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Ryan C. Gordon
2021-11-10 15:21:01 -05:00
parent 98c9836287
commit b42ae3dbfe
6 changed files with 103 additions and 117 deletions
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21
include/SDL_render.h
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@@ -980,17 +980,21 @@ extern DECLSPEC void SDLCALL SDL_RenderGetScale(SDL_Renderer * renderer,
float *scaleX, float *scaleY);
/**
* Get logical coordinates of point in renderer when given real coordinates of point in window.
* Logical coordinates will differ from real coordinates when render is scaled and logical renderer size set
*
* \param renderer the renderer from which the logical coordinates should be calcualted
* Get logical coordinates of point in renderer when given real coordinates of
* point in window.
*
* Logical coordinates will differ from real coordinates when render is scaled
* and logical renderer size set
*
* \param renderer the renderer from which the logical coordinates should be
* calcualted
* \param windowX the real X coordinate in the window
* \param windowY the real Y coordinate in the window
* \param logicalX the pointer filled with the logical x coordinate
* \param logicalY the pointer filled with the logical y coordinate
*
*
* \since This function is available since SDL 2.0.18.
*
*
* \sa SDL_RenderGetScale
* \sa SDL_RenderSetScale
* \sa SDL_RenderGetLogicalSize
@@ -1021,6 +1025,7 @@ extern DECLSPEC void SDLCALL SDL_RenderWindowToLogical(SDL_Renderer * renderer,
extern DECLSPEC void SDLCALL SDL_RenderLogicalToWindow(SDL_Renderer * renderer,
float logicalX, float logicalY,
int *windowX, int *windowY);
/**
* Set the color used for drawing operations (Rect, Line and Clear).
*
@@ -1848,8 +1853,8 @@ extern DECLSPEC void *SDLCALL SDL_RenderGetMetalLayer(SDL_Renderer * renderer);
* This function returns `void *`, so SDL doesn't have to include Metal's
* headers, but it can be safely cast to an `id<MTLRenderCommandEncoder>`.
*
* Note that as of SDL 2.0.18, this will return NULL if Metal refuses to
* give SDL a drawable to render to, which might happen if the window is
* Note that as of SDL 2.0.18, this will return NULL if Metal refuses to give
* SDL a drawable to render to, which might happen if the window is
* hidden/minimized/offscreen. This doesn't apply to command encoders for
* render targets, just the window's backbacker. Check your return values!
*