1 /**********************************************************
2 * Copyright 2008-2009 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
26 #include "svga_cmd.h"
27
28 #include "pipe/p_state.h"
29 #include "pipe/p_defines.h"
30 #include "util/u_inlines.h"
31 #include "os/os_thread.h"
32 #include "util/u_format.h"
33 #include "util/u_math.h"
34 #include "util/u_memory.h"
35
36 #include "svga_format.h"
37 #include "svga_screen.h"
38 #include "svga_context.h"
39 #include "svga_resource_texture.h"
40 #include "svga_surface.h"
41 #include "svga_debug.h"
42
43
44 void
svga_texture_copy_handle(struct svga_context * svga,struct svga_winsys_surface * src_handle,unsigned src_x,unsigned src_y,unsigned src_z,unsigned src_level,unsigned src_face,struct svga_winsys_surface * dst_handle,unsigned dst_x,unsigned dst_y,unsigned dst_z,unsigned dst_level,unsigned dst_face,unsigned width,unsigned height,unsigned depth)45 svga_texture_copy_handle(struct svga_context *svga,
46 struct svga_winsys_surface *src_handle,
47 unsigned src_x, unsigned src_y, unsigned src_z,
48 unsigned src_level, unsigned src_face,
49 struct svga_winsys_surface *dst_handle,
50 unsigned dst_x, unsigned dst_y, unsigned dst_z,
51 unsigned dst_level, unsigned dst_face,
52 unsigned width, unsigned height, unsigned depth)
53 {
54 struct svga_surface dst, src;
55 enum pipe_error ret;
56 SVGA3dCopyBox box, *boxes;
57
58 assert(svga);
59
60 src.handle = src_handle;
61 src.real_level = src_level;
62 src.real_face = src_face;
63 src.real_zslice = 0;
64
65 dst.handle = dst_handle;
66 dst.real_level = dst_level;
67 dst.real_face = dst_face;
68 dst.real_zslice = 0;
69
70 box.x = dst_x;
71 box.y = dst_y;
72 box.z = dst_z;
73 box.w = width;
74 box.h = height;
75 box.d = depth;
76 box.srcx = src_x;
77 box.srcy = src_y;
78 box.srcz = src_z;
79
80 /*
81 SVGA_DBG(DEBUG_VIEWS, "mipcopy src: %p %u (%ux%ux%u), dst: %p %u (%ux%ux%u)\n",
82 src_handle, src_level, src_x, src_y, src_z,
83 dst_handle, dst_level, dst_x, dst_y, dst_z);
84 */
85
86 ret = SVGA3D_BeginSurfaceCopy(svga->swc,
87 &src.base,
88 &dst.base,
89 &boxes, 1);
90 if (ret != PIPE_OK) {
91 svga_context_flush(svga, NULL);
92 ret = SVGA3D_BeginSurfaceCopy(svga->swc,
93 &src.base,
94 &dst.base,
95 &boxes, 1);
96 assert(ret == PIPE_OK);
97 }
98 *boxes = box;
99 SVGA_FIFOCommitAll(svga->swc);
100 }
101
102
103 struct svga_winsys_surface *
svga_texture_view_surface(struct svga_context * svga,struct svga_texture * tex,SVGA3dSurfaceFlags flags,SVGA3dSurfaceFormat format,unsigned start_mip,unsigned num_mip,int face_pick,int zslice_pick,struct svga_host_surface_cache_key * key)104 svga_texture_view_surface(struct svga_context *svga,
105 struct svga_texture *tex,
106 SVGA3dSurfaceFlags flags,
107 SVGA3dSurfaceFormat format,
108 unsigned start_mip,
109 unsigned num_mip,
110 int face_pick,
111 int zslice_pick,
112 struct svga_host_surface_cache_key *key) /* OUT */
113 {
114 struct svga_screen *ss = svga_screen(svga->pipe.screen);
115 struct svga_winsys_surface *handle;
116 uint32_t i, j;
117 unsigned z_offset = 0;
118
119 SVGA_DBG(DEBUG_PERF,
120 "svga: Create surface view: face %d zslice %d mips %d..%d\n",
121 face_pick, zslice_pick, start_mip, start_mip+num_mip-1);
122
123 key->flags = flags;
124 key->format = format;
125 key->numMipLevels = num_mip;
126 key->size.width = u_minify(tex->b.b.width0, start_mip);
127 key->size.height = u_minify(tex->b.b.height0, start_mip);
128 key->size.depth = zslice_pick < 0 ? u_minify(tex->b.b.depth0, start_mip) : 1;
129 key->cachable = 1;
130 assert(key->size.depth == 1);
131
132 if (tex->b.b.target == PIPE_TEXTURE_CUBE && face_pick < 0) {
133 key->flags |= SVGA3D_SURFACE_CUBEMAP;
134 key->numFaces = 6;
135 } else {
136 key->numFaces = 1;
137 }
138
139 if (key->format == SVGA3D_FORMAT_INVALID) {
140 key->cachable = 0;
141 return NULL;
142 }
143
144 SVGA_DBG(DEBUG_DMA, "surface_create for texture view\n");
145 handle = svga_screen_surface_create(ss, key);
146 if (!handle) {
147 key->cachable = 0;
148 return NULL;
149 }
150
151 SVGA_DBG(DEBUG_DMA, " --> got sid %p (texture view)\n", handle);
152
153 if (face_pick < 0)
154 face_pick = 0;
155
156 if (zslice_pick >= 0)
157 z_offset = zslice_pick;
158
159 for (i = 0; i < key->numMipLevels; i++) {
160 for (j = 0; j < key->numFaces; j++) {
161 if (tex->defined[j + face_pick][i + start_mip]) {
162 unsigned depth = (zslice_pick < 0 ?
163 u_minify(tex->b.b.depth0, i + start_mip) :
164 1);
165
166 svga_texture_copy_handle(svga,
167 tex->handle,
168 0, 0, z_offset,
169 i + start_mip,
170 j + face_pick,
171 handle, 0, 0, 0, i, j,
172 u_minify(tex->b.b.width0, i + start_mip),
173 u_minify(tex->b.b.height0, i + start_mip),
174 depth);
175 }
176 }
177 }
178
179 return handle;
180 }
181
182
183 static struct pipe_surface *
svga_create_surface(struct pipe_context * pipe,struct pipe_resource * pt,const struct pipe_surface * surf_tmpl)184 svga_create_surface(struct pipe_context *pipe,
185 struct pipe_resource *pt,
186 const struct pipe_surface *surf_tmpl)
187 {
188 struct svga_context *svga = svga_context(pipe);
189 struct svga_texture *tex = svga_texture(pt);
190 struct pipe_screen *screen = pipe->screen;
191 struct svga_screen *ss = svga_screen(screen);
192 struct svga_surface *s;
193 unsigned face, zslice;
194 /* XXX surfaces should only be used for rendering purposes nowadays */
195 boolean render = (surf_tmpl->usage & (PIPE_BIND_RENDER_TARGET |
196 PIPE_BIND_DEPTH_STENCIL)) ? TRUE : FALSE;
197 boolean view = FALSE;
198 SVGA3dSurfaceFlags flags;
199 SVGA3dSurfaceFormat format;
200
201 assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
202
203 s = CALLOC_STRUCT(svga_surface);
204 if (!s)
205 return NULL;
206
207 if (pt->target == PIPE_TEXTURE_CUBE) {
208 face = surf_tmpl->u.tex.first_layer;
209 zslice = 0;
210 }
211 else {
212 face = 0;
213 zslice = surf_tmpl->u.tex.first_layer;
214 }
215
216 pipe_reference_init(&s->base.reference, 1);
217 pipe_resource_reference(&s->base.texture, pt);
218 s->base.context = pipe;
219 s->base.format = surf_tmpl->format;
220 s->base.width = u_minify(pt->width0, surf_tmpl->u.tex.level);
221 s->base.height = u_minify(pt->height0, surf_tmpl->u.tex.level);
222 s->base.usage = surf_tmpl->usage;
223 s->base.u.tex.level = surf_tmpl->u.tex.level;
224 s->base.u.tex.first_layer = surf_tmpl->u.tex.first_layer;
225 s->base.u.tex.last_layer = surf_tmpl->u.tex.last_layer;
226
227 if (!render) {
228 flags = SVGA3D_SURFACE_HINT_TEXTURE;
229 } else {
230 if (surf_tmpl->usage & PIPE_BIND_RENDER_TARGET) {
231 flags = SVGA3D_SURFACE_HINT_RENDERTARGET;
232 }
233 if (surf_tmpl->usage & PIPE_BIND_DEPTH_STENCIL) {
234 flags = SVGA3D_SURFACE_HINT_DEPTHSTENCIL;
235 }
236 }
237
238 format = svga_translate_format(ss, surf_tmpl->format, surf_tmpl->usage);
239 assert(format != SVGA3D_FORMAT_INVALID);
240
241 if (svga_screen(screen)->debug.force_surface_view)
242 view = TRUE;
243
244 /* Currently only used for compressed textures */
245 if (render &&
246 format != svga_translate_format(ss, surf_tmpl->format, surf_tmpl->usage)) {
247 view = TRUE;
248 }
249
250 if (surf_tmpl->u.tex.level != 0 &&
251 svga_screen(screen)->debug.force_level_surface_view)
252 view = TRUE;
253
254 if (pt->target == PIPE_TEXTURE_3D)
255 view = TRUE;
256
257 if (svga_screen(screen)->debug.no_surface_view)
258 view = FALSE;
259
260 if (view) {
261 SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: yes %p, level %u face %u z %u, %p\n",
262 pt, surf_tmpl->u.tex.level, face, zslice, s);
263
264 s->handle = svga_texture_view_surface(svga, tex, flags, format,
265 surf_tmpl->u.tex.level,
266 1, face, zslice, &s->key);
267 s->real_face = 0;
268 s->real_level = 0;
269 s->real_zslice = 0;
270 } else {
271 SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: no %p, level %u, face %u, z %u, %p\n",
272 pt, surf_tmpl->u.tex.level, face, zslice, s);
273
274 memset(&s->key, 0, sizeof s->key);
275 s->handle = tex->handle;
276 s->real_face = face;
277 s->real_zslice = zslice;
278 s->real_level = surf_tmpl->u.tex.level;
279 }
280
281 return &s->base;
282 }
283
284
285 static void
svga_surface_destroy(struct pipe_context * pipe,struct pipe_surface * surf)286 svga_surface_destroy(struct pipe_context *pipe,
287 struct pipe_surface *surf)
288 {
289 struct svga_surface *s = svga_surface(surf);
290 struct svga_texture *t = svga_texture(surf->texture);
291 struct svga_screen *ss = svga_screen(surf->texture->screen);
292
293 if (s->handle != t->handle) {
294 SVGA_DBG(DEBUG_DMA, "unref sid %p (tex surface)\n", s->handle);
295 svga_screen_surface_destroy(ss, &s->key, &s->handle);
296 }
297
298 pipe_resource_reference(&surf->texture, NULL);
299 FREE(surf);
300 }
301
302
303 static INLINE void
svga_mark_surface_dirty(struct pipe_surface * surf)304 svga_mark_surface_dirty(struct pipe_surface *surf)
305 {
306 struct svga_surface *s = svga_surface(surf);
307
308 if (!s->dirty) {
309 struct svga_texture *tex = svga_texture(surf->texture);
310
311 s->dirty = TRUE;
312
313 if (s->handle == tex->handle) {
314 /* hmm so 3d textures always have all their slices marked ? */
315 if (surf->texture->target == PIPE_TEXTURE_CUBE)
316 tex->defined[surf->u.tex.first_layer][surf->u.tex.level] = TRUE;
317 else
318 tex->defined[0][surf->u.tex.level] = TRUE;
319 }
320 else {
321 /* this will happen later in svga_propagate_surface */
322 }
323
324 /* Increment the view_age and texture age for this surface's slice
325 * so that any sampler views into the texture are re-validated too.
326 */
327 tex->view_age[surf->u.tex.first_layer] = ++(tex->age);
328 }
329 }
330
331
332 void
svga_mark_surfaces_dirty(struct svga_context * svga)333 svga_mark_surfaces_dirty(struct svga_context *svga)
334 {
335 unsigned i;
336
337 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
338 if (svga->curr.framebuffer.cbufs[i])
339 svga_mark_surface_dirty(svga->curr.framebuffer.cbufs[i]);
340 }
341 if (svga->curr.framebuffer.zsbuf)
342 svga_mark_surface_dirty(svga->curr.framebuffer.zsbuf);
343 }
344
345
346 /**
347 * Progagate any changes from surfaces to texture.
348 * pipe is optional context to inline the blit command in.
349 */
350 void
svga_propagate_surface(struct svga_context * svga,struct pipe_surface * surf)351 svga_propagate_surface(struct svga_context *svga, struct pipe_surface *surf)
352 {
353 struct svga_surface *s = svga_surface(surf);
354 struct svga_texture *tex = svga_texture(surf->texture);
355 struct svga_screen *ss = svga_screen(surf->texture->screen);
356 unsigned zslice, face;
357
358 if (!s->dirty)
359 return;
360
361 if (surf->texture->target == PIPE_TEXTURE_CUBE) {
362 zslice = 0;
363 face = surf->u.tex.first_layer;
364 }
365 else {
366 zslice = surf->u.tex.first_layer;
367 face = 0;
368 }
369
370 s->dirty = FALSE;
371 ss->texture_timestamp++;
372 tex->view_age[surf->u.tex.level] = ++(tex->age);
373
374 if (s->handle != tex->handle) {
375 SVGA_DBG(DEBUG_VIEWS,
376 "svga: Surface propagate: tex %p, level %u, from %p\n",
377 tex, surf->u.tex.level, surf);
378 svga_texture_copy_handle(svga,
379 s->handle, 0, 0, 0, s->real_level, s->real_face,
380 tex->handle, 0, 0, zslice, surf->u.tex.level, face,
381 u_minify(tex->b.b.width0, surf->u.tex.level),
382 u_minify(tex->b.b.height0, surf->u.tex.level), 1);
383 tex->defined[face][surf->u.tex.level] = TRUE;
384 }
385 }
386
387
388 /**
389 * Check if we should call svga_propagate_surface on the surface.
390 */
391 boolean
svga_surface_needs_propagation(const struct pipe_surface * surf)392 svga_surface_needs_propagation(const struct pipe_surface *surf)
393 {
394 const struct svga_surface *s = svga_surface_const(surf);
395 struct svga_texture *tex = svga_texture(surf->texture);
396
397 return s->dirty && s->handle != tex->handle;
398 }
399
400
401
402 void
svga_init_surface_functions(struct svga_context * svga)403 svga_init_surface_functions(struct svga_context *svga)
404 {
405 svga->pipe.create_surface = svga_create_surface;
406 svga->pipe.surface_destroy = svga_surface_destroy;
407 }
408