2014/10/15 下午 10:09:37

iphone Programming Glossary: glbindframebufferoes

http://stackoverflow.com/questions/1024603/opengl-es-render-to-texture

32 pixelsHigh 32 contentSize CGSizeMake width height create framebuffer glGenFramebuffersOES 1 textureFrameBuffer glBindFramebufferOES GL_FRAMEBUFFER_OES textureFrameBuffer attach renderbuffer glFramebufferTexture2DOES GL_FRAMEBUFFER_OES GL_COLOR_ATTACHMENT0_OES.. glFramebufferTexture2DOES GL_FRAMEBUFFER_OES GL_COLOR_ATTACHMENT0_OES GL_TEXTURE_2D texture.name 0 unbind frame buffer glBindFramebufferOES GL_FRAMEBUFFER_OES 0 Every time I want to render to the texture I do glBindFramebufferOES GL_FRAMEBUFFER_OES textureFrameBuffer.. 0 unbind frame buffer glBindFramebufferOES GL_FRAMEBUFFER_OES 0 Every time I want to render to the texture I do glBindFramebufferOES GL_FRAMEBUFFER_OES textureFrameBuffer ... GL commands ... glBindFramebufferOES GL_FRAMEBUFFER_OES 0 About your question..

How to add a right button to a UINavigationController?

http://stackoverflow.com/questions/1219779/how-to-add-a-right-button-to-a-uinavigationcontroller

Can example “GLImageProcessing” work with multi filters

http://stackoverflow.com/questions/4375479/can-example-glimageprocessing-work-with-multi-filters

glMatrixMode GL_MODELVIEW glLoadIdentity glScalef wide high 1 glBindTexture GL_TEXTURE_2D Input.texID bind result fbo glBindFramebufferOES GL_FRAMEBUFFER_OES resultFBO glViewport 0 0 result.wide result.s result.high result.t glClear GL_COLOR_BUFFER_BIT glDisable.. GL_RGB_SCALE 1 glActiveTexture GL_TEXTURE0 process 3 adjust hue process 4 mask save to buffer bind system rbo glBindFramebufferOES GL_FRAMEBUFFER_OES SystemFBO glCheckError iphone opengl es share improve this question Using multitexturing it should.. glTexImage2D GL_TEXTURE_2D 0 GL_RGBA width height 0 GL_RGBA GL_UNSIGNED_BYTE NULL glGenFramebuffersOES 1 ResultFBO glBindFramebufferOES GL_FRAMEBUFFER_OES ResultFBO glFramebufferTexture2DOES GL_FRAMEBUFFER_OES GL_COLOR_ATTACHMENT0_OES GL_TEXTURE_2D ResultTexture..

GLImageProcessing Multiple Filters?

http://stackoverflow.com/questions/6425861/glimageprocessing-multiple-filters

glTexImage2D GL_TEXTURE_2D 0 GL_RGBA wide high 0 GL_RGBA GL_UNSIGNED_BYTE NULL glGenFramebuffersOES 1 ResultFBO glBindFramebufferOES GL_FRAMEBUFFER_OES ResultFBO glFramebufferTexture2DOES GL_FRAMEBUFFER_OES GL_COLOR_ATTACHMENT0_OES GL_TEXTURE_2D ResultTexture.. GL_FRAMEBUFFER_OES GL_COLOR_ATTACHMENT0_OES GL_TEXTURE_2D ResultTexture 0 bind the result FBO glBindFramebufferOES GL_FRAMEBUFFER_OES ResultFBO apply 1st filter glViewport 0 0 wide high filter mode .func flipquad val restore original frame.. apply 1st filter glViewport 0 0 wide high filter mode .func flipquad val restore original frame buffer object glBindFramebufferOES GL_FRAMEBUFFER_OES SystemFBO use ResultTexture as input for the 2nd filter glBindTexture GL_TEXTURE_2D ResultTexture apply..

Undo drawing in Paint Application

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

eraseBuffer NULL static NSUInteger eraseMax 64 NSUInteger vertexCount 0 count i EAGLContext setCurrentContext context glBindFramebufferOES GL_FRAMEBUFFER_OES viewFramebuffer Convert locations from Points to Pixels CGFloat scale 1.0 self.contentScaleFactor start.x..

Record the drawing as a m4v video file - OpenGL

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

NULL static NSUInteger vertexMax 64 NSUInteger vertexCount 0 count i EAGLContext setCurrentContext context glBindFramebufferOES GL_FRAMEBUFFER_OES viewFramebuffer Convert locations from Points to Pixels CGFloat scale self.contentScaleFactor start.x.. GL_RENDERBUFFER_OES Erases the screen void erase EAGLContext setCurrentContext context Clear the buffer glBindFramebufferOES GL_FRAMEBUFFER_OES viewFramebuffer glClearColor 0.0 0.0 0.0 0.0 glClear GL_COLOR_BUFFER_BIT Display the buffer glBindRenderbufferOES..