96 lines
3.3 KiB
Java
96 lines
3.3 KiB
Java
|
package com.pedro.encoder.input.gl.render.filters;
|
||
|
|
||
|
import android.content.Context;
|
||
|
import android.opengl.GLES20;
|
||
|
import android.opengl.Matrix;
|
||
|
import android.os.Build;
|
||
|
|
||
|
import com.pedro.encoder.R;
|
||
|
import com.pedro.encoder.utils.gl.GlUtil;
|
||
|
|
||
|
import java.nio.ByteBuffer;
|
||
|
import java.nio.ByteOrder;
|
||
|
|
||
|
import androidx.annotation.RequiresApi;
|
||
|
|
||
|
/**
|
||
|
* Created by pedro on 09/09/19.
|
||
|
*/
|
||
|
|
||
|
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2)
|
||
|
public class AnalogTVFilterRender extends BaseFilterRender {
|
||
|
|
||
|
//rotation matrix
|
||
|
private final float[] squareVertexDataFilter = {
|
||
|
// X, Y, Z, U, V
|
||
|
-1f, -1f, 0f, 0f, 0f, //bottom left
|
||
|
1f, -1f, 0f, 1f, 0f, //bottom right
|
||
|
-1f, 1f, 0f, 0f, 1f, //top left
|
||
|
1f, 1f, 0f, 1f, 1f, //top right
|
||
|
};
|
||
|
|
||
|
private int program = -1;
|
||
|
private int aPositionHandle = -1;
|
||
|
private int aTextureHandle = -1;
|
||
|
private int uMVPMatrixHandle = -1;
|
||
|
private int uSTMatrixHandle = -1;
|
||
|
private int uSamplerHandle = -1;
|
||
|
private int uTimeHandle = -1;
|
||
|
private int uResolutionHandle = -1;
|
||
|
|
||
|
private long START_TIME = System.currentTimeMillis();
|
||
|
|
||
|
public AnalogTVFilterRender() {
|
||
|
squareVertex = ByteBuffer.allocateDirect(squareVertexDataFilter.length * FLOAT_SIZE_BYTES)
|
||
|
.order(ByteOrder.nativeOrder())
|
||
|
.asFloatBuffer();
|
||
|
squareVertex.put(squareVertexDataFilter).position(0);
|
||
|
Matrix.setIdentityM(MVPMatrix, 0);
|
||
|
Matrix.setIdentityM(STMatrix, 0);
|
||
|
}
|
||
|
|
||
|
@Override
|
||
|
protected void initGlFilter(Context context) {
|
||
|
String vertexShader = GlUtil.getStringFromRaw(context, R.raw.simple_vertex);
|
||
|
String fragmentShader = GlUtil.getStringFromRaw(context, R.raw.analog_tv_fragment);
|
||
|
|
||
|
program = GlUtil.createProgram(vertexShader, fragmentShader);
|
||
|
aPositionHandle = GLES20.glGetAttribLocation(program, "aPosition");
|
||
|
aTextureHandle = GLES20.glGetAttribLocation(program, "aTextureCoord");
|
||
|
uMVPMatrixHandle = GLES20.glGetUniformLocation(program, "uMVPMatrix");
|
||
|
uSTMatrixHandle = GLES20.glGetUniformLocation(program, "uSTMatrix");
|
||
|
uSamplerHandle = GLES20.glGetUniformLocation(program, "uSampler");
|
||
|
uTimeHandle = GLES20.glGetUniformLocation(program, "uTime");
|
||
|
uResolutionHandle = GLES20.glGetUniformLocation(program, "uResolution");
|
||
|
}
|
||
|
|
||
|
@Override
|
||
|
protected void drawFilter() {
|
||
|
GLES20.glUseProgram(program);
|
||
|
|
||
|
squareVertex.position(SQUARE_VERTEX_DATA_POS_OFFSET);
|
||
|
GLES20.glVertexAttribPointer(aPositionHandle, 3, GLES20.GL_FLOAT, false,
|
||
|
SQUARE_VERTEX_DATA_STRIDE_BYTES, squareVertex);
|
||
|
GLES20.glEnableVertexAttribArray(aPositionHandle);
|
||
|
|
||
|
squareVertex.position(SQUARE_VERTEX_DATA_UV_OFFSET);
|
||
|
GLES20.glVertexAttribPointer(aTextureHandle, 2, GLES20.GL_FLOAT, false,
|
||
|
SQUARE_VERTEX_DATA_STRIDE_BYTES, squareVertex);
|
||
|
GLES20.glEnableVertexAttribArray(aTextureHandle);
|
||
|
|
||
|
GLES20.glUniformMatrix4fv(uMVPMatrixHandle, 1, false, MVPMatrix, 0);
|
||
|
GLES20.glUniformMatrix4fv(uSTMatrixHandle, 1, false, STMatrix, 0);
|
||
|
float time = ((float) (System.currentTimeMillis() - START_TIME)) / 1000f;
|
||
|
if (time >= 10) START_TIME += 10000;
|
||
|
GLES20.glUniform1f(uTimeHandle, time);
|
||
|
GLES20.glUniform2f(uResolutionHandle, getWidth(), getHeight());
|
||
|
GLES20.glUniform1i(uSamplerHandle, 4);
|
||
|
GLES20.glActiveTexture(GLES20.GL_TEXTURE4);
|
||
|
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, previousTexId);
|
||
|
}
|
||
|
|
||
|
@Override
|
||
|
public void release() {
|
||
|
GLES20.glDeleteProgram(program);
|
||
|
}
|
||
|
}
|