/*
- * Copyright (c) 2016 The Chromium OS Authors. All rights reserved.
+ * 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 <stdint.h>
#include <stdlib.h>
#include <sys/types.h>
+#include <stdatomic.h>
#include "drv.h"
-struct bo
-{
+#ifndef DISABLE_LOCK
+#define ATOMIC_LOCK(X) \
+while (atomic_flag_test_and_set(X)) { \
+ }
+
+#define ATOMIC_UNLOCK(X) \
+ atomic_flag_clear(X);
+#else
+#define ATOMIC_LOCK(X) ((void)0)
+#define ATOMIC_UNLOCK(X) ((void)0)
+#endif
+
+struct bo {
struct driver *drv;
uint32_t width;
uint32_t height;
uint32_t sizes[DRV_MAX_PLANES];
uint32_t strides[DRV_MAX_PLANES];
uint64_t format_modifiers[DRV_MAX_PLANES];
+ uint64_t use_flags;
size_t total_size;
void *priv;
};
+struct kms_item {
+ uint32_t format;
+ uint64_t modifier;
+ uint64_t use_flags;
+};
+
+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 combinations {
+ struct combination *data;
+ uint32_t size;
+ uint32_t allocations;
+};
+
struct driver {
int fd;
struct backend *backend;
void *priv;
void *buffer_table;
void *map_table;
- pthread_mutex_t table_lock;
+ struct combinations combos;
+ atomic_flag driver_lock;
};
-struct map_info {
- void *addr;
- size_t length;
- uint32_t handle;
- int32_t refcount;
-};
-
-struct backend
-{
+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,
- drv_format_t format, uint32_t flags);
- void* (*bo_map)(struct bo *bo, struct map_info *data, size_t plane);
+ 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);
int (*bo_destroy)(struct bo *bo);
- drv_format_t (*resolve_format)(drv_format_t format);
- struct format_supported {
- drv_format_t format;
- uint64_t usage;
- }
- format_list[18];
+ int (*bo_import)(struct bo *bo, struct drv_import_fd_data *data);
+ void *(*bo_map)(struct bo *bo, struct map_info *data, size_t plane, uint32_t map_flags);
+ int (*bo_unmap)(struct bo *bo, struct map_info *data);
+ int (*bo_invalidate)(struct bo *bo, struct map_info *data);
+ int (*bo_flush)(struct bo *bo, struct map_info *data);
+ uint32_t (*resolve_format)(uint32_t format, uint64_t use_flags);
};
+// clang-format off
+#define BO_USE_RENDER_MASK BO_USE_LINEAR | BO_USE_PROTECTED | 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
+
+#define BO_USE_TEXTURE_MASK BO_USE_LINEAR | BO_USE_PROTECTED | 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
+
+#define LINEAR_METADATA (struct format_metadata) { 0, 1, DRM_FORMAT_MOD_NONE }
+// clang-format on
+
#endif