[PATCH] nv50: correct zeta formats

[Christoph Bumiller]

What was Z24S8 before is actually S8Z24, and what we had for Z16
is actually X8Z24. Now, we also have the REAL Z24S8 and I added
Z32_FLOAT as well; most of the formats need different tile_flags.
---
 src/gallium/drivers/nv50/nv50_miptree.c        |    9 +++++++--
 src/gallium/drivers/nv50/nv50_screen.c         |    5 +++--
 src/gallium/drivers/nv50/nv50_state_validate.c |   11 ++++++++---
 3 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/src/gallium/drivers/nv50/nv50_miptree.c b/src/gallium/drivers/nv50/nv50_miptree.c
index 22465e0..c839279 100644
--- a/src/gallium/drivers/nv50/nv50_miptree.c
+++ b/src/gallium/drivers/nv50/nv50_miptree.c
@@ -42,9 +42,14 @@ nv50_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *tmp)
 	mt->base.screen = pscreen;
 
 	switch (pt->format) {
-	case PIPE_FORMAT_Z24X8_UNORM:
+	case PIPE_FORMAT_Z32_FLOAT:
+		tile_flags = 0x4800;
+		break;
 	case PIPE_FORMAT_Z24S8_UNORM:
-	case PIPE_FORMAT_Z16_UNORM:
+		tile_flags = 0x1800;
+		break;
+	case PIPE_FORMAT_X8Z24_UNORM:
+	case PIPE_FORMAT_S8Z24_UNORM:
 		tile_flags = 0x2800;
 		break;
 	default:
diff --git a/src/gallium/drivers/nv50/nv50_screen.c b/src/gallium/drivers/nv50/nv50_screen.c
index bdd449d..b4d6530 100644
--- a/src/gallium/drivers/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nv50/nv50_screen.c
@@ -44,9 +44,10 @@ nv50_screen_is_format_supported(struct pipe_screen *pscreen,
 	} else
 	if (tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL) {
 		switch (format) {
+		case PIPE_FORMAT_Z32_FLOAT:
 		case PIPE_FORMAT_Z24S8_UNORM:
-		case PIPE_FORMAT_Z24X8_UNORM:
-		case PIPE_FORMAT_Z16_UNORM:
+		case PIPE_FORMAT_X8Z24_UNORM:
+		case PIPE_FORMAT_S8Z24_UNORM:
 			return TRUE;
 		default:
 			break;
diff --git a/src/gallium/drivers/nv50/nv50_state_validate.c b/src/gallium/drivers/nv50/nv50_state_validate.c
index d313e9d..1edf741 100644
--- a/src/gallium/drivers/nv50/nv50_state_validate.c
+++ b/src/gallium/drivers/nv50/nv50_state_validate.c
@@ -92,13 +92,18 @@ nv50_state_validate_fb(struct nv50_context *nv50)
 		so_reloc (so, bo, fb->zsbuf->offset, NOUVEAU_BO_VRAM |
 			      NOUVEAU_BO_LOW | NOUVEAU_BO_RDWR, 0, 0);
 		switch (fb->zsbuf->format) {
+		case PIPE_FORMAT_Z32_FLOAT:
+			so_data(so, 0x0a);
+			break;
 		case PIPE_FORMAT_Z24S8_UNORM:
-		case PIPE_FORMAT_Z24X8_UNORM:
-			so_data(so, 0x16);
+			so_data(so, 0x14);
 			break;
-		case PIPE_FORMAT_Z16_UNORM:
+		case PIPE_FORMAT_X8Z24_UNORM:
 			so_data(so, 0x15);
 			break;
+		case PIPE_FORMAT_S8Z24_UNORM:
+			so_data(so, 0x16);
+			break;
 		default:
 			NOUVEAU_ERR("AIIII unknown format %s\n",
 				    pf_name(fb->zsbuf->format));
-- 
1.6.0.6


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