From c29105b461135f3909cca0308fb05715cee45763 Mon Sep 17 00:00:00 2001
From: Quentin LADEVIE <qladevie@wanadev.fr>
Date: Sun, 26 Jan 2025 22:27:10 +0100
Subject: DX12 command buffers and resources

---
 api-test/dx12-command-buffer.cpp | 47 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 api-test/dx12-command-buffer.cpp

(limited to 'api-test/dx12-command-buffer.cpp')

diff --git a/api-test/dx12-command-buffer.cpp b/api-test/dx12-command-buffer.cpp
new file mode 100644
index 0000000..0310dfd
--- /dev/null
+++ b/api-test/dx12-command-buffer.cpp
@@ -0,0 +1,47 @@
+#include "dx12-command-buffer.hpp"
+
+#include "dx12-device.hpp"
+
+namespace dx12 {
+    void command_buffer::start() const {
+        HRESULT hr = command_allocator->Reset();
+        assert(hr == S_OK);
+
+        hr = dx12_command_buffer->Reset(command_allocator, nullptr);
+        assert(hr == S_OK);
+
+        auto& device = dx12::device::get_render_device();
+        dx12_command_buffer->SetDescriptorHeaps(2U, dx12::device::get_bindless_model().get_heaps());
+    }
+
+    void command_buffer::stop() const {
+        HRESULT hr = dx12_command_buffer->Close();
+        assert(hr == S_OK);
+    }
+
+    void command_buffer::copy(handle<device_buffer> src_buffer, handle<device_texture> dst_texture, uint64_t offset) const {
+        auto& dst = device::get_render_device().get_texture(dst_texture);
+        D3D12_TEXTURE_COPY_LOCATION dst_copy_location {
+            .pResource = dst.resource,
+            .Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX,
+            .SubresourceIndex = 0U,
+        };
+
+        auto& src = device::get_render_device().get_buffer(src_buffer);
+        D3D12_TEXTURE_COPY_LOCATION src_copy_location {
+            .pResource = src.resource,
+            .Type = D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT,
+            .PlacedFootprint = {
+                .Offset = offset,
+                .Footprint = {
+                    .Format = dst.format,
+                    .Width = dst.width,
+                    .Height = dst.height,
+                    .Depth = dst.depth,
+                    .RowPitch = static_cast<UINT>(dst.row_pitch),
+                },
+            },
+        };
+        dx12_command_buffer->CopyTextureRegion(&dst_copy_location, 0U, 0U, 0U, &src_copy_location, nullptr);
+    }
+}
-- 
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