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Add YACReaderFlowGL TODOs #199

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Add YACReaderFlowGL TODOs #199

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13 changes: 11 additions & 2 deletions common/gl/yacreader_flow_gl.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -711,6 +711,9 @@ void YACReaderFlowGL::remove(int item)
currentSelected--;
}

// TODO: the texture can be deleted before removing item from images. There is
// no need for the local texture variable. If this is an attempt to avoid a
// data race, then there is undefined behavior, which should be fixed properly.
QOpenGLTexture *texture = images[item].texture;

int count = item;
Expand All @@ -721,7 +724,7 @@ void YACReaderFlowGL::remove(int item)
images.removeAt(item);

if (texture != defaultTexture)
delete (texture);
delete (texture); // TODO: ? if (texture->isCreated()) texture->destroy();

numObjects--;
}
Expand All @@ -737,6 +740,7 @@ void YACReaderFlowGL::replace(char *name, QOpenGLTexture *texture, float x, floa
startAnimationTimer();

Q_UNUSED(name)
// TODO: ? auto *t = images[item].texture; if (t && t != defaultTexture) { if (t->isCreated()) t->destroy(); delete t; }
if (images[item].index == item) {
images[item].texture = texture;
images[item].width = x;
Expand Down Expand Up @@ -783,7 +787,8 @@ void YACReaderFlowGL::reset()

for (int i = 0; i < numObjects; i++) {
if (images[i].texture != defaultTexture)
delete (images[i].texture);
delete (images[i].texture); // TODO: ? if (texture->isCreated()) texture->destroy();
// TODO (continued): if so, extract the entire code snippet into a helper function.
}

numObjects = 0;
Expand Down Expand Up @@ -1277,6 +1282,8 @@ YACReaderPageFlowGL::~YACReaderPageFlowGL()

makeCurrent();

// TODO: shouldn't the destructions below be in the parent class ~YACReaderFlowGL()?

for (auto image : images) {
if (image.texture != defaultTexture) {
if (image.texture->isCreated()) {
Expand All @@ -1286,6 +1293,8 @@ YACReaderPageFlowGL::~YACReaderPageFlowGL()
}
}

// TODO: do the same for markTexture and readingTexture?
// E.g. for (auto *texture : { defaultTexture, markTexture, readingTexture }) ...
if (defaultTexture != nullptr) {
if (defaultTexture->isCreated()) {
defaultTexture->destroy();
Expand Down