/*
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* cl_image_handler.h - CL image handler
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*
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* Copyright (c) 2015 Intel Corporation
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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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* Author: Wind Yuan <feng.yuan@intel.com>
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*/
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#ifndef XCAM_CL_IMAGE_HANDLER_H
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#define XCAM_CL_IMAGE_HANDLER_H
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#include <xcam_std.h>
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#include <swapped_buffer.h>
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#include <x3a_result.h>
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#include <ocl/cl_kernel.h>
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#include <ocl/cl_argument.h>
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#include <ocl/cl_memory.h>
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#include <ocl/cl_video_buffer.h>
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namespace XCam {
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class CLImageHandler;
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class CLImageKernel
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: public CLKernel
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{
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friend class CLImageHandler;
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public:
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explicit CLImageKernel (const SmartPtr<CLContext> &context, const char *name = NULL, bool enable = true);
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virtual ~CLImageKernel ();
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void set_enable (bool enable) {
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_enable = enable;
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}
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bool is_enabled () const {
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return _enable;
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}
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virtual void pre_stop () {}
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protected:
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XCamReturn pre_execute ();
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virtual XCamReturn prepare_arguments (
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CLArgList &args, CLWorkSize &work_size);
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private:
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XCAM_DEAD_COPY (CLImageKernel);
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private:
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bool _enable;
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};
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class CLMultiImageHandler;
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class CLImageHandler
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{
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friend class CLMultiImageHandler;
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public:
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typedef std::list<SmartPtr<CLImageKernel>> KernelList;
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enum BufferPoolType {
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CLVideoPoolType = 0x0000,
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CLBoPoolType = 0x0001,
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DrmBoPoolType = 0x0002
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};
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public:
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explicit CLImageHandler (const SmartPtr<CLContext> &context, const char *name);
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virtual ~CLImageHandler ();
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const char *get_name () const {
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return _name;
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}
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SmartPtr<CLContext> &get_context () {
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return _context;
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}
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void set_3a_result (SmartPtr<X3aResult> &result);
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SmartPtr<X3aResult> get_3a_result (XCam3aResultType type);
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int64_t get_result_timestamp () const {
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return _result_timestamp;
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};
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void set_pool_type (BufferPoolType type) {
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_buf_pool_type = type;
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}
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void set_pool_size (uint32_t size) {
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XCAM_ASSERT (size);
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_buf_pool_size = size;
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}
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void disable_buf_pool (bool flag) {
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_disable_buf_pool = flag;
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}
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bool is_buf_pool_disabled () const {
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return _disable_buf_pool;
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}
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bool enable_buf_pool_swap_flags (
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uint32_t flags,
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uint32_t init_order = (uint32_t)(SwappedBuffer::OrderY0Y1));
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bool add_kernel (const SmartPtr<CLImageKernel> &kernel);
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bool enable_handler (bool enable);
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bool is_handler_enabled () const;
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virtual bool is_ready ();
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XCamReturn execute (SmartPtr<VideoBuffer> &input, SmartPtr<VideoBuffer> &output);
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virtual void emit_stop ();
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SmartPtr<VideoBuffer> &get_input_buf ();
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SmartPtr<VideoBuffer> &get_output_buf ();
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private:
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virtual XCamReturn prepare_buffer_pool_video_info (
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const VideoBufferInfo &input,
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VideoBufferInfo &output);
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// if derive prepare_output_buf, then prepare_buffer_pool_video_info is not involked
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virtual XCamReturn prepare_parameters (SmartPtr<VideoBuffer> &input, SmartPtr<VideoBuffer> &output);
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virtual XCamReturn execute_done (SmartPtr<VideoBuffer> &output);
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protected:
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virtual XCamReturn prepare_output_buf (SmartPtr<VideoBuffer> &input, SmartPtr<VideoBuffer> &output);
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//only for multi-handler
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virtual XCamReturn execute_kernels ();
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XCamReturn ensure_parameters (SmartPtr<VideoBuffer> &input, SmartPtr<VideoBuffer> &output);
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XCamReturn execute_kernel (SmartPtr<CLImageKernel> &kernel);
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XCamReturn create_buffer_pool (const VideoBufferInfo &video_info);
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SmartPtr<BufferPool> &get_buffer_pool () {
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return _buf_pool;
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}
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void reset_buf_cache (const SmartPtr<VideoBuffer>& input, const SmartPtr<VideoBuffer>& output);
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bool append_kernels (SmartPtr<CLImageHandler> handler);
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private:
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XCAM_DEAD_COPY (CLImageHandler);
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private:
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char *_name;
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bool _enable;
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KernelList _kernels;
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SmartPtr<CLContext> _context;
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SmartPtr<BufferPool> _buf_pool;
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BufferPoolType _buf_pool_type;
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bool _disable_buf_pool;
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uint32_t _buf_pool_size;
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uint32_t _buf_swap_flags;
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uint32_t _buf_swap_init_order;
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X3aResultList _3a_results;
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int64_t _result_timestamp;
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SmartPtr<VideoBuffer> _input_buf_cache;
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SmartPtr<VideoBuffer> _output_buf_cache;
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XCAM_OBJ_PROFILING_DEFINES;
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};
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// never allocate buffer, only swap output from input
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class CLCloneImageHandler
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: public CLImageHandler
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{
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public:
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explicit CLCloneImageHandler (const SmartPtr<CLContext> &context, const char *name);
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void set_clone_flags (uint32_t flags) {
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_clone_flags = flags;
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}
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uint32_t get_clone_flags () const {
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return _clone_flags;
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}
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protected:
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//derived from CLImageHandler
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virtual XCamReturn prepare_output_buf (SmartPtr<VideoBuffer> &input, SmartPtr<VideoBuffer> &output);
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private:
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XCAM_DEAD_COPY (CLCloneImageHandler);
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uint32_t _clone_flags;
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};
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};
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#endif // XCAM_CL_IMAGE_HANDLER_H
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