glActiveTexture — select active texture unit
void glActiveTexture(GLenum texture
Specifies which texture unit to make active. The number of texture units is implementation dependent, but must be at least 48.
texture must be one of
GL_TEXTUREi, where i ranges from 0 (
GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS - 1). The initial value is
glActiveTexture selects which texture unit subsequent texture state calls will affect. The number of texture units an implementation supports is implementation dependent, but must be at least 48.
GL_INVALID_ENUM is generated if
texture is not one of
GL_TEXTUREi, where i ranges from 0 to (
GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS - 1).
glGet with argument
glGenTextures, glBindTexture, glCompressedTexImage1D, glCompressedTexImage2D, glCompressedTexImage3D, glCompressedTexSubImage1D, glCompressedTexSubImage2D, glCompressedTexSubImage3D, glCopyTexImage1D, glCopyTexImage2D, glCopyTexSubImage1D, glCopyTexSubImage2D, glCopyTexSubImage3D, glDeleteTextures glIsTexture, glTexImage1D, glTexImage2D, glTexImage2DMultisample, glTexImage3D, glTexImage3DMultisample, glTexSubImage1D, glTexSubImage2D, glTexSubImage3D, glTexParameter,
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