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fbaccel: implement partial blitting for SPARK

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Blit only the parts of the screen that have changed. First
tests show better performance and no obvious errors. Might
still contain some bugs, you have been warned :-)
This commit is contained in:
Stefan Seyfried
2015-02-08 21:47:20 +01:00
parent 5fa8552fa6
commit d1573a510e
3 changed files with 51 additions and 8 deletions
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6
src/driver/framebuffer_ng.cpp
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@@ -670,6 +670,7 @@ void CFrameBuffer::paintBoxRel(const int x, const int y, const int dx, const int
line++;
}
checkFbArea(x, y, dx, dy, false);
accel->mark(x, y, x+dx, y+dy);
}
void CFrameBuffer::paintPixel(const int x, const int y, const fb_pixel_t col)
@@ -783,6 +784,7 @@ bool CFrameBuffer::paintIcon8(const std::string & filename, const int x, const i
d += stride;
}
close(lfd);
accel->mark(x, y, x + width, y + height);
accel->blit();
return true;
}
@@ -1073,6 +1075,7 @@ void CFrameBuffer::paintBackgroundBoxRel(int x, int y, int dx, int dy)
bkpos += BACKGROUNDIMAGEWIDTH;
}
checkFbArea(x, y, dx, dy, false);
accel->mark(x, y, x + dx, y + dy);
}
}
@@ -1088,6 +1091,7 @@ void CFrameBuffer::paintBackground()
for (int i = 0; i < 576; i++)
memmove(((uint8_t *)getFrameBufferPointer()) + i * stride, (background + i * BACKGROUNDIMAGEWIDTH), BACKGROUNDIMAGEWIDTH * sizeof(fb_pixel_t));
checkFbArea(0, 0, xRes, yRes, false);
accel->mark(0, 0, xRes, yRes);
accel->blit();
}
else
@@ -1138,6 +1142,7 @@ void CFrameBuffer::RestoreScreen(int x, int y, int dx, int dy, fb_pixel_t * cons
fbpos += stride;
bkpos += dx;
}
accel->mark(x, y, x + dx, y + dy);
accel->blit();
checkFbArea(x, y, dx, dy, false);
}
@@ -1238,6 +1243,7 @@ void CFrameBuffer::blitBox2FB(const fb_pixel_t* boxBuf, uint32_t width, uint32_t
fbp += swidth;
line++;
}
accel->mark(xoff, yoff, xoff + width, xoff + height);
checkFbArea(xoff, yoff, width, height, false);
}