blob: 32733727077e38271dc3bc6d199ae9cdbc1ef4fb [file] [log] [blame]
// 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
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