diff options
| -rw-r--r-- | src/gallium/state_trackers/nine/swapchain9.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/src/gallium/state_trackers/nine/swapchain9.c b/src/gallium/state_trackers/nine/swapchain9.c index 138e8816a05..6c22be24c7c 100644 --- a/src/gallium/state_trackers/nine/swapchain9.c +++ b/src/gallium/state_trackers/nine/swapchain9.c @@ -715,7 +715,7 @@ present( struct NineSwapChain9 *This, struct pipe_fence_handle *fence; HRESULT hr; struct pipe_blit_info blit; - int target_width, target_height, target_depth; + int target_width, target_height, target_depth, i; DBG("present: This=%p pSourceRect=%p pDestRect=%p " "pDirtyRegion=%p hDestWindowOverride=%p" @@ -753,6 +753,41 @@ present( struct NineSwapChain9 *This, ID3DPresent_GetWindowInfo(This->present, hDestWindowOverride, &target_width, &target_height, &target_depth); (void)target_depth; + /* Switch to using presentation buffers on window resize. + * Note: Most apps should resize the d3d back buffers when + * a window resize is detected, which will result in a call to + * NineSwapChain9_Resize. Thus everything will get released, + * and it will switch back to not using separate presentation + * buffers. */ + if (!This->present_buffers[0] && + (target_width != resource->width0 || target_height != resource->height0)) { + BOOL failure = false; + struct pipe_resource *new_resource[This->num_back_buffers]; + D3DWindowBuffer *new_handles[This->num_back_buffers]; + for (i = 0; i < This->num_back_buffers; i++) { + /* Note: if (!new_handles[i]), new_resource[i] + * gets released and contains NULL */ + create_present_buffer(This, target_width, target_height, &new_resource[i], &new_handles[i]); + if (!new_handles[i]) + failure = true; + } + if (failure) { + for (i = 0; i < This->num_back_buffers; i++) { + if (new_resource[i]) + pipe_resource_reference(&new_resource[i], NULL); + if (new_handles[i]) + D3DWindowBuffer_release(This, new_handles[i]); + } + } else { + for (i = 0; i < This->num_back_buffers; i++) { + D3DWindowBuffer_release(This, This->present_handles[i]); + This->present_handles[i] = new_handles[i]; + pipe_resource_reference(&This->present_buffers[i], new_resource[i]); + pipe_resource_reference(&new_resource[i], NULL); + } + } + } + pipe = NineDevice9_GetPipe(This->base.device); if (This->present_buffers[0]) { |