Mercurial > sdl-ios-xcode

diff src/render/software/SDL_render_sw.c @ 5229:2178ffe17222

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Added function SDL_RenderSetClipRect()
author Sam Lantinga <slouken@libsdl.org>
date Mon, 07 Feb 2011 20:06:26 -0800
parents bb45ecd958d8
children 710d00cb3a6a
line wrap: on
line diff
--- a/src/render/software/SDL_render_sw.c	Mon Feb 07 20:05:52 2011 -0800
+++ b/src/render/software/SDL_render_sw.c	Mon Feb 07 20:06:26 2011 -0800
@@ -50,6 +50,7 @@
 static int SW_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
                           const SDL_Rect * rect, void **pixels, int *pitch);
 static void SW_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
+static void SW_SetClipRect(SDL_Renderer * renderer, const SDL_Rect * rect);
 static int SW_RenderDrawPoints(SDL_Renderer * renderer,
                                const SDL_Point * points, int count);
 static int SW_RenderDrawLines(SDL_Renderer * renderer,
@@ -125,6 +126,7 @@
     renderer->UpdateTexture = SW_UpdateTexture;
     renderer->LockTexture = SW_LockTexture;
     renderer->UnlockTexture = SW_UnlockTexture;
+    renderer->SetClipRect = SW_SetClipRect;
     renderer->DestroyTexture = SW_DestroyTexture;
     renderer->RenderDrawPoints = SW_RenderDrawPoints;
     renderer->RenderDrawLines = SW_RenderDrawLines;
@@ -266,6 +268,17 @@
 {
 }
 
+static void
+SW_SetClipRect(SDL_Renderer * renderer, const SDL_Rect * rect)
+{
+    SDL_Surface *surface = SW_ActivateRenderer(renderer);
+
+    if (!surface) {
+        return;
+    }
+    SDL_SetClipRect(surface, rect);
+}
+
 static int
 SW_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
                     int count)