Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Use Vulkan drawable size for frame buffer scale when using SDL and Vulkan #3190

Closed
wants to merge 1 commit into from
+9 −1
Closed

Use Vulkan drawable size for frame buffer scale when using SDL and Vulkan #3190

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 9 additions & 1 deletion examples/imgui_impl_sdl.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,11 @@ static SDL_Cursor* g_MouseCursors[ImGuiMouseCursor_COUNT] = {};
static char* g_ClipboardTextData = NULL;
static bool g_MouseCanUseGlobalState = true;

// Forward Declarations
extern "C" {
extern DECLSPEC void SDLCALL SDL_Vulkan_GetDrawableSize(SDL_Window * window, int * w, int * h);
}

static const char* ImGui_ImplSDL2_GetClipboardText(void*)
{
if (g_ClipboardTextData)
Expand Down Expand Up @@ -348,7 +353,10 @@ void ImGui_ImplSDL2_NewFrame(SDL_Window* window)
int w, h;
int display_w, display_h;
SDL_GetWindowSize(window, &w, &h);
SDL_GL_GetDrawableSize(window, &display_w, &display_h);
if (SDL_GetWindowFlags(window) & SDL_WINDOW_VULKAN)
SDL_Vulkan_GetDrawableSize(window, &display_w, &display_h);
else
SDL_GL_GetDrawableSize(window, &display_w, &display_h);
io.DisplaySize = ImVec2((float)w, (float)h);
if (w > 0 && h > 0)
io.DisplayFramebufferScale = ImVec2((float)display_w / w, (float)display_h / h);
Expand Down