58780b987b
Stub implementation of VPU in HWC. This commit passes through binder calls from HWC to the VPU library. It also has stub prepare/draw calls in the VPU client object which can be used to configure VPU in the composition cycle. Change-Id: I2606f2884e870448d29ef26e02faac92e157e2c6
89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
/*
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* Copyright (c) 2013 The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <dlfcn.h>
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#include "hwc_vpuclient.h"
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#include "hwc_utils.h"
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#include <vpu/vpu.h>
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using namespace vpu;
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namespace qhwc {
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VPUClient::VPUClient()
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{
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mVPULib = dlopen("libvpu.so", RTLD_NOW);
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VPU* (*init)();
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*(void **) &init = dlsym(mVPULib, "getObject");
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if(init)
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mVPU = init();
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else
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mVPU = NULL;
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}
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VPUClient::~VPUClient()
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{
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void (*destroy) (VPU*);
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*(void **) &destroy = dlsym(mVPULib, "deleteObject");
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dlclose(mVPULib);
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}
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int VPUClient::prepare(hwc_context_t *ctx,
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hwc_display_contents_1_t* list)
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{
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int err = 0;
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if(!mVPU)
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return err;
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// * Check VPU status
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// * Check session availability
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// * Other individual checks
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// Do not pass hwc context/list
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// Mark buffers to be drawn for VPU
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return err;
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}
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int VPUClient::draw(hwc_context_t *ctx,
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hwc_display_contents_1_t* list)
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{
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int err = 0;
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if(!mVPU)
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return err;
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// Queue buffers to VPU
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return err;
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}
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int VPUClient::processCommand(uint32_t command, uint32_t setting)
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{
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if(!mVPU)
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return 0;
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return mVPU->processCommand(command, setting);
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}
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}; // namespace qhwc
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