Comment # 6
on bug 106601
from wangjingbin
Looking OpenGL 3.0 spec, Section 4.4 Page 291,
The following base internal formats from table 3.15 are color-renderable:
ALPHA, RED, RG, RGB, and RGBA. The sized internal formats from table 3.16 that
have a color-renderable base internal format are also color-renderable. No
other formats, including compressed internal formats, are
color-renderable.
you can find it in table 3.15
Base Internal Format RGBA, Depth, and Stencil Values Internal Components
-------------------------------------------------------------------------------
RGB R,G,B R,G,B
It suggest that the RGB format is color-renderable.
you can find it in table 3.16
Sized Internal Format Base Internal Format R bits G bits B bits A
bits
shared bits
-------------------------------------------------------------------------------
RGB32F RGB f32 f32 f32
According to description, as Sized Internal Format the Base Internal format of
RGB32F is RGB, RGB format is color-renderable according to description of
table 3.15, So RGB32F should be color-renderable
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