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demos: Allow Vulkan to determine the swapchain image count.

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We currently always use 3. That's not a bad choice, but doesn't take the
minImageCount/maxImageCount of the Vulkan implementation into account.
This commit is contained in:
Henri Verbeet
2025-06-06 11:57:19 +02:00
parent cea7b4e920
commit 14477b1066
Notes: Henri Verbeet 2025-06-10 18:06:56 +02:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1556
4 changed files with 70 additions and 43 deletions
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7
demos/demo_d3d12.h
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@@ -70,6 +70,7 @@ static inline void demo_window_cleanup(struct demo_window *window)
struct demo_swapchain
{
IDXGISwapChain3 *swapchain;
unsigned int buffer_count;
};
static inline void demo_cleanup(struct demo *demo)
@@ -162,6 +163,7 @@ static inline struct demo_swapchain *demo_swapchain_create(ID3D12CommandQueue *c
if (FAILED(hr))
goto fail;
swapchain->buffer_count = desc->buffer_count;
hr = IDXGISwapChain1_QueryInterface(swapchain1, &IID_IDXGISwapChain3, (void **)&swapchain->swapchain);
IDXGISwapChain1_Release(swapchain1);
if (FAILED(hr))
@@ -190,6 +192,11 @@ static inline ID3D12Resource *demo_swapchain_get_back_buffer(struct demo_swapcha
return buffer;
}
static inline unsigned int demo_swapchain_get_back_buffer_count(struct demo_swapchain *swapchain)
{
return swapchain->buffer_count;
}
static inline void demo_swapchain_present(struct demo_swapchain *swapchain)
{
IDXGISwapChain3_Present(swapchain->swapchain, 1, 0);