From: Ben Skeggs <skeggsb@gmail.com>
Date: Mon, 24 Mar 2008 02:41:40 +0000 (+1100)
Subject: nv40: respect rasterizer cso bypass_clipping flag
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=799d3bce06e998e51ad8df6bcadeb41bd061801e;p=mesa.git

nv40: respect rasterizer cso bypass_clipping flag
---

diff --git a/src/gallium/drivers/nv40/nv40_context.h b/src/gallium/drivers/nv40/nv40_context.h
index 02ca20b8014..b50f6f8fefc 100644
--- a/src/gallium/drivers/nv40/nv40_context.h
+++ b/src/gallium/drivers/nv40/nv40_context.h
@@ -97,6 +97,7 @@ struct nv40_blend_state {
 struct nv40_state {
 	unsigned scissor_enabled;
 	unsigned stipple_enabled;
+	unsigned viewport_bypass;
 	unsigned fp_samplers;
 
 	uint64_t dirty;
diff --git a/src/gallium/drivers/nv40/nv40_state_viewport.c b/src/gallium/drivers/nv40/nv40_state_viewport.c
index 9e5c7a72a7f..1b6248e5b8e 100644
--- a/src/gallium/drivers/nv40/nv40_state_viewport.c
+++ b/src/gallium/drivers/nv40/nv40_state_viewport.c
@@ -5,8 +5,20 @@ nv40_state_viewport_validate(struct nv40_context *nv40)
 {
 	struct nouveau_stateobj *so = so_new(11, 0);
 	struct pipe_viewport_state *vpt = &nv40->viewport;
+	unsigned bypass;
 
-	if (nv40->render_mode == HW) {
+	if (nv40->render_mode == HW && !nv40->rasterizer->pipe.bypass_clipping)
+		bypass = 0;
+	else
+		bypass = 1;
+
+	if (nv40->state.hw[NV40_STATE_VIEWPORT] &&
+	    (bypass || !(nv40->dirty & NV40_NEW_VIEWPORT)) &&
+	    nv40->state.viewport_bypass == bypass)
+		return FALSE;
+	nv40->state.viewport_bypass = bypass;
+
+	if (!bypass) {
 		so_method(so, nv40->screen->curie,
 			  NV40TCL_VIEWPORT_TRANSLATE_X, 8);
 		so_data  (so, fui(vpt->translate[0]));
@@ -48,7 +60,7 @@ nv40_state_viewport_validate(struct nv40_context *nv40)
 struct nv40_state_entry nv40_state_viewport = {
 	.validate = nv40_state_viewport_validate,
 	.dirty = {
-		.pipe = NV40_NEW_VIEWPORT,
+		.pipe = NV40_NEW_VIEWPORT | NV40_NEW_RAST,
 		.hw = NV40_STATE_VIEWPORT
 	}
 };