//----------------------------------------
// Set a shader varible with it's handler.
//----------------------------------------
bool ShaderGL::SetConstant(ShaderHandle Handler, const float* Values, u32 Count)
{
cgSetParameterValuefr((CGparameter)Handler, Count, Values);
checkForCgError("cgSetParameterValuefc");
return true;
} // SetVarible
//
// SetFloatArray
//
void CCgUniform::SetFloatArray(
GLsizei Dimension, GLsizei Count,
const GLfloat *Array
)
{
cgSetParameterValuefr( m_Parameter, Dimension * Count, Array ); // ???
}
void cEffect::SetParam(const std::string &lacName, const float * lfParam, int liCount )
{
static const unsigned kuiAuxiliarBuffer = 256 * 4;
static float gFullArray[kuiAuxiliarBuffer];
CGparameter lParam = cgGetNamedEffectParameter(mEffect, lacName.c_str());
if (lParam)
{
int liNRows = cgGetParameterRows(lParam);
int liNCols = cgGetParameterColumns(lParam);
int liASize = cgGetArrayTotalSize(lParam);
int liNTotal = liNRows*liNCols;
if (liASize > 0)
{
liNTotal *= liASize;
if ( liCount < liNTotal )
{
assert(kuiAuxiliarBuffer > liNTotal);
assert(kuiAuxiliarBuffer > liCount);
memcpy(gFullArray, lfParam, sizeof(float) * liCount);
cgSetParameterValuefr(lParam, liNTotal, gFullArray);
}
else
{
cgSetParameterValuefr(lParam, liCount, lfParam);
}
CGerror err = cgGetError();
if (err != CG_NO_ERROR)
{
OutputDebugStr(cgGetErrorString( err ));
OutputDebugStr("\n");
}
}
}
}
