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panfrost: Make attribute-buffer map explicit

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This helps decouple the attribute and attribute buffer emission.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6326>
This commit is contained in:
Alyssa Rosenzweig 2020-08-14 12:09:05 -04:00 • committed by Marge Bot
parent 9cc81ea0c2
commit 8236fa3ff1
1 changed files with 3 additions and 5 deletions
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8
src/gallium/drivers/panfrost/pan_cmdstream.c
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@ -1348,6 +1348,7 @@ panfrost_emit_vertex_data(struct panfrost_batch *batch,
* vertex buffer mask and instancing. Twice as much room is allocated,
* for a worst case of NPOT_DIVIDEs which take up extra slot */
union mali_attr attrs[PIPE_MAX_ATTRIBS * 2];
unsigned attrib_to_buffer[PIPE_MAX_ATTRIBS] = { 0 };
unsigned k = 0;
for (unsigned i = 0; i < so->num_elements; ++i) {
@ -1358,11 +1359,7 @@ panfrost_emit_vertex_data(struct panfrost_batch *batch,
struct pipe_vertex_element *elem = &so->pipe[i];
unsigned vbi = elem->vertex_buffer_index;
/* The exception to 1:1 mapping is that we can have multiple
* entries (NPOT divisors), so we fixup anyways */
so->hw[i].index = k;
attrib_to_buffer[i] = k;
if (!(ctx->vb_mask & (1 << vbi)))
continue;
@ -1470,6 +1467,7 @@ panfrost_emit_vertex_data(struct panfrost_batch *batch,
src_offset -= buf->stride * start;
so->hw[i].src_offset = src_offset;
so->hw[i].index = attrib_to_buffer[i];
}