通过glUniform1i设置纹理 [英] set the texture for by glUniform1i
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问题描述
我有一个关于如何通过glUniform1i设置纹理的问题.我已经看到类似下面的代码.
I have a question about how to set the texture by glUniform1i. I have seen code like below.
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, texture0);
glUniform1i(_textureUniform, 0);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, texture1);
glUniform1i(_textureUniform, 1);
这是否意味着，如果我在glUniform1i中使用数字i，那么我必须使用glActiveTexture(GL_TEXTURE **i** )吗?
Does it mean, if I use the number i in the glUniform1i, then I have to use glActiveTexture(GL_TEXTURE **i** )?
推荐答案
是的，您是正确的.采样器的统一值是指纹理单位，而不是纹理id.
Yes, you are correct. The uniform value for a sampler refers to the texture unit, not the texture id.
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