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ScreenQuad.hh
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 * $Author: $ *
46 * $Date: $ *
47 * *
48 \*===========================================================================*/
49
50
51
52 //=============================================================================
53 //
54 // CLASS ScreenQuad
55 //
56 //=============================================================================
57
58 #ifndef ACG_SCREENQUAD_HH
59 #define ACG_SCREENQUAD_HH
60
61
62 //== INCLUDES =================================================================
63
64 #include <vector>
65
66 #include <ACG/GL/gl.hh>
67 #include <ACG/GL/VertexDeclaration.hh>
68
69
70 //== NAMESPACES ===============================================================
71
72
73 namespace ACG {
74
75
76 //== CLASS DEFINITION =========================================================
77
78
81 class ACGDLLEXPORT ScreenQuad
82 {
83 public:
85 ~ScreenQuad();
86
87
93 static void draw(GLSL::Program* _prog = 0);
94
102 static void drawInstanced(int _count, GLSL::Program* _prog = 0);
103
104
113 static void drawTexture2D(GLuint _texture, const Vec2f& _offset = Vec2f(0.0f, 0.0f),
114 const Vec2f& _size = Vec2f(1.0f, 1.0f));
115
116 private:
117
119 ScreenQuad();
120
121
123 static ScreenQuad& instance();
124
126 void init();
127
129 void intDraw(GLSL::Program* _prog, int _numInstances = 0);
130
131
132
134 GLuint vbo_;
135
137 VertexDeclaration* decl_;
138
139
141 GLSL::Program* texDrawProg_;
142 };
143
144
145 //=============================================================================
146 } // namespace ACG
147 //=============================================================================
148 #endif // ACG_SCREENQUAD_HH defined
149 //=============================================================================
150
ACG::Vec2f
VectorT< float, 2 > Vec2f
Definition: VectorT.hh:108
ACG
Namespace providing different geometric functions concerning angles.
Definition: DBSCANT.cc:51
ACG::ScreenQuad::decl_
VertexDeclaration * decl_
vertex format of screen quad (float2 pos)
Definition: ScreenQuad.hh:137
ACG::ScreenQuad::texDrawProg_
GLSL::Program * texDrawProg_
Simple texture drawing shader.
Definition: ScreenQuad.hh:141
ACG::ScreenQuad
Definition: ScreenQuad.hh:81
ACG::ScreenQuad::vbo_
GLuint vbo_
vbo containing the quad in projected coordinates
Definition: ScreenQuad.hh:134
OpenMesh::VectorT
Definition: Vector11T.hh:83
ACG::VertexDeclaration
Class to define the vertex input layout.
Definition: VertexDeclaration.hh:266
GLSL::Program
GLSL program class.
Definition: GLSLShader.hh:217