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Examples: SDL+SDL_Renderer: Added call to SDL_RenderSetScale() to display is correct on a Retina display (albeit lower-res as our other unmodified examples). (#6121, #6065, #5931).

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ocornut 2023-01-31 15:49:54 +01:00
parent 867bdbecb3
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docs/CHANGELOG.txt
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@ -64,6 +64,8 @@ All changes:
- Examples: Win32: Fixed examples using RegisterClassW() since 1.89 to also call
DefWindowProcW() instead of DefWindowProc() so that title text are correctly converted
when application is compiled without /DUNICODE. (#5725, #5961, #5975) [@markreidvfx]
- Examples: SDL+SDL_Renderer: Added call to SDL_RenderSetScale() to display is correct on a
Retina display (albeit lower-res as our other unmodified examples). (#6121, #6065, #5931).
-----------------------------------------------------------------------

1
examples/example_sdl_sdlrenderer/main.cpp
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@ -143,6 +143,7 @@ int main(int, char**)
// Rendering
ImGui::Render();
SDL_RenderSetScale(renderer, io.DisplayFramebufferScale.x, io.DisplayFramebufferScale.y);
SDL_SetRenderDrawColor(renderer, (Uint8)(clear_color.x * 255), (Uint8)(clear_color.y * 255), (Uint8)(clear_color.z * 255), (Uint8)(clear_color.w * 255));
SDL_RenderClear(renderer);
ImGui_ImplSDLRenderer_RenderDrawData(ImGui::GetDrawData());