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123 lines
3.8 KiB
123 lines
3.8 KiB
// Copyright 2018 The Android Open Source Project
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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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#pragma once
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#include <hardware/fb.h>
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#include <hardware/gralloc.h>
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// Consolidates all framebuffer device, alloc device,
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// and gralloc module operations into one convenient struct.
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struct gralloc_implementation {
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void* lib;
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struct alloc_device_t* alloc_dev;
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struct gralloc_module_t* alloc_module;
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// Allocator device=============================================================
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int alloc(int w,
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int h,
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int format,
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int usage,
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buffer_handle_t* handle,
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int* stride) {
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return alloc_dev->alloc(alloc_dev, w, h, format, usage, handle, stride);
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}
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int free(buffer_handle_t handle) {
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return alloc_dev->free(alloc_dev, handle);
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}
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void dumpAlloc(char* buffer, int buff_len) {
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if (!alloc_dev->dump) return;
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alloc_dev->dump(alloc_dev, buffer, buff_len);
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}
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// Gralloc module===============================================================
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int registerBuffer(buffer_handle_t handle) {
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return alloc_module->registerBuffer(alloc_module, handle);
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}
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int unregisterBuffer(buffer_handle_t handle) {
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return alloc_module->unregisterBuffer(alloc_module, handle);
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}
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int lock(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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return alloc_module->lock(alloc_module, handle, usage, l, t, w, h,
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vaddr);
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}
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int unlock(buffer_handle_t handle) {
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return alloc_module->unlock(alloc_module, handle);
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}
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int lock_ycbcr(buffer_handle_t handle,
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int usage,
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int l,
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int t,
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int w,
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int h,
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struct android_ycbcr* ycbcr) {
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return alloc_module->lock_ycbcr(alloc_module, handle, usage, l, t, w, h,
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ycbcr);
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}
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int lockAsync(buffer_handle_t handle,
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int usage,
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int l,
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int t,
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int w,
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int h,
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void** vaddr,
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int fenceFd) {
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return alloc_module->lockAsync(alloc_module, handle, usage, l, t, w, h,
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vaddr, fenceFd);
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}
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int unlockAsync(buffer_handle_t handle, int* fenceFd) {
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return alloc_module->unlockAsync(alloc_module, handle, fenceFd);
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}
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int lockAsync_ycbcr(buffer_handle_t handle,
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int usage,
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int l,
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int t,
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int w,
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int h,
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struct android_ycbcr* ycbcr,
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int fenceFd) {
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return alloc_module->lockAsync_ycbcr(alloc_module, handle, usage, l, t,
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w, h, ycbcr, fenceFd);
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}
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};
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extern "C" {
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void load_gralloc_module(
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const char* path,
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struct gralloc_implementation* impl_out);
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void unload_gralloc_module(
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const struct gralloc_implementation* impl);
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void set_global_gralloc_module(struct gralloc_implementation* impl);
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struct gralloc_implementation*
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get_global_gralloc_module(void);
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} // extern "C"
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