diff options
Diffstat (limited to 'engine/shader.h')
-rw-r--r-- | engine/shader.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/engine/shader.h b/engine/shader.h new file mode 100644 index 0000000..012165a --- /dev/null +++ b/engine/shader.h @@ -0,0 +1,56 @@ +#ifndef _SHADER_H_ +#define _SHADER_H_ + +#include <iostream> +#include <string> +#define GL_GLEXT_PROTOTYPES +#ifndef __APPLE__ +#include <GL/gl.h> +#include <GL/glu.h> +#else +#include <OpenGL/gl.h> +#include <OpenGL/glu.h> +#endif + +class GLBaseShader { + friend class GLShaderProgram; + + protected: + bool shader_source(const char *filename); + bool shader_source(std::string& filename); + unsigned int shader; + public: + GLBaseShader(GLenum); +}; + +class GLVertexShader : public GLBaseShader { + public: + GLVertexShader() : GLBaseShader(GL_VERTEX_SHADER) {}; + GLVertexShader(const char *s) : GLBaseShader(GL_VERTEX_SHADER) { shader_source(s); }; + GLVertexShader(std::string& s) : GLBaseShader(GL_VERTEX_SHADER) { shader_source(s); }; +}; + +class GLFragmentShader : public GLBaseShader { + public: + GLFragmentShader() : GLBaseShader(GL_FRAGMENT_SHADER) {}; + GLFragmentShader(const char *s) : GLBaseShader(GL_FRAGMENT_SHADER) { shader_source(s); }; + GLFragmentShader(std::string& s) : GLBaseShader(GL_FRAGMENT_SHADER) { shader_source(s); }; +}; + +class GLShaderProgram { + protected: + unsigned int program; + public: + GLShaderProgram(); + + bool attach(GLBaseShader&); + bool detach(GLBaseShader&); + bool link(); + bool use(); + void remove(); +}; + +void print_ogl_error(GLenum); +bool print_check_ogl_error(); + +#endif |