OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
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Add uniforms to level mesh and upload them to the GPU

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This commit is contained in:
Magnus Norddahl 2023-10-20 17:25:06 +02:00
commit ba7dfb8a8f
4 changed files with 73 additions and 1 deletions
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33
src/common/rendering/vulkan/accelstructs/vk_raytrace.cpp
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@ -52,6 +52,7 @@ void VkRaytrace::Reset()
deletelist->Add(std::move(IndexBuffer));
deletelist->Add(std::move(NodeBuffer));
deletelist->Add(std::move(SurfaceBuffer));
deletelist->Add(std::move(SurfaceUniformsBuffer));
deletelist->Add(std::move(SurfaceIndexBuffer));
deletelist->Add(std::move(PortalBuffer));
deletelist->Add(std::move(StaticBLAS.ScratchBuffer));
@ -108,6 +109,7 @@ void VkRaytrace::UploadMeshes(bool dynamicOnly)
location.NodeSize = (int)submesh->Collision->get_nodes().size();
location.SurfaceIndexSize = submesh->MeshSurfaceIndexes.Size();
location.SurfaceSize = submesh->GetSurfaceCount();
location.SurfaceUniformsSize = submesh->MeshSurfaceUniforms.Size();
locations.Push(location);
}
@ -121,12 +123,14 @@ void VkRaytrace::UploadMeshes(bool dynamicOnly)
cur.NodeOffset = prev.NodeOffset + prev.NodeSize;
cur.SurfaceIndexOffset = prev.SurfaceIndexOffset + prev.SurfaceIndexSize;
cur.SurfaceOffset = prev.SurfaceOffset + prev.SurfaceSize;
cur.SurfaceUniformsOffset = prev.SurfaceUniformsOffset + prev.SurfaceUniformsSize;
if (
cur.VertexOffset + cur.VertexSize > GetMaxVertexBufferSize() ||
cur.IndexOffset + cur.IndexSize > GetMaxIndexBufferSize() ||
cur.NodeOffset + cur.NodeSize > GetMaxNodeBufferSize() ||
cur.SurfaceOffset + cur.SurfaceSize > GetMaxSurfaceBufferSize() ||
cur.SurfaceUniformsOffset + cur.SurfaceUniformsSize > GetMaxSurfaceUniformsBufferSize() ||
cur.SurfaceIndexOffset + cur.SurfaceIndexSize > GetMaxSurfaceIndexBufferSize())
{
I_FatalError("Dynamic accel struct buffers are too small!");
@ -146,6 +150,7 @@ void VkRaytrace::UploadMeshes(bool dynamicOnly)
transferBufferSize += cur.Submesh->Collision->get_nodes().size() * sizeof(CollisionNode);
transferBufferSize += cur.Submesh->MeshSurfaceIndexes.Size() * sizeof(int);
transferBufferSize += cur.Submesh->GetSurfaceCount() * sizeof(SurfaceInfo);
transferBufferSize += cur.Submesh->MeshSurfaceUniforms.Size() * sizeof(SurfaceUniforms);
}
if (!dynamicOnly)
transferBufferSize += Mesh->StaticMesh->Portals.Size() * sizeof(PortalInfo);
@ -284,6 +289,7 @@ void VkRaytrace::UploadMeshes(bool dynamicOnly)
info.PortalIndex = surface->portalIndex;
info.SamplingDistance = (float)surface->sampleDimension;
info.Sky = surface->bSky;
info.Alpha = surface->alpha;
if (surface->texture.isValid())
{
auto mat = FMaterial::ValidateTexture(TexMan.GetGameTexture(surface->texture), 0);
@ -293,7 +299,7 @@ void VkRaytrace::UploadMeshes(bool dynamicOnly)
{
info.TextureIndex = -1;
}
info.Alpha = surface->alpha;
submesh->MeshSurfaceUniforms[j].uTextureIndex = info.TextureIndex; // Bit of a hack, but we don't know the texture index before now
*(surfaces++) = info;
}
@ -304,6 +310,20 @@ void VkRaytrace::UploadMeshes(bool dynamicOnly)
datapos += copysize;
}
// Copy surface uniforms
for (unsigned int i = start; i < end; i++)
{
const SubmeshBufferLocation& cur = locations[i];
auto submesh = cur.Submesh;
SurfaceUniforms* uniforms = (SurfaceUniforms*)(data + datapos);
size_t copysize = submesh->MeshSurfaceUniforms.Size() * sizeof(SurfaceUniforms);
memcpy(uniforms, submesh->MeshSurfaceUniforms.Data(), copysize);
if (copysize > 0)
cmdbuffer->copyBuffer(transferBuffer.get(), SurfaceUniformsBuffer.get(), datapos, cur.SurfaceUniformsOffset * sizeof(SurfaceUniforms), copysize);
datapos += copysize;
}
// Copy portals
if (!dynamicOnly)
{
@ -353,6 +373,11 @@ int VkRaytrace::GetMaxSurfaceBufferSize()
return Mesh->StaticMesh->GetSurfaceCount() + MaxDynamicSurfaces;
}
int VkRaytrace::GetMaxSurfaceUniformsBufferSize()
{
return Mesh->StaticMesh->MeshSurfaceUniforms.Size() + MaxDynamicSurfaceUniforms;
}
int VkRaytrace::GetMaxSurfaceIndexBufferSize()
{
return Mesh->StaticMesh->MeshSurfaceIndexes.Size() + MaxDynamicSurfaceIndexes;
@ -402,6 +427,12 @@ void VkRaytrace::CreateBuffers()
.DebugName("SurfaceBuffer")
.Create(fb->GetDevice());
SurfaceUniformsBuffer = BufferBuilder()
.Usage(VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT)
.Size(GetMaxSurfaceUniformsBufferSize() * sizeof(SurfaceUniforms))
.DebugName("SurfaceUniformsBuffer")
.Create(fb->GetDevice());
PortalBuffer = BufferBuilder()
.Usage(VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT)
.Size(Mesh->StaticMesh->Portals.Size() * sizeof(PortalInfo))