Strange behaviour when using rgba textures

OpenGL
1

Hi,

is this normal, that textures created using glTexImage2D, with the format GL_RGBA of unsigned byte, with each pixel in texture data is set to (0, 0, 0, 0), is displaying as white?

If I change every color pixel in texture data to (0, 0, 0, 255), then they are displayed as black!

i have disabled light, blend, color_material…

2

Try:
glTexEnv (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);

3

still not working:/ texture is white

4

If you have mip-mapping enabled, ensure you supply the entire mip chain.

5

If (255, 0, 0, 255) displays red then its just the alpha channel. What are you trying to do?

6

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