| /* |
| * 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 CROS_GRALLOC_HELPERS_H |
| #define CROS_GRALLOC_HELPERS_H |
| |
| #include "../drv.h" |
| #include "cros_gralloc_handle.h" |
| |
| #include <aidl/android/hardware/graphics/common/BlendMode.h> |
| #include <aidl/android/hardware/graphics/common/Dataspace.h> |
| #include <log/log.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. |
| #define BUFFER_USAGE_FRONT_RENDERING (1U << 28) |
| |
| // Adopt BufferUsage::FRONT_BUFFER from api level 33 |
| #define BUFFER_USAGE_FRONT_RENDERING_MASK (BUFFER_USAGE_FRONT_RENDERING | (1ULL << 32)) |
| |
| #define CROS_GRALLOC_BUFFER_METADATA_MAX_NAME_SIZE 1024 |
| |
| struct cros_gralloc_buffer_descriptor { |
| uint32_t width; |
| uint32_t height; |
| int32_t droid_format; |
| int64_t droid_usage; |
| uint32_t drm_format; |
| uint64_t use_flags; |
| // If true, allocate an additional shared memory region for buffer metadata. |
| bool enable_metadata_fd = false; |
| // If the additional shared memory region for buffer metadata is present, the |
| // additional amount of space reserved for client use. |
| uint64_t client_metadata_size = 0; |
| std::string name; |
| aidl::android::hardware::graphics::common::Dataspace dataspace = |
| aidl::android::hardware::graphics::common::Dataspace::UNKNOWN; |
| aidl::android::hardware::graphics::common::BlendMode blend = |
| aidl::android::hardware::graphics::common::BlendMode::INVALID; |
| }; |
| |
| 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); |
| |
| #endif |