How to load and bind a texture?

OpenGL
1

Hey,
i want my shaders to set a texture on an object. but i don’t know how to load a texture and bind it to my shaders. I read a bit in the internet but i got confused. I hope someone can help me. Thanks for all

2

glUniform1i() - you specify which texture-unit slot to use (0…15).
glActiveTexture(…)
glBindTexture(GL_TEXTURE_2D,…)

3

Thanks for your fast answer. This is how I’d do it now.

glUniform1iARB((glGetUniformLocationARB(program,“EarthTexture”),0);
glActiveTextureARB(GL_TEXTURE0_ARB);
glBindTexture(GL_TEXTURE_2D,???);

But I don’t know what I am suppose to write in BindTexture. I read that it has to be an integer. I mean, I have to load it somewhere, or does this happen with the specification of the texture unit. Hope you understand my confusion

4

You need to pass texture ID there. Read the manual…

5

The texture handle (for your “earth texture”). You got it from glGenTextures. And you had to bind it to specify texture data for it (e.g. through glTexImage2D, etc.)

6

Gee, thank you all. I got it know!

7

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