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Use lightmapper output

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RaveYard 2023-09-01 12:02:03 +02:00 committed by Christoph Oelckers
parent 8d2b03b7ef
commit b5678d5f86
2 changed files with 20 additions and 33 deletions
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28
src/common/rendering/hwrenderer/data/hw_levelmesh.h
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@ -106,6 +106,11 @@ struct Surface
// Output lightmap for the surface
std::vector<FVector3> texPixels;
// Lightmapper has a lot of additional padding around the borders
int lightmapperAtlasPage = -1;
int lightmapperAtlasX = -1;
int lightmapperAtlasY = -1;
};
@ -223,29 +228,6 @@ public:
FVector3 end = start + direction * std::max(maxDist - 10.0f, 0.0f);
return !TriangleMeshShape::find_any_hit(Collision.get(), start, end);
}
inline void FinishSurface(int lightmapTextureWidth, int lightmapTextureHeight, RectPacker& packer, Surface& surface)
{
int sampleWidth = surface.texWidth;
int sampleHeight = surface.texHeight;
auto result = packer.insert(sampleWidth, sampleHeight);
int x = result.pos.x, y = result.pos.y;
surface.atlasPageIndex = (int)result.pageIndex;
// calculate final texture coordinates
for (unsigned i = 0; i < surface.uvs.Size(); i++)
{
auto& u = surface.uvs[i].X;
auto& v = surface.uvs[i].Y;
u = (u + x) / (float)lightmapTextureWidth;
v = (v + y) / (float)lightmapTextureHeight;
}
surface.atlasX = x;
surface.atlasY = y;
}
};
} // namespace

25
src/common/rendering/vulkan/accelstructs/vk_lightmap.cpp
View file

@ -50,6 +50,11 @@ void VkLightmap::Raytrace(hwrenderer::LevelMesh* level)
}
FinishCommands();
for (size_t pageIndex = 0; pageIndex < atlasImages.size(); pageIndex++)
{
DownloadAtlasImage(pageIndex);
}
}
void VkLightmap::BeginCommands()
@ -97,13 +102,13 @@ void VkLightmap::RenderAtlasImage(size_t pageIndex)
for (unsigned int i = 0; i < mesh->Surfaces.Size(); i++)
{
hwrenderer::Surface* targetSurface = &mesh->Surfaces[i];
if (targetSurface->atlasPageIndex != pageIndex)
if (targetSurface->lightmapperAtlasPage != pageIndex)
continue;
VkViewport viewport = {};
viewport.maxDepth = 1;
viewport.x = (float)targetSurface->atlasX - 1;
viewport.y = (float)targetSurface->atlasY - 1;
viewport.x = (float)targetSurface->lightmapperAtlasX - 1;
viewport.y = (float)targetSurface->lightmapperAtlasY - 1;
viewport.width = (float)(targetSurface->texWidth + 2);
viewport.height = (float)(targetSurface->texHeight + 2);
cmdbuffer->setViewport(0, 1, &viewport);
@ -200,9 +205,9 @@ void VkLightmap::CreateAtlasImages()
hwrenderer::Surface* surface = &mesh->Surfaces[i];
auto result = packer.insert(surface->texWidth + 2, surface->texHeight + 2);
surface->atlasX = result.pos.x + 1;
surface->atlasY = result.pos.y + 1;
surface->atlasPageIndex = (int)result.pageIndex;
surface->lightmapperAtlasX = result.pos.x + 1;
surface->lightmapperAtlasY = result.pos.y + 1;
surface->lightmapperAtlasPage = (int)result.pageIndex;
}
for (size_t pageIndex = 0; pageIndex < packer.getNumPages(); pageIndex++)
@ -307,18 +312,18 @@ void VkLightmap::DownloadAtlasImage(size_t pageIndex)
for (unsigned int i = 0; i < mesh->Surfaces.Size(); i++)
{
hwrenderer::Surface* surface = &mesh->Surfaces[i];
if (surface->atlasPageIndex != pageIndex)
if (surface->lightmapperAtlasPage != pageIndex)
continue;
int atlasX = surface->atlasX;
int atlasY = surface->atlasY;
int lightmapperAtlasX = surface->lightmapperAtlasX;
int lightmapperAtlasY = surface->lightmapperAtlasY;
int sampleWidth = surface->texWidth;
int sampleHeight = surface->texHeight;
for (int y = 0; y < sampleHeight; y++)
{
FVector3* dest = &surface->texPixels[y * sampleWidth];
hvec4* src = &pixels[atlasX + (atlasY + y) * atlasImageSize];
hvec4* src = &pixels[lightmapperAtlasX + (lightmapperAtlasY + y) * atlasImageSize];
for (int x = 0; x < sampleWidth; x++)
{
dest[x] = src[x].xyz();