st/nine: Handle Window Occlusion
[mesa.git] / src / gallium / state_trackers / nine / swapchain9.c
index eb84d08eab076f899f82a788131f1c278eb2a336..5d05f1f46975c6236c7cd485da7f171a7cf78d62 100644 (file)
@@ -118,6 +118,14 @@ NineSwapChain9_Resize( struct NineSwapChain9 *This,
 
     DBG("This=%p pParams=%p\n", This, pParams);
     user_assert(pParams != NULL, E_POINTER);
+    user_assert(pParams->SwapEffect, D3DERR_INVALIDCALL);
+    user_assert((pParams->SwapEffect != D3DSWAPEFFECT_COPY) ||
+                (pParams->BackBufferCount <= 1), D3DERR_INVALIDCALL);
+    user_assert(pDevice->ex || pParams->BackBufferCount <= 3, D3DERR_INVALIDCALL);
+    user_assert(pDevice->ex ||
+                (pParams->SwapEffect == D3DSWAPEFFECT_FLIP) ||
+                (pParams->SwapEffect == D3DSWAPEFFECT_COPY) ||
+                (pParams->SwapEffect == D3DSWAPEFFECT_DISCARD), D3DERR_INVALIDCALL);
 
     DBG("pParams(%p):\n"
         "BackBufferWidth: %u\n"
@@ -145,11 +153,6 @@ NineSwapChain9_Resize( struct NineSwapChain9 *This,
         pParams->FullScreen_RefreshRateInHz,
         pParams->PresentationInterval);
 
-    if (pParams->SwapEffect == D3DSWAPEFFECT_COPY &&
-        pParams->BackBufferCount > 1) {
-        pParams->BackBufferCount = 1;
-    }
-
     if (pParams->BackBufferCount > 3) {
         pParams->BackBufferCount = 3;
     }
@@ -184,7 +187,9 @@ NineSwapChain9_Resize( struct NineSwapChain9 *This,
 
     /* Note: It is the role of the backend to fill if necessary
      * BackBufferWidth and BackBufferHeight */
-    ID3DPresent_SetPresentParameters(This->present, pParams, This->mode);
+    hr = ID3DPresent_SetPresentParameters(This->present, pParams, This->mode);
+    if (hr != D3D_OK)
+        return hr;
 
     /* When we have flip behaviour, d3d9 expects we get back the screen buffer when we flip.
      * Here we don't get back the initial content of the screen. To emulate the behaviour
@@ -588,13 +593,14 @@ handle_draw_cursor_and_hud( struct NineSwapChain9 *This, struct pipe_resource *r
             blit.src.box.width, blit.src.box.height,
             blit.dst.box.x, blit.dst.box.y);
 
+        blit.alpha_blend = TRUE;
         This->pipe->blit(This->pipe, &blit);
     }
 
     if (device->hud && resource) {
         hud_draw(device->hud, resource); /* XXX: no offset */
         /* HUD doesn't clobber stipple */
-        NineDevice9_RestoreNonCSOState(device, ~0x2);
+        nine_state_restore_non_cso(device);
     }
 }
 
@@ -705,10 +711,15 @@ present( struct NineSwapChain9 *This,
         blit.mask = PIPE_MASK_RGBA;
         blit.filter = PIPE_TEX_FILTER_NEAREST;
         blit.scissor_enable = FALSE;
+        blit.alpha_blend = FALSE;
 
         This->pipe->blit(This->pipe, &blit);
     }
 
+    /* The resource we present has to resolve fast clears
+     * if needed (and other things) */
+    This->pipe->flush_resource(This->pipe, resource);
+
     if (This->params.SwapEffect != D3DSWAPEFFECT_DISCARD)
         handle_draw_cursor_and_hud(This, resource);
 
@@ -734,12 +745,6 @@ bypass_rendering:
             return D3DERR_WASSTILLDRAWING;
     }
 
-    if (This->present_buffers)
-        resource = This->present_buffers[0];
-    else
-        resource = This->buffers[0]->base.resource;
-    This->pipe->flush_resource(This->pipe, resource);
-
     if (!This->enable_threadpool) {
         This->tasks[0]=NULL;
         fence = swap_fences_pop_front(This);
@@ -782,11 +787,24 @@ NineSwapChain9_Present( struct NineSwapChain9 *This,
     if (hr == D3DERR_WASSTILLDRAWING)
         return hr;
 
+    if (This->base.device->ex) {
+        if (NineSwapChain9_GetOccluded(This)) {
+            return S_PRESENT_OCCLUDED;
+        }
+    } else {
+        if (NineSwapChain9_GetOccluded(This)) {
+            This->base.device->device_needs_reset = TRUE;
+        }
+        if (This->base.device->device_needs_reset) {
+            return D3DERR_DEVICELOST;
+        }
+    }
+
     switch (This->params.SwapEffect) {
         case D3DSWAPEFFECT_FLIP:
             UNTESTED(4);
         case D3DSWAPEFFECT_DISCARD:
-            /* rotate the queue */;
+            /* rotate the queue */
             pipe_resource_reference(&res, This->buffers[0]->base.resource);
             for (i = 1; i <= This->params.BackBufferCount; i++) {
                 NineSurface9_SetResourceResize(This->buffers[i - 1],
@@ -836,7 +854,7 @@ NineSwapChain9_Present( struct NineSwapChain9 *This,
     ID3DPresent_WaitBufferReleased(This->present, This->present_handles[0]);
 
     This->base.device->state.changed.group |= NINE_STATE_FB;
-    nine_update_state(This->base.device, NINE_STATE_FB);
+    nine_update_state_framebuffer(This->base.device);
 
     return hr;
 }
@@ -857,6 +875,8 @@ NineSwapChain9_GetFrontBufferData( struct NineSwapChain9 *This,
     DBG("GetFrontBufferData: This=%p pDestSurface=%p\n",
         This, pDestSurface);
 
+    user_assert(dest_surface->base.pool == D3DPOOL_SYSTEMMEM, D3DERR_INVALIDCALL);
+
     width = dest_surface->desc.Width;
     height = dest_surface->desc.Height;
 
@@ -871,7 +891,7 @@ NineSwapChain9_GetFrontBufferData( struct NineSwapChain9 *This,
     desc.MultiSampleQuality = 0;
     desc.Width = width;
     desc.Height = height;
-    /* NineSurface9_CopySurface needs same format. */
+    /* NineSurface9_CopyDefaultToMem needs same format. */
     desc.Format = dest_surface->desc.Format;
     desc.Usage = D3DUSAGE_RENDERTARGET;
     hr = NineSurface9_new(pDevice, NineUnknown(This), temp_resource, NULL, 0,
@@ -884,7 +904,7 @@ NineSwapChain9_GetFrontBufferData( struct NineSwapChain9 *This,
 
     ID3DPresent_FrontBufferCopy(This->present, temp_handle);
 
-    NineSurface9_CopySurface(dest_surface, temp_surface, NULL, NULL);
+    NineSurface9_CopyDefaultToMem(dest_surface, temp_surface);
 
     ID3DPresent_DestroyD3DWindowBuffer(This->present, temp_handle);
     NineUnknown_Destroy(NineUnknown(temp_surface));
@@ -901,8 +921,9 @@ NineSwapChain9_GetBackBuffer( struct NineSwapChain9 *This,
     DBG("GetBackBuffer: This=%p iBackBuffer=%d Type=%d ppBackBuffer=%p\n",
         This, iBackBuffer, Type, ppBackBuffer);
     (void)user_error(Type == D3DBACKBUFFER_TYPE_MONO);
+    /* don't touch ppBackBuffer on error */
+    user_assert(ppBackBuffer != NULL, D3DERR_INVALIDCALL);
     user_assert(iBackBuffer < This->params.BackBufferCount, D3DERR_INVALIDCALL);
-    user_assert(ppBackBuffer != NULL, E_POINTER);
 
     NineUnknown_AddRef(NineUnknown(This->buffers[iBackBuffer]));
     *ppBackBuffer = (IDirect3DSurface9 *)This->buffers[iBackBuffer];
@@ -984,3 +1005,13 @@ NineSwapChain9_new( struct NineDevice9 *pDevice,
                           implicit, pPresent, pPresentationParameters,
                           pCTX, hFocusWindow, NULL);
 }
+
+BOOL
+NineSwapChain9_GetOccluded( struct NineSwapChain9 *This )
+{
+    if (This->base.device->minor_version_num > 0) {
+        return ID3DPresent_GetWindowOccluded(This->present);
+    }
+
+    return FALSE;
+}