe,
 150                                 enum igt_plane plane,
 151                                 igt_output_t *output,
 152                                 unsigned int flags)
 153 {
 154         test_position_t test = { .data = data };
 155         igt_plane_t *primary, *sprite;
 156         struct igt_fb primary_fb, sprite_fb;
 157         drmModeModeInfo *mode;
 158         igt_crc_t crc;
 159
 160         igt_info("Testing connector %s using pipe %c plane %d\n",
 161                  igt_output_name(output), pipe_name(pipe), plane);
 162
 163         test_init(data, pipe);
 164
 165         test_grab_crc(data, output, &green, &test.reference_crc);
 166
 167         igt_output_set_pipe(output, pipe);
 168
 169         mode = igt_output_get_mode(output);
 170         primary = igt_output_get_plane(output, 0);
 171         sprite = igt_output_get_plane(output, plane);
 172
 173         create_fb_for_mode__position(data, mode, 100, 100, 64, 64,
 174                                      &primary_fb);
 175         igt_plane_set_fb(primary, &primary_fb);
 176
 177         igt_create_color_fb(data->drm_fd,
 178                                 64, 64, /* width, height */
 179                                 DRM_FORMAT_XRGB8888,
 180                                 false, /* tiled */
 181                                 0.0, 1.0, 0.0,
 182                                 &sprite_fb);
 183         igt_plane_set_fb(sprite, &sprite_fb);
 184
 185         if (flags & TEST_POSITION_FULLY_COVERED)
 186                 igt_plane_set_position(sprite, 100, 100);
 187         else
 188                 igt_plane_set_position(sprite, 132, 132);
 189
 190         igt_display_commit(&data->display);
 191
 192         igt_pipe_crc_collect_crc(data->pipe_crc, &crc);
 193
 194         if (flags & TEST_POSITION_FULLY_COVERED)
 195                 igt_assert(igt_crc_equal(&test.reference_crc, &crc));
 196         else
 197                 igt_assert(!igt_crc_equal(&test.reference_crc, &crc));
 198
 199         igt_plane_set_fb(primary, NULL);
 200         igt_plane_set_fb(sprite, NULL);
 201
 202         /* reset the constraint on the pipe */
 203         igt_output_set_pipe(output, PIPE_ANY);
 204
 205         test_fini(data);
 206 }
 207
 208 static void
 209 test_plane_position(data_t *data, enum pipe pipe, enum igt_plane plane,
 210                     unsigned int flags)
 211 {
 212         igt_output_t *output;
 213
 214         igt_skip_on(pipe >= data->display.n_pipes);
 215         igt_skip_on(plane >= data->display.pipes[pipe].n_planes);
 216
 217         for_each_connected_output(&data->display, output)
 218                 test_plane_position_with_output(data, pipe, plane, output,
 219                                                 flags);
 220 }
 221
 222 /*
 223  * Plane panning test.
 224  *   - We start by grabbing reference CRCs of a full red and a full blue fb
 225  *     being scanned out on the primary plane
 226  *   - Then we create a big fb, sized (2 * hdisplay, 2 * vdisplay) and:
 227  *      - fill the top left quarter with red
 228  *      - fill the bottom right quarter with blue
 229  *   - The TEST_PANNING_TOP_LEFT test makes sure that with panning at (0, 0)
 230  *     we do get the same CRC than the full red fb.
 231  *   - The TEST_PANNING_BOTTOM_RIGHT test makes sure that with panning at
 232  *     (vdisplay, hdisplay) we do get the same CRC than the full blue fb.
 233  */
 234 typedef struct {
 235         data_t *data;
 236         igt_crc_t red_crc, blue_crc;
 237 } test_panning_t;
 238
 239 static void
 240 create_fb_for_mode__panning(data_t *data, drmModeModeInfo *mode,
 241                             struct igt_fb *fb /* out */)
 242 {
 243         unsigned int fb_id;
 244         cairo_t *cr;
 245
 246         fb_id = igt_create_fb(data->drm_fd,
 247                               mode->hdisplay * 2, mode->vdisplay * 2,
 248                               DRM_FORMAT_XRGB8888,
 249                               false /* tiling */,
 250                               fb);
 251         igt_assert(fb_id);
 252
 253         cr = igt_get_cairo_ctx(data->drm_fd, fb);
 254
 255         igt_paint_color(cr, 0, 0, mode->hdisplay, mode->vdisplay,
 256                         1.0, 0.0, 0.0);
 257
 258         igt_paint_color(cr,
 259                         mode->hdisplay, mode->vdisplay,
 260                         mode->hdisplay, mode->vdisplay,
 261                         0.0, 0.0, 1.0);
 262
 263         igt_assert(cairo_status(cr) == 0);
 264         cairo_destroy(cr);
 265 }
 266
 267 enum {
 268         TEST_PANNING_TOP_LEFT     = 1 << 0,
 269         TEST_PANNING_BOTTOM_RIGHT = 1 << 1,
 270 };
 271
 272 static void
 273 test_plane_panning_with_output(data_t *data,
 274                                enum pipe pipe,
 275                                enum igt_plane plane,
 276                                igt_output_t *output,
 277                                unsigned int flags)
 278 {
 279         test_panning_t test = { .data = data };
 280         igt_plane_t *primary;
 281         struct igt_fb primary_fb;
 282         drmModeModeInfo *mode;
 283         igt_crc_t crc;
 284
 285         fprintf(stdout, "Testing connector %s using pipe %c plane %d\n",
 286                 igt_output_name(output), pipe_name(pipe), plane);
 287
 288         test_init(data, pipe);
 289
 290         test_grab_crc(data, output, &red, &test.red_crc);
 291         test_grab_crc(data, output, &blue, &test.blue_crc);
 292
 293         igt_output_set_pipe(output, pipe);
 294
 295         mode = igt_output_get_mode(output);
 296         primary = igt_output_get_plane(output, 0);
 297
 298         create_fb_for_mode__panning(data, mode, &primary_fb);
 299         igt_plane_set_fb(primary, &primary_fb);
 300
 301         if (flags & TEST_PANNING_TOP_LEFT)
 302                 igt_plane_set_panning(primary, 0, 0);
 303         else
 304                 igt_plane_set_panning(primary, mode->hdisplay, mode->vdisplay);
 305
 306         igt_plane_set_position(primary, 0, 0);
 307
 308         igt_display_commit(&data->display);
 309
 310         igt_pipe_crc_collect_crc(data->pipe_crc, &crc);
 311
 312         if (flags & TEST_PANNING_TOP_LEFT)
 313                 igt_assert(igt_crc_equal(&test.red_crc, &crc));
 314         else
 315                 igt_assert(igt_crc_equal(&test.blue_crc, &crc));
 316
 317         igt_plane_set_fb(primary, NULL);
 318
 319         /* reset states to neutral values, assumed by other tests */
 320         igt_output_set_pipe(output, PIPE_ANY);
 321         igt_plane_set_panning(primary, 0, 0);
 322
 323         test_fini(data);
 324 }
 325
 326 static void
 327 test_plane_panning(data_t *data, enum pipe pipe, enum igt_plane plane,
 328             unsigned int flags)
 329 {
 330         igt_output_t *output;
 331
 332         igt_skip_on(pipe >= data->display.n_pipes);
 333         igt_skip_on(plane >= data->display.pipes[pipe].n_planes);
 334
 335         for_each_connected_output(&data->display, output)
 336                 test_plane_panning_with_output(data, pipe, plane, output,
 337                                                 flags);
 338 }
 339
 340 static void
 341 run_tests_for_pipe_plane(data_t *data, enum pipe pipe, enum igt_plane plane)
 342 {
 343         igt_subtest_f("plane-position-covered-pipe-%c-plane-%d",
 344                       pipe_name(pipe), plane)
 345                 test_plane_position(data, pipe, plane,
 346                                     TEST_POSITION_FULLY_COVERED);
 347
 348         igt_subtest_f("plane-position-hole-pipe-%c-plane-%d",
 349                       pipe_name(pipe), plane)
 350                 test_plane_position(data, pipe, plane, 0);
 351
 352         igt_subtest_f("plane-panning-top-left-pipe-%c-plane-%d",
 353                       pipe_name(pipe), plane)
 354                 test_plane_panning(data, pipe, plane, TEST_PANNING_TOP_LEFT);
 355
 356         igt_subtest_f("plane-panning-bottom-right-pipe-%c-plane-%d",
 357                       pipe_name(pipe), plane)
 358                 test_plane_panning(data, pipe, plane,
 359                                    TEST_PANNING_BOTTOM_RIGHT);
 360
 361 }
 362
 363 static void
 364 run_tests_for_pipe(data_t *data, enum pipe pipe)
 365 {
 366         int plane;
 367
 368         for (plane = 1; plane < IGT_MAX_PLANES; plane++)
 369                 run_tests_for_pipe_plane(data, pipe, plane);
 370 }
 371
 372 static data_t data;
 373
 374 igt_main
 375 {
 376
 377         igt_skip_on_simulation();
 378
 379         igt_fixture {
 380                 data.drm_fd = drm_open_any();
 381
 382                 igt_set_vt_graphics_mode();
 383
 384                 igt_require_pipe_crc();
 385                 igt_display_init(&data.display, data.drm_fd);
 386         }
 387
 388         for (int pipe = 0; pipe < 3; pipe++)
 389                 run_tests_for_pipe(&data, pipe);
 390
 391         igt_fixture {
 392                 igt_display_fini(&data.display);
 393         }
 394 }