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 green = { 0.0f, 1.0f, 0.0f };
  49
  50 /*
  51  * Common code across all tests, acting on data_t
  52  */
  53 static void test_init(data_t *data, enum pipe pipe)
  54 {
  55         data->pipe_crc = igt_pipe_crc_new(pipe, INTEL_PIPE_CRC_SOURCE_AUTO);
  56 }
  57
  58 static void test_fini(data_t *data)
  59 {
  60         igt_pipe_crc_free(data->pipe_crc);
  61 }
  62
  63 static void
  64 test_grab_crc(data_t *data, igt_output_t *output, color_t *fb_color,
  65               igt_crc_t *crc /* out */)
  66 {
  67         struct igt_fb fb;
  68         drmModeModeInfo *mode;
  69         igt_plane_t *primary;
  70
  71         primary = igt_output_get_plane(output, 0);
  72
  73         mode = igt_output_get_mode(output);
  74         igt_create_color_fb(data->drm_fd, mode->hdisplay, mode->vdisplay,
  75                             DRM_FORMAT_XRGB8888,
  76                             false, /* tiled */
  77                             fb_color->red, fb_color->green, fb_color->blue,
  78                             &fb);
  79         igt_plane_set_fb(primary, &fb);
  80
  81         igt_display_commit(&data->display);
  82
  83         igt_pipe_crc_collect_crc(data->pipe_crc, crc);
  84
  85         igt_plane_set_fb(primary, NULL);
  86         igt_display_commit(&data->display);
  87
  88         igt_remove_fb(data->drm_fd, &fb);
  89 }
  90
  91 /*
  92  * Plane position test.
  93  *   - We start by grabbing a reference CRC of a full green fb being scanned
  94  *     out on the primary plane
  95  *   - Then we scannout 2 planes:
  96  *      - the primary plane uses a green fb with a black rectangle
  97  *      - a plane, on top of the primary plane, with a green fb that is set-up
  98  *        to cover the black rectangle of the primary plane fb
  99  *     The resulting CRC should be identical to the reference CRC
 100  */
 101
 102 typedef struct {
 103         data_t *data;
 104         igt_crc_t reference_crc;
 105 } test_position_t;
 106
 107 /*
 108  * create a green fb with a black rectangle at (rect_x,rect_y) and of size
 109  * (rect_w,rect_h)
 110  */
 111 static void
 112 create_fb_for_mode__position(data_t *data, drmModeModeInfo *mode,
 113                              double rect_x, double rect_y,
 114                              double rect_w, double rect_h,
 115                              struct igt_fb *fb /* out */)
 116 {
 117         unsigned int fb_id;
 118         cairo_t *cr;
 119
 120         fb_id = igt_create_fb(data->drm_fd,
 121                                   mode->hdisplay, mode->vdisplay,
 122                                   DRM_FORMAT_XRGB8888,
 123                                   false /* tiling */,
 124                                   fb);
 125         igt_assert(fb_id);
 126
 127         cr = igt_get_cairo_ctx(data->drm_fd, fb);
 128         igt_paint_color(cr, 0, 0, mode->hdisplay, mode->vdisplay,
 129                             0.0, 1.0, 0.0);
 130         igt_paint_color(cr, rect_x, rect_y, rect_w, rect_h, 0.0, 0.0, 0.0);
 131         igt_assert(cairo_status(cr) == 0);
 132         cairo_destroy(cr);
 133 }
 134
 135 enum {
 136         TEST_POSITION_FULLY_COVERED = 1 << 0,
 137 };
 138
 139 static void
 140 test_plane_position_with_output(data_t *data,
 141                                 enum pipe pipe,
 142                                 enum igt_plane plane,
 143                                 igt_output_t *output,
 144                                 unsigned int flags)
 145 {
 146         test_position_t test = { .data = data };
 147         igt_plane_t *primary, *sprite;
 148         struct igt_fb primary_fb, sprite_fb;
 149         drmModeModeInfo *mode;
 150         igt_crc_t crc;
 151
 152         igt_info("Testing connector %s using pipe %c plane %d\n",
 153                  igt_output_name(output), pipe_name(pipe), plane);
 154
 155         test_init(data, pipe);
 156
 157         test_grab_crc(data, output, &green, &test.reference_crc);
 158
 159         igt_output_set_pipe(output, pipe);
 160
 161         mode = igt_output_get_mode(output);
 162         primary = igt_output_get_plane(output, 0);
 163         sprite = igt_output_get_plane(output, plane);
 164
 165         create_fb_for_mode__position(data, mode, 100, 100, 64, 64,
 166                                      &primary_fb);
 167         igt_plane_set_fb(primary, &primary_fb);
 168
 169         igt_create_color_fb(data->drm_fd,
 170                                 64, 64, /* width, height */
 171                                 DRM_FORMAT_XRGB8888,
 172                                 false, /* tiled */
 173                                 0.0, 1.0, 0.0,
 174                                 &sprite_fb);
 175         igt_plane_set_fb(sprite, &sprite_fb);
 176
 177         if (flags & TEST_POSITION_FULLY_COVERED)
 178                 igt_plane_set_position(sprite, 100, 100);
 179         else
 180                 igt_plane_set_position(sprite, 132, 132);
 181
 182         igt_display_commit(&data->display);
 183
 184         igt_pipe_crc_collect_crc(data->pipe_crc, &crc);
 185
 186         if (flags & TEST_POSITION_FULLY_COVERED)
 187                 igt_assert(igt_crc_equal(&test.reference_crc, &crc));
 188         else
 189                 igt_assert(!igt_crc_equal(&test.reference_crc, &crc));
 190
 191         igt_plane_set_fb(primary, NULL);
 192         igt_plane_set_fb(sprite, NULL);
 193
 194         /* reset the constraint on the pipe */
 195         igt_output_set_pipe(output, PIPE_ANY);
 196
 197         test_fini(data);
 198 }
 199
 200 static void
 201 test_plane_position(data_t *data, enum pipe pipe, enum igt_plane plane,
 202                     unsigned int flags)
 203 {
 204         igt_output_t *output;
 205
 206         igt_skip_on(pipe >= data->display.n_pipes);
 207         igt_skip_on(plane >= data->display.pipes[pipe].n_planes);
 208
 209         for_each_connected_output(&data->display, output)
 210                 test_plane_position_with_output(data, pipe, plane, output,
 211                                                 flags);
 212 }
 213
 214 static void
 215 run_tests_for_pipe_plane(data_t *data, enum pipe pipe, enum igt_plane plane)
 216 {
 217         igt_subtest_f("plane-position-covered-pipe-%c-plane-%d",
 218                       pipe_name(pipe), plane)
 219                 test_plane_position(data, pipe, plane,
 220                                     TEST_POSITION_FULLY_COVERED);
 221
 222         igt_subtest_f("plane-position-hole-pipe-%c-plane-%d",
 223                       pipe_name(pipe), plane)
 224                 test_plane_position(data, pipe, plane, 0);
 225 }
 226
 227 static void
 228 run_tests_for_pipe(data_t *data, enum pipe pipe)
 229 {
 230         int plane;
 231
 232         for (plane = 1; plane < IGT_MAX_PLANES; plane++)
 233                 run_tests_for_pipe_plane(data, pipe, plane);
 234 }
 235
 236 static data_t data;
 237
 238 igt_main
 239 {
 240
 241         igt_skip_on_simulation();
 242
 243         igt_fixture {
 244                 data.drm_fd = drm_open_any();
 245
 246                 igt_set_vt_graphics_mode();
 247
 248                 igt_require_pipe_crc();
 249                 igt_display_init(&data.display, data.drm_fd);
 250         }
 251
 252         for (int pipe = 0; pipe < 3; pipe++)
 253                 run_tests_for_pipe(&data, pipe);
 254
 255         igt_fixture {
 256                 igt_display_fini(&data.display);
 257         }
 258 }