Opengl全屏分辨率错误

我有一个全屏问题,纹理中的像素模糊在一起。问题不在于绘制图像,而是纹理本身的缩放,感觉到我可以看到纹理表中的相邻纹理彼此模糊,从而导致其他纹理中的部分纹理和随处可见的瑕疵。我不知道为什么会发生这种情况,从我的代码来看,没有明显的分辨率差异。

有人能帮我吗?我在这个问题上纠结了好一阵子。

设置全屏的代码:

public static final int WIDTH=256, HEIGHT=240;
public static int viewWidth, viewHeight, viewX, viewY;

public static void BeginSession(){

    Display.setTitle("Mega Man");

    try{
        Display.setDisplayMode(Display.getDisplayMode());
        Display.create();
    }catch(LWJGLException e){
        e.printStackTrace();
    }

    viewHeight=Display.getHeight();
    viewWidth=WIDTH*viewHeight/HEIGHT;

    Display.setVSyncEnabled(true);

    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho(0,WIDTH,HEIGHT,0,1,-1);
    glMatrixMode(GL_MODELVIEW);
    glEnable(GL_TEXTURE_2D);


    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    glEnable(GL11.GL_LINE_SMOOTH);
    glHint(GL11.GL_LINE_SMOOTH, GL_NICEST);

    glEnable(GL11.GL_POINT_SMOOTH);
    glHint(GL11.GL_POINT_SMOOTH, GL_NICEST);


    try{Display.setFullscreen(true);}catch(Exception e){}

    viewX=Display.getWidth()/2-viewWidth/2;
    viewY=Display.getHeight()/2-viewHeight/2;

    glViewport(viewX, viewY, viewWidth, viewHeight);
    //glViewport(viewX,viewY,WIDTH,HEIGHT);

    System.out.println("View Width: "+viewWidth+"\nView Height: "+viewHeight);

    textSpriteSheet = QuickLoad("Mega_Man_Font_8x8");
    highlightedTextSpriteSheet = QuickLoad("Mega_Man_Font_8x8_Yellow");
}

这是将图像渲染到屏幕的代码。

public static void DrawQuadTex(Texture tex, int x, int y, float width, float height, float texWidth, float texHeight, float subx, float suby, float subd, String mirror){

    if (tex==null){return;}
    if (mirror==null){mirror = "";}

    //subx, suby, and subd are to grab sprites from a sprite sheet. subd is the measure of both the width and length of the sprite, as only images with dimensions that are the same and are powers of 2 are properly displayed.

    int xinner = 0;
    int xouter = (int) width;
    int yinner = 0;
    int youter = (int) height;

    if (mirror.indexOf("h")>-1){
        xinner = xouter;
        xouter = 0;
    }

    if (mirror.indexOf("v")>-1){
        yinner = youter;
        youter = 0;
    }

    tex.bind();
    glTranslatef(x,y,0);

    glBegin(GL_QUADS);

    //top left
    glTexCoord2f((subx)/texWidth,(suby)/texHeight);
    glVertex2f(xinner,yinner);
    //top right
    glTexCoord2f((subx+subd)/texWidth,(suby)/texHeight);
    glVertex2f(xouter,yinner);
    //bottom right
    glTexCoord2f((subx+subd)/texWidth,(suby+subd)/texHeight);
    glVertex2f(xouter,youter);
    //bottom left
    glTexCoord2f((subx)/texWidth,(suby+subd)/texHeight);
    glVertex2f(xinner,youter);

    glEnd();

    glLoadIdentity();
}