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114 lines
3.6 KiB
114 lines
3.6 KiB
/* |
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* Copyright (C) 2008, The Android Open Source Project |
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* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#include <unistd.h> |
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#include <fcntl.h> |
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#include <sys/mman.h> |
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#include <sys/stat.h> |
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#include <sys/types.h> |
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#include <sys/ioctl.h> |
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#include <cutils/properties.h> |
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#include "gr.h" |
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#include "gpu.h" |
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#include "memalloc.h" |
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#include "alloc_controller.h" |
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using namespace gralloc; |
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int fb_device_open(const hw_module_t* module, const char* name, |
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hw_device_t** device); |
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static int gralloc_device_open(const hw_module_t* module, const char* name, |
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hw_device_t** device); |
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extern int gralloc_lock(gralloc_module_t const* module, |
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buffer_handle_t handle, int usage, |
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int l, int t, int w, int h, |
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void** vaddr); |
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extern int gralloc_lock_ycbcr(gralloc_module_t const* module, |
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buffer_handle_t handle, int usage, |
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int l, int t, int w, int h, |
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struct android_ycbcr *ycbcr); |
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extern int gralloc_unlock(gralloc_module_t const* module, |
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buffer_handle_t handle); |
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extern int gralloc_register_buffer(gralloc_module_t const* module, |
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buffer_handle_t handle); |
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extern int gralloc_unregister_buffer(gralloc_module_t const* module, |
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buffer_handle_t handle); |
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extern int gralloc_perform(struct gralloc_module_t const* module, |
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int operation, ... ); |
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// HAL module methods |
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static struct hw_module_methods_t gralloc_module_methods = { |
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open: gralloc_device_open |
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}; |
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// HAL module initialize |
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struct private_module_t HAL_MODULE_INFO_SYM = { |
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base: { |
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common: { |
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tag: HARDWARE_MODULE_TAG, |
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version_major: 1, |
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version_minor: 0, |
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id: GRALLOC_HARDWARE_MODULE_ID, |
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name: "Graphics Memory Allocator Module", |
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author: "The Android Open Source Project", |
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methods: &gralloc_module_methods, |
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dso: 0, |
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reserved: {0}, |
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}, |
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registerBuffer: gralloc_register_buffer, |
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unregisterBuffer: gralloc_unregister_buffer, |
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lock: gralloc_lock, |
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unlock: gralloc_unlock, |
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perform: gralloc_perform, |
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lock_ycbcr: gralloc_lock_ycbcr, |
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}, |
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framebuffer: 0, |
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fbFormat: 0, |
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flags: 0, |
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numBuffers: 0, |
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bufferMask: 0, |
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lock: PTHREAD_MUTEX_INITIALIZER, |
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currentBuffer: 0, |
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}; |
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// Open Gralloc device |
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int gralloc_device_open(const hw_module_t* module, const char* name, |
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hw_device_t** device) |
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{ |
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int status = -EINVAL; |
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if (!strcmp(name, GRALLOC_HARDWARE_GPU0)) { |
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const private_module_t* m = reinterpret_cast<const private_module_t*>( |
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module); |
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gpu_context_t *dev; |
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IAllocController* alloc_ctrl = IAllocController::getInstance(); |
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dev = new gpu_context_t(m, alloc_ctrl); |
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*device = &dev->common; |
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status = 0; |
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} else { |
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status = fb_device_open(module, name, device); |
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} |
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return status; |
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}
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