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authorIlia Mirkin <[email protected]>2015-05-09 13:25:51 -0400
committerIlia Mirkin <[email protected]>2015-05-09 13:36:23 -0400
commit7892210400e8f3bd14697c0a3dd56e98454a45df (patch)
tree248232a7e2b33cec18e453305c110633b2a0b5a8 /src/gallium/drivers/nouveau
parente9b1ea29bf1e8f09e83bd6358d0d2068053f09d4 (diff)
nvc0: reset the instanced elements state when doing blit using 3d engine
Since we update num_vtxelts here, we could otherwise end up with stale instancing information in the upper bits which wouldn't otherwise get reset. (Also we run the risk of the previous draw having set the first element as instanced.) This appears as one of the causes for the test pointed out in fdo#90363 to fail on nvc0. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=90363 Signed-off-by: Ilia Mirkin <[email protected]> Cc: [email protected]
Diffstat (limited to 'src/gallium/drivers/nouveau')
-rw-r--r--src/gallium/drivers/nouveau/nvc0/nvc0_surface.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_surface.c b/src/gallium/drivers/nouveau/nvc0/nvc0_surface.c
index 4404d8c1a74..a820de7259a 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_surface.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_surface.c
@@ -1152,6 +1152,12 @@ nvc0_blit_3d(struct nvc0_context *nvc0, const struct pipe_blit_info *info)
NVC0_3D_VERTEX_ATTRIB_FORMAT_SIZE_32 |
NVC0_3D_VERTEX_ATTRIB_FORMAT_CONST);
}
+ if (nvc0->state.instance_elts) {
+ nvc0->state.instance_elts = 0;
+ BEGIN_NVC0(push, NVC0_3D(MACRO_VERTEX_ARRAY_PER_INSTANCE), 2);
+ PUSH_DATA (push, n);
+ PUSH_DATA (push, 0);
+ }
nvc0->state.num_vtxelts = 2;
for (i = 0; i < info->dst.box.depth; ++i, z += dz) {