From 9393a2b4b34fc11266e2f1ae5f898b64546ce0a8 Mon Sep 17 00:00:00 2001
From: "Eduardo P. Gomez" <eduardoprocopiogomez@gmail.com>
Date: Wed, 6 Mar 2024 04:13:49 -0300
Subject: [PATCH] Update file paths and fix code in d3d9.cpp and
 idirect3ddevice9.hpp

---
 include/config.hpp             |  2 +-
 include/winbase.h              |  5 ++++
 libs/d3d9/d3d9.cpp             | 52 +++++++++++++++++++++++++++++++---
 libs/d3d9/idirect3ddevice9.hpp |  8 ++++--
 prod_include/d3d9.h            |  8 +++++-
 run.sh                         |  4 +--
 tests/basic_window.cpp         |  3 +-
 7 files changed, 70 insertions(+), 12 deletions(-)

diff --git a/include/config.hpp b/include/config.hpp
index 5b071b03..5a101984 100644
--- a/include/config.hpp
+++ b/include/config.hpp
@@ -3,4 +3,4 @@
 #define DEBUG true
 
 //PREPROCESSING ONLY!!!
-#define PROJECT_SOURCE_DIR "/workspaces/OpenDX/"
+#define PROJECT_SOURCE_DIR "/home/eduardo/git/eduapps/OpenDX/"
diff --git a/include/winbase.h b/include/winbase.h
index d4ef4aeb..f73eeda7 100644
--- a/include/winbase.h
+++ b/include/winbase.h
@@ -5,3 +5,8 @@ inline LONG InterlockedIncrement(LONG volatile *p)
 {
     return __sync_add_and_fetch(p, 1);
 }
+
+inline LONG InterlockedDecrement(LONG volatile *p)
+{
+    return __sync_sub_and_fetch(p, 1);
+}
diff --git a/libs/d3d9/d3d9.cpp b/libs/d3d9/d3d9.cpp
index d5407a5e..68037e64 100644
--- a/libs/d3d9/d3d9.cpp
+++ b/libs/d3d9/d3d9.cpp
@@ -15,7 +15,7 @@
 //TODO: add ifdefs when implementing another gpu
 #include <drm/i915_drm.h>
 
-IDirect3D9::IDirect3D9 (UINT SDKVersion) {
+IDirect3D9::IDirect3D9(UINT SDKVersion) {
 	#ifdef DEBUG
 		std::cout << "libd3d9.so: IDirect3D9::IDirect3D9()" << std::endl;
 	#endif
@@ -100,9 +100,16 @@ HRESULT IDirect3D9::CreateDevice(
 		std::cout << "libd3d9.so: IDirect3D9::CreateDevice()" << std::endl;
 	#endif
 
-	//get hwnd size
-	RECT rect;
-	GetClientRect(hFocusWindow, &rect);
+	//get GtkWindow specs and put them into D3DPRESENT_PARAMETERS
+	pPresentationParameters->hDeviceWindow = hFocusWindow;
+	pPresentationParameters->BackBufferWidth = gtk_widget_get_size(hFocusWindow,GTK_ORIENTATION_HORIZONTAL);
+	pPresentationParameters->BackBufferHeight = gtk_widget_get_size(hFocusWindow,GTK_ORIENTATION_VERTICAL);
+
+	//create the device
+	IDirect3DDevice9 device = IDirect3DDevice9(/*this, pPresentationParameters*/);
+	*ppReturnedDeviceInterface = &device;
+
+	return 0;
 }
 
 ULONG IDirect3D9::Release() {
@@ -138,3 +145,40 @@ IDirect3D9* Direct3DCreate9(UINT SDKVersion) {
 
 	return r;
 }
+
+IDirect3DDevice9::IDirect3DDevice9(/*IDirect3D9* d3d, D3DPRESENT_PARAMETERS* pp*/) {
+	#ifdef DEBUG
+		std::cout << "libd3d9.so: IDirect3DDevice9::IDirect3DDevice9()" << std::endl;
+	#endif
+
+	refCount = 1;
+}
+
+ULONG IDirect3DDevice9::AddRef() {
+	DXGASSERT(((ULONG_PTR)(&refCount) & 3) == 0);
+
+	InterlockedIncrement((LONG *)&refCount);
+	return refCount;
+}
+
+ULONG IDirect3DDevice9::Release() {
+	InterlockedDecrement((LONG *)&refCount);
+	return refCount;
+}
+
+HRESULT IDirect3DDevice9::QueryInterface(REFIID riid, void** ppvObj) {
+    *ppvObj = this;
+
+	IDirect3DDevice9::AddRef();
+	return 0;
+}
+
+HRESULT IDirect3DDevice9::Clear(DWORD Count, const void/*D3DRECT*/ *pRects, DWORD Flags, int/*D3DCOLOR*/ Color, float Z, DWORD Stencil) {
+	#ifdef DEBUG
+		std::cout << "libd3d9.so: IDirect3DDevice9::Clear()" << std::endl;
+	#endif
+
+	//intel code
+
+	return 0;
+}
\ No newline at end of file
diff --git a/libs/d3d9/idirect3ddevice9.hpp b/libs/d3d9/idirect3ddevice9.hpp
index 2c10487c..49b08aea 100644
--- a/libs/d3d9/idirect3ddevice9.hpp
+++ b/libs/d3d9/idirect3ddevice9.hpp
@@ -2,6 +2,8 @@
 #include <unknwn.h>
 #include <d3d9.h>
 
-// struct IDirect3DDevice9:IUnknown {
-    
-// };
\ No newline at end of file
+/*IDirect3DDevice9::IDirect3DDevice9(IDirect3D9* d3d, D3DPRESENT_PARAMETERS* pp) {
+    #ifdef DEBUG
+        std::cout << "libd3d9.so: IDirect3DDevice9::IDirect3DDevice9()" << std::endl;
+    #endif
+}*/
\ No newline at end of file
diff --git a/prod_include/d3d9.h b/prod_include/d3d9.h
index 4be071ed..7e2260e3 100644
--- a/prod_include/d3d9.h
+++ b/prod_include/d3d9.h
@@ -191,12 +191,18 @@ struct D3DPRESENT_PARAMETERS {
 };
 typedef struct D3DPRESENT_PARAMETERS D3DPRESENT_PARAMETERS, *LPD3DPRESENT_PARAMETERS;
 
-struct IDirect3DDevice9 : public IUnknown {
+struct IDirect3DDevice9 {
+    IDirect3DDevice9();
+
     virtual HRESULT QueryInterface(REFIID riid, void** ppvObj);
     virtual ULONG AddRef();
     virtual ULONG Release();
 
+    HRESULT Clear(DWORD Count, const void/*D3DRECT*/ *pRects, DWORD Flags, int/*D3DCOLOR*/ Color, float Z, DWORD Stencil);
+
     // Define other methods required by IDirect3D9 interface
+
+    private:ULONG refCount;
 };
 typedef struct IDirect3DDevice9 *LPDIRECT3DDEVICE9, *PDIRECT3DDEVICE9;
 
diff --git a/run.sh b/run.sh
index 90df45d8..51e4d608 100755
--- a/run.sh
+++ b/run.sh
@@ -1,3 +1,3 @@
 # Run dxdiag from build directory
-cd build
-./tests/sample
\ No newline at end of file
+cd build/opendx
+./bin/sample
\ No newline at end of file
diff --git a/tests/basic_window.cpp b/tests/basic_window.cpp
index 44fd8c9d..aa151290 100644
--- a/tests/basic_window.cpp
+++ b/tests/basic_window.cpp
@@ -2,7 +2,8 @@
  * Windows API codes were commented to focus
  * on what's important: OpenDX.
  *
- * Code that doesn't work is also commented.
+ * Code that doesn't work is also commented and will be gradually
+ * fixed. This is a work in progress.
  */
 #include <opendx.h>
 #include <winuser.h>