mirror of https://github.com/FreeRDP/FreeRDP
client/Android: optimize android_end_paint() logic
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.
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@ -111,20 +111,44 @@ void android_begin_paint(rdpContext* context)
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void android_end_paint(rdpContext* context)
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{
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int i;
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int ninvalid;
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HGDI_RGN cinvalid;
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int x1, y1, x2, y2;
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androidContext *ctx = (androidContext*)context;
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rdpSettings* settings = context->instance->settings;
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DEBUG_ANDROID("ui_update");
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assert(ctx);
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assert(settings);
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assert(context->instance);
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DEBUG_ANDROID("width=%d, height=%d, bpp=%d", settings->DesktopWidth,
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settings->DesktopHeight, settings->ColorDepth);
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ninvalid = ctx->rdpCtx.gdi->primary->hdc->hwnd->ninvalid;
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if (ninvalid == 0)
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{
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DEBUG_ANDROID("ui_update: ninvalid=%d", ninvalid);
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return;
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}
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cinvalid = ctx->rdpCtx.gdi->primary->hdc->hwnd->cinvalid;
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x1 = cinvalid[0].x;
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y1 = cinvalid[0].x + cinvalid[0].y;
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x2 = cinvalid[0].w;
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y2 = cinvalid[0].y + cinvalid[0].h;
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for (i = 0; i < ninvalid; i++)
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{
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x1 = MIN(x1, cinvalid[i].x);
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y1 = MIN(y1, cinvalid[i].y);
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x2 = MAX(x2, cinvalid[i].x + cinvalid[i].w);
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y2 = MAX(y2, cinvalid[i].y + cinvalid[i].h);
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}
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DEBUG_ANDROID("ui_update: ninvalid=%d x=%d, y=%d, width=%d, height=%d, bpp=%d",
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ninvalid, x1, y1, x2 - x1, y2 - y1, settings->ColorDepth);
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freerdp_callback("OnGraphicsUpdate", "(IIIII)V", context->instance,
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0, 0, settings->DesktopWidth, settings->DesktopHeight);
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x1, y1, x2 - x1, y2 - y1);
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}
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void android_desktop_resize(rdpContext* context)
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