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Diffstat (limited to 'src/gallium/drivers/nv50/nv50_state_validate.c')
-rw-r--r--src/gallium/drivers/nv50/nv50_state_validate.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv50/nv50_state_validate.c b/src/gallium/drivers/nv50/nv50_state_validate.c
index 956a700615..a13d64b7fa 100644
--- a/src/gallium/drivers/nv50/nv50_state_validate.c
+++ b/src/gallium/drivers/nv50/nv50_state_validate.c
@@ -37,6 +37,14 @@ nv50_state_validate_fb(struct nv50_context *nv50)
struct pipe_framebuffer_state *fb = &nv50->framebuffer;
unsigned i, w, h, gw = 0;
+ /* Set nr of active RTs. Don't know what 0xfac6880 does, but
+ * at least 0x880 was required to draw to more than 1 RT.
+ * In some special cases, 0xfac6880 is not used, we probably
+ * don't hit any of these though.
+ */
+ so_method(so, tesla, 0x121c, 1);
+ so_data (so, 0x0fac6880 | fb->nr_cbufs);
+
for (i = 0; i < fb->nr_cbufs; i++) {
struct pipe_texture *pt = fb->cbufs[i]->texture;
struct nouveau_bo *bo = nv50_miptree(pt)->base.bo;
@@ -121,6 +129,9 @@ nv50_state_validate_fb(struct nv50_context *nv50)
so_data (so, fb->zsbuf->width);
so_data (so, fb->zsbuf->height);
so_data (so, 0x00010001);
+ } else {
+ so_method(so, tesla, 0x1538, 1);
+ so_data (so, 0);
}
so_method(so, tesla, NV50TCL_VIEWPORT_HORIZ, 2);