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// Copyright (c) 2019 Intel Corporation
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#pragma once
#include <d3d9.h>
#include <cl/cl.h>
#include "mfxvideo++.h"
typedef struct _oclBuffers {
cl_mem OCL_Y;
cl_mem OCL_UV;
} OCLBuffers;
//
// Generic OpenCL processing class can used for both pre and post processing (incl. transcode)
//
class OCLProcess
{
public:
OCLProcess();
~OCLProcess();
// Create and setup components required for OpenCL processing
cl_int OCLInit(IDirect3DDevice9Ex* pD3DDevice);
// Setup shared OpenCL buffers
cl_int OCLPrepare(int width,
int height,
mfxMemId* midsIn,
mfxU16 numSurfacesIn,
mfxMemId* midsOut,
mfxU16 numSurfacesOut);
// Process a surface using OpenCL kernel
cl_int OCLProcessSurface(int midIdxIn,
int midIdxOut,
cl_event* pclEventDone = NULL);
// Release OpenCL resources
void OCLRelease();
protected:
IDirect3DDevice9Ex* m_pD3DDevice;
cl_platform_id m_clPlatform; // OpenCL platform
cl_context m_clContext; // OpenCL context
cl_command_queue m_clQueue; // OpenCL queue
cl_program m_clProgram; // Compiled OpenCL program
cl_kernel m_clKernel; // OpenCL kernel object
cl_mem m_oclSurfaces[4]; // Set of input and output Y/UV buffers to be acquired for OCL processing
mfxMemId* m_mids[2]; // Input and Output surface pointers
mfxU16 m_numSurfaces[2]; // Number of Input and output surfaces
OCLBuffers* m_pOCLBuffers[2]; // Array of input and output OpenCL buffers for
int m_frameSizeY[2]; // Y plane frame size
int m_frameSizeUV[2]; // UV plane frame size
size_t m_GlobalWorkSizeUV[2]; // global sizes to process UV components
size_t m_LocalWorkSizeUV[2]; // local sizes to process UV components
size_t m_GlobalWorkSizeY[2]; // global sizes to process Y components
size_t m_LocalWorkSizeY[2]; // local sizes to process Y components
};
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