tests/kms_rotation_crc.c

   1 /*
   2  * Copyright © 2013,2014 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  */
  24
  25 #include <math.h>
  26
  27 #include "drmtest.h"
  28 #include "igt_debugfs.h"
  29 #include "igt_kms.h"
  30 #include "igt_core.h"
  31
  32 typedef struct {
  33         int gfx_fd;
  34         igt_display_t display;
  35         struct igt_fb fb;
  36         igt_crc_t ref_crc;
  37         igt_pipe_crc_t *pipe_crc;
  38 } data_t;
  39
  40 static void
  41 paint_squares(data_t *data, struct igt_fb *fb, drmModeModeInfo *mode,
  42               igt_rotation_t rotation)
  43 {
  44         cairo_t *cr;
  45         int w, h;
  46
  47         w = mode->hdisplay;
  48         h = mode->vdisplay;
  49
  50         cr = igt_get_cairo_ctx(data->gfx_fd, &data->fb);
  51
  52         if (rotation == IGT_ROTATION_180) {
  53                 cairo_translate(cr, w, h);
  54                 cairo_rotate(cr, M_PI);
  55         }
  56
  57         /* Paint with 4 squares of Red, Green, White, Blue Clockwise */
  58         igt_paint_color(cr, 0, 0, w / 2, h / 2, 1.0, 0.0, 0.0);
  59         igt_paint_color(cr, w / 2, 0, w / 2, h / 2, 0.0, 1.0, 0.0);
  60         igt_paint_color(cr, 0, h / 2, w / 2, h / 2, 0.0, 0.0, 1.0);
  61         igt_paint_color(cr, w / 2, h / 2, w / 2, h / 2, 1.0, 1.0, 1.0);
  62
  63         cairo_destroy(cr);
  64 }
  65
  66 static bool prepare_crtc(data_t *data, igt_output_t *output, enum pipe pipe,
  67                          igt_plane_t *plane)
  68 {
  69         drmModeModeInfo *mode;
  70         igt_display_t *display = &data->display;
  71         int fb_id;
  72
  73         igt_output_set_pipe(output, pipe);
  74
  75
  76         /* create the pipe_crc object for this pipe */
  77         igt_pipe_crc_free(data->pipe_crc);
  78         data->pipe_crc = igt_pipe_crc_new(pipe, INTEL_PIPE_CRC_SOURCE_AUTO);
  79         if (!data->pipe_crc) {
  80                 igt_info("auto crc not supported on this connector with pipe %i\n",
  81                          pipe);
  82                 return false;
  83         }
  84
  85         mode = igt_output_get_mode(output);
  86
  87         fb_id = igt_create_fb(data->gfx_fd,
  88                         mode->hdisplay, mode->vdisplay,
  89                         DRM_FORMAT_XRGB8888,
  90                         false, /* tiled */
  91                         &data->fb);
  92         igt_assert(fb_id);
  93
  94         /* Step 1: create a reference CRC for a software-rotated fb */
  95
  96         paint_squares(data, &data->fb, mode, IGT_ROTATION_180);
  97
  98         /*
  99          * XXX: We always set the primary plane to actually enable the pipe as
 100          * there's no way (that works) to light up a pipe with only a sprite
 101          * plane enabled at the moment.
 102          */
 103         if (!plane->is_primary) {
 104                 igt_plane_t *primary;
 105
 106                 primary = igt_output_get_plane(output, IGT_PLANE_PRIMARY);
 107                 igt_plane_set_fb(primary, &data->fb);
 108         }
 109
 110         igt_plane_set_fb(plane, &data->fb);
 111         igt_display_commit(display);
 112
 113         igt_pipe_crc_collect_crc(data->pipe_crc, &data->ref_crc);
 114
 115         /*
 116          * Step 2: prepare the plane with an non-rotated fb let the hw
 117          * rotate it.
 118          */
 119         paint_squares(data, &data->fb, mode, IGT_ROTATION_0);
 120
 121         igt_plane_set_fb(plane, &data->fb);
 122         igt_display_commit(display);
 123
 124         return true;
 125 }
 126
 127 static void cleanup_crtc(data_t *data, igt_output_t *output, igt_plane_t *plane)
 128 {
 129         igt_display_t *display = &data->display;
 130
 131         igt_pipe_crc_free(data->pipe_crc);
 132         data->pipe_crc = NULL;
 133
 134         igt_remove_fb(data->gfx_fd, &data->fb);
 135
 136         /* XXX: see the note in prepare_crtc() */
 137         if (!plane->is_primary) {
 138                 igt_plane_t *primary;
 139
 140                 primary = igt_output_get_plane(output, IGT_PLANE_PRIMARY);
 141                 igt_plane_set_fb(primary, NULL);
 142         }
 143
 144         igt_plane_set_fb(plane, NULL);
 145         igt_output_set_pipe(output, PIPE_ANY);
 146
 147         igt_display_commit(display);
 148 }
 149
 150 static void test_plane_rotation(data_t *data, enum igt_plane plane_type)
 151 {
 152         igt_display_t *display = &data->display;
 153         igt_output_t *output;
 154         enum pipe pipe;
 155         int valid_tests = 0;
 156         igt_crc_t crc_output;
 157         enum igt_commit_style commit = COMMIT_LEGACY;
 158
 159         if (plane_type == IGT_PLANE_PRIMARY) {
 160                 igt_require(data->display.has_universal_planes);
 161                 commit = COMMIT_UNIVERSAL;
 162         }
 163
 164         for_each_connected_output(display, output) {
 165                 for_each_pipe(display, pipe) {
 166                         igt_plane_t *plane;
 167
 168                         igt_output_set_pipe(output, pipe);
 169
 170                         plane = igt_output_get_plane(output, plane_type);
 171                         igt_require(igt_plane_supports_rotation(plane));
 172
 173                         if (!prepare_crtc(data, output, pipe, plane))
 174                                 continue;
 175
 176                         igt_plane_set_rotation(plane, IGT_ROTATION_180);
 177                         igt_display_commit2(display, commit);
 178
 179                         igt_pipe_crc_collect_crc(data->pipe_crc, &crc_output);
 180                         igt_assert(igt_crc_equal(&data->ref_crc, &crc_output));
 181
 182                         valid_tests++;
 183                         cleanup_crtc(data, output, plane);
 184                 }
 185         }
 186         igt_require_f(valid_tests, "no valid crtc/connector combinations found\n");
 187 }
 188
 189 igt_main
 190 {
 191         data_t data = {};
 192
 193         igt_skip_on_simulation();
 194
 195         igt_fixture {
 196                 data.gfx_fd = drm_open_any();
 197
 198                 igt_set_vt_graphics_mode();
 199
 200                 igt_require_pipe_crc();
 201
 202                 igt_display_init(&data.display, data.gfx_fd);
 203         }
 204
 205         igt_subtest_f("primary-rotation")
 206                 test_plane_rotation(&data, IGT_PLANE_PRIMARY);
 207
 208         igt_subtest_f("sprite-rotation")
 209                 test_plane_rotation(&data, IGT_PLANE_2);
 210
 211         igt_fixture {
 212                 igt_display_fini(&data.display);
 213         }
 214 }