From 4ab6034a366602466425981b70138b3405cab78c Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Wed, 18 Apr 2018 16:48:01 +0300
Subject: [PATCH] Cleaned up Windows backend from remains of Direct3D

Removed obsolete CMake settings, useless #include's, dead code
---
 src/CMakeLists.txt       | 18 ------------------
 src/v_draw.cpp           | 12 ------------
 src/win32/win32video.cpp | 33 +--------------------------------
 3 files changed, 1 insertion(+), 62 deletions(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index de6761df93..ff47ce03e4 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -62,21 +62,6 @@ if( WIN32 )
 		set( DX_dinput8_LIBRARY dinput8 )
 	else()
 
-		find_path( D3D_INCLUDE_DIR d3d9.h
-			PATHS ENV DXSDK_DIR
-			PATH_SUFFIXES Include )
-		if( NOT D3D_INCLUDE_DIR )
-			# Modern versions of the Windows SDK include d3d9.h. Unfortunately,
-			# CMake cannot find this file via find_path, so we check for it using
-			# CHECK_INCLUDE_FILE.
-			CHECK_INCLUDE_FILE( d3d9.h D3D9_H_FOUND )
-			if ( NOT D3D9_H_FOUND )
-				message( SEND_ERROR "Could not find DirectX 9 header files" )
-			endif()
-		else()
-			include_directories( ${D3D_INCLUDE_DIR} )
-		endif()
-
 		find_path( XINPUT_INCLUDE_DIR xinput.h
 			PATHS ENV DXSDK_DIR
 			PATH_SUFFIXES Include )
@@ -1285,9 +1270,6 @@ set_source_files_properties( ${FASTMATH_SOURCES} PROPERTIES COMPILE_FLAGS ${ZD_F
 set_source_files_properties( xlat/parse_xlat.cpp PROPERTIES OBJECT_DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/xlat_parser.c" )
 set_source_files_properties( sc_man.cpp PROPERTIES OBJECT_DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/sc_man_scanner.h" )
 set_source_files_properties( ${NOT_COMPILED_SOURCE_FILES} PROPERTIES HEADER_FILE_ONLY TRUE )
-if ( WIN32 )
-	set_source_files_properties( win32/fb_d3d9.cpp win32/fb_d3d9_wipe.cpp PROPERTIES COMPILE_FLAGS ${ZD_FASTMATH_FLAG} )
-endif()
 
 
 if(${CMAKE_SYSTEM_NAME} STREQUAL "SunOS")
diff --git a/src/v_draw.cpp b/src/v_draw.cpp
index f16f09d0db..ae402e02c9 100644
--- a/src/v_draw.cpp
+++ b/src/v_draw.cpp
@@ -367,17 +367,11 @@ static inline double ListGetDouble(Va_List &tags)
 	return va_arg(tags.list, double);
 }
 
-// These two options are only being used by the D3D version of the HUD weapon drawer, they serve no purpose anywhere else.
 static inline FSpecialColormap * ListGetSpecialColormap(Va_List &tags)
 {
 	return va_arg(tags.list, FSpecialColormap *);
 }
 
-static inline FColormapStyle * ListGetColormapStyle(Va_List &tags)
-{
-	return va_arg(tags.list, FColormapStyle *);
-}
-
 static void ListEnd(VMVa_List &tags)
 {
 }
@@ -411,12 +405,6 @@ static inline FSpecialColormap * ListGetSpecialColormap(VMVa_List &tags)
 	return nullptr;
 }
 
-static inline FColormapStyle * ListGetColormapStyle(VMVa_List &tags)
-{
-	ThrowAbortException(X_OTHER, "Invalid tag in draw function");
-	return nullptr;
-}
-
 //==========================================================================
 //
 // Main taglist parsing
diff --git a/src/win32/win32video.cpp b/src/win32/win32video.cpp
index 6a314621a3..7473cd011f 100644
--- a/src/win32/win32video.cpp
+++ b/src/win32/win32video.cpp
@@ -32,46 +32,15 @@
 **
 */
 
-#ifdef _DEBUG
-#define D3D_DEBUG_INFO
-#endif
-#define DIRECTDRAW_VERSION 0x0300
-#define DIRECT3D_VERSION 0x0900
-
 #define _WIN32_WINNT 0x0501
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #include <mmsystem.h>
-#include <ddraw.h>
-#include <d3d9.h>
 
 // HEADER FILES ------------------------------------------------------------
 
-#define WIN32_LEAN_AND_MEAN
-
-#include <windows.h>
-#include <ddraw.h>
-#include <d3d9.h>
-#include <stdio.h>
-#include <ctype.h>
-
-#include "doomtype.h"
-
-#include "c_dispatch.h"
-#include "templates.h"
+#include "c_cvars.h"
 #include "i_system.h"
-#include "i_video.h"
-#include "v_video.h"
-#include "v_pfx.h"
-#include "stats.h"
-#include "doomerrors.h"
-#include "m_argv.h"
-#include "r_defs.h"
-#include "v_text.h"
-#include "version.h"
-
-
-#include "optwin32.h"
 
 // MACROS ------------------------------------------------------------------