Graphics::Shader::ShaderManager Class Reference

The shader manager. More...

#include <shader.h>

Inheritance diagram for Graphics::Shader::ShaderManager:

Collaboration diagram for Graphics::Shader::ShaderManager:

Public Member Functions
	ShaderManager ()
	~ShaderManager ()
void	init ()
	Initialise shader management, including default shader set creation. More...
void	deinit ()
	Deinitialise shader subsystem. More...
ShaderObject *	getShaderObject (const Common::UString &name, ShaderType type)
ShaderObject *	getShaderObject (const Common::UString &name, const Common::UString &source, ShaderType type)
void	bindShaderVariable (ShaderObject::ShaderObjectVariable &var, GLint loc, const void *data)
void	bindShaderInstance (ShaderProgram *program, const void **vertexVariables, const void **fragmentVariables)
ShaderProgram *	getShaderProgram (ShaderObject *vertexObject, ShaderObject *fragmentObject)
ShaderProgram *	registerShaderProgram (ShaderObject *vertexObject, ShaderObject *fragmentObject)
void	genShaderVariableList (ShaderObject *obj, std::vector< ShaderObject::ShaderObjectVariable > &vars)
ShaderVariableType	shaderstringToEnum (const Common::UString &stype)
void	genGLShader (ShaderObject *object)
	Generate GL ids for, and compile a shader object. More...
void	genGLProgram (ShaderProgram *program)
	Generate GL id for, and link, a shader program. More...

Private Member Functions
void	registerShaderAttachment (GLuint progid, ShaderObject *obj)
	Recursively attaches shader objects to a given program. More...
void	parseShaderVariables (const Common::UString &shaderString, std::vector< ShaderObject::ShaderObjectVariable > &variableList)
	Parses a given string, representing a GLSL shader, and extracts uniform variable information from it. More...

Private Attributes
uint32	_counterVID
uint32	_counterFID
std::map< Common::UString, Shader::ShaderObject * >	_shaderObjectMap
std::vector< Shader::ShaderProgram * >	_shaderProgramArray
Common::Mutex	_shaderMutex
Common::Mutex	_programMutex

Additional Inherited Members
Static Public Member Functions inherited from Common::Singleton< ShaderManager >
static ShaderManager &	instance ()
static void	destroy ()
Protected Types inherited from Common::Singleton< ShaderManager >
typedef ShaderManager	SingletonBaseType
Protected Member Functions inherited from Common::Singleton< ShaderManager >
	Singleton ()
virtual	~Singleton ()

Detailed Description

The shader manager.

Definition at line 240 of file shader.h.

Constructor & Destructor Documentation

ShaderManager()

Graphics::Shader::ShaderManager::ShaderManager

(

)

Definition at line 79 of file shader.cpp.

~ShaderManager()

Graphics::Shader::ShaderManager::~ShaderManager

(

)

Definition at line 82 of file shader.cpp.

References deinit().

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Member Function Documentation

bindShaderInstance()

void Graphics::Shader::ShaderManager::bindShaderInstance	(	ShaderProgram *	program,
		const void **	vertexVariables,
		const void **	fragmentVariables
	)

Definition at line 324 of file shader.cpp.

References bindShaderVariable(), Graphics::Shader::ShaderProgram::fragmentObject, Graphics::Shader::ShaderProgram::fragmentVariableLocations, Graphics::Shader::ShaderProgram::glid, Graphics::Shader::ShaderObject::variablesCombined, Graphics::Shader::ShaderProgram::vertexObject, and Graphics::Shader::ShaderProgram::vertexVariableLocations.

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bindShaderVariable()

void Graphics::Shader::ShaderManager::bindShaderVariable	(	ShaderObject::ShaderObjectVariable &	var,
		GLint	loc,
		const void *	data
	)

Definition at line 228 of file shader.cpp.

References Graphics::Shader::ShaderObject::ShaderObjectVariable::count, Graphics::Shader::SHADER_FLOAT, Graphics::Shader::SHADER_INT, Graphics::Shader::SHADER_ISAMPLER1D, Graphics::Shader::SHADER_ISAMPLER1DARRAY, Graphics::Shader::SHADER_ISAMPLER2D, Graphics::Shader::SHADER_ISAMPLER2DARRAY, Graphics::Shader::SHADER_ISAMPLER3D, Graphics::Shader::SHADER_ISAMPLERCUBE, Graphics::Shader::SHADER_IVEC2, Graphics::Shader::SHADER_IVEC3, Graphics::Shader::SHADER_IVEC4, Graphics::Shader::SHADER_MAT2, Graphics::Shader::SHADER_MAT3, Graphics::Shader::SHADER_MAT4, Graphics::Shader::SHADER_SAMPLER1D, Graphics::Shader::SHADER_SAMPLER1DARRAY, Graphics::Shader::SHADER_SAMPLER1DARRAYSHADOW, Graphics::Shader::SHADER_SAMPLER1DSHADOW, Graphics::Shader::SHADER_SAMPLER2D, Graphics::Shader::SHADER_SAMPLER2DARRAY, Graphics::Shader::SHADER_SAMPLER2DARRAYSHADOW, Graphics::Shader::SHADER_SAMPLER2DSHADOW, Graphics::Shader::SHADER_SAMPLER3D, Graphics::Shader::SHADER_SAMPLERBUFFER, Graphics::Shader::SHADER_SAMPLERCUBE, Graphics::Shader::SHADER_UNIFORM_BUFFER, Graphics::Shader::SHADER_USAMPLER1D, Graphics::Shader::SHADER_USAMPLER1DARRAY, Graphics::Shader::SHADER_USAMPLER2D, Graphics::Shader::SHADER_USAMPLER2DARRAY, Graphics::Shader::SHADER_USAMPLER3D, Graphics::Shader::SHADER_USAMPLERCUBE, Graphics::Shader::SHADER_VEC2, Graphics::Shader::SHADER_VEC3, Graphics::Shader::SHADER_VEC4, and Graphics::Shader::ShaderObject::ShaderObjectVariable::type.

Referenced by bindShaderInstance().

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deinit()

void Graphics::Shader::ShaderManager::deinit

(

)

Deinitialise shader subsystem.

Definition at line 165 of file shader.cpp.

References _shaderObjectMap, _shaderProgramArray, and status().

Referenced by ~ShaderManager().

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genGLProgram()

void Graphics::Shader::ShaderManager::genGLProgram

(

ShaderProgram *

program

)

Generate GL id for, and link, a shader program.

Definition at line 564 of file shader.cpp.

References error(), Graphics::Shader::ShaderProgram::fragmentObject, Graphics::Shader::ShaderProgram::fragmentVariableLocations, genGLShader(), GfxMan, Graphics::Shader::ShaderProgram::glid, registerShaderAttachment(), Graphics::Shader::SHADER_UNIFORM_BUFFER, Graphics::Shader::UBO_BONE_MATRICES, Graphics::Shader::UBO_SCREEN_INFO, Graphics::Shader::UBO_VIEW_MATRICES, Graphics::Shader::ShaderObject::variablesCombined, Graphics::Shader::VERTEX_COLOR, Graphics::Shader::VERTEX_LOCATION, Graphics::Shader::VERTEX_NORMAL, Graphics::Shader::VERTEX_TEXCOORD0, Graphics::Shader::VERTEX_TEXCOORD1, Graphics::Shader::ShaderProgram::vertexObject, and Graphics::Shader::ShaderProgram::vertexVariableLocations.

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genGLShader()

void Graphics::Shader::ShaderManager::genGLShader

(

ShaderObject *

object

)

Generate GL ids for, and compile a shader object.

Definition at line 544 of file shader.cpp.

References error(), Graphics::Shader::ShaderObject::glid, Graphics::Shader::SHADER_VERTEX, and Graphics::Shader::ShaderObject::type.

Referenced by genGLProgram().

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genShaderVariableList()

void Graphics::Shader::ShaderManager::genShaderVariableList	(	ShaderObject *	obj,
		std::vector< ShaderObject::ShaderObjectVariable > &	vars
	)

Definition at line 408 of file shader.cpp.

References Graphics::Shader::ShaderObject::subObjects, and Graphics::Shader::ShaderObject::variablesSelf.

Referenced by getShaderObject().

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getShaderObject() [1/2]

ShaderObject * Graphics::Shader::ShaderManager::getShaderObject	(	const Common::UString &	name,
		ShaderType	type
	)

Definition at line 184 of file shader.cpp.

References _shaderObjectMap.

getShaderObject() [2/2]

ShaderObject * Graphics::Shader::ShaderManager::getShaderObject	(	const Common::UString &	name,
		const Common::UString &	source,
		ShaderType	type
	)

Definition at line 197 of file shader.cpp.

References _counterFID, _counterVID, _shaderMutex, _shaderObjectMap, Common::UString::c_str(), genShaderVariableList(), Graphics::Shader::ShaderObject::glid, Graphics::Shader::ShaderObject::id, Common::Mutex::lock(), parseShaderVariables(), Graphics::Shader::SHADER_VERTEX, Graphics::Shader::ShaderObject::shaderString, status(), Graphics::Shader::ShaderObject::type, Common::Mutex::unlock(), Graphics::Shader::ShaderObject::variablesCombined, and Graphics::Shader::ShaderObject::variablesSelf.

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getShaderProgram()

ShaderProgram * Graphics::Shader::ShaderManager::getShaderProgram	(	ShaderObject *	vertexObject,
		ShaderObject *	fragmentObject
	)

Definition at line 335 of file shader.cpp.

References _programMutex, _shaderProgramArray, Graphics::Shader::ShaderObject::id, Common::Mutex::lock(), and Common::Mutex::unlock().

Referenced by registerShaderProgram().

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init()

void Graphics::Shader::ShaderManager::init

(

)

Initialise shader management, including default shader set creation.

Definition at line 86 of file shader.cpp.

References Graphics::Shader::ShaderDescriptor::addPass(), Graphics::Shader::ShaderDescriptor::BLEND_MULTIPLY, Graphics::Shader::ShaderDescriptor::BLEND_ONE, Graphics::Shader::ShaderDescriptor::build(), Common::UString::clear(), Graphics::Shader::ShaderDescriptor::clear(), Graphics::Shader::ShaderDescriptor::COLOUR, Graphics::Shader::ShaderDescriptor::connect(), Graphics::Shader::ShaderDescriptor::declareInput(), Graphics::Shader::ShaderDescriptor::declareSampler(), Graphics::Shader::ShaderDescriptor::declareUniform(), GfxMan, Graphics::Shader::ShaderDescriptor::INPUT_COLOUR, Graphics::Shader::ShaderDescriptor::INPUT_POSITION0, Graphics::Shader::ShaderDescriptor::INPUT_UV0, Graphics::Shader::ShaderDescriptor::INPUT_UV0_MATRIX, registerShaderProgram(), Graphics::Shader::ShaderDescriptor::SAMPLER_2D, Graphics::Shader::ShaderDescriptor::SAMPLER_TEXTURE_0, Graphics::Shader::SHADER_FRAGMENT, Graphics::Shader::SHADER_VERTEX, ShaderMan, status(), Graphics::Shader::ShaderDescriptor::TEXTURE_DIFFUSE, Graphics::Shader::ShaderDescriptor::UNIFORM_F_COLOUR, and Graphics::Shader::ShaderDescriptor::X_COLOUR.

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parseShaderVariables()

void Graphics::Shader::ShaderManager::parseShaderVariables ( const Common::UString &  shaderString, std::vector< ShaderObject::ShaderObjectVariable > &  variableList  )

private

Parses a given string, representing a GLSL shader, and extracts uniform variable information from it.

Definition at line 438 of file shader.cpp.

References Common::UString::c_str(), Graphics::Shader::SHADER_INVALID, and shaderstringToEnum().

Referenced by getShaderObject().

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registerShaderAttachment()

void Graphics::Shader::ShaderManager::registerShaderAttachment ( GLuint  progid, ShaderObject *  obj  )

private

Recursively attaches shader objects to a given program.

Called prior to linking.

Definition at line 366 of file shader.cpp.

References Graphics::Shader::ShaderObject::glid, and Graphics::Shader::ShaderObject::subObjects.

Referenced by genGLProgram().

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registerShaderProgram()

ShaderProgram * Graphics::Shader::ShaderManager::registerShaderProgram	(	ShaderObject *	vertexObject,
		ShaderObject *	fragmentObject
	)

Definition at line 373 of file shader.cpp.

References _programMutex, _shaderProgramArray, Graphics::Shader::ShaderProgram::fragmentObject, getShaderProgram(), Graphics::Shader::ShaderProgram::glid, Graphics::Shader::ShaderObject::id, Graphics::Shader::ShaderProgram::id, Common::Mutex::lock(), Graphics::Shader::ShaderProgram::queue(), Common::Mutex::unlock(), Graphics::Shader::ShaderObject::usageCount, and Graphics::Shader::ShaderProgram::vertexObject.

Referenced by init().

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shaderstringToEnum()

ShaderVariableType Graphics::Shader::ShaderManager::shaderstringToEnum

(

const Common::UString &

stype

)

Definition at line 701 of file shader.cpp.

References Graphics::Shader::SHADER_INVALID, and Graphics::Shader::shaderTypeChararray.

Referenced by parseShaderVariables().

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Member Data Documentation

_counterFID

uint32 Graphics::Shader::ShaderManager::_counterFID

private

Definition at line 280 of file shader.h.

Referenced by getShaderObject().

_counterVID

uint32 Graphics::Shader::ShaderManager::_counterVID

private

Definition at line 279 of file shader.h.

Referenced by getShaderObject().

_programMutex

Common::Mutex Graphics::Shader::ShaderManager::_programMutex

private

Definition at line 285 of file shader.h.

Referenced by getShaderProgram(), and registerShaderProgram().

_shaderMutex

Common::Mutex Graphics::Shader::ShaderManager::_shaderMutex

private

Definition at line 284 of file shader.h.

Referenced by getShaderObject().

_shaderObjectMap

std::map<Common::UString, Shader::ShaderObject *> Graphics::Shader::ShaderManager::_shaderObjectMap

private

Definition at line 281 of file shader.h.

Referenced by deinit(), and getShaderObject().

_shaderProgramArray

std::vector<Shader::ShaderProgram *> Graphics::Shader::ShaderManager::_shaderProgramArray

private

Definition at line 282 of file shader.h.

Referenced by deinit(), getShaderProgram(), and registerShaderProgram().

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

• src/graphics/shader/shader.h
• src/graphics/shader/shader.cpp