Wrapper around an OpenGL program: a collection of vertex and fragment shaders. More...
#include <GLUtil.hh>
Public Member Functions | |
| ShaderProgram () | |
| ~ShaderProgram () | |
| bool | isOK () const |
| Returns true iff this program was linked without errors. More... | |
| void | attach (const Shader &shader) |
| Adds a given shader to this program. More... | |
| void | link () |
| Links all attached shaders together into one program. More... | |
| GLint | getUniformLocation (const char *name) const |
| Gets a reference to a uniform variable declared in the shader source. More... | |
| void | activate () const |
| Makes this program the active shader program. More... | |
| void | validate () |
Static Public Member Functions | |
| static void | deactivate () |
| Deactivates all shader programs. More... | |
Additional Inherited Members | |
 Protected Member Functions inherited from noncopyable | |
| noncopyable () | |
| ~noncopyable () | |
Detailed Description
Wrapper around an OpenGL program: a collection of vertex and fragment shaders.
Constructor & Destructor Documentation
Member Function Documentation
| void openmsx::ShaderProgram::activate | ( | ) | const |
Makes this program the active shader program.
This requires that the program is already linked.
Definition at line 383 of file GLUtil.cc.
Referenced by openmsx::GLHQLiteScaler::GLHQLiteScaler(), openmsx::GLHQScaler::GLHQScaler(), openmsx::GLSaIScaler::GLSaIScaler(), openmsx::GLScaleNxScaler::GLScaleNxScaler(), openmsx::GLScaler::GLScaler(), openmsx::GLTVScaler::GLTVScaler(), openmsx::GLScaleNxScaler::scaleImage(), openmsx::GLSaIScaler::scaleImage(), openmsx::GLTVScaler::scaleImage(), and openmsx::GLScaler::scaleImage().
| void openmsx::ShaderProgram::attach | ( | const Shader & | shader | ) |
Adds a given shader to this program.
Definition at line 334 of file GLUtil.cc.
References openmsx::Shader::isOK().
Referenced by openmsx::GLHQLiteScaler::GLHQLiteScaler(), openmsx::GLHQScaler::GLHQScaler(), openmsx::GLSaIScaler::GLSaIScaler(), openmsx::GLScaleNxScaler::GLScaleNxScaler(), openmsx::GLScaler::GLScaler(), and openmsx::GLTVScaler::GLTVScaler().
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static |
Deactivates all shader programs.
Definition at line 388 of file GLUtil.cc.
Referenced by openmsx::GLPostProcessor::paint(), and openmsx::GLScaler::scaleImage().
| GLint openmsx::ShaderProgram::getUniformLocation | ( | const char * | name | ) | const |
Gets a reference to a uniform variable declared in the shader source.
Note that you have to activate this program before you can change the uniform variable's value.
Definition at line 366 of file GLUtil.cc.
References isOK().
Referenced by openmsx::GLSaIScaler::GLSaIScaler(), openmsx::GLScaleNxScaler::GLScaleNxScaler(), openmsx::GLScaler::GLScaler(), and openmsx::GLTVScaler::GLTVScaler().
| bool openmsx::ShaderProgram::isOK | ( | ) | const |
Returns true iff this program was linked without errors.
Note that this will certainly return false until link() is called.
Definition at line 326 of file GLUtil.cc.
Referenced by getUniformLocation(), and link().
| void openmsx::ShaderProgram::link | ( | ) |
Links all attached shaders together into one program.
This should be done before activating the program.
Definition at line 346 of file GLUtil.cc.
References isOK(), openmsx::Version::RELEASE, and VLA.
Referenced by openmsx::GLHQLiteScaler::GLHQLiteScaler(), openmsx::GLHQScaler::GLHQScaler(), openmsx::GLSaIScaler::GLSaIScaler(), openmsx::GLScaleNxScaler::GLScaleNxScaler(), openmsx::GLScaler::GLScaler(), and openmsx::GLTVScaler::GLTVScaler().
The documentation for this class was generated from the following files:
