| /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ |
| |
| /* |
| * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org> |
| * |
| * 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 <robclark@freedesktop.org> |
| */ |
| |
| #ifndef FREEDRENO_RESOURCE_H_ |
| #define FREEDRENO_RESOURCE_H_ |
| |
| #include "util/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; |
| |
| /* reference to the resource holding stencil data for a z32_s8 texture */ |
| struct fd_resource *stencil; |
| |
| struct list_head list; |
| }; |
| |
| static INLINE struct fd_resource * |
| fd_resource(struct pipe_resource *ptex) |
| { |
| return (struct fd_resource *)ptex; |
| } |
| |
| struct fd_transfer { |
| struct pipe_transfer base; |
| void *staging; |
| }; |
| |
| static INLINE struct fd_transfer * |
| fd_transfer(struct pipe_transfer *ptrans) |
| { |
| return (struct fd_transfer *)ptrans; |
| } |
| |
| 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_ */ |