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authorMarek Olšák <[email protected]>2010-03-07 04:54:43 +0100
committerMarek Olšák <[email protected]>2010-03-09 04:51:43 +0100
commitf2b8f142674749f1b8f49938978493e0425f05fa (patch)
tree0f127f2ab7ceb3de23850c42cc62b8d78125baf2 /src/gallium/drivers/llvmpipe
parentdd8f5c33f3a54212a0d7d072cd75b321f5abcda8 (diff)
llvmpipe: quads never provoke the first vertex
Diffstat (limited to 'src/gallium/drivers/llvmpipe')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_setup_vbuf.c129
1 files changed, 36 insertions, 93 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_vbuf.c b/src/gallium/drivers/llvmpipe/lp_setup_vbuf.c
index 24291da91e4..671e74465c0 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup_vbuf.c
+++ b/src/gallium/drivers/llvmpipe/lp_setup_vbuf.c
@@ -231,57 +231,29 @@ lp_setup_draw(struct vbuf_render *vbr, const ushort *indices, uint nr)
break;
case PIPE_PRIM_QUADS:
- if (setup->flatshade_first) {
- for (i = 3; i < nr; i += 4) {
- setup->triangle( setup,
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-3], stride) );
- setup->triangle( setup,
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-0], stride),
- get_vert(vertex_buffer, indices[i-3], stride) );
- }
- }
- else {
- for (i = 3; i < nr; i += 4) {
- setup->triangle( setup,
- get_vert(vertex_buffer, indices[i-3], stride),
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
+ for (i = 3; i < nr; i += 4) {
+ setup->triangle( setup,
+ get_vert(vertex_buffer, indices[i-3], stride),
+ get_vert(vertex_buffer, indices[i-2], stride),
+ get_vert(vertex_buffer, indices[i-0], stride) );
- setup->triangle( setup,
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
- }
+ setup->triangle( setup,
+ get_vert(vertex_buffer, indices[i-2], stride),
+ get_vert(vertex_buffer, indices[i-1], stride),
+ get_vert(vertex_buffer, indices[i-0], stride) );
}
break;
case PIPE_PRIM_QUAD_STRIP:
- if (setup->flatshade_first) {
- for (i = 3; i < nr; i += 2) {
- setup->triangle( setup,
- get_vert(vertex_buffer, indices[i-0], stride),
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-3], stride));
- setup->triangle( setup,
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-0], stride),
- get_vert(vertex_buffer, indices[i-3], stride) );
- }
- }
- else {
- for (i = 3; i < nr; i += 2) {
- setup->triangle( setup,
- get_vert(vertex_buffer, indices[i-3], stride),
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
- setup->triangle( setup,
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-3], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
- }
+ for (i = 3; i < nr; i += 2) {
+ setup->triangle( setup,
+ get_vert(vertex_buffer, indices[i-3], stride),
+ get_vert(vertex_buffer, indices[i-2], stride),
+ get_vert(vertex_buffer, indices[i-0], stride) );
+ setup->triangle( setup,
+ get_vert(vertex_buffer, indices[i-1], stride),
+ get_vert(vertex_buffer, indices[i-3], stride),
+ get_vert(vertex_buffer, indices[i-0], stride) );
}
break;
@@ -415,57 +387,28 @@ lp_setup_draw_arrays(struct vbuf_render *vbr, uint start, uint nr)
break;
case PIPE_PRIM_QUADS:
- if (setup->flatshade_first) {
- for (i = 3; i < nr; i += 4) {
- setup->triangle( setup,
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-3, stride) );
- setup->triangle( setup,
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-0, stride),
- get_vert(vertex_buffer, i-3, stride) );
- }
- }
- else {
- for (i = 3; i < nr; i += 4) {
- setup->triangle( setup,
- get_vert(vertex_buffer, i-3, stride),
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-0, stride) );
- setup->triangle( setup,
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-0, stride) );
- }
+ for (i = 3; i < nr; i += 4) {
+ setup->triangle( setup,
+ get_vert(vertex_buffer, i-3, stride),
+ get_vert(vertex_buffer, i-2, stride),
+ get_vert(vertex_buffer, i-0, stride) );
+ setup->triangle( setup,
+ get_vert(vertex_buffer, i-2, stride),
+ get_vert(vertex_buffer, i-1, stride),
+ get_vert(vertex_buffer, i-0, stride) );
}
break;
case PIPE_PRIM_QUAD_STRIP:
- if (setup->flatshade_first) {
- for (i = 3; i < nr; i += 2) {
- setup->triangle( setup,
- get_vert(vertex_buffer, i-0, stride),
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-3, stride) );
- setup->triangle( setup,
-
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-0, stride),
- get_vert(vertex_buffer, i-3, stride) );
- }
- }
- else {
- for (i = 3; i < nr; i += 2) {
- setup->triangle( setup,
- get_vert(vertex_buffer, i-3, stride),
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-0, stride) );
- setup->triangle( setup,
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-3, stride),
- get_vert(vertex_buffer, i-0, stride) );
- }
+ for (i = 3; i < nr; i += 2) {
+ setup->triangle( setup,
+ get_vert(vertex_buffer, i-3, stride),
+ get_vert(vertex_buffer, i-2, stride),
+ get_vert(vertex_buffer, i-0, stride) );
+ setup->triangle( setup,
+ get_vert(vertex_buffer, i-1, stride),
+ get_vert(vertex_buffer, i-3, stride),
+ get_vert(vertex_buffer, i-0, stride) );
}
break;