Linked shader program on the GPU. More...

#include </var/dev/u3d/stable/Source/Urho3D/Graphics/OpenGL/OGLShaderProgram.h>

Inheritance diagram for Urho3D::ShaderProgram:

Collaboration diagram for Urho3D::ShaderProgram:

Public Member Functions
	ShaderProgram (Graphics graphics, ShaderVariation vertexShader, ShaderVariation *pixelShader)
	Construct.

	~ShaderProgram () override
	Destruct.

void	OnDeviceLost () override
	Mark the GPU resource destroyed on context destruction. More...

void	Release () override
	Release shader program. More...

bool	Link ()
	Link the shaders and examine the uniforms and samplers used. Return true if successful.

ShaderVariation *	GetVertexShader () const
	Return the vertex shader.

ShaderVariation *	GetPixelShader () const
	Return the pixel shader.

bool	HasParameter (StringHash param) const
	Return whether uses a shader parameter.

bool	HasTextureUnit (TextureUnit unit) const
	Return whether uses a texture unit.

const ShaderParameter *	GetParameter (StringHash param) const
	Return the info for a shader parameter, or null if does not exist.

const String &	GetLinkerOutput () const
	Return linker output.

const HashMap< Pair< unsigned char, unsigned char >, unsigned > &	GetVertexAttributes () const
	Return semantic to vertex attributes location mappings used by the shader.

unsigned	GetUsedVertexAttributes () const
	Return attribute location use bitmask.

const SharedPtr< ConstantBuffer > *	GetConstantBuffers () const
	Return all constant buffers.

bool	NeedParameterUpdate (ShaderParameterGroup group, const void *source)
	Check whether a shader parameter group needs update. Does not actually check whether parameters exist in the shaders.

void	ClearParameterSource (ShaderParameterGroup group)
	Clear a parameter source. Affects only the current shader program if appropriate.

Public Member Functions inherited from Urho3D::RefCounted
	RefCounted ()
	Construct. Allocate the reference count structure and set an initial self weak reference.

virtual	~RefCounted ()
	Destruct. Mark as expired and also delete the reference count structure if no outside weak references exist.

	RefCounted (const RefCounted &rhs)=delete
	Prevent copy construction.

RefCounted &	operator= (const RefCounted &rhs)=delete
	Prevent assignment.

void	AddRef ()

void	ReleaseRef ()

int	Refs () const

int	WeakRefs () const

RefCount *	RefCountPtr ()
	Return pointer to the reference count structure.

Public Member Functions inherited from Urho3D::GPUObject
	GPUObject (Graphics *graphics)
	Construct with graphics subsystem pointer.

virtual	~GPUObject ()
	Destruct. Remove from the Graphics.

virtual void	OnDeviceLost ()
	Mark the GPU resource destroyed on graphics context destruction. More...

virtual void	OnDeviceReset ()
	Recreate the GPU resource and restore data if applicable. More...

virtual void	Release ()
	Unconditionally release the GPU resource. More...

void	ClearDataLost ()
	Clear the data lost flag.

Graphics *	GetGraphics () const
	Return the graphics subsystem associated with this GPU object.

void *	GetGPUObject () const
	Return the object pointer. Applicable only on Direct3D.

unsigned	GetGPUObjectName () const
	Return the object name. Applicable only on OpenGL.

bool	IsDataLost () const

bool	HasPendingData () const
	Return whether has pending data assigned while graphics context was lost.

Static Public Member Functions
static void	ClearParameterSources ()
	Clear all parameter sources from all shader programs by incrementing the global parameter source framenumber.

static void	ClearGlobalParameterSource (ShaderParameterGroup group)
	Clear a global parameter source when constant buffers change.

Private Attributes
WeakPtr< ShaderVariation >	vertexShader_
	Vertex shader.

WeakPtr< ShaderVariation >	pixelShader_
	Pixel shader.

HashMap< StringHash, ShaderParameter >	shaderParameters_
	Shader parameters.

bool	useTextureUnits_ [MAX_TEXTURE_UNITS] {}
	Texture unit use.

HashMap< Pair< unsigned char, unsigned char >, unsigned >	vertexAttributes_
	Vertex attributes.

unsigned	usedVertexAttributes_ {}
	Used vertex attribute location bitmask.

SharedPtr< ConstantBuffer >	constantBuffers_ [MAX_SHADER_PARAMETER_GROUPS *2]
	Constant buffers by binding index.

const void *	parameterSources_ [MAX_SHADER_PARAMETER_GROUPS] {}
	Remembered shader parameter sources for individual uniform mode.

String	linkerOutput_
	Shader link error string.

unsigned	frameNumber_ {}
	Shader parameter source framenumber.

Static Private Attributes
static unsigned	globalFrameNumber = 0
	Global shader parameter source framenumber.

static const void *	globalParameterSources [MAX_SHADER_PARAMETER_GROUPS]
	Remembered global shader parameter sources for constant buffer mode.

Additional Inherited Members
Protected Attributes inherited from Urho3D::GPUObject
WeakPtr< Graphics >	graphics_
	Graphics subsystem.

GPUObjectHandle	object_ {}
	Object pointer or name.

bool	dataLost_ {}
	Data lost flag.

bool	dataPending_ {}
	Data pending flag.

Detailed Description

Linked shader program on the GPU.

Member Function Documentation

◆ OnDeviceLost()

void Urho3D::ShaderProgram::OnDeviceLost ( )

overridevirtual

Mark the GPU resource destroyed on context destruction.

Reimplemented from Urho3D::GPUObject.

Here is the call graph for this function:

◆ Release()

void Urho3D::ShaderProgram::Release ( )

overridevirtual

Release shader program.

Reimplemented from Urho3D::GPUObject.

Here is the call graph for this function:

Here is the caller graph for this function:

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

/var/dev/u3d/stable/Source/Urho3D/Graphics/OpenGL/OGLShaderProgram.h
/var/dev/u3d/stable/Source/Urho3D/Graphics/OpenGL/OGLShaderProgram.cpp

Public Member Functions

Static Public Member Functions

Private Attributes

Static Private Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ OnDeviceLost()

◆ Release()