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-rw-r--r--scumm/scaler.cpp814
-rw-r--r--scumm/scaler.h40
2 files changed, 0 insertions, 854 deletions
diff --git a/scumm/scaler.cpp b/scumm/scaler.cpp
deleted file mode 100644
index 3f6b3b9f09..0000000000
--- a/scumm/scaler.cpp
+++ /dev/null
@@ -1,814 +0,0 @@
-/* ScummVM - Scumm Interpreter
- * Copyright (C) 2001 Ludvig Strigeus
- * Copyright (C) 2001/2002 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * $Header$
- *
- */
-
-#include "stdafx.h"
-#include "scummsys.h"
-#include "scaler.h"
-
-/********** 2XSAI Filter *****************/
-static uint32 colorMask = 0xF7DEF7DE;
-static uint32 lowPixelMask = 0x08210821;
-static uint32 qcolorMask = 0xE79CE79C;
-static uint32 qlowpixelMask = 0x18631863;
-static uint32 redblueMask = 0xF81F;
-static uint32 greenMask = 0x7E0;
-
-int Init_2xSaI(uint32 BitFormat)
-{
- if (BitFormat == 565) {
- colorMask = 0xF7DEF7DE;
- lowPixelMask = 0x08210821;
- qcolorMask = 0xE79CE79C;
- qlowpixelMask = 0x18631863;
- redblueMask = 0xF81F;
- greenMask = 0x7E0;
- } else if (BitFormat == 555) {
- colorMask = 0x7BDE7BDE;
- lowPixelMask = 0x04210421;
- qcolorMask = 0x739C739C;
- qlowpixelMask = 0x0C630C63;
- redblueMask = 0x7C1F;
- greenMask = 0x3E0;
- } else {
- return 0;
- }
-
- return 1;
-}
-
-static inline int GetResult1(uint32 A, uint32 B, uint32 C, uint32 D, uint32 /* E */ )
-{
- int x = 0;
- int y = 0;
- int r = 0;
-
- if (A == C)
- x += 1;
- else if (B == C)
- y += 1;
- if (A == D)
- x += 1;
- else if (B == D)
- y += 1;
- if (x <= 1)
- r += 1;
- if (y <= 1)
- r -= 1;
- return r;
-}
-
-static inline int GetResult2(uint32 A, uint32 B, uint32 C, uint32 D, uint32 /* E */ )
-{
- int x = 0;
- int y = 0;
- int r = 0;
-
- if (A == C)
- x += 1;
- else if (B == C)
- y += 1;
- if (A == D)
- x += 1;
- else if (B == D)
- y += 1;
- if (x <= 1)
- r -= 1;
- if (y <= 1)
- r += 1;
- return r;
-}
-
-static inline int GetResult(uint32 A, uint32 B, uint32 C, uint32 D)
-{
- int x = 0;
- int y = 0;
- int r = 0;
-
- if (A == C)
- x += 1;
- else if (B == C)
- y += 1;
- if (A == D)
- x += 1;
- else if (B == D)
- y += 1;
- if (x <= 1)
- r += 1;
- if (y <= 1)
- r -= 1;
- return r;
-}
-
-static inline uint32 INTERPOLATE(uint32 A, uint32 B)
-{
- if (A != B) {
- return (((A & colorMask) >> 1) + ((B & colorMask) >> 1) + (A & B & lowPixelMask));
- } else
- return A;
-}
-
-static inline uint32 Q_INTERPOLATE(uint32 A, uint32 B, uint32 C, uint32 D)
-{
- register uint32 x = ((A & qcolorMask) >> 2) +
- ((B & qcolorMask) >> 2) + ((C & qcolorMask) >> 2) + ((D & qcolorMask) >> 2);
- register uint32 y = (A & qlowpixelMask) +
- (B & qlowpixelMask) + (C & qlowpixelMask) + (D & qlowpixelMask);
-
- y = (y >> 2) & qlowpixelMask;
- return x + y;
-}
-
-#define BLUE_MASK565 0x001F001F
-#define RED_MASK565 0xF800F800
-#define GREEN_MASK565 0x07E007E0
-
-#define BLUE_MASK555 0x001F001F
-#define RED_MASK555 0x7C007C00
-#define GREEN_MASK555 0x03E003E0
-
-void Super2xSaI(uint8 *srcPtr, uint32 srcPitch,
- uint8 *deltaPtr, uint8 *dstPtr, uint32 dstPitch, int width, int height)
-{
- uint16 *bP;
- uint8 *dP;
- uint32 inc_bP;
-
- {
- uint32 Nextline = srcPitch >> 1;
- inc_bP = 1;
-
- while (height--) {
- bP = (uint16 *)srcPtr;
- dP = (uint8 *)dstPtr;
-
- for (uint32 finish = width; finish; finish -= inc_bP) {
- uint32 color4, color5, color6;
- uint32 color1, color2, color3;
- uint32 colorA0, colorA1, colorA2, colorA3, colorB0, colorB1, colorB2, colorB3, colorS1, colorS2;
- uint32 product1a, product1b, product2a, product2b;
-
-//--------------------------------------- B1 B2
-// 4 5 6 S2
-// 1 2 3 S1
-// A1 A2
-
- colorB0 = *(bP - Nextline - 1);
- colorB1 = *(bP - Nextline);
- colorB2 = *(bP - Nextline + 1);
- colorB3 = *(bP - Nextline + 2);
-
- color4 = *(bP - 1);
- color5 = *(bP);
- color6 = *(bP + 1);
- colorS2 = *(bP + 2);
-
- color1 = *(bP + Nextline - 1);
- color2 = *(bP + Nextline);
- color3 = *(bP + Nextline + 1);
- colorS1 = *(bP + Nextline + 2);
-
- colorA0 = *(bP + Nextline + Nextline - 1);
- colorA1 = *(bP + Nextline + Nextline);
- colorA2 = *(bP + Nextline + Nextline + 1);
- colorA3 = *(bP + Nextline + Nextline + 2);
-
-//--------------------------------------
- if (color2 == color6 && color5 != color3) {
- product2b = product1b = color2;
- } else if (color5 == color3 && color2 != color6) {
- product2b = product1b = color5;
- } else if (color5 == color3 && color2 == color6) {
- register int r = 0;
-
- r += GetResult(color6, color5, color1, colorA1);
- r += GetResult(color6, color5, color4, colorB1);
- r += GetResult(color6, color5, colorA2, colorS1);
- r += GetResult(color6, color5, colorB2, colorS2);
-
- if (r > 0)
- product2b = product1b = color6;
- else if (r < 0)
- product2b = product1b = color5;
- else {
- product2b = product1b = INTERPOLATE(color5, color6);
- }
- } else {
- if (color6 == color3 && color3 == colorA1 && color2 != colorA2 && color3 != colorA0)
- product2b = Q_INTERPOLATE(color3, color3, color3, color2);
- else if (color5 == color2 && color2 == colorA2 && colorA1 != color3 && color2 != colorA3)
- product2b = Q_INTERPOLATE(color2, color2, color2, color3);
- else
- product2b = INTERPOLATE(color2, color3);
-
- if (color6 == color3 && color6 == colorB1 && color5 != colorB2 && color6 != colorB0)
- product1b = Q_INTERPOLATE(color6, color6, color6, color5);
- else if (color5 == color2 && color5 == colorB2 && colorB1 != color6 && color5 != colorB3)
- product1b = Q_INTERPOLATE(color6, color5, color5, color5);
- else
- product1b = INTERPOLATE(color5, color6);
- }
-
- if (color5 == color3 && color2 != color6 && color4 == color5 && color5 != colorA2)
- product2a = INTERPOLATE(color2, color5);
- else if (color5 == color1 && color6 == color5 && color4 != color2 && color5 != colorA0)
- product2a = INTERPOLATE(color2, color5);
- else
- product2a = color2;
-
- if (color2 == color6 && color5 != color3 && color1 == color2 && color2 != colorB2)
- product1a = INTERPOLATE(color2, color5);
- else if (color4 == color2 && color3 == color2 && color1 != color5 && color2 != colorB0)
- product1a = INTERPOLATE(color2, color5);
- else
- product1a = color5;
-
-#ifdef SCUMM_LITTLE_ENDIAN
- product1a = product1a | (product1b << 16);
- product2a = product2a | (product2b << 16);
-#endif
-
-#ifdef SCUMM_BIG_ENDIAN
- product1a = product1b | (product1a << 16);
- product2a = product2b | (product2a << 16);
-#endif
- *((uint32 *)dP) = product1a;
- *((uint32 *)(dP + dstPitch)) = product2a;
-
- bP += inc_bP;
- dP += sizeof(uint32);
- } // end of for ( finish= width etc..)
-
- srcPtr += srcPitch;
- dstPtr += dstPitch * 2;
- deltaPtr += srcPitch;
- } // while (height--)
- }
-}
-
-void SuperEagle(uint8 *srcPtr, uint32 srcPitch, uint8 *deltaPtr,
- uint8 *dstPtr, uint32 dstPitch, int width, int height)
-{
- uint8 *dP;
- uint16 *bP;
- uint32 inc_bP;
-
- {
- inc_bP = 1;
-
- uint32 Nextline = srcPitch >> 1;
-
- while (height--) {
- bP = (uint16 *)srcPtr;
- dP = dstPtr;
- for (uint32 finish = width; finish; finish -= inc_bP) {
- uint32 color4, color5, color6;
- uint32 color1, color2, color3;
- uint32 colorA1, colorA2, colorB1, colorB2, colorS1, colorS2;
- uint32 product1a, product1b, product2a, product2b;
-
- colorB1 = *(bP - Nextline);
- colorB2 = *(bP - Nextline + 1);
-
- color4 = *(bP - 1);
- color5 = *(bP);
- color6 = *(bP + 1);
- colorS2 = *(bP + 2);
-
- color1 = *(bP + Nextline - 1);
- color2 = *(bP + Nextline);
- color3 = *(bP + Nextline + 1);
- colorS1 = *(bP + Nextline + 2);
-
- colorA1 = *(bP + Nextline + Nextline);
- colorA2 = *(bP + Nextline + Nextline + 1);
-
- // --------------------------------------
- if (color2 == color6 && color5 != color3) {
- product1b = product2a = color2;
- if ((color1 == color2) || (color6 == colorB2)) {
- product1a = INTERPOLATE(color2, color5);
- product1a = INTERPOLATE(color2, product1a);
- } else {
- product1a = INTERPOLATE(color5, color6);
- }
-
- if ((color6 == colorS2) || (color2 == colorA1)) {
- product2b = INTERPOLATE(color2, color3);
- product2b = INTERPOLATE(color2, product2b);
- } else {
- product2b = INTERPOLATE(color2, color3);
- }
- } else if (color5 == color3 && color2 != color6) {
- product2b = product1a = color5;
-
- if ((colorB1 == color5) || (color3 == colorS1)) {
- product1b = INTERPOLATE(color5, color6);
- product1b = INTERPOLATE(color5, product1b);
- } else {
- product1b = INTERPOLATE(color5, color6);
- }
-
- if ((color3 == colorA2) || (color4 == color5)) {
- product2a = INTERPOLATE(color5, color2);
- product2a = INTERPOLATE(color5, product2a);
- } else {
- product2a = INTERPOLATE(color2, color3);
- }
-
- } else if (color5 == color3 && color2 == color6) {
- register int r = 0;
-
- r += GetResult(color6, color5, color1, colorA1);
- r += GetResult(color6, color5, color4, colorB1);
- r += GetResult(color6, color5, colorA2, colorS1);
- r += GetResult(color6, color5, colorB2, colorS2);
-
- if (r > 0) {
- product1b = product2a = color2;
- product1a = product2b = INTERPOLATE(color5, color6);
- } else if (r < 0) {
- product2b = product1a = color5;
- product1b = product2a = INTERPOLATE(color5, color6);
- } else {
- product2b = product1a = color5;
- product1b = product2a = color2;
- }
- } else {
- product2b = product1a = INTERPOLATE(color2, color6);
- product2b = Q_INTERPOLATE(color3, color3, color3, product2b);
- product1a = Q_INTERPOLATE(color5, color5, color5, product1a);
-
- product2a = product1b = INTERPOLATE(color5, color3);
- product2a = Q_INTERPOLATE(color2, color2, color2, product2a);
- product1b = Q_INTERPOLATE(color6, color6, color6, product1b);
- }
-#ifdef SCUMM_LITTLE_ENDIAN
- product1a = product1a | (product1b << 16);
- product2a = product2a | (product2b << 16);
-#endif
-
-#ifdef SCUMM_BIG_ENDIAN
- product1a = product1b | (product1a << 16);
- product2a = product2b | (product2a << 16);
-#endif
- *((uint32 *)dP) = product1a;
- *((uint32 *)(dP + dstPitch)) = product2a;
-
- bP += inc_bP;
- dP += sizeof(uint32);
- } // end of for ( finish= width etc..)
-
- srcPtr += srcPitch;
- dstPtr += dstPitch * 2;
- deltaPtr += srcPitch;
- } // endof: while (height--)
- }
-}
-
-void _2xSaI(uint8 *srcPtr, uint32 srcPitch, uint8 *deltaPtr,
- uint8 *dstPtr, uint32 dstPitch, int width, int height)
-{
- uint8 *dP;
- uint16 *bP;
- uint32 inc_bP;
-
-
- {
- inc_bP = 1;
-
- uint32 Nextline = srcPitch >> 1;
-
- while (height--) {
- bP = (uint16 *)srcPtr;
- dP = dstPtr;
-
- for (uint32 finish = width; finish; finish -= inc_bP) {
-
- register uint32 colorA, colorB;
- uint32 colorC, colorD,
- colorE, colorF, colorG, colorH, colorI, colorJ, colorK, colorL, colorM, colorN, colorO, colorP;
- uint32 product, product1, product2;
-
-//---------------------------------------
-// Map of the pixels: I|E F|J
-// G|A B|K
-// H|C D|L
-// M|N O|P
- colorI = *(bP - Nextline - 1);
- colorE = *(bP - Nextline);
- colorF = *(bP - Nextline + 1);
- colorJ = *(bP - Nextline + 2);
-
- colorG = *(bP - 1);
- colorA = *(bP);
- colorB = *(bP + 1);
- colorK = *(bP + 2);
-
- colorH = *(bP + Nextline - 1);
- colorC = *(bP + Nextline);
- colorD = *(bP + Nextline + 1);
- colorL = *(bP + Nextline + 2);
-
- colorM = *(bP + Nextline + Nextline - 1);
- colorN = *(bP + Nextline + Nextline);
- colorO = *(bP + Nextline + Nextline + 1);
- colorP = *(bP + Nextline + Nextline + 2);
-
- if ((colorA == colorD) && (colorB != colorC)) {
- if (((colorA == colorE) && (colorB == colorL)) || ((colorA == colorC) && (colorA == colorF)
- && (colorB != colorE)
- && (colorB == colorJ))) {
- product = colorA;
- } else {
- product = INTERPOLATE(colorA, colorB);
- }
-
- if (((colorA == colorG) && (colorC == colorO)) || ((colorA == colorB) && (colorA == colorH)
- && (colorG != colorC)
- && (colorC == colorM))) {
- product1 = colorA;
- } else {
- product1 = INTERPOLATE(colorA, colorC);
- }
- product2 = colorA;
- } else if ((colorB == colorC) && (colorA != colorD)) {
- if (((colorB == colorF) && (colorA == colorH)) || ((colorB == colorE) && (colorB == colorD)
- && (colorA != colorF)
- && (colorA == colorI))) {
- product = colorB;
- } else {
- product = INTERPOLATE(colorA, colorB);
- }
-
- if (((colorC == colorH) && (colorA == colorF)) || ((colorC == colorG) && (colorC == colorD)
- && (colorA != colorH)
- && (colorA == colorI))) {
- product1 = colorC;
- } else {
- product1 = INTERPOLATE(colorA, colorC);
- }
- product2 = colorB;
- } else if ((colorA == colorD) && (colorB == colorC)) {
- if (colorA == colorB) {
- product = colorA;
- product1 = colorA;
- product2 = colorA;
- } else {
- register int r = 0;
-
- product1 = INTERPOLATE(colorA, colorC);
- product = INTERPOLATE(colorA, colorB);
-
- r += GetResult1(colorA, colorB, colorG, colorE, colorI);
- r += GetResult2(colorB, colorA, colorK, colorF, colorJ);
- r += GetResult2(colorB, colorA, colorH, colorN, colorM);
- r += GetResult1(colorA, colorB, colorL, colorO, colorP);
-
- if (r > 0)
- product2 = colorA;
- else if (r < 0)
- product2 = colorB;
- else {
- product2 = Q_INTERPOLATE(colorA, colorB, colorC, colorD);
- }
- }
- } else {
- product2 = Q_INTERPOLATE(colorA, colorB, colorC, colorD);
-
- if ((colorA == colorC) && (colorA == colorF)
- && (colorB != colorE) && (colorB == colorJ)) {
- product = colorA;
- } else if ((colorB == colorE) && (colorB == colorD)
- && (colorA != colorF) && (colorA == colorI)) {
- product = colorB;
- } else {
- product = INTERPOLATE(colorA, colorB);
- }
-
- if ((colorA == colorB) && (colorA == colorH)
- && (colorG != colorC) && (colorC == colorM)) {
- product1 = colorA;
- } else if ((colorC == colorG) && (colorC == colorD)
- && (colorA != colorH) && (colorA == colorI)) {
- product1 = colorC;
- } else {
- product1 = INTERPOLATE(colorA, colorC);
- }
- }
-
-#ifdef SCUMM_LITTLE_ENDIAN
- product = colorA | (product << 16);
- product1 = product1 | (product2 << 16);
-#endif
-
-#ifdef SCUMM_BIG_ENDIAN
- product = (colorA << 16) | product;
- product1 = (product1 << 16) | product2;
-#endif
- *((int32 *)dP) = product;
- *((uint32 *)(dP + dstPitch)) = product1;
-
- bP += inc_bP;
- dP += sizeof(uint32);
- } // end of for ( finish= width etc..)
-
- srcPtr += srcPitch;
- dstPtr += dstPitch * 2;
- deltaPtr += srcPitch;
- } // endof: while (height--)
- }
-}
-
-static uint32 Bilinear(uint32 A, uint32 B, uint32 x)
-{
- unsigned long areaA, areaB;
- unsigned long result;
-
- if (A == B)
- return A;
-
- areaB = (x >> 11) & 0x1f; // reduce 16 bit fraction to 5 bits
- areaA = 0x20 - areaB;
-
- A = (A & redblueMask) | ((A & greenMask) << 16);
- B = (B & redblueMask) | ((B & greenMask) << 16);
-
- result = ((areaA * A) + (areaB * B)) >> 5;
-
- return (result & redblueMask) | ((result >> 16) & greenMask);
-
-}
-
-static uint32 Bilinear4(uint32 A, uint32 B, uint32 C, uint32 D, uint32 x, uint32 y)
-{
- unsigned long areaA, areaB, areaC, areaD;
- unsigned long result, xy;
-
- x = (x >> 11) & 0x1f;
- y = (y >> 11) & 0x1f;
- xy = (x * y) >> 5;
-
- A = (A & redblueMask) | ((A & greenMask) << 16);
- B = (B & redblueMask) | ((B & greenMask) << 16);
- C = (C & redblueMask) | ((C & greenMask) << 16);
- D = (D & redblueMask) | ((D & greenMask) << 16);
-
- areaA = 0x20 + xy - x - y;
- areaB = x - xy;
- areaC = y - xy;
- areaD = xy;
-
- result = ((areaA * A) + (areaB * B) + (areaC * C) + (areaD * D)) >> 5;
-
- return (result & redblueMask) | ((result >> 16) & greenMask);
-}
-
-void Scale_2xSaI(uint8 *srcPtr, uint32 srcPitch, uint8 * /* deltaPtr */ ,
- uint8 *dstPtr, uint32 dstPitch,
- uint32 dstWidth, uint32 dstHeight, int width, int height)
-{
- uint8 *dP;
- uint16 *bP;
-
- uint32 w;
- uint32 h;
- uint32 dw;
- uint32 dh;
- uint32 hfinish;
- uint32 wfinish;
-
- uint32 Nextline = srcPitch >> 1;
-
- wfinish = (width - 1) << 16; // convert to fixed point
- dw = wfinish / (dstWidth - 1);
- hfinish = (height - 1) << 16; // convert to fixed point
- dh = hfinish / (dstHeight - 1);
-
- for (h = 0; h < hfinish; h += dh) {
- uint32 y1, y2;
-
- y1 = h & 0xffff; // fraction part of fixed point
- bP = (uint16 *)(srcPtr + ((h >> 16) * srcPitch));
- dP = dstPtr;
- y2 = 0x10000 - y1;
-
- w = 0;
-
- for (; w < wfinish;) {
- uint32 A, B, C, D;
- uint32 E, F, G, H;
- uint32 I, J, K, L;
- uint32 x1, x2, a1, f1, f2;
- uint32 position, product1;
-
- position = w >> 16;
- A = bP[position]; // current pixel
- B = bP[position + 1]; // next pixel
- C = bP[position + Nextline];
- D = bP[position + Nextline + 1];
- E = bP[position - Nextline];
- F = bP[position - Nextline + 1];
- G = bP[position - 1];
- H = bP[position + Nextline - 1];
- I = bP[position + 2];
- J = bP[position + Nextline + 2];
- K = bP[position + Nextline + Nextline];
- L = bP[position + Nextline + Nextline + 1];
-
- x1 = w & 0xffff; // fraction part of fixed point
- x2 = 0x10000 - x1;
-
- /*0 */
- if (A == B && C == D && A == C)
- product1 = A;
- else
- /*1 */
- if (A == D && B != C) {
- f1 = (x1 >> 1) + (0x10000 >> 2);
- f2 = (y1 >> 1) + (0x10000 >> 2);
- if (y1 <= f1 && A == J && A != E) // close to B
- {
- a1 = f1 - y1;
- product1 = Bilinear(A, B, a1);
- } else if (y1 >= f1 && A == G && A != L) // close to C
- {
- a1 = y1 - f1;
- product1 = Bilinear(A, C, a1);
- } else if (x1 >= f2 && A == E && A != J) // close to B
- {
- a1 = x1 - f2;
- product1 = Bilinear(A, B, a1);
- } else if (x1 <= f2 && A == L && A != G) // close to C
- {
- a1 = f2 - x1;
- product1 = Bilinear(A, C, a1);
- } else if (y1 >= x1) // close to C
- {
- a1 = y1 - x1;
- product1 = Bilinear(A, C, a1);
- } else if (y1 <= x1) // close to B
- {
- a1 = x1 - y1;
- product1 = Bilinear(A, B, a1);
- }
- } else
- /*2 */
- if (B == C && A != D) {
- f1 = (x1 >> 1) + (0x10000 >> 2);
- f2 = (y1 >> 1) + (0x10000 >> 2);
- if (y2 >= f1 && B == H && B != F) // close to A
- {
- a1 = y2 - f1;
- product1 = Bilinear(B, A, a1);
- } else if (y2 <= f1 && B == I && B != K) // close to D
- {
- a1 = f1 - y2;
- product1 = Bilinear(B, D, a1);
- } else if (x2 >= f2 && B == F && B != H) // close to A
- {
- a1 = x2 - f2;
- product1 = Bilinear(B, A, a1);
- } else if (x2 <= f2 && B == K && B != I) // close to D
- {
- a1 = f2 - x2;
- product1 = Bilinear(B, D, a1);
- } else if (y2 >= x1) // close to A
- {
- a1 = y2 - x1;
- product1 = Bilinear(B, A, a1);
- } else if (y2 <= x1) // close to D
- {
- a1 = x1 - y2;
- product1 = Bilinear(B, D, a1);
- }
- }
- /*3 */
- else {
- product1 = Bilinear4(A, B, C, D, x1, y1);
- }
-
-//end First Pixel
- *(uint32 *)dP = product1;
- dP += 2;
- w += dw;
- }
- dstPtr += dstPitch;
- }
-}
-
-void AdvMame2x(uint8 *srcPtr, uint32 srcPitch, uint8 *null, uint8 *dstPtr, uint32 dstPitch,
- int width, int height)
-{
- unsigned int nextlineSrc = srcPitch / sizeof(short);
- short *p = (short *)srcPtr;
-
- unsigned nextlineDst = dstPitch / sizeof(short);
- short *q = (short *)dstPtr;
-
- while (height--) {
- for (int i = 0; i < width; ++i) {
- // short A = *(p + i - nextlineSrc - 1);
- short B = *(p + i - nextlineSrc);
- // short C = *(p + i - nextlineSrc + 1);
- short D = *(p + i - 1);
- short E = *(p + i);
- short F = *(p + i + 1);
- // short G = *(p + i + nextlineSrc - 1);
- short H = *(p + i + nextlineSrc);
- // short I = *(p + i + nextlineSrc + 1);
-
- *(q + (i << 1)) = D == B && B != F && D != H ? D : E;
- *(q + (i << 1) + 1) = B == F && B != D && F != H ? F : E;
- *(q + (i << 1) + nextlineDst) = D == H && D != B && H != F ? D : E;
- *(q + (i << 1) + nextlineDst + 1) = H == F && D != H && B != F ? F : E;
- }
- p += nextlineSrc;
- q += nextlineDst << 1;
- }
-}
-
-
-/* Beware! Contrary to the other functions in this file, this blits from 8 to 8 bit! */
-void Normal1x(uint8 *srcPtr, uint32 srcPitch, uint8 *null, uint8 *dstPtr, uint32 dstPitch,
- int width, int height)
-{
- uint8 *r;
-
- while (height--) {
- r = dstPtr;
- for (int i = 0; i < width; ++i, ++r) {
- uint8 color = *(srcPtr + i);
-
- *r = color;
- }
- srcPtr += srcPitch;
- dstPtr += dstPitch;
- }
-}
-
-/* Beware! Contrary to the other functions in this file, this blits from 8 to 8 bit! */
-void Normal2x(uint8 *srcPtr, uint32 srcPitch, uint8 *null, uint8 *dstPtr, uint32 dstPitch,
- int width, int height)
-{
- uint8 *r;
-
- while (height--) {
- r = dstPtr;
- for (int i = 0; i < width; ++i, r += 2) {
- uint8 color = *(srcPtr + i);
-
- *(r) = color;
- *(r + 1) = color;
- *(r + dstPitch) = color;
- *(r + dstPitch + 1) = color;
- }
- srcPtr += srcPitch;
- dstPtr += dstPitch << 1;
- }
-}
-
-/* Beware! Contrary to the other functions in this file, this blits from 8 to 8 bit! */
-void Normal3x(uint8 *srcPtr, uint32 srcPitch, uint8 *null, uint8 *dstPtr, uint32 dstPitch,
- int width, int height)
-{
- uint8 *r;
- uint32 dstPitch2 = dstPitch << 1;
-
- while (height--) {
- r = dstPtr;
- for (int i = 0; i < width; ++i, r += 3) {
- uint8 color = *(srcPtr + i);
-
- *(r + 0) = color;
- *(r + 1) = color;
- *(r + 2) = color;
- *(r + 0 + dstPitch) = color;
- *(r + 1 + dstPitch) = color;
- *(r + 2 + dstPitch) = color;
- *(r + 0 + dstPitch2) = color;
- *(r + 1 + dstPitch2) = color;
- *(r + 2 + dstPitch2) = color;
- }
- srcPtr += srcPitch;
- dstPtr += dstPitch * 3;
- }
-}
diff --git a/scumm/scaler.h b/scumm/scaler.h
deleted file mode 100644
index f3675ccdce..0000000000
--- a/scumm/scaler.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/* ScummVM - Scumm Interpreter
- * Copyright (C) 2002 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * $Header$
- */
-
-#ifndef SCALER_H
-#define SCALER_H
-
-extern int Init_2xSaI (uint32 BitFormat);
-extern void _2xSaI(uint8 *srcPtr, uint32 srcPitch, uint8 *deltaPtr, uint8 *dstPtr,
- uint32 dstPitch, int width, int height);
-extern void Super2xSaI(uint8 *srcPtr, uint32 srcPitch, uint8 *deltaPtr,
- uint8 *dstPtr, uint32 dstPitch, int width, int height);
-extern void SuperEagle(uint8 *srcPtr, uint32 srcPitch, uint8 *deltaPtr,
- uint8 *dstPtr, uint32 dstPitch, int width, int height);
-extern void AdvMame2x(uint8 *srcPtr, uint32 srcPitch, uint8 *null,
- uint8 *dstPtr, uint32 dstPitch, int width, int height);
-extern void Normal1x(uint8 *srcPtr, uint32 srcPitch, uint8 *null,
- uint8 *dstPtr, uint32 dstPitch, int width, int height);
-extern void Normal2x(uint8 *srcPtr, uint32 srcPitch, uint8 *null,
- uint8 *dstPtr, uint32 dstPitch, int width, int height);
-extern void Normal3x(uint8 *srcPtr, uint32 srcPitch, uint8 *null,
- uint8 *dstPtr, uint32 dstPitch, int width, int height);
-
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-12 08:38:51 +0000