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render: Restore previous policy for converting window/render coordinates.

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Before this commit, it would adjust for the logical presentation settings.
Now, it works as it did before the logical presentation render target was
removed: it takes current viewport and scale into account, as well.

Fixes #10978.
This commit is contained in:
Ryan C. Gordon 2024-10-03 13:51:48 -04:00
parent 3246df8bd3
commit 191f3ecbbc
2 changed files with 32 additions and 0 deletions
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22
include/SDL3/SDL_render.h
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@ -1441,6 +1441,13 @@ extern SDL_DECLSPEC bool SDLCALL SDL_GetRenderLogicalPresentationRect(SDL_Render
/**
* Get a point in render coordinates when given a point in window coordinates.
*
* This takes into account several states:
*
* - The window dimensions.
* - The logical presentation settings (SDL_SetRenderLogicalPresentation)
* - The scale (SDL_SetRenderScale)
* - The viewport (SDL_SetRenderViewport)
*
* \param renderer the rendering context.
* \param window_x the x coordinate in window coordinates.
* \param window_y the y coordinate in window coordinates.
@ -1461,6 +1468,13 @@ extern SDL_DECLSPEC bool SDLCALL SDL_RenderCoordinatesFromWindow(SDL_Renderer *r
/**
* Get a point in window coordinates when given a point in render coordinates.
*
* This takes into account several states:
*
* - The window dimensions.
* - The logical presentation settings (SDL_SetRenderLogicalPresentation)
* - The scale (SDL_SetRenderScale)
* - The viewport (SDL_SetRenderViewport)
*
* \param renderer the rendering context.
* \param x the x coordinate in render coordinates.
* \param y the y coordinate in render coordinates.
@ -1477,12 +1491,20 @@ extern SDL_DECLSPEC bool SDLCALL SDL_RenderCoordinatesFromWindow(SDL_Renderer *r
*
* \sa SDL_SetRenderLogicalPresentation
* \sa SDL_SetRenderScale
* \sa SDL_SetRenderViewport
*/
extern SDL_DECLSPEC bool SDLCALL SDL_RenderCoordinatesToWindow(SDL_Renderer *renderer, float x, float y, float *window_x, float *window_y);
/**
* Convert the coordinates in an event to render coordinates.
*
* This takes into account several states:
*
* - The window dimensions.
* - The logical presentation settings (SDL_SetRenderLogicalPresentation)
* - The scale (SDL_SetRenderScale)
* - The viewport (SDL_SetRenderViewport)
*
* Touch coordinates are converted from normalized coordinates in the window
* to non-normalized rendering coordinates.
*