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PostProcessorInterface.cc
1 /*===========================================================================*\
2 * *
3 * OpenFlipper *
4 * Copyright (c) 2001-2015, RWTH-Aachen University *
5 * Department of Computer Graphics and Multimedia *
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40 \*===========================================================================*/
41
42 /*===========================================================================*\
43 * *
44 * $Revision$ *
45 * $LastChangedBy$ *
46 * $Date$ *
47 * *
48 \*===========================================================================*/
49
50
51 #include <ACG/GL/acg_glew.hh>
52 #include "PostProcessorInterface.hh"
53
54
55
56 PostProcessorInput::PostProcessorInput( GLuint _colTex, GLuint _depthTex, int _width, int _height) :
57 colorTex_(_colTex), depthTex_(_depthTex), width(_width), height(_height), sampleCount_(0), texfmt_(0)
58 {
59 view_.identity();
60 proj_.identity();
61 depthRange_[0] = 0.0; depthRange_[1] = 1.0f;
62 }
63
64
65 void PostProcessorInput::bindColorTex( int _texSlot /*= 0*/ ) const
66 {
67 glActiveTexture(GL_TEXTURE0 + _texSlot);
68 glBindTexture(sampleCount_ ? GL_TEXTURE_2D_MULTISAMPLE : GL_TEXTURE_2D, colorTex_);
69 }
70
71 void PostProcessorInput::bindDepthTex( int _texSlot /*= 0*/ ) const
72 {
73 glActiveTexture(GL_TEXTURE0 + _texSlot);
74 glBindTexture(sampleCount_ ? GL_TEXTURE_2D_MULTISAMPLE : GL_TEXTURE_2D, depthTex_);
75 }
76
77
78 PostProcessorOutput::PostProcessorOutput( GLuint _fbo /*= 0*/, GLuint _drawBuffer /*= 0*/, int _width /*= 0*/, int _height /*= 0*/, const GLint* _viewport /*= 0*/ ) : fbo_(_fbo), drawBuffer_(_drawBuffer), width(_width), height(_height)
79 {
80 if (_viewport)
81 {
82 viewport_[0] = _viewport[0];
83 viewport_[1] = _viewport[1];
84 viewport_[2] = _viewport[2];
85 viewport_[3] = _viewport[3];
86 }
87 else
88 {
89 viewport_[0] = viewport_[1] = 0;
90 viewport_[2] = _width;
91 viewport_[3] = _height;
92 }
93 }
94
95 void PostProcessorOutput::bind() const
96 {
97 glBindFramebuffer(GL_FRAMEBUFFER, fbo_);
98 glDrawBuffer(drawBuffer_);
99 glViewport(viewport_[0], viewport_[1], viewport_[2], viewport_[3]);
100 }
PostProcessorInterface.hh