1 /*
2 * Copyright © 2018 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 * Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
25 */
26
27 #include "igt.h"
28
29 IGT_TEST_DESCRIPTION("Test plane alpha and blending mode properties");
30
31 typedef struct {
32 int gfx_fd;
33 igt_display_t display;
34 struct igt_fb xrgb_fb, argb_fb_0, argb_fb_cov_0, argb_fb_7e, argb_fb_cov_7e, argb_fb_fc, argb_fb_cov_fc, argb_fb_100, black_fb, gray_fb;
35 igt_crc_t ref_crc;
36 igt_pipe_crc_t *pipe_crc;
37 } data_t;
38
__draw_gradient(struct igt_fb * fb,int w,int h,double a,cairo_t * cr)39 static void __draw_gradient(struct igt_fb *fb, int w, int h, double a, cairo_t *cr)
40 {
41 cairo_pattern_t *pat;
42
43 pat = cairo_pattern_create_linear(0, 0, w, h);
44 cairo_pattern_add_color_stop_rgba(pat, 0.00, 0.00, 0.00, 0.00, 1.);
45 cairo_pattern_add_color_stop_rgba(pat, 0.25, 1.00, 1.00, 0.00, 1.);
46 cairo_pattern_add_color_stop_rgba(pat, 0.50, 0.00, 1.00, 1.00, 1.);
47 cairo_pattern_add_color_stop_rgba(pat, 0.75, 1.00, 0.00, 1.00, 1.);
48 cairo_pattern_add_color_stop_rgba(pat, 1.00, 1.00, 1.00, 1.00, 1.);
49
50 cairo_rectangle(cr, 0, 0, w, h);
51 cairo_set_source(cr, pat);
52 cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
53 cairo_paint_with_alpha(cr, a);
54 cairo_pattern_destroy(pat);
55 }
56
draw_gradient(struct igt_fb * fb,int w,int h,double a)57 static void draw_gradient(struct igt_fb *fb, int w, int h, double a)
58 {
59 cairo_t *cr = igt_get_cairo_ctx(fb->fd, fb);
60
61 __draw_gradient(fb, w, h, a, cr);
62
63 igt_put_cairo_ctx(fb->fd, fb, cr);
64 }
65
draw_gradient_coverage(struct igt_fb * fb,int w,int h,uint8_t a)66 static void draw_gradient_coverage(struct igt_fb *fb, int w, int h, uint8_t a)
67 {
68 cairo_t *cr = igt_get_cairo_ctx(fb->fd, fb);
69 uint8_t *data = cairo_image_surface_get_data(fb->cairo_surface);
70 uint32_t stride = fb->strides[0];
71 int i;
72
73 __draw_gradient(fb, w, h, 1., cr);
74
75 for (; h--; data += stride)
76 for (i = 0; i < w; i++)
77 data[i * 4 + 3] = a;
78
79 igt_put_cairo_ctx(fb->fd, fb, cr);
80 }
81
draw_squares(struct igt_fb * fb,int w,int h,double a)82 static void draw_squares(struct igt_fb *fb, int w, int h, double a)
83 {
84 cairo_t *cr = igt_get_cairo_ctx(fb->fd, fb);
85
86 cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
87 igt_paint_color_alpha(cr, 0, 0, w / 2, h / 2, 1., 0., 0., a);
88 igt_paint_color_alpha(cr, w / 2, 0, w / 2, h / 2, 0., 1., 0., a);
89 igt_paint_color_alpha(cr, 0, h / 2, w / 2, h / 2, 0., 0., 1., a);
90 igt_paint_color_alpha(cr, w / 2, h / 2, w / 4, h / 2, 1., 1., 1., a);
91 igt_paint_color_alpha(cr, 3 * w / 4, h / 2, w / 4, h / 2, 0., 0., 0., a);
92
93 igt_put_cairo_ctx(fb->fd, fb, cr);
94 }
95
draw_squares_coverage(struct igt_fb * fb,int w,int h,uint8_t as)96 static void draw_squares_coverage(struct igt_fb *fb, int w, int h, uint8_t as)
97 {
98 cairo_t *cr = igt_get_cairo_ctx(fb->fd, fb);
99 int i, j;
100 uint32_t *data = (void *)cairo_image_surface_get_data(fb->cairo_surface);
101 uint32_t stride = fb->strides[0] / 4;
102 uint32_t a = as << 24;
103
104 for (j = 0; j < h / 2; j++) {
105 for (i = 0; i < w / 2; i++)
106 data[j * stride + i] = a | 0xff0000;
107
108 for (; i < w; i++)
109 data[j * stride + i] = a | 0xff00;
110 }
111
112 for (j = h / 2; j < h; j++) {
113 for (i = 0; i < w / 2; i++)
114 data[j * stride + i] = a | 0xff;
115
116 for (; i < 3 * w / 4; i++)
117 data[j * stride + i] = a | 0xffffff;
118
119 for (; i < w; i++)
120 data[j * stride + i] = a;
121 }
122
123 igt_put_cairo_ctx(fb->fd, fb, cr);
124 }
125
reset_alpha(igt_display_t * display,enum pipe pipe)126 static void reset_alpha(igt_display_t *display, enum pipe pipe)
127 {
128 igt_plane_t *plane;
129
130 for_each_plane_on_pipe(display, pipe, plane) {
131 if (igt_plane_has_prop(plane, IGT_PLANE_ALPHA))
132 igt_plane_set_prop_value(plane, IGT_PLANE_ALPHA, 0xffff);
133
134 if (igt_plane_has_prop(plane, IGT_PLANE_PIXEL_BLEND_MODE))
135 igt_plane_set_prop_enum(plane, IGT_PLANE_PIXEL_BLEND_MODE, "Pre-multiplied");
136 }
137 }
138
has_multiplied_alpha(data_t * data,igt_plane_t * plane)139 static bool has_multiplied_alpha(data_t *data, igt_plane_t *plane)
140 {
141 int ret;
142
143 igt_plane_set_prop_value(plane, IGT_PLANE_ALPHA, 0x8080);
144 igt_plane_set_fb(plane, &data->argb_fb_100);
145 ret = igt_display_try_commit_atomic(&data->display,
146 DRM_MODE_ATOMIC_TEST_ONLY | DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
147 igt_plane_set_prop_value(plane, IGT_PLANE_ALPHA, 0xffff);
148 igt_plane_set_fb(plane, NULL);
149
150 return ret == 0;
151 }
152
prepare_crtc(data_t * data,igt_output_t * output,enum pipe pipe)153 static void prepare_crtc(data_t *data, igt_output_t *output, enum pipe pipe)
154 {
155 drmModeModeInfo *mode;
156 igt_display_t *display = &data->display;
157 int w, h;
158 igt_plane_t *primary = igt_pipe_get_plane_type(&display->pipes[pipe], DRM_PLANE_TYPE_PRIMARY);
159
160 igt_display_reset(display);
161 igt_output_set_pipe(output, pipe);
162
163 /* create the pipe_crc object for this pipe */
164 igt_pipe_crc_free(data->pipe_crc);
165 data->pipe_crc = igt_pipe_crc_new(data->gfx_fd, pipe, INTEL_PIPE_CRC_SOURCE_AUTO);
166
167 mode = igt_output_get_mode(output);
168 w = mode->hdisplay;
169 h = mode->vdisplay;
170
171 /* recreate all fbs if incompatible */
172 if (data->xrgb_fb.width != w || data->xrgb_fb.height != h) {
173 cairo_t *cr;
174
175 igt_remove_fb(data->gfx_fd, &data->xrgb_fb);
176 igt_remove_fb(data->gfx_fd, &data->argb_fb_0);
177 igt_remove_fb(data->gfx_fd, &data->argb_fb_cov_0);
178 igt_remove_fb(data->gfx_fd, &data->argb_fb_7e);
179 igt_remove_fb(data->gfx_fd, &data->argb_fb_fc);
180 igt_remove_fb(data->gfx_fd, &data->argb_fb_cov_7e);
181 igt_remove_fb(data->gfx_fd, &data->argb_fb_cov_fc);
182 igt_remove_fb(data->gfx_fd, &data->argb_fb_100);
183 igt_remove_fb(data->gfx_fd, &data->black_fb);
184 igt_remove_fb(data->gfx_fd, &data->gray_fb);
185
186 igt_create_fb(data->gfx_fd, w, h,
187 DRM_FORMAT_XRGB8888, LOCAL_DRM_FORMAT_MOD_NONE,
188 &data->xrgb_fb);
189 draw_gradient(&data->xrgb_fb, w, h, 1.);
190
191 igt_create_fb(data->gfx_fd, w, h,
192 DRM_FORMAT_ARGB8888, LOCAL_DRM_FORMAT_MOD_NONE,
193 &data->argb_fb_cov_0);
194 draw_gradient_coverage(&data->argb_fb_cov_0, w, h, 0);
195
196 igt_create_fb(data->gfx_fd, w, h,
197 DRM_FORMAT_ARGB8888, LOCAL_DRM_FORMAT_MOD_NONE,
198 &data->argb_fb_0);
199
200 cr = igt_get_cairo_ctx(data->gfx_fd, &data->argb_fb_0);
201 cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
202 igt_paint_color_alpha(cr, 0, 0, w, h, 0., 0., 0., 0.0);
203 igt_put_cairo_ctx(data->gfx_fd, &data->argb_fb_0, cr);
204
205 igt_create_fb(data->gfx_fd, w, h,
206 DRM_FORMAT_ARGB8888, LOCAL_DRM_FORMAT_MOD_NONE,
207 &data->argb_fb_7e);
208 draw_squares(&data->argb_fb_7e, w, h, 126. / 255.);
209
210 igt_create_fb(data->gfx_fd, w, h,
211 DRM_FORMAT_ARGB8888, LOCAL_DRM_FORMAT_MOD_NONE,
212 &data->argb_fb_cov_7e);
213 draw_squares_coverage(&data->argb_fb_cov_7e, w, h, 0x7e);
214
215 igt_create_fb(data->gfx_fd, w, h,
216 DRM_FORMAT_ARGB8888, LOCAL_DRM_FORMAT_MOD_NONE,
217 &data->argb_fb_fc);
218 draw_squares(&data->argb_fb_fc, w, h, 252. / 255.);
219
220 igt_create_fb(data->gfx_fd, w, h,
221 DRM_FORMAT_ARGB8888, LOCAL_DRM_FORMAT_MOD_NONE,
222 &data->argb_fb_cov_fc);
223 draw_squares_coverage(&data->argb_fb_cov_fc, w, h, 0xfc);
224
225 igt_create_fb(data->gfx_fd, w, h,
226 DRM_FORMAT_ARGB8888, LOCAL_DRM_FORMAT_MOD_NONE,
227 &data->argb_fb_100);
228 draw_gradient(&data->argb_fb_100, w, h, 1.);
229
230 igt_create_fb(data->gfx_fd, w, h,
231 DRM_FORMAT_XRGB8888, LOCAL_DRM_FORMAT_MOD_NONE,
232 &data->black_fb);
233
234 igt_create_color_fb(data->gfx_fd, w, h,
235 DRM_FORMAT_XRGB8888, LOCAL_DRM_FORMAT_MOD_NONE,
236 .5, .5, .5, &data->gray_fb);
237 }
238
239 igt_plane_set_fb(primary, &data->black_fb);
240 /* reset alpha property to default */
241 reset_alpha(display, pipe);
242 }
243
basic_alpha(data_t * data,enum pipe pipe,igt_plane_t * plane)244 static void basic_alpha(data_t *data, enum pipe pipe, igt_plane_t *plane)
245 {
246 igt_display_t *display = &data->display;
247 igt_crc_t ref_crc, crc;
248 int i;
249
250 /* Testcase 1: alpha = 0.0, plane should be transparant. */
251 igt_display_commit2(display, COMMIT_ATOMIC);
252 igt_pipe_crc_start(data->pipe_crc);
253 igt_pipe_crc_get_single(data->pipe_crc, &ref_crc);
254
255 igt_plane_set_fb(plane, &data->argb_fb_0);
256
257 /* transparant fb should be transparant, no matter what.. */
258 for (i = 7; i < 256; i += 8) {
259 igt_plane_set_prop_value(plane, IGT_PLANE_ALPHA, i | (i << 8));
260 igt_display_commit2(display, COMMIT_ATOMIC);
261
262 igt_pipe_crc_get_current(display->drm_fd, data->pipe_crc, &crc);
263 igt_assert_crc_equal(&ref_crc, &crc);
264 }
265
266 /* And test alpha = 0, should give same CRC, but doesn't on some i915 platforms. */
267 igt_plane_set_prop_value(plane, IGT_PLANE_ALPHA, 0);
268 igt_display_commit2(display, COMMIT_ATOMIC);
269
270 igt_pipe_crc_get_current(display->drm_fd, data->pipe_crc, &crc);
271 igt_assert_crc_equal(&ref_crc, &crc);
272
273 igt_pipe_crc_stop(data->pipe_crc);
274 }
275
argb_opaque(data_t * data,enum pipe pipe,igt_plane_t * plane)276 static void argb_opaque(data_t *data, enum pipe pipe, igt_plane_t *plane)
277 {
278 igt_display_t *display = &data->display;
279 igt_crc_t ref_crc, crc;
280
281 /* alpha = 1.0, plane should be fully opaque, test with an opaque fb */
282 igt_plane_set_fb(plane, &data->xrgb_fb);
283 igt_display_commit2(display, COMMIT_ATOMIC);
284 igt_pipe_crc_collect_crc(data->pipe_crc, &ref_crc);
285
286 igt_plane_set_fb(plane, &data->argb_fb_100);
287 igt_display_commit2(display, COMMIT_ATOMIC);
288 igt_pipe_crc_collect_crc(data->pipe_crc, &crc);
289
290 igt_assert_crc_equal(&ref_crc, &crc);
291 }
292
argb_transparant(data_t * data,enum pipe pipe,igt_plane_t * plane)293 static void argb_transparant(data_t *data, enum pipe pipe, igt_plane_t *plane)
294 {
295 igt_display_t *display = &data->display;
296 igt_crc_t ref_crc, crc;
297
298 /* alpha = 1.0, plane should be fully opaque, test with a transparant fb */
299 igt_plane_set_fb(plane, NULL);
300 igt_display_commit2(display, COMMIT_ATOMIC);
301 igt_pipe_crc_collect_crc(data->pipe_crc, &ref_crc);
302
303 igt_plane_set_fb(plane, &data->argb_fb_0);
304 igt_display_commit2(display, COMMIT_ATOMIC);
305 igt_pipe_crc_collect_crc(data->pipe_crc, &crc);
306
307 igt_assert_crc_equal(&ref_crc, &crc);
308 }
309
constant_alpha_min(data_t * data,enum pipe pipe,igt_plane_t * plane)310 static void constant_alpha_min(data_t *data, enum pipe pipe, igt_plane_t *plane)
311 {
312 igt_display_t *display = &data->display;
313 igt_crc_t ref_crc, crc;
314
315 igt_plane_set_fb(plane, NULL);
316 igt_display_commit2(display, COMMIT_ATOMIC);
317 igt_pipe_crc_collect_crc(data->pipe_crc, &ref_crc);
318
319 igt_plane_set_prop_enum(plane, IGT_PLANE_PIXEL_BLEND_MODE, "None");
320 igt_plane_set_prop_value(plane, IGT_PLANE_ALPHA, 0);
321 igt_plane_set_fb(plane, &data->argb_fb_100);
322 igt_display_commit2(display, COMMIT_ATOMIC);
323 igt_pipe_crc_collect_crc(data->pipe_crc, &crc);
324 igt_assert_crc_equal(&ref_crc, &crc);
325
326 igt_plane_set_fb(plane, &data->argb_fb_0);
327 igt_display_commit2(display, COMMIT_ATOMIC);
328 igt_pipe_crc_collect_crc(data->pipe_crc, &crc);
329 igt_assert_crc_equal(&ref_crc, &crc);
330 }
331
constant_alpha_mid(data_t * data,enum pipe pipe,igt_plane_t * plane)332 static void constant_alpha_mid(data_t *data, enum pipe pipe, igt_plane_t *plane)
333 {
334 igt_display_t *display = &data->display;
335 igt_crc_t ref_crc, crc;
336
337 if (plane->type != DRM_PLANE_TYPE_PRIMARY)
338 igt_plane_set_fb(igt_pipe_get_plane_type(&display->pipes[pipe], DRM_PLANE_TYPE_PRIMARY), &data->gray_fb);
339
340 igt_plane_set_prop_enum(plane, IGT_PLANE_PIXEL_BLEND_MODE, "None");
341 igt_plane_set_prop_value(plane, IGT_PLANE_ALPHA, 0x7fff);
342 igt_plane_set_fb(plane, &data->xrgb_fb);
343 igt_display_commit2(display, COMMIT_ATOMIC);
344 igt_pipe_crc_collect_crc(data->pipe_crc, &ref_crc);
345
346 igt_plane_set_fb(plane, &data->argb_fb_cov_0);
347 igt_display_commit2(display, COMMIT_ATOMIC);
348 igt_pipe_crc_collect_crc(data->pipe_crc, &crc);
349 igt_assert_crc_equal(&ref_crc, &crc);
350
351 igt_plane_set_fb(plane, &data->argb_fb_100);
352 igt_display_commit2(display, COMMIT_ATOMIC);
353 igt_pipe_crc_collect_crc(data->pipe_crc, &crc);
354 igt_assert_crc_equal(&ref_crc, &crc);
355 }
356
constant_alpha_max(data_t * data,enum pipe pipe,igt_plane_t * plane)357 static void constant_alpha_max(data_t *data, enum pipe pipe, igt_plane_t *plane)
358 {
359 igt_display_t *display = &data->display;
360 igt_crc_t ref_crc, crc;
361
362 if (plane->type != DRM_PLANE_TYPE_PRIMARY)
363 igt_plane_set_fb(igt_pipe_get_plane_type(&display->pipes[pipe], DRM_PLANE_TYPE_PRIMARY), &data->gray_fb);
364
365 igt_plane_set_fb(plane, &data->argb_fb_100);
366 igt_display_commit2(display, COMMIT_ATOMIC);
367 igt_pipe_crc_collect_crc(data->pipe_crc, &ref_crc);
368
369 igt_plane_set_prop_enum(plane, IGT_PLANE_PIXEL_BLEND_MODE, "None");
370 igt_display_commit2(display, COMMIT_ATOMIC);
371 igt_pipe_crc_collect_crc(data->pipe_crc, &crc);
372 igt_assert_crc_equal(&ref_crc, &crc);
373
374 igt_plane_set_fb(plane, &data->argb_fb_cov_0);
375 igt_display_commit2(display, COMMIT_ATOMIC);
376 igt_pipe_crc_collect_crc(data->pipe_crc, &crc);
377 igt_assert_crc_equal(&ref_crc, &crc);
378
379 igt_plane_set_fb(plane, &data->xrgb_fb);
380 igt_display_commit2(display, COMMIT_ATOMIC);
381 igt_pipe_crc_collect_crc(data->pipe_crc, &crc);
382 igt_assert_crc_equal(&ref_crc, &crc);
383
384 igt_plane_set_fb(plane, NULL);
385 }
386
alpha_7efc(data_t * data,enum pipe pipe,igt_plane_t * plane)387 static void alpha_7efc(data_t *data, enum pipe pipe, igt_plane_t *plane)
388 {
389 igt_display_t *display = &data->display;
390 igt_crc_t ref_crc = {}, crc = {};
391 int i;
392
393 if (plane->type != DRM_PLANE_TYPE_PRIMARY)
394 igt_plane_set_fb(igt_pipe_get_plane_type(&display->pipes[pipe], DRM_PLANE_TYPE_PRIMARY), &data->gray_fb);
395
396 igt_display_commit2(display, COMMIT_ATOMIC);
397 igt_pipe_crc_start(data->pipe_crc);
398
399 /* for coverage, plane alpha and fb alpha should be swappable, so swap fb and alpha */
400 for (i = 0; i < 256; i += 8) {
401 igt_plane_set_prop_value(plane, IGT_PLANE_ALPHA, ((i/2) << 8) | (i/2));
402 igt_plane_set_fb(plane, &data->argb_fb_fc);
403 igt_display_commit2(display, COMMIT_ATOMIC);
404
405 igt_pipe_crc_get_current(display->drm_fd, data->pipe_crc, &ref_crc);
406
407 igt_plane_set_prop_value(plane, IGT_PLANE_ALPHA, (i << 8) | i);
408 igt_plane_set_fb(plane, &data->argb_fb_7e);
409 igt_display_commit2(display, COMMIT_ATOMIC);
410
411 igt_pipe_crc_get_current(display->drm_fd, data->pipe_crc, &crc);
412 igt_assert_crc_equal(&ref_crc, &crc);
413 }
414
415 igt_pipe_crc_stop(data->pipe_crc);
416 }
417
coverage_7efc(data_t * data,enum pipe pipe,igt_plane_t * plane)418 static void coverage_7efc(data_t *data, enum pipe pipe, igt_plane_t *plane)
419 {
420 igt_display_t *display = &data->display;
421 igt_crc_t ref_crc = {}, crc = {};
422 int i;
423
424 igt_plane_set_prop_enum(plane, IGT_PLANE_PIXEL_BLEND_MODE, "Coverage");
425 igt_display_commit2(display, COMMIT_ATOMIC);
426 igt_pipe_crc_start(data->pipe_crc);
427
428 /* for coverage, plane alpha and fb alpha should be swappable, so swap fb and alpha */
429 for (i = 0; i < 256; i += 8) {
430 igt_plane_set_prop_value(plane, IGT_PLANE_ALPHA, ((i/2) << 8) | (i/2));
431 igt_plane_set_fb(plane, &data->argb_fb_cov_fc);
432 igt_display_commit2(display, COMMIT_ATOMIC);
433
434 igt_pipe_crc_get_current(display->drm_fd, data->pipe_crc, &ref_crc);
435
436 igt_plane_set_prop_value(plane, IGT_PLANE_ALPHA, (i << 8) | i);
437 igt_plane_set_fb(plane, &data->argb_fb_cov_7e);
438 igt_display_commit2(display, COMMIT_ATOMIC);
439
440 igt_pipe_crc_get_current(display->drm_fd, data->pipe_crc, &crc);
441 igt_assert_crc_equal(&ref_crc, &crc);
442 }
443
444 igt_pipe_crc_stop(data->pipe_crc);
445 }
446
coverage_premult_constant(data_t * data,enum pipe pipe,igt_plane_t * plane)447 static void coverage_premult_constant(data_t *data, enum pipe pipe, igt_plane_t *plane)
448 {
449 igt_display_t *display = &data->display;
450 igt_crc_t ref_crc = {}, crc = {};
451
452 /* Set a background color on the primary fb for testing */
453 if (plane->type != DRM_PLANE_TYPE_PRIMARY)
454 igt_plane_set_fb(igt_pipe_get_plane_type(&display->pipes[pipe], DRM_PLANE_TYPE_PRIMARY), &data->gray_fb);
455
456 igt_plane_set_prop_enum(plane, IGT_PLANE_PIXEL_BLEND_MODE, "Coverage");
457 igt_plane_set_fb(plane, &data->argb_fb_cov_7e);
458 igt_display_commit2(display, COMMIT_ATOMIC);
459 igt_pipe_crc_start(data->pipe_crc);
460 igt_pipe_crc_get_single(data->pipe_crc, &ref_crc);
461
462 igt_plane_set_prop_enum(plane, IGT_PLANE_PIXEL_BLEND_MODE, "Pre-multiplied");
463 igt_plane_set_fb(plane, &data->argb_fb_7e);
464 igt_display_commit2(display, COMMIT_ATOMIC);
465 igt_pipe_crc_get_current(display->drm_fd, data->pipe_crc, &crc);
466 igt_assert_crc_equal(&ref_crc, &crc);
467
468 igt_plane_set_prop_enum(plane, IGT_PLANE_PIXEL_BLEND_MODE, "None");
469 igt_plane_set_prop_value(plane, IGT_PLANE_ALPHA, 0x7e7e);
470 igt_plane_set_fb(plane, &data->argb_fb_cov_7e);
471 igt_display_commit2(display, COMMIT_ATOMIC);
472 igt_pipe_crc_get_current(display->drm_fd, data->pipe_crc, &crc);
473 igt_assert_crc_equal(&ref_crc, &crc);
474
475 igt_pipe_crc_stop(data->pipe_crc);
476 }
477
run_test_on_pipe_planes(data_t * data,enum pipe pipe,bool blend,bool must_multiply,void (* test)(data_t *,enum pipe,igt_plane_t *))478 static void run_test_on_pipe_planes(data_t *data, enum pipe pipe, bool blend,
479 bool must_multiply,
480 void(*test)(data_t *, enum pipe, igt_plane_t *))
481 {
482 igt_display_t *display = &data->display;
483 igt_output_t *output = igt_get_single_output_for_pipe(display, pipe);
484 igt_plane_t *plane;
485 bool found = false;
486 bool multiply = false;
487
488 for_each_plane_on_pipe(display, pipe, plane) {
489 if (!igt_plane_has_prop(plane, IGT_PLANE_ALPHA))
490 continue;
491
492 if (blend && !igt_plane_has_prop(plane, IGT_PLANE_PIXEL_BLEND_MODE))
493 continue;
494
495 prepare_crtc(data, output, pipe);
496
497 /* reset plane alpha properties between each plane */
498 reset_alpha(display, pipe);
499
500 found = true;
501 if (must_multiply && !has_multiplied_alpha(data, plane))
502 continue;
503 multiply = true;
504
505 igt_info("Testing plane %u\n", plane->index);
506 test(data, pipe, plane);
507 igt_plane_set_fb(plane, NULL);
508 }
509
510 igt_require_f(found, "No planes with %s property found\n",
511 blend ? "pixel blending mode" : "alpha");
512 igt_require_f(multiply, "Multiplied (plane x pixel) alpha not available\n");
513 }
514
run_subtests(data_t * data,enum pipe pipe)515 static void run_subtests(data_t *data, enum pipe pipe)
516 {
517 igt_fixture {
518 bool found = false;
519 igt_plane_t *plane;
520
521 igt_display_require_output_on_pipe(&data->display, pipe);
522 for_each_plane_on_pipe(&data->display, pipe, plane) {
523 if (!igt_plane_has_prop(plane, IGT_PLANE_ALPHA))
524 continue;
525
526 found = true;
527 break;
528 }
529
530 igt_require_f(found, "Found no plane on pipe %s with alpha blending supported\n",
531 kmstest_pipe_name(pipe));
532 }
533
534 igt_subtest_f("pipe-%s-alpha-basic", kmstest_pipe_name(pipe))
535 run_test_on_pipe_planes(data, pipe, false, true, basic_alpha);
536
537 igt_subtest_f("pipe-%s-alpha-7efc", kmstest_pipe_name(pipe))
538 run_test_on_pipe_planes(data, pipe, false, true, alpha_7efc);
539
540 igt_subtest_f("pipe-%s-coverage-7efc", kmstest_pipe_name(pipe))
541 run_test_on_pipe_planes(data, pipe, true, true, coverage_7efc);
542
543 igt_subtest_f("pipe-%s-coverage-vs-premult-vs-constant", kmstest_pipe_name(pipe))
544 run_test_on_pipe_planes(data, pipe, true, false, coverage_premult_constant);
545
546 igt_subtest_f("pipe-%s-alpha-transparant-fb", kmstest_pipe_name(pipe))
547 run_test_on_pipe_planes(data, pipe, false, false, argb_transparant);
548
549 igt_subtest_f("pipe-%s-alpha-opaque-fb", kmstest_pipe_name(pipe))
550 run_test_on_pipe_planes(data, pipe, false, false, argb_opaque);
551
552 igt_subtest_f("pipe-%s-constant-alpha-min", kmstest_pipe_name(pipe))
553 run_test_on_pipe_planes(data, pipe, true, false, constant_alpha_min);
554
555 igt_subtest_f("pipe-%s-constant-alpha-mid", kmstest_pipe_name(pipe))
556 run_test_on_pipe_planes(data, pipe, true, false, constant_alpha_mid);
557
558 igt_subtest_f("pipe-%s-constant-alpha-max", kmstest_pipe_name(pipe))
559 run_test_on_pipe_planes(data, pipe, true, false, constant_alpha_max);
560 }
561
562 igt_main
563 {
564 data_t data = {};
565 enum pipe pipe;
566
567 igt_fixture {
568 data.gfx_fd = drm_open_driver(DRIVER_ANY);
569 igt_require_pipe_crc(data.gfx_fd);
570 igt_display_require(&data.display, data.gfx_fd);
571 igt_require(data.display.is_atomic);
572 }
573
574 for_each_pipe_static(pipe)
575 igt_subtest_group
576 run_subtests(&data, pipe);
577
578 igt_fixture
579 igt_display_fini(&data.display);
580 }
581