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st/nine: Switch to presentation buffer if resize is detected

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This enables to match the window size
on resize on all cases, as it only works
currently with presentation buffers.

Signed-off-by: Axel Davy <davyaxel0@gmail.com>
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
This commit is contained in:
Axel Davy 2018-09-16 18:06:56 +02:00
parent c442dd7890
commit 1cc8192ad0
1 changed files with 36 additions and 1 deletions
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37
src/gallium/state_trackers/nine/swapchain9.c
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@ -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]) {