Moved common/scaler* to graphics/

svn-id: r20797

1 files changed, 176 insertions, 0 deletions

diff --git a/graphics/scaler/hq3x.cpp b/graphics/scaler/hq3x.cpp
new file mode 100644
index 0000000000..497fe69be1
--- /dev/null
+++ b/graphics/scaler/hq3x.cpp
@@ -0,0 +1,176 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001  Ludvig Strigeus
+ * Copyright (C) 2001-2006 The ScummVM project
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "common/scaler/intern.h"
+
+#ifdef USE_NASM
+// Assembly version of HQ3x
+
+extern "C" {
+
+#ifndef _WIN32
+#define hq3x_16 _hq3x_16
+#endif
+
+void hq3x_16(const byte *, byte *, uint32, uint32, uint32, uint32);
+
+}
+
+void HQ3x(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
+	hq3x_16(srcPtr, dstPtr, width, height, srcPitch, dstPitch);
+}
+
+#else
+
+#ifdef HAS_ALTIVEC
+
+#ifdef __amigaos4__
+#include <proto/exec.h>
+static bool isAltiVecAvailable() {
+	uint32 vecUnit;
+	IExec->GetCPUInfo(GCIT_VectorUnit, &vecUnit, TAG_DONE);
+	if (vecUnit == VECTORTYPE_NONE)
+		return false;
+	else
+		return true;
+}
+#else
+
+#include <sys/sysctl.h>
+
+static bool isAltiVecAvailable()  {
+	int selectors[2] = { CTL_HW, HW_VECTORUNIT };
+	int hasVectorUnit = 0;
+	size_t length = sizeof(hasVectorUnit);
+	int error = sysctl(selectors, 2, &hasVectorUnit, &length, NULL, 0);
+	if ( 0 == error )
+		return hasVectorUnit != 0;
+	return false;
+}
+#endif
+#endif
+
+#define PIXEL00_1M  *(q) = interpolate16_2<bitFormat,3,1>(w5, w1);
+#define PIXEL00_1U  *(q) = interpolate16_2<bitFormat,3,1>(w5, w2);
+#define PIXEL00_1L  *(q) = interpolate16_2<bitFormat,3,1>(w5, w4);
+#define PIXEL00_2   *(q) = interpolate16_3<bitFormat,2,1,1>(w5, w4, w2);
+#define PIXEL00_4   *(q) = interpolate16_3<bitFormat,2,7,7>(w5, w4, w2);
+#define PIXEL00_5   *(q) = interpolate16_2<bitFormat,1,1>(w4, w2);
+#define PIXEL00_C   *(q) = w5;
+
+#define PIXEL01_1   *(q+1) = interpolate16_2<bitFormat,3,1>(w5, w2);
+#define PIXEL01_3   *(q+1) = interpolate16_2<bitFormat,7,1>(w5, w2);
+#define PIXEL01_6   *(q+1) = interpolate16_2<bitFormat,3,1>(w2, w5);
+#define PIXEL01_C   *(q+1) = w5;
+
+#define PIXEL02_1M  *(q+2) = interpolate16_2<bitFormat,3,1>(w5, w3);
+#define PIXEL02_1U  *(q+2) = interpolate16_2<bitFormat,3,1>(w5, w2);
+#define PIXEL02_1R  *(q+2) = interpolate16_2<bitFormat,3,1>(w5, w6);
+#define PIXEL02_2   *(q+2) = interpolate16_3<bitFormat,2,1,1>(w5, w2, w6);
+#define PIXEL02_4   *(q+2) = interpolate16_3<bitFormat,2,7,7>(w5, w2, w6);
+#define PIXEL02_5   *(q+2) = interpolate16_2<bitFormat,1,1>(w2, w6);
+#define PIXEL02_C   *(q+2) = w5;
+
+#define PIXEL10_1   *(q+nextlineDst) = interpolate16_2<bitFormat,3,1>(w5, w4);
+#define PIXEL10_3   *(q+nextlineDst) = interpolate16_2<bitFormat,7,1>(w5, w4);
+#define PIXEL10_6   *(q+nextlineDst) = interpolate16_2<bitFormat,3,1>(w4, w5);
+#define PIXEL10_C   *(q+nextlineDst) = w5;
+
+#define PIXEL11     *(q+1+nextlineDst) = w5;
+
+#define PIXEL12_1   *(q+2+nextlineDst) = interpolate16_2<bitFormat,3,1>(w5, w6);
+#define PIXEL12_3   *(q+2+nextlineDst) = interpolate16_2<bitFormat,7,1>(w5, w6);
+#define PIXEL12_6   *(q+2+nextlineDst) = interpolate16_2<bitFormat,3,1>(w6, w5);
+#define PIXEL12_C   *(q+2+nextlineDst) = w5;
+
+#define PIXEL20_1M  *(q+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w7);
+#define PIXEL20_1D  *(q+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w8);
+#define PIXEL20_1L  *(q+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w4);
+#define PIXEL20_2   *(q+nextlineDst2) = interpolate16_3<bitFormat,2,1,1>(w5, w8, w4);
+#define PIXEL20_4   *(q+nextlineDst2) = interpolate16_3<bitFormat,2,7,7>(w5, w8, w4);
+#define PIXEL20_5   *(q+nextlineDst2) = interpolate16_2<bitFormat,1,1>(w8, w4);
+#define PIXEL20_C   *(q+nextlineDst2) = w5;
+
+#define PIXEL21_1   *(q+1+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w8);
+#define PIXEL21_3   *(q+1+nextlineDst2) = interpolate16_2<bitFormat,7,1>(w5, w8);
+#define PIXEL21_6   *(q+1+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w8, w5);
+#define PIXEL21_C   *(q+1+nextlineDst2) = w5;
+
+#define PIXEL22_1M  *(q+2+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w9);
+#define PIXEL22_1D  *(q+2+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w8);
+#define PIXEL22_1R  *(q+2+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w6);
+#define PIXEL22_2   *(q+2+nextlineDst2) = interpolate16_3<bitFormat,2,1,1>(w5, w6, w8);
+#define PIXEL22_4   *(q+2+nextlineDst2) = interpolate16_3<bitFormat,2,7,7>(w5, w6, w8);
+#define PIXEL22_5   *(q+2+nextlineDst2) = interpolate16_2<bitFormat,1,1>(w6, w8);
+#define PIXEL22_C   *(q+2+nextlineDst2) = w5;
+
+#define YUV(x)	RGBtoYUV[w ## x]
+
+
+#define bitFormat 565
+void HQ3x_565(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
+	#include "common/scaler/hq3x.h"
+}
+#undef bitFormat
+
+#define bitFormat 555
+void HQ3x_555(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
+	#include "common/scaler/hq3x.h"
+}
+#undef bitFormat
+
+
+#ifdef HAS_ALTIVEC
+	#define USE_ALTIVEC	1
+
+	#define bitFormat 565
+	void HQ3x_565_Altivec(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
+		#include "common/scaler/hq3x.h"
+	}
+	#undef bitFormat
+
+	#define bitFormat 555
+	void HQ3x_555_Altivec(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
+		#include "common/scaler/hq3x.h"
+	}
+	#undef bitFormat
+#endif
+
+void HQ3x(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
+#ifdef HAS_ALTIVEC
+	if (isAltiVecAvailable()) {
+		if (gBitFormat == 565)
+			HQ3x_565_Altivec(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
+		else
+			HQ3x_555_Altivec(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
+		return;
+	}
+#endif
+
+	if (gBitFormat == 565)
+		HQ3x_565(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
+	else
+		HQ3x_555(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
+}
+
+#endif