#include <gls_state_manager_es20_interface.h>

Inheritance diagram for IGlsStateManagerES20:

Classes
struct	gl_LightSourceParameters

Public Member Functions
virtual GlsMatrixType &	GetTopModelViewMatrix ()=0

virtual GlsMatrixType &	GetTopProjMatrix ()=0

virtual void	TangentArrayEnabled (bool val)=0

virtual void	BinormalArrayEnabled (bool val)=0

virtual void	TangentPointer (GLenum type, GLsizei stride, const GLvoid *pointer)=0

virtual void	BinormalPointer (GLenum type, GLsizei stride, const GLvoid *pointer)=0

virtual void	AlphaBlendFuncSeparate (GLenum srcColor, GLenum dstColor, GLenum srcAlpha, GLenum dstAlpha)=0

virtual void	AlphaBlendFunc (GLenum src, GLenum dst)=0

virtual void	PushAlphaBlendFunc ()=0
	Push the current alpha blend function on the stack. More...

virtual void	PopAlphaBlendFunc ()=0
	Pop the current alpha blend function off the stack. More...

virtual gl_LightSourceParameters &	GetLightSourceParameters (unsigned int index)=0

virtual void	PushCustomShaderProgram (GlsEffect *effect, const GLboolean useProgramImmediately)=0

virtual void	PopCustomShaderProgram ()=0

virtual bool	HasCustomShader () const =0

virtual void	UpdateShaderProgram (const GLboolean forceUpdate)=0

virtual void	UpdateShaderAttributes ()=0

virtual void	UpdateShaderUniforms ()=0

Public Member Functions inherited from IGlsStateManager
virtual void	AlphaBlendFuncSeparate (GLenum srcColor, GLenum dstColor, GLenum srcAlpha, GLenum dstAlpha)=0

virtual void	SetDefaultAlphaBlendFunc ()=0
	Sets the default blend function for GL Studio.

virtual void	PushAlphaBlendFunc ()=0
	Pushes the current alpha blend func onto an internal stack. Can restore the pushed alpha blend func by calling PopAlphaBlendFunc. More...

virtual void	PopAlphaBlendFunc ()=0
	Pops the previously pushed alpha blend func from the stack and restores its state to the opengl context. More...

virtual void	AlphaBlendFunc (GLenum src, GLenum dst)=0

virtual void	SetDefaultState (bool forceResetUnmanagedState=false)=0

virtual void	LoadProjectionMatrixf (const GlsMatrixType &m)=0

virtual void	LoadProjectionIdentityMatrix ()=0

virtual void	PushProjectionMatrix ()=0

virtual void	PopProjectionMatrix ()=0

virtual void	LoadModelViewMatrixf (const GlsMatrixType &m)=0

virtual void	LoadModelViewIdentityMatrix ()=0
	Set the current model view matrix to the identity matrix.

virtual void	MultModelViewMatrixf (const GlsMatrixType &m, const GLboolean pushMatrix)=0

virtual void	TranslateModelViewMatrixf (GLfloat x, GLfloat y, GLfloat z)=0

virtual void	PushModelViewMatrix ()=0

virtual void	PopModelViewMatrix ()=0

virtual void	LoadTextureMatrixf (const GlsMatrixType &m)=0

virtual void	LoadTextureIdentityMatrix ()=0
	Sets the current texture matrix to the identity matrix.

virtual void	ScaleTextureMatrixf (GLfloat x, GLfloat y, GLfloat z)=0

virtual void	TranslateTextureMatrixf (GLfloat x, GLfloat y, GLfloat z)=0

virtual void	PushTextureMatrix ()=0

virtual void	PopTextureMatrix ()=0

virtual void	AlphaBlendEnabled (bool val)=0

virtual void	AlphaTestEnabled (bool val)=0

virtual void	AlphaTestFunc (GLenum func, GLfloat val)=0

virtual void	DepthTestEnabled (bool val)=0

virtual void	DepthMaskEnabled (bool val)=0

virtual bool	IsDepthMaskEnabled ()=0

virtual void	DepthFunc (GLenum func)=0

virtual void	DepthRange (GLfloat min, GLfloat max)=0

virtual void	BackfaceCullingEnabled (bool val)=0

virtual void	Texture2DEnabled (bool val)=0

virtual void	ActiveTexture (GLenum textureUnit)=0

virtual void	BindTexture (IFontImage *texture)=0

virtual void	DeleteTexture (IFontImage *texture)=0

virtual void	SetTextureWrapS (GLenum mode)=0

virtual void	SetTextureWrapT (GLenum mode)=0

virtual void	SetTextureEnvMode (GLenum mode)=0

virtual void	SetTextureBlendColor (GLfloat *color)=0

virtual void	SetTextureMinFilter (GLenum mode)=0

virtual void	SetTextureMagFilter (GLenum mode)=0

virtual void	BindIndexBuffer (unsigned int handle)=0

virtual void	BindVertexBuffer (unsigned int handle)=0

virtual void	VertexArrayEnabled (bool val)=0

virtual void	NormalArrayEnabled (bool val)=0

virtual void	TextureArrayEnabled (bool val)=0

virtual void	ColorArrayEnabled (bool val)=0

virtual void	VertexPointer (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)=0

virtual void	TexCoordPointer (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)=0

virtual void	NormalPointer (GLenum type, GLsizei stride, const GLvoid *pointer)=0

virtual void	ColorPointer (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)=0

virtual void	LineSmoothEnabled (bool val)=0

virtual void	LineWidth (float width)=0

virtual float	GetMaximumLineWidth ()=0

virtual void	PointSize (float size)=0

virtual void	LineStipple (unsigned short pattern, unsigned int multiplier)=0

virtual void	SetColor (const glsColor &color)=0

virtual void	Normal3f (float x, float y, float z)=0

virtual void	AmbientMaterial (const glsColor &color)=0

virtual void	DiffuseMaterial (const glsColor &color)=0

virtual void	SpecularMaterial (const glsColor &color)=0

virtual void	EmissionMaterial (const glsColor &color)=0

virtual void	ShininessMaterial (float shininess)=0

virtual void	LightingEnabled (bool val)=0

virtual void	GouraudShadingEnabled (bool val)=0

virtual bool	IsLightingEnabled ()=0

virtual bool	IsLightSourceEnabled (unsigned int index)=0

virtual unsigned int	GetMaxNumLights ()=0

virtual void	SetLightEnabled (unsigned int index, bool enabled)=0

virtual void	SetLightAmbientColor (unsigned int index, GLfloat *color)=0

virtual void	GetLightAmbientColor (unsigned int index, GLfloat *color)=0

virtual void	SetLightDiffuseColor (unsigned int index, GLfloat *color)=0

virtual void	GetLightDiffuseColor (unsigned int index, GLfloat *color)=0

virtual void	SetLightSpecularColor (unsigned int index, GLfloat *color)=0

virtual void	GetLightSpecularColor (unsigned int index, GLfloat *color)=0

virtual void	SetLightPosition (unsigned int index, GLfloat *position)=0

virtual void	GetLightPosition (unsigned int index, GLfloat *position)=0

virtual void	SetSpotlightDirection (unsigned int index, GLfloat *direction)=0

virtual void	GetSpotlightDirection (unsigned int index, GLfloat *direction)=0

virtual void	SetSpotlightCutoff (unsigned int index, GLfloat cutoff)=0

virtual GLfloat	GetSpotlightCutoff (unsigned int index)=0

virtual void	SetSpotlightExponent (unsigned int index, GLfloat exponent)=0

virtual GLfloat	GetSpotlightExponent (unsigned int index)=0

virtual void	SetLightAttenuation (unsigned int index, GLfloat constant, GLfloat linear, GLfloat quadratic)=0

virtual void	GetLightAttenuation (unsigned int index, GLfloat &constant, GLfloat &linear, GLfloat &quadratic)=0

virtual unsigned int	GetMaxClipPlanes ()=0

virtual void	ClipPlanef (unsigned int index, float *equation)=0

virtual void	GetClipPlanef (unsigned int index, float *equation)=0

virtual void	EnableClipPlane (unsigned int index)=0

virtual void	DisableClipPlane (unsigned int index)=0

virtual bool	IsClipPlaneEnabled (unsigned int index)=0

virtual void	DrawArrays (const GLenum mode, const GLint first, const GLsizei count)=0

virtual void	DrawElements (const GLenum mode, const GLsizei count, const GLenum type, const GLvoid *indices)=0

Protected Member Functions
	IGlsStateManagerES20 ()

	~IGlsStateManagerES20 ()

Protected Member Functions inherited from IGlsStateManager
	IGlsStateManager ()

virtual	~IGlsStateManager ()

Additional Inherited Members
Public Types inherited from IGlsStateManager
enum	{ GLS_TEXTURE_MAP_MODE_MODULATE = 0x2100 , GLS_TEXTURE_MAP_MODE_DECAL = 0x2101 , GLS_TEXTURE_MAP_MODE_BLEND = 0x0BE2 , GLS_TEXTURE_MAP_MODE_REPLACE = 0x1E01 }
	Supported texture mapping modes.

enum	{ MATRIX_STACK_DEPTH = 64u , PROJECTION_STACK_DEPTH = 64u , TEXTURE_STACK_DEPTH = 64u , CUSTOM_SHADER_PROGRAM_STACK_DEPTH = 64u }

Detailed Description

The interface to a state manager that manages the GL Studio runtime library's use of the OpenGL context, minimizing unnecessary state changes, and has support for managing shaders.

Constructor & Destructor Documentation

◆ IGlsStateManagerES20()

IGlsStateManagerES20 ( )

inlineprotected

empty ctor

◆ ~IGlsStateManagerES20()

~IGlsStateManagerES20 ( )

inlineprotected

empty dtor

Member Function Documentation

◆ AlphaBlendFunc()

virtual void AlphaBlendFunc	(	GLenum	src,
		GLenum	dst
	)

pure virtual

Set the alpha blend function.

Parameters

src	Function to use for source color.
dst	Function to use for destination color.

Implements IGlsStateManager.

◆ AlphaBlendFuncSeparate()

virtual void AlphaBlendFuncSeparate	(	GLenum	srcColor,
		GLenum	dstColor,
		GLenum	srcAlpha,
		GLenum	dstAlpha
	)

pure virtual

Set the alpha blend function separately for RGB and A channels.

Parameters

srcColor	Function to use for source color.
dstColor	Function to use for destination color.
srcAlpha	Function to use for source alpha.
dstAlpha	Function to use for destination alpha.

Implements IGlsStateManager.

◆ BinormalArrayEnabled()

virtual void BinormalArrayEnabled ( bool val )

pure virtual

Enable or disable the binormal array vertex attribute.

Parameters

val	The new state flag to set.

◆ BinormalPointer()

virtual void BinormalPointer	(	GLenum	type,
		GLsizei	stride,
		const GLvoid *	pointer
	)

pure virtual

Set the vertex attribute pointer (to underlying data) for the binormal array.

Parameters

type	Must be GL_FLOAT.
stride	The stride in bytes between binormal elements in the vertex data.
pointer	The vertex data.

◆ GetLightSourceParameters()

virtual gl_LightSourceParameters & GetLightSourceParameters ( unsigned int index )

pure virtual

Returns: The light source paramters for the given light index.

Parameters

index The light index whose parameters are to be returned.

◆ GetTopModelViewMatrix()

virtual GlsMatrixType & GetTopModelViewMatrix ( )

pure virtual

Returns: A reference to the top of the modelview matrix stack.

◆ GetTopProjMatrix()

virtual GlsMatrixType & GetTopProjMatrix ( )

pure virtual

Returns: A reference to the top of the projection matrix stack.

◆ HasCustomShader()

virtual bool HasCustomShader ( ) const

pure virtual

Returns: True if there is at least one custom shader on the stack.

◆ PopAlphaBlendFunc()

virtual void PopAlphaBlendFunc ( )

pure virtual

Pop the current alpha blend function off the stack.

Implements IGlsStateManager.

◆ PopCustomShaderProgram()

virtual void PopCustomShaderProgram ( )

pure virtual

Pop the custom shader program stack enabling the next custom shader program on the stack if there is one

Precondition: number of custom shader programs is > 0

Postcondition: the custom shader program stack is popped enabling the next custom shader program on the stack if there is one

◆ PushAlphaBlendFunc()

virtual void PushAlphaBlendFunc ( )

pure virtual

Push the current alpha blend function on the stack.

Implements IGlsStateManager.

◆ PushCustomShaderProgram()

virtual void PushCustomShaderProgram	(	GlsEffect *	effect,
		const GLboolean	useProgramImmediately
	)

pure virtual

Enable the given custom shader program and push it to the top of the custom shader program stack

Parameters

effect	custom shader program
useProgramImmediately	GL_TRUE if custom shader program should immediately be set as the active shader program else GL_FALSE to allow the state manager to set the program active when it is needed

Precondition: number of custom shader programs is < CUSTOM_SHADER_PROGRAM_STACK_DEPTH

Postcondition: the given custom shader program is at the top of the custom shader program stack and is enabled, it is set to the current active shader program if useProgramImmediately is GL_TRUE

◆ TangentArrayEnabled()

virtual void TangentArrayEnabled ( bool val )

pure virtual

Enable or disable the tangent array vertex attribute.

Parameters

val	The new state flag to set.

◆ TangentPointer()

virtual void TangentPointer	(	GLenum	type,
		GLsizei	stride,
		const GLvoid *	pointer
	)

pure virtual

Set the vertex attribute pointer (to underlying data) for the tangent array.

Parameters

type	Must be GL_FLOAT.
stride	The stride in bytes between tangent elements in the vertex data.
pointer	The vertex data.

◆ UpdateShaderAttributes()

virtual void UpdateShaderAttributes ( )

pure virtual

Update the attributes for the current shader as needed

Precondition: none

Postcondition: Appropriate attributes for the current shader are updated

◆ UpdateShaderProgram()

virtual void UpdateShaderProgram ( const GLboolean forceUpdate )

pure virtual

Select the appropriate shader program based on the current settings and update the current shader program if needed

Parameters

forceUpdate GL_TRUE to force uniforms to be updated as if shader program changed

Precondition: none

Postcondition: appropriate shader program based on the current settings is active

◆ UpdateShaderUniforms()

virtual void UpdateShaderUniforms ( )

pure virtual

Update the uniforms for the current shader as needed

Precondition: none

Postcondition: Appropriate uniforms for the current shader are updated

The documentation for this interface was generated from the following file:

gls_state_manager_es20_interface.h

Classes

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ IGlsStateManagerES20()

◆ ~IGlsStateManagerES20()

Member Function Documentation

◆ AlphaBlendFunc()

◆ AlphaBlendFuncSeparate()

◆ BinormalArrayEnabled()

◆ BinormalPointer()

◆ GetLightSourceParameters()

◆ GetTopModelViewMatrix()

◆ GetTopProjMatrix()

◆ HasCustomShader()

◆ PopAlphaBlendFunc()

◆ PopCustomShaderProgram()

◆ PushAlphaBlendFunc()

◆ PushCustomShaderProgram()

◆ TangentArrayEnabled()

◆ TangentPointer()

◆ UpdateShaderAttributes()

◆ UpdateShaderProgram()

◆ UpdateShaderUniforms()