DS : Yet another scaling helpers

svn-id: r24505

2 files changed, 18 insertions, 0 deletions

diff --git a/backends/platform/ds/arm9/source/blitters.cpp b/backends/platform/ds/arm9/source/blitters.cpp
index b1a7ed89e3..cba8b6fda8 100644
--- a/backends/platform/ds/arm9/source/blitters.cpp
+++ b/backends/platform/ds/arm9/source/blitters.cpp
@@ -222,4 +222,20 @@ void Rescale_320x1555Scanline_To_256x1555Scanline(u16* dest, const u16* src)
    }
 }
 
+void Rescale_320x256xPAL8_To_256x256x1555(u16* dest, const u8* src, const u16* palette, int destStride, int srcStride)
+{
+	for(size_t i=0; i<200; ++i)
+	{
+		Rescale_320xPAL8Scanline_To_256x1555Scanline(dest + i*destStride, src + i *srcStride, palette);			
+	}
+}
+
+void Rescale_320x256x1555_To_256x256x1555(u16* dest, const u16* src, int destStride, int srcStride)
+{
+	for(size_t i=0; i<200; ++i)
+	{
+		Rescale_320x1555Scanline_To_256x1555Scanline(dest + i*destStride, src + i *srcStride);
+	}
+}
+
 }
diff --git a/backends/platform/ds/arm9/source/blitters.h b/backends/platform/ds/arm9/source/blitters.h
index 47cf143965..b24ceb7f7d 100644
--- a/backends/platform/ds/arm9/source/blitters.h
+++ b/backends/platform/ds/arm9/source/blitters.h
@@ -28,6 +28,8 @@ void asmDrawStripToScreen(int height, int width, byte const* text, byte const* s
 void asmCopy8Col(byte* dst, int dstPitch, const byte* src, int height);
 void Rescale_320xPAL8Scanline_To_256x1555Scanline(u16* dest, const u8* src, const u16* palette);
 void Rescale_320x1555Scanline_To_256x1555Scanline(u16* dest, const u16* src);
+void Rescale_320x256xPAL8_To_256x256x1555(u16* dest, const u8* src, const u16* palette, int destStride, int srcStride);
+void Rescale_320x256x1555_To_256x256x1555(u16* dest, const u16* src, int destStride, int srcStride);
 
 }