2014/10/15 下午 10:09:37

iphone Programming Glossary: glbindrenderbufferoes

Drawing into OpenGL ES framebuffer and getting UIImage from it on iPhone

http://stackoverflow.com/questions/10936157/drawing-into-opengl-es-framebuffer-and-getting-uiimage-from-it-on-iphone

1 framebuffer glBindFramebufferOES GL_FRAMEBUFFER_OES framebuffer glGenRenderbuffersOES 1 colorRenderbuffer glBindRenderbufferOES GL_RENDERBUFFER_OES colorRenderbuffer glRenderbufferStorageOES GL_RENDERBUFFER_OES GL_RGBA8_OES width height glFramebufferRenderbufferOES.. GL_COLOR_ATTACHMENT0_OES GL_RENDERBUFFER_OES colorRenderbuffer glGenRenderbuffersOES 1 depthRenderbuffer glBindRenderbufferOES GL_RENDERBUFFER_OES depthRenderbuffer glRenderbufferStorageOES GL_RENDERBUFFER_OES GL_DEPTH_COMPONENT16_OES width height.. glClear GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT trying to draw some primitive red line float line 0.5f 0.5f 0.5f 0.5f glBindRenderbufferOES GL_RENDERBUFFER_OES colorRenderbuffer should I do this glEnableClientState GL_VERTEX_ARRAY glVertexPointer 2 GL_FLOAT 0..

How make a game loop on the iPhone without using NSTimer

http://stackoverflow.com/questions/1351234/how-make-a-game-loop-on-the-iphone-without-using-nstimer

would look something like void drawView glBindFramebufferOES GL_FRAMEBUFFER_OES viewFramebuffer mFooModel render glBindRenderbufferOES GL_RENDERBUFFER_OES viewRenderbuffer context presentRenderbuffer GL_RENDERBUFFER_OES When using this technique mFooModel..

OpenGL ES render to texture, then draw texture

http://stackoverflow.com/questions/1649222/opengl-es-render-to-texture-then-draw-texture

the glBindFramebufferOES ... . attach depth buffer GLuint depthRenderbuffer glGenRenderbuffersOES 1 depthRenderbuffer glBindRenderbufferOES GL_RENDERBUFFER_OES depthRenderbuffer glRenderbufferStorageOES GL_RENDERBUFFER_OES GL_DEPTH_COMPONENT16_OES width height..

Draw to offscreen renderbuffer in OpenGL ES (iPhone)

http://stackoverflow.com/questions/1853551/draw-to-offscreen-renderbuffer-in-opengl-es-iphone

glBindFramebufferOES GL_FRAMEBUFFER_OES offscreenFramebuffer glGenRenderbuffersOES 1 offscreenRenderbuffer glBindRenderbufferOES GL_RENDERBUFFER_OES offscreenRenderbuffer glFramebufferRenderbufferOES GL_FRAMEBUFFER_OES GL_COLOR_ATTACHMENT0_OES GL_RENDERBUFFER_OES.. GL_VERTEX_ARRAY glVertexPointer 3 GL_FLOAT 0 vc glDrawArrays GL_LINES 0 4 glDisableClientState GL_VERTEX_ARRAY glBindRenderbufferOES GL_RENDERBUFFER_OES offscreenRenderbuffer context presentRenderbuffer GL_RENDERBUFFER_OES Doing it this way nothing is displayed..

OpenGL ES Simple Undo Last Drawing

http://stackoverflow.com/questions/2708055/opengl-es-simple-undo-last-drawing

the vertex array and draw this way glVertexPointer 2 GL_FLOAT 0 vertexBuffer glDrawArrays GL_POINTS 0 vertexCount glBindRenderbufferOES GL_RENDERBUFFER_OES viewRenderbuffer context presentRenderbuffer GL_RENDERBUFFER_OES How do I simple undo this last action..

Why is my EAGLVIew not rendering anymore in iOS 4.2?

http://stackoverflow.com/questions/4270320/why-is-my-eaglview-not-rendering-anymore-in-ios-4-2

1 _viewFramebuffer glGenRenderbuffersOES 1 _viewRenderbuffer glBindFramebufferOES GL_FRAMEBUFFER_OES _viewFramebuffer glBindRenderbufferOES GL_RENDERBUFFER_OES _viewRenderbuffer _context renderbufferStorage GL_RENDERBUFFER_OES fromDrawable CAEAGLLayer self.layer.. GL_RENDERBUFFER_HEIGHT_OES _backingHeight if _useDepthBuffer glGenRenderbuffersOES 1 _depthRenderbuffer glBindRenderbufferOES GL_RENDERBUFFER_OES _depthRenderbuffer glRenderbufferStorageOES GL_RENDERBUFFER_OES GL_DEPTH_COMPONENT16_OES _backingWidth..

OpenGL ES: Undo in a Pixel Painting App

http://stackoverflow.com/questions/6281789/opengl-es-undo-in-a-pixel-painting-app

point.length sizeof GL_FLOAT 2 glVertexPointer 2 GL_FLOAT 0 point.bytes glDrawArrays GL_POINTS 0 count display buffer glBindRenderbufferOES GL_RENDERBUFFER_OES viewRenderbuffer context presentRenderbuffer GL_RENDERBUFFER_OES other solution You can grab an image..

Changing pen width according writing speed

http://stackoverflow.com/questions/6490057/changing-pen-width-according-writing-speed

d vertexCount Render the vertex array glVertexPointer 2 GL_FLOAT 0 vertexBuffer glDrawArrays GL_POINTS 0 vertexCount glBindRenderbufferOES GL_RENDERBUFFER_OES viewRenderbuffer context presentRenderbuffer GL_RENDERBUFFER_OES But I receive this result with many..

Undo drawing in Paint Application

http://stackoverflow.com/questions/6689600/undo-drawing-in-paint-application

the vertex array glVertexPointer 2 GL_FLOAT 0 eraseBuffer glDrawArrays GL_POINTS 0 vertexCount Display the buffer glBindRenderbufferOES GL_RENDERBUFFER_OES viewRenderbuffer context presentRenderbuffer GL_RENDERBUFFER_OES at last restore the mixed mode glBlendFunc..

Save OpenGL Drawn item as a Image

http://stackoverflow.com/questions/9660723/save-opengl-drawn-item-as-a-image

the vertex array glVertexPointer 2 GL_FLOAT 0 vertexBuffer glDrawArrays GL_POINTS 0 vertexCount Display the buffer glBindRenderbufferOES GL_RENDERBUFFER_OES viewRenderbuffer context presentRenderbuffer GL_RENDERBUFFER_OES Erases the screen void erase EAGLContext.. GL_FRAMEBUFFER_OES viewFramebuffer glClearColor 0.0 0.0 0.0 0.0 glClear GL_COLOR_BUFFER_BIT Display the buffer glBindRenderbufferOES GL_RENDERBUFFER_OES viewRenderbuffer context presentRenderbuffer GL_RENDERBUFFER_OES The GL view is stored in the nib file...

Record the drawing as a m4v video file - OpenGL

http://stackoverflow.com/questions/9661259/record-the-drawing-as-a-m4v-video-file-opengl