1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_PLATFORM_DRM_GENERIC_H_ 18 #define ANDROID_PLATFORM_DRM_GENERIC_H_ 19 20 #include "drmdevice.h" 21 #include "platform.h" 22 23 #include <hardware/gralloc.h> 24 #include <map> 25 26 #include <drm/drm_fourcc.h> 27 28 #ifndef DRM_FORMAT_INVALID 29 #define DRM_FORMAT_INVALID 0 30 #endif 31 32 namespace android { 33 34 class DrmGenericImporter : public Importer { 35 public: 36 DrmGenericImporter(DrmDevice *drm); 37 ~DrmGenericImporter() override; 38 39 int Init(); 40 41 int ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) override; 42 int ReleaseBuffer(hwc_drm_bo_t *bo) override; 43 bool CanImportBuffer(buffer_handle_t handle) override; 44 int ImportHandle(uint32_t gem_handle); 45 int ReleaseHandle(uint32_t gem_handle); 46 47 int ConvertBoInfo(buffer_handle_t handle, hwc_drm_bo_t *bo) override; 48 49 uint32_t ConvertHalFormatToDrm(uint32_t hal_format); 50 uint32_t DrmFormatToBitsPerPixel(uint32_t drm_format); 51 52 protected: 53 DrmDevice *drm_; 54 55 private: 56 const gralloc_module_t *gralloc_; 57 bool exclude_non_hwfb_; 58 59 int CloseHandle(uint32_t gem_handle); 60 std::map<uint32_t, int> gem_refcount_; 61 }; 62 } // namespace android 63 64 #endif 65