1 /* 2 * Copyright 2014 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 VC4_RESOURCE_H 26 #define VC4_RESOURCE_H 27 28 #include "vc4_screen.h" 29 #include "kernel/vc4_packet.h" 30 #include "util/u_transfer.h" 31 32 struct vc4_transfer { 33 struct pipe_transfer base; 34 void *map; 35 36 struct pipe_resource *ss_resource; 37 struct pipe_box ss_box; 38 }; 39 40 struct vc4_resource_slice { 41 uint32_t offset; 42 uint32_t stride; 43 uint32_t size; 44 /** One of VC4_TILING_FORMAT_* */ 45 uint8_t tiling; 46 }; 47 48 struct vc4_surface { 49 struct pipe_surface base; 50 uint32_t offset; 51 uint8_t tiling; 52 }; 53 54 struct vc4_resource { 55 struct pipe_resource base; 56 struct vc4_bo *bo; 57 struct renderonly_scanout *scanout; 58 struct vc4_resource_slice slices[VC4_MAX_MIP_LEVELS]; 59 uint32_t cube_map_stride; 60 int cpp; 61 bool tiled; 62 /** One of VC4_TEXTURE_TYPE_* */ 63 enum vc4_texture_data_type vc4_format; 64 65 /** 66 * Number of times the resource has been written to. 67 * 68 * This is used to track when we need to update this shadow resource 69 * from its parent in the case of GL_TEXTURE_BASE_LEVEL (which we 70 * can't support in hardware) or GL_UNSIGNED_INTEGER index buffers. 71 */ 72 uint64_t writes; 73 74 /** 75 * Bitmask of PIPE_CLEAR_COLOR0, PIPE_CLEAR_DEPTH, PIPE_CLEAR_STENCIL 76 * for which parts of the resource are defined. 77 * 78 * Used for avoiding fallback to quad clears for clearing just depth, 79 * when the stencil contents have never been initialized. Note that 80 * we're lazy and fields not present in the buffer (DEPTH in a color 81 * buffer) may get marked. 82 */ 83 uint32_t initialized_buffers; 84 }; 85 86 static inline struct vc4_resource * 87 vc4_resource(struct pipe_resource *prsc) 88 { 89 return (struct vc4_resource *)prsc; 90 } 91 92 static inline struct vc4_surface * 93 vc4_surface(struct pipe_surface *psurf) 94 { 95 return (struct vc4_surface *)psurf; 96 } 97 98 static inline struct vc4_transfer * 99 vc4_transfer(struct pipe_transfer *ptrans) 100 { 101 return (struct vc4_transfer *)ptrans; 102 } 103 104 void vc4_resource_screen_init(struct pipe_screen *pscreen); 105 void vc4_resource_context_init(struct pipe_context *pctx); 106 struct pipe_resource *vc4_resource_create(struct pipe_screen *pscreen, 107 const struct pipe_resource *tmpl); 108 void vc4_update_shadow_baselevel_texture(struct pipe_context *pctx, 109 struct pipe_sampler_view *view); 110 struct pipe_resource *vc4_get_shadow_index_buffer(struct pipe_context *pctx, 111 const struct pipe_draw_info *info, 112 uint32_t offset, 113 uint32_t count, 114 uint32_t *shadow_offset); 115 void vc4_dump_surface(struct pipe_surface *psurf); 116 117 #endif /* VC4_RESOURCE_H */ 118
