https://bugs.freedesktop.org/show_bug.cgi?id=107832
--- Comment #1 from Juan A. Suarez <[email protected]> ---
A patch to fix this landed in upstream:
commit 47e01e77d8b658606527f048cda786440f7fbe85
Author: Gert Wollny <[email protected]>
Date: Mon Sep 10 12:39:44 2018 +0200
mesa/texture: Also check for LA texture when querying intensity component
size
Gallium may pick L16A16_FLOAT to represent GL_INTENSITY16F if no intensity
format is provided by the driver. However, when calling
glGetTexLevelParameteriv(..., GL_TEXTURE_INTENSITY_SIZE, ...)
mesa will return a zero size because the actually used format has no
intensity channel and as a fallback only the sizes of the red/green
channels are checked.
Also checking for LA sizes in the allocated texture resolves this problem.
v2: Only check alpha channel size and return it (Marek)
L and A size are always the same in this case.
Fixes (on virgl):
ext_framebuffer_multisample-fast-clear GL_ARB_texture_float *
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107832
Signed-off-by: Gert Wollny <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
src/mesa/main/texparam.c | 5 +++++
1 file changed, 5 insertions(+)
Can you check if this fixes the problem?
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