Developer Documentation

PostProcessorDepthImagePlugin.cc
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40 \*===========================================================================*/
41
42
43
44 #include <ACG/GL/acg_glew.hh>
45
46 #include "PostProcessorDepthImagePlugin.hh"
47
48 #include <ACG/GL/ScreenQuad.hh>
49
50 #include <OpenFlipper/BasePlugin/PluginFunctions.hh>
51
52
53 PostProcessorDepthImagePlugin::PostProcessorDepthImagePlugin()
54 : shader_(0)
55 {
56
57 }
58
59
60 PostProcessorDepthImagePlugin::~PostProcessorDepthImagePlugin()
61 {
62 delete shader_;
63 }
64
65 QString PostProcessorDepthImagePlugin::postProcessorName() {
66 return QString("Show Depth Image");
67 }
68
69 QString PostProcessorDepthImagePlugin::checkOpenGL()
70 {
71 if ( ! ACG::openGLVersion(3, 0) )
72 return QString("Insufficient OpenGL Version! OpenGL 3.0 or higher required");
73
74 return QString("");
75 }
76
77
78 void PostProcessorDepthImagePlugin::postProcess(ACG::GLState* _glstate, const std::vector<const PostProcessorInput*>& _input, const PostProcessorOutput& _output) {
79
80 // ======================================================================================================
81 // Load shader if needed
82 // ======================================================================================================
83 if (!shader_)
84 shader_ = GLSL::loadProgram("ShowDepth/screenquad.glsl", "ShowDepth/depth.glsl");
85
86 // ======================================================================================================
87 // Bind input texture
88 // ======================================================================================================
89
90 _input[0]->bindDepthTex(0);
91
92 // ======================================================================================================
93 // Bind output FBO
94 // ======================================================================================================
95
96 _output.bind();
97
98 // ======================================================================================================
99 // Setup shader
100 // ======================================================================================================
101
102 shader_->use();
103 shader_->setUniform("textureSampler", 0);
104
105 // ======================================================================================================
106 // Execute
107 // ======================================================================================================
108
109 ACG::ScreenQuad::draw(shader_);
110
111 shader_->disable();
112 }
113
114
PluginFunctions.hh
ACG::GLState
Definition: GLState.hh:213
PostProcessorOutput
Definition: PostProcessorInterface.hh:89
ACG::ScreenQuad::draw
static void draw(GLSL::Program *_prog=0)
Draw the screen quad.
Definition: ScreenQuad.cc:138
GLSL::loadProgram
GLSL::PtrProgram loadProgram(const char *vertexShaderFile, const char *tessControlShaderFile, const char *tessEvaluationShaderFile, const char *geometryShaderFile, const char *fragmentShaderFile, const GLSL::StringList *macros, bool verbose)
Definition: GLSLShader.cc:1076
ACG::openGLVersion
bool openGLVersion(const int _major, const int _minor, bool _verbose)
Definition: gl.cc:129