From 4ead6cf34bbfb35f62d65a368056a210fe5736cb Mon Sep 17 00:00:00 2001
From: Alon Levy <alevy@redhat.com>
Date: Wed, 7 Nov 2012 17:34:36 +0100
Subject: wddm/um/qxlum.c: OpenAdapter10, try CreateFile/WriteFile (failed),
 try calling pfnQueryAdapterInfoCb - mingw example fails during dwmapi.dll
 load

---
 wddm/umd/qxlum.c   | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 wddm/umd/qxlum.def |  2 +-
 wddm/umd/sources   |  1 +
 3 files changed, 68 insertions(+), 1 deletion(-)

diff --git a/wddm/umd/qxlum.c b/wddm/umd/qxlum.c
index 9e09f37..992e54e 100644
--- a/wddm/umd/qxlum.c
+++ b/wddm/umd/qxlum.c
@@ -1,11 +1,77 @@
+#include <stdio.h>
+
+#include <winerror.h>
+#include <windows.h>
 #include <windef.h>
+#include <crtdbg.h>
+
+/* TODO: fix this
+ * Copy NTSTATUS & PHYSICAL_ADDRESS typedefs from ntdef.h over here because it
+ * conflicts with winnt.h which is required by windows.h (not directly) */
+typedef LARGE_INTEGER PHYSICAL_ADDRESS, *PPHYSICAL_ADDRESS;
+typedef LONG NTSTATUS;
+
 #include <d3dtypes.h>
+#ifdef DEFINE_OPENADAPTER
 #include <d3dumddi.h>
+#endif
+#include <d3d10umddi.h>
+
+static void log_file_v(const char *format, va_list ap)
+{
+    static HANDLE h;
+    char buf[2048];
+    DWORD bytes_written;
+    int n;
+
+    if (h == 0) {
+        h = CreateFile("c:\\qxlum.log", FILE_WRITE_DATA | FILE_APPEND_DATA, 0, NULL, OPEN_ALWAYS,
+                       FILE_ATTRIBUTE_NORMAL, NULL);
+        if (h == INVALID_HANDLE_VALUE) {
+            return; // TODO - log this..
+        }
+        SetFilePointer(h, 0, NULL, FILE_END);
+    }
+    if (h == INVALID_HANDLE_VALUE) {
+        return; // TODO - log this..
+    }
+    n = _vsnprintf_s(buf, sizeof(buf), _TRUNCATE, format, ap);
+    WriteFile(h, buf, n, &bytes_written, NULL);
+}
+
+static void log_file(const char *format, ...)
+{
+    va_list ap;
 
+    va_start(ap, format);
+    log_file_v(format, ap);
+    va_end(ap);
+}
+
+// TODO: mingw ifdef to __func__
+#define QXL_FUNCTION __FUNCTION__
+
+// Required for Directx 9 - not sure if we can forgoe this, let's try
+#ifdef DEFINE_OPENADAPTER
 __declspec(dllexport) HRESULT OpenAdapter(
           D3DDDIARG_OPENADAPTER *pOpenData
         )
 {
+    log_file("%s: TODO\n", QXL_FUNCTION);
     // return S_OK;
     return E_OUTOFMEMORY;
 }
+#endif
+
+__declspec(dllexport) HRESULT OpenAdapter10(
+        D3D10DDIARG_OPENADAPTER *pOpenData
+        )
+{
+    const D3DDDI_ADAPTERCALLBACKS *adapter_callbacks = pOpenData->pAdapterCallbacks;
+    void *adapter = pOpenData->hRTAdapter.handle;
+    D3DDDICB_QUERYADAPTERINFO info;
+
+    log_file("%s: TODO\n", QXL_FUNCTION);
+    adapter_callbacks->pfnQueryAdapterInfoCb(adapter, &info);
+    return S_OK;
+}
diff --git a/wddm/umd/qxlum.def b/wddm/umd/qxlum.def
index ccf9f95..58c2b6d 100644
--- a/wddm/umd/qxlum.def
+++ b/wddm/umd/qxlum.def
@@ -1,2 +1,2 @@
 EXPORTS
-    OpenAdapter
+    OpenAdapter10
diff --git a/wddm/umd/sources b/wddm/umd/sources
index 4d9d392..96525e2 100644
--- a/wddm/umd/sources
+++ b/wddm/umd/sources
@@ -1,6 +1,7 @@
 TARGETNAME=qxlum
 TARGETTYPE=DYNLINK
 SOURCES=qxlum.c
+USE_MSVCRT=1
 TARGETLIBS= \
     $(DDK_LIB_PATH)\kernel32.lib
 
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