thirdparty/scummvm
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IPHONE: Directly use the overlay's texture buffer instead of another intermediate buffer.

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This commit is contained in:
Johannes Schickel 2012-02-23 21:34:12 +01:00
parent 2ab5958c93
commit 8edcedf3b6
3 changed files with 14 additions and 36 deletions
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2
backends/platform/iphone/osys_main.cpp
View file

@ -61,7 +61,7 @@ OSystem_IPHONE::OSystem_IPHONE() :
_screenOrientation(kScreenOrientationFlippedLandscape), _mouseClickAndDragEnabled(false),
_gestureStartX(-1), _gestureStartY(-1), _fullScreenIsDirty(false), _fullScreenOverlayIsDirty(false),
_mouseDirty(false), _timeSuspended(0), _lastDragPosX(-1), _lastDragPosY(-1), _screenChangeCount(0),
_overlayBuffer(0), _mouseCursorPaletteEnabled(false) {
_mouseCursorPaletteEnabled(false) {
_queuedInputEvent.type = Common::EVENT_INVALID;
_touchpadModeEnabled = !iPhone_isHighResDevice();
_fsFactory = new POSIXFilesystemFactory();

2
backends/platform/iphone/osys_main.h
View file

@ -65,7 +65,6 @@ protected:
Graphics::Surface _framebuffer;
byte *_gameScreenRaw;
OverlayColor *_overlayBuffer;
uint16 *_gameScreenConverted;
@ -191,7 +190,6 @@ protected:
void dirtyFullOverlayScreen();
void suspendLoop();
void drawDirtyRect(const Common::Rect &dirtyRect);
void drawDirtyOverlayRect(const Common::Rect &dirtyRect);
void updateHardwareSurfaceForRect(const Common::Rect &updatedRect);
void updateMouseTexture();
static void AQBufferCallback(void *in, AudioQueueRef inQ, AudioQueueBufferRef outQB);

38
backends/platform/iphone/osys_video.mm
View file

@ -68,10 +68,7 @@ void OSystem_IPHONE::initSize(uint width, uint height, const Graphics::PixelForm
_gameScreenRaw = (byte *)malloc(width * height);
bzero(_gameScreenRaw, width * height);
//free(_overlayBuffer);
int fullSize = _videoContext->screenWidth * _videoContext->screenHeight * sizeof(OverlayColor);
//_overlayBuffer = (OverlayColor *)malloc(fullSize);
free(_gameScreenConverted);
@ -80,11 +77,6 @@ void OSystem_IPHONE::initSize(uint width, uint height, const Graphics::PixelForm
updateOutputSurface();
if (_overlayBuffer == NULL) {
printf("Overlay: (%u x %u)\n", _videoContext->overlayWidth, _videoContext->overlayHeight);
_overlayBuffer = new OverlayColor[_videoContext->overlayHeight * _videoContext->overlayWidth];
}
clearOverlay();
_fullScreenIsDirty = false;
@ -203,12 +195,14 @@ void OSystem_IPHONE::internUpdateScreen() {
}
if (_videoContext->overlayVisible) {
while (_dirtyOverlayRects.size()) {
// TODO: Implement dirty rect code
_dirtyOverlayRects.clear();
/*while (_dirtyOverlayRects.size()) {
Common::Rect dirtyRect = _dirtyOverlayRects.remove_at(_dirtyOverlayRects.size() - 1);
//printf("Drawing: (%i, %i) -> (%i, %i)\n", dirtyRect.left, dirtyRect.top, dirtyRect.right, dirtyRect.bottom);
drawDirtyOverlayRect(dirtyRect);
}
}*/
}
}
@ -227,16 +221,6 @@ void OSystem_IPHONE::drawDirtyRect(const Common::Rect &dirtyRect) {
}
}
void OSystem_IPHONE::drawDirtyOverlayRect(const Common::Rect &dirtyRect) {
const int x1 = dirtyRect.left;
const int y1 = dirtyRect.top;
const int x2 = dirtyRect.right;
const int y2 = dirtyRect.bottom;
for (int y = y1; y < y2; ++y)
memcpy(_videoContext->overlayTexture.getBasePtr(x1, y), &_overlayBuffer[y * _videoContext->overlayWidth + x1], (x2 - x1) * 2);
}
void OSystem_IPHONE::updateHardwareSurfaceForRect(const Common::Rect &updatedRect) {
const int x1 = updatedRect.left;
const int y1 = updatedRect.top;
@ -290,18 +274,18 @@ void OSystem_IPHONE::hideOverlay() {
void OSystem_IPHONE::clearOverlay() {
//printf("clearOverlay()\n");
bzero(_overlayBuffer, _videoContext->overlayWidth * _videoContext->overlayHeight * sizeof(OverlayColor));
bzero(_videoContext->overlayTexture.getBasePtr(0, 0), _videoContext->overlayTexture.h * _videoContext->overlayTexture.pitch);
dirtyFullOverlayScreen();
}
void OSystem_IPHONE::grabOverlay(OverlayColor *buf, int pitch) {
//printf("grabOverlay()\n");
int h = _videoContext->overlayHeight;
OverlayColor *src = _overlayBuffer;
const byte *src = (const byte *)_videoContext->overlayTexture.getBasePtr(0, 0);
do {
memcpy(buf, src, _videoContext->overlayWidth * sizeof(OverlayColor));
src += _videoContext->overlayWidth;
src += _videoContext->overlayTexture.pitch;
buf += pitch;
} while (--h);
}
@ -335,16 +319,12 @@ void OSystem_IPHONE::copyRectToOverlay(const OverlayColor *buf, int pitch, int x
_dirtyOverlayRects.push_back(Common::Rect(x, y, x + w, y + h));
}
OverlayColor *dst = _overlayBuffer + (y * _videoContext->overlayWidth + x);
if ((int)_videoContext->overlayWidth == pitch && pitch == w)
memcpy(dst, buf, h * w * sizeof(OverlayColor));
else {
byte *dst = (byte *)_videoContext->overlayTexture.getBasePtr(x, y);
do {
memcpy(dst, buf, w * sizeof(OverlayColor));
buf += pitch;
dst += _videoContext->overlayWidth;
dst += _videoContext->overlayTexture.pitch;
} while (--h);
}
}
int16 OSystem_IPHONE::getOverlayHeight() {