Mesa (gallium-0.2): nouveau: Update nv30 swizzling.

[Younes Manton]

Module: Mesa
Branch: gallium-0.2
Commit: 0b03cd4ea744c32f3f553f7af21c0241926998c8
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0b03cd4ea744c32f3f553f7af21c0241926998c8

Author: Younes Manton <younes.m at gmail.com>
Date:   Sat Jan 10 14:09:59 2009 -0500

nouveau: Update nv30 swizzling.

---

 src/gallium/drivers/nv30/nv30_miptree.c |    9 +++++----
 src/gallium/drivers/nv30/nv30_screen.c  |   10 +++++-----
 2 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/src/gallium/drivers/nv30/nv30_miptree.c b/src/gallium/drivers/nv30/nv30_miptree.c
index aa670b9..37d297c 100644
--- a/src/gallium/drivers/nv30/nv30_miptree.c
+++ b/src/gallium/drivers/nv30/nv30_miptree.c
@@ -21,7 +21,7 @@ nv30_miptree_layout(struct nv30_miptree *nv30mt)
 	} else {
 		nr_faces = 1;
 	}
-	
+
 	pitch = pt->width[0];
 	for (l = 0; l <= pt->last_level; l++) {
 		pt->width[l] = width;
@@ -76,13 +76,15 @@ nv30_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *pt)
 	if (pt->tex_usage & (PIPE_TEXTURE_USAGE_PRIMARY |
 	                     PIPE_TEXTURE_USAGE_DISPLAY_TARGET))
 		mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
+	else
+	if (pt->tex_usage & PIPE_TEXTURE_USAGE_DYNAMIC)
+		mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
 	else {
 		switch (pt->format) {
 		/* TODO: Figure out which formats can be swizzled */
 		case PIPE_FORMAT_A8R8G8B8_UNORM:
 		case PIPE_FORMAT_X8R8G8B8_UNORM:
-		/* XXX: Re-enable when SIFM size limits are fixed */
-		/*case PIPE_FORMAT_R16_SNORM:*/
+		case PIPE_FORMAT_R16_SNORM:
 			break;
 		default:
 			mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
@@ -192,4 +194,3 @@ nv30_screen_init_miptree_functions(struct pipe_screen *pscreen)
 	pscreen->get_tex_surface = nv30_miptree_surface_new;
 	pscreen->tex_surface_release = nv30_miptree_surface_del;
 }
-
diff --git a/src/gallium/drivers/nv30/nv30_screen.c b/src/gallium/drivers/nv30/nv30_screen.c
index d754892..29356e8 100644
--- a/src/gallium/drivers/nv30/nv30_screen.c
+++ b/src/gallium/drivers/nv30/nv30_screen.c
@@ -98,7 +98,7 @@ nv30_screen_surface_format_supported(struct pipe_screen *pscreen,
 	if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
 		switch (format) {
 		case PIPE_FORMAT_A8R8G8B8_UNORM:
-		case PIPE_FORMAT_R5G6B5_UNORM: 
+		case PIPE_FORMAT_R5G6B5_UNORM:
 		case PIPE_FORMAT_Z24S8_UNORM:
 		case PIPE_FORMAT_Z16_UNORM:
 			return TRUE;
@@ -110,7 +110,7 @@ nv30_screen_surface_format_supported(struct pipe_screen *pscreen,
 		case PIPE_FORMAT_A8R8G8B8_UNORM:
 		case PIPE_FORMAT_A1R5G5B5_UNORM:
 		case PIPE_FORMAT_A4R4G4B4_UNORM:
-		case PIPE_FORMAT_R5G6B5_UNORM: 
+		case PIPE_FORMAT_R5G6B5_UNORM:
 		case PIPE_FORMAT_L8_UNORM:
 		case PIPE_FORMAT_A8_UNORM:
 		case PIPE_FORMAT_I8_UNORM:
@@ -139,7 +139,8 @@ nv30_surface_map(struct pipe_screen *screen, struct pipe_surface *surface,
 
 		if (!mt->shadow_tex) {
 			unsigned old_tex_usage = surface->texture->tex_usage;
-			surface->texture->tex_usage = NOUVEAU_TEXTURE_USAGE_LINEAR;
+			surface->texture->tex_usage = NOUVEAU_TEXTURE_USAGE_LINEAR |
+			                              PIPE_TEXTURE_USAGE_DYNAMIC;
 			mt->shadow_tex = screen->texture_create(screen, surface->texture);
 			surface->texture->tex_usage = old_tex_usage;
 
@@ -326,7 +327,7 @@ nv30_screen_create(struct pipe_winsys *ws, struct nouveau_winsys *nvws)
 	so_data  (so, 3);
 	so_method(so, screen->rankine, 0x1450, 1);
 	so_data  (so, 0x00030004);
-	
+
 	/* NEW */
 	so_method(so, screen->rankine, 0x1e98, 1);
 	so_data  (so, 0);
@@ -382,4 +383,3 @@ nv30_screen_create(struct pipe_winsys *ws, struct nouveau_winsys *nvws)
 
 	return &screen->pipe;
 }
-