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From Mike Weiblen, futher work on Uniform array support.

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This commit is contained in:
Robert Osfield
2006-05-16 21:00:45 +00:00
parent 90fc234cf1
commit 690aeea7e4
2 changed files with 364 additions and 178 deletions
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55
include/osg/Uniform
View File

@@ -11,7 +11,7 @@
*/
/* file: include/osg/Uniform
* author: Mike Weiblen 2006-05-14
* author: Mike Weiblen 2006-05-15
*/
#ifndef OSG_UNIFORM
@@ -187,20 +187,20 @@ class OSG_EXPORT Uniform : public Object
/** Set the name of the glUniform, ensuring it is only set once.*/
void setName( const std::string& name );
/** Set the length of a uniform array, ensuring it is only set once.*/
/** Set the length of a uniform, ensuring it is only set once (1==scalar)*/
void setNumElements( unsigned int numElements );
/** Get the number of GLSL elements of the osg::Uniform (>1 == array) */
/** Get the number of GLSL elements of the osg::Uniform (1==scalar) */
unsigned int getNumElements() const { return _numElements; }
/** Get the number of elements required for the internal scalar data array.
/** Get the number of elements required for the internal data array.
* Returns 0 if the osg::Uniform is not properly configured. */
unsigned int getInternalArrayNumElements() const;
/** Return the name of a Type enum as string. */
static const char* getTypename( Type t );
/** Return the the number of scalar components for a GLSL type. */
/** Return the the number of components for a GLSL type. */
static int getTypeNumComponents( Type t );
/** Return the Type enum of a Uniform typename string */
@@ -209,10 +209,10 @@ class OSG_EXPORT Uniform : public Object
/** Return the GL API type corresponding to a GLSL type */
static Type getGlApiType( Type t );
/** Return the internal scalar data array type corresponding to a GLSL type */
/** Return the internal data array type corresponding to a GLSL type */
static GLenum getInternalArrayType( Type t );
/** convenient single-element constructors w/ assignment */
/** convenient scalar (non-array) constructors w/ assignment */
explicit Uniform( const char* name, float f );
explicit Uniform( const char* name, int i );
explicit Uniform( const char* name, bool b );
@@ -266,7 +266,7 @@ class OSG_EXPORT Uniform : public Object
inline unsigned int getNumParents() const { return _parents.size(); }
/** convenient single-element value assignment; may only be used w/ Uniforms where isScalar()==TRUE */
/** convenient scalar (non-array) value assignment */
bool set( float f );
bool set( int i );
bool set( bool b );
@@ -284,7 +284,7 @@ class OSG_EXPORT Uniform : public Object
bool set( bool b0, bool b1, bool b2 );
bool set( bool b0, bool b1, bool b2, bool b3 );
/** convenient single-element value query; may only be used w/ Uniforms where isScalar()==TRUE */
/** convenient scalar (non-array) value query */
bool get( float& f ) const;
bool get( int& i ) const;
bool get( bool& b ) const;
@@ -304,9 +304,39 @@ class OSG_EXPORT Uniform : public Object
/** value assignment for array uniforms */
bool setElement( unsigned int index, float f );
bool setElement( unsigned int index, int i );
bool setElement( unsigned int index, bool b );
bool setElement( unsigned int index, const osg::Vec2& v2 );
bool setElement( unsigned int index, const osg::Vec3& v3 );
bool setElement( unsigned int index, const osg::Vec4& v4 );
bool setElement( unsigned int index, const osg::Matrix2& m2 );
bool setElement( unsigned int index, const osg::Matrix3& m3 );
bool setElement( unsigned int index, const osg::Matrixf& m4 );
bool setElement( unsigned int index, const osg::Matrixd& m4 );
bool setElement( unsigned int index, int i0, int i1 );
bool setElement( unsigned int index, int i0, int i1, int i2 );
bool setElement( unsigned int index, int i0, int i1, int i2, int i3 );
bool setElement( unsigned int index, bool b0, bool b1 );
bool setElement( unsigned int index, bool b0, bool b1, bool b2 );
bool setElement( unsigned int index, bool b0, bool b1, bool b2, bool b3 );
/** value query for array uniforms */
bool getElement( unsigned int index, float& f ) const;
bool getElement( unsigned int index, int& i ) const;
bool getElement( unsigned int index, bool& b ) const;
bool getElement( unsigned int index, osg::Vec2& v2 ) const;
bool getElement( unsigned int index, osg::Vec3& v3 ) const;
bool getElement( unsigned int index, osg::Vec4& v4 ) const;
bool getElement( unsigned int index, osg::Matrix2& m2 ) const;
bool getElement( unsigned int index, osg::Matrix3& m3 ) const;
bool getElement( unsigned int index, osg::Matrixf& m4 ) const;
bool getElement( unsigned int index, osg::Matrixd& m4 ) const;
bool getElement( unsigned int index, int& i0, int& i1 ) const;
bool getElement( unsigned int index, int& i0, int& i1, int& i2 ) const;
bool getElement( unsigned int index, int& i0, int& i1, int& i2, int& i3 ) const;
bool getElement( unsigned int index, bool& b0, bool& b1 ) const;
bool getElement( unsigned int index, bool& b0, bool& b1, bool& b2 ) const;
bool getElement( unsigned int index, bool& b0, bool& b1, bool& b2, bool& b3 ) const;
struct Callback : public virtual osg::Object
@@ -341,16 +371,19 @@ class OSG_EXPORT Uniform : public Object
const Callback* getEventCallback() const { return _eventCallback.get(); }
/** Increment the modified count on the Uniform so Programs watching it know it update themselves.
* note: autotomatically called by Uniform::set(*);
* you must call if modify a data array directly. */
* NOTE: autotomatically called during osg::Uniform::set*();
* you must call if modifying the internal data array directly. */
inline void dirty() { ++_modifiedCount; }
/** Set the internal data array for a osg::Uniform */
bool setArray( FloatArray* array );
bool setArray( IntArray* array );
/** Get the internal data array for a float osg::Uniform. */
FloatArray* getFloatArray() { return _floatArray.get(); }
const FloatArray* getFloatArray() const { return _floatArray.get(); }
/** Get the internal data array for an int osg::Uniform. */
IntArray* getIntArray() { return _intArray.get(); }
const IntArray* getIntArray() const { return _intArray.get(); }

487
src/osg/Uniform.cpp
View File

@@ -11,7 +11,7 @@
*/
/* file: src/osg/Uniform.cpp
* author: Mike Weiblen 2006-05-14
* author: Mike Weiblen 2006-05-15
*/
#include <osg/Notify>
@@ -537,170 +537,103 @@ Uniform::Uniform( const char* name, bool b0, bool b1, bool b2, bool b3 ) :
///////////////////////////////////////////////////////////////////////////
// Value assignment for single-element (ie: non-array) uniforms.
// (For backwards compatability, if not already configured, set the
// Uniform's _numElements=1)
bool Uniform::set( float f )
{
if( getNumElements() == 0 ) setNumElements(1);
if( ! (isScalar() && isCompatibleType(FLOAT)) ) return false;
(*_floatArray)[0] = f;
dirty();
return true;
return isScalar() ? setElement(0,f) : false;
}
bool Uniform::set( const osg::Vec2& v2 )
{
if( getNumElements() == 0 ) setNumElements(1);
if( ! (isScalar() && isCompatibleType(FLOAT_VEC2)) ) return false;
(*_floatArray)[0] = v2.x();
(*_floatArray)[1] = v2.y();
dirty();
return true;
return isScalar() ? setElement(0,v2) : false;
}
bool Uniform::set( const osg::Vec3& v3 )
{
if( getNumElements() == 0 ) setNumElements(1);
if( ! (isScalar() && isCompatibleType(FLOAT_VEC3)) ) return false;
(*_floatArray)[0] = v3.x();
(*_floatArray)[1] = v3.y();
(*_floatArray)[2] = v3.z();
dirty();
return true;
return isScalar() ? setElement(0,v3) : false;
}
bool Uniform::set( const osg::Vec4& v4 )
{
if( getNumElements() == 0 ) setNumElements(1);
if( ! (isScalar() && isCompatibleType(FLOAT_VEC4)) ) return false;
(*_floatArray)[0] = v4.x();
(*_floatArray)[1] = v4.y();
(*_floatArray)[2] = v4.z();
(*_floatArray)[3] = v4.w();
dirty();
return true;
return isScalar() ? setElement(0,v4) : false;
}
bool Uniform::set( const osg::Matrix2& m2 )
{
if( getNumElements() == 0 ) setNumElements(1);
if( ! (isScalar() && isCompatibleType(FLOAT_MAT2)) ) return false;
for( int i = 0; i < 4; ++i ) (*_floatArray)[i] = m2[i];
dirty();
return true;
return isScalar() ? setElement(0,m2) : false;
}
bool Uniform::set( const osg::Matrix3& m3 )
{
if( getNumElements() == 0 ) setNumElements(1);
if( ! (isScalar() && isCompatibleType(FLOAT_MAT3)) ) return false;
for( int i = 0; i < 9; ++i ) (*_floatArray)[i] = m3[i];
dirty();
return true;
return isScalar() ? setElement(0,m3) : false;
}
bool Uniform::set( const osg::Matrixf& m4 )
{
if( getNumElements() == 0 ) setNumElements(1);
if( ! (isScalar() && isCompatibleType(FLOAT_MAT4)) ) return false;
const Matrixf::value_type* p = m4.ptr();
for( int i = 0; i < 16; ++i ) (*_floatArray)[i] = p[i];
dirty();
return true;
return isScalar() ? setElement(0,m4) : false;
}
bool Uniform::set( const osg::Matrixd& m4 )
{
if( getNumElements() == 0 ) setNumElements(1);
if( ! (isScalar() && isCompatibleType(FLOAT_MAT4)) ) return false;
const Matrixd::value_type* p = m4.ptr();
for( int i = 0; i < 16; ++i ) (*_floatArray)[i] = static_cast<float>(p[i]);
dirty();
return true;
return isScalar() ? setElement(0,m4) : false;
}
bool Uniform::set( int i )
{
if( getNumElements() == 0 ) setNumElements(1);
if( ! (isScalar() && isCompatibleType(INT)) ) return false;
(*_intArray)[0] = i;
dirty();
return true;
return isScalar() ? setElement(0,i) : false;
}
bool Uniform::set( int i0, int i1 )
{
if( getNumElements() == 0 ) setNumElements(1);
if( ! (isScalar() && isCompatibleType(INT_VEC2)) ) return false;
(*_intArray)[0] = i0;
(*_intArray)[1] = i1;
dirty();
return true;
return isScalar() ? setElement(0,i0,i1) : false;
}
bool Uniform::set( int i0, int i1, int i2 )
{
if( getNumElements() == 0 ) setNumElements(1);
if( ! (isScalar() && isCompatibleType(INT_VEC3)) ) return false;
(*_intArray)[0] = i0;
(*_intArray)[1] = i1;
(*_intArray)[2] = i2;
dirty();
return true;
return isScalar() ? setElement(0,i0,i1,i2) : false;
}
bool Uniform::set( int i0, int i1, int i2, int i3 )
{
if( getNumElements() == 0 ) setNumElements(1);
if( ! (isScalar() && isCompatibleType(INT_VEC4)) ) return false;
(*_intArray)[0] = i0;
(*_intArray)[1] = i1;
(*_intArray)[2] = i2;
(*_intArray)[3] = i3;
dirty();
return true;
return isScalar() ? setElement(0,i0,i1,i2,i3) : false;
}
bool Uniform::set( bool b )
{
if( getNumElements() == 0 ) setNumElements(1);
if( ! (isScalar() && isCompatibleType(BOOL)) ) return false;
(*_intArray)[0] = b;
dirty();
return true;
return isScalar() ? setElement(0,b) : false;
}
bool Uniform::set( bool b0, bool b1 )
{
if( getNumElements() == 0 ) setNumElements(1);
if( ! (isScalar() && isCompatibleType(BOOL_VEC2)) ) return false;
(*_intArray)[0] = b0;
(*_intArray)[1] = b1;
dirty();
return true;
return isScalar() ? setElement(0,b0,b1) : false;
}
bool Uniform::set( bool b0, bool b1, bool b2 )
{
if( getNumElements() == 0 ) setNumElements(1);
if( ! (isScalar() && isCompatibleType(BOOL_VEC3)) ) return false;
(*_intArray)[0] = b0;
(*_intArray)[1] = b1;
(*_intArray)[2] = b2;
dirty();
return true;
return isScalar() ? setElement(0,b0,b1,b2) : false;
}
bool Uniform::set( bool b0, bool b1, bool b2, bool b3 )
{
if( getNumElements() == 0 ) setNumElements(1);
if( ! (isScalar() && isCompatibleType(BOOL_VEC4)) ) return false;
(*_intArray)[0] = b0;
(*_intArray)[1] = b1;
(*_intArray)[2] = b2;
(*_intArray)[3] = b3;
dirty();
return true;
return isScalar() ? setElement(0,b0,b1,b2,b3) : false;
}
///////////////////////////////////////////////////////////////////////////
@@ -708,143 +641,92 @@ bool Uniform::set( bool b0, bool b1, bool b2, bool b3 )
bool Uniform::get( float& f ) const
{
if( ! (isScalar() && isCompatibleType(FLOAT)) ) return false;
f = (*_floatArray)[0];
return true;
return isScalar() ? getElement(0,f) : false;
}
bool Uniform::get( osg::Vec2& v2 ) const
{
if( ! (isScalar() && isCompatibleType(FLOAT_VEC2)) ) return false;
v2.x() = (*_floatArray)[0];
v2.y() = (*_floatArray)[1];
return true;
return isScalar() ? getElement(0,v2) : false;
}
bool Uniform::get( osg::Vec3& v3 ) const
{
if( ! (isScalar() && isCompatibleType(FLOAT_VEC3)) ) return false;
v3.x() = (*_floatArray)[0];
v3.y() = (*_floatArray)[1];
v3.z() = (*_floatArray)[2];
return true;
return isScalar() ? getElement(0,v3) : false;
}
bool Uniform::get( osg::Vec4& v4 ) const
{
if( ! (isScalar() && isCompatibleType(FLOAT_VEC4)) ) return false;
v4.x() = (*_floatArray)[0];
v4.y() = (*_floatArray)[1];
v4.z() = (*_floatArray)[2];
v4.w() = (*_floatArray)[3];
return true;
return isScalar() ? getElement(0,v4) : false;
}
bool Uniform::get( osg::Matrix2& m2 ) const
{
if( ! (isScalar() && isCompatibleType(FLOAT_MAT2)) ) return false;
m2.set( &_floatArray->front() );
return true;
return isScalar() ? getElement(0,m2) : false;
}
bool Uniform::get( osg::Matrix3& m3 ) const
{
if( ! (isScalar() && isCompatibleType(FLOAT_MAT3)) ) return false;
m3.set( &_floatArray->front() );
return true;
return isScalar() ? getElement(0,m3) : false;
}
bool Uniform::get( osg::Matrixf& m4 ) const
{
if( ! (isScalar() && isCompatibleType(FLOAT_MAT4)) ) return false;
m4.set( &_floatArray->front() );
return true;
return isScalar() ? getElement(0,m4) : false;
}
bool Uniform::get( osg::Matrixd& m4 ) const
{
if( ! (isScalar() && isCompatibleType(FLOAT_MAT4)) ) return false;
m4.set( &_floatArray->front() );
return true;
return isScalar() ? getElement(0,m4) : false;
}
bool Uniform::get( int& i ) const
{
if( ! (isScalar() && isCompatibleType(INT)) ) return false;
i = (*_intArray)[0];
return true;
return isScalar() ? getElement(0,i) : false;
}
bool Uniform::get( int& i0, int& i1 ) const
{
if( ! (isScalar() && isCompatibleType(INT_VEC2)) ) return false;
i0 = (*_intArray)[0];
i1 = (*_intArray)[1];
return true;
return isScalar() ? getElement(0,i0,i1) : false;
}
bool Uniform::get( int& i0, int& i1, int& i2 ) const
{
if( ! (isScalar() && isCompatibleType(INT_VEC3)) ) return false;
i0 = (*_intArray)[0];
i1 = (*_intArray)[1];
i2 = (*_intArray)[2];
return true;
return isScalar() ? getElement(0,i0,i1,i2) : false;
}
bool Uniform::get( int& i0, int& i1, int& i2, int& i3 ) const
{
if( ! (isScalar() && isCompatibleType(INT_VEC4)) ) return false;
i0 = (*_intArray)[0];
i1 = (*_intArray)[1];
i2 = (*_intArray)[2];
i3 = (*_intArray)[3];
return true;
return isScalar() ? getElement(0,i0,i1,i2,i3) : false;
}
bool Uniform::get( bool& b ) const
{
if( ! (isScalar() && isCompatibleType(BOOL)) ) return false;
b = ((*_intArray)[0] != 0);
return true;
return isScalar() ? getElement(0,b) : false;
}
bool Uniform::get( bool& b0, bool& b1 ) const
{
if( ! (isScalar() && isCompatibleType(BOOL_VEC2)) ) return false;
b0 = ((*_intArray)[0] != 0);
b1 = ((*_intArray)[1] != 0);
return true;
return isScalar() ? getElement(0,b0,b1) : false;
}
bool Uniform::get( bool& b0, bool& b1, bool& b2 ) const
{
if( ! (isScalar() && isCompatibleType(BOOL_VEC3)) ) return false;
b0 = ((*_intArray)[0] != 0);
b1 = ((*_intArray)[1] != 0);
b2 = ((*_intArray)[2] != 0);
return true;
return isScalar() ? getElement(0,b0,b1,b2) : false;
}
bool Uniform::get( bool& b0, bool& b1, bool& b2, bool& b3 ) const
{
if( ! (isScalar() && isCompatibleType(BOOL_VEC4)) ) return false;
b0 = ((*_intArray)[0] != 0);
b1 = ((*_intArray)[1] != 0);
b2 = ((*_intArray)[2] != 0);
b3 = ((*_intArray)[3] != 0);
return true;
return isScalar() ? getElement(0,b0,b1,b2,b3) : false;
}
///////////////////////////////////////////////////////////////////////////
// Value assignment for array uniforms.
// TODO just a few of all the type variations are implemented so far
bool Uniform::setElement( unsigned int index, float f )
{
if( index>=getNumElements() || !isCompatibleType(FLOAT) ) return false;
int i = index * getTypeNumComponents(getType());
(*_floatArray)[i] = f;
unsigned int j = index * getTypeNumComponents(getType());
(*_floatArray)[j] = f;
dirty();
return true;
}
@@ -852,9 +734,9 @@ bool Uniform::setElement( unsigned int index, float f )
bool Uniform::setElement( unsigned int index, const osg::Vec2& v2 )
{
if( index>=getNumElements() || !isCompatibleType(FLOAT_VEC2) ) return false;
int i = index * getTypeNumComponents(getType());
(*_floatArray)[i] = v2.x();
(*_floatArray)[i+1] = v2.y();
unsigned int j = index * getTypeNumComponents(getType());
(*_floatArray)[j] = v2.x();
(*_floatArray)[j+1] = v2.y();
dirty();
return true;
}
@@ -862,10 +744,10 @@ bool Uniform::setElement( unsigned int index, const osg::Vec2& v2 )
bool Uniform::setElement( unsigned int index, const osg::Vec3& v3 )
{
if( index>=getNumElements() || !isCompatibleType(FLOAT_VEC3) ) return false;
int i = index * getTypeNumComponents(getType());
(*_floatArray)[i] = v3.x();
(*_floatArray)[i+1] = v3.y();
(*_floatArray)[i+2] = v3.z();
unsigned int j = index * getTypeNumComponents(getType());
(*_floatArray)[j] = v3.x();
(*_floatArray)[j+1] = v3.y();
(*_floatArray)[j+2] = v3.z();
dirty();
return true;
}
@@ -873,15 +755,286 @@ bool Uniform::setElement( unsigned int index, const osg::Vec3& v3 )
bool Uniform::setElement( unsigned int index, const osg::Vec4& v4 )
{
if( index>=getNumElements() || !isCompatibleType(FLOAT_VEC4) ) return false;
int i = index * getTypeNumComponents(getType());
(*_floatArray)[i] = v4.x();
(*_floatArray)[i+1] = v4.y();
(*_floatArray)[i+2] = v4.z();
(*_floatArray)[i+3] = v4.w();
unsigned int j = index * getTypeNumComponents(getType());
(*_floatArray)[j] = v4.x();
(*_floatArray)[j+1] = v4.y();
(*_floatArray)[j+2] = v4.z();
(*_floatArray)[j+3] = v4.w();
dirty();
return true;
}
bool Uniform::setElement( unsigned int index, const osg::Matrix2& m2 )
{
if( index>=getNumElements() || !isCompatibleType(FLOAT_MAT2) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
for( int i = 0; i < 4; ++i ) (*_floatArray)[j+i] = m2[i];
dirty();
return true;
}
bool Uniform::setElement( unsigned int index, const osg::Matrix3& m3 )
{
if( index>=getNumElements() || !isCompatibleType(FLOAT_MAT3) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
for( int i = 0; i < 9; ++i ) (*_floatArray)[j+i] = m3[i];
dirty();
return true;
}
bool Uniform::setElement( unsigned int index, const osg::Matrixf& m4 )
{
if( index>=getNumElements() || !isCompatibleType(FLOAT_MAT4) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
const Matrixf::value_type* p = m4.ptr();
for( int i = 0; i < 16; ++i ) (*_floatArray)[j+i] = p[i];
dirty();
return true;
}
bool Uniform::setElement( unsigned int index, const osg::Matrixd& m4 )
{
if( index>=getNumElements() || !isCompatibleType(FLOAT_MAT4) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
const Matrixd::value_type* p = m4.ptr();
for( int i = 0; i < 16; ++i ) (*_floatArray)[j+i] = static_cast<float>(p[i]);
dirty();
return true;
}
bool Uniform::setElement( unsigned int index, int i )
{
if( index>=getNumElements() || !isCompatibleType(INT) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
(*_intArray)[j] = i;
dirty();
return true;
}
bool Uniform::setElement( unsigned int index, int i0, int i1 )
{
if( index>=getNumElements() || !isCompatibleType(INT_VEC2) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
(*_intArray)[j] = i0;
(*_intArray)[j+1] = i1;
dirty();
return true;
}
bool Uniform::setElement( unsigned int index, int i0, int i1, int i2 )
{
if( index>=getNumElements() || !isCompatibleType(INT_VEC3) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
(*_intArray)[j] = i0;
(*_intArray)[j+1] = i1;
(*_intArray)[j+2] = i2;
dirty();
return true;
}
bool Uniform::setElement( unsigned int index, int i0, int i1, int i2, int i3 )
{
if( index>=getNumElements() || !isCompatibleType(INT_VEC4) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
(*_intArray)[j] = i0;
(*_intArray)[j+1] = i1;
(*_intArray)[j+2] = i2;
(*_intArray)[j+3] = i3;
dirty();
return true;
}
bool Uniform::setElement( unsigned int index, bool b )
{
if( index>=getNumElements() || !isCompatibleType(BOOL) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
(*_intArray)[j] = b;
dirty();
return true;
}
bool Uniform::setElement( unsigned int index, bool b0, bool b1 )
{
if( index>=getNumElements() || !isCompatibleType(BOOL_VEC2) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
(*_intArray)[j] = b0;
(*_intArray)[j+1] = b1;
dirty();
return true;
}
bool Uniform::setElement( unsigned int index, bool b0, bool b1, bool b2 )
{
if( index>=getNumElements() || !isCompatibleType(BOOL_VEC3) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
(*_intArray)[j] = b0;
(*_intArray)[j+1] = b1;
(*_intArray)[j+2] = b2;
dirty();
return true;
}
bool Uniform::setElement( unsigned int index, bool b0, bool b1, bool b2, bool b3 )
{
if( index>=getNumElements() || !isCompatibleType(BOOL_VEC4) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
(*_intArray)[j] = b0;
(*_intArray)[j+1] = b1;
(*_intArray)[j+2] = b2;
(*_intArray)[j+3] = b3;
dirty();
return true;
}
///////////////////////////////////////////////////////////////////////////
// Value query for array uniforms.
bool Uniform::getElement( unsigned int index, float& f ) const
{
if( index>=getNumElements() || !isCompatibleType(FLOAT) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
f = (*_floatArray)[j];
return true;
}
bool Uniform::getElement( unsigned int index, osg::Vec2& v2 ) const
{
if( index>=getNumElements() || !isCompatibleType(FLOAT_VEC2) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
v2.x() = (*_floatArray)[j];
v2.y() = (*_floatArray)[j+1];
return true;
}
bool Uniform::getElement( unsigned int index, osg::Vec3& v3 ) const
{
if( index>=getNumElements() || !isCompatibleType(FLOAT_VEC3) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
v3.x() = (*_floatArray)[j];
v3.y() = (*_floatArray)[j+1];
v3.z() = (*_floatArray)[j+2];
return true;
}
bool Uniform::getElement( unsigned int index, osg::Vec4& v4 ) const
{
if( index>=getNumElements() || !isCompatibleType(FLOAT_VEC4) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
v4.x() = (*_floatArray)[j];
v4.y() = (*_floatArray)[j+1];
v4.z() = (*_floatArray)[j+2];
v4.w() = (*_floatArray)[j+3];
return true;
}
bool Uniform::getElement( unsigned int index, osg::Matrix2& m2 ) const
{
if( index>=getNumElements() || !isCompatibleType(FLOAT_MAT2) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
m2.set( &((*_floatArray)[j]) );
return true;
}
bool Uniform::getElement( unsigned int index, osg::Matrix3& m3 ) const
{
if( index>=getNumElements() || !isCompatibleType(FLOAT_MAT3) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
m3.set( &((*_floatArray)[j]) );
return true;
}
bool Uniform::getElement( unsigned int index, osg::Matrixf& m4 ) const
{
if( index>=getNumElements() || !isCompatibleType(FLOAT_MAT4) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
m4.set( &((*_floatArray)[j]) );
return true;
}
bool Uniform::getElement( unsigned int index, osg::Matrixd& m4 ) const
{
if( index>=getNumElements() || !isCompatibleType(FLOAT_MAT4) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
m4.set( &((*_floatArray)[j]) );
return true;
}
bool Uniform::getElement( unsigned int index, int& i ) const
{
if( index>=getNumElements() || !isCompatibleType(INT) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
i = (*_intArray)[j];
return true;
}
bool Uniform::getElement( unsigned int index, int& i0, int& i1 ) const
{
if( index>=getNumElements() || !isCompatibleType(INT_VEC2) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
i0 = (*_intArray)[j];
i1 = (*_intArray)[j+1];
return true;
}
bool Uniform::getElement( unsigned int index, int& i0, int& i1, int& i2 ) const
{
if( index>=getNumElements() || !isCompatibleType(INT_VEC3) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
i0 = (*_intArray)[j];
i1 = (*_intArray)[j+1];
i2 = (*_intArray)[j+2];
return true;
}
bool Uniform::getElement( unsigned int index, int& i0, int& i1, int& i2, int& i3 ) const
{
if( index>=getNumElements() || !isCompatibleType(INT_VEC4) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
i0 = (*_intArray)[j];
i1 = (*_intArray)[j+1];
i2 = (*_intArray)[j+2];
i3 = (*_intArray)[j+3];
return true;
}
bool Uniform::getElement( unsigned int index, bool& b ) const
{
if( index>=getNumElements() || !isCompatibleType(BOOL) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
b = ((*_intArray)[j] != 0);
return true;
}
bool Uniform::getElement( unsigned int index, bool& b0, bool& b1 ) const
{
if( index>=getNumElements() || !isCompatibleType(BOOL_VEC2) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
b0 = ((*_intArray)[j] != 0);
b1 = ((*_intArray)[j+1] != 0);
return true;
}
bool Uniform::getElement( unsigned int index, bool& b0, bool& b1, bool& b2 ) const
{
if( index>=getNumElements() || !isCompatibleType(BOOL_VEC3) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
b0 = ((*_intArray)[j] != 0);
b1 = ((*_intArray)[j+1] != 0);
b2 = ((*_intArray)[j+2] != 0);
return true;
}
bool Uniform::getElement( unsigned int index, bool& b0, bool& b1, bool& b2, bool& b3 ) const
{
if( index>=getNumElements() || !isCompatibleType(BOOL_VEC4) ) return false;
unsigned int j = index * getTypeNumComponents(getType());
b0 = ((*_intArray)[j] != 0);
b1 = ((*_intArray)[j+1] != 0);
b2 = ((*_intArray)[j+2] != 0);
b3 = ((*_intArray)[j+3] != 0);
return true;
}
///////////////////////////////////////////////////////////////////////////
void Uniform::apply(const GL2Extensions* ext, GLint location) const