glSampleMaski — set the value of a sub-word of the sample mask
void glSampleMaski( | GLuint maskNumber, |
GLbitfield mask) ; |
maskNumber
Specifies which 32-bit sub-word of the sample mask to update.
mask
Specifies the new value of the mask sub-word.
glSampleMaski
sets one 32-bit sub-word of the multi-word sample mask, GL_SAMPLE_MASK_VALUE
.
maskIndex
specifies which 32-bit sub-word of the sample mask to update, and mask
specifies the new value to use for that sub-word. maskIndex
must be less than the value of GL_MAX_SAMPLE_MASK_WORDS
. Bit B of mask word M corresponds to sample 32 x M + B.
glSampleMaski
is available only if the GL version is 3.2 or greater, or if the ARB_texture_multisample
extension is supported.
glGet with argument GL_SAMPLE_MASK_VALUE
GL_INVALID_VALUE
is generated if maskIndex
is greater than or equal to the value of GL_MAX_SAMPLE_MASK_WORDS
.
OpenGL Version | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Function / Feature Name | 2.0 | 2.1 | 3.0 | 3.1 | 3.2 | 3.3 | 4.0 | 4.1 | 4.2 | 4.3 | 4.4 | 4.5 |
glSampleMaski | - | - | - | - | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Copyright © 2010-2014 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. https://opencontent.org/openpub/.