Equalizer  1.8.0
Parallel Rendering Framework
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share/Equalizer/examples/eVolve/channel.h
1 
2 /* Copyright (c) 2006-2014, Stefan Eilemann <eile@equalizergraphics.com>
3  * 2007-2011, Maxim Makhinya <maxmah@gmail.com>
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
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8  * - Redistributions of source code must retain the above copyright notice, this
9  * list of conditions and the following disclaimer.
10  * - Redistributions in binary form must reproduce the above copyright notice,
11  * this list of conditions and the following disclaimer in the documentation
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13  * - Neither the name of Eyescale Software GmbH nor the names of its
14  * contributors may be used to endorse or promote products derived from this
15  * software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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21  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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29 
30 #ifndef EVOLVE_CHANNEL_H
31 #define EVOLVE_CHANNEL_H
32 
33 #include "eVolve.h"
34 #include "frameData.h"
35 
36 #include <eq/eq.h>
37 
38 namespace eVolve
39 {
40  class InitData;
41 
42  class Channel : public eq::Channel
43  {
44  public:
45  Channel( eq::Window* parent );
46 
47  protected:
48  virtual ~Channel() {}
49 
50  bool configInit( const eq::uint128_t& initID ) override;
51  bool configExit() override;
52 
53  void frameStart( const eq::uint128_t& frameID,
54  const uint32_t frameNumber ) override;
55 
56  void frameDraw( const eq::uint128_t& frameID ) override;
57  void frameAssemble( const eq::uint128_t&, const eq::Frames& ) override;
58  void frameReadback( const eq::uint128_t&, const eq::Frames& ) override;
59  void frameViewFinish( const eq::uint128_t& frameID ) override;
60  void frameClear( const eq::uint128_t& frameID ) override;
61 
62  bool useOrtho() const override;
63 
64  void clearViewport( const eq::PixelViewport &pvp );
65 
66  private:
67  void _startAssemble();
68 
69  void _orderFrames( eq::Frames& frames );
70 
71  eq::Matrix4f _computeModelView() const;
72 
73  const FrameData& _getFrameData() const;
74 
75  void _drawLogo();
76  void _drawHelp();
77 
78  eq::Vector3f _bgColor;
79  eq::Frame _frame;
80  eq::Range _drawRange;
81  const bool _taint;
82  };
83 
84 }
85 
86 #endif // EVOLVE_CHANNEL_H
void frameAssemble(const eq::uint128_t &, const eq::Frames &) override
Assemble all input frames.
A channel represents a two-dimensional viewport within a Window.
void frameReadback(const eq::uint128_t &, const eq::Frames &) override
Read back the rendered frame buffer into the output frames.
void frameClear(const eq::uint128_t &frameID) override
Clear the frame buffer.
void frameViewFinish(const eq::uint128_t &frameID) override
Finish updating a destination channel.
void frameStart(const eq::uint128_t &frameID, const uint32_t frameNumber) override
Start rendering a frame.
bool configInit(const eq::uint128_t &initID) override
Initialize this channel.
A Window represents an on-screen or off-screen drawable.
bool useOrtho() const override
Select perspective or orthographic rendering.
std::vector< Frame * > Frames
A vector of pointers to eq::Frame.
void frameDraw(const eq::uint128_t &frameID) override
Draw the scene.
virtual ~Channel()
Destruct the channel.
A holder for a frame data and related parameters.
Definition: client/frame.h:42
bool configExit() override
Exit this channel.