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package com.google.android.exoplayer2.util;
import android.content.Context;
import android.opengl.GLES20;
import java.io.IOException;
import java.nio.Buffer;
import java.util.HashMap;
import java.util.Map;
public final class GlProgram {
private static final int GL_SAMPLER_EXTERNAL_2D_Y2Y_EXT = 35815;
private final Map<String, Attribute> attributeByName;
private final Attribute[] attributes;
private final int programId;
private final Map<String, Uniform> uniformByName;
private final Uniform[] uniforms;
public GlProgram(Context context, String str, String str2) throws IOException {
this(GlUtil.loadAsset(context, str), GlUtil.loadAsset(context, str2));
}
public GlProgram(String str, String str2) {
int glCreateProgram = GLES20.glCreateProgram();
this.programId = glCreateProgram;
GlUtil.checkGlError();
addShader(glCreateProgram, 35633, str);
addShader(glCreateProgram, 35632, str2);
GLES20.glLinkProgram(glCreateProgram);
int[] iArr = {0};
GLES20.glGetProgramiv(glCreateProgram, 35714, iArr, 0);
if (iArr[0] != 1) {
GlUtil.throwGlException("Unable to link shader program: \n" + GLES20.glGetProgramInfoLog(glCreateProgram));
}
GLES20.glUseProgram(glCreateProgram);
this.attributeByName = new HashMap();
int[] iArr2 = new int[1];
GLES20.glGetProgramiv(glCreateProgram, 35721, iArr2, 0);
this.attributes = new Attribute[iArr2[0]];
for (int i = 0; i < iArr2[0]; i++) {
Attribute create = Attribute.create(this.programId, i);
this.attributes[i] = create;
this.attributeByName.put(create.name, create);
}
this.uniformByName = new HashMap();
int[] iArr3 = new int[1];
GLES20.glGetProgramiv(this.programId, 35718, iArr3, 0);
this.uniforms = new Uniform[iArr3[0]];
for (int i2 = 0; i2 < iArr3[0]; i2++) {
Uniform create2 = Uniform.create(this.programId, i2);
this.uniforms[i2] = create2;
this.uniformByName.put(create2.name, create2);
}
GlUtil.checkGlError();
}
private static void addShader(int i, int i2, String str) {
int glCreateShader = GLES20.glCreateShader(i2);
GLES20.glShaderSource(glCreateShader, str);
GLES20.glCompileShader(glCreateShader);
int[] iArr = {0};
GLES20.glGetShaderiv(glCreateShader, 35713, iArr, 0);
if (iArr[0] != 1) {
GlUtil.throwGlException(GLES20.glGetShaderInfoLog(glCreateShader) + ", source: " + str);
}
GLES20.glAttachShader(i, glCreateShader);
GLES20.glDeleteShader(glCreateShader);
GlUtil.checkGlError();
}
/* access modifiers changed from: private */
public static int getAttributeLocation(int i, String str) {
return GLES20.glGetAttribLocation(i, str);
}
private int getAttributeLocation(String str) {
return getAttributeLocation(this.programId, str);
}
/* access modifiers changed from: private */
public static int getUniformLocation(int i, String str) {
return GLES20.glGetUniformLocation(i, str);
}
public int getUniformLocation(String str) {
return getUniformLocation(this.programId, str);
}
public void use() {
GLES20.glUseProgram(this.programId);
GlUtil.checkGlError();
}
public void delete() {
GLES20.glDeleteProgram(this.programId);
GlUtil.checkGlError();
}
public int getAttributeArrayLocationAndEnable(String str) {
int attributeLocation = getAttributeLocation(str);
GLES20.glEnableVertexAttribArray(attributeLocation);
GlUtil.checkGlError();
return attributeLocation;
}
public void setBufferAttribute(String str, float[] fArr, int i) {
((Attribute) Assertions.checkNotNull(this.attributeByName.get(str))).setBuffer(fArr, i);
}
public void setSamplerTexIdUniform(String str, int i, int i2) {
((Uniform) Assertions.checkNotNull(this.uniformByName.get(str))).setSamplerTexId(i, i2);
}
public void setFloatUniform(String str, float f) {
((Uniform) Assertions.checkNotNull(this.uniformByName.get(str))).setFloat(f);
}
public void setFloatsUniform(String str, float[] fArr) {
((Uniform) Assertions.checkNotNull(this.uniformByName.get(str))).setFloats(fArr);
}
public void bindAttributesAndUniforms() {
for (Attribute bind : this.attributes) {
bind.bind();
}
for (Uniform bind2 : this.uniforms) {
bind2.bind();
}
}
/* access modifiers changed from: private */
public static int getCStringLength(byte[] bArr) {
for (int i = 0; i < bArr.length; i++) {
if (bArr[i] == 0) {
return i;
}
}
return bArr.length;
}
private static final class Attribute {
private Buffer buffer;
private final int index;
private final int location;
public final String name;
private int size;
public static Attribute create(int i, int i2) {
int[] iArr = new int[1];
GLES20.glGetProgramiv(i, 35722, iArr, 0);
byte[] bArr = new byte[iArr[0]];
GLES20.glGetActiveAttrib(i, i2, iArr[0], new int[1], 0, new int[1], 0, new int[1], 0, bArr, 0);
String str = new String(bArr, 0, GlProgram.getCStringLength(bArr));
return new Attribute(str, i2, GlProgram.getAttributeLocation(i, str));
}
private Attribute(String str, int i, int i2) {
this.name = str;
this.index = i;
this.location = i2;
}
public void setBuffer(float[] fArr, int i) {
this.buffer = GlUtil.createBuffer(fArr);
this.size = i;
}
public void bind() {
GLES20.glBindBuffer(34962, 0);
GLES20.glVertexAttribPointer(this.location, this.size, 5126, false, 0, (Buffer) Assertions.checkNotNull(this.buffer, "call setBuffer before bind"));
GLES20.glEnableVertexAttribArray(this.index);
GlUtil.checkGlError();
}
}
private static final class Uniform {
private final int location;
public final String name;
private int texId;
private int texUnitIndex;
private final int type;
private final float[] value = new float[16];
public static Uniform create(int i, int i2) {
int i3 = i;
int[] iArr = new int[1];
GLES20.glGetProgramiv(i, 35719, iArr, 0);
int[] iArr2 = new int[1];
byte[] bArr = new byte[iArr[0]];
GLES20.glGetActiveUniform(i, i2, iArr[0], new int[1], 0, new int[1], 0, iArr2, 0, bArr, 0);
String str = new String(bArr, 0, GlProgram.getCStringLength(bArr));
return new Uniform(str, GlProgram.getUniformLocation(i, str), iArr2[0]);
}
private Uniform(String str, int i, int i2) {
this.name = str;
this.location = i;
this.type = i2;
}
public void setSamplerTexId(int i, int i2) {
this.texId = i;
this.texUnitIndex = i2;
}
public void setFloat(float f) {
this.value[0] = f;
}
public void setFloats(float[] fArr) {
System.arraycopy(fArr, 0, this.value, 0, fArr.length);
}
public void bind() {
switch (this.type) {
case 5126:
GLES20.glUniform1fv(this.location, 1, this.value, 0);
GlUtil.checkGlError();
return;
case 35664:
GLES20.glUniform2fv(this.location, 1, this.value, 0);
GlUtil.checkGlError();
return;
case 35665:
GLES20.glUniform3fv(this.location, 1, this.value, 0);
GlUtil.checkGlError();
return;
case 35675:
GLES20.glUniformMatrix3fv(this.location, 1, false, this.value, 0);
GlUtil.checkGlError();
return;
case 35676:
GLES20.glUniformMatrix4fv(this.location, 1, false, this.value, 0);
GlUtil.checkGlError();
return;
case 35678:
case GlProgram.GL_SAMPLER_EXTERNAL_2D_Y2Y_EXT /*35815*/:
case 36198:
if (this.texId != 0) {
GLES20.glActiveTexture(this.texUnitIndex + 33984);
GlUtil.checkGlError();
GlUtil.bindTexture(this.type == 35678 ? 3553 : 36197, this.texId);
GLES20.glUniform1i(this.location, this.texUnitIndex);
GlUtil.checkGlError();
return;
}
throw new IllegalStateException("No call to setSamplerTexId() before bind.");
default:
throw new IllegalStateException("Unexpected uniform type: " + this.type);
}
}
}
}
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