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Materials
Core

## Classes

class | Ogre::AutoParamDataSource
| This utility class is used to hold the information used to generate the matrices and other information required to automatically populate GpuProgramParameters. More...
struct | Ogre::ColourBlendState
| Describes the global blending factors for combining subsequent renders with the existing frame contents. More...
class | Ogre::ExternalTextureSource
| IMPORTANT: Plugins must override default dictionary name! Base class that texture plugins derive from. More...
class | Ogre::ExternalTextureSourceManager
| Singleton Class which handles the registering and control of texture plugins. More...
struct | Ogre::GpuConstantDefinition
| Information about predefined program constants. More...
struct | Ogre::GpuLogicalBufferStruct
| Container struct to allow params to safely & update shared list of logical buffer assignments. More...
struct | Ogre::GpuLogicalIndexUse
| Structure recording the use of a physical buffer by a logical parameter index. More...
struct | Ogre::GpuNamedConstants
| Struct collecting together the information for named constants. More...
class | Ogre::GpuNamedConstantsSerializer
| Simple class for loading / saving GpuNamedConstants. More...
class | Ogre::GpuProgramParameters
| Collects together the program parameters used for a GpuProgram. More...
class | Ogre::GpuProgramUsage
| This class makes the usage of a vertex and fragment programs (low-level or high-level), with a given set of parameters, explicit. More...
class | Ogre::GpuSharedParameters
| A group of manually updated parameters that are shared between many parameter sets. More...
class | Ogre::GpuSharedParametersUsage
| This class records the usage of a set of shared parameters in a concrete set of GpuProgramParameters. More...
struct | Ogre::IlluminationPass
| Struct recording a pass which can be used for a specific illumination stage. More...
class | Ogre::LayerBlendModeEx
| Class which manages blending of both colour and alpha components. More...
class | Ogre::Material
| Class encapsulates rendering properties of an object. More...
class | Ogre::MaterialManager
| Class for managing Material settings for Ogre. More...
class | Ogre::MaterialSerializer
| Class for serializing Materials to a .material script. More...
class | Ogre::Pass
| Class defining a single pass of a Technique (of a Material): a single rendering call. More...
class | Ogre::Sampler
| Class which determines how a TextureUnitState accesses data from a Texture. More...
class | Ogre::Technique
| Class representing an approach to rendering this particular Material. More...
class | Ogre::TextureUnitState
| Class representing the state of a single texture unit during a Pass of a Technique, of a Material. More...

## Typedefs

typedef std::vector< uchar > | Ogre::ConstantList
| Definition of container that holds the current constants.
typedef ConstMapIterator< GpuConstantDefinitionMap > | Ogre::GpuConstantDefinitionIterator
typedef std::map< String, GpuConstantDefinition > | Ogre::GpuConstantDefinitionMap
typedef std::map< size_t, GpuLogicalIndexUse > | Ogre::GpuLogicalIndexUseMap
typedef std::vector< IlluminationPass * > | Ogre::IlluminationPassList
typedef std::shared_ptr< Sampler > | Ogre::SamplerPtr

## Enumerations

enum | Ogre::BaseConstantType { Ogre::BCT_FLOAT = 0 , Ogre::BCT_INT = 0x10 , Ogre::BCT_DOUBLE = 0x20 , Ogre::BCT_UINT = 0x30 , Ogre::BCT_BOOL = 0x40 , Ogre::BCT_SAMPLER = 0x50 , Ogre::BCT_SPECIALIZATION = 0x60 , Ogre::BCT_UNKNOWN = 0x70 }
enum | Ogre::eTexturePlayMode { Ogre::TextureEffectPause = 0 , Ogre::TextureEffectPlay_ASAP = 1 , Ogre::TextureEffectPlay_Looping = 2 }
| Enum for type of texture play mode. More...

enum

Ogre::GpuConstantType {
Ogre::GCT_FLOAT1 = BCT_FLOAT + 1 , Ogre::GCT_FLOAT2 = BCT_FLOAT + 2 , Ogre::GCT_FLOAT3 = BCT_FLOAT + 3 , Ogre::GCT_FLOAT4 = BCT_FLOAT + 4 ,
Ogre::GCT_SAMPLER1D = BCT_SAMPLER + 1 , Ogre::GCT_SAMPLER2D = BCT_SAMPLER + 2 , Ogre::GCT_SAMPLER3D = BCT_SAMPLER + 3 , Ogre::GCT_SAMPLERCUBE = BCT_SAMPLER + 4 ,
Ogre::GCT_SAMPLER1DSHADOW = BCT_SAMPLER + 6 , Ogre::GCT_SAMPLER2DSHADOW = BCT_SAMPLER + 7 , Ogre::GCT_SAMPLER2DARRAY = BCT_SAMPLER + 8 , Ogre::GCT_SAMPLER_EXTERNAL_OES = BCT_SAMPLER + 9 ,
Ogre::GCT_SAMPLER2DARRAYSHADOW = BCT_SAMPLER + 10 , Ogre::GCT_SAMPLERCUBESHADOW = BCT_SAMPLER + 11 , Ogre::GCT_MATRIX_2X2 = BCT_FLOAT + 5 , Ogre::GCT_MATRIX_2X3 = BCT_FLOAT + 6 ,
Ogre::GCT_MATRIX_2X4 = BCT_FLOAT + 7 , Ogre::GCT_MATRIX_3X2 = BCT_FLOAT + 8 , Ogre::GCT_MATRIX_3X3 = BCT_FLOAT + 9 , Ogre::GCT_MATRIX_3X4 = BCT_FLOAT + 10 ,
Ogre::GCT_MATRIX_4X2 = BCT_FLOAT + 11 , Ogre::GCT_MATRIX_4X3 = BCT_FLOAT + 12 , Ogre::GCT_MATRIX_4X4 = BCT_FLOAT + 13 , Ogre::GCT_INT1 = BCT_INT + 1 ,
Ogre::GCT_INT2 = BCT_INT + 2 , Ogre::GCT_INT3 = BCT_INT + 3 , Ogre::GCT_INT4 = BCT_INT + 4 , Ogre::GCT_SPECIALIZATION = BCT_SPECIALIZATION ,
Ogre::GCT_DOUBLE1 = BCT_DOUBLE + 1 , Ogre::GCT_DOUBLE2 = BCT_DOUBLE + 2 , Ogre::GCT_DOUBLE3 = BCT_DOUBLE + 3 , Ogre::GCT_DOUBLE4 = BCT_DOUBLE + 4 ,
Ogre::GCT_MATRIX_DOUBLE_2X2 = BCT_DOUBLE + 5 , Ogre::GCT_MATRIX_DOUBLE_2X3 = BCT_DOUBLE + 6 , Ogre::GCT_MATRIX_DOUBLE_2X4 = BCT_DOUBLE + 7 , Ogre::GCT_MATRIX_DOUBLE_3X2 = BCT_DOUBLE + 8 ,
Ogre::GCT_MATRIX_DOUBLE_3X3 = BCT_DOUBLE + 9 , Ogre::GCT_MATRIX_DOUBLE_3X4 = BCT_DOUBLE + 10 , Ogre::GCT_MATRIX_DOUBLE_4X2 = BCT_DOUBLE + 11 , Ogre::GCT_MATRIX_DOUBLE_4X3 = BCT_DOUBLE + 12 ,
Ogre::GCT_MATRIX_DOUBLE_4X4 = BCT_DOUBLE + 13 , Ogre::GCT_UINT1 = BCT_UINT + 1 , Ogre::GCT_UINT2 = BCT_UINT + 2 , Ogre::GCT_UINT3 = BCT_UINT + 3 ,
Ogre::GCT_UINT4 = BCT_UINT + 4 , Ogre::GCT_BOOL1 = BCT_BOOL + 1 , Ogre::GCT_BOOL2 = BCT_BOOL + 2 , Ogre::GCT_BOOL3 = BCT_BOOL + 3 ,
Ogre::GCT_BOOL4 = BCT_BOOL + 4 , Ogre::GCT_UNKNOWN = BCT_UNKNOWN
}

| Enumeration of the types of constant we may encounter in programs. More...
enum | Ogre::GpuParamVariability : uint16 { Ogre::GPV_GLOBAL = 1 , Ogre::GPV_PER_OBJECT = 2 , Ogre::GPV_LIGHTS = 4 , Ogre::GPV_PASS_ITERATION_NUMBER = 8 , Ogre::GPV_ALL = 0xFFFF }
| The variability of a GPU parameter, as derived from auto-params targeting it. More...
enum | Ogre::IlluminationStage : uint8 { Ogre::IS_AMBIENT , Ogre::IS_PER_LIGHT , Ogre::IS_DECAL , Ogre::IS_UNKNOWN }
| Categorisation of passes for the purpose of additive lighting. More...
enum | Ogre::LayerBlendOperation { Ogre::LBO_REPLACE , Ogre::LBO_ADD , Ogre::LBO_MODULATE , Ogre::LBO_ALPHA_BLEND }
| List of valid texture blending operations, for use with TextureUnitState::setColourOperation. More...

enum

Ogre::LayerBlendOperationEx {
Ogre::LBX_SOURCE1 , Ogre::LBX_SOURCE2 , Ogre::LBX_MODULATE , Ogre::LBX_MODULATE_X2 ,
Ogre::LBX_MODULATE_X4 , Ogre::LBX_ADD , Ogre::LBX_ADD_SIGNED , Ogre::LBX_ADD_SMOOTH ,
Ogre::LBX_SUBTRACT , Ogre::LBX_BLEND_DIFFUSE_ALPHA , Ogre::LBX_BLEND_TEXTURE_ALPHA , Ogre::LBX_BLEND_CURRENT_ALPHA ,
Ogre::LBX_BLEND_MANUAL , Ogre::LBX_DOTPRODUCT , Ogre::LBX_BLEND_DIFFUSE_COLOUR
}

| Expert list of valid texture blending operations, for use with TextureUnitState::setColourOperationEx and TextureUnitState::setAlphaOperation, and internally in the LayerBlendModeEx class. More...
enum | Ogre::LayerBlendSource { Ogre::LBS_CURRENT , Ogre::LBS_TEXTURE , Ogre::LBS_DIFFUSE , Ogre::LBS_SPECULAR , Ogre::LBS_MANUAL }
| List of valid sources of values for blending operations used in TextureUnitState::setColourOperation and TextureUnitState::setAlphaOperation, and internally in the LayerBlendModeEx class. More...
enum | Ogre::LayerBlendType { Ogre::LBT_COLOUR , Ogre::LBT_ALPHA }
| Type of texture blend mode. More...
enum | Ogre::SceneBlendFactor { Ogre::SBF_ONE , Ogre::SBF_ZERO , Ogre::SBF_DEST_COLOUR , Ogre::SBF_SOURCE_COLOUR , Ogre::SBF_ONE_MINUS_DEST_COLOUR , Ogre::SBF_ONE_MINUS_SOURCE_COLOUR , Ogre::SBF_DEST_ALPHA , Ogre::SBF_SOURCE_ALPHA , Ogre::SBF_ONE_MINUS_DEST_ALPHA , Ogre::SBF_ONE_MINUS_SOURCE_ALPHA }
| Blending factors for manually blending objects with the scene. More...
enum | Ogre::SceneBlendOperation { Ogre::SBO_ADD , Ogre::SBO_SUBTRACT , Ogre::SBO_REVERSE_SUBTRACT , Ogre::SBO_MIN , Ogre::SBO_MAX }
| Blending operations controls how objects are blended into the scene. More...
enum | Ogre::SceneBlendType { Ogre::SBT_TRANSPARENT_ALPHA , Ogre::SBT_TRANSPARENT_COLOUR , Ogre::SBT_ADD , Ogre::SBT_MODULATE , Ogre::SBT_REPLACE }
| Types of blending that you can specify between an object and the existing contents of the scene. More...

## Variables

_OgreExport const String | Ogre::MSN_DEFAULT
| Default material scheme name.
_OgreExport const String | Ogre::MSN_SHADERGEN
| Material scheme of the shader generator.
_OgreExport const String | Ogre::MSN_SHADOWCASTER
| Material scheme for shadow casters.

## Detailed Description

## Typedef Documentation

## GpuConstantDefinitionMap

typedef std::map<String, GpuConstantDefinition> Ogre::GpuConstantDefinitionMap

## GpuConstantDefinitionIterator

typedef ConstMapIterator<GpuConstantDefinitionMap> Ogre::GpuConstantDefinitionIterator

## GpuLogicalIndexUseMap

typedef std::map<size_t, GpuLogicalIndexUse> Ogre::GpuLogicalIndexUseMap

## ConstantList

typedef std::vector<uchar> Ogre::ConstantList

Definition of container that holds the current constants.

Note
  Not necessarily in direct index order to constant indexes, logical to physical index map is derived from GpuProgram

## IlluminationPassList

typedef std::vector<IlluminationPass*> Ogre::IlluminationPassList

## SamplerPtr

typedef std::shared_ptr<Sampler> Ogre::SamplerPtr

## Enumeration Type Documentation

## LayerBlendType

enum Ogre::LayerBlendType

Type of texture blend mode.

Enumerator
LBT_COLOUR |
LBT_ALPHA |

## LayerBlendOperation

enum Ogre::LayerBlendOperation

List of valid texture blending operations, for use with TextureUnitState::setColourOperation.

This list is a more limited list than LayerBlendOperationEx because it only includes operations that are supportable in both multipass and multitexture rendering and thus provides automatic fallback if multitexture hardware is lacking or insufficient.

Enumerator
LBO_REPLACE | Replace all colour with texture with no adjustment.
LBO_ADD | Add colour components together.
LBO_MODULATE | Multiply colour components together.
LBO_ALPHA_BLEND | Blend based on texture alpha.

## LayerBlendOperationEx

enum Ogre::LayerBlendOperationEx

Expert list of valid texture blending operations, for use with TextureUnitState::setColourOperationEx and TextureUnitState::setAlphaOperation, and internally in the LayerBlendModeEx class.

It's worth noting that these operations are for blending between texture layers and not between rendered objects and the existing scene. Because all of these modes are only supported in multitexture hardware it may be required to set up a fallback operation where this hardware is not available.

Enumerator
LBX_SOURCE1 | use source1 without modification
LBX_SOURCE2 | use source2 without modification
LBX_MODULATE | multiply source1 and source2 together
LBX_MODULATE_X2 | as LBX_MODULATE but brighten afterwards (x2)
LBX_MODULATE_X4 | as LBX_MODULATE but brighten more afterwards (x4)
LBX_ADD | add source1 and source2 together
LBX_ADD_SIGNED | as LBX_ADD, but subtract 0.5 from the result
LBX_ADD_SMOOTH | as LBX_ADD, but subtract product from the sum
LBX_SUBTRACT | subtract source2 from source1
LBX_BLEND_DIFFUSE_ALPHA | use interpolated alpha value from vertices to scale source1, then add source2 scaled by (1-alpha)
LBX_BLEND_TEXTURE_ALPHA | as LBX_BLEND_DIFFUSE_ALPHA, but use alpha from texture
LBX_BLEND_CURRENT_ALPHA | as LBX_BLEND_DIFFUSE_ALPHA, but use current alpha from previous stages
LBX_BLEND_MANUAL | as LBX_BLEND_DIFFUSE_ALPHA but use a constant manual blend value (0.0-1.0)
LBX_DOTPRODUCT | dot product of color1 and color2
LBX_BLEND_DIFFUSE_COLOUR | use interpolated color values from vertices to scale source1, then add source2 scaled by (1-color)

## LayerBlendSource

enum Ogre::LayerBlendSource

List of valid sources of values for blending operations used in TextureUnitState::setColourOperation and TextureUnitState::setAlphaOperation, and internally in the LayerBlendModeEx class.

Enumerator
LBS_CURRENT | the colour as built up from previous stages
LBS_TEXTURE | the colour derived from the texture assigned to this layer
LBS_DIFFUSE | the interpolated diffuse colour from the vertices
LBS_SPECULAR | the interpolated specular colour from the vertices
LBS_MANUAL | a colour supplied manually as a separate argument

## SceneBlendType

enum Ogre::SceneBlendType

Types of blending that you can specify between an object and the existing contents of the scene.

As opposed to the LayerBlendType, which classifies blends between texture layers, these blending types blend between the output of the texture units and the pixels already in the viewport, allowing for object transparency, glows, etc.

These types are provided to give quick and easy access to common effects. You can also use the more manual method of supplying source and destination blending factors. See Material::setSceneBlending for more details.

See also
  Pass::setSceneBlending

Enumerator
SBT_TRANSPARENT_ALPHA | The alpha value of the rendering output is used as a mask.
SBT_TRANSPARENT_COLOUR | Colour the scene based on the brightness of the input colours, but don’t darken.
SBT_ADD | The colour of the rendering output is added to the scene. Good for explosions, flares, lights, ghosts etc.
SBT_MODULATE | The colour of the rendering output is multiplied with the scene contents. Generally colours and darkens the scene, good for smoked glass, semi-transparent objects etc.
SBT_REPLACE | The default blend mode where source replaces destination.

## SceneBlendFactor

enum Ogre::SceneBlendFactor

Blending factors for manually blending objects with the scene.

If there isn't a predefined SceneBlendType that you like, then you can specify the blending factors directly to affect the combination of object and the existing scene. See Material::setSceneBlending for more details.

Enumerator
SBF_ONE | Constant value of 1.0.
SBF_ZERO | Constant value of 0.0.
SBF_DEST_COLOUR | The existing pixel colour.
SBF_SOURCE_COLOUR | The texture pixel (texel) colour.
SBF_ONE_MINUS_DEST_COLOUR | 1 - SBF_DEST_COLOUR
SBF_ONE_MINUS_SOURCE_COLOUR | 1 - SBF_SOURCE_COLOUR
SBF_DEST_ALPHA | The existing pixel alpha value.
SBF_SOURCE_ALPHA | The texel alpha value.
SBF_ONE_MINUS_DEST_ALPHA | 1 - SBF_DEST_ALPHA
SBF_ONE_MINUS_SOURCE_ALPHA | 1 - SBF_SOURCE_ALPHA

## SceneBlendOperation

enum Ogre::SceneBlendOperation

Blending operations controls how objects are blended into the scene.

The default operation is add (+) but by changing this you can change how drawn objects are blended into the existing scene.

Enumerator
SBO_ADD |
SBO_SUBTRACT |
SBO_REVERSE_SUBTRACT |
SBO_MIN |
SBO_MAX |

## eTexturePlayMode

enum Ogre::eTexturePlayMode

Enum for type of texture play mode.

Enumerator
TextureEffectPause |
TextureEffectPlay_ASAP | Video starts out paused.
TextureEffectPlay_Looping | Video starts playing as soon as possible.

## BaseConstantType

enum Ogre::BaseConstantType

Enumerator
BCT_FLOAT |
BCT_INT |
BCT_DOUBLE |
BCT_UINT |
BCT_BOOL |
BCT_SAMPLER |
BCT_SPECIALIZATION | shader specialisation constant
BCT_UNKNOWN |

## GpuConstantType

enum Ogre::GpuConstantType

Enumeration of the types of constant we may encounter in programs.

Note
  Low-level programs, by definition, will always use either float4 or int4 constant types since that is the fundamental underlying type in assembler.

Enumerator
GCT_FLOAT1 |
GCT_FLOAT2 |
GCT_FLOAT3 |
GCT_FLOAT4 |
GCT_SAMPLER1D |
GCT_SAMPLER2D |
GCT_SAMPLER3D |
GCT_SAMPLERCUBE |
GCT_SAMPLER1DSHADOW |
GCT_SAMPLER2DSHADOW |
GCT_SAMPLER2DARRAY |
GCT_SAMPLER_EXTERNAL_OES |
GCT_SAMPLER2DARRAYSHADOW |
GCT_SAMPLERCUBESHADOW |
GCT_MATRIX_2X2 |
GCT_MATRIX_2X3 |
GCT_MATRIX_2X4 |
GCT_MATRIX_3X2 |
GCT_MATRIX_3X3 |
GCT_MATRIX_3X4 |
GCT_MATRIX_4X2 |
GCT_MATRIX_4X3 |
GCT_MATRIX_4X4 |
GCT_INT1 |
GCT_INT2 |
GCT_INT3 |
GCT_INT4 |
GCT_SPECIALIZATION |
GCT_DOUBLE1 |
GCT_DOUBLE2 |
GCT_DOUBLE3 |
GCT_DOUBLE4 |
GCT_MATRIX_DOUBLE_2X2 |
GCT_MATRIX_DOUBLE_2X3 |
GCT_MATRIX_DOUBLE_2X4 |
GCT_MATRIX_DOUBLE_3X2 |
GCT_MATRIX_DOUBLE_3X3 |
GCT_MATRIX_DOUBLE_3X4 |
GCT_MATRIX_DOUBLE_4X2 |
GCT_MATRIX_DOUBLE_4X3 |
GCT_MATRIX_DOUBLE_4X4 |
GCT_UINT1 |
GCT_UINT2 |
GCT_UINT3 |
GCT_UINT4 |
GCT_BOOL1 |
GCT_BOOL2 |
GCT_BOOL3 |
GCT_BOOL4 |
GCT_UNKNOWN |

## GpuParamVariability

enum Ogre::GpuParamVariability : uint16

The variability of a GPU parameter, as derived from auto-params targeting it.

These values must be powers of two since they are used in masks.

Enumerator
GPV_GLOBAL | No variation except by manual setting - the default.
GPV_PER_OBJECT | Varies per object (based on an auto param usually), but not per light setup.
GPV_LIGHTS | Varies with light setup.
GPV_PASS_ITERATION_NUMBER | Varies with pass iteration number.
GPV_ALL | Full mask (16-bit).

## IlluminationStage

enum Ogre::IlluminationStage : uint8

Categorisation of passes for the purpose of additive lighting.

Enumerator
IS_AMBIENT | Part of the rendering which occurs without any kind of direct lighting.
IS_PER_LIGHT | Part of the rendering which occurs per light.
IS_DECAL | Post-lighting rendering.
IS_UNKNOWN | Not determined.

## Variable Documentation

## MSN_DEFAULT

_OgreExport const String Ogre::MSN_DEFAULT

extern

Default material scheme name.

## MSN_SHADERGEN

_OgreExport const String Ogre::MSN_SHADERGEN

extern

Material scheme of the shader generator.

## MSN_SHADOWCASTER

_OgreExport const String Ogre::MSN_SHADOWCASTER

extern

Material scheme for shadow casters.