SLGLProgramManager Class Reference

Static container for standard shader programs. More...

#include <SLGLProgramManager.h>

Static Public Member Functions
static void	init (string shaderPath, string configPath)
	Init by providing path to standard shader files. More...
static SLGLProgramGeneric *	get (SLStdShaderProg id)
	Get program reference for given id. More...
static void	loadPrograms ()
	Instantiate and load all programs. More...
static void	deletePrograms ()
	Delete all instantiated programs. More...
static size_t	size ()
	Returns the size of the program map. More...

Static Public Attributes
static string	shaderPath
	Contains the global shader path. More...
static string	configPath
	Contains the global writable configuration path. More...

Static Private Member Functions
static SLGLProgramGeneric *	loadProgram (SLStdShaderProg id, string vertShaderFilename, string fragShaderFilename)
	Make a new program and insert it into _programs. More...

Static Private Attributes
static std::map< SLStdShaderProg, SLGLProgramGeneric * >	_programs
	Instantiated programs. More...

Detailed Description

Static container for standard shader programs.

Static container for standard shader programs that are not deleted after scene deallocation. The shader program allocation and compilation will be done at the first use. ONLY shader programs that are scene independent should be stored here. Shader programs that depend e.g. on the number of lights must be created at scene loading time and deallocation at scene destruction.

Definition at line 45 of file SLGLProgramManager.h.

Member Function Documentation

deletePrograms()

void SLGLProgramManager::deletePrograms ( )

static

Delete all instantiated programs.

Definition at line 63 of file SLGLProgramManager.cpp.

{
    for (auto it : _programs)
        delete it.second;
    _programs.clear();
}

get()

static SLGLProgramGeneric* SLGLProgramManager::get ( SLStdShaderProg  id )

inlinestatic

Get program reference for given id.

Definition at line 52 of file SLGLProgramManager.h.

{ return _programs[id]; }

init()

void SLGLProgramManager::init ( string  shaderPath, string  configPath  )

static

Init by providing path to standard shader files.

Parameters

shdrPath	Path to the shader files
confPath	Path to the writable config directory

Definition at line 22 of file SLGLProgramManager.cpp.

{
    SLGLProgramManager::shaderPath = std::move(shaderPath);
    SLGLProgramManager::configPath = std::move(configPath);
}

loadProgram()

SLGLProgramGeneric * SLGLProgramManager::loadProgram ( SLStdShaderProg  id, string  vertShaderFilename, string  fragShaderFilename  )

staticprivate

Make a new program and insert it into _programs.

Definition at line 70 of file SLGLProgramManager.cpp.

{
    SLstring vertShaderPath = shaderPath + vertShaderFilename;
    SLstring fragShaderPath = shaderPath + fragShaderFilename;
 
    SLGLProgramGeneric* program = new SLGLProgramGeneric(nullptr,
                                                         vertShaderPath,
                                                         fragShaderPath);
    _programs.insert({id, program});
    return program;
}

loadPrograms()

void SLGLProgramManager::loadPrograms ( )

static

Instantiate and load all programs.

Definition at line 28 of file SLGLProgramManager.cpp.

{
    assert(!shaderPath.empty() &&
           "Error in SLGLProgramManager: shader path is empty!");
 
    loadProgram(SP_colorAttribute,
                "ColorAttribute.vert",
                "Color.frag");
    loadProgram(SP_colorUniform,
                "ColorUniform.vert",
                "Color.frag");
    loadProgram(SP_textureOnly,
                "TextureOnly.vert",
                "TextureOnly.frag");
    loadProgram(SP_textureOnlyExternal,
                "TextureOnlyExternal.vert",
                "TextureOnlyExternal.frag");
    loadProgram(SP_fontTex,
                "FontTex.vert",
                "FontTex.frag");
    loadProgram(SP_errorTex,
                "ErrorTex.vert",
                "ErrorTex.frag");
    loadProgram(SP_depth,
                "Depth.vert",
                "Depth.frag");
 
    SLGLProgram* colorUniformPoint = loadProgram(SP_colorUniformPoint,
                                                 "ColorUniformPoint.vert",
                                                 "Color.frag");
    colorUniformPoint->addUniform1f(new SLGLUniform1f(UT_const,
                                                      "u_pointSize",
                                                      3.0f));
}

size()

static size_t SLGLProgramManager::size ( )

inlinestatic

Returns the size of the program map.

Definition at line 61 of file SLGLProgramManager.h.

{ return _programs.size(); }

Member Data Documentation

_programs

std::map< SLStdShaderProg, SLGLProgramGeneric * > SLGLProgramManager::_programs

staticprivate

Instantiated programs.

Definition at line 76 of file SLGLProgramManager.h.

configPath

string SLGLProgramManager::configPath

static

Contains the global writable configuration path.

Definition at line 67 of file SLGLProgramManager.h.

shaderPath

string SLGLProgramManager::shaderPath

static

Contains the global shader path.

Definition at line 64 of file SLGLProgramManager.h.

---

The documentation for this class was generated from the following files:

• SLGLProgramManager.h
• SLGLProgramManager.cpp