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
26 /* returns a pointer to the already allocated qxl_rect array inside
27 * the qxl_clip_rects. This is *not* the same as the memory allocated
28 * 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,struct qxl_release * release)29 static struct qxl_rect *drawable_set_clipping(struct qxl_device *qdev,
30 struct qxl_drawable *drawable,
31 unsigned num_clips,
32 struct qxl_bo **clips_bo,
33 struct qxl_release *release)
34 {
35 struct qxl_clip_rects *dev_clips;
36 int ret;
37 int size = sizeof(*dev_clips) + sizeof(struct qxl_rect) * num_clips;
38 ret = qxl_alloc_bo_reserved(qdev, size, clips_bo);
39 if (ret)
40 return NULL;
41
42 ret = qxl_bo_kmap(*clips_bo, (void **)&dev_clips);
43 if (ret) {
44 qxl_bo_unref(clips_bo);
45 return NULL;
46 }
47 dev_clips->num_rects = num_clips;
48 dev_clips->chunk.next_chunk = 0;
49 dev_clips->chunk.prev_chunk = 0;
50 dev_clips->chunk.data_size = sizeof(struct qxl_rect) * num_clips;
51 return (struct qxl_rect *)dev_clips->chunk.data;
52 }
53
54 static int
make_drawable(struct qxl_device * qdev,int surface,uint8_t type,const struct qxl_rect * rect,struct qxl_release ** release)55 make_drawable(struct qxl_device *qdev, int surface, uint8_t type,
56 const struct qxl_rect *rect,
57 struct qxl_release **release)
58 {
59 struct qxl_drawable *drawable;
60 int i, ret;
61
62 ret = qxl_alloc_release_reserved(qdev, sizeof(*drawable),
63 QXL_RELEASE_DRAWABLE, release,
64 NULL);
65 if (ret)
66 return ret;
67
68 drawable = (struct qxl_drawable *)qxl_release_map(qdev, *release);
69 drawable->type = type;
70
71 drawable->surface_id = surface; /* Only primary for now */
72 drawable->effect = QXL_EFFECT_OPAQUE;
73 drawable->self_bitmap = 0;
74 drawable->self_bitmap_area.top = 0;
75 drawable->self_bitmap_area.left = 0;
76 drawable->self_bitmap_area.bottom = 0;
77 drawable->self_bitmap_area.right = 0;
78 /* FIXME: add clipping */
79 drawable->clip.type = SPICE_CLIP_TYPE_NONE;
80
81 /*
82 * surfaces_dest[i] should apparently be filled out with the
83 * surfaces that we depend on, and surface_rects should be
84 * filled with the rectangles of those surfaces that we
85 * are going to use.
86 */
87 for (i = 0; i < 3; ++i)
88 drawable->surfaces_dest[i] = -1;
89
90 if (rect)
91 drawable->bbox = *rect;
92
93 drawable->mm_time = qdev->rom->mm_clock;
94 qxl_release_unmap(qdev, *release, &drawable->release_info);
95 return 0;
96 }
97
qxl_palette_create_1bit(struct qxl_bo ** palette_bo,const struct qxl_fb_image * qxl_fb_image)98 static int qxl_palette_create_1bit(struct qxl_bo **palette_bo,
99 const struct qxl_fb_image *qxl_fb_image)
100 {
101 struct qxl_device *qdev = qxl_fb_image->qdev;
102 const struct fb_image *fb_image = &qxl_fb_image->fb_image;
103 uint32_t visual = qxl_fb_image->visual;
104 const uint32_t *pseudo_palette = qxl_fb_image->pseudo_palette;
105 struct qxl_palette *pal;
106 int ret;
107 uint32_t fgcolor, bgcolor;
108 static uint64_t unique; /* we make no attempt to actually set this
109 * correctly globaly, since that would require
110 * tracking all of our palettes. */
111
112 ret = qxl_alloc_bo_reserved(qdev,
113 sizeof(struct qxl_palette) + sizeof(uint32_t) * 2,
114 palette_bo);
115
116 ret = qxl_bo_kmap(*palette_bo, (void **)&pal);
117 pal->num_ents = 2;
118 pal->unique = unique++;
119 if (visual == FB_VISUAL_TRUECOLOR || visual == FB_VISUAL_DIRECTCOLOR) {
120 /* NB: this is the only used branch currently. */
121 fgcolor = pseudo_palette[fb_image->fg_color];
122 bgcolor = pseudo_palette[fb_image->bg_color];
123 } else {
124 fgcolor = fb_image->fg_color;
125 bgcolor = fb_image->bg_color;
126 }
127 pal->ents[0] = bgcolor;
128 pal->ents[1] = fgcolor;
129 qxl_bo_kunmap(*palette_bo);
130 return 0;
131 }
132
qxl_draw_opaque_fb(const struct qxl_fb_image * qxl_fb_image,int stride)133 void qxl_draw_opaque_fb(const struct qxl_fb_image *qxl_fb_image,
134 int stride /* filled in if 0 */)
135 {
136 struct qxl_device *qdev = qxl_fb_image->qdev;
137 struct qxl_drawable *drawable;
138 struct qxl_rect rect;
139 const struct fb_image *fb_image = &qxl_fb_image->fb_image;
140 int x = fb_image->dx;
141 int y = fb_image->dy;
142 int width = fb_image->width;
143 int height = fb_image->height;
144 const char *src = fb_image->data;
145 int depth = fb_image->depth;
146 struct qxl_release *release;
147 struct qxl_bo *image_bo;
148 struct qxl_image *image;
149 int ret;
150
151 if (stride == 0)
152 stride = depth * width / 8;
153
154 rect.left = x;
155 rect.right = x + width;
156 rect.top = y;
157 rect.bottom = y + height;
158
159 ret = make_drawable(qdev, 0, QXL_DRAW_COPY, &rect, &release);
160 if (ret)
161 return;
162
163 ret = qxl_image_create(qdev, release, &image_bo,
164 (const uint8_t *)src, 0, 0,
165 width, height, depth, stride);
166 if (ret) {
167 qxl_release_unreserve(qdev, release);
168 qxl_release_free(qdev, release);
169 return;
170 }
171
172 if (depth == 1) {
173 struct qxl_bo *palette_bo;
174 void *ptr;
175 ret = qxl_palette_create_1bit(&palette_bo, qxl_fb_image);
176 qxl_release_add_res(qdev, release, palette_bo);
177
178 ptr = qxl_bo_kmap_atomic_page(qdev, image_bo, 0);
179 image = ptr;
180 image->u.bitmap.palette =
181 qxl_bo_physical_address(qdev, palette_bo, 0);
182 qxl_bo_kunmap_atomic_page(qdev, image_bo, ptr);
183 qxl_bo_unreserve(palette_bo);
184 qxl_bo_unref(&palette_bo);
185 }
186
187 drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
188
189 drawable->u.copy.src_area.top = 0;
190 drawable->u.copy.src_area.bottom = height;
191 drawable->u.copy.src_area.left = 0;
192 drawable->u.copy.src_area.right = width;
193
194 drawable->u.copy.rop_descriptor = SPICE_ROPD_OP_PUT;
195 drawable->u.copy.scale_mode = 0;
196 drawable->u.copy.mask.flags = 0;
197 drawable->u.copy.mask.pos.x = 0;
198 drawable->u.copy.mask.pos.y = 0;
199 drawable->u.copy.mask.bitmap = 0;
200
201 drawable->u.copy.src_bitmap =
202 qxl_bo_physical_address(qdev, image_bo, 0);
203 qxl_release_unmap(qdev, release, &drawable->release_info);
204
205 qxl_release_add_res(qdev, release, image_bo);
206 qxl_bo_unreserve(image_bo);
207 qxl_bo_unref(&image_bo);
208
209 qxl_fence_releaseable(qdev, release);
210 qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
211 qxl_release_unreserve(qdev, release);
212 }
213
214 /* push a draw command using the given clipping rectangles as
215 * the sources from the shadow framebuffer.
216 *
217 * Right now implementing with a single draw and a clip list. Clip
218 * lists are known to be a problem performance wise, this can be solved
219 * by treating them differently in the server.
220 */
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)221 void qxl_draw_dirty_fb(struct qxl_device *qdev,
222 struct qxl_framebuffer *qxl_fb,
223 struct qxl_bo *bo,
224 unsigned flags, unsigned color,
225 struct drm_clip_rect *clips,
226 unsigned num_clips, int inc)
227 {
228 /*
229 * TODO: if flags & DRM_MODE_FB_DIRTY_ANNOTATE_FILL then we should
230 * send a fill command instead, much cheaper.
231 *
232 * See include/drm/drm_mode.h
233 */
234 struct drm_clip_rect *clips_ptr;
235 int i;
236 int left, right, top, bottom;
237 int width, height;
238 struct qxl_drawable *drawable;
239 struct qxl_rect drawable_rect;
240 struct qxl_rect *rects;
241 int stride = qxl_fb->base.pitches[0];
242 /* depth is not actually interesting, we don't mask with it */
243 int depth = qxl_fb->base.bits_per_pixel;
244 uint8_t *surface_base;
245 struct qxl_release *release;
246 struct qxl_bo *image_bo;
247 struct qxl_bo *clips_bo;
248 int ret;
249
250 left = clips->x1;
251 right = clips->x2;
252 top = clips->y1;
253 bottom = clips->y2;
254
255 /* skip the first clip rect */
256 for (i = 1, clips_ptr = clips + inc;
257 i < num_clips; i++, clips_ptr += inc) {
258 left = min_t(int, left, (int)clips_ptr->x1);
259 right = max_t(int, right, (int)clips_ptr->x2);
260 top = min_t(int, top, (int)clips_ptr->y1);
261 bottom = max_t(int, bottom, (int)clips_ptr->y2);
262 }
263
264 width = right - left;
265 height = bottom - top;
266 drawable_rect.left = left;
267 drawable_rect.right = right;
268 drawable_rect.top = top;
269 drawable_rect.bottom = bottom;
270 ret = make_drawable(qdev, 0, QXL_DRAW_COPY, &drawable_rect,
271 &release);
272 if (ret)
273 return;
274
275 ret = qxl_bo_kmap(bo, (void **)&surface_base);
276 if (ret)
277 goto out_unref;
278
279 ret = qxl_image_create(qdev, release, &image_bo, surface_base,
280 left, top, width, height, depth, stride);
281 qxl_bo_kunmap(bo);
282 if (ret)
283 goto out_unref;
284
285 rects = drawable_set_clipping(qdev, drawable, num_clips, &clips_bo, release);
286 if (!rects) {
287 qxl_bo_unref(&image_bo);
288 goto out_unref;
289 }
290 drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
291
292 drawable->clip.type = SPICE_CLIP_TYPE_RECTS;
293 drawable->clip.data = qxl_bo_physical_address(qdev,
294 clips_bo, 0);
295 qxl_release_add_res(qdev, release, clips_bo);
296
297 drawable->u.copy.src_area.top = 0;
298 drawable->u.copy.src_area.bottom = height;
299 drawable->u.copy.src_area.left = 0;
300 drawable->u.copy.src_area.right = width;
301
302 drawable->u.copy.rop_descriptor = SPICE_ROPD_OP_PUT;
303 drawable->u.copy.scale_mode = 0;
304 drawable->u.copy.mask.flags = 0;
305 drawable->u.copy.mask.pos.x = 0;
306 drawable->u.copy.mask.pos.y = 0;
307 drawable->u.copy.mask.bitmap = 0;
308
309 drawable->u.copy.src_bitmap = qxl_bo_physical_address(qdev, image_bo, 0);
310 qxl_release_unmap(qdev, release, &drawable->release_info);
311 qxl_release_add_res(qdev, release, image_bo);
312 qxl_bo_unreserve(image_bo);
313 qxl_bo_unref(&image_bo);
314 clips_ptr = clips;
315 for (i = 0; i < num_clips; i++, clips_ptr += inc) {
316 rects[i].left = clips_ptr->x1;
317 rects[i].right = clips_ptr->x2;
318 rects[i].top = clips_ptr->y1;
319 rects[i].bottom = clips_ptr->y2;
320 }
321 qxl_bo_kunmap(clips_bo);
322 qxl_bo_unreserve(clips_bo);
323 qxl_bo_unref(&clips_bo);
324
325 qxl_fence_releaseable(qdev, release);
326 qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
327 qxl_release_unreserve(qdev, release);
328 return;
329
330 out_unref:
331 qxl_release_unreserve(qdev, release);
332 qxl_release_free(qdev, release);
333 }
334
qxl_draw_copyarea(struct qxl_device * qdev,u32 width,u32 height,u32 sx,u32 sy,u32 dx,u32 dy)335 void qxl_draw_copyarea(struct qxl_device *qdev,
336 u32 width, u32 height,
337 u32 sx, u32 sy,
338 u32 dx, u32 dy)
339 {
340 struct qxl_drawable *drawable;
341 struct qxl_rect rect;
342 struct qxl_release *release;
343 int ret;
344
345 rect.left = dx;
346 rect.top = dy;
347 rect.right = dx + width;
348 rect.bottom = dy + height;
349 ret = make_drawable(qdev, 0, QXL_COPY_BITS, &rect, &release);
350 if (ret)
351 return;
352
353 drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
354 drawable->u.copy_bits.src_pos.x = sx;
355 drawable->u.copy_bits.src_pos.y = sy;
356
357 qxl_release_unmap(qdev, release, &drawable->release_info);
358 qxl_fence_releaseable(qdev, release);
359 qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
360 qxl_release_unreserve(qdev, release);
361 }
362
qxl_draw_fill(struct qxl_draw_fill * qxl_draw_fill_rec)363 void qxl_draw_fill(struct qxl_draw_fill *qxl_draw_fill_rec)
364 {
365 struct qxl_device *qdev = qxl_draw_fill_rec->qdev;
366 struct qxl_rect rect = qxl_draw_fill_rec->rect;
367 uint32_t color = qxl_draw_fill_rec->color;
368 uint16_t rop = qxl_draw_fill_rec->rop;
369 struct qxl_drawable *drawable;
370 struct qxl_release *release;
371 int ret;
372
373 ret = make_drawable(qdev, 0, QXL_DRAW_FILL, &rect, &release);
374 if (ret)
375 return;
376
377 drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
378 drawable->u.fill.brush.type = SPICE_BRUSH_TYPE_SOLID;
379 drawable->u.fill.brush.u.color = color;
380 drawable->u.fill.rop_descriptor = rop;
381 drawable->u.fill.mask.flags = 0;
382 drawable->u.fill.mask.pos.x = 0;
383 drawable->u.fill.mask.pos.y = 0;
384 drawable->u.fill.mask.bitmap = 0;
385
386 qxl_release_unmap(qdev, release, &drawable->release_info);
387 qxl_fence_releaseable(qdev, release);
388 qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
389 qxl_release_unreserve(qdev, release);
390 }
391