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