/** Populates the initial values of the uniform, based on the size and type. */
void CC3GLSLUniform::populateInitialValue()
{
for (GLint vIdx = 0 ; vIdx < _size; vIdx++)
{
CC3Matrix3x3 m3x3;
CC3Matrix4x4 m4x4;
switch (_type)
{
case GL_FLOAT:
case GL_FLOAT_VEC2:
case GL_FLOAT_VEC3:
case GL_FLOAT_VEC4:
setVector4( CC3Vector4(0.0f, 0.0f, 0.0f, 1.0f), vIdx );
return;
case GL_FLOAT_MAT2:
setVector4( CC3Vector4(1.0f, 0.0f, 0.0f, 1.0f), vIdx );
return;
case GL_FLOAT_MAT3:
CC3Matrix3x3PopulateIdentity(&m3x3);
setMatrix3x3( &m3x3, vIdx );
return;
case GL_FLOAT_MAT4:
CC3Matrix4x4PopulateIdentity(&m4x4);
setMatrix4x4( &m4x4, vIdx );
return;
case GL_INT:
case GL_INT_VEC2:
case GL_INT_VEC3:
case GL_INT_VEC4:
case GL_SAMPLER_2D:
case GL_SAMPLER_CUBE:
case GL_BOOL:
case GL_BOOL_VEC2:
case GL_BOOL_VEC3:
case GL_BOOL_VEC4:
setIntVector4( CC3IntVector4Make(0, 0, 0, 1), vIdx );
return;
default:
CCAssert(false, "CC3GLSLUniform could not set value because type %s is not understood"/*,
stringFromGLEnum(_type).c_str()*/);
return;
}
}
}
void CC3ProjectionMatrix::implPopulateIdentity()
{
CC3Matrix4x4PopulateIdentity(&_contents);
}
