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-rw-r--r--video/coktel_decoder.cpp10
1 files changed, 8 insertions, 2 deletions
diff --git a/video/coktel_decoder.cpp b/video/coktel_decoder.cpp
index 40ac035582..024e479bf7 100644
--- a/video/coktel_decoder.cpp
+++ b/video/coktel_decoder.cpp
@@ -2399,7 +2399,10 @@ void VMDDecoder::blit16(const Graphics::Surface &srcSurf, Common::Rect &rect) {
Graphics::PixelFormat pixelFormat = getPixelFormat();
- const byte *src = (const byte *)srcSurf.getBasePtr(srcRect.left, srcRect.top);
+ // We cannot use getBasePtr here because srcSurf.format.bytesPerPixel is
+ // different from _bytesPerPixel.
+ const byte *src = (const byte *)srcSurf.getPixels() +
+ (srcRect.top * srcSurf.pitch) + srcRect.left * _bytesPerPixel;
byte *dst = (byte *)_surface.getBasePtr(_x + rect.left, _y + rect.top);
for (int i = 0; i < rect.height(); i++) {
@@ -2437,7 +2440,10 @@ void VMDDecoder::blit24(const Graphics::Surface &srcSurf, Common::Rect &rect) {
Graphics::PixelFormat pixelFormat = getPixelFormat();
- const byte *src = (const byte *)srcSurf.getBasePtr(srcRect.left, srcRect.top);
+ // We cannot use getBasePtr here because srcSurf.format.bytesPerPixel is
+ // different from _bytesPerPixel.
+ const byte *src = (const byte *)srcSurf.getPixels() +
+ (srcRect.top * srcSurf.pitch) + srcRect.left * _bytesPerPixel;
byte *dst = (byte *)_surface.getBasePtr(_x + rect.left, _y + rect.top);
for (int i = 0; i < rect.height(); i++) {