66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
|
// Copyright 2021 The ChromiumOS Authors
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
#ifndef VM_TOOLS_SOMMELIER_COMPOSITOR_SOMMELIER_MMAP_H_
|
||
|
|
#define VM_TOOLS_SOMMELIER_COMPOSITOR_SOMMELIER_MMAP_H_
|
||
|
|
|
||
|
|
#include <gbm.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
|
||
|
|
typedef void (*sl_begin_end_access_func_t)(int fd, struct sl_context* ctx);
|
||
|
|
|
||
|
|
enum slMmapType {
|
||
|
|
SL_MMAP_NONE, // None
|
||
|
|
SL_MMAP_SHM, // SHM mmap type
|
||
|
|
SL_MMAP_DRM_PRIME // DRM PRIME mmap type
|
||
|
|
};
|
||
|
|
|
||
|
|
struct sl_mmap {
|
||
|
|
int refcount;
|
||
|
|
int fd;
|
||
|
|
void* addr;
|
||
|
|
struct gbm_bo* gbmbo;
|
||
|
|
void* gbm_map_data;
|
||
|
|
gbm_device* gbm_device_object;
|
||
|
|
size_t size;
|
||
|
|
size_t bpp;
|
||
|
|
size_t num_planes;
|
||
|
|
size_t offset[2];
|
||
|
|
size_t stride[2];
|
||
|
|
size_t y_ss[2];
|
||
|
|
sl_begin_end_access_func_t begin_write;
|
||
|
|
sl_begin_end_access_func_t end_write;
|
||
|
|
slMmapType map_type;
|
||
|
|
struct gbm_import_fd_data gbm_import_data;
|
||
|
|
struct wl_resource* buffer_resource;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct sl_mmap* sl_drm_prime_mmap_create(gbm_device* device,
|
||
|
|
int fd,
|
||
|
|
size_t bpp,
|
||
|
|
size_t num_planes,
|
||
|
|
size_t stride,
|
||
|
|
int32_t width,
|
||
|
|
int32_t height,
|
||
|
|
uint32_t drm_format);
|
||
|
|
|
||
|
|
struct sl_mmap* sl_mmap_create(int fd,
|
||
|
|
size_t size,
|
||
|
|
size_t bpp,
|
||
|
|
size_t num_planes,
|
||
|
|
size_t offset0,
|
||
|
|
size_t stride0,
|
||
|
|
size_t offset1,
|
||
|
|
size_t stride1,
|
||
|
|
size_t y_ss0,
|
||
|
|
size_t y_ss1);
|
||
|
|
|
||
|
|
bool sl_mmap_begin_access(struct sl_mmap* map);
|
||
|
|
void sl_mmap_end_access(struct sl_mmap* map);
|
||
|
|
|
||
|
|
struct sl_mmap* sl_mmap_ref(struct sl_mmap* map);
|
||
|
|
void sl_mmap_unref(struct sl_mmap* map);
|
||
|
|
|
||
|
|
#endif // VM_TOOLS_SOMMELIER_COMPOSITOR_SOMMELIER_MMAP_H_
|