void begin() {
bind();
enableAttributeArray(vPosition);
enableAttributeArray(vCoord);
setAttributeArray(vCoord, m_vCoords.data(), 2);
setAttributeArray(vPosition, m_vPositions.data(), 2);
if (m_hasColor) {
enableAttributeArray(vColor);
setAttributeArray(vColor, OGL::UInt8, m_vColors.data(), 4);
}
}
/**
* Enables Vertex, normal, color or texCoord arrays and sets start adresses of arrays
* Type may be: VERTEX_LOCATION, COLOR_LOCATION
*/
bool GLESRenderer::activateAttributeArray (AttributeLocation arrayLocation, const QVector4D * values, int stride )
{
int location = -1;
switch(arrayLocation){
case VERTEX_LOCATION: location = location_aVertex; break;
case COLOR_LOCATION : location = location_aColor; break;
default: return false;
}
if(values && (location != -1))
{
enableAttributeArray(location);
setAttributeArray(location, GL_FLOAT, values, 3, stride);
activeAttributeLocations.append(location);
return true;
}
else return false;
}
/**
* Enables Vertex, normal, color or texCoord arrays and sets start adresses of arrays
* Type may be: VERTEX_LOCATION, NORMAL_LOCATION, COLOR_LOCATION, TEXCOORD_LOCATION
*/
bool GLESRenderer::activateAttributeArray (AttributeLocation arrayLocation, const QVector3D * values, int stride )
{
int location = -1;
int elements = 3;
switch(arrayLocation){
case VERTEX_LOCATION: location = location_aVertex; break;
case NORMAL_LOCATION: location = location_aNormal; break;
case COLOR_LOCATION : {
location = location_aColor;
elements = 4; //RGBA colors
}break;
case TEXCOORD_LOCATION : location = location_aTexCoord; break;
default: return false;
}
if(values && (location != -1))
{
enableAttributeArray(location);
setAttributeArray(location, GL_FLOAT, values, elements, stride);
activeAttributeLocations.append(location);
return true;
}
else return false;
}
void
GLImageShader2D::enableTexCoords()
{
enableAttributeArray(attr_texcoords);
}
/**
* Enable a vertex attribute by name.
* @param name this name is used for the location index look-up
*/
void SciIllLib::CGLShaderProgram::enableAttributeArray(const char *name)
{
enableAttributeArray(attribLocation(name));
}
void
GLLineShader2D::enableColour()
{
enableAttributeArray(attr_colour);
}
void
GLLineShader2D::enableCoords()
{
enableAttributeArray(attr_coords);
}
