.class public abstract Lcom/google/android/exoplayer2/util/GlUtil;
.super Ljava/lang/Object;
.source "SourceFile"


# direct methods
.method public static addShader(ILjava/lang/String;I)V
    .locals 3

    .line 381
    invoke-static {p0}, Landroid/opengl/GLES20;->glCreateShader(I)I

    move-result p0

    .line 382
    invoke-static {p0, p1}, Landroid/opengl/GLES20;->glShaderSource(ILjava/lang/String;)V

    .line 383
    invoke-static {p0}, Landroid/opengl/GLES20;->glCompileShader(I)V

    const/4 v0, 0x0

    filled-new-array {v0}, [I

    move-result-object v1

    const v2, 0x8b81

    .line 386
    invoke-static {p0, v2, v1, v0}, Landroid/opengl/GLES20;->glGetShaderiv(II[II)V

    .line 387
    aget v0, v1, v0

    const/4 v1, 0x1

    if-eq v0, v1, :cond_0

    .line 388
    invoke-static {p0}, Landroid/opengl/GLES20;->glGetShaderInfoLog(I)Ljava/lang/String;

    move-result-object v0

    invoke-static {v0}, Ljava/lang/String;->valueOf(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/String;->length()I

    move-result v1

    add-int/lit8 v1, v1, 0xa

    invoke-static {p1}, Ljava/lang/String;->valueOf(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v2}, Ljava/lang/String;->length()I

    move-result v2

    add-int/2addr v1, v2

    new-instance v2, Ljava/lang/StringBuilder;

    invoke-direct {v2, v1}, Ljava/lang/StringBuilder;-><init>(I)V

    invoke-virtual {v2, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    const-string v0, ", source: "

    invoke-virtual {v2, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v2, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p1

    invoke-static {p1}, Lcom/google/android/exoplayer2/util/GlUtil;->throwGlError(Ljava/lang/String;)V

    .line 391
    :cond_0
    invoke-static {p2, p0}, Landroid/opengl/GLES20;->glAttachShader(II)V

    .line 392
    invoke-static {p0}, Landroid/opengl/GLES20;->glDeleteShader(I)V

    .line 393
    invoke-static {}, Lcom/google/android/exoplayer2/util/GlUtil;->checkGlError()V

    return-void
.end method

.method public static checkGlError()V
    .locals 3

    .line 264
    :goto_0
    invoke-static {}, Landroid/opengl/GLES20;->glGetError()I

    move-result v0

    if-eqz v0, :cond_1

    .line 265
    invoke-static {v0}, Landroid/opengl/GLU;->gluErrorString(I)Ljava/lang/String;

    move-result-object v0

    invoke-static {v0}, Ljava/lang/String;->valueOf(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v0

    invoke-virtual {v0}, Ljava/lang/String;->length()I

    move-result v1

    const-string v2, "glError "

    if-eqz v1, :cond_0

    invoke-virtual {v2, v0}, Ljava/lang/String;->concat(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0

    goto :goto_1

    :cond_0
    new-instance v0, Ljava/lang/String;

    invoke-direct {v0, v2}, Ljava/lang/String;-><init>(Ljava/lang/String;)V

    :goto_1
    const-string v1, "GlUtil"

    invoke-static {v1, v0}, Lcom/google/android/exoplayer2/util/Log;->e(Ljava/lang/String;Ljava/lang/String;)V

    goto :goto_0

    :cond_1
    return-void
.end method

.method public static compileProgram(Ljava/lang/String;Ljava/lang/String;)I
    .locals 2

    .line 294
    invoke-static {}, Landroid/opengl/GLES20;->glCreateProgram()I

    move-result v0

    .line 295
    invoke-static {}, Lcom/google/android/exoplayer2/util/GlUtil;->checkGlError()V

    const v1, 0x8b31

    .line 298
    invoke-static {v1, p0, v0}, Lcom/google/android/exoplayer2/util/GlUtil;->addShader(ILjava/lang/String;I)V

    const p0, 0x8b30

    .line 299
    invoke-static {p0, p1, v0}, Lcom/google/android/exoplayer2/util/GlUtil;->addShader(ILjava/lang/String;I)V

    .line 302
    invoke-static {v0}, Landroid/opengl/GLES20;->glLinkProgram(I)V

    const/4 p0, 0x0

    filled-new-array {p0}, [I

    move-result-object p1

    const v1, 0x8b82

    .line 304
    invoke-static {v0, v1, p1, p0}, Landroid/opengl/GLES20;->glGetProgramiv(II[II)V

    .line 305
    aget p0, p1, p0

    const/4 p1, 0x1

    if-eq p0, p1, :cond_1

    .line 306
    invoke-static {v0}, Landroid/opengl/GLES20;->glGetProgramInfoLog(I)Ljava/lang/String;

    move-result-object p0

    invoke-static {p0}, Ljava/lang/String;->valueOf(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object p0

    invoke-virtual {p0}, Ljava/lang/String;->length()I

    move-result p1

    const-string v1, "Unable to link shader program: \n"

    if-eqz p1, :cond_0

    invoke-virtual {v1, p0}, Ljava/lang/String;->concat(Ljava/lang/String;)Ljava/lang/String;

    move-result-object p0

    goto :goto_0

    :cond_0
    new-instance p0, Ljava/lang/String;

    invoke-direct {p0, v1}, Ljava/lang/String;-><init>(Ljava/lang/String;)V

    :goto_0
    invoke-static {p0}, Lcom/google/android/exoplayer2/util/GlUtil;->throwGlError(Ljava/lang/String;)V

    .line 308
    :cond_1
    invoke-static {}, Lcom/google/android/exoplayer2/util/GlUtil;->checkGlError()V

    return v0
.end method

.method public static compileProgram([Ljava/lang/String;[Ljava/lang/String;)I
    .locals 1

    const-string v0, "\n"

    .line 283
    invoke-static {v0, p0}, Landroid/text/TextUtils;->join(Ljava/lang/CharSequence;[Ljava/lang/Object;)Ljava/lang/String;

    move-result-object p0

    invoke-static {v0, p1}, Landroid/text/TextUtils;->join(Ljava/lang/CharSequence;[Ljava/lang/Object;)Ljava/lang/String;

    move-result-object p1

    invoke-static {p0, p1}, Lcom/google/android/exoplayer2/util/GlUtil;->compileProgram(Ljava/lang/String;Ljava/lang/String;)I

    move-result p0

    return p0
.end method

.method public static createBuffer(I)Ljava/nio/FloatBuffer;
    .locals 1

    mul-int/lit8 p0, p0, 0x4

    .line 356
    invoke-static {p0}, Ljava/nio/ByteBuffer;->allocateDirect(I)Ljava/nio/ByteBuffer;

    move-result-object p0

    .line 357
    invoke-static {}, Ljava/nio/ByteOrder;->nativeOrder()Ljava/nio/ByteOrder;

    move-result-object v0

    invoke-virtual {p0, v0}, Ljava/nio/ByteBuffer;->order(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;

    move-result-object p0

    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->asFloatBuffer()Ljava/nio/FloatBuffer;

    move-result-object p0

    return-object p0
.end method

.method public static createBuffer([F)Ljava/nio/FloatBuffer;
    .locals 1

    .line 347
    array-length v0, p0

    invoke-static {v0}, Lcom/google/android/exoplayer2/util/GlUtil;->createBuffer(I)Ljava/nio/FloatBuffer;

    move-result-object v0

    invoke-virtual {v0, p0}, Ljava/nio/FloatBuffer;->put([F)Ljava/nio/FloatBuffer;

    move-result-object p0

    invoke-virtual {p0}, Ljava/nio/FloatBuffer;->flip()Ljava/nio/Buffer;

    move-result-object p0

    check-cast p0, Ljava/nio/FloatBuffer;

    return-object p0
.end method

.method public static createExternalTexture()I
    .locals 5

    const/4 v0, 0x1

    new-array v1, v0, [I

    .line 366
    invoke-static {v1}, Ljava/nio/IntBuffer;->wrap([I)Ljava/nio/IntBuffer;

    move-result-object v2

    invoke-static {v0, v2}, Landroid/opengl/GLES20;->glGenTextures(ILjava/nio/IntBuffer;)V

    const/4 v0, 0x0

    aget v2, v1, v0

    const v3, 0x8d65

    .line 367
    invoke-static {v3, v2}, Landroid/opengl/GLES20;->glBindTexture(II)V

    const/16 v2, 0x2801

    const/16 v4, 0x2601

    .line 368
    invoke-static {v3, v2, v4}, Landroid/opengl/GLES20;->glTexParameteri(III)V

    const/16 v2, 0x2800

    .line 370
    invoke-static {v3, v2, v4}, Landroid/opengl/GLES20;->glTexParameteri(III)V

    const/16 v2, 0x2802

    const v4, 0x812f

    .line 372
    invoke-static {v3, v2, v4}, Landroid/opengl/GLES20;->glTexParameteri(III)V

    const/16 v2, 0x2803

    .line 374
    invoke-static {v3, v2, v4}, Landroid/opengl/GLES20;->glTexParameteri(III)V

    .line 376
    invoke-static {}, Lcom/google/android/exoplayer2/util/GlUtil;->checkGlError()V

    aget v0, v1, v0

    return v0
.end method

.method public static throwGlError(Ljava/lang/String;)V
    .locals 1

    const-string v0, "GlUtil"

    .line 397
    invoke-static {v0, p0}, Lcom/google/android/exoplayer2/util/Log;->e(Ljava/lang/String;Ljava/lang/String;)V

    return-void
.end method