st/nine: Handle Window Occlusion

[mesa.git] / src / gallium / state_trackers / nine / device9.c

diff --git a/src/gallium/state_trackers/nine/device9.c b/src/gallium/state_trackers/nine/device9.c
index 6cd7099981df9abecc0e3f41bb93a3c4b33f79bc..cb6c813b650a9fff8d45b172883ba6cdc7d1f189 100644 (file)
--- a/src/gallium/state_trackers/nine/device9.c
+++ b/src/gallium/state_trackers/nine/device9.c
@@ -81,7 +81,7 @@ static void nine_setup_fpu(void)
 
 #endif
 
-static void
+void
 NineDevice9_SetDefaultState( struct NineDevice9 *This, boolean is_reset )
 {
     struct NineSurface9 *refSurf = NULL;
@@ -527,7 +527,14 @@ NineDevice9_ResumeRecording( struct NineDevice9 *This )
 HRESULT WINAPI
 NineDevice9_TestCooperativeLevel( struct NineDevice9 *This )
 {
-    return D3D_OK; /* TODO */
+    if (NineSwapChain9_GetOccluded(This->swapchains[0])) {
+        This->device_needs_reset = TRUE;
+        return D3DERR_DEVICELOST;
+    } else if (This->device_needs_reset) {
+        return D3DERR_DEVICENOTRESET;
+    }
+
+    return D3D_OK;
 }
 
 UINT WINAPI
@@ -766,11 +773,16 @@ NineDevice9_Reset( struct NineDevice9 *This,
 
     DBG("This=%p pPresentationParameters=%p\n", This, pPresentationParameters);
 
+    if (NineSwapChain9_GetOccluded(This->swapchains[0])) {
+        This->device_needs_reset = TRUE;
+        return D3DERR_DEVICELOST;
+    }
+
     for (i = 0; i < This->nswapchains; ++i) {
         D3DPRESENT_PARAMETERS *params = &pPresentationParameters[i];
         hr = NineSwapChain9_Resize(This->swapchains[i], params, NULL);
         if (hr != D3D_OK)
-            return hr;
+            break;
     }
 
     nine_pipe_context_clear(This);
@@ -781,6 +793,7 @@ NineDevice9_Reset( struct NineDevice9 *This,
         This, 0, (IDirect3DSurface9 *)This->swapchains[0]->buffers[0]);
     /* XXX: better use GetBackBuffer here ? */
 
+    This->device_needs_reset = (hr != D3D_OK);
     return hr;
 }