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