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First pass on SDL render clip rect functionality

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This commit is contained in:
Sam Lantinga 2013-05-04 04:46:00 -07:00
parent 0a3ab9190b
commit 866f2e5f9e
10 changed files with 227 additions and 28 deletions
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5
src/render/SDL_sysrender.h
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@ -93,6 +93,7 @@ struct SDL_Renderer
void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
int (*SetRenderTarget) (SDL_Renderer * renderer, SDL_Texture * texture);
int (*UpdateViewport) (SDL_Renderer * renderer);
int (*UpdateClipRect) (SDL_Renderer * renderer);
int (*RenderClear) (SDL_Renderer * renderer);
int (*RenderDrawPoints) (SDL_Renderer * renderer, const SDL_FPoint * points,
int count);
@ -133,6 +134,10 @@ struct SDL_Renderer
SDL_Rect viewport;
SDL_Rect viewport_backup;
/* The clip rectangle within the window */
SDL_Rect clip_rect;
SDL_Rect clip_rect_backup;
/* The render output coordinate scale */
SDL_FPoint scale;
SDL_FPoint scale_backup;