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working resourceless-gpu api

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jacob 2026-03-10 23:50:13 -05:00
parent acff26f8a4
commit f2be189344
1 changed files with 127 additions and 24 deletions
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151
src/gpu/gpu_dx12/gpu_dx12_core.c
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@ -1368,16 +1368,37 @@ void G_D12_ReleaseDescriptor(G_D12_Descriptor *descriptor)
void G_D12_InitResourceDescriptor(G_D12_Descriptor *descriptor, G_D12_Resource *resource, RngI32 mips)
{
}
void G_D12_InitRtvDescriptor(G_D12_Descriptor *descriptor, G_D12_Resource *resource, i32 mip)
{
// FIXME: Impl
DXGI_FORMAT format = G_D12_DxgiFormatFromGpuFormat(resource->texture_format);
D3D12_RESOURCE_DESC res_d3d_desc = Zi;
{
ID3D12Resource_GetDesc(resource->d3d_resource, &res_d3d_desc);
}
D3D12_RENDER_TARGET_VIEW_DESC rtv_desc = Zi;
{
rtv_desc.Format = res_d3d_desc.Format;
if (res_d3d_desc.Dimension == D3D12_RESOURCE_DIMENSION_TEXTURE1D)
{
rtv_desc.ViewDimension = D3D12_RTV_DIMENSION_TEXTURE1D;
rtv_desc.Texture1D.MipSlice = mip;
}
else if (res_d3d_desc.Dimension == D3D12_RESOURCE_DIMENSION_TEXTURE2D)
{
rtv_desc.ViewDimension = D3D12_RTV_DIMENSION_TEXTURE2D;
rtv_desc.Texture2D.MipSlice = mip;
}
else if (res_d3d_desc.Dimension == D3D12_RESOURCE_DIMENSION_TEXTURE3D)
{
rtv_desc.ViewDimension = D3D12_RTV_DIMENSION_TEXTURE3D;
rtv_desc.Texture3D.MipSlice = mip;
}
}
ID3D12Device_CreateRenderTargetView(G_D12.device, resource->d3d_resource, &rtv_desc, descriptor->d3d_handle);
}
G_D12_Descriptor *G_D12_DescriptorFromBufferRef(G_BufferRef ref)
{
G_D12_DescriptorHeap *heap = &G_D12.descriptor_heaps[G_D12_DescriptorHeapKind_CbvSrvUav];
@ -1856,10 +1877,15 @@ G_BaseDescriptorIndex G_PushMemory(G_CommandListHandle cl_handle, G_ArenaHandle
srv.Format = DXGI_FORMAT_R32_TYPELESS;
srv.Buffer.Flags = D3D12_BUFFER_SRV_FLAG_RAW;
srv.Buffer.StructureByteStride = 0;
srv.Buffer.FirstElement = (descriptor->info.buffer_element_offset * descriptor->info.buffer_element_stride) / 4;
srv.Buffer.NumElements = (descriptor->info.buffer_element_count * descriptor->info.buffer_element_stride) / 4;
}
else if (srv.Buffer.StructureByteStride < 4)
{
ok = 0;
srv.Buffer.StructureByteStride = 4;
srv.Buffer.FirstElement = 0;
srv.Buffer.NumElements = 1;
}
if (ok)
{
@ -1867,7 +1893,7 @@ G_BaseDescriptorIndex G_PushMemory(G_CommandListHandle cl_handle, G_ArenaHandle
}
else
{
ID3D12Device_CreateShaderResourceView(G_D12.device, 0, 0, d3d_handle);
ID3D12Device_CreateShaderResourceView(G_D12.device, 0, &srv, d3d_handle);
}
}
else
@ -1886,10 +1912,15 @@ G_BaseDescriptorIndex G_PushMemory(G_CommandListHandle cl_handle, G_ArenaHandle
uav.Format = DXGI_FORMAT_R32_TYPELESS;
uav.Buffer.Flags = D3D12_BUFFER_UAV_FLAG_RAW;
uav.Buffer.StructureByteStride = 0;
uav.Buffer.FirstElement = (descriptor->info.buffer_element_offset * descriptor->info.buffer_element_stride) / 4;
uav.Buffer.NumElements = (descriptor->info.buffer_element_count * descriptor->info.buffer_element_stride) / 4;
}
else if (uav.Buffer.StructureByteStride < 4)
{
ok = 0;
uav.Buffer.StructureByteStride = 4;
uav.Buffer.FirstElement = 0;
uav.Buffer.NumElements = 0;
}
if (ok)
{
@ -1897,7 +1928,7 @@ G_BaseDescriptorIndex G_PushMemory(G_CommandListHandle cl_handle, G_ArenaHandle
}
else
{
ID3D12Device_CreateUnorderedAccessView(G_D12.device, 0, 0, 0, d3d_handle);
ID3D12Device_CreateUnorderedAccessView(G_D12.device, 0, 0, &uav, d3d_handle);
}
}
}
@ -3888,7 +3919,7 @@ i64 G_CommitCommandList(G_CommandListHandle cl_handle)
//////////////////////////////
//- Attach completion info to reset descriptors
for (G_D12_Descriptor *descriptor = cl->reset_descriptors.first; descriptor; descriptor = descriptor->next)
for (G_D12_Descriptor *descriptor = cl->reset_descriptors.first; descriptor;)
{
G_D12_Descriptor *next = descriptor->next;
{
@ -4192,7 +4223,7 @@ void G_CopyTextureToTexture(G_CommandListHandle cl_handle, G_TextureRef dst_ref,
D3D12_TEXTURE_COPY_LOCATION src_loc = Zi;
D3D12_TEXTURE_COPY_LOCATION dst_loc = Zi;
{
src_loc.pResource = dst->d3d_resource;
src_loc.pResource = src->d3d_resource;
src_loc.Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX;
src_loc.SubresourceIndex = 0;
}
@ -4579,6 +4610,7 @@ G_BackbufferHandle G_PrepareBackbuffer(G_SwapchainHandle swapchain_handle, G_For
if (!backbuffer->d3d_resource)
{
ZeroStruct(backbuffer);
backbuffer->swapchain = swapchain;
HRESULT hr = IDXGISwapChain3_GetBuffer(swapchain->d3d_swapchain, backbuffer_idx, &IID_ID3D12Resource, (void **)&backbuffer->d3d_resource);
if (FAILED(hr))
{
@ -4621,23 +4653,94 @@ void G_CommitBackbuffer(G_BackbufferHandle backbuffer_handle, Vec2I32 dst_offset
G_D12_Swapchain *swapchain = backbuffer->swapchain;
G_D12_Queue *direct_queue = G_D12_QueueFromKind(G_QueueKind_Direct);
// FIXME: Copy to backbuffer here
Vec2I32 src_dims = G_Count2D(src);
src_range = IntersectRng2I32(src_range, RNG2I32(VEC2I32(0, 0), src_dims));
src_range.p1.x = MinI32(src_range.p1.x, src_range.p0.x + (swapchain->resolution.x - dst_offset.x));
src_range.p1.y = MinI32(src_range.p1.y, src_range.p0.y + (swapchain->resolution.y - dst_offset.y));
// if (!IsRng2I32Empty(src_range))
// {
// G_D12_RawCommandList *rcl = G_D12_PrepareRawCommandList(G_QueueKind_Direct);
// ID3D12GraphicsCommandList7 *d3d_cl = rcl->d3d_cl;
// {
// G_D12_InsertEvent(d3d_cl, G_D12_EventKind_Marker, Lit("Copy to backbuffer"));
// ID3D12GraphicsCommandList_CopyTextureRegion(d3d_cl, &dst_loc, dst_offset.x, dst_offset.y, dst_offset.z, &src_loc, src_box_ptr);
// }
// G_D12_CommitRawCommandList(rcl);
// }
if (!IsRng2I32Empty(src_range))
{
G_D12_Resource *src_resource = G_D12_ResourceFromTextureRef(src);
G_D12_RawCommandList *rcl = G_D12_PrepareRawCommandList(G_QueueKind_Direct);
ID3D12GraphicsCommandList7 *d3d_cl = rcl->d3d_cl;
{
G_D12_InsertEvent(d3d_cl, G_D12_EventKind_Marker, Lit("Copy to backbuffer"));
D3D12_BOX src_box = Zi;
{
src_box.left = src_range.p0.x;
src_box.top = src_range.p0.y;
src_box.front = 0;
src_box.right = src_range.p1.x;
src_box.bottom = src_range.p1.y;
src_box.back = 1;
}
D3D12_TEXTURE_COPY_LOCATION src_loc = Zi;
D3D12_TEXTURE_COPY_LOCATION dst_loc = Zi;
{
src_loc.pResource = src_resource->d3d_resource;
src_loc.Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX;
src_loc.SubresourceIndex = 0;
}
{
dst_loc.pResource = backbuffer->d3d_resource;
dst_loc.Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX;
dst_loc.SubresourceIndex = 0;
}
// Transition backbuffer to copy dest
{
D3D12_TEXTURE_BARRIER barrier = Zi;
{
barrier.SyncBefore = D3D12_BARRIER_SYNC_NONE;
barrier.SyncAfter = D3D12_BARRIER_SYNC_COPY;
barrier.AccessBefore = D3D12_BARRIER_ACCESS_NO_ACCESS;
barrier.AccessAfter = D3D12_BARRIER_ACCESS_COPY_DEST;
barrier.LayoutBefore = D3D12_BARRIER_LAYOUT_PRESENT;
barrier.LayoutAfter = D3D12_BARRIER_LAYOUT_COPY_DEST;
barrier.pResource = backbuffer->d3d_resource;
barrier.Subresources.NumArraySlices = 1;
barrier.Subresources.NumPlanes = 1;
barrier.Subresources.IndexOrFirstMipLevel = 0;
barrier.Subresources.NumMipLevels = 1;
}
D3D12_BARRIER_GROUP barrier_group = Zi;
barrier_group.Type = D3D12_BARRIER_TYPE_TEXTURE;
barrier_group.NumBarriers = 1;
barrier_group.pTextureBarriers = &barrier;
ID3D12GraphicsCommandList7_Barrier(d3d_cl, 1, &barrier_group);
}
// Copy user texture to backbuffer
ID3D12GraphicsCommandList_CopyTextureRegion(d3d_cl, &dst_loc, dst_offset.x, dst_offset.y, 0, &src_loc, &src_box);
// Transition backbuffer to presentable
{
D3D12_TEXTURE_BARRIER barrier = Zi;
{
barrier.SyncBefore = D3D12_BARRIER_SYNC_COPY;
barrier.SyncAfter = D3D12_BARRIER_SYNC_NONE;
barrier.AccessBefore = D3D12_BARRIER_ACCESS_COPY_DEST;
barrier.AccessAfter = D3D12_BARRIER_ACCESS_NO_ACCESS;
barrier.LayoutBefore = D3D12_BARRIER_LAYOUT_COPY_DEST;
barrier.LayoutAfter = D3D12_BARRIER_LAYOUT_PRESENT;
barrier.pResource = backbuffer->d3d_resource;
barrier.Subresources.NumArraySlices = 1;
barrier.Subresources.NumPlanes = 1;
barrier.Subresources.IndexOrFirstMipLevel = 0;
barrier.Subresources.NumMipLevels = 1;
}
D3D12_BARRIER_GROUP barrier_group = Zi;
barrier_group.Type = D3D12_BARRIER_TYPE_TEXTURE;
barrier_group.NumBarriers = 1;
barrier_group.pTextureBarriers = &barrier;
ID3D12GraphicsCommandList7_Barrier(d3d_cl, 1, &barrier_group);
}
}
G_D12_CommitRawCommandList(rcl);
}