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1 /*
2  * Copyright 2018 Collabora Ltd.
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 AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
22  */
23 
24 #include "zink_context.h"
25 #include "zink_framebuffer.h"
26 #include "zink_resource.h"
27 #include "zink_screen.h"
28 #include "zink_surface.h"
29 #include "zink_kopper.h"
30 
31 #include "util/format/u_format.h"
32 #include "util/u_inlines.h"
33 #include "util/u_memory.h"
34 
35 VkImageViewCreateInfo
create_ivci(struct zink_screen * screen,struct zink_resource * res,const struct pipe_surface * templ,enum pipe_texture_target target)36 create_ivci(struct zink_screen *screen,
37             struct zink_resource *res,
38             const struct pipe_surface *templ,
39             enum pipe_texture_target target)
40 {
41    VkImageViewCreateInfo ivci;
42    /* zero holes since this is hashed */
43    memset(&ivci, 0, sizeof(VkImageViewCreateInfo));
44    ivci.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
45    ivci.image = res->obj->image;
46 
47    switch (target) {
48    case PIPE_TEXTURE_1D:
49       ivci.viewType = res->need_2D ? VK_IMAGE_VIEW_TYPE_2D : VK_IMAGE_VIEW_TYPE_1D;
50       break;
51 
52    case PIPE_TEXTURE_1D_ARRAY:
53       ivci.viewType = res->need_2D ? VK_IMAGE_VIEW_TYPE_2D_ARRAY : VK_IMAGE_VIEW_TYPE_1D_ARRAY;
54       break;
55 
56    case PIPE_TEXTURE_2D:
57    case PIPE_TEXTURE_RECT:
58       ivci.viewType = VK_IMAGE_VIEW_TYPE_2D;
59       break;
60 
61    case PIPE_TEXTURE_2D_ARRAY:
62       ivci.viewType = VK_IMAGE_VIEW_TYPE_2D_ARRAY;
63       break;
64 
65    case PIPE_TEXTURE_CUBE:
66       ivci.viewType = VK_IMAGE_VIEW_TYPE_CUBE;
67       break;
68 
69    case PIPE_TEXTURE_CUBE_ARRAY:
70       ivci.viewType = VK_IMAGE_VIEW_TYPE_CUBE_ARRAY;
71       break;
72 
73    case PIPE_TEXTURE_3D:
74       ivci.viewType = VK_IMAGE_VIEW_TYPE_3D;
75       break;
76 
77    default:
78       unreachable("unsupported target");
79    }
80 
81    ivci.format = zink_get_format(screen, templ->format);
82    assert(ivci.format != VK_FORMAT_UNDEFINED);
83 
84    /* TODO: it's currently illegal to use non-identity swizzles for framebuffer attachments,
85     * but if that ever changes, this will be useful
86    const struct util_format_description *desc = util_format_description(templ->format);
87    ivci.components.r = zink_component_mapping(zink_clamp_void_swizzle(desc, PIPE_SWIZZLE_X));
88    ivci.components.g = zink_component_mapping(zink_clamp_void_swizzle(desc, PIPE_SWIZZLE_Y));
89    ivci.components.b = zink_component_mapping(zink_clamp_void_swizzle(desc, PIPE_SWIZZLE_Z));
90    ivci.components.a = zink_component_mapping(zink_clamp_void_swizzle(desc, PIPE_SWIZZLE_W));
91    */
92    ivci.components.r = VK_COMPONENT_SWIZZLE_R;
93    ivci.components.g = VK_COMPONENT_SWIZZLE_G;
94    ivci.components.b = VK_COMPONENT_SWIZZLE_B;
95    ivci.components.a = VK_COMPONENT_SWIZZLE_A;
96 
97    ivci.subresourceRange.aspectMask = res->aspect;
98    ivci.subresourceRange.baseMipLevel = templ->u.tex.level;
99    ivci.subresourceRange.levelCount = 1;
100    ivci.subresourceRange.baseArrayLayer = templ->u.tex.first_layer;
101    ivci.subresourceRange.layerCount = 1 + templ->u.tex.last_layer - templ->u.tex.first_layer;
102    assert(ivci.viewType != VK_IMAGE_VIEW_TYPE_3D || ivci.subresourceRange.baseArrayLayer == 0);
103    assert(ivci.viewType != VK_IMAGE_VIEW_TYPE_3D || ivci.subresourceRange.layerCount == 1);
104    ivci.viewType = zink_surface_clamp_viewtype(ivci.viewType, templ->u.tex.first_layer, templ->u.tex.last_layer, res->base.b.array_size);
105 
106    return ivci;
107 }
108 
109 static void
init_surface_info(struct zink_surface * surface,struct zink_resource * res,VkImageViewCreateInfo * ivci)110 init_surface_info(struct zink_surface *surface, struct zink_resource *res, VkImageViewCreateInfo *ivci)
111 {
112    VkImageViewUsageCreateInfo *usage_info = (VkImageViewUsageCreateInfo *)ivci->pNext;
113    surface->info.flags = res->obj->vkflags;
114    surface->info.usage = usage_info ? usage_info->usage : res->obj->vkusage;
115    surface->info.width = surface->base.width;
116    surface->info.height = surface->base.height;
117    surface->info.layerCount = ivci->subresourceRange.layerCount;
118    surface->info.format[0] = ivci->format;
119    if (res->obj->dt) {
120       struct kopper_displaytarget *cdt = res->obj->dt;
121       if (zink_kopper_has_srgb(cdt))
122          surface->info.format[1] = ivci->format == cdt->formats[0] ? cdt->formats[1] : cdt->formats[0];
123    }
124    surface->info_hash = _mesa_hash_data(&surface->info, sizeof(surface->info));
125 }
126 
127 static struct zink_surface *
create_surface(struct pipe_context * pctx,struct pipe_resource * pres,const struct pipe_surface * templ,VkImageViewCreateInfo * ivci,bool actually)128 create_surface(struct pipe_context *pctx,
129                struct pipe_resource *pres,
130                const struct pipe_surface *templ,
131                VkImageViewCreateInfo *ivci,
132                bool actually)
133 {
134    struct zink_screen *screen = zink_screen(pctx->screen);
135    struct zink_resource *res = zink_resource(pres);
136    unsigned int level = templ->u.tex.level;
137 
138    struct zink_surface *surface = CALLOC_STRUCT(zink_surface);
139    if (!surface)
140       return NULL;
141 
142    VkImageViewUsageCreateInfo usage_info;
143    usage_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_USAGE_CREATE_INFO;
144    usage_info.pNext = NULL;
145    VkFormatFeatureFlags feats = res->optimal_tiling ?
146                                 screen->format_props[templ->format].optimalTilingFeatures :
147                                 screen->format_props[templ->format].linearTilingFeatures;
148    VkImageUsageFlags attachment = (VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT | VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT);
149    usage_info.usage = res->obj->vkusage & ~attachment;
150    if (res->obj->modifier_aspect) {
151       feats = res->obj->vkfeats;
152       /* intersect format features for current modifier */
153       for (unsigned i = 0; i < screen->modifier_props[templ->format].drmFormatModifierCount; i++) {
154          if (res->obj->modifier == screen->modifier_props[templ->format].pDrmFormatModifierProperties[i].drmFormatModifier)
155             feats &= screen->modifier_props[templ->format].pDrmFormatModifierProperties[i].drmFormatModifierTilingFeatures;
156       }
157    }
158    if ((res->obj->vkusage & attachment) &&
159        !(feats & (VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT | VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT))) {
160       ivci->pNext = &usage_info;
161    }
162 
163    pipe_resource_reference(&surface->base.texture, pres);
164    pipe_reference_init(&surface->base.reference, 1);
165    surface->base.context = pctx;
166    surface->base.format = templ->format;
167    surface->base.width = u_minify(pres->width0, level);
168    assert(surface->base.width);
169    surface->base.height = u_minify(pres->height0, level);
170    assert(surface->base.height);
171    surface->base.nr_samples = templ->nr_samples;
172    surface->base.u.tex.level = level;
173    surface->base.u.tex.first_layer = templ->u.tex.first_layer;
174    surface->base.u.tex.last_layer = templ->u.tex.last_layer;
175    surface->obj = zink_resource(pres)->obj;
176    util_dynarray_init(&surface->desc_set_refs.refs, NULL);
177 
178    init_surface_info(surface, res, ivci);
179 
180    if (!actually)
181       return surface;
182    assert(ivci->image);
183    VkResult result = VKSCR(CreateImageView)(screen->dev, ivci, NULL,
184                                             &surface->image_view);
185    if (result != VK_SUCCESS) {
186       mesa_loge("ZINK: vkCreateImageView failed (%s)", vk_Result_to_str(result));
187       FREE(surface);
188       return NULL;
189    }
190 
191    return surface;
192 }
193 
194 static uint32_t
hash_ivci(const void * key)195 hash_ivci(const void *key)
196 {
197    return _mesa_hash_data((char*)key + offsetof(VkImageViewCreateInfo, flags), sizeof(VkImageViewCreateInfo) - offsetof(VkImageViewCreateInfo, flags));
198 }
199 
200 static struct zink_surface *
do_create_surface(struct pipe_context * pctx,struct pipe_resource * pres,const struct pipe_surface * templ,VkImageViewCreateInfo * ivci,uint32_t hash,bool actually)201 do_create_surface(struct pipe_context *pctx, struct pipe_resource *pres, const struct pipe_surface *templ, VkImageViewCreateInfo *ivci, uint32_t hash, bool actually)
202 {
203    /* create a new surface */
204    struct zink_surface *surface = create_surface(pctx, pres, templ, ivci, actually);
205    surface->base.nr_samples = 0;
206    surface->hash = hash;
207    surface->ivci = *ivci;
208    return surface;
209 }
210 
211 struct pipe_surface *
zink_get_surface(struct zink_context * ctx,struct pipe_resource * pres,const struct pipe_surface * templ,VkImageViewCreateInfo * ivci)212 zink_get_surface(struct zink_context *ctx,
213             struct pipe_resource *pres,
214             const struct pipe_surface *templ,
215             VkImageViewCreateInfo *ivci)
216 {
217    struct zink_surface *surface = NULL;
218    struct zink_resource *res = zink_resource(pres);
219    uint32_t hash = hash_ivci(ivci);
220 
221    simple_mtx_lock(&res->surface_mtx);
222    struct hash_entry *entry = _mesa_hash_table_search_pre_hashed(&res->surface_cache, hash, ivci);
223 
224    if (!entry) {
225       /* create a new surface */
226       surface = do_create_surface(&ctx->base, pres, templ, ivci, hash, true);
227       entry = _mesa_hash_table_insert_pre_hashed(&res->surface_cache, hash, &surface->ivci, surface);
228       if (!entry) {
229          simple_mtx_unlock(&res->surface_mtx);
230          return NULL;
231       }
232 
233       surface = entry->data;
234    } else {
235       surface = entry->data;
236       p_atomic_inc(&surface->base.reference.count);
237    }
238    simple_mtx_unlock(&res->surface_mtx);
239 
240    return &surface->base;
241 }
242 
243 static struct pipe_surface *
wrap_surface(struct pipe_context * pctx,struct pipe_surface * psurf)244 wrap_surface(struct pipe_context *pctx, struct pipe_surface *psurf)
245 {
246    struct zink_ctx_surface *csurf = CALLOC_STRUCT(zink_ctx_surface);
247    csurf->base = *psurf;
248    pipe_reference_init(&csurf->base.reference, 1);
249    csurf->surf = (struct zink_surface*)psurf;
250    csurf->base.context = pctx;
251 
252    return &csurf->base;
253 }
254 
255 static struct pipe_surface *
zink_create_surface(struct pipe_context * pctx,struct pipe_resource * pres,const struct pipe_surface * templ)256 zink_create_surface(struct pipe_context *pctx,
257                     struct pipe_resource *pres,
258                     const struct pipe_surface *templ)
259 {
260    struct zink_resource *res = zink_resource(pres);
261    bool is_array = templ->u.tex.last_layer != templ->u.tex.first_layer;
262    enum pipe_texture_target target_2d[] = {PIPE_TEXTURE_2D, PIPE_TEXTURE_2D_ARRAY};
263    VkImageViewCreateInfo ivci = create_ivci(zink_screen(pctx->screen), res, templ,
264                                             pres->target == PIPE_TEXTURE_3D ? target_2d[is_array] : pres->target);
265 
266    struct pipe_surface *psurf = NULL;
267    if (res->obj->dt) {
268       /* don't cache swapchain surfaces. that's weird. */
269       struct zink_surface *surface = do_create_surface(pctx, pres, templ, &ivci, 0, false);
270       if (surface) {
271          surface->is_swapchain = true;
272          psurf = &surface->base;
273       }
274    } else
275       psurf = zink_get_surface(zink_context(pctx), pres, templ, &ivci);
276    if (!psurf)
277       return NULL;
278 
279    struct zink_ctx_surface *csurf = (struct zink_ctx_surface*)wrap_surface(pctx, psurf);
280 
281    if (templ->nr_samples) {
282       /* transient fb attachment: not cached */
283       struct pipe_resource rtempl = *pres;
284       rtempl.nr_samples = templ->nr_samples;
285       rtempl.bind |= ZINK_BIND_TRANSIENT;
286       struct zink_resource *transient = zink_resource(pctx->screen->resource_create(pctx->screen, &rtempl));
287       if (!transient)
288          return NULL;
289       ivci.image = transient->obj->image;
290       csurf->transient = (struct zink_ctx_surface*)wrap_surface(pctx, (struct pipe_surface*)create_surface(pctx, &transient->base.b, templ, &ivci, true));
291       if (!csurf->transient) {
292          pipe_resource_reference((struct pipe_resource**)&transient, NULL);
293          pipe_surface_release(pctx, &psurf);
294          return NULL;
295       }
296       pipe_resource_reference((struct pipe_resource**)&transient, NULL);
297    }
298 
299    return &csurf->base;
300 }
301 
302 void
zink_destroy_surface(struct zink_screen * screen,struct pipe_surface * psurface)303 zink_destroy_surface(struct zink_screen *screen, struct pipe_surface *psurface)
304 {
305    struct zink_surface *surface = zink_surface(psurface);
306    struct zink_resource *res = zink_resource(psurface->texture);
307    if (!psurface->nr_samples && !surface->is_swapchain) {
308       simple_mtx_lock(&res->surface_mtx);
309       if (psurface->reference.count) {
310          /* got a cache hit during deletion */
311          simple_mtx_unlock(&res->surface_mtx);
312          return;
313       }
314       struct hash_entry *he = _mesa_hash_table_search_pre_hashed(&res->surface_cache, surface->hash, &surface->ivci);
315       assert(he);
316       assert(he->data == surface);
317       _mesa_hash_table_remove(&res->surface_cache, he);
318       simple_mtx_unlock(&res->surface_mtx);
319    }
320    zink_descriptor_set_refs_clear(&surface->desc_set_refs, surface);
321    if (surface->simage_view)
322       VKSCR(DestroyImageView)(screen->dev, surface->simage_view, NULL);
323    if (surface->is_swapchain) {
324       for (unsigned i = 0; i < surface->old_swapchain_size; i++)
325          VKSCR(DestroyImageView)(screen->dev, surface->old_swapchain[i], NULL);
326       for (unsigned i = 0; i < surface->swapchain_size; i++)
327          VKSCR(DestroyImageView)(screen->dev, surface->swapchain[i], NULL);
328       free(surface->swapchain);
329    } else
330       VKSCR(DestroyImageView)(screen->dev, surface->image_view, NULL);
331    pipe_resource_reference(&psurface->texture, NULL);
332    FREE(surface);
333 }
334 
335 static void
zink_surface_destroy(struct pipe_context * pctx,struct pipe_surface * psurface)336 zink_surface_destroy(struct pipe_context *pctx,
337                      struct pipe_surface *psurface)
338 {
339    struct zink_ctx_surface *csurf = (struct zink_ctx_surface *)psurface;
340    zink_surface_reference(zink_screen(pctx->screen), &csurf->surf, NULL);
341    pipe_surface_release(pctx, (struct pipe_surface**)&csurf->transient);
342    FREE(csurf);
343 }
344 
345 bool
zink_rebind_surface(struct zink_context * ctx,struct pipe_surface ** psurface)346 zink_rebind_surface(struct zink_context *ctx, struct pipe_surface **psurface)
347 {
348    struct zink_surface *surface = zink_surface(*psurface);
349    struct zink_resource *res = zink_resource((*psurface)->texture);
350    struct zink_screen *screen = zink_screen(ctx->base.screen);
351    if (surface->simage_view)
352       return false;
353    assert(!res->obj->dt);
354    VkImageViewCreateInfo ivci = surface->ivci;
355    ivci.image = res->obj->image;
356    uint32_t hash = hash_ivci(&ivci);
357 
358    simple_mtx_lock(&res->surface_mtx);
359    struct hash_entry *new_entry = _mesa_hash_table_search_pre_hashed(&res->surface_cache, hash, &ivci);
360    if (zink_batch_usage_exists(surface->batch_uses))
361       zink_batch_reference_surface(&ctx->batch, surface);
362    zink_descriptor_set_refs_clear(&surface->desc_set_refs, surface);
363    if (new_entry) {
364       /* reuse existing surface; old one will be cleaned up naturally */
365       struct zink_surface *new_surface = new_entry->data;
366       simple_mtx_unlock(&res->surface_mtx);
367       zink_batch_usage_set(&new_surface->batch_uses, ctx->batch.state);
368       zink_surface_reference(screen, (struct zink_surface**)psurface, new_surface);
369       return true;
370    }
371    struct hash_entry *entry = _mesa_hash_table_search_pre_hashed(&res->surface_cache, surface->hash, &surface->ivci);
372    assert(entry);
373    _mesa_hash_table_remove(&res->surface_cache, entry);
374    VkImageView image_view;
375    VkResult result = VKSCR(CreateImageView)(screen->dev, &ivci, NULL, &image_view);
376    if (result != VK_SUCCESS) {
377       mesa_loge("ZINK: failed to create new imageview (%s)", vk_Result_to_str(result));
378       simple_mtx_unlock(&res->surface_mtx);
379       return false;
380    }
381    surface->hash = hash;
382    surface->ivci = ivci;
383    entry = _mesa_hash_table_insert_pre_hashed(&res->surface_cache, surface->hash, &surface->ivci, surface);
384    assert(entry);
385    surface->simage_view = surface->image_view;
386    surface->image_view = image_view;
387    surface->obj = zink_resource(surface->base.texture)->obj;
388    /* update for imageless fb */
389    surface->info.flags = res->obj->vkflags;
390    surface->info.usage = res->obj->vkusage;
391    surface->info_hash = _mesa_hash_data(&surface->info, sizeof(surface->info));
392    zink_batch_usage_set(&surface->batch_uses, ctx->batch.state);
393    simple_mtx_unlock(&res->surface_mtx);
394    return true;
395 }
396 
397 struct pipe_surface *
zink_surface_create_null(struct zink_context * ctx,enum pipe_texture_target target,unsigned width,unsigned height,unsigned samples)398 zink_surface_create_null(struct zink_context *ctx, enum pipe_texture_target target, unsigned width, unsigned height, unsigned samples)
399 {
400    struct pipe_surface surf_templ = {0};
401 
402    struct pipe_resource *pres;
403    struct pipe_resource templ = {0};
404    templ.width0 = width;
405    templ.height0 = height;
406    templ.depth0 = 1;
407    templ.format = PIPE_FORMAT_R8G8B8A8_UNORM;
408    templ.target = target;
409    templ.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
410    if (samples < 2)
411       templ.bind |= PIPE_BIND_SHADER_IMAGE;
412    templ.nr_samples = samples;
413 
414    pres = ctx->base.screen->resource_create(ctx->base.screen, &templ);
415    if (!pres)
416       return NULL;
417 
418    surf_templ.format = PIPE_FORMAT_R8G8B8A8_UNORM;
419    surf_templ.nr_samples = 0;
420    struct pipe_surface *psurf = ctx->base.create_surface(&ctx->base, pres, &surf_templ);
421    pipe_resource_reference(&pres, NULL);
422    return psurf;
423 }
424 
425 void
zink_context_surface_init(struct pipe_context * context)426 zink_context_surface_init(struct pipe_context *context)
427 {
428    context->create_surface = zink_create_surface;
429    context->surface_destroy = zink_surface_destroy;
430 }
431 
432 void
zink_surface_swapchain_update(struct zink_context * ctx,struct zink_surface * surface)433 zink_surface_swapchain_update(struct zink_context *ctx, struct zink_surface *surface)
434 {
435    struct zink_screen *screen = zink_screen(ctx->base.screen);
436    struct zink_resource *res = zink_resource(surface->base.texture);
437    struct kopper_displaytarget *cdt = res->obj->dt;
438    if (!cdt)
439       return; //dead swapchain
440    if (res->obj->dt != surface->dt) {
441       /* new swapchain: clear out previous old_swapchain and move current swapchain there */
442       for (unsigned i = 0; i < surface->old_swapchain_size; i++)
443          util_dynarray_append(&ctx->batch.state->dead_swapchains, VkImageView, surface->old_swapchain[i]);
444       free(surface->old_swapchain);
445       surface->old_swapchain = surface->swapchain;
446       surface->old_swapchain_size = surface->swapchain_size;
447       surface->swapchain_size = cdt->swapchain->num_images;
448       surface->swapchain = calloc(surface->swapchain_size, sizeof(VkImageView));
449       surface->base.width = res->base.b.width0;
450       surface->base.height = res->base.b.height0;
451       init_surface_info(surface, res, &surface->ivci);
452    }
453    if (!surface->swapchain[res->obj->dt_idx]) {
454       assert(res->obj->image && cdt->swapchain->images[res->obj->dt_idx].image == res->obj->image);
455       surface->ivci.image = res->obj->image;
456       assert(surface->ivci.image);
457       VKSCR(CreateImageView)(screen->dev, &surface->ivci, NULL, &surface->swapchain[res->obj->dt_idx]);
458    }
459    surface->image_view = surface->swapchain[res->obj->dt_idx];
460 }
461