public void undistortTexture(final int textureId) {
if (this.mRestoreGLStateEnabled) {
if (this.mChromaticAberrationCorrectionEnabled) {
this.mGLStateBackupAberration.readFromGL();
} else {
this.mGLStateBackup.readFromGL();
}
}
if (this.mFovsChanged || this.mTextureFormatChanged) {
this.updateTextureAndDistortionMesh();
}
GLES20.glViewport(
0, 0, this.mHmd.getScreenParams().getWidth(), this.mHmd.getScreenParams().getHeight());
GLES20.glDisable(GLES20.GL_SCISSOR_TEST);
GLES20.glDisable(GLES20.GL_CULL_FACE);
GLES20.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT | GLES20.GL_DEPTH_BUFFER_BIT);
if (this.mChromaticAberrationCorrectionEnabled) {
GLES20.glUseProgram(this.mProgramHolderAberration.program);
} else {
GLES20.glUseProgram(this.mProgramHolder.program);
}
GLES20.glEnable(GLES20.GL_SCISSOR_TEST);
GLES20.glScissor(
0, 0, this.mHmd.getScreenParams().getWidth() / 2, this.mHmd.getScreenParams().getHeight());
this.renderDistortionMesh(this.mLeftEyeDistortionMesh, textureId);
GLES20.glScissor(
this.mHmd.getScreenParams().getWidth() / 2,
0,
this.mHmd.getScreenParams().getWidth() / 2,
this.mHmd.getScreenParams().getHeight());
this.renderDistortionMesh(this.mRightEyeDistortionMesh, textureId);
if (this.mRestoreGLStateEnabled) {
if (this.mChromaticAberrationCorrectionEnabled) {
this.mGLStateBackupAberration.writeToGL();
} else {
this.mGLStateBackup.writeToGL();
}
}
}
