56 lines
1.9 KiB
Java
56 lines
1.9 KiB
Java
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package com.kofax.kmc.ken.engines.gpu;
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import android.opengl.GLES20;
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import com.kofax.mobile.sdk._internal.k;
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/* loaded from: classes3.dex */
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public class OpenGlUtils {
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public static final int NO_TEXTURE = -1;
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public static int loadShader(String str, int i) {
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int[] iArr = new int[1];
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int glCreateShader = GLES20.glCreateShader(i);
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GLES20.glShaderSource(glCreateShader, str);
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GLES20.glCompileShader(glCreateShader);
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GLES20.glGetShaderiv(glCreateShader, 35713, iArr, 0);
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if (iArr[0] != 0) {
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return glCreateShader;
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}
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StringBuilder sb = new StringBuilder("Compilation\n");
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sb.append(GLES20.glGetShaderInfoLog(glCreateShader));
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k.C(sb.toString());
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return 0;
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}
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public static int loadProgram(String str, String str2, int[] iArr, String[] strArr, int i) {
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int[] iArr2 = new int[1];
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int loadShader = loadShader(str, 35633);
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if (loadShader == 0) {
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k.E("Vertex Shader Failed");
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k.E(str);
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return 0;
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}
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int loadShader2 = loadShader(str2, 35632);
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if (loadShader2 == 0) {
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k.E("Fragment Shader Failed");
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k.E("strFSource");
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return 0;
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}
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int glCreateProgram = GLES20.glCreateProgram();
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GLES20.glAttachShader(glCreateProgram, loadShader);
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GLES20.glAttachShader(glCreateProgram, loadShader2);
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for (int i2 = 0; i2 < i; i2++) {
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GLES20.glBindAttribLocation(glCreateProgram, iArr[i2], strArr[i2]);
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}
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GLES20.glLinkProgram(glCreateProgram);
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GLES20.glGetProgramiv(glCreateProgram, 35714, iArr2, 0);
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if (iArr2[0] <= 0) {
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k.C("Linking Failed");
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return 0;
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}
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GLES20.glDeleteShader(loadShader);
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GLES20.glDeleteShader(loadShader2);
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return glCreateProgram;
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}
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}
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