OGRE  1.12.9
Object-Oriented Graphics Rendering Engine
Ogre::GpuProgram Class Referenceabstract

Defines a program which runs on the GPU such as a vertex or fragment program. More...

#include <OgreGpuProgram.h>

+ Inheritance diagram for Ogre::GpuProgram:

Public Member Functions

 GpuProgram (ResourceManager *creator, const String &name, ResourceHandle handle, const String &group, bool isManual=false, ManualResourceLoader *loader=0)
 
virtual ~GpuProgram ()
 
virtual GpuProgram_getBindingDelegate (void)
 Returns the GpuProgram which should be bound to the pipeline. More...
 
uint32 _getHash (uint32 seed=0) const
 internal method to get the microcode cache id More...
 
virtual size_t calculateSize (void) const
 Calculate the size of a resource; this will only be called after 'load'. More...
 
virtual GpuProgramParametersSharedPtr createParameters (void)
 Creates a new parameters object compatible with this program definition. More...
 
virtual Vector3 getComputeGroupDimensions (void) const
 Returns the number of process groups dispatched by this compute program. More...
 
virtual const GpuNamedConstantsgetConstantDefinitions () const
 Get the full list of named constants. More...
 
virtual const GpuProgramParametersPtrgetDefaultParameters (void)
 Get a reference to the default parameters which are to be used for all uses of this program. More...
 
virtual const StringgetLanguage (void) const
 Returns a string that specifies the language of the gpu programs as specified in a material script. More...
 
const StringgetManualNamedConstantsFile () const
 Gets the name of a file from which to load named parameters mapping for a program which would not be able to derive named parameters itself. More...
 
virtual ushort getNumberOfPosesIncluded (void) const
 Returns the number of simultaneous poses the vertex program can blend, for use in pose animation. More...
 
virtual bool getPassFogStates (void) const
 Returns whether a fragment program wants fog state to be passed through fixed pipeline low level API rendering calls (default true, subclasses can override) More...
 
virtual bool getPassSurfaceAndLightStates (void) const
 Returns whether a vertex program wants light and material states to be passed through fixed pipeline low level API rendering calls (default false, subclasses can override) More...
 
virtual bool getPassTransformStates (void) const
 Returns whether a vertex program wants transform state to be passed through fixed pipeline low level API rendering calls. More...
 
const StringgetSource (void) const
 Gets the assembler source for this program. More...
 
const StringgetSourceFile (void) const
 Gets the name of the file used as source for this program. More...
 
const StringgetSyntaxCode (void) const
 Gets the syntax code for this program e.g. More...
 
GpuProgramType getType (void) const
 Get the program type. More...
 
virtual bool hasCompileError (void) const
 Did this program encounter a compile error when loading? More...
 
virtual bool hasDefaultParameters (void) const
 Returns true if default parameters have been set up. More...
 
virtual bool isAdjacencyInfoRequired (void) const
 
virtual bool isMorphAnimationIncluded (void) const
 Returns whether a vertex program includes the required instructions to perform morph animation. More...
 
virtual bool isPoseAnimationIncluded (void) const
 Returns whether a vertex program includes the required instructions to perform pose animation. More...
 
virtual bool isSkeletalAnimationIncluded (void) const
 Returns whether a vertex program includes the required instructions to perform skeletal animation. More...
 
virtual bool isSupported (void) const
 Returns whether this program can be supported on the current renderer and hardware. More...
 
virtual bool isVertexTextureFetchRequired (void) const
 Returns whether this vertex program requires support for vertex texture fetch from the hardware. More...
 
virtual void resetCompileError (void)
 Reset a compile error if it occurred, allowing the load to be retried. More...
 
virtual void setAdjacencyInfoRequired (bool r)
 
virtual void setComputeGroupDimensions (Vector3 dimensions)
 Sets the number of process groups dispatched by this compute program. More...
 
void setManualNamedConstants (const GpuNamedConstants &namedConstants)
 Allows you to manually provide a set of named parameter mappings to a program which would not be able to derive named parameters itself. More...
 
void setManualNamedConstantsFile (const String &paramDefFile)
 Specifies the name of a file from which to load named parameters mapping for a program which would not be able to derive named parameters itself. More...
 
virtual void setMorphAnimationIncluded (bool included)
 Sets whether a vertex program includes the required instructions to perform morph animation. More...
 
virtual void setPoseAnimationIncluded (ushort poseCount)
 Sets whether a vertex program includes the required instructions to perform pose animation. More...
 
virtual void setSkeletalAnimationIncluded (bool included)
 Sets whether a vertex program includes the required instructions to perform skeletal animation. More...
 
void setSource (const String &source)
 Sets the source assembly for this program from an in-memory string. More...
 
void setSourceFile (const String &filename)
 Sets the filename of the source assembly for this program. More...
 
void setSyntaxCode (const String &syntax)
 Sets the syntax code for this program e.g. More...
 
void setType (GpuProgramType t)
 Set the program type (only valid before load) More...
 
virtual void setVertexTextureFetchRequired (bool r)
 Sets whether this vertex program requires support for vertex texture fetch from the hardware. More...
 
- Public Member Functions inherited from Ogre::Resource
 Resource (ResourceManager *creator, const String &name, ResourceHandle handle, const String &group, bool isManual=false, ManualResourceLoader *loader=0)
 Standard constructor. More...
 
virtual ~Resource ()
 Virtual destructor. More...
 
virtual void _dirtyState ()
 Manually mark the state of this resource as having been changed. More...
 
void _fireLoadingComplete (bool wasBackgroundLoaded)
 Firing of loading complete event. More...
 
void _firePreparingComplete (bool wasBackgroundLoaded)
 Firing of preparing complete event. More...
 
void _fireUnloadingComplete (void)
 Firing of unloading complete event. More...
 
void _notifyOrigin (const String &origin)
 Notify this resource of it's origin. More...
 
virtual void addListener (Listener *lis)
 Register a listener on this resource. More...
 
virtual void changeGroupOwnership (const String &newGroup)
 Change the resource group ownership of a Resource. More...
 
virtual void escalateLoading ()
 Escalates the loading of a background loaded resource. More...
 
ResourceManagergetCreator (void)
 Gets the manager which created this resource. More...
 
const StringgetGroup (void) const
 Gets the group which this resource is a member of. More...
 
ResourceHandle getHandle (void) const
 
LoadingState getLoadingState () const
 Returns the current loading state. More...
 
const StringgetName (void) const
 Gets resource name. More...
 
const StringgetOrigin (void) const
 Get the origin of this resource, e.g. More...
 
size_t getSize (void) const
 Retrieves info about the size of the resource. More...
 
virtual size_t getStateCount () const
 Returns the number of times this resource has changed state, which generally means the number of times it has been loaded. More...
 
bool isBackgroundLoaded (void) const
 Returns whether this Resource has been earmarked for background loading. More...
 
bool isLoaded (void) const
 Returns true if the Resource has been loaded, false otherwise. More...
 
bool isLoading () const
 Returns whether the resource is currently in the process of background loading. More...
 
bool isManuallyLoaded (void) const
 Is this resource manually loaded? More...
 
bool isPrepared (void) const
 Returns true if the Resource has been prepared, false otherwise. More...
 
bool isReloadable (void) const
 Returns true if the Resource is reloadable, false otherwise. More...
 
virtual void load (bool backgroundThread=false)
 Loads the resource, if it is not already. More...
 
virtual void prepare (bool backgroundThread=false)
 Prepares the resource for load, if it is not already. More...
 
virtual void reload (LoadingFlags flags=LF_DEFAULT)
 Reloads the resource, if it is already loaded. More...
 
virtual void removeListener (Listener *lis)
 Remove a listener on this resource. More...
 
void setBackgroundLoaded (bool bl)
 Tells the resource whether it is background loaded or not. More...
 
virtual void touch (void)
 'Touches' the resource to indicate it has been used. More...
 
virtual void unload (void)
 Unloads the resource; this is not permanent, the resource can be reloaded later if required. More...
 
- Public Member Functions inherited from Ogre::StringInterface
 StringInterface ()
 
virtual ~StringInterface ()
 Virtual destructor, see Effective C++. More...
 
void copyParametersTo (StringInterface *dest) const
 Method for copying this object's parameters to another object. More...
 
ParamDictionarygetParamDictionary (void)
 Retrieves the parameter dictionary for this class. More...
 
const ParamDictionarygetParamDictionary (void) const
 
String getParameter (const String &name) const
 Generic parameter retrieval method. More...
 
const ParameterListgetParameters (void) const
 Retrieves a list of parameters valid for this object. More...
 
bool setParameter (const String &name, const String &value)
 Generic parameter setting method. More...
 
void setParameterList (const NameValuePairList &paramList)
 Generic multiple parameter setting method. More...
 

Static Public Member Functions

static const String getProgramTypeName (GpuProgramType programType)
 
- Static Public Member Functions inherited from Ogre::StringInterface
static void cleanupDictionary ()
 Cleans up the static 'msDictionary' required to reset Ogre, otherwise the containers are left with invalid pointers, which will lead to a crash as soon as one of the ResourceManager implementers (e.g. More...
 

Additional Inherited Members

- Public Types inherited from Ogre::Resource
enum  LoadingFlags {
  LF_DEFAULT = 0, LF_INCLUDE_NON_RELOADABLE = 1, LF_ONLY_UNREFERENCED = 2, LF_ONLY_UNREFERENCED_INCLUDE_NON_RELOADABLE = 3,
  LF_PRESERVE_STATE = 4
}
 Enum that allow to choose subset of unloaded/reloaded resources and to adjust reloading behavior. More...
 
enum  LoadingState {
  LOADSTATE_UNLOADED, LOADSTATE_LOADING, LOADSTATE_LOADED, LOADSTATE_UNLOADING,
  LOADSTATE_PREPARED, LOADSTATE_PREPARING
}
 Enum identifying the loading state of the resource. More...
 

Detailed Description

Defines a program which runs on the GPU such as a vertex or fragment program.

Remarks
This class defines the low-level program in assembler code, the sort used to directly assemble into machine instructions for the GPU to execute. By nature, this means that the assembler source is rendersystem specific, which is why this is an abstract class - real instances are created through the RenderSystem. If you wish to use higher level shading languages like HLSL and Cg, you need to use the HighLevelGpuProgram class instead.

Constructor & Destructor Documentation

◆ GpuProgram()

Ogre::GpuProgram::GpuProgram ( ResourceManager creator,
const String name,
ResourceHandle  handle,
const String group,
bool  isManual = false,
ManualResourceLoader loader = 0 
)

◆ ~GpuProgram()

virtual Ogre::GpuProgram::~GpuProgram ( )
inlinevirtual

Member Function Documentation

◆ getProgramTypeName()

static const String Ogre::GpuProgram::getProgramTypeName ( GpuProgramType  programType)
static

◆ setSourceFile()

void Ogre::GpuProgram::setSourceFile ( const String filename)

Sets the filename of the source assembly for this program.

Remarks
Setting this will have no effect until you (re)load the program.

◆ setSource()

void Ogre::GpuProgram::setSource ( const String source)

Sets the source assembly for this program from an in-memory string.

Remarks
Setting this will have no effect until you (re)load the program.

◆ getSyntaxCode()

const String& Ogre::GpuProgram::getSyntaxCode ( void  ) const
inline

Gets the syntax code for this program e.g.

arbvp1, fp20, vs_1_1 etc

◆ setSyntaxCode()

void Ogre::GpuProgram::setSyntaxCode ( const String syntax)

Sets the syntax code for this program e.g.

arbvp1, fp20, vs_1_1 etc

◆ getSourceFile()

const String& Ogre::GpuProgram::getSourceFile ( void  ) const
inline

Gets the name of the file used as source for this program.

◆ getSource()

const String& Ogre::GpuProgram::getSource ( void  ) const
inline

Gets the assembler source for this program.

◆ setType()

void Ogre::GpuProgram::setType ( GpuProgramType  t)

Set the program type (only valid before load)

◆ getType()

GpuProgramType Ogre::GpuProgram::getType ( void  ) const
inline

Get the program type.

Referenced by Ogre::GLSLProgramCommon::isUsingShader().

◆ _getBindingDelegate()

virtual GpuProgram* Ogre::GpuProgram::_getBindingDelegate ( void  )
inlinevirtual

Returns the GpuProgram which should be bound to the pipeline.

Remarks
This method is simply to allow some subclasses of GpuProgram to delegate the program which is bound to the pipeline to a delegate, if required.

Reimplemented in Ogre::D3D11HLSLProgram, Ogre::UnifiedHighLevelGpuProgram, Ogre::HighLevelGpuProgram, Ogre::GLSLShaderCommon, and Ogre::CgProgram.

◆ isSupported()

virtual bool Ogre::GpuProgram::isSupported ( void  ) const
virtual

Returns whether this program can be supported on the current renderer and hardware.

Reimplemented in Ogre::D3D11HLSLProgram, Ogre::D3D9HLSLProgram, Ogre::CgProgram, and Ogre::UnifiedHighLevelGpuProgram.

◆ createParameters()

virtual GpuProgramParametersSharedPtr Ogre::GpuProgram::createParameters ( void  )
virtual

Creates a new parameters object compatible with this program definition.

Remarks
It is recommended that you use this method of creating parameters objects rather than going direct to GpuProgramManager, because this method will populate any implementation-specific extras (like named parameters) where they are appropriate.

Reimplemented in Ogre::D3D11HLSLProgram, Ogre::D3D9HLSLProgram, Ogre::UnifiedHighLevelGpuProgram, Ogre::HighLevelGpuProgram, Ogre::MetalProgram, Ogre::GLSLESProgram, and Ogre::CgProgram.

◆ setSkeletalAnimationIncluded()

virtual void Ogre::GpuProgram::setSkeletalAnimationIncluded ( bool  included)
inlinevirtual

Sets whether a vertex program includes the required instructions to perform skeletal animation.

Remarks
If this is set to true, OGRE will not blend the geometry according to skeletal animation, it will expect the vertex program to do it.

◆ isSkeletalAnimationIncluded()

virtual bool Ogre::GpuProgram::isSkeletalAnimationIncluded ( void  ) const
inlinevirtual

Returns whether a vertex program includes the required instructions to perform skeletal animation.

Remarks
If this returns true, OGRE will not blend the geometry according to skeletal animation, it will expect the vertex program to do it.

Reimplemented in Ogre::CgProgram, and Ogre::UnifiedHighLevelGpuProgram.

◆ setMorphAnimationIncluded()

virtual void Ogre::GpuProgram::setMorphAnimationIncluded ( bool  included)
inlinevirtual

Sets whether a vertex program includes the required instructions to perform morph animation.

Remarks
If this is set to true, OGRE will not blend the geometry according to morph animation, it will expect the vertex program to do it.

◆ setPoseAnimationIncluded()

virtual void Ogre::GpuProgram::setPoseAnimationIncluded ( ushort  poseCount)
inlinevirtual

Sets whether a vertex program includes the required instructions to perform pose animation.

Remarks
If this is set to true, OGRE will not blend the geometry according to pose animation, it will expect the vertex program to do it.
Parameters
poseCountThe number of simultaneous poses the program can blend

◆ isMorphAnimationIncluded()

virtual bool Ogre::GpuProgram::isMorphAnimationIncluded ( void  ) const
inlinevirtual

Returns whether a vertex program includes the required instructions to perform morph animation.

Remarks
If this returns true, OGRE will not blend the geometry according to morph animation, it will expect the vertex program to do it.

Reimplemented in Ogre::CgProgram, and Ogre::UnifiedHighLevelGpuProgram.

◆ isPoseAnimationIncluded()

virtual bool Ogre::GpuProgram::isPoseAnimationIncluded ( void  ) const
inlinevirtual

Returns whether a vertex program includes the required instructions to perform pose animation.

Remarks
If this returns true, OGRE will not blend the geometry according to pose animation, it will expect the vertex program to do it.

Reimplemented in Ogre::CgProgram, and Ogre::UnifiedHighLevelGpuProgram.

◆ getNumberOfPosesIncluded()

virtual ushort Ogre::GpuProgram::getNumberOfPosesIncluded ( void  ) const
inlinevirtual

Returns the number of simultaneous poses the vertex program can blend, for use in pose animation.

Reimplemented in Ogre::UnifiedHighLevelGpuProgram.

◆ setVertexTextureFetchRequired()

virtual void Ogre::GpuProgram::setVertexTextureFetchRequired ( bool  r)
inlinevirtual

Sets whether this vertex program requires support for vertex texture fetch from the hardware.

◆ isVertexTextureFetchRequired()

virtual bool Ogre::GpuProgram::isVertexTextureFetchRequired ( void  ) const
inlinevirtual

Returns whether this vertex program requires support for vertex texture fetch from the hardware.

Reimplemented in Ogre::CgProgram, and Ogre::UnifiedHighLevelGpuProgram.

◆ setAdjacencyInfoRequired()

virtual void Ogre::GpuProgram::setAdjacencyInfoRequired ( bool  r)
inlinevirtual
Deprecated:
use OT_DETAIL_ADJACENCY_BIT

◆ isAdjacencyInfoRequired()

virtual bool Ogre::GpuProgram::isAdjacencyInfoRequired ( void  ) const
inlinevirtual
Deprecated:
use OT_DETAIL_ADJACENCY_BIT

◆ setComputeGroupDimensions()

virtual void Ogre::GpuProgram::setComputeGroupDimensions ( Vector3  dimensions)
inlinevirtual

Sets the number of process groups dispatched by this compute program.

◆ getComputeGroupDimensions()

virtual Vector3 Ogre::GpuProgram::getComputeGroupDimensions ( void  ) const
inlinevirtual

Returns the number of process groups dispatched by this compute program.

◆ getDefaultParameters()

virtual const GpuProgramParametersPtr& Ogre::GpuProgram::getDefaultParameters ( void  )
virtual

Get a reference to the default parameters which are to be used for all uses of this program.

Remarks
A program can be set up with a list of default parameters, which can save time when using a program many times in a material with roughly the same settings. By retrieving the default parameters and populating it with the most used options, any new parameter objects created from this program afterwards will automatically include the default parameters; thus users of the program need only change the parameters which are unique to their own usage of the program.

Reimplemented in Ogre::CgProgram, and Ogre::UnifiedHighLevelGpuProgram.

◆ hasDefaultParameters()

virtual bool Ogre::GpuProgram::hasDefaultParameters ( void  ) const
inlinevirtual

Returns true if default parameters have been set up.

Reimplemented in Ogre::CgProgram, and Ogre::UnifiedHighLevelGpuProgram.

◆ getPassSurfaceAndLightStates()

virtual bool Ogre::GpuProgram::getPassSurfaceAndLightStates ( void  ) const
inlinevirtual

Returns whether a vertex program wants light and material states to be passed through fixed pipeline low level API rendering calls (default false, subclasses can override)

Remarks
Most vertex programs do not need this material information, however GLSL shaders can refer to this material and lighting state so enable this option

Reimplemented in Ogre::CgProgram, Ogre::UnifiedHighLevelGpuProgram, and Ogre::GLSL::GLSLProgram.

◆ getPassFogStates()

virtual bool Ogre::GpuProgram::getPassFogStates ( void  ) const
inlinevirtual

Returns whether a fragment program wants fog state to be passed through fixed pipeline low level API rendering calls (default true, subclasses can override)

Remarks
On DirectX, shader model 2 and earlier continues to have fixed-function fog applied to it, so fog state is still passed (you should disable fog on the pass if you want to perform fog in the shader). In OpenGL it is also common to be able to access the fixed-function fog state inside the shader.

Reimplemented in Ogre::CgProgram, Ogre::UnifiedHighLevelGpuProgram, and Ogre::GLSL::GLSLProgram.

◆ getPassTransformStates()

virtual bool Ogre::GpuProgram::getPassTransformStates ( void  ) const
inlinevirtual

Returns whether a vertex program wants transform state to be passed through fixed pipeline low level API rendering calls.

Remarks
Most vertex programs do not need fixed-function transform information, however GLSL shaders can refer to this state so enable this option

Reimplemented in Ogre::CgProgram, Ogre::UnifiedHighLevelGpuProgram, and Ogre::GLSL::GLSLProgram.

◆ getLanguage()

virtual const String& Ogre::GpuProgram::getLanguage ( void  ) const
virtual

Returns a string that specifies the language of the gpu programs as specified in a material script.

ie: asm, cg, hlsl, glsl

Reimplemented in Ogre::D3D11HLSLProgram, Ogre::D3D9HLSLProgram, Ogre::CgProgram, Ogre::UnifiedHighLevelGpuProgram, Ogre::MetalProgram, Ogre::GLSLESProgram, Ogre::GLSLESCgProgram, Ogre::GLSLShader, Ogre::GLSL::GLSLProgram, and Ogre::SPIRVShader.

◆ hasCompileError()

virtual bool Ogre::GpuProgram::hasCompileError ( void  ) const
inlinevirtual

Did this program encounter a compile error when loading?

Reimplemented in Ogre::CgProgram, and Ogre::UnifiedHighLevelGpuProgram.

◆ resetCompileError()

virtual void Ogre::GpuProgram::resetCompileError ( void  )
inlinevirtual

Reset a compile error if it occurred, allowing the load to be retried.

Reimplemented in Ogre::CgProgram, and Ogre::UnifiedHighLevelGpuProgram.

◆ setManualNamedConstants()

void Ogre::GpuProgram::setManualNamedConstants ( const GpuNamedConstants namedConstants)

Allows you to manually provide a set of named parameter mappings to a program which would not be able to derive named parameters itself.

Remarks
You may wish to use this if you have assembler programs that were compiled from a high-level source, and want the convenience of still being able to use the named parameters from the original high-level source.
See also
setManualNamedConstantsFile

◆ setManualNamedConstantsFile()

void Ogre::GpuProgram::setManualNamedConstantsFile ( const String paramDefFile)

Specifies the name of a file from which to load named parameters mapping for a program which would not be able to derive named parameters itself.

Remarks
You may wish to use this if you have assembler programs that were compiled from a high-level source, and want the convenience of still being able to use the named parameters from the original high-level source. This method will make a low-level program search in the resource group of the program for the named file from which to load parameter names from. The file must be in the format produced by GpuNamedConstants::save.

◆ getManualNamedConstantsFile()

const String& Ogre::GpuProgram::getManualNamedConstantsFile ( ) const
inline

Gets the name of a file from which to load named parameters mapping for a program which would not be able to derive named parameters itself.

◆ getConstantDefinitions()

virtual const GpuNamedConstants& Ogre::GpuProgram::getConstantDefinitions ( ) const
inlinevirtual

Get the full list of named constants.

Note
Only available if this parameters object has named parameters, which means either a high-level program which loads them, or a low-level program which has them specified manually.

Reimplemented in Ogre::HighLevelGpuProgram.

◆ calculateSize()

virtual size_t Ogre::GpuProgram::calculateSize ( void  ) const
virtual

Calculate the size of a resource; this will only be called after 'load'.

Reimplemented from Ogre::Resource.

Reimplemented in Ogre::HighLevelGpuProgram, and Ogre::UnifiedHighLevelGpuProgram.

◆ _getHash()

uint32 Ogre::GpuProgram::_getHash ( uint32  seed = 0) const

internal method to get the microcode cache id


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