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* Copyright (C) 2013 The Android Open Source Project
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
#include "PerspectiveProgram.h"
#include <EGL/egl.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
PerspectiveProgram::PerspectiveProgram(GLuint programId) :
Program(programId) {
mLightPosInModelSpace[0] = 0.0f;
mLightPosInModelSpace[1] = 0.0f;
mLightPosInModelSpace[2] = 1.0f;
mLightPosInModelSpace[3] = 2.0f;
mMVMatrixHandle = glGetUniformLocation(programId, "u_MVMatrix");
mMVPMatrixHandle = glGetUniformLocation(programId, "u_MVPMatrix");
mLightPosHandle = glGetUniformLocation(programId, "u_LightPos");
void PerspectiveProgram::before(Matrix& model, Matrix& view, Matrix& projection) {
Program::before(model, view, projection);
Matrix::multiplyVector(mLightPosInWorldSpace, mLightModelMatrix, mLightPosInModelSpace);
Matrix::multiplyVector(mLightPosInEyeSpace, view, mLightPosInWorldSpace);