demos/boxes/glshaders.h

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  41
  42 #ifndef GLSHADERS_H
  43 #define GLSHADERS_H
  44
  45 //#include <GL/glew.h>
  46 #include "glextensions.h"
  47
  48 #include <QtGui>
  49 #include <QtOpenGL>
  50
  51 #include "vector.h"
  52
  53 class GLShader
  54 {
  55 public:
  56     friend class GLProgram;
  57     virtual ~GLShader();
  58     bool failed() const {return m_failed;}
  59     QString log();
  60 protected:
  61     GLShader(const char *data, int size, GLenum shaderType);
  62     GLShader(const QString& fileName, GLenum shaderType);
  63
  64     GLhandleARB m_shader;
  65     bool m_compileError;
  66     bool m_failed;
  67 };
  68
  69 class GLVertexShader : public GLShader
  70 {
  71 public:
  72     GLVertexShader(const char *data, int size);
  73     GLVertexShader(const QString& fileName);
  74 };
  75
  76 class GLFragmentShader : public GLShader
  77 {
  78 public:
  79     GLFragmentShader(const char *data, int size);
  80     GLFragmentShader(const QString& fileName);
  81 };
  82
  83 class GLProgram
  84 {
  85 public:
  86     GLProgram();
  87     ~GLProgram();
  88     void attach(const GLShader &shader);
  89     void detach(const GLShader &shader);
  90     void bind();
  91     void unbind();
  92     bool failed();
  93     QString log();
  94     bool hasParameter(const QString& name);
  95     // use program before setting values
  96     void setInt(const QString& name, int value);
  97     void setFloat(const QString& name, float value);
  98     void setColor(const QString& name, QRgb value);
  99     void setMatrix(const QString& name, const gfx::Matrix4x4f &mat);
 100     // TODO: add a bunch of set-functions for different types.
 101 private:
 102     GLhandleARB m_program;
 103     bool m_linked;
 104     bool m_linkError;
 105     bool m_failed;
 106 };
 107
 108 #endif