GlUtil.smali

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


# static fields
.field private static final TAG:Ljava/lang/String; = "GlUtil"


# direct methods
.method static constructor <clinit>()V
    .registers 1

    return-void
.end method

.method private constructor <init>()V
    .registers 1

    .line 36
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method private static addShader(ILjava/lang/String;I)V
    .registers 8
    .param p0, "type"    # I
    .param p1, "source"    # Ljava/lang/String;
    .param p2, "program"    # I

    .line 135
    invoke-static {p0}, Landroid/opengl/GLES20;->glCreateShader(I)I

    move-result v0

    .line 136
    .local v0, "shader":I
    invoke-static {v0, p1}, Landroid/opengl/GLES20;->glShaderSource(ILjava/lang/String;)V

    .line 137
    invoke-static {v0}, Landroid/opengl/GLES20;->glCompileShader(I)V

    .line 139
    const/4 v1, 0x1

    new-array v2, v1, [I

    const/4 v3, 0x0

    aput v3, v2, v3

    .line 140
    .local v2, "result":[I
    const v4, 0x8b81

    invoke-static {v0, v4, v2, v3}, Landroid/opengl/GLES20;->glGetShaderiv(II[II)V

    .line 141
    aget v3, v2, v3

    if-eq v3, v1, :cond_35

    .line 142
    new-instance v1, Ljava/lang/StringBuilder;

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

    invoke-static {v0}, Landroid/opengl/GLES20;->glGetShaderInfoLog(I)Ljava/lang/String;

    move-result-object v3

    invoke-virtual {v1, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    const-string v3, ", source: "

    invoke-virtual {v1, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

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

    .line 145
    :cond_35
    invoke-static {p2, v0}, Landroid/opengl/GLES20;->glAttachShader(II)V

    .line 146
    invoke-static {v0}, Landroid/opengl/GLES20;->glDeleteShader(I)V

    .line 147
    invoke-static {}, Lcom/google/android/exoplayer2/util/GlUtil;->checkGlError()V

    .line 148
    return-void
.end method

.method public static checkGlError()V
    .registers 4

    .line 43
    const/4 v0, 0x0

    .line 45
    .local v0, "lastError":I
    :goto_1
    invoke-static {}, Landroid/opengl/GLES20;->glGetError()I

    move-result v1

    move v2, v1

    .local v2, "error":I
    if-eqz v1, :cond_24

    .line 46
    new-instance v1, Ljava/lang/StringBuilder;

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

    const-string v3, "glError "

    invoke-virtual {v1, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

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

    move-result-object v3

    invoke-virtual {v1, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    const-string v3, "GlUtil"

    invoke-static {v3, v1}, Lcom/google/android/exoplayer2/util/Log;->e(Ljava/lang/String;Ljava/lang/String;)V

    .line 47
    move v0, v2

    goto :goto_1

    .line 52
    :cond_24
    return-void
.end method

.method public static compileProgram(Ljava/lang/String;Ljava/lang/String;)I
    .registers 7
    .param p0, "vertexCode"    # Ljava/lang/String;
    .param p1, "fragmentCode"    # Ljava/lang/String;

    .line 75
    invoke-static {}, Landroid/opengl/GLES20;->glCreateProgram()I

    move-result v0

    .line 76
    .local v0, "program":I
    invoke-static {}, Lcom/google/android/exoplayer2/util/GlUtil;->checkGlError()V

    .line 79
    const v1, 0x8b31

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

    .line 80
    const v1, 0x8b30

    invoke-static {v1, p1, v0}, Lcom/google/android/exoplayer2/util/GlUtil;->addShader(ILjava/lang/String;I)V

    .line 83
    invoke-static {v0}, Landroid/opengl/GLES20;->glLinkProgram(I)V

    .line 84
    const/4 v1, 0x1

    new-array v2, v1, [I

    const/4 v3, 0x0

    aput v3, v2, v3

    .line 85
    .local v2, "linkStatus":[I
    const v4, 0x8b82

    invoke-static {v0, v4, v2, v3}, Landroid/opengl/GLES20;->glGetProgramiv(II[II)V

    .line 86
    aget v3, v2, v3

    if-eq v3, v1, :cond_3e

    .line 87
    new-instance v1, Ljava/lang/StringBuilder;

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

    const-string v3, "Unable to link shader program: \n"

    invoke-virtual {v1, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

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

    move-result-object v3

    invoke-virtual {v1, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

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

    .line 89
    :cond_3e
    invoke-static {}, Lcom/google/android/exoplayer2/util/GlUtil;->checkGlError()V

    .line 91
    return v0
.end method

.method public static compileProgram([Ljava/lang/String;[Ljava/lang/String;)I
    .registers 4
    .param p0, "vertexCode"    # [Ljava/lang/String;
    .param p1, "fragmentCode"    # [Ljava/lang/String;

    .line 64
    const-string v0, "\n"

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

    move-result-object v1

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

    move-result-object v0

    invoke-static {v1, v0}, Lcom/google/android/exoplayer2/util/GlUtil;->compileProgram(Ljava/lang/String;Ljava/lang/String;)I

    move-result v0

    return v0
.end method

.method public static createBuffer(I)Ljava/nio/FloatBuffer;
    .registers 3
    .param p0, "capacity"    # I

    .line 109
    mul-int/lit8 v0, p0, 0x4

    invoke-static {v0}, Ljava/nio/ByteBuffer;->allocateDirect(I)Ljava/nio/ByteBuffer;

    move-result-object v0

    .line 110
    .local v0, "byteBuffer":Ljava/nio/ByteBuffer;
    invoke-static {}, Ljava/nio/ByteOrder;->nativeOrder()Ljava/nio/ByteOrder;

    move-result-object v1

    invoke-virtual {v0, v1}, Ljava/nio/ByteBuffer;->order(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;

    move-result-object v1

    invoke-virtual {v1}, Ljava/nio/ByteBuffer;->asFloatBuffer()Ljava/nio/FloatBuffer;

    move-result-object v1

    return-object v1
.end method

.method public static createBuffer([F)Ljava/nio/FloatBuffer;
    .registers 2
    .param p0, "data"    # [F

    .line 100
    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 v0

    invoke-virtual {v0}, Ljava/nio/FloatBuffer;->flip()Ljava/nio/Buffer;

    move-result-object v0

    check-cast v0, Ljava/nio/FloatBuffer;

    return-object v0
.end method

.method public static createExternalTexture()I
    .registers 5

    .line 119
    const/4 v0, 0x1

    new-array v1, v0, [I

    .line 120
    .local v1, "texId":[I
    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

    .line 121
    const/4 v0, 0x0

    aget v2, v1, v0

    const v3, 0x8d65

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

    .line 122
    const/16 v2, 0x2601

    const/16 v4, 0x2801

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

    .line 124
    const/16 v4, 0x2800

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

    .line 126
    const v2, 0x812f

    const/16 v4, 0x2802

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

    .line 128
    const/16 v4, 0x2803

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

    .line 130
    invoke-static {}, Lcom/google/android/exoplayer2/util/GlUtil;->checkGlError()V

    .line 131
    aget v0, v1, v0

    return v0
.end method

.method private static throwGlError(Ljava/lang/String;)V
    .registers 2
    .param p0, "errorMsg"    # Ljava/lang/String;

    .line 151
    const-string v0, "GlUtil"

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

    .line 155
    return-void
.end method