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client/Android: optimize android_end_paint() logic

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1. Don't draw to screen if server sends begin/end paint
messages without any real updates.
2. Redraw only summary region that covers really invalidated
part of screen.
This commit is contained in:
Zavadovsky Yan 2015-02-21 23:52:38 +03:00
parent ac8b50c464
commit 082e7b8661
1 changed files with 29 additions and 5 deletions
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34
client/Android/FreeRDPCore/jni/android_freerdp.c
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@ -111,20 +111,44 @@ void android_begin_paint(rdpContext* context)
void android_end_paint(rdpContext* context)
{
int i;
int ninvalid;
HGDI_RGN cinvalid;
int x1, y1, x2, y2;
androidContext *ctx = (androidContext*)context;
rdpSettings* settings = context->instance->settings;
DEBUG_ANDROID("ui_update");
assert(ctx);
assert(settings);
assert(context->instance);
DEBUG_ANDROID("width=%d, height=%d, bpp=%d", settings->DesktopWidth,
settings->DesktopHeight, settings->ColorDepth);
ninvalid = ctx->rdpCtx.gdi->primary->hdc->hwnd->ninvalid;
if (ninvalid == 0)
{
DEBUG_ANDROID("ui_update: ninvalid=%d", ninvalid);
return;
}
cinvalid = ctx->rdpCtx.gdi->primary->hdc->hwnd->cinvalid;
x1 = cinvalid[0].x;
y1 = cinvalid[0].x + cinvalid[0].y;
x2 = cinvalid[0].w;
y2 = cinvalid[0].y + cinvalid[0].h;
for (i = 0; i < ninvalid; i++)
{
x1 = MIN(x1, cinvalid[i].x);
y1 = MIN(y1, cinvalid[i].y);
x2 = MAX(x2, cinvalid[i].x + cinvalid[i].w);
y2 = MAX(y2, cinvalid[i].y + cinvalid[i].h);
}
DEBUG_ANDROID("ui_update: ninvalid=%d x=%d, y=%d, width=%d, height=%d, bpp=%d",
ninvalid, x1, y1, x2 - x1, y2 - y1, settings->ColorDepth);
freerdp_callback("OnGraphicsUpdate", "(IIIII)V", context->instance,
0, 0, settings->DesktopWidth, settings->DesktopHeight);
x1, y1, x2 - x1, y2 - y1);
}
void android_desktop_resize(rdpContext* context)