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Updated the documentation for SDL_GetRenderLogicalPresentation()

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Fixes https://github.com/libsdl-org/SDL/issues/13791
This commit is contained in:
Sam Lantinga 2025-09-06 11:21:36 -07:00
parent d03f3e11f6
commit fb2daa2f5f
2 changed files with 11 additions and 6 deletions
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8
include/SDL3/SDL_render.h
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@ -1477,15 +1477,15 @@ extern SDL_DECLSPEC bool SDLCALL SDL_SetRenderLogicalPresentation(SDL_Renderer *
* Get device independent resolution and presentation mode for rendering.
*
* This function gets the width and height of the logical rendering output, or
* the output size in pixels if a logical resolution is not enabled.
* 0 if a logical resolution is not enabled.
*
* Each render target has its own logical presentation state. This function
* gets the state for the current render target.
*
* \param renderer the rendering context.
* \param w an int to be filled with the width.
* \param h an int to be filled with the height.
* \param mode the presentation mode used.
* \param w an int filled with the logical presentation width.
* \param h an int filled with the logical presentation height.
* \param mode a variable filled with the logical presentation mode being used.
* \returns true on success or false on failure; call SDL_GetError() for more
* information.
*

9
src/render/SDL_render.c
View file

@ -2757,9 +2757,14 @@ bool SDL_SetRenderLogicalPresentation(SDL_Renderer *renderer, int w, int h, SDL_
CHECK_RENDERER_MAGIC(renderer, false);
SDL_RenderViewState *view = renderer->view;
if (mode == SDL_LOGICAL_PRESENTATION_DISABLED) {
view->logical_w = 0;
view->logical_h = 0;
} else {
view->logical_w = w;
view->logical_h = h;
}
view->logical_presentation_mode = mode;
view->logical_w = w;
view->logical_h = h;
UpdateLogicalPresentation(renderer);