diff options
| -rw-r--r-- | src/gallium/drivers/nouveau/nv30/nv30_state.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/gallium/drivers/nouveau/nv30/nv30_state.c b/src/gallium/drivers/nouveau/nv30/nv30_state.c index 64be1b78f79..708ba34c1e5 100644 --- a/src/gallium/drivers/nouveau/nv30/nv30_state.c +++ b/src/gallium/drivers/nouveau/nv30/nv30_state.c @@ -23,6 +23,7 @@ * */ +#include "util/u_format.h" #include "util/u_helpers.h" #include "util/u_inlines.h" @@ -360,6 +361,22 @@ nv30_set_framebuffer_state(struct pipe_context *pipe, nv30->framebuffer = *fb; nv30->dirty |= NV30_NEW_FRAMEBUFFER; + + /* Hardware can't handle different swizzled-ness or different blocksizes + * for zs and cbufs. If both are supplied and something doesn't match, + * blank out the zs for now so that at least *some* rendering can occur. + */ + if (fb->nr_cbufs > 0 && fb->zsbuf) { + struct nv30_miptree *color_mt = nv30_miptree(fb->cbufs[0]->texture); + struct nv30_miptree *zeta_mt = nv30_miptree(fb->zsbuf->texture); + + if (color_mt->swizzled != zeta_mt->swizzled || + (util_format_get_blocksize(fb->zsbuf->format) > 2) != + (util_format_get_blocksize(fb->cbufs[0]->format) > 2)) { + nv30->framebuffer.zsbuf = NULL; + debug_printf("Mismatched color and zeta formats, ignoring zeta.\n"); + } + } } static void |