1 /* 2 * Copyright 2016 The Chromium OS Authors. All rights reserved. 3 * Use of this source code is governed by a BSD-style license that can be 4 * found in the LICENSE file. 5 */ 6 7 #ifndef DRV_PRIV_H 8 #define DRV_PRIV_H 9 10 #include <pthread.h> 11 #include <stdbool.h> 12 #include <stdint.h> 13 #include <stdlib.h> 14 #include <sys/types.h> 15 16 #include "drv.h" 17 18 struct bo_metadata { 19 uint32_t width; 20 uint32_t height; 21 uint32_t format; 22 uint32_t tiling; 23 size_t num_planes; 24 uint32_t offsets[DRV_MAX_PLANES]; 25 uint32_t sizes[DRV_MAX_PLANES]; 26 uint32_t strides[DRV_MAX_PLANES]; 27 uint64_t format_modifier; 28 uint64_t use_flags; 29 size_t total_size; 30 bool cached; 31 32 /* 33 * Most of the following metadata is virtgpu cross_domain specific. However, that backend 34 * needs to know traditional metadata (strides, offsets) in addition to this backend 35 * specific metadata. It's easiest just to stuff all the metadata here rather than 36 * having two metadata structs. 37 */ 38 uint32_t blob_id; 39 uint32_t map_info; 40 int32_t memory_idx; 41 int32_t physical_device_idx; 42 }; 43 44 struct bo { 45 struct driver *drv; 46 struct bo_metadata meta; 47 bool is_test_buffer; 48 union bo_handle handle; 49 void *priv; 50 }; 51 52 struct format_metadata { 53 uint32_t priority; 54 uint32_t tiling; 55 uint64_t modifier; 56 }; 57 58 struct combination { 59 uint32_t format; 60 struct format_metadata metadata; 61 uint64_t use_flags; 62 }; 63 64 struct driver { 65 int fd; 66 const struct backend *backend; 67 void *priv; 68 pthread_mutex_t buffer_table_lock; 69 void *buffer_table; 70 pthread_mutex_t mappings_lock; 71 struct drv_array *mappings; 72 struct drv_array *combos; 73 bool compression; 74 bool log_bos; 75 }; 76 77 struct backend { 78 char *name; 79 void (*preload)(bool load); 80 int (*init)(struct driver *drv); 81 void (*close)(struct driver *drv); 82 int (*bo_create)(struct bo *bo, uint32_t width, uint32_t height, uint32_t format, 83 uint64_t use_flags); 84 int (*bo_create_with_modifiers)(struct bo *bo, uint32_t width, uint32_t height, 85 uint32_t format, const uint64_t *modifiers, uint32_t count); 86 // Either both or neither _metadata functions must be implemented. 87 // If the functions are implemented, bo_create and bo_create_with_modifiers must not be. 88 int (*bo_compute_metadata)(struct bo *bo, uint32_t width, uint32_t height, uint32_t format, 89 uint64_t use_flags, const uint64_t *modifiers, uint32_t count); 90 int (*bo_create_from_metadata)(struct bo *bo); 91 /* Called for every non-test-buffer BO on free */ 92 int (*bo_release)(struct bo *bo); 93 /* Called on free if this bo is the last object referencing the contained GEM BOs */ 94 int (*bo_destroy)(struct bo *bo); 95 int (*bo_import)(struct bo *bo, struct drv_import_fd_data *data); 96 void *(*bo_map)(struct bo *bo, struct vma *vma, uint32_t map_flags); 97 int (*bo_unmap)(struct bo *bo, struct vma *vma); 98 int (*bo_invalidate)(struct bo *bo, struct mapping *mapping); 99 int (*bo_flush)(struct bo *bo, struct mapping *mapping); 100 void (*resolve_format_and_use_flags)(struct driver *drv, uint32_t format, 101 uint64_t use_flags, uint32_t *out_format, 102 uint64_t *out_use_flags); 103 size_t (*num_planes_from_modifier)(struct driver *drv, uint32_t format, uint64_t modifier); 104 int (*resource_info)(struct bo *bo, uint32_t strides[DRV_MAX_PLANES], 105 uint32_t offsets[DRV_MAX_PLANES], uint64_t *format_modifier); 106 uint32_t (*get_max_texture_2d_size)(struct driver *drv); 107 }; 108 109 // clang-format off 110 #define BO_USE_RENDER_MASK (BO_USE_LINEAR | BO_USE_RENDERING | BO_USE_RENDERSCRIPT | \ 111 BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN | BO_USE_SW_READ_RARELY | \ 112 BO_USE_SW_WRITE_RARELY | BO_USE_TEXTURE | BO_USE_FRONT_RENDERING) 113 114 #define BO_USE_TEXTURE_MASK (BO_USE_LINEAR | BO_USE_RENDERSCRIPT | BO_USE_SW_READ_OFTEN | \ 115 BO_USE_SW_WRITE_OFTEN | BO_USE_SW_READ_RARELY | \ 116 BO_USE_SW_WRITE_RARELY | BO_USE_TEXTURE | BO_USE_FRONT_RENDERING) 117 118 #define BO_USE_SW_MASK (BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN | \ 119 BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY | BO_USE_FRONT_RENDERING) 120 121 #define BO_USE_GPU_HW (BO_USE_RENDERING | BO_USE_TEXTURE | BO_USE_GPU_DATA_BUFFER) 122 123 #define BO_USE_NON_GPU_HW (BO_USE_SCANOUT | BO_USE_CAMERA_WRITE | BO_USE_CAMERA_READ | \ 124 BO_USE_HW_VIDEO_ENCODER | BO_USE_HW_VIDEO_DECODER | BO_USE_SENSOR_DIRECT_DATA) 125 126 #define BO_USE_HW_MASK (BO_USE_GPU_HW | BO_USE_NON_GPU_HW) 127 128 #ifndef DRM_FORMAT_MOD_LINEAR 129 #define DRM_FORMAT_MOD_LINEAR DRM_FORMAT_MOD_NONE 130 #endif 131 132 #define LINEAR_METADATA (struct format_metadata) { 1, 0, DRM_FORMAT_MOD_LINEAR } 133 134 #define MESA_LLVMPIPE_MAX_TEXTURE_2D_LEVELS 15 135 #define MESA_LLVMPIPE_MAX_TEXTURE_2D_SIZE (1 << (MESA_LLVMPIPE_MAX_TEXTURE_2D_LEVELS - 1)) 136 #define MESA_LLVMPIPE_TILE_ORDER 6 137 #define MESA_LLVMPIPE_TILE_SIZE (1 << MESA_LLVMPIPE_TILE_ORDER) 138 139 // clang-format on 140 141 #endif 142