From 7f6002caba3f0a6749820c2772161caf55b8d267 Mon Sep 17 00:00:00 2001
From: neonloop
Date: Fri, 7 May 2021 20:00:12 +0000
Subject: Initial commit (uqm-0.8.0)

---
 src/libs/graphics/sdl/2xscalers_sse.c | 100 ++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 src/libs/graphics/sdl/2xscalers_sse.c

(limited to 'src/libs/graphics/sdl/2xscalers_sse.c')

diff --git a/src/libs/graphics/sdl/2xscalers_sse.c b/src/libs/graphics/sdl/2xscalers_sse.c
new file mode 100644
index 0000000..a089744
--- /dev/null
+++ b/src/libs/graphics/sdl/2xscalers_sse.c
@@ -0,0 +1,100 @@
+/*
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include "port.h"
+#include "libs/platform.h"
+
+#if defined(MMX_ASM)
+
+#include "libs/graphics/sdl/sdl_common.h"
+#include "types.h"
+#include "scalers.h"
+#include "scaleint.h"
+#include "2xscalers.h"
+#include "2xscalers_mmx.h"
+
+// SSE name for all functions
+#undef SCALE_
+#define SCALE_(name) Scale ## _SSE_ ## name
+
+// Tell them which opcodes we want to support
+#define USE_MOVNTQ
+#define USE_PREFETCH  INTEL_PREFETCH
+#define USE_PSADBW
+// Bring in inline asm functions
+#include "scalemmx.h"
+
+
+// Scaler function lookup table
+//
+const Scale_FuncDef_t
+Scale_SSE_Functions[] =
+{
+	{TFB_GFXFLAGS_SCALE_BILINEAR,   Scale_SSE_BilinearFilter},
+	{TFB_GFXFLAGS_SCALE_BIADAPT,    Scale_BiAdaptFilter},
+	{TFB_GFXFLAGS_SCALE_BIADAPTADV, Scale_SSE_BiAdaptAdvFilter},
+	{TFB_GFXFLAGS_SCALE_TRISCAN,    Scale_SSE_TriScanFilter},
+	{TFB_GFXFLAGS_SCALE_HQXX,       Scale_MMX_HqFilter},
+	// Default
+	{0,                             Scale_SSE_Nearest}
+};
+
+
+void
+Scale_SSE_PrepPlatform (const SDL_PixelFormat* fmt)
+{
+	Scale_MMX_PrepPlatform (fmt);
+}
+
+// Nearest Neighbor scaling to 2x
+//	void Scale_SSE_Nearest (SDL_Surface *src,
+//			SDL_Surface *dst, SDL_Rect *r)
+
+#include "nearest2x.c"
+
+
+// Bilinear scaling to 2x
+//	void Scale_SSE_BilinearFilter (SDL_Surface *src,
+//			SDL_Surface *dst, SDL_Rect *r)
+
+#include "bilinear2x.c"
+
+
+// Advanced Biadapt scaling to 2x
+//	void Scale_SSE_BiAdaptAdvFilter (SDL_Surface *src,
+//			SDL_Surface *dst, SDL_Rect *r)
+
+#include "biadv2x.c"
+
+
+// Triscan scaling to 2x
+// derivative of scale2x -- scale2x.sf.net
+//	void Scale_SSE_TriScanFilter (SDL_Surface *src,
+//			SDL_Surface *dst, SDL_Rect *r)
+
+#include "triscan2x.c"
+
+#if 0 && NO_IMPROVEMENT
+// Hq2x scaling
+//		(adapted from 'hq2x' by Maxim Stepin -- www.hiend3d.com/hq2x.html)
+//	void Scale_SSE_HqFilter (SDL_Surface *src,
+//			SDL_Surface *dst, SDL_Rect *r)
+
+#include "hq2x.c"
+#endif
+
+#endif /* MMX_ASM */
+
-- 
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