/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ /* * Copyright (C) 2012 Rob Clark * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * Authors: * Rob Clark */ #ifndef FREEDRENO_RESOURCE_H_ #define FREEDRENO_RESOURCE_H_ #include "util/u_double_list.h" #include "util/u_range.h" #include "util/u_transfer.h" #include "freedreno_util.h" /* Texture Layout on a3xx: * * Each mipmap-level contains all of it's layers (ie. all cubmap * faces, all 1d/2d array elements, etc). The texture sampler is * programmed with the start address of each mipmap level, and hw * derives the layer offset within the level. * * Texture Layout on a4xx: * * For cubemap and 2d array, each layer contains all of it's mipmap * levels (layer_first layout). * * 3d textures are layed out as on a3xx, but unknown about 3d-array * textures. * * In either case, the slice represents the per-miplevel information, * but in layer_first layout it only includes the first layer, and * an additional offset of (rsc->layer_size * layer) must be added. */ struct fd_resource_slice { uint32_t offset; /* offset of first layer in slice */ uint32_t pitch; uint32_t size0; /* size of first layer in slice */ }; struct fd_resource { struct u_resource base; struct fd_bo *bo; uint32_t cpp; bool layer_first; /* see above description */ uint32_t layer_size; struct fd_resource_slice slices[MAX_MIP_LEVELS]; uint32_t timestamp; bool dirty, reading; /* buffer range that has been initialized */ struct util_range valid_buffer_range; struct list_head list; }; static INLINE struct fd_resource * fd_resource(struct pipe_resource *ptex) { return (struct fd_resource *)ptex; } static INLINE struct fd_resource_slice * fd_resource_slice(struct fd_resource *rsc, unsigned level) { assert(level <= rsc->base.b.last_level); return &rsc->slices[level]; } /* get offset for specified mipmap level and texture/array layer */ static INLINE uint32_t fd_resource_offset(struct fd_resource *rsc, unsigned level, unsigned layer) { struct fd_resource_slice *slice = fd_resource_slice(rsc, level); unsigned offset; if (rsc->layer_first) { offset = slice->offset + (rsc->layer_size * layer); } else { offset = slice->offset + (slice->size0 * layer); } debug_assert(offset < fd_bo_size(rsc->bo)); return offset; } void fd_resource_screen_init(struct pipe_screen *pscreen); void fd_resource_context_init(struct pipe_context *pctx); #endif /* FREEDRENO_RESOURCE_H_ */