diff options
| -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 e64fcb12f56..803dd962b59 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); } |