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Examples: SDL3: specify SDL_WINDOW_HIGH_PIXEL_DENSITY and make centering consistent + call SDL_RenderScale().

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ocornut
2025-05-05 20:04:12 +02:00
parent afd3a36f69
commit 46235e91f6
4 changed files with 9 additions and 6 deletions
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4
examples/example_sdl3_sdlrenderer3/main.cpp
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@@ -32,7 +32,7 @@ int main(int, char**)
}
// Create window with SDL_Renderer graphics context
Uint32 window_flags = SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN;
SDL_WindowFlags window_flags = SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN | SDL_WINDOW_HIGH_PIXEL_DENSITY;
SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL3+SDL_Renderer example", 1280, 720, window_flags);
if (window == nullptr)
{
@@ -164,7 +164,7 @@ int main(int, char**)
// Rendering
ImGui::Render();
//SDL_RenderSetScale(renderer, io.DisplayFramebufferScale.x, io.DisplayFramebufferScale.y);
SDL_SetRenderScale(renderer, io.DisplayFramebufferScale.x, io.DisplayFramebufferScale.y);
SDL_SetRenderDrawColorFloat(renderer, clear_color.x, clear_color.y, clear_color.z, clear_color.w);
SDL_RenderClear(renderer);
ImGui_ImplSDLRenderer3_RenderDrawData(ImGui::GetDrawData(), renderer);