// Copyright 2016 The SwiftShader Authors. All Rights Reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #ifndef GRALLOC_ANDROID #define GRALLOC_ANDROID #include <hardware/gralloc.h> #include <cutils/log.h> #ifdef HAVE_GRALLOC1 #include <hardware/gralloc1.h> #include <sync/sync.h> #endif #include <unistd.h> // for close() class GrallocModule { public: static GrallocModule *getInstance(); int lock(buffer_handle_t handle, int usage, int left, int top, int width, int height, void **vaddr) { switch(m_major_version) { case 0: { return m_module->lock(m_module, handle, usage, left, top, width, height, vaddr); } case 1: #ifdef HAVE_GRALLOC1 { gralloc1_rect_t outRect{}; outRect.left = left; outRect.top = top; outRect.width = width; outRect.height = height; return m_gralloc1_lock(m_gralloc1_device, handle, usage, usage, &outRect, vaddr, -1); } #endif default: { ALOGE("no gralloc module to lock"); return -1; } } } int unlock(buffer_handle_t handle) { switch(m_major_version) { case 0: { return m_module->unlock(m_module, handle); } case 1: #ifdef HAVE_GRALLOC1 { int32_t fenceFd = -1; int error = m_gralloc1_unlock(m_gralloc1_device, handle, &fenceFd); if (!error) { sync_wait(fenceFd, -1); close(fenceFd); } return error; } #endif default: { ALOGE("no gralloc module to unlock"); return -1; } } } private: GrallocModule(); uint8_t m_major_version; const gralloc_module_t *m_module; #ifdef HAVE_GRALLOC1 gralloc1_device_t *m_gralloc1_device = nullptr; GRALLOC1_PFN_LOCK m_gralloc1_lock = nullptr; GRALLOC1_PFN_UNLOCK m_gralloc1_unlock = nullptr; #endif }; #endif // GRALLOC_ANDROID