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st/mesa: only enable ARB_enhanced_layouts if there are xfb buffers 

It really doesn't make sense without any xfb support. One could limp
along, but our validation does not work as-is. Doesn't seem important to
support this use-case.

This disables GL_ARB_enhanced_layouts on crocus with gen4/5.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14869>
This commit is contained in:
Ilia Mirkin 2022-02-04 00:08:59 -05:00 committed by Marge Bot
parent 13c6f401cc
commit 86eaff29c0
1 changed files with 2 additions and 1 deletions
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3
src/mesa/state_tracker/st_extensions.c
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@ -1199,7 +1199,8 @@ void st_init_extensions(struct pipe_screen *screen,
extensions->EXT_gpu_shader4 = GL_TRUE;
extensions->EXT_texture_buffer_object = GL_TRUE;
if (screen->get_param(screen, PIPE_CAP_TGSI_ARRAY_COMPONENTS))
if (consts->MaxTransformFeedbackBuffers &&
screen->get_param(screen, PIPE_CAP_TGSI_ARRAY_COMPONENTS))
extensions->ARB_enhanced_layouts = GL_TRUE;
}