51 lines
1.5 KiB
Java
51 lines
1.5 KiB
Java
package org.webrtc;
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import android.opengl.GLES20;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.nio.FloatBuffer;
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public class GlUtil {
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public static class GlOutOfMemoryException extends RuntimeException {
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public GlOutOfMemoryException(String str) {
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super(str);
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}
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}
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private GlUtil() {
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}
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public static void checkNoGLES2Error(String str) {
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int glGetError = GLES20.glGetError();
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if (glGetError == 0) {
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return;
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}
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if (glGetError == 1285) {
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throw new GlOutOfMemoryException(str);
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}
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throw new RuntimeException(str + ": GLES20 error: " + glGetError);
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}
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public static FloatBuffer createFloatBuffer(float[] fArr) {
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ByteBuffer allocateDirect = ByteBuffer.allocateDirect(fArr.length * 4);
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allocateDirect.order(ByteOrder.nativeOrder());
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FloatBuffer asFloatBuffer = allocateDirect.asFloatBuffer();
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asFloatBuffer.put(fArr);
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asFloatBuffer.position(0);
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return asFloatBuffer;
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}
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public static int generateTexture(int i) {
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int[] iArr = new int[1];
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GLES20.glGenTextures(1, iArr, 0);
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int i2 = iArr[0];
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GLES20.glBindTexture(i, i2);
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GLES20.glTexParameterf(i, 10241, 9729.0f);
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GLES20.glTexParameterf(i, 10240, 9729.0f);
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GLES20.glTexParameterf(i, 10242, 33071.0f);
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GLES20.glTexParameterf(i, 10243, 33071.0f);
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checkNoGLES2Error("generateTexture");
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return i2;
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}
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}
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