Method expandVbo

src/main/java/net/optifine/render/VboRegion.java:216–243

(int sizeMin)

    }

    private void expandVbo(int sizeMin)
    {
        int i;

        for (i = this.capacity * 6 / 4; i < sizeMin; i = i * 6 / 4)
        {
            ;
        }

        long j = this.toBytes(this.capacity);
        long k = this.toBytes(i);
        int l = OpenGlHelper.glGenBuffers();
        OpenGlHelper.glBindBuffer(OpenGlHelper.GL_ARRAY_BUFFER, l);
        OpenGlHelper.glBufferData(OpenGlHelper.GL_ARRAY_BUFFER, k, OpenGlHelper.GL_STATIC_DRAW);
        Config.checkGlError("Expand VBO");
        OpenGlHelper.glBindBuffer(OpenGlHelper.GL_ARRAY_BUFFER, 0);
        OpenGlHelper.glBindBuffer(OpenGlHelper.GL_COPY_READ_BUFFER, this.glBufferId);
        OpenGlHelper.glBindBuffer(OpenGlHelper.GL_COPY_WRITE_BUFFER, l);
        OpenGlHelper.glCopyBufferSubData(OpenGlHelper.GL_COPY_READ_BUFFER, OpenGlHelper.GL_COPY_WRITE_BUFFER, 0L, 0L, j);
        Config.checkGlError("Copy VBO: " + k);
        OpenGlHelper.glBindBuffer(OpenGlHelper.GL_COPY_READ_BUFFER, 0);
        OpenGlHelper.glBindBuffer(OpenGlHelper.GL_COPY_WRITE_BUFFER, 0);
        OpenGlHelper.glDeleteBuffers(this.glBufferId);
        this.bufferIndexVertex = Config.createDirectIntBuffer(i);
        this.bufferCountVertex = Config.createDirectIntBuffer(i);
        this.glBufferId = l;
        this.capacity = i;
    }

    public void bindBuffer()
    {