I need to create a HBITMAP from data returned by a glReadPixels() call: HDC hCompDC = CreateCompatibleDC(NULL);
Please correct me if I\'m wrong. When using vertex and pixel shaders, we usually provide the code to compute the output gl_position of the vertex shader.
How can i estimate the pose of a quadrilateral using OpenCV. I only need to de开发者_如何学Gotect a Rectangle on the frame..not all the quadrilaterals on the screenYes with correspondences between the
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I want to know if its possible to grab the contents of screen/surface painted via OpenGL? and how to do it?
It might be a very naive question but i am a bit stuck. I am writing my first opengl programme and I want to pick up the R value of a pixel, of a point that i got from mouse click.
Can somebody help me setting different texture types? (GL_LINEAR, GL_NEAREST, etc) I\'m usingthe slick-util lybrary with netbeans. The problem is that i can\'t set to different types.
Here is what i am trying to do. I have Three Classes: 1) CEngine 2) CLogManager 3) CWindowGL Ad1. This class \'does\' the tricky things to get the game engine going,
I have a class representing a vertex as follows: class Vertex { public: Vertex(void); ~Vertex(void); GLfloat x;
Is there a way to get the r开发者_C百科otation matrix which is generated by command glRotatef() in opengl?No, but you can get the current matrix with glGetFloatv. If you want just the rotation matrix,
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