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lavapipe: use the component offset directly for xfb

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the mask is only indicative of the components being used, not the offset
from which they start

cc: mesa-stable

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24163>
This commit is contained in:
Mike Blumenkrantz
2023-07-14 12:19:45 -04:00
committed by Marge Bot
parent 59396eefe6
commit 330f728cc4
1 changed files with 1 additions and 1 deletions
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src/gallium/frontends/lavapipe/lvp_pipeline.c
+1 -1
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@@ -561,7 +561,7 @@ lvp_shader_xfb_init(struct lvp_shader *shader)
shader->stream_output.output[i].dst_offset = xfb_info->outputs[i].offset / 4;
shader->stream_output.output[i].register_index = output_mapping[xfb_info->outputs[i].location];
shader->stream_output.output[i].num_components = util_bitcount(xfb_info->outputs[i].component_mask);
shader->stream_output.output[i].start_component = ffs(xfb_info->outputs[i].component_mask) - 1;
shader->stream_output.output[i].start_component = xfb_info->outputs[i].component_offset;
shader->stream_output.output[i].stream = xfb_info->buffer_to_stream[xfb_info->outputs[i].buffer];
}