From: Stephane Marchesin <marchesin@icps.u-strasbg.fr>
Date: Wed, 13 Jun 2007 22:44:16 +0000 (+0200)
Subject: nouveau: remove useless viewport xform with id matrix.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f6963f57d9d1e9bf630c05c1c89f188091b12fc5;p=mesa.git

nouveau: remove useless viewport xform with id matrix.
---

diff --git a/src/mesa/drivers/dri/nouveau/nv10_swtcl.c b/src/mesa/drivers/dri/nouveau/nv10_swtcl.c
index 3bc84d862d3..4576c1ede4d 100644
--- a/src/mesa/drivers/dri/nouveau/nv10_swtcl.c
+++ b/src/mesa/drivers/dri/nouveau/nv10_swtcl.c
@@ -392,15 +392,6 @@ static inline void nv10OutputVertexFormat(struct nouveau_context* nmesa)
 	int i;
 	int slots=0;
 	int total_size=0;
-	/* t_vertex_generic dereferences a NULL pointer if we
-	 * pass NULL as the vp transform...
-	 */
-	const GLfloat ident_vp[16] = {
-	   1.0, 0.0, 0.0, 0.0,
-	   0.0, 1.0, 0.0, 0.0,
-	   0.0, 0.0, 1.0, 0.0,
-	   0.0, 0.0, 0.0, 1.0
-	};
 
 	nmesa->vertex_attr_count = 0;
 	RENDERINPUTS_COPY(index, nmesa->render_inputs_bitset);
@@ -431,28 +422,20 @@ static inline void nv10OutputVertexFormat(struct nouveau_context* nmesa)
 		if (RENDERINPUTS_TEST(index, i))
 		{
 			slots=i+1;
-			if (i==_TNL_ATTRIB_POS)
-			{
-				/* special-case POS */
-				EMIT_ATTR(_TNL_ATTRIB_POS,EMIT_3F_VIEWPORT);
-			}
-			else
+			switch(attr_size[i])
 			{
-				switch(attr_size[i])
-				{
-					case 1:
-						EMIT_ATTR(i,EMIT_1F);
-						break;
-					case 2:
-						EMIT_ATTR(i,EMIT_2F);
-						break;
-					case 3:
-						EMIT_ATTR(i,EMIT_3F);
-						break;
-					case 4:
-						EMIT_ATTR(i,EMIT_4F);
-						break;
-				}
+				case 1:
+					EMIT_ATTR(i,EMIT_1F);
+					break;
+				case 2:
+					EMIT_ATTR(i,EMIT_2F);
+					break;
+				case 3:
+					EMIT_ATTR(i,EMIT_3F);
+					break;
+				case 4:
+					EMIT_ATTR(i,EMIT_4F);
+					break;
 			}
 			if (i==_TNL_ATTRIB_COLOR0)
 				nmesa->color_offset=total_size;
@@ -465,7 +448,7 @@ static inline void nv10OutputVertexFormat(struct nouveau_context* nmesa)
 	nmesa->vertex_size=_tnl_install_attrs( ctx,
 			nmesa->vertex_attrs, 
 			nmesa->vertex_attr_count,
-			ident_vp, 0 );
+			NULL, 0 );
 	assert(nmesa->vertex_size==total_size*4);
 
 	/*