1 /* 2 * Copyright 2014-2017 Broadcom 3 * Copyright (C) 2012 Rob Clark <robclark (at) freedesktop.org> 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the next 13 * paragraph) shall be included in all copies or substantial portions of the 14 * Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 22 * IN THE SOFTWARE. 23 */ 24 25 #ifndef VC5_RESOURCE_H 26 #define VC5_RESOURCE_H 27 28 #include "vc5_screen.h" 29 #include "util/u_transfer.h" 30 31 /* A UIFblock is a 256-byte region of memory that's 256-byte aligned. These 32 * will be grouped in 4x4 blocks (left-to-right, then top-to-bottom) in a 4KB 33 * page. Those pages are then arranged left-to-right, top-to-bottom, to cover 34 * an image. 35 * 36 * The inside of a UIFblock, for packed pixels, will be split into 4 64-byte 37 * utiles. Utiles may be 8x8 (8bpp), 8x4(16bpp) or 4x4 (32bpp). 38 */ 39 40 /** 41 * Tiling mode enum used for vc5_resource.c, which maps directly to the Memory 42 * Format field of render target and Z/Stencil config. 43 */ 44 enum vc5_tiling_mode { 45 /* Untiled resources. Not valid as texture inputs. */ 46 VC5_TILING_RASTER, 47 48 /* Single line of u-tiles. */ 49 VC5_TILING_LINEARTILE, 50 51 /* Departure from standard 4-UIF block column format. */ 52 VC5_TILING_UBLINEAR_1_COLUMN, 53 54 /* Departure from standard 4-UIF block column format. */ 55 VC5_TILING_UBLINEAR_2_COLUMN, 56 57 /* Normal tiling format: grouped in 4x4 UIFblocks, each of which is 58 * split 2x2 into utiles. 59 */ 60 VC5_TILING_UIF_NO_XOR, 61 62 /* Normal tiling format: grouped in 4x4 UIFblocks, each of which is 63 * split 2x2 into utiles. 64 */ 65 VC5_TILING_UIF_XOR, 66 }; 67 68 struct vc5_transfer { 69 struct pipe_transfer base; 70 void *map; 71 }; 72 73 struct vc5_resource_slice { 74 uint32_t offset; 75 uint32_t stride; 76 uint32_t size; 77 enum vc5_tiling_mode tiling; 78 }; 79 80 struct vc5_surface { 81 struct pipe_surface base; 82 uint32_t offset; 83 uint32_t separate_stencil_offset; 84 enum vc5_tiling_mode tiling; 85 enum vc5_tiling_mode separate_stencil_tiling; 86 /** 87 * Output image format for TILE_RENDERING_MODE_CONFIGURATION 88 */ 89 uint8_t format; 90 91 /** 92 * Internal format of the tile buffer for 93 * TILE_RENDERING_MODE_CONFIGURATION. 94 */ 95 uint8_t internal_type; 96 97 /** 98 * internal bpp value (0=32bpp, 2=128bpp) for color buffers in 99 * TILE_RENDERING_MODE_CONFIGURATION. 100 */ 101 uint8_t internal_bpp; 102 103 uint32_t padded_height_of_output_image_in_uif_blocks; 104 uint32_t separate_stencil_padded_height_of_output_image_in_uif_blocks; 105 }; 106 107 struct vc5_resource { 108 struct pipe_resource base; 109 struct vc5_bo *bo; 110 struct vc5_resource_slice slices[VC5_MAX_MIP_LEVELS]; 111 uint32_t cube_map_stride; 112 int cpp; 113 bool tiled; 114 115 /** 116 * Number of times the resource has been written to. 117 * 118 * This is used to track whether we need to load the surface on first 119 * rendering. 120 */ 121 uint64_t writes; 122 123 /** 124 * Bitmask of PIPE_CLEAR_COLOR0, PIPE_CLEAR_DEPTH, PIPE_CLEAR_STENCIL 125 * for which parts of the resource are defined. 126 * 127 * Used for avoiding fallback to quad clears for clearing just depth, 128 * when the stencil contents have never been initialized. Note that 129 * we're lazy and fields not present in the buffer (DEPTH in a color 130 * buffer) may get marked. 131 */ 132 uint32_t initialized_buffers; 133 134 enum pipe_format internal_format; 135 136 /* Resource storing the S8 part of a Z32F_S8 resource, or NULL. */ 137 struct vc5_resource *separate_stencil; 138 }; 139 140 static inline struct vc5_resource * 141 vc5_resource(struct pipe_resource *prsc) 142 { 143 return (struct vc5_resource *)prsc; 144 } 145 146 static inline struct vc5_surface * 147 vc5_surface(struct pipe_surface *psurf) 148 { 149 return (struct vc5_surface *)psurf; 150 } 151 152 static inline struct vc5_transfer * 153 vc5_transfer(struct pipe_transfer *ptrans) 154 { 155 return (struct vc5_transfer *)ptrans; 156 } 157 158 void vc5_resource_screen_init(struct pipe_screen *pscreen); 159 void vc5_resource_context_init(struct pipe_context *pctx); 160 struct pipe_resource *vc5_resource_create(struct pipe_screen *pscreen, 161 const struct pipe_resource *tmpl); 162 163 #endif /* VC5_RESOURCE_H */ 164