1 /*
2 * Copyright 2011 Red Hat, Inc.
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23 #include "qxl_drv.h"
24 #include "qxl_object.h"
25
alloc_clips(struct qxl_device * qdev,struct qxl_release * release,unsigned num_clips,struct qxl_bo ** clips_bo)26 static int alloc_clips(struct qxl_device *qdev,
27 struct qxl_release *release,
28 unsigned num_clips,
29 struct qxl_bo **clips_bo)
30 {
31 int size = sizeof(struct qxl_clip_rects) + sizeof(struct qxl_rect) * num_clips;
32
33 return qxl_alloc_bo_reserved(qdev, release, size, clips_bo);
34 }
35
36 /* returns a pointer to the already allocated qxl_rect array inside
37 * the qxl_clip_rects. This is *not* the same as the memory allocated
38 * on the device, it is offset to qxl_clip_rects.chunk.data */
drawable_set_clipping(struct qxl_device * qdev,struct qxl_drawable * drawable,unsigned num_clips,struct qxl_bo * clips_bo)39 static struct qxl_rect *drawable_set_clipping(struct qxl_device *qdev,
40 struct qxl_drawable *drawable,
41 unsigned num_clips,
42 struct qxl_bo *clips_bo)
43 {
44 struct qxl_clip_rects *dev_clips;
45 int ret;
46
47 ret = qxl_bo_kmap(clips_bo, (void **)&dev_clips);
48 if (ret) {
49 return NULL;
50 }
51 dev_clips->num_rects = num_clips;
52 dev_clips->chunk.next_chunk = 0;
53 dev_clips->chunk.prev_chunk = 0;
54 dev_clips->chunk.data_size = sizeof(struct qxl_rect) * num_clips;
55 return (struct qxl_rect *)dev_clips->chunk.data;
56 }
57
58 static int
alloc_drawable(struct qxl_device * qdev,struct qxl_release ** release)59 alloc_drawable(struct qxl_device *qdev, struct qxl_release **release)
60 {
61 int ret;
62 ret = qxl_alloc_release_reserved(qdev, sizeof(struct qxl_drawable),
63 QXL_RELEASE_DRAWABLE, release,
64 NULL);
65 return ret;
66 }
67
68 static void
free_drawable(struct qxl_device * qdev,struct qxl_release * release)69 free_drawable(struct qxl_device *qdev, struct qxl_release *release)
70 {
71 qxl_release_free(qdev, release);
72 }
73
74 /* release needs to be reserved at this point */
75 static int
make_drawable(struct qxl_device * qdev,int surface,uint8_t type,const struct qxl_rect * rect,struct qxl_release * release)76 make_drawable(struct qxl_device *qdev, int surface, uint8_t type,
77 const struct qxl_rect *rect,
78 struct qxl_release *release)
79 {
80 struct qxl_drawable *drawable;
81 int i;
82
83 drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
84 if (!drawable)
85 return -ENOMEM;
86
87 drawable->type = type;
88
89 drawable->surface_id = surface; /* Only primary for now */
90 drawable->effect = QXL_EFFECT_OPAQUE;
91 drawable->self_bitmap = 0;
92 drawable->self_bitmap_area.top = 0;
93 drawable->self_bitmap_area.left = 0;
94 drawable->self_bitmap_area.bottom = 0;
95 drawable->self_bitmap_area.right = 0;
96 /* FIXME: add clipping */
97 drawable->clip.type = SPICE_CLIP_TYPE_NONE;
98
99 /*
100 * surfaces_dest[i] should apparently be filled out with the
101 * surfaces that we depend on, and surface_rects should be
102 * filled with the rectangles of those surfaces that we
103 * are going to use.
104 */
105 for (i = 0; i < 3; ++i)
106 drawable->surfaces_dest[i] = -1;
107
108 if (rect)
109 drawable->bbox = *rect;
110
111 drawable->mm_time = qdev->rom->mm_clock;
112 qxl_release_unmap(qdev, release, &drawable->release_info);
113 return 0;
114 }
115
alloc_palette_object(struct qxl_device * qdev,struct qxl_release * release,struct qxl_bo ** palette_bo)116 static int alloc_palette_object(struct qxl_device *qdev,
117 struct qxl_release *release,
118 struct qxl_bo **palette_bo)
119 {
120 return qxl_alloc_bo_reserved(qdev, release,
121 sizeof(struct qxl_palette) + sizeof(uint32_t) * 2,
122 palette_bo);
123 }
124
qxl_palette_create_1bit(struct qxl_bo * palette_bo,struct qxl_release * release,const struct qxl_fb_image * qxl_fb_image)125 static int qxl_palette_create_1bit(struct qxl_bo *palette_bo,
126 struct qxl_release *release,
127 const struct qxl_fb_image *qxl_fb_image)
128 {
129 const struct fb_image *fb_image = &qxl_fb_image->fb_image;
130 uint32_t visual = qxl_fb_image->visual;
131 const uint32_t *pseudo_palette = qxl_fb_image->pseudo_palette;
132 struct qxl_palette *pal;
133 int ret;
134 uint32_t fgcolor, bgcolor;
135 static uint64_t unique; /* we make no attempt to actually set this
136 * correctly globaly, since that would require
137 * tracking all of our palettes. */
138 ret = qxl_bo_kmap(palette_bo, (void **)&pal);
139 if (ret)
140 return ret;
141 pal->num_ents = 2;
142 pal->unique = unique++;
143 if (visual == FB_VISUAL_TRUECOLOR || visual == FB_VISUAL_DIRECTCOLOR) {
144 /* NB: this is the only used branch currently. */
145 fgcolor = pseudo_palette[fb_image->fg_color];
146 bgcolor = pseudo_palette[fb_image->bg_color];
147 } else {
148 fgcolor = fb_image->fg_color;
149 bgcolor = fb_image->bg_color;
150 }
151 pal->ents[0] = bgcolor;
152 pal->ents[1] = fgcolor;
153 qxl_bo_kunmap(palette_bo);
154 return 0;
155 }
156
qxl_draw_opaque_fb(const struct qxl_fb_image * qxl_fb_image,int stride)157 void qxl_draw_opaque_fb(const struct qxl_fb_image *qxl_fb_image,
158 int stride /* filled in if 0 */)
159 {
160 struct qxl_device *qdev = qxl_fb_image->qdev;
161 struct qxl_drawable *drawable;
162 struct qxl_rect rect;
163 const struct fb_image *fb_image = &qxl_fb_image->fb_image;
164 int x = fb_image->dx;
165 int y = fb_image->dy;
166 int width = fb_image->width;
167 int height = fb_image->height;
168 const char *src = fb_image->data;
169 int depth = fb_image->depth;
170 struct qxl_release *release;
171 struct qxl_image *image;
172 int ret;
173 struct qxl_drm_image *dimage;
174 struct qxl_bo *palette_bo = NULL;
175 if (stride == 0)
176 stride = depth * width / 8;
177
178 ret = alloc_drawable(qdev, &release);
179 if (ret)
180 return;
181
182 ret = qxl_image_alloc_objects(qdev, release,
183 &dimage,
184 height, stride);
185 if (ret)
186 goto out_free_drawable;
187
188 if (depth == 1) {
189 ret = alloc_palette_object(qdev, release, &palette_bo);
190 if (ret)
191 goto out_free_image;
192 }
193
194 /* do a reservation run over all the objects we just allocated */
195 ret = qxl_release_reserve_list(release, true);
196 if (ret)
197 goto out_free_palette;
198
199 rect.left = x;
200 rect.right = x + width;
201 rect.top = y;
202 rect.bottom = y + height;
203
204 ret = make_drawable(qdev, 0, QXL_DRAW_COPY, &rect, release);
205 if (ret) {
206 qxl_release_backoff_reserve_list(release);
207 goto out_free_palette;
208 }
209
210 ret = qxl_image_init(qdev, release, dimage,
211 (const uint8_t *)src, 0, 0,
212 width, height, depth, stride);
213 if (ret) {
214 qxl_release_backoff_reserve_list(release);
215 qxl_release_free(qdev, release);
216 return;
217 }
218
219 if (depth == 1) {
220 void *ptr;
221 ret = qxl_palette_create_1bit(palette_bo, release, qxl_fb_image);
222
223 ptr = qxl_bo_kmap_atomic_page(qdev, dimage->bo, 0);
224 image = ptr;
225 image->u.bitmap.palette =
226 qxl_bo_physical_address(qdev, palette_bo, 0);
227 qxl_bo_kunmap_atomic_page(qdev, dimage->bo, ptr);
228 }
229
230 drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
231
232 drawable->u.copy.src_area.top = 0;
233 drawable->u.copy.src_area.bottom = height;
234 drawable->u.copy.src_area.left = 0;
235 drawable->u.copy.src_area.right = width;
236
237 drawable->u.copy.rop_descriptor = SPICE_ROPD_OP_PUT;
238 drawable->u.copy.scale_mode = 0;
239 drawable->u.copy.mask.flags = 0;
240 drawable->u.copy.mask.pos.x = 0;
241 drawable->u.copy.mask.pos.y = 0;
242 drawable->u.copy.mask.bitmap = 0;
243
244 drawable->u.copy.src_bitmap =
245 qxl_bo_physical_address(qdev, dimage->bo, 0);
246 qxl_release_unmap(qdev, release, &drawable->release_info);
247
248 qxl_release_fence_buffer_objects(release);
249 qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
250
251 out_free_palette:
252 if (palette_bo)
253 qxl_bo_unref(&palette_bo);
254 out_free_image:
255 qxl_image_free_objects(qdev, dimage);
256 out_free_drawable:
257 if (ret)
258 free_drawable(qdev, release);
259 }
260
261 /* push a draw command using the given clipping rectangles as
262 * the sources from the shadow framebuffer.
263 *
264 * Right now implementing with a single draw and a clip list. Clip
265 * lists are known to be a problem performance wise, this can be solved
266 * by treating them differently in the server.
267 */
qxl_draw_dirty_fb(struct qxl_device * qdev,struct qxl_framebuffer * qxl_fb,struct qxl_bo * bo,unsigned flags,unsigned color,struct drm_clip_rect * clips,unsigned num_clips,int inc)268 void qxl_draw_dirty_fb(struct qxl_device *qdev,
269 struct qxl_framebuffer *qxl_fb,
270 struct qxl_bo *bo,
271 unsigned flags, unsigned color,
272 struct drm_clip_rect *clips,
273 unsigned num_clips, int inc)
274 {
275 /*
276 * TODO: if flags & DRM_MODE_FB_DIRTY_ANNOTATE_FILL then we should
277 * send a fill command instead, much cheaper.
278 *
279 * See include/drm/drm_mode.h
280 */
281 struct drm_clip_rect *clips_ptr;
282 int i;
283 int left, right, top, bottom;
284 int width, height;
285 struct qxl_drawable *drawable;
286 struct qxl_rect drawable_rect;
287 struct qxl_rect *rects;
288 int stride = qxl_fb->base.pitches[0];
289 /* depth is not actually interesting, we don't mask with it */
290 int depth = qxl_fb->base.bits_per_pixel;
291 uint8_t *surface_base;
292 struct qxl_release *release;
293 struct qxl_bo *clips_bo;
294 struct qxl_drm_image *dimage;
295 int ret;
296
297 ret = alloc_drawable(qdev, &release);
298 if (ret)
299 return;
300
301 left = clips->x1;
302 right = clips->x2;
303 top = clips->y1;
304 bottom = clips->y2;
305
306 /* skip the first clip rect */
307 for (i = 1, clips_ptr = clips + inc;
308 i < num_clips; i++, clips_ptr += inc) {
309 left = min_t(int, left, (int)clips_ptr->x1);
310 right = max_t(int, right, (int)clips_ptr->x2);
311 top = min_t(int, top, (int)clips_ptr->y1);
312 bottom = max_t(int, bottom, (int)clips_ptr->y2);
313 }
314
315 width = right - left;
316 height = bottom - top;
317
318 ret = alloc_clips(qdev, release, num_clips, &clips_bo);
319 if (ret)
320 goto out_free_drawable;
321
322 ret = qxl_image_alloc_objects(qdev, release,
323 &dimage,
324 height, stride);
325 if (ret)
326 goto out_free_clips;
327
328 /* do a reservation run over all the objects we just allocated */
329 ret = qxl_release_reserve_list(release, true);
330 if (ret)
331 goto out_free_image;
332
333 drawable_rect.left = left;
334 drawable_rect.right = right;
335 drawable_rect.top = top;
336 drawable_rect.bottom = bottom;
337
338 ret = make_drawable(qdev, 0, QXL_DRAW_COPY, &drawable_rect,
339 release);
340 if (ret)
341 goto out_release_backoff;
342
343 ret = qxl_bo_kmap(bo, (void **)&surface_base);
344 if (ret)
345 goto out_release_backoff;
346
347
348 ret = qxl_image_init(qdev, release, dimage, surface_base,
349 left, top, width, height, depth, stride);
350 qxl_bo_kunmap(bo);
351 if (ret)
352 goto out_release_backoff;
353
354 rects = drawable_set_clipping(qdev, drawable, num_clips, clips_bo);
355 if (!rects) {
356 ret = -EINVAL;
357 goto out_release_backoff;
358 }
359 drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
360
361 drawable->clip.type = SPICE_CLIP_TYPE_RECTS;
362 drawable->clip.data = qxl_bo_physical_address(qdev,
363 clips_bo, 0);
364
365 drawable->u.copy.src_area.top = 0;
366 drawable->u.copy.src_area.bottom = height;
367 drawable->u.copy.src_area.left = 0;
368 drawable->u.copy.src_area.right = width;
369
370 drawable->u.copy.rop_descriptor = SPICE_ROPD_OP_PUT;
371 drawable->u.copy.scale_mode = 0;
372 drawable->u.copy.mask.flags = 0;
373 drawable->u.copy.mask.pos.x = 0;
374 drawable->u.copy.mask.pos.y = 0;
375 drawable->u.copy.mask.bitmap = 0;
376
377 drawable->u.copy.src_bitmap = qxl_bo_physical_address(qdev, dimage->bo, 0);
378 qxl_release_unmap(qdev, release, &drawable->release_info);
379
380 clips_ptr = clips;
381 for (i = 0; i < num_clips; i++, clips_ptr += inc) {
382 rects[i].left = clips_ptr->x1;
383 rects[i].right = clips_ptr->x2;
384 rects[i].top = clips_ptr->y1;
385 rects[i].bottom = clips_ptr->y2;
386 }
387 qxl_bo_kunmap(clips_bo);
388
389 qxl_release_fence_buffer_objects(release);
390 qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
391
392 out_release_backoff:
393 if (ret)
394 qxl_release_backoff_reserve_list(release);
395 out_free_image:
396 qxl_image_free_objects(qdev, dimage);
397 out_free_clips:
398 qxl_bo_unref(&clips_bo);
399 out_free_drawable:
400 /* only free drawable on error */
401 if (ret)
402 free_drawable(qdev, release);
403
404 }
405
qxl_draw_copyarea(struct qxl_device * qdev,u32 width,u32 height,u32 sx,u32 sy,u32 dx,u32 dy)406 void qxl_draw_copyarea(struct qxl_device *qdev,
407 u32 width, u32 height,
408 u32 sx, u32 sy,
409 u32 dx, u32 dy)
410 {
411 struct qxl_drawable *drawable;
412 struct qxl_rect rect;
413 struct qxl_release *release;
414 int ret;
415
416 ret = alloc_drawable(qdev, &release);
417 if (ret)
418 return;
419
420 /* do a reservation run over all the objects we just allocated */
421 ret = qxl_release_reserve_list(release, true);
422 if (ret)
423 goto out_free_release;
424
425 rect.left = dx;
426 rect.top = dy;
427 rect.right = dx + width;
428 rect.bottom = dy + height;
429 ret = make_drawable(qdev, 0, QXL_COPY_BITS, &rect, release);
430 if (ret) {
431 qxl_release_backoff_reserve_list(release);
432 goto out_free_release;
433 }
434
435 drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
436 drawable->u.copy_bits.src_pos.x = sx;
437 drawable->u.copy_bits.src_pos.y = sy;
438 qxl_release_unmap(qdev, release, &drawable->release_info);
439
440 qxl_release_fence_buffer_objects(release);
441 qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
442
443 out_free_release:
444 if (ret)
445 free_drawable(qdev, release);
446 }
447
qxl_draw_fill(struct qxl_draw_fill * qxl_draw_fill_rec)448 void qxl_draw_fill(struct qxl_draw_fill *qxl_draw_fill_rec)
449 {
450 struct qxl_device *qdev = qxl_draw_fill_rec->qdev;
451 struct qxl_rect rect = qxl_draw_fill_rec->rect;
452 uint32_t color = qxl_draw_fill_rec->color;
453 uint16_t rop = qxl_draw_fill_rec->rop;
454 struct qxl_drawable *drawable;
455 struct qxl_release *release;
456 int ret;
457
458 ret = alloc_drawable(qdev, &release);
459 if (ret)
460 return;
461
462 /* do a reservation run over all the objects we just allocated */
463 ret = qxl_release_reserve_list(release, true);
464 if (ret)
465 goto out_free_release;
466
467 ret = make_drawable(qdev, 0, QXL_DRAW_FILL, &rect, release);
468 if (ret) {
469 qxl_release_backoff_reserve_list(release);
470 goto out_free_release;
471 }
472
473 drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
474 drawable->u.fill.brush.type = SPICE_BRUSH_TYPE_SOLID;
475 drawable->u.fill.brush.u.color = color;
476 drawable->u.fill.rop_descriptor = rop;
477 drawable->u.fill.mask.flags = 0;
478 drawable->u.fill.mask.pos.x = 0;
479 drawable->u.fill.mask.pos.y = 0;
480 drawable->u.fill.mask.bitmap = 0;
481
482 qxl_release_unmap(qdev, release, &drawable->release_info);
483
484 qxl_release_fence_buffer_objects(release);
485 qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
486
487 out_free_release:
488 if (ret)
489 free_drawable(qdev, release);
490 }
491