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authorYotam Barnoy2010-05-27 06:21:37 +0000
committerYotam Barnoy2010-05-27 06:21:37 +0000
commit5f53683cab48becc1d790132cc46ff29a1a3ae26 (patch)
treeb96cefe61307d7eeff071b23b4de8e4fc93e9ec5
parentf7ba7b4684c86546151928cf5de669af04d237c1 (diff)
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PSP: fixed a screen shake bug
svn-id: r49258
-rw-r--r--backends/platform/psp/display_client.cpp15
1 files changed, 8 insertions, 7 deletions
diff --git a/backends/platform/psp/display_client.cpp b/backends/platform/psp/display_client.cpp
index 90c41e796d..c5a6250188 100644
--- a/backends/platform/psp/display_client.cpp
+++ b/backends/platform/psp/display_client.cpp
@@ -686,17 +686,18 @@ void GuRenderer::fillVertices(Vertex *vertices) {
uint32 gapX = _useGlobalScaler ? (PSP_SCREEN_WIDTH - outputWidth) >> 1 : 0;
uint32 gapY = _useGlobalScaler ? (PSP_SCREEN_HEIGHT - outputHeight) >> 1 : 0;
+ // Save scaled offset on screen
+ float scaledOffsetOnScreenX = scaleSourceToOutputX(_offsetOnScreen.x);
+ float scaledOffsetOnScreenY = scaleSourceToOutputY(_offsetOnScreen.y);
+
float imageStartX, imageStartY, imageEndX, imageEndY;
- imageStartX = gapX + (scaleSourceToOutputX(_maxTextureOffset.x));
- imageStartY = gapY;
-
- imageStartX += scaleSourceToOutputX(_offsetOnScreen.x);
- imageStartY += scaleSourceToOutputY(_offsetOnScreen.y);
+ imageStartX = gapX + scaledOffsetOnScreenX + (scaleSourceToOutputX(_maxTextureOffset.x));
+ imageStartY = gapY + scaledOffsetOnScreenY;
if (_fullScreen) { // shortcut
- imageEndX = PSP_SCREEN_WIDTH - gapX;
- imageEndY = PSP_SCREEN_HEIGHT - gapY;
+ imageEndX = PSP_SCREEN_WIDTH - gapX + scaledOffsetOnScreenX;
+ imageEndY = PSP_SCREEN_HEIGHT - gapY + scaledOffsetOnScreenY; // needed for screen shake
} else { /* !fullScreen */
imageEndX = imageStartX + scaleSourceToOutputX(_drawSize.width);
imageEndY = imageStartY + scaleSourceToOutputY(_drawSize.height);