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author | José Fonseca <jfonseca@vmware.com> | 2010-05-05 00:40:56 +0100 |
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committer | José Fonseca <jfonseca@vmware.com> | 2010-05-05 00:46:13 +0100 |
commit | ddb0e18f6c5582d4d2cc59ffd16ad9c4639ed059 (patch) | |
tree | 883babf9defff6f298b488cc0f9bca743ea47072 /src/gallium/auxiliary/draw/draw_pt_decompose.h | |
parent | dc1c33b448c830c5775e4f3fb6510830694a4177 (diff) | |
download | external_mesa3d-ddb0e18f6c5582d4d2cc59ffd16ad9c4639ed059.zip external_mesa3d-ddb0e18f6c5582d4d2cc59ffd16ad9c4639ed059.tar.gz external_mesa3d-ddb0e18f6c5582d4d2cc59ffd16ad9c4639ed059.tar.bz2 |
draw: Preserve the provoking vertex both when decomposing and clipping.
Based on John Lawless' feedback.
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_pt_decompose.h')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_pt_decompose.h | 25 |
1 files changed, 8 insertions, 17 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pt_decompose.h b/src/gallium/auxiliary/draw/draw_pt_decompose.h index 3c44f7c..02567d9 100644 --- a/src/gallium/auxiliary/draw/draw_pt_decompose.h +++ b/src/gallium/auxiliary/draw/draw_pt_decompose.h @@ -47,19 +47,10 @@ static void FUNC( ARGS, case PIPE_PRIM_TRIANGLES: for (i = 0; i+2 < count; i += 3) { - if (flatfirst) { - /* put provoking vertex in last pos for clipper */ - TRIANGLE( DRAW_PIPE_RESET_STIPPLE | DRAW_PIPE_EDGE_FLAG_ALL, - (i + 1), - (i + 2), - (i + 0 )); - } - else { - TRIANGLE( DRAW_PIPE_RESET_STIPPLE | DRAW_PIPE_EDGE_FLAG_ALL, - (i + 0), - (i + 1), - (i + 2 )); - } + TRIANGLE( DRAW_PIPE_RESET_STIPPLE | DRAW_PIPE_EDGE_FLAG_ALL, + (i + 0), + (i + 1), + (i + 2 )); } break; @@ -67,9 +58,9 @@ static void FUNC( ARGS, if (flatfirst) { for (i = 0; i+2 < count; i++) { TRIANGLE( DRAW_PIPE_RESET_STIPPLE | DRAW_PIPE_EDGE_FLAG_ALL, + (i + 0), (i + 1 + (i&1)), - (i + 2 - (i&1)), - (i + 0) ); + (i + 2 - (i&1)) ); } } else { @@ -87,9 +78,9 @@ static void FUNC( ARGS, if (flatfirst) { for (i = 0; i+2 < count; i++) { TRIANGLE( DRAW_PIPE_RESET_STIPPLE | DRAW_PIPE_EDGE_FLAG_ALL, + (i + 1), (i + 2), - 0, - (i + 1) ); + 0 ); } } else { |