OpenGL ES 1.1不会渲染纹理？

Question

对，我发布了一个类似的问题，我试图完全重建文件，现在发生的是纹理根本不渲染。图像是512x512。出于某种原因，纹理可以在模拟器上运行，但不能运行在iPod上。

在一个名为EAGLView的类中，有beginDraw和finishDraw，它们在我的游戏循环的开始和结束时被调用。当我创建视图时调用布局子视图。

-(void)beginDraw 
{ 
    // Make sure that you are drawing to the current context 
    [EAGLContext setCurrentContext:context]; 
    glBindFramebufferOES(GL_FRAMEBUFFER_OES, viewFramebuffer); 
    // make sure we are in model matrix mode and clear the frame 
    glMatrixMode(GL_MODELVIEW); 
    glClear(GL_COLOR_BUFFER_BIT); 
    // set a clean transform 
    glLoadIdentity(); 
} 

-(void)finishDraw 
{ 
    glBindRenderbufferOES(GL_RENDERBUFFER_OES, viewRenderbuffer); 
    [context presentRenderbuffer:GL_RENDERBUFFER_OES]; 
} 

- (void)layoutSubviews 
{ 
    [EAGLContext setCurrentContext:context]; 
    [self destroyFramebuffer]; 
    [self createFramebuffer]; 
    [self setupViewLandscape]; 
} 

- (BOOL)createFramebuffer {  
    glGenFramebuffersOES(1, &viewFramebuffer); 
    glGenRenderbuffersOES(1, &viewRenderbuffer); 

    glBindFramebufferOES(GL_FRAMEBUFFER_OES, viewFramebuffer); 
    glBindRenderbufferOES(GL_RENDERBUFFER_OES, viewRenderbuffer); 

    [context renderbufferStorage:GL_RENDERBUFFER_OES fromDrawable:(CAEAGLLayer*)self.layer]; 
    glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, viewRenderbuffer); 

    glGetRenderbufferParameterivOES(GL_RENDERBUFFER_OES, GL_RENDERBUFFER_WIDTH_OES, &backingWidth); 
    glGetRenderbufferParameterivOES(GL_RENDERBUFFER_OES, GL_RENDERBUFFER_HEIGHT_OES, &backingHeight); 

    if (USE_DEPTH_BUFFER) { 
     glGenRenderbuffersOES(1, &depthRenderbuffer); 
     glBindRenderbufferOES(GL_RENDERBUFFER_OES, depthRenderbuffer); 
     glRenderbufferStorageOES(GL_RENDERBUFFER_OES, GL_DEPTH_COMPONENT16_OES, backingWidth, backingHeight); 
     glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, depthRenderbuffer); 
    } 

    if(glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES) != GL_FRAMEBUFFER_COMPLETE_OES) { 
     NSLog(@"failed to make complete framebuffer object %x", glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES)); 
     return NO; 
    } 

    return YES; 
} 

我texturedQuad Render方法

-(void)render 
{ 
    glVertexPointer(vertexSize, GL_FLOAT, 0, vertexes); 
    glEnableClientState(GL_VERTEX_ARRAY); 
    glColorPointer(colorSize, GL_FLOAT, 0, colors); 
    glEnableClientState(GL_COLOR_ARRAY);  

    if (materialKey != nil) { 
     [[MaterialController sharedMaterialController] bindMaterial:materialKey]; 

     glEnableClientState(GL_TEXTURE_COORD_ARRAY); 
     glTexCoordPointer(2, GL_FLOAT, 0, uvCoordinates); 
    } 
    //render 
    glDrawArrays(renderStyle, 0, vertexCount); 
} 

而且这里是bindMaterial方法：

-(void)bindMaterial:(NSString*)materialKey 
{ 
    NSNumber *numberObj = [materialLibrary objectForKey:materialKey]; 
    if (numberObj == nil) return; 
    GLuint textureID = [numberObj unsignedIntValue]; 

    glEnable(GL_TEXTURE_2D); 
    glBindTexture(GL_TEXTURE_2D, textureID); 
} 

当我的场景对象被渲染它被称为： （TexturedQuad是网格的一个子类）

-(void)render 
{ 
    if (!mesh || !active) return; // if we do not have a mesh, no need to render 
    // clear the matrix 
    glPushMatrix(); 
    glLoadIdentity(); 
    glMultMatrixf(matrix); 
    [mesh render]; 
    glPopMatrix(); 
} 

而且最后我的测试类：当对象被添加到场景

-(void)awake 
{ 
    self.mesh = [[MaterialController sharedMaterialController] quadFromAtlasKey:@"boxNotSelected"]; 
    self.scale = BBPointMake(50.0, 50.0, 1.0); 
} 

感谢您抽出宝贵的时间，如果你提供任何帮助，阅读此，感谢 清醒称为=]

Answer 1

答案竟然是即使我的纹理被称为menuAtlas无论在文件管理器在侧面和代码它不会工作，所以改变这两个mA工作。我不明白为什么，但我怀疑它涉及与缓存有关的事情。

Answer 2

你在任何地方拨打任何电话给glTexParameter，并且您是否正在创建mip地图？它可能就是GPU正在抽取一个你没有提供的地图。如果将MIN_FILTER设置为GL_NEAREST或GL_LINEAR，会发生什么情况？