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Backends: SDL2: use SDL_Vulkan_GetDrawableSize with Vulkan instead of SDL_GL_GetDrawableSize #7967

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Backends: SDL2: use SDL_Vulkan_GetDrawableSize with Vulkan instead of SDL_GL_GetDrawableSize #7967

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7 changes: 7 additions & 0 deletions backends/imgui_impl_sdl2.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -112,6 +112,9 @@
#define SDL_HAS_CAPTURE_AND_GLOBAL_MOUSE 0
#endif
#define SDL_HAS_VULKAN SDL_VERSION_ATLEAST(2,0,6)
#if SDL_HAS_VULKAN
extern "C" { extern DECLSPEC void SDLCALL SDL_Vulkan_GetDrawableSize(SDL_Window* window, int* w, int* h); }
#endif

// SDL Data
struct ImGui_ImplSDL2_Data
Expand Down Expand Up @@ -760,6 +763,10 @@ void ImGui_ImplSDL2_NewFrame()
w = h = 0;
if (bd->Renderer != nullptr)
SDL_GetRendererOutputSize(bd->Renderer, &display_w, &display_h);
#if SDL_HAS_VULKAN
else if (SDL_GetWindowFlags(bd->Window) & SDL_WINDOW_VULKAN)
SDL_Vulkan_GetDrawableSize(bd->Window, &display_w, &display_h);
#endif
else
SDL_GL_GetDrawableSize(bd->Window, &display_w, &display_h);
io.DisplaySize = ImVec2((float)w, (float)h);
Expand Down