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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. * Get device independent resolution and presentation mode for rendering.
* *
* This function gets the width and height of the logical rendering output, or * 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 * Each render target has its own logical presentation state. This function
* gets the state for the current render target. * gets the state for the current render target.
* *
* \param renderer the rendering context. * \param renderer the rendering context.
* \param w an int to be filled with the width. * \param w an int filled with the logical presentation width.
* \param h an int to be filled with the height. * \param h an int filled with the logical presentation height.
* \param mode the presentation mode used. * \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 * \returns true on success or false on failure; call SDL_GetError() for more
* information. * information.
* *

9
src/render/SDL_render.c
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@@ -2757,9 +2757,14 @@ bool SDL_SetRenderLogicalPresentation(SDL_Renderer *renderer, int w, int h, SDL_
CHECK_RENDERER_MAGIC(renderer, false); CHECK_RENDERER_MAGIC(renderer, false);
SDL_RenderViewState *view = renderer->view; 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_presentation_mode = mode;
view->logical_w = w;
view->logical_h = h;
UpdateLogicalPresentation(renderer); UpdateLogicalPresentation(renderer);