1 /* 2 * Copyright 2016 The Chromium OS Authors. All rights reserved. 3 * Use of this source code is governed by a BSD-style license that can be 4 * found in the LICENSE file. 5 */ 6 7 #ifndef CROS_GRALLOC_HELPERS_H 8 #define CROS_GRALLOC_HELPERS_H 9 10 #include "../drv.h" 11 #include "cros_gralloc_handle.h" 12 13 #include <aidl/android/hardware/graphics/common/BlendMode.h> 14 #include <aidl/android/hardware/graphics/common/Dataspace.h> 15 #include <log/log.h> 16 #include <system/graphics.h> 17 #include <system/window.h> 18 19 #include <string> 20 21 // Reserve the GRALLOC_USAGE_PRIVATE_0 bit from hardware/gralloc.h for buffers 22 // used for front rendering. minigbm backend later decides to use 23 // BO_USE_FRONT_RENDERING or BO_USE_LINEAR upon buffer allocaton. 24 #define BUFFER_USAGE_FRONT_RENDERING_PRIVATE (1U << 28) 25 26 // Adopt BufferUsage::FRONT_BUFFER from api level 33 27 #define BUFFER_USAGE_FRONT_RENDERING (1ULL << 32) 28 29 #define BUFFER_USAGE_FRONT_RENDERING_MASK \ 30 (BUFFER_USAGE_FRONT_RENDERING | BUFFER_USAGE_FRONT_RENDERING_PRIVATE) 31 32 #define CROS_GRALLOC_BUFFER_METADATA_MAX_NAME_SIZE 1024 33 34 struct cros_gralloc_buffer_descriptor { 35 uint32_t width; 36 uint32_t height; 37 int32_t droid_format; 38 int64_t droid_usage; 39 uint32_t drm_format; 40 uint64_t use_flags; 41 // If true, allocate an additional shared memory region for buffer metadata. 42 bool enable_metadata_fd = false; 43 // If the additional shared memory region for buffer metadata is present, the 44 // additional amount of space reserved for client use. 45 uint64_t client_metadata_size = 0; 46 std::string name; 47 aidl::android::hardware::graphics::common::Dataspace dataspace = 48 aidl::android::hardware::graphics::common::Dataspace::UNKNOWN; 49 aidl::android::hardware::graphics::common::BlendMode blend = 50 aidl::android::hardware::graphics::common::BlendMode::INVALID; 51 }; 52 53 constexpr uint32_t cros_gralloc_magic = 0xABCDDCBA; 54 constexpr uint32_t handle_data_size = 55 ((sizeof(struct cros_gralloc_handle) - offsetof(cros_gralloc_handle, fds[0])) / sizeof(int)); 56 57 uint32_t cros_gralloc_convert_format(int32_t format); 58 59 uint64_t cros_gralloc_convert_usage(uint64_t usage); 60 61 uint32_t cros_gralloc_convert_map_usage(uint64_t usage); 62 63 cros_gralloc_handle_t cros_gralloc_convert_handle(buffer_handle_t handle); 64 65 int32_t cros_gralloc_sync_wait(int32_t fence, bool close_fence); 66 67 std::string get_drm_format_string(uint32_t drm_format); 68 69 #endif 70