ScummVM/scummvm
1
0
Fork 0
mirror of https://github.com/scummvm/scummvm.git synced 2026-06-20 05:45:29 +00:00
Code Issues Packages Projects Releases Wiki Activity

FULLPIPE: Optimize sceneFade()

Browse Source
This commit is contained in:
Eugene Sandulenko
2016-09-04 16:15:47 +02:00
parent 149267613a
commit 00a13baf84
1 changed files with 5 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files
engines/fullpipe/gfx.cpp
+5 -15
View File
@@ -1270,7 +1270,10 @@ void FullpipeEngine::drawAlphaRectangle(int x1, int y1, int x2, int y2, int alph
for (int x = x1; x < x2; x++) {
uint32 color = *ptr;
color = (color & 0xffffff00) | (alpha & 0xff);
color = (((color >> 24) & 0xff) * alpha / 0xff) << 24 |
(((color >> 16) & 0xff) * alpha / 0xff) << 16 |
(((color >> 8) & 0xff) * alpha / 0xff) << 8 |
(color & 0xff);
*ptr = color;
ptr++;
}
@@ -1282,20 +1285,7 @@ void FullpipeEngine::sceneFade(Scene *sc, bool direction) {
int ticks = g_fp->_system->getMillis();
sc->draw();
for (int y = 0; y < g_fp->_backgroundSurface.h; y++) {
uint32 *ptr = (uint32 *)g_fp->_backgroundSurface.getBasePtr(0, y);
for (int x = 0; x < g_fp->_backgroundSurface.w; x++) {
uint32 color = *ptr;
color = (((color >> 24) & 0xff) * dim / 0xff) << 24 |
(((color >> 16) & 0xff) * dim / 0xff) << 16 |
(((color >> 8) & 0xff) * dim / 0xff) << 8 |
(color & 0xff);
*ptr = color;
ptr++;
}
}
drawAlphaRectangle(0, 0, g_fp->_backgroundSurface.w, g_fp->_backgroundSurface.h, direction ? dim : 255 - dim);
g_fp->_system->copyRectToScreen(g_fp->_backgroundSurface.getBasePtr(0, 0), g_fp->_backgroundSurface.pitch, 0, 0, 800, 600);
g_fp->_system->updateScreen();