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-rw-r--r--graphics/scaler.cpp23
-rw-r--r--graphics/scaler/hq2x_i386.asm69
-rw-r--r--graphics/scaler/hq3x_i386.asm60
-rw-r--r--graphics/scaler/intern.h50
4 files changed, 128 insertions, 74 deletions
diff --git a/graphics/scaler.cpp b/graphics/scaler.cpp
index 08fbcf6d04..f540c60205 100644
--- a/graphics/scaler.cpp
+++ b/graphics/scaler.cpp
@@ -54,10 +54,15 @@ extern "C" {
#if !defined(_WIN32) && !defined(MACOSX) && !defined(__OS2__)
#define RGBtoYUV _RGBtoYUV
#define LUT16to32 _LUT16to32
+#define hqx_highbits _hqx_highbits
+#define hqx_lowbits _hqx_lowbits
#endif
#endif
+uint32 hqx_highbits = 0xF7DEF7DE;
+uint32 hqx_lowbits = 0x0821;
+
// FIXME/TODO: The following two tables suck up 512 KB. This is bad.
// In addition we never free them...
//
@@ -114,11 +119,25 @@ void InitLUT(Graphics::PixelFormat format) {
void InitScalers(uint32 BitFormat) {
gBitFormat = BitFormat;
+
#ifndef DISABLE_HQ_SCALERS
- if (gBitFormat == 555)
+ #undef highBits;
+ #undef lowBits;
+
+ if (gBitFormat == 555) {
InitLUT(Graphics::createPixelFormat<555>());
- if (gBitFormat == 565)
+#ifdef USE_NASM
+ hqx_highbits = Graphics::ColorMasks<555>::highBits;
+ hqx_lowbits = Graphics::ColorMasks<555>::lowBits & 0xFFFF;
+#endif
+ }
+ if (gBitFormat == 565) {
InitLUT(Graphics::createPixelFormat<565>());
+#ifdef USE_NASM
+ hqx_highbits = Graphics::ColorMasks<565>::highBits;
+ hqx_lowbits = Graphics::ColorMasks<565>::lowBits & 0xFFFF;
+#endif
+ }
#endif
}
diff --git a/graphics/scaler/hq2x_i386.asm b/graphics/scaler/hq2x_i386.asm
index a4bc50c979..085df82ce5 100644
--- a/graphics/scaler/hq2x_i386.asm
+++ b/graphics/scaler/hq2x_i386.asm
@@ -22,6 +22,8 @@ GLOBAL _hq2x_16
EXTERN _LUT16to32
EXTERN _RGBtoYUV
+EXTERN _hqx_highbits
+EXTERN _hqx_lowbits
SECTION .bss
linesleft resd 1
@@ -47,10 +49,6 @@ const5 dd 0x00050005,0x00000005
const6 dd 0x00060006,0x00000006
const14 dd 0x000E000E,0x0000000E
threshold dd 0x00300706,0x00000000
-; FIXME: zerlowbits assumes 565 mode.
-; Also, in the code, the constant 0x0821 is used which also assumes 565 mode
-highbits dd 0xF7DEF7DE
-lowbits dd 0x0821
moduloSrc dd 0
moduloDst dd 0
@@ -135,17 +133,14 @@ SECTION .text
%macro Interp1 3
mov edx,%2
mov ecx,%3
- cmp edx,ecx
- je %%fin
- and edx,[highbits]
- and ecx,[highbits]
+ and edx,[_hqx_highbits]
+ and ecx,[_hqx_highbits]
add ecx,edx
shr ecx,1
- add ecx,[lowbits]
- and ecx,[highbits]
+ add ecx,[_hqx_lowbits]
+ and ecx,[_hqx_highbits]
add edx,ecx
shr edx,1
-%%fin:
mov %1,dx
%endmacro
@@ -154,19 +149,15 @@ SECTION .text
%macro Interp2 4
mov edx,%3
mov ecx,%4
- cmp edx,ecx
- je %%fin1
- and edx,[highbits]
- and ecx,[highbits]
+ and edx,[_hqx_highbits]
+ and ecx,[_hqx_highbits]
add ecx,edx
shr ecx,1
- add ecx,[lowbits]
+ add ecx,[_hqx_lowbits]
%%fin1:
mov edx,%2
- cmp edx,ecx
- je %%fin2
- and ecx,[highbits]
- and edx,[highbits]
+ and ecx,[_hqx_highbits]
+ and edx,[_hqx_highbits]
add edx,ecx
shr edx,1
%%fin2:
@@ -178,10 +169,8 @@ SECTION .text
%macro Interp5 3
mov edx,%2
mov ecx,%3
- cmp edx,ecx
- je %%fin
- and edx,[highbits]
- and ecx,[highbits]
+ and edx,[_hqx_highbits]
+ and ecx,[_hqx_highbits]
add edx,ecx
shr edx,1
%%fin:
@@ -1729,12 +1718,12 @@ _hq2x_16:
shl eax,16
or eax,edx
mov ecx,[w2]
- and edx,[highbits]
- and ecx,[highbits]
+ and edx,[_hqx_highbits]
+ and ecx,[_hqx_highbits]
add ecx,edx
shr ecx,1
- add ecx,[lowbits]
- and ecx,[highbits]
+ add ecx,[_hqx_lowbits]
+ and ecx,[_hqx_highbits]
add edx,ecx
shr edx,1
mov ecx,edx
@@ -1746,12 +1735,12 @@ _hq2x_16:
..@cross2:
shl eax,16
mov ecx,[w4]
- and edx,[highbits]
- and ecx,[highbits]
+ and edx,[_hqx_highbits]
+ and ecx,[_hqx_highbits]
add ecx,edx
shr ecx,1
- add ecx,[lowbits]
- and ecx,[highbits]
+ add ecx,[_hqx_lowbits]
+ and ecx,[_hqx_highbits]
add edx,ecx
shr edx,1
or eax,edx
@@ -1760,12 +1749,12 @@ _hq2x_16:
jmp .loopx_end
..@cross4:
mov ecx,[w6]
- and edx,[highbits]
- and ecx,[highbits]
+ and edx,[_hqx_highbits]
+ and ecx,[_hqx_highbits]
add ecx,edx
shr ecx,1
- add ecx,[lowbits]
- and ecx,[highbits]
+ add ecx,[_hqx_lowbits]
+ and ecx,[_hqx_highbits]
add edx,ecx
shr edx,1
shl edx,16
@@ -1778,12 +1767,12 @@ _hq2x_16:
shl eax,16
or eax,edx
mov ecx,[w8]
- and edx,[highbits]
- and ecx,[highbits]
+ and edx,[_hqx_highbits]
+ and ecx,[_hqx_highbits]
add ecx,edx
shr ecx,1
- add ecx,[lowbits]
- and ecx,[highbits]
+ add ecx,[_hqx_lowbits]
+ and ecx,[_hqx_highbits]
add edx,ecx
shr edx,1
mov ecx,edx
diff --git a/graphics/scaler/hq3x_i386.asm b/graphics/scaler/hq3x_i386.asm
index 43bfd85540..3212ea93ac 100644
--- a/graphics/scaler/hq3x_i386.asm
+++ b/graphics/scaler/hq3x_i386.asm
@@ -22,6 +22,8 @@ GLOBAL _hq3x_16
EXTERN _LUT16to32
EXTERN _RGBtoYUV
+EXTERN _hqx_highbits
+EXTERN _hqx_lowbits
SECTION .bss
linesleft resd 1
@@ -44,10 +46,6 @@ SECTION .data
reg_blank dd 0,0
const7 dd 0x00070007,0x00000007
threshold dd 0x00300706,0x00000000
-; FIXME: zerlowbits assumes 565 mode.
-; Also, in the code, the constant 0x0821 is used which also assumes 565 mode
-highbits dd 0xF7DEF7DE
-lowbits dd 0x0821
moduloSrc dd 0
moduloDst dd 0
@@ -134,12 +132,12 @@ SECTION .text
mov ecx,%3
cmp edx,ecx
je %%fin
- and edx,[highbits]
- and ecx,[highbits]
+ and edx,[_hqx_highbits]
+ and ecx,[_hqx_highbits]
add ecx,edx
shr ecx,1
- add ecx,[lowbits]
- and ecx,[highbits]
+ add ecx,[_hqx_lowbits]
+ and ecx,[_hqx_highbits]
add edx,ecx
shr edx,1
%%fin:
@@ -153,17 +151,17 @@ SECTION .text
mov ecx,%4
cmp edx,ecx
je %%fin1
- and edx,[highbits]
- and ecx,[highbits]
+ and edx,[_hqx_highbits]
+ and ecx,[_hqx_highbits]
add ecx,edx
shr ecx,1
- add ecx,[lowbits]
+ add ecx,[_hqx_lowbits]
%%fin1:
mov edx,%2
cmp edx,ecx
je %%fin2
- and ecx,[highbits]
- and edx,[highbits]
+ and ecx,[_hqx_highbits]
+ and edx,[_hqx_highbits]
add edx,ecx
shr edx,1
%%fin2:
@@ -224,8 +222,8 @@ SECTION .text
mov ecx,%3
cmp edx,ecx
je %%fin
- and edx,[highbits]
- and ecx,[highbits]
+ and edx,[_hqx_highbits]
+ and ecx,[_hqx_highbits]
add edx,ecx
shr edx,1
%%fin:
@@ -2303,12 +2301,12 @@ _hq3x_16:
shl eax,16
or eax,edx
mov ecx,[w2]
- and edx,[highbits]
- and ecx,[highbits]
+ and edx,[_hqx_highbits]
+ and ecx,[_hqx_highbits]
add ecx,edx
shr ecx,1
- add ecx,[lowbits]
- and ecx,[highbits]
+ add ecx,[_hqx_lowbits]
+ and ecx,[_hqx_highbits]
add edx,ecx
shr edx,1
mov [edi],dx
@@ -2324,12 +2322,12 @@ _hq3x_16:
shl eax,16
or eax,edx
mov ecx,[w4]
- and edx,[highbits]
- and ecx,[highbits]
+ and edx,[_hqx_highbits]
+ and ecx,[_hqx_highbits]
add ecx,edx
shr ecx,1
- add ecx,[lowbits]
- and ecx,[highbits]
+ add ecx,[_hqx_lowbits]
+ and ecx,[_hqx_highbits]
add edx,ecx
shr edx,1
mov [edi],dx
@@ -2344,12 +2342,12 @@ _hq3x_16:
shl eax,16
or eax,edx
mov ecx,[w6]
- and edx,[highbits]
- and ecx,[highbits]
+ and edx,[_hqx_highbits]
+ and ecx,[_hqx_highbits]
add ecx,edx
shr ecx,1
- add ecx,[lowbits]
- and ecx,[highbits]
+ add ecx,[_hqx_lowbits]
+ and ecx,[_hqx_highbits]
add edx,ecx
shr edx,1
mov [edi],eax
@@ -2364,12 +2362,12 @@ _hq3x_16:
shl eax,16
or eax,edx
mov ecx,[w8]
- and edx,[highbits]
- and ecx,[highbits]
+ and edx,[_hqx_highbits]
+ and ecx,[_hqx_highbits]
add ecx,edx
shr ecx,1
- add ecx,[lowbits]
- and ecx,[highbits]
+ add ecx,[_hqx_lowbits]
+ and ecx,[_hqx_highbits]
add edx,ecx
shr edx,1
mov [edi],eax
diff --git a/graphics/scaler/intern.h b/graphics/scaler/intern.h
index 5955aa1bac..cb78bb5bb5 100644
--- a/graphics/scaler/intern.h
+++ b/graphics/scaler/intern.h
@@ -76,7 +76,6 @@ static inline uint32 interpolate32_1_1_1_1(uint32 A, uint32 B, uint32 C, uint32
return x + y;
}
-
/**
* Interpolate two 16 bit pixels with the weights specified in the template
* parameters. Used by the hq scaler family.
@@ -100,6 +99,55 @@ static inline uint16 interpolate16_3(uint16 p1, uint16 p2, uint16 p3) {
}
+template<int bitFormat>
+static inline unsigned interpolate16_3_1(unsigned c1, unsigned c2) {
+ const unsigned lowbits=(((c1<<1)&(lowBits<<1))+(c1&qlowBits)+(c2&qlowBits))&qlowBits;
+ return ((c1*3+c2) - lowbits) >> 2;
+}
+
+template<int bitFormat>
+static inline unsigned interpolate16_2_1_1(unsigned c1, unsigned c2, unsigned c3) {
+ c1<<=1;
+ const unsigned lowbits=((c1&(lowBits<<1))+(c2&qlowBits)+(c3&qlowBits))&qlowBits;
+ return ((c1+c2+c3) - lowbits) >> 2;
+}
+
+template<int bitFormat>
+static inline unsigned interpolate16_1_1(unsigned c1, unsigned c2) {
+ return ( c1+c2 - ((c1^c2)&lowBits) ) >> 1;
+}
+
+template<int bitFormat>
+static inline unsigned interpolate16_5_2_1(unsigned c1, unsigned c2, unsigned c3) {
+ c2<<=1;
+ const unsigned lowbits=( ((c1<<2)&(lowBits<<2))+(c1&0x1CE7)+(c2&0x18C6)+(c3&0x1CE7) ) & 0x1CE7;
+ return ((c1*5+c2+c3) - lowbits) >> 3;
+}
+
+template<int bitFormat>
+static inline unsigned interpolate16_6_1_1(unsigned c1, unsigned c2, unsigned c3) {
+ const unsigned lowbits=(((((c1<<1)&(lowBits<<1))+(c1&qlowBits))<<1)+(c2&0x1CE7)+(c3&0x1CE7))&0x1CE7;
+ return ((c1*6+c2+c3) - lowbits) >> 3;
+}
+
+template<int bitFormat>
+static inline unsigned interpolate16_2_3_3(unsigned c1, unsigned c2, unsigned c3) {
+ c1<<=1;
+ const unsigned rb=(c1&(redblueMask<<1))+((c2&redblueMask)+(c3&redblueMask))*3;
+ const unsigned g=(c1&(greenMask<<1))+((c2&greenMask)+(c3&greenMask))*3;
+ return ((rb&(redblueMask<<3))|(g&(greenMask<<8)))>>3;
+}
+
+template<int bitFormat>
+static inline unsigned interpolate16_14_1_1(unsigned c1, unsigned c2, unsigned c3) {
+ const unsigned rb=(c1&redblueMask)*14+(c2&redblueMask)+(c3&redblueMask);
+ const unsigned g=(c1&greenMask)*14+(c2&greenMask)+(c3&greenMask);
+ return ((rb&(redblueMask<<4))|(g&(greenMask<<4)))>>4;
+}
+
+
+
+
/**
* Compare two YUV values (encoded 8-8-8) and check if they differ by more than
* a certain hard coded threshold. Used by the hq scaler family.
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 14:53:43 +0000