diff options
| author | Patrice Mandin <pmandin@caramail.com> | 2007-02-20 23:13:48 +0100 |
|---|---|---|
| committer | Patrice Mandin <pmandin@caramail.com> | 2007-02-20 23:13:48 +0100 |
| commit | 79870d100f90555b520af342cf59496236ff8f20 (patch) | |
| tree | 46439441f2994ef7c67e47674180ed813d5c98e9 /src/mesa | |
| parent | 102ad2e066b7a6fcd893db58c64ca685e49a3dfd (diff) | |
nouveau: nv10: also check ctx->DrawBuffer in nv10ViewportScale
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nv10_state.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv10_state.c b/src/mesa/drivers/dri/nouveau/nv10_state.c index 09fc07556d..e204eba6ba 100644 --- a/src/mesa/drivers/dri/nouveau/nv10_state.c +++ b/src/mesa/drivers/dri/nouveau/nv10_state.c @@ -41,13 +41,18 @@ static void nv10ViewportScale(nouveauContextPtr nmesa) GLuint h = ctx->Viewport.Height; GLfloat max_depth = (ctx->Viewport.Near + ctx->Viewport.Far) * 0.5; - switch (ctx->DrawBuffer->_DepthBuffer->DepthBits) { - case 16: - max_depth *= 32767.0; - break; - case 24: - max_depth *= 16777215.0; - break; + if (ctx->DrawBuffer) { + switch (ctx->DrawBuffer->_DepthBuffer->DepthBits) { + case 16: + max_depth *= 32767.0; + break; + case 24: + max_depth *= 16777215.0; + break; + } + } else { + /* Default to 24 bits range */ + max_depth *= 16777215.0; } BEGIN_RING_CACHE(NvSub3D, NV10_TCL_PRIMITIVE_3D_VIEWPORT_SCALE_X, 4); |