12a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)/********************************************************** 22a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * Copyright 2008-2009 VMware, Inc. All rights reserved. 32a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * 42a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * Permission is hereby granted, free of charge, to any person 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * obtaining a copy of this software and associated documentation 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * files (the "Software"), to deal in the Software without 72a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * restriction, including without limitation the rights to use, copy, 82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * modify, merge, publish, distribute, sublicense, and/or sell copies 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * of the Software, and to permit persons to whom the Software is 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * furnished to do so, subject to the following conditions: 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * The above copyright notice and this permission notice shall be 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * included in all copies or substantial portions of the Software. 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * 152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 18a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * SOFTWARE. 232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) **********************************************************/ 252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#ifndef SVGA_SAMPLER_VIEW_H 27a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#define SVGA_SAMPLER_VIEW_H 282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "pipe/p_compiler.h" 312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "pipe/p_state.h" 322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "util/u_inlines.h" 332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "svga_screen_cache.h" 342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)struct pipe_context; 362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)struct pipe_screen; 372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)struct svga_context; 382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)struct svga_winsys_surface; 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)enum SVGA3dSurfaceFormat; 402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)/** 432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * A sampler's view into a texture 442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * 452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * We currently cache one sampler view on 462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * the texture and in there by holding a reference 472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * from the texture to the sampler view. 482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * 492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * Because of this we can not hold a refernce to the 502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * texture from the sampler view. So the user 512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * of the sampler views must make sure that the 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * texture has a reference take for as long as 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * the sampler view is refrenced. 542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * 552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * Just unreferencing the sampler_view before the 562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * texture is enough. 572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) */ 582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)struct svga_sampler_view 592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles){ 60f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) struct pipe_reference reference; 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) struct pipe_resource *texture; 632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int min_lod; 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int max_lod; 662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) unsigned age; 682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) struct svga_host_surface_cache_key key; 702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) struct svga_winsys_surface *handle; 712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)extern struct svga_sampler_view * 762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)svga_get_tex_sampler_view(struct pipe_context *pipe, 772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) struct pipe_resource *pt, 782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) unsigned min_lod, unsigned max_lod); 792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void 812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)svga_validate_sampler_view(struct svga_context *svga, struct svga_sampler_view *v); 822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void 842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)svga_destroy_sampler_view_priv(struct svga_sampler_view *v); 852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void 872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)svga_debug_describe_sampler_view(char *buf, const struct svga_sampler_view *sv); 882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)static INLINE void 902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)svga_sampler_view_reference(struct svga_sampler_view **ptr, struct svga_sampler_view *v) 91{ 92 struct svga_sampler_view *old = *ptr; 93 94 if (pipe_reference_described(&(*ptr)->reference, &v->reference, 95 (debug_reference_descriptor)svga_debug_describe_sampler_view)) 96 svga_destroy_sampler_view_priv(old); 97 *ptr = v; 98} 99 100 101#endif 102