opengl

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Using OpenGL shaders to plot 4D points in 2D in C++ [duplicate]

This question already has answers here: Closed 11 years ago. Possible Duplicate: Visualising 4D objects in OpenGL[详细]

2023-04-09 17:26 分类：问答
OpenGL - Fast Textured Quads?

I am trying to display as many textured quads as possible at random positions in the 3D space. In my experience so far, I cannot display even a couple of thousands of them without dropping the fps sig[详细]

2023-04-09 16:42 分类：问答
glutIdleFunc not calling idle function

I\'m creating a maze program, that randomly generates a path. I\'m using an idle function to calculate the next direction and shape of the path, but for some reason the idle function is not being call[详细]

2023-04-09 16:20 分类：问答
GL_CLAMP_TO_EDGE resize behavior with PythonMagick [closed]

Closed. This question is off-topic. It is not currently accepting answers. 开发者_开发知识库 Want to improve this question? Update the question so it's on-topic for Stack Overflow.[详细]

2023-04-09 15:23 分类：问答
OpenGL mipmapping: level outside the range?

I\'m going deeper on OpenGL texture mipmapping. I noticed in the specification that mipmap levels less than zero and greater than log2(maxSize) + 1 are allowed.[详细]

2023-04-09 14:29 分类：问答
OpenGL Extensions in Qt 4

it\'s possible enable/us开发者_开发知识库e OpenGL (specific version) in Qt 4 (on Desktop) or I have to use glew, etc?Rather than Glew you can include gl3.h, it\'s probably the simplest and most pain f[详细]

2023-04-09 14:27 分类：问答
Generating mip levels for a 2D texture array

I\'ve got a simple (I think) question about OpenGL texture arrays. I create my texture array with something like the following:[详细]

2023-04-09 11:54 分类：问答
EXC_BAD_ACCESS when using VBO

I\'ve made some rendering with out using VBO. Now i want to add VBO for more complex rendering. I\'m just creating a VBO now, keeping the old rendering as it was and i render nothing with VBO now. Her[详细]

2023-04-09 08:59 分类：问答
glutBitmapString() was not declared in this scope

when i try to plot some strings with the following code: // label min and max for current vector glRasterPos2f(nx+1,y1);[详细]

2023-04-09 07:58 分类：问答
Glsl mod vs Hlsl fmod

I\'ve implemented the spiral GLSL shader described in this question in HLSL, but the results are not the same.I think it\'s because of the mod function in GLSL that I\'ve translated to fmod in HLSL.I[详细]

2023-04-09 07:41 分类：问答