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Overlay the mouse on the frame on the correct x/y coordinates

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loki
2019-12-12 18:54:26 +01:00
parent 4569eea05b
commit e539b159ee
1 changed files with 8 additions and 3 deletions
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11
sunshine/platform/linux.cpp
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@@ -119,20 +119,25 @@ img_t snapshot(display_t &display_void) {
};
XFixesCursorImage *overlay = XFixesGetCursorImage(display.display);
overlay->x -= overlay->xhot;
overlay->y -= overlay->yhot;
overlay->x = std::max((short)0, overlay->x);
overlay->y = std::max((short)0, overlay->y);
auto pixels = (int*)img->data;
auto screen_height = display.attr.height;
auto screen_width = display.attr.width;
auto delta_height = std::min<uint16_t>(overlay->height, std::abs(overlay->y - screen_height));
auto delta_width = std::min<uint16_t>(overlay->width, std::abs(overlay->x - screen_width));
auto delta_height = std::min<uint16_t>(overlay->height, std::max(0, screen_height - overlay->y));
auto delta_width = std::min<uint16_t>(overlay->width, std::max(0, screen_width - overlay->x));
for(auto y = 0; y < delta_height; ++y) {
auto overlay_begin = &overlay->pixels[y * overlay->width];
auto overlay_end = &overlay->pixels[y * overlay->width + delta_width];
auto pixels_begin = &pixels[(y + overlay->y - 1) * screen_width + overlay->x - 1];
auto pixels_begin = &pixels[(y + overlay->y) * screen_width + overlay->x];
std::for_each(overlay_begin, overlay_end, [&](long pixel) {
int *pixel_p = (int*)&pixel;