blob: 312d2f7ed40499972faba0913fd9b254a96b7f29 [file] [log] [blame]
* 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.
#include "../drv.h"
#include "cros_gralloc_handle.h"
#include <system/graphics.h>
#include <system/window.h>
#include <string>
// Reserve the GRALLOC_USAGE_PRIVATE_0 bit from hardware/gralloc.h for buffers
// used for front rendering. minigbm backend later decides to use
// BO_USE_FRONT_RENDERING or BO_USE_LINEAR upon buffer allocaton.
struct cros_gralloc_buffer_descriptor {
uint32_t width;
uint32_t height;
int32_t droid_format;
int32_t droid_usage;
uint32_t drm_format;
uint64_t use_flags;
uint64_t reserved_region_size;
std::string name;
constexpr uint32_t cros_gralloc_magic = 0xABCDDCBA;
constexpr uint32_t handle_data_size =
((sizeof(struct cros_gralloc_handle) - offsetof(cros_gralloc_handle, fds[0])) / sizeof(int));
uint32_t cros_gralloc_convert_format(int32_t format);
uint64_t cros_gralloc_convert_usage(uint64_t usage);
uint32_t cros_gralloc_convert_map_usage(uint64_t usage);
cros_gralloc_handle_t cros_gralloc_convert_handle(buffer_handle_t handle);
int32_t cros_gralloc_sync_wait(int32_t fence, bool close_fence);
std::string get_drm_format_string(uint32_t drm_format);