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/*
* vk_blender.h - vulkan blender class
*
* Copyright (c) 2018 Intel Corporation
*
* 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.
*
* Author: Yinhang Liu <yinhangx.liu@intel.com>
*/
#ifndef XCAM_VK_BLENDER_H
#define XCAM_VK_BLENDER_H
#include <vulkan/vulkan_std.h>
#include <vulkan/vk_handler.h>
#include <interface/blender.h>
#define VK_BLENDER_ALIGN_X 8
#define VK_BLENDER_ALIGN_Y 4
#define XCAM_VK_MAX_LEVEL 4
#define XCAM_VK_DEFAULT_LEVEL 2
namespace XCam {
namespace VKBlenderPriv {
class BlenderImpl;
}
class VKBlender
: public VKHandler, public Blender
{
friend class VKBlenderPriv::BlenderImpl;
friend SmartPtr<VKHandler> create_vk_blender (const SmartPtr<VKDevice> &dev);
public:
struct BlenderParam : ImageHandler::Parameters {
SmartPtr<VideoBuffer> in1_buf;
BlenderParam (
const SmartPtr<VideoBuffer> &in0,
const SmartPtr<VideoBuffer> &in1,
const SmartPtr<VideoBuffer> &out)
: Parameters (in0, out)
, in1_buf (in1)
{}
};
class Sync
{
public:
Sync (uint32_t threshold)
: _count (0), _threshold (threshold)
{}
void increment () {
++_count;
}
void reset () {
_count = 0;
}
bool is_synced () {
return (_threshold == _count);
}
private:
uint32_t _count;
const uint32_t _threshold;
};
enum BufIdx {
BufIdx0 = 0,
BufIdx1,
BufIdxMax
};
public:
~VKBlender ();
void gauss_scale_done (
const SmartPtr<Worker> &worker, const SmartPtr<Worker::Arguments> &base, const XCamReturn error);
void lap_trans_done (
const SmartPtr<Worker> &worker, const SmartPtr<Worker::Arguments> &base, const XCamReturn error);
void blend_done (
const SmartPtr<Worker> &worker, const SmartPtr<Worker::Arguments> &base, const XCamReturn error);
void reconstruct_done (
const SmartPtr<Worker> &worker, const SmartPtr<Worker::Arguments> &base, const XCamReturn error);
protected:
explicit VKBlender (const SmartPtr<VKDevice> dev, const char *name = "VKBlender");
// derived from Blender interface
XCamReturn blend (
const SmartPtr<VideoBuffer> &in0, const SmartPtr<VideoBuffer> &in1, SmartPtr<VideoBuffer> &out);
// derived from VKHandler
XCamReturn configure_resource (const SmartPtr<Parameters> ¶m);
XCamReturn start_work (const SmartPtr<Parameters> ¶m);
XCamReturn set_output_info (const SmartPtr<ImageHandler::Parameters> ¶m);
private:
SmartPtr<VKBlenderPriv::BlenderImpl> _impl;
};
extern SmartPtr<VKHandler> create_vk_blender (const SmartPtr<VKDevice> &dev);
}
#endif // XCAM_VK_BLENDER_H
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