//----------------------------------------------------------------//
void MOAIGfxDevice::SetViewport () {
float width = ( float )this->mWidth;
float height = ( float )this->mHeight;
MOAIViewport viewport;
viewport.Init ( 0.0f, 0.0f, width, height );
viewport.SetScale ( width, -height );
viewport.SetOffset ( -1.0f, 1.0f );
this->SetViewport ( viewport );
}
//----------------------------------------------------------------//
void MOAIGfxDevice::BeginLayer () {
float width = ( float )this->mWidth;
float height = ( float )this->mHeight;
MOAIViewport viewport;
viewport.Init ( 0.0f, 0.0f, width, height );
viewport.SetScale ( width, -height );
viewport.SetOffset ( -1.0f, 1.0f );
this->SetViewport ( viewport );
for ( u32 i = 0; i < TOTAL_VTX_TRANSFORMS; ++i ) {
this->mVertexTransforms [ i ].Ident ();
}
this->mUVTransform.Ident ();
this->mCpuVertexTransformMtx.Ident ();
this->mVertexMtxInput = VTX_STAGE_MODEL;
this->mVertexMtxOutput = VTX_STAGE_MODEL;
USMatrix4x4 projMtx;
projMtx.Init ( viewport.GetProjMtx ());
this->mVertexTransforms [ VTX_PROJ_TRANSFORM ] = projMtx;
// fixed function reset
#if USE_OPENGLES1
if ( !this->IsProgrammable ()) {
// load identity matrix
glMatrixMode ( GL_MODELVIEW );
glLoadIdentity ();
glMatrixMode ( GL_PROJECTION );
this->GpuLoadMatrix ( projMtx );
glMatrixMode ( GL_TEXTURE );
glLoadIdentity ();
// reset the current vertex color
glColor4f ( 1.0f, 1.0f, 1.0f, 1.0f );
// reset the point size
glPointSize (( GLfloat )this->mPointSize );
}
#endif
}