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Reorganize the sorting classes for maybe compiling on linux gcc 4.8 ?

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This commit is contained in:
Sam Gateau 2015-05-29 13:31:17 -07:00
parent eef8077417
commit 98160c8d60
1 changed files with 23 additions and 19 deletions
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42
libraries/render/src/render/DrawTask.cpp
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@ -200,6 +200,27 @@ void render::cullItems(const SceneContextPointer& sceneContext, const RenderCont
}
struct ItemBound {
float _centerDepth = 0.0f;
float _nearDepth = 0.0f;
float _farDepth = 0.0f;
ItemID _id = 0;
ItemBound() {}
ItemBound(float centerDepth, float nearDepth, float farDepth, ItemID id) : _centerDepth(centerDepth), _nearDepth(nearDepth), _farDepth(farDepth), _id(id) {}
};
struct FrontToBackSort {
bool operator() (ItemBound& left, ItemBound& right) {
return (left._centerDepth < right._centerDepth);
}
};
struct BackToFrontSort {
bool operator() (ItemBound& left, ItemBound& right) {
return (left._centerDepth > right._centerDepth);
}
};
void render::depthSortItems(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext, bool frontToBack, const ItemIDs& inItems, ItemIDs& outItems) {
assert(renderContext->args);
@ -213,15 +234,6 @@ void render::depthSortItems(const SceneContextPointer& sceneContext, const Rende
// Make a local dataset of the center distance and closest point distance
struct ItemBound {
float _centerDepth = 0.0f;
float _nearDepth = 0.0f;
float _farDepth = 0.0f;
ItemID _id = 0;
ItemBound() {}
ItemBound(float centerDepth, float nearDepth, float farDepth, ItemID id) : _centerDepth(centerDepth), _nearDepth(nearDepth), _farDepth(farDepth), _id(id) {}
};
std::vector<ItemBound> itemBounds;
itemBounds.reserve(outItems.size());
@ -235,18 +247,10 @@ void render::depthSortItems(const SceneContextPointer& sceneContext, const Rende
// sort against Z
if (frontToBack) {
struct FrontToBackSort {
bool operator() (ItemBound& left, ItemBound& right) {
return (left._centerDepth < right._centerDepth);
}
} frontToBackSort;
FrontToBackSort frontToBackSort;
std::sort (itemBounds.begin(), itemBounds.end(), frontToBackSort);
} else {
struct BackToFrontSort {
bool operator() (ItemBound& left, ItemBound& right) {
return (left._centerDepth > right._centerDepth);
}
} backToFrontSort;
BackToFrontSort backToFrontSort;
std::sort (itemBounds.begin(), itemBounds.end(), backToFrontSort);
}