Mesa (master): nv50: support non-normalized texture coords

[Ben Skeggs]

Module: Mesa
Branch: master
Commit: 6c1627a51c237428a79613fcda1412c4660780de
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=6c1627a51c237428a79613fcda1412c4660780de

Author: Ben Skeggs <bskeggs at redhat.com>
Date:   Sat Jun  6 10:57:19 2009 +1000

nv50: support non-normalized texture coords

---

 src/gallium/drivers/nv50/nv50_context.h        |    7 ++++++-
 src/gallium/drivers/nv50/nv50_state.c          |    6 ++++--
 src/gallium/drivers/nv50/nv50_state_validate.c |    4 ++--
 src/gallium/drivers/nv50/nv50_tex.c            |    9 ++++++---
 4 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/src/gallium/drivers/nv50/nv50_context.h b/src/gallium/drivers/nv50/nv50_context.h
index c3ffdcc..1a72baf 100644
--- a/src/gallium/drivers/nv50/nv50_context.h
+++ b/src/gallium/drivers/nv50/nv50_context.h
@@ -63,6 +63,11 @@ struct nv50_rasterizer_stateobj {
 	struct nouveau_stateobj *so;
 };
 
+struct nv50_sampler_stateobj {
+	bool normalized;
+	unsigned tsc[8];
+};
+
 struct nv50_miptree_level {
 	int *image_offset;
 	unsigned pitch;
@@ -141,7 +146,7 @@ struct nv50_context {
 	unsigned vtxbuf_nr;
 	struct pipe_vertex_element vtxelt[PIPE_MAX_ATTRIBS];
 	unsigned vtxelt_nr;
-	unsigned *sampler[PIPE_MAX_SAMPLERS];
+	struct nv50_sampler_stateobj *sampler[PIPE_MAX_SAMPLERS];
 	unsigned sampler_nr;
 	struct nv50_miptree *miptree[PIPE_MAX_SAMPLERS];
 	unsigned miptree_nr;
diff --git a/src/gallium/drivers/nv50/nv50_state.c b/src/gallium/drivers/nv50/nv50_state.c
index 9d41ef5..116866a 100644
--- a/src/gallium/drivers/nv50/nv50_state.c
+++ b/src/gallium/drivers/nv50/nv50_state.c
@@ -136,7 +136,8 @@ static void *
 nv50_sampler_state_create(struct pipe_context *pipe,
 			  const struct pipe_sampler_state *cso)
 {
-	unsigned *tsc = CALLOC(8, sizeof(unsigned));
+	struct nv50_sampler_stateobj *sso = CALLOC(1, sizeof(*sso));
+	unsigned *tsc = sso->tsc;
 	float limit;
 
 	tsc[0] = (0x00026000 |
@@ -209,7 +210,8 @@ nv50_sampler_state_create(struct pipe_context *pipe,
 	tsc[2] |= ((int)CLAMP(cso->max_lod, 0.0, 15.0) << 20) |
 		  ((int)CLAMP(cso->min_lod, 0.0, 15.0) << 8);
 
-	return (void *)tsc;
+	sso->normalized = cso->normalized_coords;
+	return (void *)sso;
 }
 
 static void
diff --git a/src/gallium/drivers/nv50/nv50_state_validate.c b/src/gallium/drivers/nv50/nv50_state_validate.c
index a0106fc..0caf4b4 100644
--- a/src/gallium/drivers/nv50/nv50_state_validate.c
+++ b/src/gallium/drivers/nv50/nv50_state_validate.c
@@ -295,12 +295,12 @@ viewport_uptodate:
 		so_data  (so, NV50_CB_TSC);
 		so_method(so, tesla, 0x40000f04, nv50->sampler_nr * 8);
 		for (i = 0; i < nv50->sampler_nr; i++)
-			so_datap (so, nv50->sampler[i], 8);
+			so_datap (so, nv50->sampler[i]->tsc, 8);
 		so_ref(so, &nv50->state.tsc_upload);
 		so_ref(NULL, &so);
 	}
 
-	if (nv50->dirty & NV50_NEW_TEXTURE)
+	if (nv50->dirty & (NV50_NEW_TEXTURE | NV50_NEW_SAMPLER))
 		nv50_tex_validate(nv50);
 
 	if (nv50->dirty & NV50_NEW_ARRAYS)
diff --git a/src/gallium/drivers/nv50/nv50_tex.c b/src/gallium/drivers/nv50/nv50_tex.c
index 8bb8139..8f553f5 100644
--- a/src/gallium/drivers/nv50/nv50_tex.c
+++ b/src/gallium/drivers/nv50/nv50_tex.c
@@ -27,7 +27,7 @@
 
 static int
 nv50_tex_construct(struct nv50_context *nv50, struct nouveau_stateobj *so,
-		   struct nv50_miptree *mt)
+		   struct nv50_miptree *mt, int unit)
 {
 	switch (mt->base.format) {
 	case PIPE_FORMAT_A8R8G8B8_UNORM:
@@ -120,7 +120,10 @@ nv50_tex_construct(struct nv50_context *nv50, struct nouveau_stateobj *so,
 
 	so_reloc(so, mt->bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_LOW |
 		     NOUVEAU_BO_RD, 0, 0);
-	so_data (so, 0xd0005000 | mt->bo->tile_mode << 22);
+	if (nv50->sampler[unit]->normalized)
+		so_data (so, 0xd0005000 | mt->bo->tile_mode << 22);
+	else
+		so_data (so, 0x5001d000 | mt->bo->tile_mode << 22);
 	so_data (so, 0x00300000);
 	so_data (so, mt->base.width[0]);
 	so_data (so, (mt->base.last_level << 28) |
@@ -145,7 +148,7 @@ nv50_tex_validate(struct nv50_context *nv50)
 	for (unit = 0; unit < nv50->miptree_nr; unit++) {
 		struct nv50_miptree *mt = nv50->miptree[unit];
 
-		if (nv50_tex_construct(nv50, so, mt)) {
+		if (nv50_tex_construct(nv50, so, mt, unit)) {
 			NOUVEAU_ERR("failed tex validate\n");
 			so_ref(NULL, &so);
 			return;