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st/nine: Change comment relating to vertex shader inputs not matching declaration

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Reviewed-by: Tiziano Bacocco <tizbac2@gmail.com>
Signed-off-by: Axel Davy <axel.davy@ens.fr>
This commit is contained in:
Axel Davy 2015-01-05 16:26:27 +01:00 • committed by Emil Velikov
parent f8a74410f1
commit 77fcff37cf
1 changed files with 6 additions and 5 deletions
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11
src/gallium/state_trackers/nine/nine_state.c
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@ -214,11 +214,12 @@ update_vertex_elements(struct NineDevice9 *device)
if (state->stream_freq[b] & D3DSTREAMSOURCE_INSTANCEDATA)
ve[n].instance_divisor = state->stream_freq[b] & 0x7FFFFF;
} else {
/* TODO:
* If drivers don't want to handle this, insert a dummy buffer.
* But on which stream ?
*/
/* no data, disable */
/* TODO: msdn doesn't specify what should happen when the vertex
* declaration doesn't match the vertex shader inputs.
* Some websites say the code will pass but nothing will get rendered.
* We should check and implement the correct behaviour. */
/* Put PIPE_FORMAT_NONE.
* Some drivers (r300) are very unhappy with that */
ve[n].src_format = PIPE_FORMAT_NONE;
ve[n].src_offset = 0;
ve[n].instance_divisor = 0;