1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ 2 3 /* 4 * Copyright (C) 2012 Rob Clark <robclark (at) freedesktop.org> 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 * 25 * Authors: 26 * Rob Clark <robclark (at) freedesktop.org> 27 */ 28 29 #ifndef FREEDRENO_RESOURCE_H_ 30 #define FREEDRENO_RESOURCE_H_ 31 32 #include "util/list.h" 33 #include "util/u_range.h" 34 #include "util/u_transfer.h" 35 36 #include "freedreno_batch.h" 37 #include "freedreno_util.h" 38 39 /* Texture Layout on a3xx: 40 * 41 * Each mipmap-level contains all of it's layers (ie. all cubmap 42 * faces, all 1d/2d array elements, etc). The texture sampler is 43 * programmed with the start address of each mipmap level, and hw 44 * derives the layer offset within the level. 45 * 46 * Texture Layout on a4xx: 47 * 48 * For cubemap and 2d array, each layer contains all of it's mipmap 49 * levels (layer_first layout). 50 * 51 * 3d textures are layed out as on a3xx, but unknown about 3d-array 52 * textures. 53 * 54 * In either case, the slice represents the per-miplevel information, 55 * but in layer_first layout it only includes the first layer, and 56 * an additional offset of (rsc->layer_size * layer) must be added. 57 */ 58 struct fd_resource_slice { 59 uint32_t offset; /* offset of first layer in slice */ 60 uint32_t pitch; 61 uint32_t size0; /* size of first layer in slice */ 62 }; 63 64 struct set; 65 66 struct fd_resource { 67 struct u_resource base; 68 struct fd_bo *bo; 69 uint32_t cpp; 70 enum pipe_format internal_format; 71 bool layer_first; /* see above description */ 72 uint32_t layer_size; 73 struct fd_resource_slice slices[MAX_MIP_LEVELS]; 74 uint32_t timestamp; 75 /* buffer range that has been initialized */ 76 struct util_range valid_buffer_range; 77 78 /* reference to the resource holding stencil data for a z32_s8 texture */ 79 /* TODO rename to secondary or auxiliary? */ 80 struct fd_resource *stencil; 81 82 /* bitmask of in-flight batches which reference this resource. Note 83 * that the batch doesn't hold reference to resources (but instead 84 * the fd_ringbuffer holds refs to the underlying fd_bo), but in case 85 * the resource is destroyed we need to clean up the batch's weak 86 * references to us. 87 */ 88 uint32_t batch_mask; 89 90 /* reference to batch that writes this resource: */ 91 struct fd_batch *write_batch; 92 93 /* Set of batches whose batch-cache key references this resource. 94 * We need to track this to know which batch-cache entries to 95 * invalidate if, for example, the resource is invalidated or 96 * shadowed. 97 */ 98 uint32_t bc_batch_mask; 99 }; 100 101 static inline struct fd_resource * 102 fd_resource(struct pipe_resource *ptex) 103 { 104 return (struct fd_resource *)ptex; 105 } 106 107 static inline bool 108 pending(struct fd_resource *rsc, bool write) 109 { 110 /* if we have a pending GPU write, we are busy in any case: */ 111 if (rsc->write_batch) 112 return true; 113 114 /* if CPU wants to write, but we are pending a GPU read, we are busy: */ 115 if (write && rsc->batch_mask) 116 return true; 117 118 if (rsc->stencil && pending(rsc->stencil, write)) 119 return true; 120 121 return false; 122 } 123 124 struct fd_transfer { 125 struct pipe_transfer base; 126 void *staging; 127 }; 128 129 static inline struct fd_transfer * 130 fd_transfer(struct pipe_transfer *ptrans) 131 { 132 return (struct fd_transfer *)ptrans; 133 } 134 135 static inline struct fd_resource_slice * 136 fd_resource_slice(struct fd_resource *rsc, unsigned level) 137 { 138 assert(level <= rsc->base.b.last_level); 139 return &rsc->slices[level]; 140 } 141 142 /* get offset for specified mipmap level and texture/array layer */ 143 static inline uint32_t 144 fd_resource_offset(struct fd_resource *rsc, unsigned level, unsigned layer) 145 { 146 struct fd_resource_slice *slice = fd_resource_slice(rsc, level); 147 unsigned offset; 148 if (rsc->layer_first) { 149 offset = slice->offset + (rsc->layer_size * layer); 150 } else { 151 offset = slice->offset + (slice->size0 * layer); 152 } 153 debug_assert(offset < fd_bo_size(rsc->bo)); 154 return offset; 155 } 156 157 void fd_blitter_pipe_begin(struct fd_context *ctx, bool render_cond, bool discard, 158 enum fd_render_stage stage); 159 void fd_blitter_pipe_end(struct fd_context *ctx); 160 161 void fd_resource_screen_init(struct pipe_screen *pscreen); 162 void fd_resource_context_init(struct pipe_context *pctx); 163 164 void fd_resource_resize(struct pipe_resource *prsc, uint32_t sz); 165 166 bool fd_render_condition_check(struct pipe_context *pctx); 167 168 #endif /* FREEDRENO_RESOURCE_H_ */ 169
