ppsspp/GPU/Software/TransformUnit.cpp
2013-08-16 23:48:52 +02:00

50 lines
1.6 KiB
C++

// Copyright (c) 2013- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include "TransformUnit.h"
#include "../GPUState.h"
WorldCoords TransformUnit::ModelToWorld(const ModelCoords& coords)
{
Mat3x3<float> world_matrix(gstate.worldMatrix);
return WorldCoords(world_matrix * coords) + Vec3<float>(gstate.worldMatrix[9], gstate.worldMatrix[10], gstate.worldMatrix[11]);
}
ViewCoords TransformUnit::WorldToView(const WorldCoords& coords)
{
Mat3x3<float> view_matrix(gstate.viewMatrix);
return ViewCoords(view_matrix * coords) + Vec3<float>(gstate.viewMatrix[9], gstate.viewMatrix[10], gstate.viewMatrix[11]);
}
ClipCoords TransformUnit::ViewToClip(const ViewCoords& coords)
{
ClipCoords ret;
return ret;
}
ScreenCoords TransformUnit::ClipToScreen(const ClipCoords& coords)
{
ScreenCoords ret;
return ret;
}
DrawingCoords TransformUnit::ScreenToDrawing(const ScreenCoords& coords)
{
DrawingCoords ret;
return ret;
}