diff options
| author | Patrice Mandin <pmandin@caramail.com> | 2007-02-16 19:54:55 +0100 |
|---|---|---|
| committer | Patrice Mandin <pmandin@caramail.com> | 2007-02-16 19:54:55 +0100 |
| commit | 9131536f00cca586be7dfc1cfbc47188c78e4920 (patch) | |
| tree | 9a217a73a73bffc0d42ec7ab62f3ba50076c9873 /src/mesa/drivers/dri/nouveau | |
| parent | 252d1de05430cbed532b5a716cbd7da0ee7dd0d1 (diff) | |
nouveau: nv10: rescale depth near and far
Diffstat (limited to 'src/mesa/drivers/dri/nouveau')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nv10_state.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv10_state.c b/src/mesa/drivers/dri/nouveau/nv10_state.c index e64fcb12f5..803dd962b5 100644 --- a/src/mesa/drivers/dri/nouveau/nv10_state.c +++ b/src/mesa/drivers/dri/nouveau/nv10_state.c @@ -187,9 +187,15 @@ static void nv10DepthMask(GLcontext *ctx, GLboolean flag) static void nv10DepthRange(GLcontext *ctx, GLclampd nearval, GLclampd farval) { nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); + + GLfloat depth_scale = 16777216.0; + if (ctx->DrawBuffer->_DepthBuffer->DepthBits == 16) { + depth_scale = 32768.0; + } + BEGIN_RING_CACHE(NvSub3D, NV10_TCL_PRIMITIVE_3D_DEPTH_RANGE_NEAR, 2); - OUT_RING_CACHEf(nearval); - OUT_RING_CACHEf(farval); + OUT_RING_CACHEf(nearval * depth_scale); + OUT_RING_CACHEf(farval * depth_scale); nv10ViewportScale(nmesa); } |