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use instanced rendering for rooms, drastically reducing VRAM usage #446

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use instanced rendering for rooms, drastically reducing VRAM usage #446

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95a9da6
use instanced rendering for rooms, drastically reducing VRAM usage
nschimme Dec 26, 2025
424e891
address code review comments for UBO, mesh, and enums
nschimme Jan 31, 2026
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8 changes: 3 additions & 5 deletions src/display/MapBatches.h
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Original file line number Diff line number Diff line change
Expand Up @@ -29,27 +29,25 @@ struct NODISCARD LayerMeshes final
DEFAULT_MOVES_DELETE_COPIES(LayerMeshes);
~LayerMeshes() = default;

void render(int thisLayer, int focusedLayer);
void render(int thisLayer, int focusedLayer, GLuint named_colors_buffer_id);
explicit operator bool() const { return isValid; }
};

using PlainQuadBatch = std::vector<glm::vec3>;

struct NODISCARD LayerMeshesIntermediate final
{
using Fn = std::function<UniqueMesh(OpenGL &)>;
using FnVec = std::vector<Fn>;
FnVec terrain;
FnVec trails;
RoomTintArray<PlainQuadBatch> tints;
RoomTintArray<Fn> tints;
FnVec overlays;
FnVec doors;
FnVec walls;
FnVec dottedWalls;
FnVec upDownExits;
FnVec streamIns;
FnVec streamOuts;
PlainQuadBatch layerBoost;
Fn layerBoost;
bool isValid = false;

LayerMeshesIntermediate() = default;
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