Experimental: Add Support for texture scaling using PPSSPP implementa…

…tion code. Thanks to PPSSPP team for the great work.

CMakeLists.txt

@@ -594,6 +594,13 @@ if(NOT XXHASH_FOUND)
 endif()
 LIST(APPEND LIBS xxhash)
 
+if(NOT XBRZ_FOUND)
+	message("Using static xbrz from Externals")
+	add_subdirectory(Externals/xbrz)
+	include_directories(Externals/xbrz)
+endif()
+LIST(APPEND LIBS xbrz)
+
 # If zlib has already been found on a previous run of cmake don't check again
 # as the check seems to take a long time.
 if(NOT ZLIB_FOUND)

Externals/xbrz/CMakeLists.txt

@@ -0,0 +1,8 @@
+
+
+set(SRCS
+	xbrz.cpp
+)
+
+
+add_library(xbrz STATIC ${SRCS})

Externals/xbrz/config.h

@@ -0,0 +1,40 @@
+// ****************************************************************************
+// * This file is part of the HqMAME project. It is distributed under         *
+// * GNU General Public License: http://www.gnu.org/licenses/gpl.html         *
+// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved          *
+// *                                                                          *
+// * Additionally and as a special exception, the author gives permission     *
+// * to link the code of this program with the MAME library (or with modified *
+// * versions of MAME that use the same license as MAME), and distribute      *
+// * linked combinations including the two. You must obey the GNU General     *
+// * Public License in all respects for all of the code used other than MAME. *
+// * If you modify this file, you may extend this exception to your version   *
+// * of the file, but you are not obligated to do so. If you do not wish to   *
+// * do so, delete this exception statement from your version.                *
+// ****************************************************************************
+
+#ifndef XBRZ_CONFIG_HEADER_284578425345
+#define XBRZ_CONFIG_HEADER_284578425345
+
+//do NOT include any headers here! used by xBRZ_dll!!!
+
+namespace xbrz
+{
+struct ScalerCfg
+{
+    ScalerCfg() :
+        luminanceWeight_(1),
+        equalColorTolerance_(30),
+        dominantDirectionThreshold(3.6),
+        steepDirectionThreshold(2.2),
+        newTestAttribute_(0) {}
+
+    double luminanceWeight_;
+    double equalColorTolerance_;
+    double dominantDirectionThreshold;
+    double steepDirectionThreshold;
+    double newTestAttribute_; //unused; test new parameters
+};
+}
+
+#endif