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st/mesa: enable OES_texture_buffer when all components available

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OES_texture_buffer combines bits from a number of desktop extensions.
When they're all available, turn it on.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Ilia Mirkin 2016-03-28 20:59:13 -04:00
parent 5e1aec6db0
commit 9286cbdd1e
1 changed files with 6 additions and 0 deletions
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6
src/mesa/state_tracker/st_extensions.c
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@ -1016,6 +1016,12 @@ void st_init_extensions(struct pipe_screen *screen,
PIPE_BIND_SAMPLER_VIEW);
}
extensions->OES_texture_buffer =
extensions->ARB_texture_buffer_object &&
extensions->ARB_texture_buffer_range &&
extensions->ARB_texture_buffer_object_rgb32 &&
extensions->ARB_shader_image_load_store;
/* Unpacking a varying in the fragment shader costs 1 texture indirection.
* If the number of available texture indirections is very limited, then we
* prefer to disable varying packing rather than run the risk of varying