1 files changed, 92 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/d3d1x/gd3d11/d3d11_misc.h b/src/gallium/state_trackers/d3d1x/gd3d11/d3d11_misc.h
new file mode 100644
index 0000000000..357f51bcb9
--- /dev/null
+++ b/src/gallium/state_trackers/d3d1x/gd3d11/d3d11_misc.h
@@ -0,0 +1,92 @@
+#if API < 11
+extern "C" HRESULT STDMETHODCALLTYPE D3D10CreateBlob(
+	SIZE_T num_bytes,
+	LPD3D10BLOB *out_buffer
+);
+
+HRESULT STDMETHODCALLTYPE D3D10CreateBlob(
+	SIZE_T num_bytes,
+	LPD3D10BLOB *out_buffer
+)
+{
+	void* data = malloc(num_bytes);
+	if(!data)
+		return E_OUTOFMEMORY;
+	*out_buffer = new GalliumD3DBlob(data, num_bytes);
+	return S_OK;
+}
+
+LPCSTR STDMETHODCALLTYPE D3D10GetPixelShaderProfile(
+	ID3D10Device *device
+)
+{
+	return "ps_4_0";
+}
+
+LPCSTR STDMETHODCALLTYPE D3D10GetVertexShaderProfile(
+	ID3D10Device *device
+)
+{
+	return "vs_4_0";
+}
+
+LPCSTR STDMETHODCALLTYPE D3D10GetGeometryShaderProfile(
+	ID3D10Device *device
+)
+{
+	return "gs_4_0";
+}
+
+static HRESULT dxbc_assemble_as_blob(struct dxbc_chunk_header** chunks, unsigned num_chunks, ID3D10Blob** blob)
+{
+	std::pair<void*, size_t> p = dxbc_assemble(chunks, num_chunks);
+	if(!p.first)
+		return E_OUTOFMEMORY;
+	*blob = new GalliumD3DBlob(p.first, p.second);
+	return S_OK;
+}
+
+HRESULT D3D10GetInputSignatureBlob(
+	const void *shader_bytecode,
+	SIZE_T bytecode_length,
+	ID3D10Blob **signature_blob
+)
+{
+	dxbc_chunk_signature* sig = dxbc_find_signature(shader_bytecode, bytecode_length, false);
+	if(!sig)
+		return E_FAIL;
+
+	return dxbc_assemble_as_blob((dxbc_chunk_header**)&sig, 1, signature_blob);
+}
+
+HRESULT D3D10GetOutputSignatureBlob(
+	const void *shader_bytecode,
+	SIZE_T bytecode_length,
+	ID3D10Blob **signature_blob
+)
+{
+	dxbc_chunk_signature* sig = dxbc_find_signature(shader_bytecode, bytecode_length, true);
+	if(!sig)
+		return E_FAIL;
+
+	return dxbc_assemble_as_blob((dxbc_chunk_header**)&sig, 1, signature_blob);
+}
+
+HRESULT D3D10GetInputAndOutputSignatureBlob(
+	const void *shader_bytecode,
+	SIZE_T bytecode_length,
+	ID3D10Blob **signature_blob
+)
+{
+	dxbc_chunk_signature* sigs[2];
+	sigs[0] = dxbc_find_signature(shader_bytecode, bytecode_length, false);
+	if(!sigs[0])
+		return E_FAIL;
+	sigs[1] = dxbc_find_signature(shader_bytecode, bytecode_length, true);
+	if(!sigs[1])
+		return E_FAIL;
+
+	return dxbc_assemble_as_blob((dxbc_chunk_header**)&sigs, 2, signature_blob);
+}
+
+#endif