wined3d: Store the viewport in the wined3d_stateblock_state structure.

dlls/wined3d/device.c

@@ -1926,10 +1926,7 @@ void CDECL wined3d_device_set_viewports(struct wined3d_device *device, unsigned
     }
 
     if (viewport_count)
-        memcpy(device->update_state->viewports, viewports, viewport_count * sizeof(*viewports));
-    else
-        memset(device->update_state->viewports, 0, sizeof(device->update_state->viewports));
-    device->update_state->viewport_count = viewport_count;
+        device->update_stateblock_state->viewport = viewports[0];
 
     /* Handle recording of state blocks */
     if (device->recording)
@@ -1939,6 +1936,12 @@ void CDECL wined3d_device_set_viewports(struct wined3d_device *device, unsigned
         return;
     }
 
+    if (viewport_count)
+        memcpy(device->state.viewports, viewports, viewport_count * sizeof(*viewports));
+    else
+        memset(device->state.viewports, 0, sizeof(device->state.viewports));
+    device->state.viewport_count = viewport_count;
+
     wined3d_cs_emit_set_viewports(device->cs, viewport_count, viewports);
 }
 
@@ -4523,6 +4526,7 @@ HRESULT CDECL wined3d_device_set_rendertarget_view(struct wined3d_device *device
         state->viewports[0].max_z = 1.0f;
         state->viewport_count = 1;
         wined3d_cs_emit_set_viewports(device->cs, 1, state->viewports);
+        device->stateblock_state.viewport = state->viewports[0];
 
         SetRect(&state->scissor_rects[0], 0, 0, view->width, view->height);
         state->scissor_rect_count = 1;

dlls/wined3d/stateblock.c

@@ -830,19 +830,12 @@ void CDECL wined3d_stateblock_capture(struct wined3d_stateblock *stateblock)
         stateblock->stateblock_state.material = state->material;
     }
 
-    assert(src_state->viewport_count <= 1);
-
     if (stateblock->changed.viewport
-            && (src_state->viewport_count != stateblock->state.viewport_count
-            || memcmp(src_state->viewports, stateblock->state.viewports,
-            src_state->viewport_count * sizeof(*stateblock->state.viewports))))
+            && memcmp(&state->viewport, &stateblock->stateblock_state.viewport, sizeof(state->viewport)))
     {
-        TRACE("Updating viewports.\n");
+        TRACE("Updating viewport.\n");
 
-        if ((stateblock->state.viewport_count = src_state->viewport_count))
-            memcpy(stateblock->state.viewports, src_state->viewports, sizeof(src_state->viewports));
-        else
-            memset(stateblock->state.viewports, 0, sizeof(*stateblock->state.viewports));
+        stateblock->stateblock_state.viewport = state->viewport;
     }
 
     if (stateblock->changed.scissorRect
@@ -1134,7 +1127,11 @@ void CDECL wined3d_stateblock_apply(const struct wined3d_stateblock *stateblock)
     }
 
     if (stateblock->changed.viewport)
-        wined3d_device_set_viewports(device, stateblock->state.viewport_count, stateblock->state.viewports);
+    {
+        state->viewport = stateblock->stateblock_state.viewport;
+
+        wined3d_device_set_viewports(device, 1, &stateblock->stateblock_state.viewport);
+    }
 
     if (stateblock->changed.scissorRect)
         wined3d_device_set_scissor_rects(device, stateblock->state.scissor_rect_count,

dlls/wined3d/wined3d_private.h

@@ -2989,6 +2989,7 @@ struct wined3d_stateblock_state
     struct wined3d_matrix transforms[HIGHEST_TRANSFORMSTATE + 1];
     struct wined3d_vec4 clip_planes[MAX_CLIP_DISTANCES];
     struct wined3d_material material;
+    struct wined3d_viewport viewport;
 };
 
 struct wined3d_device