wined3d: Implemented WINED3DRS_DEPTHBIAS

[Vitaly Budovski]

wined3d: Implemented WINED3DRS_DEPTHBIAS

---

 dlls/wined3d/device.c |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)

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180620b3e3278af26a91e3830ec80c509684f356
diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index dd72818..f84f3e5 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -3809,7 +3809,24 @@ HRESULT WINAPI IWineD3DDeviceImpl_SetRen
     case WINED3DRS_COLORWRITEENABLE3 :
     case WINED3DRS_BLENDFACTOR :
     case WINED3DRS_SRGBWRITEENABLE :
+    {
+        FIXME("(%p)->(%d,%ld) not handled yet\n", This, State, Value);
+        break;
+    }
     case WINED3DRS_DEPTHBIAS :
+    {
+        if(Value) {
+            tmpvalue.d = Value;
+            glEnable(GL_POLYGON_OFFSET_FILL);
+            checkGLcall("glEnable(GL_POLYGON_OFFSET_FILL)");
+            glPolygonOffset(*((float*)&This->stateBlock->renderState[WINED3DRS_SLOPESCALEDEPTHBIAS]), tmpvalue.f);
+            checkGLcall("glPolygonOffset(...)");
+        } else {
+            glDisable(GL_POLYGON_OFFSET_FILL);
+            checkGLcall("glDisable(GL_POLYGON_OFFSET_FILL)");
+        }
+        break;
+    }
     case WINED3DRS_WRAP8 :
     case WINED3DRS_WRAP9 :
     case WINED3DRS_WRAP10 :
-- 
1.0.4