Mesa (gallium-0.2): nv20: copy miptree flags from nv40
Pekka Paalanen
pq at kemper.freedesktop.org
Thu Feb 5 18:39:27 UTC 2009
Module: Mesa
Branch: gallium-0.2
Commit: e6372853c221a5d64494ce75a6a323c479c55a86
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e6372853c221a5d64494ce75a6a323c479c55a86
Author: Pekka Paalanen <pq at iki.fi>
Date: Thu Feb 5 20:12:04 2009 +0200
nv20: copy miptree flags from nv40
nv20_miptree_create() should set various flags.
Copy stuff over from nv40.
trivial/tri does not abort on nv04 swizzled copy anymore.
I still miss my triangle.
Signed-off-by: Pekka Paalanen <pq at iki.fi>
---
src/gallium/drivers/nv20/nv20_miptree.c | 31 +++++++++++++++++++++++++++++--
1 files changed, 29 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/nv20/nv20_miptree.c b/src/gallium/drivers/nv20/nv20_miptree.c
index 89a4058..c115568 100644
--- a/src/gallium/drivers/nv20/nv20_miptree.c
+++ b/src/gallium/drivers/nv20/nv20_miptree.c
@@ -79,6 +79,8 @@ nv20_miptree_create(struct pipe_screen *screen, const struct pipe_texture *pt)
{
struct pipe_winsys *ws = screen->winsys;
struct nv20_miptree *mt;
+ unsigned buf_usage = PIPE_BUFFER_USAGE_PIXEL |
+ NOUVEAU_BUFFER_USAGE_TEXTURE;
mt = MALLOC(sizeof(struct nv20_miptree));
if (!mt)
@@ -87,10 +89,35 @@ nv20_miptree_create(struct pipe_screen *screen, const struct pipe_texture *pt)
mt->base.refcount = 1;
mt->base.screen = screen;
+ /* Swizzled textures must be POT */
+ if (pt->width[0] & (pt->width[0] - 1) ||
+ pt->height[0] & (pt->height[0] - 1))
+ mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
+ else
+ 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:
+ case PIPE_FORMAT_R16_SNORM:
+ break;
+ default:
+ mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
+ }
+ }
+
+ if (pt->tex_usage & PIPE_TEXTURE_USAGE_DYNAMIC)
+ buf_usage |= PIPE_BUFFER_USAGE_CPU_READ_WRITE;
+
nv20_miptree_layout(mt);
- mt->buffer = ws->buffer_create(ws, 256, PIPE_BUFFER_USAGE_PIXEL,
- mt->total_size);
+ mt->buffer = ws->buffer_create(ws, 256, buf_usage, mt->total_size);
if (!mt->buffer) {
FREE(mt);
return NULL;
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