Torque3D/Engine/source/gfx/D3D9/videoCaptureD3D9.h
2012-09-19 11:15:01 -04:00

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2.9 KiB
C++

//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// 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.
//-----------------------------------------------------------------------------
#ifndef _VIDEOCAPTURE_H_
#include "gfx/video/videoCapture.h"
#endif
#ifndef _GFXDEVICE_H_
#include "gfx/gfxDevice.h"
#endif
class VideoFrameGrabberD3D9 : public VideoFrameGrabber
{
protected:
enum CaptureStage {
eReadyToCapture,
eInVideoMemory,
eInSystemMemory,
eNumStages
};
// Contains all elements involved in single frame capture and
// is used to spread the multiple "stages" needed to capture a bitmap
// over various frames to keep GPU resources from locking the CPU.
struct CaptureResource {
GFXTexHandle vidMemTex; //Video memory texture
GFXTexHandle sysMemTex; //System memory texture
CaptureStage stage; //This resource's capture stage
CaptureResource() : stage(eReadyToCapture) {};
~CaptureResource()
{
vidMemTex.free();
sysMemTex.free();
}
};
// Capture resource array. One item for each capture pipeline stage
CaptureResource mCapture[eNumStages];
// Current capture index
S32 mCurrentCapture;
// Copies a capture's video memory content to system memory
void copyToSystemMemory(CaptureResource &capture);
// Copies a capture's syste memory content to a new bitmap
void copyToBitmap(CaptureResource &capture);
bool _handleGFXEvent(GFXDevice::GFXDeviceEventType event);
//------------------------------------------------
// Overloaded from VideoFrameGrabber
//------------------------------------------------
void captureBackBuffer();
void makeBitmap();
void releaseTextures();
public:
VideoFrameGrabberD3D9();
~VideoFrameGrabberD3D9();
};