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 u_resource base; 56 struct vc4_bo *bo; 57 struct vc4_resource_slice slices[VC4_MAX_MIP_LEVELS]; 58 uint32_t cube_map_stride; 59 int cpp; 60 bool tiled; 61 /** One of VC4_TEXTURE_TYPE_* */ 62 enum vc4_texture_data_type vc4_format; 63 64 /** 65 * Number of times the resource has been written to. 66 * 67 * This is used to track when we need to update this shadow resource 68 * from its parent in the case of GL_TEXTURE_BASE_LEVEL (which we 69 * can't support in hardware) or GL_UNSIGNED_INTEGER index buffers. 70 */ 71 uint64_t writes; 72 73 /** 74 * Bitmask of PIPE_CLEAR_COLOR0, PIPE_CLEAR_DEPTH, PIPE_CLEAR_STENCIL 75 * for which parts of the resource are defined. 76 * 77 * Used for avoiding fallback to quad clears for clearing just depth, 78 * when the stencil contents have never been initialized. Note that 79 * we're lazy and fields not present in the buffer (DEPTH in a color 80 * buffer) may get marked. 81 */ 82 uint32_t initialized_buffers; 83 84 /** 85 * Resource containing the non-GL_TEXTURE_BASE_LEVEL-rebased texture 86 * contents, or the 4-byte index buffer. 87 * 88 * If the parent is set for an texture, then this resource is actually 89 * the texture contents just starting from the sampler_view's 90 * first_level. 91 * 92 * If the parent is set for an index index buffer, then this resource 93 * is actually a shadow containing a 2-byte index buffer starting from 94 * the ib's offset. 95 */ 96 struct pipe_resource *shadow_parent; 97 }; 98 99 static inline struct vc4_resource * 100 vc4_resource(struct pipe_resource *prsc) 101 { 102 return (struct vc4_resource *)prsc; 103 } 104 105 static inline struct vc4_surface * 106 vc4_surface(struct pipe_surface *psurf) 107 { 108 return (struct vc4_surface *)psurf; 109 } 110 111 static inline struct vc4_transfer * 112 vc4_transfer(struct pipe_transfer *ptrans) 113 { 114 return (struct vc4_transfer *)ptrans; 115 } 116 117 void vc4_resource_screen_init(struct pipe_screen *pscreen); 118 void vc4_resource_context_init(struct pipe_context *pctx); 119 struct pipe_resource *vc4_resource_create(struct pipe_screen *pscreen, 120 const struct pipe_resource *tmpl); 121 void vc4_update_shadow_baselevel_texture(struct pipe_context *pctx, 122 struct pipe_sampler_view *view); 123 struct pipe_resource *vc4_get_shadow_index_buffer(struct pipe_context *pctx, 124 const struct pipe_index_buffer *ib, 125 uint32_t count, 126 uint32_t *offset); 127 void vc4_dump_surface(struct pipe_surface *psurf); 128 129 #endif /* VC4_RESOURCE_H */ 130