Open CASCADE Technology  7.3.0
Protected Member Functions
OpenGl_ShaderManager::OpenGl_ShaderProgramFFP Class Reference

Fake OpenGL program for tracking FFP state in the way consistent to programmable pipeline. More...

#include <OpenGl_ShaderManager.hxx>

Inheritance diagram for OpenGl_ShaderManager::OpenGl_ShaderProgramFFP:
Inheritance graph
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Protected Member Functions

 OpenGl_ShaderProgramFFP ()
 
- Protected Member Functions inherited from OpenGl_ShaderProgram
bool Share ()
 Increments counter of users. Used by OpenGl_ShaderManager. More...
 
bool UnShare ()
 Decrements counter of users. Used by OpenGl_ShaderManager. More...
 

Additional Inherited Members

- Public Types inherited from Standard_Transient
typedef void base_type
 Returns a type descriptor about this object. More...
 
- Public Member Functions inherited from OpenGl_ShaderProgram
 OpenGl_ShaderProgram (const Handle< Graphic3d_ShaderProgram > &theProxy=NULL)
 Creates uninitialized shader program. More...
 
virtual ~OpenGl_ShaderProgram ()
 Releases resources of shader program. More...
 
Standard_Boolean Create (const Handle< OpenGl_Context > &theCtx)
 Creates new empty shader program of specified type. More...
 
virtual void Release (OpenGl_Context *theCtx) override
 Destroys shader program. More...
 
virtual Standard_Size EstimatedDataSize () const override
 Returns estimated GPU memory usage - cannot be easily estimated. More...
 
Standard_Boolean AttachShader (const Handle< OpenGl_Context > &theCtx, const Handle< OpenGl_ShaderObject > &theShader)
 Attaches shader object to the program object. More...
 
Standard_Boolean DetachShader (const Handle< OpenGl_Context > &theCtx, const Handle< OpenGl_ShaderObject > &theShader)
 Detaches shader object to the program object. More...
 
Standard_Boolean Initialize (const Handle< OpenGl_Context > &theCtx, const Graphic3d_ShaderObjectList &theShaders)
 Initializes program object with the list of shader objects. More...
 
Standard_Boolean Link (const Handle< OpenGl_Context > &theCtx)
 Links the program object. More...
 
Standard_Boolean FetchInfoLog (const Handle< OpenGl_Context > &theCtx, TCollection_AsciiString &theLog)
 Fetches information log of the last link operation. More...
 
Standard_Boolean ApplyVariables (const Handle< OpenGl_Context > &theCtx)
 Fetches uniform variables from proxy shader program. More...
 
bool IsValid () const
 
GLuint ProgramId () const
 
Standard_Boolean HasTessellationStage () const
 Return TRUE if program defines tessellation stage. More...
 
Standard_Integer NbLightsMax () const
 Return the length of array of light sources (THE_MAX_LIGHTS), to be used for initialization occLightSources (OpenGl_OCC_LIGHT_SOURCE_PARAMS). More...
 
Standard_Integer NbClipPlanesMax () const
 Return the length of array of clipping planes (THE_MAX_CLIP_PLANES), to be used for initialization occClipPlaneEquations (OpenGl_OCC_CLIP_PLANE_EQUATIONS). More...
 
Standard_Integer NbFragmentOutputs () const
 Return the length of array of Fragment Shader outputs (THE_NB_FRAG_OUTPUTS), to be used for initialization occFragColorArray/occFragColorN. More...
 
Standard_Boolean HasAlphaTest () const
 Return true if Fragment Shader should perform alpha test; FALSE by default. More...
 
Standard_Boolean HasWeightOitOutput () const
 Return true if Fragment Shader color should output the weighted OIT coverage; FALSE by default. More...
 
GLint GetUniformLocation (const Handle< OpenGl_Context > &theCtx, const GLchar *theName) const
 Returns location of the specific uniform variable. More...
 
GLint GetAttributeLocation (const Handle< OpenGl_Context > &theCtx, const GLchar *theName) const
 Returns index of the generic vertex attribute by variable name. More...
 
GLint GetStateLocation (const GLuint theVariable) const
 Returns location of the OCCT state uniform variable. More...
 
Standard_Boolean GetUniform (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, OpenGl_Vec4i &theValue) const
 Returns the value of the integer uniform variable. More...
 
Standard_Boolean GetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, OpenGl_Vec4i &theValue) const
 
Standard_Boolean GetUniform (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, OpenGl_Vec4 &theValue) const
 Returns the value of the float uniform variable. More...
 
Standard_Boolean GetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, OpenGl_Vec4 &theValue) const
 Returns the value of the float uniform variable. More...
 
Standard_Boolean GetAttribute (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, OpenGl_Vec4i &theValue) const
 Returns the integer vertex attribute. More...
 
Standard_Boolean GetAttribute (const Handle< OpenGl_Context > &theCtx, GLint theIndex, OpenGl_Vec4i &theValue) const
 Returns the integer vertex attribute. More...
 
Standard_Boolean GetAttribute (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, OpenGl_Vec4 &theValue) const
 Returns the float vertex attribute. More...
 
Standard_Boolean GetAttribute (const Handle< OpenGl_Context > &theCtx, GLint theIndex, OpenGl_Vec4 &theValue) const
 Returns the float vertex attribute. More...
 
Standard_Boolean SetAttributeName (const Handle< OpenGl_Context > &theCtx, GLint theIndex, const GLchar *theName)
 Wrapper for glBindAttribLocation() More...
 
Standard_Boolean SetAttribute (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, GLfloat theValue)
 Wrapper for glVertexAttrib1f() More...
 
Standard_Boolean SetAttribute (const Handle< OpenGl_Context > &theCtx, GLint theIndex, GLfloat theValue)
 Wrapper for glVertexAttrib1f() More...
 
Standard_Boolean SetAttribute (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, const OpenGl_Vec2 &theValue)
 Wrapper for glVertexAttrib2fv() More...
 
Standard_Boolean SetAttribute (const Handle< OpenGl_Context > &theCtx, GLint theIndex, const OpenGl_Vec2 &theValue)
 Wrapper for glVertexAttrib2fv() More...
 
Standard_Boolean SetAttribute (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, const OpenGl_Vec3 &theValue)
 Wrapper for glVertexAttrib3fv() More...
 
Standard_Boolean SetAttribute (const Handle< OpenGl_Context > &theCtx, GLint theIndex, const OpenGl_Vec3 &theValue)
 Wrapper for glVertexAttrib3fv() More...
 
Standard_Boolean SetAttribute (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, const OpenGl_Vec4 &theValue)
 Wrapper for glVertexAttrib4fv() More...
 
Standard_Boolean SetAttribute (const Handle< OpenGl_Context > &theCtx, GLint theIndex, const OpenGl_Vec4 &theValue)
 Wrapper for glVertexAttrib4fv() More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, GLint theValue)
 Specifies the value of the integer uniform variable. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, GLint theValue)
 Specifies the value of the integer uniform variable. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, const OpenGl_Vec2i &theValue)
 Specifies the value of the integer uniform 2D vector. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, const OpenGl_Vec2i &theValue)
 Specifies the value of the integer uniform 2D vector. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, const OpenGl_Vec3i &theValue)
 Specifies the value of the integer uniform 3D vector. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, const OpenGl_Vec3i &theValue)
 Specifies the value of the integer uniform 3D vector. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, const OpenGl_Vec4i &theValue)
 Specifies the value of the integer uniform 4D vector. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, const OpenGl_Vec4i &theValue)
 Specifies the value of the integer uniform 4D vector. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, const OpenGl_Vec2u &theValue)
 Specifies the value of the unsigned integer uniform 2D vector (uvec2). More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, const OpenGl_Vec2u &theValue)
 Specifies the value of the unsigned integer uniform 2D vector (uvec2). More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, const GLsizei theCount, const OpenGl_Vec2u *theValue)
 Specifies the value of the uvec2 uniform array. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, const GLsizei theCount, const OpenGl_Vec2u *theValue)
 Specifies the value of the uvec2 uniform array. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, GLfloat theValue)
 Specifies the value of the float uniform variable. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, GLfloat theValue)
 Specifies the value of the float uniform variable. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, const OpenGl_Vec2 &theValue)
 Specifies the value of the float uniform 2D vector. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, const OpenGl_Vec2 &theValue)
 Specifies the value of the float uniform 2D vector. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, const OpenGl_Vec3 &theValue)
 Specifies the value of the float uniform 3D vector. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, const OpenGl_Vec3 &theValue)
 Specifies the value of the float uniform 3D vector. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, const OpenGl_Vec4 &theValue)
 Specifies the value of the float uniform 4D vector. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, const OpenGl_Vec4 &theValue)
 Specifies the value of the float uniform 4D vector. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, const OpenGl_Mat4 &theValue, GLboolean theTranspose=GL_FALSE)
 Specifies the value of the float uniform 4x4 matrix. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, const OpenGl_Mat4 &theValue, GLboolean theTranspose=GL_FALSE)
 Specifies the value of the float uniform 4x4 matrix. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, const OpenGl_Matrix &theValue, GLboolean theTranspose=GL_FALSE)
 Specifies the value of the float uniform 4x4 matrix. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, const OpenGl_Matrix &theValue, GLboolean theTranspose=GL_FALSE)
 Specifies the value of the float uniform 4x4 matrix. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, GLuint theCount, const Standard_ShortReal *theData)
 Specifies the value of the float uniform array. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, GLuint theCount, const OpenGl_Vec2 *theData)
 Specifies the value of the float2 uniform array. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, GLuint theCount, const OpenGl_Vec3 *theData)
 Specifies the value of the float3 uniform array. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, GLuint theCount, const OpenGl_Vec4 *theData)
 Specifies the value of the float4 uniform array. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, GLuint theCount, const Standard_Integer *theData)
 Specifies the value of the integer uniform array. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, GLuint theCount, const OpenGl_Vec2i *theData)
 Specifies the value of the int2 uniform array. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, GLuint theCount, const OpenGl_Vec3i *theData)
 Specifies the value of the int3 uniform array. More...
 
Standard_Boolean SetUniform (const Handle< OpenGl_Context > &theCtx, GLint theLocation, GLuint theCount, const OpenGl_Vec4i *theData)
 Specifies the value of the int4 uniform array. More...
 
Standard_Boolean SetSampler (const Handle< OpenGl_Context > &theCtx, const GLchar *theName, const Graphic3d_TextureUnit theTextureUnit)
 Specifies the value of the sampler uniform variable. More...
 
Standard_Boolean SetSampler (const Handle< OpenGl_Context > &theCtx, GLint theLocation, const Graphic3d_TextureUnit theTextureUnit)
 Specifies the value of the sampler uniform variable. More...
 
- Public Member Functions inherited from OpenGl_NamedResource
 OpenGl_NamedResource (const TCollection_AsciiString &theId)
 Empty constructor. More...
 
const TCollection_AsciiStringResourceId () const
 Return resource name. More...
 
- Public Member Functions inherited from OpenGl_Resource
 OpenGl_Resource ()
 Empty constructor. More...
 
virtual ~OpenGl_Resource ()
 Destructor. Inheritors should call Clean (NULL) within it. More...
 
- Public Member Functions inherited from Standard_Transient
 Standard_Transient ()
 Empty constructor. More...
 
 Standard_Transient (const Standard_Transient &)
 Copy constructor – does nothing. More...
 
Standard_Transientoperator= (const Standard_Transient &)
 Assignment operator, needed to avoid copying reference counter. More...
 
virtual ~Standard_Transient ()
 Destructor must be virtual. More...
 
virtual void Delete () const
 Memory deallocator for transient classes. More...
 
virtual const opencascade::handle< Standard_Type > & DynamicType () const
 Returns a type descriptor about this object. More...
 
Standard_Boolean IsInstance (const opencascade::handle< Standard_Type > &theType) const
 Returns a true value if this is an instance of Type. More...
 
Standard_Boolean IsInstance (const Standard_CString theTypeName) const
 Returns a true value if this is an instance of TypeName. More...
 
Standard_Boolean IsKind (const opencascade::handle< Standard_Type > &theType) const
 Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...
 
Standard_Boolean IsKind (const Standard_CString theTypeName) const
 Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...
 
Standard_TransientThis () const
 Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero. More...
 
Standard_Integer GetRefCount () const
 Get the reference counter of this object. More...
 
void IncrementRefCounter () const
 Increments the reference counter of this object. More...
 
Standard_Integer DecrementRefCounter () const
 Decrements the reference counter of this object; returns the decremented value. More...
 
- Static Public Member Functions inherited from Standard_Transient
static const char * get_type_name ()
 Returns a type descriptor about this object. More...
 
static const opencascade::handle< Standard_Type > & get_type_descriptor ()
 Returns type descriptor of Standard_Transient class. More...
 
- Static Public Attributes inherited from OpenGl_ShaderProgram
static const GLuint NO_PROGRAM = 0
 Non-valid shader name. More...
 
static const GLint INVALID_LOCATION = -1
 Invalid location of uniform/attribute variable. More...
 
static Standard_CString PredefinedKeywords [OpenGl_OCCT_NUMBER_OF_STATE_VARIABLES]
 List of pre-defined OCCT state uniform variables. More...
 
- Protected Attributes inherited from OpenGl_ShaderProgram
GLuint myProgramID
 Handle of OpenGL shader program. More...
 
OpenGl_ShaderList myShaderObjects
 List of attached shader objects. More...
 
Handle< Graphic3d_ShaderProgrammyProxy
 Proxy shader program (from application layer) More...
 
Standard_Integer myShareCount
 program users count, initialized with 1 (already shared by one user) More...
 
Standard_Integer myNbLightsMax
 length of array of light sources (THE_MAX_LIGHTS) More...
 
Standard_Integer myNbClipPlanesMax
 length of array of clipping planes (THE_MAX_CLIP_PLANES) More...
 
Standard_Integer myNbFragOutputs
 length of array of Fragment Shader outputs (THE_NB_FRAG_OUTPUTS) More...
 
Standard_Boolean myHasAlphaTest
 flag indicating that Fragment Shader should perform alpha-test More...
 
Standard_Boolean myHasWeightOitOutput
 flag indicating that Fragment Shader includes weighted OIT coverage More...
 
Standard_Boolean myHasTessShader
 flag indicating that program defines tessellation stage More...
 
Standard_Size myCurrentState [OpenGl_UniformStateType_NB]
 defines last modification for variables of each state type More...
 
GLint myStateLocations [OpenGl_OCCT_NUMBER_OF_STATE_VARIABLES]
 Stores locations of OCCT state uniform variables. More...
 
- Protected Attributes inherited from OpenGl_NamedResource
TCollection_AsciiString myResourceId
 resource name More...
 
- Static Protected Attributes inherited from OpenGl_ShaderProgram
static OpenGl_VariableSetterSelector mySetterSelector
 

Detailed Description

Fake OpenGL program for tracking FFP state in the way consistent to programmable pipeline.

Constructor & Destructor Documentation

◆ OpenGl_ShaderProgramFFP()

OpenGl_ShaderManager::OpenGl_ShaderProgramFFP::OpenGl_ShaderProgramFFP ( )
inlineprotected

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