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authorJerome Glisse <jglisse@redhat.com>2009-08-17 12:46:34 +0200
committerJerome Glisse <jglisse@redhat.com>2009-08-17 12:50:27 +0200
commitc952c1f109960a50aebf5a6d6bf3cf1e005e0729 (patch)
treec5a893641ce02a791e6fbbec6865c7096a332c68
parent0204c7d8d712c1023b6d75f2f50b0e89d7777de8 (diff)
r300: split vbo rendering with big drawarray case
Split vbo rendering when the number of elements requested by drawarrays is bigger than 65536.
-rw-r--r--src/mesa/drivers/dri/r300/r300_render.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_render.c b/src/mesa/drivers/dri/r300/r300_render.c
index 369c3edcd0..45330cda3c 100644
--- a/src/mesa/drivers/dri/r300/r300_render.c
+++ b/src/mesa/drivers/dri/r300/r300_render.c
@@ -394,12 +394,23 @@ void r300RunRenderPrimitive(GLcontext * ctx, int start, int end, int prim)
}
} else {
- if (num_verts > 65535) {
- WARN_ONCE("Fixme: can't handle more then 65535 vertices");
+ GLuint first, incr, offset = 0;
+
+ if (!split_prim_inplace(prim & PRIM_MODE_MASK, &first, &incr) &&
+ num_verts > 65500) {
+ WARN_ONCE("Fixme: can't handle spliting prim %d\n", prim);
return;
}
- r300EmitAOS(rmesa, rmesa->radeon.tcl.aos_count, start);
- r300FireAOS(rmesa, num_verts, type);
+ r300_emit_scissor(rmesa->radeon.glCtx);
+ while (num_verts > 0) {
+ int nr;
+ nr = MIN2(num_verts, 65535);
+ nr -= (nr - first) % incr;
+ r300EmitAOS(rmesa, rmesa->radeon.tcl.aos_count, start + offset);
+ r300FireAOS(rmesa, nr, type);
+ num_verts -= nr;
+ offset += nr;
+ }
}
COMMIT_BATCH();
}