nouveau: avoid running out of relocs

- Added flush notify functions for NV30 and NV40.
- Flushing mid frame will call flush notify, which will resubmit all
relocs.
- We don't try to recover from reloc failure yet.

3 files changed, 13 insertions, 1 deletions

diff --git a/src/gallium/drivers/nv30/nv30_context.c b/src/gallium/drivers/nv30/nv30_context.c
index d8300fd69f..46a821a48b 100644
--- a/src/gallium/drivers/nv30/nv30_context.c
+++ b/src/gallium/drivers/nv30/nv30_context.c
@@ -58,6 +58,9 @@ nv30_create(struct pipe_screen *pscreen, unsigned pctx_id)
 	nv30->pipe.is_texture_referenced = nouveau_is_texture_referenced;
 	nv30->pipe.is_buffer_referenced = nouveau_is_buffer_referenced;
 
+	screen->base.channel->user_private = nv30;
+	screen->base.channel->flush_notify = nv30_state_flush_notify;
+
 	nv30_init_query_functions(nv30);
 	nv30_init_surface_functions(nv30);
 	nv30_init_state_functions(nv30);
diff --git a/src/gallium/drivers/nv30/nv30_context.h b/src/gallium/drivers/nv30/nv30_context.h
index 8d49366dfc..6f44b1c7fe 100644
--- a/src/gallium/drivers/nv30/nv30_context.h
+++ b/src/gallium/drivers/nv30/nv30_context.h
@@ -184,6 +184,7 @@ extern void nv30_fragtex_bind(struct nv30_context *);
 /* nv30_state.c and friends */
 extern boolean nv30_state_validate(struct nv30_context *nv30);
 extern void nv30_state_emit(struct nv30_context *nv30);
+extern void nv30_state_flush_notify(struct nouveau_channel *chan);
 extern struct nv30_state_entry nv30_state_rasterizer;
 extern struct nv30_state_entry nv30_state_scissor;
 extern struct nv30_state_entry nv30_state_stipple;
diff --git a/src/gallium/drivers/nv30/nv30_state_emit.c b/src/gallium/drivers/nv30/nv30_state_emit.c
index 621b8846c8..ac52d946f0 100644
--- a/src/gallium/drivers/nv30/nv30_state_emit.c
+++ b/src/gallium/drivers/nv30/nv30_state_emit.c
@@ -41,7 +41,7 @@ nv30_state_emit(struct nv30_context *nv30)
 	struct nouveau_channel *chan = nv30->screen->base.channel;
 	struct nv30_state *state = &nv30->state;
 	struct nv30_screen *screen = nv30->screen;
-	unsigned i, samplers;
+	unsigned i;
 	uint64_t states;
 
 	if (nv30->pctx_id != screen->cur_pctx) {
@@ -63,6 +63,14 @@ nv30_state_emit(struct nv30_context *nv30)
 	}
 
 	state->dirty = 0;
+}
+
+void
+nv30_state_flush_notify(struct nouveau_channel *chan)
+{
+	struct nv30_context *nv30 = chan->user_private;
+	struct nv30_state *state = &nv30->state;
+	unsigned i, samplers;
 
 	so_emit_reloc_markers(chan, state->hw[NV30_STATE_FB]);
 	for (i = 0, samplers = state->fp_samplers; i < 16 && samplers; i++) {