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SDL: Support high-dpi displays

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This commit is contained in:
Connor McLaughlin
2020-02-28 16:59:48 +10:00
parent a0a0cd48fa
commit ce31c85983
9 changed files with 148 additions and 48 deletions
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9
src/duckstation-sdl/imgui_impl_sdl.cpp
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@ -388,15 +388,6 @@ void ImGui_ImplSDL2_NewFrame(SDL_Window* window)
ImGuiIO& io = ImGui::GetIO();
IM_ASSERT(io.Fonts->IsBuilt() && "Font atlas not built! It is generally built by the renderer back-end. Missing call to renderer _NewFrame() function? e.g. ImGui_ImplOpenGL3_NewFrame().");
// Setup display size (every frame to accommodate for window resizing)
int w, h;
int display_w, display_h;
SDL_GetWindowSize(window, &w, &h);
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);
// Setup time step (we don't use SDL_GetTicks() because it is using millisecond resolution)
static Uint64 frequency = SDL_GetPerformanceFrequency();
Uint64 current_time = SDL_GetPerformanceCounter();