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2014/10/15 ¤U¤È 10:09:45

iphone Programming Glossary: gl_element_array_buffer

Use of VAO around VBO in Open ES iPhone app Causes EXC_BAD_ACCESS When Call to glDrawElements

http://stackoverflow.com/questions/6240863/use-of-vao-around-vbo-in-open-es-iphone-app-causes-exc-bad-access-when-call-to-g

Buffer Objects VBO . I setup my VBOs and VAOs like this void setupVBOs glBindBuffer GL_ARRAY_BUFFER 0 glBindBuffer GL_ELEMENT_ARRAY_BUFFER 0 glBindVertexArrayOES 0 glGenVertexArraysOES 1 directArrayObject glBindVertexArrayOES directArrayObject GLuint texCoordBuffer.. offsetof Vertex Color glEnableVertexAttribArray colorSlot GLuint indexBuffer glGenBuffers 1 indexBuffer glBindBuffer GL_ELEMENT_ARRAY_BUFFER indexBuffer glBufferData GL_ELEMENT_ARRAY_BUFFER sizeof Indices Indices GL_STATIC_DRAW glBindBuffer GL_ARRAY_BUFFER 0 glBindBuffer.. colorSlot GLuint indexBuffer glGenBuffers 1 indexBuffer glBindBuffer GL_ELEMENT_ARRAY_BUFFER indexBuffer glBufferData GL_ELEMENT_ARRAY_BUFFER sizeof Indices Indices GL_STATIC_DRAW glBindBuffer GL_ARRAY_BUFFER 0 glBindBuffer GL_ELEMENT_ARRAY_BUFFER 0 glBindVertexArrayOES..

iOS CVImageBuffer distorted from AVCaptureSessionDataOutput with AVCaptureSessionPresetPhoto

http://stackoverflow.com/questions/6540710/ios-cvimagebuffer-distorted-from-avcapturesessiondataoutput-with-avcapturesessio

GL_UNSIGNED_BYTE CVPixelBufferGetBaseAddress cameraFrame glBindBuffer GL_ARRAY_BUFFER self vertexBuffer glBindBuffer GL_ELEMENT_ARRAY_BUFFER self indexBuffer glDrawElements GL_TRIANGLE_STRIP 4 GL_UNSIGNED_SHORT BUFFER_OFFSET 0 glBindBuffer GL_ARRAY_BUFFER 0 glBindBuffer.. glDrawElements GL_TRIANGLE_STRIP 4 GL_UNSIGNED_SHORT BUFFER_OFFSET 0 glBindBuffer GL_ARRAY_BUFFER 0 glBindBuffer GL_ELEMENT_ARRAY_BUFFER 0 self context presentRenderbuffer GL_RENDERBUFFER glDeleteTextures 1 videoFrameTexture_ CVPixelBufferUnlockBaseAddress..