1 /**********************************************************
2 * Copyright 2009-2011 VMware, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 *
24 *********************************************************
25 * Authors:
26 * Thomas Hellstrom <thellstrom-at-vmware-dot-com>
27 */
28
29 #include "xa_tracker.h"
30 #include "xa_priv.h"
31 #include "pipe/p_state.h"
32 #include "pipe/p_format.h"
33 #include "state_tracker/drm_driver.h"
34 #include "util/u_inlines.h"
35
36 /*
37 * format_map [xa_surface_type][first..last in list].
38 * Needs to be updated when enum xa_formats is updated.
39 */
40
41 static const enum xa_formats preferred_a[] = { xa_format_a8 };
42
43 static const enum xa_formats preferred_argb[] =
44 { xa_format_a8r8g8b8, xa_format_x8r8g8b8, xa_format_r5g6b5,
45 xa_format_x1r5g5b5
46 };
47 static const enum xa_formats preferred_z[] =
48 { xa_format_z32, xa_format_z24, xa_format_z16 };
49 static const enum xa_formats preferred_sz[] =
50 { xa_format_x8z24, xa_format_s8z24 };
51 static const enum xa_formats preferred_zs[] =
52 { xa_format_z24x8, xa_format_z24s8 };
53 static const enum xa_formats preferred_yuv[] = { xa_format_yuv8 };
54
55 static const enum xa_formats *preferred[] =
56 { NULL, preferred_a, preferred_argb, NULL, NULL,
57 preferred_z, preferred_zs, preferred_sz, preferred_yuv
58 };
59
60 static const unsigned int num_preferred[] = { 0,
61 sizeof(preferred_a) / sizeof(enum xa_formats),
62 sizeof(preferred_argb) / sizeof(enum xa_formats),
63 0,
64 0,
65 sizeof(preferred_z) / sizeof(enum xa_formats),
66 sizeof(preferred_zs) / sizeof(enum xa_formats),
67 sizeof(preferred_sz) / sizeof(enum xa_formats),
68 sizeof(preferred_yuv) / sizeof(enum xa_formats)
69 };
70
71 static const unsigned int stype_bind[XA_LAST_SURFACE_TYPE] = { 0,
72 PIPE_BIND_SAMPLER_VIEW,
73 PIPE_BIND_SAMPLER_VIEW,
74 PIPE_BIND_SAMPLER_VIEW,
75 PIPE_BIND_SAMPLER_VIEW,
76 PIPE_BIND_DEPTH_STENCIL,
77 PIPE_BIND_DEPTH_STENCIL,
78 PIPE_BIND_DEPTH_STENCIL,
79 PIPE_BIND_SAMPLER_VIEW
80 };
81
82 static struct xa_format_descriptor
xa_get_pipe_format(enum xa_formats xa_format)83 xa_get_pipe_format(enum xa_formats xa_format)
84 {
85 struct xa_format_descriptor fdesc;
86
87 fdesc.xa_format = xa_format;
88
89 switch (xa_format) {
90 case xa_format_a8r8g8b8:
91 fdesc.format = PIPE_FORMAT_B8G8R8A8_UNORM;
92 break;
93 case xa_format_x8r8g8b8:
94 fdesc.format = PIPE_FORMAT_B8G8R8X8_UNORM;
95 break;
96 case xa_format_r5g6b5:
97 fdesc.format = PIPE_FORMAT_B5G6R5_UNORM;
98 break;
99 case xa_format_x1r5g5b5:
100 fdesc.format = PIPE_FORMAT_B5G5R5A1_UNORM;
101 break;
102 case xa_format_a8:
103 fdesc.format = PIPE_FORMAT_L8_UNORM;
104 break;
105 case xa_format_z24:
106 fdesc.format = PIPE_FORMAT_Z24X8_UNORM;
107 break;
108 case xa_format_z16:
109 fdesc.format = PIPE_FORMAT_Z16_UNORM;
110 break;
111 case xa_format_z32:
112 fdesc.format = PIPE_FORMAT_Z32_UNORM;
113 break;
114 case xa_format_x8z24:
115 fdesc.format = PIPE_FORMAT_Z24X8_UNORM;
116 break;
117 case xa_format_z24x8:
118 fdesc.format = PIPE_FORMAT_X8Z24_UNORM;
119 break;
120 case xa_format_s8z24:
121 fdesc.format = PIPE_FORMAT_Z24_UNORM_S8_UINT;
122 break;
123 case xa_format_z24s8:
124 fdesc.format = PIPE_FORMAT_S8_UINT_Z24_UNORM;
125 break;
126 case xa_format_yuv8:
127 fdesc.format = PIPE_FORMAT_L8_UNORM;
128 break;
129 default:
130 fdesc.xa_format = xa_format_unknown;
131 break;
132 }
133 return fdesc;
134 }
135
136 XA_EXPORT struct xa_tracker *
xa_tracker_create(int drm_fd)137 xa_tracker_create(int drm_fd)
138 {
139 struct xa_tracker *xa = calloc(1, sizeof(struct xa_tracker));
140 enum xa_surface_type stype;
141 unsigned int num_formats;
142
143 if (!xa)
144 return NULL;
145
146 xa->screen = driver_descriptor.create_screen(drm_fd);
147 if (!xa->screen)
148 goto out_no_screen;
149
150 xa->default_ctx = xa_context_create(xa);
151 if (!xa->default_ctx)
152 goto out_no_pipe;
153
154 num_formats = 0;
155 for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype)
156 num_formats += num_preferred[stype];
157
158 num_formats += 1;
159 xa->supported_formats = calloc(num_formats, sizeof(*xa->supported_formats));
160 if (!xa->supported_formats)
161 goto out_sf_alloc_fail;
162
163 xa->supported_formats[0] = xa_format_unknown;
164 num_formats = 1;
165 memset(xa->format_map, 0, sizeof(xa->format_map));
166
167 for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype) {
168 unsigned int bind = stype_bind[stype];
169 enum xa_formats xa_format;
170 int i;
171
172 for (i = 0; i < num_preferred[stype]; ++i) {
173 xa_format = preferred[stype][i];
174
175 struct xa_format_descriptor fdesc = xa_get_pipe_format(xa_format);
176
177 if (xa->screen->is_format_supported(xa->screen, fdesc.format,
178 PIPE_TEXTURE_2D, 0, bind)) {
179 if (xa->format_map[stype][0] == 0)
180 xa->format_map[stype][0] = num_formats;
181 xa->format_map[stype][1] = num_formats;
182 xa->supported_formats[num_formats++] = xa_format;
183 }
184 }
185 }
186 return xa;
187
188 out_sf_alloc_fail:
189 xa_context_destroy(xa->default_ctx);
190 out_no_pipe:
191 xa->screen->destroy(xa->screen);
192 out_no_screen:
193 free(xa);
194 return NULL;
195 }
196
197 XA_EXPORT void
xa_tracker_destroy(struct xa_tracker * xa)198 xa_tracker_destroy(struct xa_tracker *xa)
199 {
200 free(xa->supported_formats);
201 xa_context_destroy(xa->default_ctx);
202 xa->screen->destroy(xa->screen);
203 free(xa);
204 }
205
206 static int
xa_flags_compat(unsigned int old_flags,unsigned int new_flags)207 xa_flags_compat(unsigned int old_flags, unsigned int new_flags)
208 {
209 unsigned int flag_diff = (old_flags ^ new_flags);
210
211 if (flag_diff == 0)
212 return 1;
213
214 if (flag_diff & XA_FLAG_SHARED)
215 return 0;
216 /*
217 * Don't recreate if we're dropping the render target flag.
218 */
219 if (flag_diff & XA_FLAG_RENDER_TARGET)
220 return ((new_flags & XA_FLAG_RENDER_TARGET) == 0);
221
222 /*
223 * Don't recreate if we're dropping the scanout flag.
224 */
225 if (flag_diff & XA_FLAG_SCANOUT)
226 return ((new_flags & XA_FLAG_SCANOUT) == 0);
227
228 /*
229 * Always recreate for unknown / unimplemented flags.
230 */
231 return 0;
232 }
233
234 static struct xa_format_descriptor
xa_get_format_stype_depth(struct xa_tracker * xa,enum xa_surface_type stype,unsigned int depth)235 xa_get_format_stype_depth(struct xa_tracker *xa,
236 enum xa_surface_type stype, unsigned int depth)
237 {
238 unsigned int i;
239 struct xa_format_descriptor fdesc;
240 int found = 0;
241
242 for (i = xa->format_map[stype][0]; i <= xa->format_map[stype][1]; ++i) {
243 fdesc = xa_get_pipe_format(xa->supported_formats[i]);
244 if (fdesc.xa_format != xa_format_unknown &&
245 xa_format_depth(fdesc.xa_format) == depth) {
246 found = 1;
247 break;
248 }
249 }
250
251 if (!found)
252 fdesc.xa_format = xa_format_unknown;
253
254 return fdesc;
255 }
256
257 XA_EXPORT int
xa_format_check_supported(struct xa_tracker * xa,enum xa_formats xa_format,unsigned int flags)258 xa_format_check_supported(struct xa_tracker *xa,
259 enum xa_formats xa_format, unsigned int flags)
260 {
261 struct xa_format_descriptor fdesc = xa_get_pipe_format(xa_format);
262 unsigned int bind;
263
264 if (fdesc.xa_format == xa_format_unknown)
265 return -XA_ERR_INVAL;
266
267 bind = stype_bind[xa_format_type(fdesc.xa_format)];
268 if (flags & XA_FLAG_SHARED)
269 bind |= PIPE_BIND_SHARED;
270 if (flags & XA_FLAG_RENDER_TARGET)
271 bind |= PIPE_BIND_RENDER_TARGET;
272 if (flags & XA_FLAG_SCANOUT)
273 bind |= PIPE_BIND_SCANOUT;
274
275 if (!xa->screen->is_format_supported(xa->screen, fdesc.format,
276 PIPE_TEXTURE_2D, 0, bind))
277 return -XA_ERR_INVAL;
278
279 return XA_ERR_NONE;
280 }
281
282 XA_EXPORT struct xa_surface *
xa_surface_create(struct xa_tracker * xa,int width,int height,int depth,enum xa_surface_type stype,enum xa_formats xa_format,unsigned int flags)283 xa_surface_create(struct xa_tracker *xa,
284 int width,
285 int height,
286 int depth,
287 enum xa_surface_type stype,
288 enum xa_formats xa_format, unsigned int flags)
289 {
290 struct pipe_resource *template;
291 struct xa_surface *srf;
292 struct xa_format_descriptor fdesc;
293
294 if (xa_format == xa_format_unknown)
295 fdesc = xa_get_format_stype_depth(xa, stype, depth);
296 else
297 fdesc = xa_get_pipe_format(xa_format);
298
299 if (fdesc.xa_format == xa_format_unknown)
300 return NULL;
301
302 srf = calloc(1, sizeof(*srf));
303 if (!srf)
304 return NULL;
305
306 template = &srf->template;
307 template->format = fdesc.format;
308 template->target = PIPE_TEXTURE_2D;
309 template->width0 = width;
310 template->height0 = height;
311 template->depth0 = 1;
312 template->array_size = 1;
313 template->last_level = 0;
314 template->bind = stype_bind[xa_format_type(fdesc.xa_format)];
315
316 if (flags & XA_FLAG_SHARED)
317 template->bind |= PIPE_BIND_SHARED;
318 if (flags & XA_FLAG_RENDER_TARGET)
319 template->bind |= PIPE_BIND_RENDER_TARGET;
320 if (flags & XA_FLAG_SCANOUT)
321 template->bind |= PIPE_BIND_SCANOUT;
322
323 srf->tex = xa->screen->resource_create(xa->screen, template);
324 if (!srf->tex)
325 goto out_no_tex;
326
327 srf->xa = xa;
328 srf->flags = flags;
329 srf->fdesc = fdesc;
330
331 return srf;
332 out_no_tex:
333 free(srf);
334 return NULL;
335 }
336
337 XA_EXPORT int
xa_surface_redefine(struct xa_surface * srf,int width,int height,int depth,enum xa_surface_type stype,enum xa_formats xa_format,unsigned int new_flags,int copy_contents)338 xa_surface_redefine(struct xa_surface *srf,
339 int width,
340 int height,
341 int depth,
342 enum xa_surface_type stype,
343 enum xa_formats xa_format,
344 unsigned int new_flags,
345 int copy_contents)
346 {
347 struct pipe_resource *template = &srf->template;
348 struct pipe_resource *texture;
349 struct pipe_box src_box;
350 struct xa_tracker *xa = srf->xa;
351 int save_width;
352 int save_height;
353 unsigned int save_format;
354 struct xa_format_descriptor fdesc;
355
356
357 if (xa_format == xa_format_unknown)
358 fdesc = xa_get_format_stype_depth(xa, stype, depth);
359 else
360 fdesc = xa_get_pipe_format(xa_format);
361
362 if (width == template->width0 && height == template->height0 &&
363 template->format == fdesc.format &&
364 xa_flags_compat(srf->flags, new_flags))
365 return XA_ERR_NONE;
366
367 template->bind = stype_bind[xa_format_type(fdesc.xa_format)];
368 if (new_flags & XA_FLAG_SHARED)
369 template->bind |= PIPE_BIND_SHARED;
370 if (new_flags & XA_FLAG_RENDER_TARGET)
371 template->bind |= PIPE_BIND_RENDER_TARGET;
372 if (new_flags & XA_FLAG_SCANOUT)
373 template->bind |= PIPE_BIND_SCANOUT;
374
375 if (copy_contents) {
376 if (!xa_format_type_is_color(fdesc.xa_format) ||
377 xa_format_type(fdesc.xa_format) == xa_type_a)
378 return -XA_ERR_INVAL;
379
380 if (!xa->screen->is_format_supported(xa->screen, fdesc.format,
381 PIPE_TEXTURE_2D, 0,
382 template->bind |
383 PIPE_BIND_RENDER_TARGET))
384 return -XA_ERR_INVAL;
385 }
386
387 save_width = template->width0;
388 save_height = template->height0;
389 save_format = template->format;
390
391 template->width0 = width;
392 template->height0 = height;
393 template->format = fdesc.format;
394
395 texture = xa->screen->resource_create(xa->screen, template);
396 if (!texture) {
397 template->width0 = save_width;
398 template->height0 = save_height;
399 template->format = save_format;
400 return -XA_ERR_NORES;
401 }
402
403 if (copy_contents) {
404 struct pipe_context *pipe = xa->default_ctx->pipe;
405
406 u_box_origin_2d(xa_min(save_width, template->width0),
407 xa_min(save_height, template->height0), &src_box);
408 pipe->resource_copy_region(pipe, texture,
409 0, 0, 0, 0, srf->tex, 0, &src_box);
410 pipe->flush(pipe, &xa->default_ctx->last_fence);
411 }
412
413 pipe_resource_reference(&srf->tex, texture);
414 pipe_resource_reference(&texture, NULL);
415 srf->fdesc = fdesc;
416 srf->flags = new_flags;
417
418 return XA_ERR_NONE;
419 }
420
421 XA_EXPORT void
xa_surface_destroy(struct xa_surface * srf)422 xa_surface_destroy(struct xa_surface *srf)
423 {
424 pipe_resource_reference(&srf->tex, NULL);
425 free(srf);
426 }
427
428 XA_EXPORT void
xa_tracker_version(int * major,int * minor,int * patch)429 xa_tracker_version(int *major, int *minor, int *patch)
430 {
431 *major = XA_TRACKER_VERSION_MAJOR;
432 *minor = XA_TRACKER_VERSION_MINOR;
433 *patch = XA_TRACKER_VERSION_PATCH;
434 }
435
436 XA_EXPORT int
xa_surface_handle(struct xa_surface * srf,uint32_t * handle,unsigned int * stride)437 xa_surface_handle(struct xa_surface *srf,
438 uint32_t * handle, unsigned int *stride)
439 {
440 struct winsys_handle whandle;
441
442 struct pipe_screen *screen = srf->xa->screen;
443 boolean res;
444
445 memset(&whandle, 0, sizeof(whandle));
446 whandle.type = DRM_API_HANDLE_TYPE_SHARED;
447 res = screen->resource_get_handle(screen, srf->tex, &whandle);
448 if (!res)
449 return -XA_ERR_INVAL;
450
451 *handle = whandle.handle;
452 *stride = whandle.stride;
453
454 return XA_ERR_NONE;
455 }
456
457 XA_EXPORT enum xa_formats
xa_surface_format(const struct xa_surface * srf)458 xa_surface_format(const struct xa_surface *srf)
459 {
460 return srf->fdesc.xa_format;
461 }
462