svga_surface.c revision af69d88d 
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
44void
45svga_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
103struct svga_winsys_surface *
104svga_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
131   if (tex->b.b.target == PIPE_TEXTURE_CUBE && face_pick < 0) {
132      key->flags |= SVGA3D_SURFACE_CUBEMAP;
133      key->numFaces = 6;
134   } else {
135      key->numFaces = 1;
136   }
137
138   if (key->format == SVGA3D_FORMAT_INVALID) {
139      key->cachable = 0;
140      return NULL;
141   }
142
143   SVGA_DBG(DEBUG_DMA, "surface_create for texture view\n");
144   handle = svga_screen_surface_create(ss, key);
145   if (!handle) {
146      key->cachable = 0;
147      return NULL;
148   }
149
150   SVGA_DBG(DEBUG_DMA, " --> got sid %p (texture view)\n", handle);
151
152   if (face_pick < 0)
153      face_pick = 0;
154
155   if (zslice_pick >= 0)
156      z_offset = zslice_pick;
157
158   for (i = 0; i < key->numMipLevels; i++) {
159      for (j = 0; j < key->numFaces; j++) {
160         if (svga_is_texture_level_defined(tex, j + face_pick, i + start_mip)) {
161            unsigned depth = (zslice_pick < 0 ?
162                              u_minify(tex->b.b.depth0, i + start_mip) :
163                              1);
164
165            svga_texture_copy_handle(svga,
166                                     tex->handle,
167                                     0, 0, z_offset,
168                                     i + start_mip,
169                                     j + face_pick,
170                                     handle, 0, 0, 0, i, j,
171                                     u_minify(tex->b.b.width0, i + start_mip),
172                                     u_minify(tex->b.b.height0, i + start_mip),
173                                     depth);
174         }
175      }
176   }
177
178   return handle;
179}
180
181
182static struct pipe_surface *
183svga_create_surface(struct pipe_context *pipe,
184                    struct pipe_resource *pt,
185                    const struct pipe_surface *surf_tmpl)
186{
187   struct svga_context *svga = svga_context(pipe);
188   struct svga_texture *tex = svga_texture(pt);
189   struct pipe_screen *screen = pipe->screen;
190   struct svga_screen *ss = svga_screen(screen);
191   struct svga_surface *s;
192   unsigned face, zslice;
193   boolean view = FALSE;
194   SVGA3dSurfaceFlags flags;
195   SVGA3dSurfaceFormat format;
196
197   assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
198
199   s = CALLOC_STRUCT(svga_surface);
200   if (!s)
201      return NULL;
202
203   if (pt->target == PIPE_TEXTURE_CUBE) {
204      face = surf_tmpl->u.tex.first_layer;
205      zslice = 0;
206   }
207   else {
208      face = 0;
209      zslice = surf_tmpl->u.tex.first_layer;
210   }
211
212   pipe_reference_init(&s->base.reference, 1);
213   pipe_resource_reference(&s->base.texture, pt);
214   s->base.context = pipe;
215   s->base.format = surf_tmpl->format;
216   s->base.width = u_minify(pt->width0, surf_tmpl->u.tex.level);
217   s->base.height = u_minify(pt->height0, surf_tmpl->u.tex.level);
218   s->base.u.tex.level = surf_tmpl->u.tex.level;
219   s->base.u.tex.first_layer = surf_tmpl->u.tex.first_layer;
220   s->base.u.tex.last_layer = surf_tmpl->u.tex.last_layer;
221
222   if (util_format_is_depth_or_stencil(surf_tmpl->format)) {
223      flags = SVGA3D_SURFACE_HINT_DEPTHSTENCIL;
224   }
225   else {
226      flags = SVGA3D_SURFACE_HINT_RENDERTARGET;
227   }
228
229   format = svga_translate_format(ss, surf_tmpl->format, 0);
230   assert(format != SVGA3D_FORMAT_INVALID);
231
232   if (svga_screen(screen)->debug.force_surface_view)
233      view = TRUE;
234
235   /* Currently only used for compressed textures */
236   if (format != svga_translate_format(ss, surf_tmpl->format, 0)) {
237      view = TRUE;
238   }
239
240   if (surf_tmpl->u.tex.level != 0 &&
241       svga_screen(screen)->debug.force_level_surface_view)
242      view = TRUE;
243
244   if (pt->target == PIPE_TEXTURE_3D)
245      view = TRUE;
246
247   if (svga_screen(screen)->debug.no_surface_view)
248      view = FALSE;
249
250   if (view) {
251      SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: yes %p, level %u face %u z %u, %p\n",
252               pt, surf_tmpl->u.tex.level, face, zslice, s);
253
254      s->handle = svga_texture_view_surface(svga, tex, flags, format,
255                                            surf_tmpl->u.tex.level,
256                                            1, face, zslice, &s->key);
257      s->real_face = 0;
258      s->real_level = 0;
259      s->real_zslice = 0;
260   } else {
261      SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: no %p, level %u, face %u, z %u, %p\n",
262               pt, surf_tmpl->u.tex.level, face, zslice, s);
263
264      memset(&s->key, 0, sizeof s->key);
265      s->handle = tex->handle;
266      s->real_face = face;
267      s->real_zslice = zslice;
268      s->real_level = surf_tmpl->u.tex.level;
269   }
270
271   return &s->base;
272}
273
274
275static void
276svga_surface_destroy(struct pipe_context *pipe,
277                     struct pipe_surface *surf)
278{
279   struct svga_surface *s = svga_surface(surf);
280   struct svga_texture *t = svga_texture(surf->texture);
281   struct svga_screen *ss = svga_screen(surf->texture->screen);
282
283   if (s->handle != t->handle) {
284      SVGA_DBG(DEBUG_DMA, "unref sid %p (tex surface)\n", s->handle);
285      svga_screen_surface_destroy(ss, &s->key, &s->handle);
286   }
287
288   pipe_resource_reference(&surf->texture, NULL);
289   FREE(surf);
290}
291
292
293static void
294svga_mark_surface_dirty(struct pipe_surface *surf)
295{
296   struct svga_surface *s = svga_surface(surf);
297
298   if (!s->dirty) {
299      struct svga_texture *tex = svga_texture(surf->texture);
300
301      s->dirty = TRUE;
302
303      if (s->handle == tex->handle) {
304         /* hmm so 3d textures always have all their slices marked ? */
305         if (surf->texture->target == PIPE_TEXTURE_CUBE)
306            svga_define_texture_level(tex, surf->u.tex.first_layer,
307                                      surf->u.tex.level);
308         else
309            svga_define_texture_level(tex, 0, surf->u.tex.level);
310      }
311      else {
312         /* this will happen later in svga_propagate_surface */
313      }
314
315      /* Increment the view_age and texture age for this surface's mipmap
316       * level so that any sampler views into the texture are re-validated too.
317       */
318      svga_age_texture_view(tex, surf->u.tex.level);
319   }
320}
321
322
323void
324svga_mark_surfaces_dirty(struct svga_context *svga)
325{
326   struct svga_screen *svgascreen = svga_screen(svga->pipe.screen);
327   unsigned i;
328
329   for (i = 0; i < svgascreen->max_color_buffers; i++) {
330      if (svga->curr.framebuffer.cbufs[i])
331         svga_mark_surface_dirty(svga->curr.framebuffer.cbufs[i]);
332   }
333   if (svga->curr.framebuffer.zsbuf)
334      svga_mark_surface_dirty(svga->curr.framebuffer.zsbuf);
335}
336
337
338/**
339 * Progagate any changes from surfaces to texture.
340 * pipe is optional context to inline the blit command in.
341 */
342void
343svga_propagate_surface(struct svga_context *svga, struct pipe_surface *surf)
344{
345   struct svga_surface *s = svga_surface(surf);
346   struct svga_texture *tex = svga_texture(surf->texture);
347   struct svga_screen *ss = svga_screen(surf->texture->screen);
348   unsigned zslice, face;
349
350   if (!s->dirty)
351      return;
352
353   if (surf->texture->target == PIPE_TEXTURE_CUBE) {
354      zslice = 0;
355      face = surf->u.tex.first_layer;
356   }
357   else {
358      zslice = surf->u.tex.first_layer;
359      face = 0;
360   }
361
362   s->dirty = FALSE;
363   ss->texture_timestamp++;
364   svga_age_texture_view(tex, surf->u.tex.level);
365
366   if (s->handle != tex->handle) {
367      SVGA_DBG(DEBUG_VIEWS,
368               "svga: Surface propagate: tex %p, level %u, from %p\n",
369               tex, surf->u.tex.level, surf);
370      svga_texture_copy_handle(svga,
371                               s->handle, 0, 0, 0, s->real_level, s->real_face,
372                               tex->handle, 0, 0, zslice, surf->u.tex.level, face,
373                               u_minify(tex->b.b.width0, surf->u.tex.level),
374                               u_minify(tex->b.b.height0, surf->u.tex.level), 1);
375      svga_define_texture_level(tex, face, surf->u.tex.level);
376   }
377}
378
379
380/**
381 * Check if we should call svga_propagate_surface on the surface.
382 */
383boolean
384svga_surface_needs_propagation(const struct pipe_surface *surf)
385{
386   const struct svga_surface *s = svga_surface_const(surf);
387   struct svga_texture *tex = svga_texture(surf->texture);
388
389   return s->dirty && s->handle != tex->handle;
390}
391
392
393
394void
395svga_init_surface_functions(struct svga_context *svga)
396{
397   svga->pipe.create_surface = svga_create_surface;
398   svga->pipe.surface_destroy = svga_surface_destroy;
399}
400