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