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, enum pipe pipe,
  67               color_t *fb_color, 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         igt_output_set_pipe(output, pipe);
  75
  76         primary = igt_output_get_plane(output, 0);
  77
  78         mode = igt_output_get_mode(output);
  79         igt_create_color_fb(data->drm_fd, mode->hdisplay, mode->vdisplay,
  80                             DRM_FORMAT_XRGB8888,
  81                             false, /* tiled */
  82                             fb_color->red, fb_color->green, fb_color->blue,
  83                             &fb);
  84         igt_plane_set_fb(primary, &fb);
  85
  86         igt_display_commit(&data->display);
  87
  88         igt_pipe_crc_collect_crc(data->pipe_crc, crc);
  89
  90         igt_plane_set_fb(primary, NULL);
  91         igt_display_commit(&data->display);
  92
  93         igt_remove_fb(data->drm_fd, &fb);
  94
  95         crc_str = igt_crc_to_string(crc);
  96         igt_debug("CRC for a (%.02f,%.02f,%.02f) fb: %s\n", fb_color->red,
  97                   fb_color->green, fb_color->blue, crc_str);
  98         free(crc_str);
  99 }
 100
 101 /*
 102  * Plane position test.
 103  *   - We start by grabbing a reference CRC of a full green fb being scanned
 104  *     out on the primary plane
 105  *   - Then we scannout 2 planes:
 106  *      - the primary plane uses a green fb with a black rectangle
 107  *      - a plane, on top of the primary plane, with a green fb that is set-up
 108  *        to cover the black rectangle of the primary plane fb
 109  *     The resulting CRC should be identical to the reference CRC
 110  */
 111
 112 typedef struct {
 113         data_t *data;
 114         igt_crc_t reference_crc;
 115 } test_position_t;
 116
 117 /*
 118  * create a green fb with a black rectangle at (rect_x,rect_y) and of size
 119  * (rect_w,rect_h)
 120  */
 121 static void
 122 create_fb_for_mode__position(data_t *data, drmModeModeInfo *mode,
 123                              double rect_x, double rect_y,
 124                              double rect_w, double rect_h,
 125                              struct igt_fb *fb /* out */)
 126 {
 127         unsigned int fb_id;
 128         cairo_t *cr;
 129
 130         fb_id = igt_create_fb(data->drm_fd,
 131                                   mode->hdisplay, mode->vdisplay,
 132                                   DRM_FORMAT_XRGB8888,
 133                                   false /* tiling */,
 134                                   fb);
 135         igt_assert(fb_id);
 136
 137         cr = igt_get_cairo_ctx(data->drm_fd, fb);
 138         igt_paint_color(cr, 0, 0, mode->hdisplay, mode->vdisplay,
 139                             0.0, 1.0, 0.0);
 140         igt_paint_color(cr, rect_x, rect_y, rect_w, rect_h, 0.0, 0.0, 0.0);
 141         igt_assert(cairo_status(cr) == 0);
 142         cairo_destroy(cr);
 143 }
 144
 145 enum {
 146         TEST_POSITION_FULLY_COVERED = 1 << 0,
 147 };
 148
 149 static void
 150 test_plane_position_with_output(data_t *data,
 151                                 enum pipe pipe,
 152                                 enum igt_plane plane,
 153                                 igt_output_t *output,
 154                                 unsigned int flags)
 155 {
 156         test_position_t test = { .data = data };
 157         igt_plane_t *primary, *sprite;
 158         struct igt_fb primary_fb, sprite_fb;
 159         drmModeModeInfo *mode;
 160         igt_crc_t crc;
 161
 162         igt_info("Testing connector %s using pipe %c plane %d\n",
 163                  igt_output_name(output), pipe_name(pipe), plane);
 164
 165         test_init(data, pipe);
 166
 167         test_grab_crc(data, output, pipe, &green, &test.reference_crc);
 168
 169         igt_output_set_pipe(output, pipe);
 170
 171         mode = igt_output_get_mode(output);
 172         primary = igt_output_get_plane(output, 0);
 173         sprite = igt_output_get_plane(output, plane);
 174
 175         create_fb_for_mode__position(data, mode, 100, 100, 64, 64,
 176                                      &primary_fb);
 177         igt_plane_set_fb(primary, &primary_fb);
 178
 179         igt_create_color_fb(data->drm_fd,
 180                                 64, 64, /* width, height */
 181                                 DRM_FORMAT_XRGB8888,
 182                                 false, /* tiled */
 183                                 0.0, 1.0, 0.0,
 184                                 &sprite_fb);
 185         igt_plane_set_fb(sprite, &sprite_fb);
 186
 187         if (flags & TEST_POSITION_FULLY_COVERED)
 188                 igt_plane_set_position(sprite, 100, 100);
 189         else
 190                 igt_plane_set_position(sprite, 132, 132);
 191
 192         igt_display_commit(&data->display);
 193
 194         igt_pipe_crc_collect_crc(data->pipe_crc, &crc);
 195
 196         if (flags & TEST_POSITION_FULLY_COVERED)
 197                 igt_assert(igt_crc_equal(&test.reference_crc, &crc));
 198         else
 199                 igt_assert(!igt_crc_equal(&test.reference_crc, &crc));
 200
 201         igt_plane_set_fb(primary, NULL);
 202         igt_plane_set_fb(sprite, NULL);
 203
 204         /* reset the constraint on the pipe */
 205         igt_output_set_pipe(output, PIPE_ANY);
 206
 207         test_fini(data);
 208 }
 209
 210 static void
 211 test_plane_position(data_t *data, enum pipe pipe, enum igt_plane plane,
 212                     unsigned int flags)
 213 {
 214         igt_output_t *output;
 215
 216         igt_skip_on(pipe >= data->display.n_pipes);
 217         igt_skip_on(plane >= data->display.pipes[pipe].n_planes);
 218
 219         for_each_connected_output(&data->display, output)
 220                 test_plane_position_with_output(data, pipe, plane, output,
 221                                                 flags);
 222 }
 223
 224 /*
 225  * Plane panning test.
 226  *   - We start by grabbing reference CRCs of a full red and a full blue fb
 227  *     being scanned out on the primary plane
 228  *   - Then we create a big fb, sized (2 * hdisplay, 2 * vdisplay) and:
 229  *      - fill the top left quarter with red
 230  *      - fill the bottom right quarter with blue
 231  *   - The TEST_PANNING_TOP_LEFT test makes sure that with panning at (0, 0)
 232  *     we do get the same CRC than the full red fb.
 233  *   - The TEST_PANNING_BOTTOM_RIGHT test makes sure that with panning at
 234  *     (vdisplay, hdisplay) we do get the same CRC than the full blue fb.
 235  */
 236 typedef struct {
 237         data_t *data;
 238         igt_crc_t red_crc, blue_crc;
 239 } test_panning_t;
 240
 241 static void
 242 create_fb_for_mode__panning(data_t *data, drmModeModeInfo *mode,
 243                             struct igt_fb *fb /* out */)
 244 {
 245         unsigned int fb_id;
 246         cairo_t *cr;
 247
 248         fb_id = igt_create_fb(data->drm_fd,
 249                               mode->hdisplay * 2, mode->vdisplay * 2,
 250                               DRM_FORMAT_XRGB8888,
 251                               false /* tiling */,
 252                               fb);
 253         igt_assert(fb_id);
 254
 255         cr = igt_get_cairo_ctx(data->drm_fd, fb);
 256
 257         igt_paint_color(cr, 0, 0, mode->hdisplay, mode->vdisplay,
 258                         1.0, 0.0, 0.0);
 259
 260         igt_paint_color(cr,
 261                         mode->hdisplay, mode->vdisplay,
 262                         mode->hdisplay, mode->vdisplay,
 263                         0.0, 0.0, 1.0);
 264
 265         igt_assert(cairo_status(cr) == 0);
 266         cairo_destroy(cr);
 267 }
 268
 269 enum {
 270         TEST_PANNING_TOP_LEFT     = 1 << 0,
 271         TEST_PANNING_BOTTOM_RIGHT = 1 << 1,
 272 };
 273
 274 static void
 275 test_plane_panning_with_output(data_t *data,
 276                                enum pipe pipe,
 277                                enum igt_plane plane,
 278                                igt_output_t *output,
 279                                unsigned int flags)
 280 {
 281         test_panning_t test = { .data = data };
 282         igt_plane_t *primary;
 283         struct igt_fb primary_fb;
 284         drmModeModeInfo *mode;
 285         igt_crc_t crc;
 286
 287         fprintf(stdout, "Testing connector %s using pipe %c plane %d\n",
 288                 igt_output_name(output), pipe_name(pipe), plane);
 289
 290         test_init(data, pipe);
 291
 292         test_grab_crc(data, output, pipe, &red, &test.red_crc);
 293         test_grab_crc(data, output, pipe, &blue, &test.blue_crc);
 294
 295         igt_output_set_pipe(output, pipe);
 296
 297         mode = igt_output_get_mode(output);
 298         primary = igt_output_get_plane(output, 0);
 299
 300         create_fb_for_mode__panning(data, mode, &primary_fb);
 301         igt_plane_set_fb(primary, &primary_fb);
 302
 303         if (flags & TEST_PANNING_TOP_LEFT)
 304                 igt_plane_set_panning(primary, 0, 0);
 305         else
 306                 igt_plane_set_panning(primary, mode->hdisplay, mode->vdisplay);
 307
 308         igt_plane_set_position(primary, 0, 0);
 309
 310         igt_display_commit(&data->display);
 311
 312         igt_pipe_crc_collect_crc(data->pipe_crc, &crc);
 313
 314         if (flags & TEST_PANNING_TOP_LEFT)
 315                 igt_assert(igt_crc_equal(&test.red_crc, &crc));
 316         else
 317                 igt_assert(igt_crc_equal(&test.blue_crc, &crc));
 318
 319         igt_plane_set_fb(primary, NULL);
 320
 321         /* reset states to neutral values, assumed by other tests */
 322         igt_output_set_pipe(output, PIPE_ANY);
 323         igt_plane_set_panning(primary, 0, 0);
 324
 325         test_fini(data);
 326 }
 327
 328 static void
 329 test_plane_panning(data_t *data, enum pipe pipe, enum igt_plane plane,
 330             unsigned int flags)
 331 {
 332         igt_output_t *output;
 333
 334         igt_skip_on(pipe >= data->display.n_pipes);
 335         igt_skip_on(plane >= data->display.pipes[pipe].n_planes);
 336
 337         for_each_connected_output(&data->display, output)
 338                 test_plane_panning_with_output(data, pipe, plane, output,
 339                                                 flags);
 340 }
 341
 342 static void
 343 run_tests_for_pipe_plane(data_t *data, enum pipe pipe, enum igt_plane plane)
 344 {
 345         igt_subtest_f("plane-position-covered-pipe-%c-plane-%d",
 346                       pipe_name(pipe), plane)
 347                 test_plane_position(data, pipe, plane,
 348                                     TEST_POSITION_FULLY_COVERED);
 349
 350         igt_subtest_f("plane-position-hole-pipe-%c-plane-%d",
 351                       pipe_name(pipe), plane)
 352                 test_plane_position(data, pipe, plane, 0);
 353
 354         igt_subtest_f("plane-panning-top-left-pipe-%c-plane-%d",
 355                       pipe_name(pipe), plane)
 356                 test_plane_panning(data, pipe, plane, TEST_PANNING_TOP_LEFT);
 357
 358         igt_subtest_f("plane-panning-bottom-right-pipe-%c-plane-%d",
 359                       pipe_name(pipe), plane)
 360                 test_plane_panning(data, pipe, plane,
 361                                    TEST_PANNING_BOTTOM_RIGHT);
 362
 363 }
 364
 365 static void
 366 run_tests_for_pipe(data_t *data, enum pipe pipe)
 367 {
 368         int plane;
 369
 370         for (plane = 1; plane < IGT_MAX_PLANES; plane++)
 371                 run_tests_for_pipe_plane(data, pipe, plane);
 372 }
 373
 374 static data_t data;
 375
 376 igt_main
 377 {
 378
 379         igt_skip_on_simulation();
 380
 381         igt_fixture {
 382                 data.drm_fd = drm_open_any();
 383
 384                 igt_set_vt_graphics_mode();
 385
 386                 igt_require_pipe_crc();
 387                 igt_display_init(&data.display, data.drm_fd);
 388         }
 389
 390         for (int pipe = 0; pipe < 3; pipe++)
 391                 run_tests_for_pipe(&data, pipe);
 392
 393         igt_fixture {
 394                 igt_display_fini(&data.display);
 395         }
 396 }