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Change the traversal of texture so the full image is displayed correctly on the globe

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Ylva Selling
2022-09-28 05:52:59 -04:00
parent aec2baf7d1
commit 301dfafabf
1 changed files with 6 additions and 3 deletions
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9
modules/globebrowsing/src/tileprovider/ffmpegtileprovider.cpp
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@@ -228,12 +228,15 @@ Tile FfmpegTileProvider::tile(const TileIndex& tileIndex) {
// Copy every row inside the part of the texture we want for the tile
GLubyte* destination = &_tilePixels[0];
GLubyte* source = &_glFrame->data[0][0];
for (int row = rowRange.x; row < rowRange.y; ++row) {
// Traverse backwards so texture is placed correctly
for (int row = rowRange.y - 1; row > rowRange.x; --row) {
// Find index of first item of this row
int index = row * wholeRowSize;
int rowIndex = row * wholeRowSize;
// Find index of the first item of this column
int columnIndex = tileRowSize * tileIndex.x;
// Copy
memcpy(destination, source + index, tileRowSize);
memcpy(destination, source + rowIndex + columnIndex, tileRowSize);
// Advance the destination pointer
destination += tileRowSize;