| /* |
| * Copyright 2016 The Chromium OS Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef DRV_PRIV_H |
| #define DRV_PRIV_H |
| |
| #include <pthread.h> |
| #include <stdbool.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <sys/types.h> |
| |
| #include "drv.h" |
| |
| struct bo_metadata { |
| uint32_t width; |
| uint32_t height; |
| uint32_t format; |
| uint32_t tiling; |
| size_t num_planes; |
| uint32_t offsets[DRV_MAX_PLANES]; |
| uint32_t sizes[DRV_MAX_PLANES]; |
| uint32_t strides[DRV_MAX_PLANES]; |
| uint64_t format_modifier; |
| uint64_t use_flags; |
| size_t total_size; |
| |
| /* |
| * Most of the following metadata is virtgpu cross_domain specific. However, that backend |
| * needs to know traditional metadata (strides, offsets) in addition to this backend |
| * specific metadata. It's easiest just to stuff all the metadata here rather than |
| * having two metadata structs. |
| */ |
| uint32_t blob_id; |
| uint32_t map_info; |
| int32_t memory_idx; |
| int32_t physical_device_idx; |
| }; |
| |
| struct bo { |
| struct driver *drv; |
| struct bo_metadata meta; |
| bool is_test_buffer; |
| union bo_handle handles[DRV_MAX_PLANES]; |
| void *priv; |
| }; |
| |
| struct format_metadata { |
| uint32_t priority; |
| uint32_t tiling; |
| uint64_t modifier; |
| }; |
| |
| struct combination { |
| uint32_t format; |
| struct format_metadata metadata; |
| uint64_t use_flags; |
| }; |
| |
| struct driver { |
| int fd; |
| const struct backend *backend; |
| void *priv; |
| pthread_mutex_t buffer_table_lock; |
| void *buffer_table; |
| pthread_mutex_t mappings_lock; |
| struct drv_array *mappings; |
| struct drv_array *combos; |
| bool compression; |
| }; |
| |
| struct backend { |
| char *name; |
| int (*init)(struct driver *drv); |
| void (*close)(struct driver *drv); |
| int (*bo_create)(struct bo *bo, uint32_t width, uint32_t height, uint32_t format, |
| uint64_t use_flags); |
| int (*bo_create_with_modifiers)(struct bo *bo, uint32_t width, uint32_t height, |
| uint32_t format, const uint64_t *modifiers, uint32_t count); |
| // Either both or neither _metadata functions must be implemented. |
| // If the functions are implemented, bo_create and bo_create_with_modifiers must not be. |
| int (*bo_compute_metadata)(struct bo *bo, uint32_t width, uint32_t height, uint32_t format, |
| uint64_t use_flags, const uint64_t *modifiers, uint32_t count); |
| int (*bo_create_from_metadata)(struct bo *bo); |
| /* Called for every non-test-buffer BO on free */ |
| int (*bo_release)(struct bo *bo); |
| /* Called on free if this bo is the last object referencing the contained GEM BOs */ |
| int (*bo_destroy)(struct bo *bo); |
| int (*bo_import)(struct bo *bo, struct drv_import_fd_data *data); |
| void *(*bo_map)(struct bo *bo, struct vma *vma, size_t plane, uint32_t map_flags); |
| int (*bo_unmap)(struct bo *bo, struct vma *vma); |
| int (*bo_invalidate)(struct bo *bo, struct mapping *mapping); |
| int (*bo_flush)(struct bo *bo, struct mapping *mapping); |
| void (*resolve_format_and_use_flags)(struct driver *drv, uint32_t format, |
| uint64_t use_flags, uint32_t *out_format, |
| uint64_t *out_use_flags); |
| size_t (*num_planes_from_modifier)(struct driver *drv, uint32_t format, uint64_t modifier); |
| int (*resource_info)(struct bo *bo, uint32_t strides[DRV_MAX_PLANES], |
| uint32_t offsets[DRV_MAX_PLANES], uint64_t *format_modifier); |
| uint32_t (*get_max_texture_2d_size)(struct driver *drv); |
| }; |
| |
| // clang-format off |
| #define BO_USE_RENDER_MASK (BO_USE_LINEAR | BO_USE_RENDERING | BO_USE_RENDERSCRIPT | \ |
| BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN | BO_USE_SW_READ_RARELY | \ |
| BO_USE_SW_WRITE_RARELY | BO_USE_TEXTURE | BO_USE_FRONT_RENDERING) |
| |
| #define BO_USE_TEXTURE_MASK (BO_USE_LINEAR | BO_USE_RENDERSCRIPT | BO_USE_SW_READ_OFTEN | \ |
| BO_USE_SW_WRITE_OFTEN | BO_USE_SW_READ_RARELY | \ |
| BO_USE_SW_WRITE_RARELY | BO_USE_TEXTURE | BO_USE_FRONT_RENDERING) |
| |
| #define BO_USE_SW_MASK (BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN | \ |
| BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY | BO_USE_FRONT_RENDERING) |
| |
| #define BO_USE_NON_GPU_HW (BO_USE_SCANOUT | BO_USE_CAMERA_WRITE | BO_USE_CAMERA_READ | \ |
| BO_USE_HW_VIDEO_ENCODER | BO_USE_HW_VIDEO_DECODER) |
| |
| #ifndef DRM_FORMAT_MOD_LINEAR |
| #define DRM_FORMAT_MOD_LINEAR DRM_FORMAT_MOD_NONE |
| #endif |
| |
| #define LINEAR_METADATA (struct format_metadata) { 1, 0, DRM_FORMAT_MOD_LINEAR } |
| // clang-format on |
| |
| #endif |