ShuriZma
/
visualboyadvance-m
mirror of https://github.com/visualboyadvance-m/visualboyadvance-m.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Optimized some stuff in the renderer. 

git-svn-id: https://svn.code.sf.net/p/vbam/code/trunk@368 a31d4220-a93d-0410-bf67-fe4944624d44
This commit is contained in:
jbo_85 2008-02-13 23:16:16 +00:00
parent 4d0775a977
commit b6cc37c047
9 changed files with 356 additions and 600 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/GBA-arm.cpp
View File

@ -27,7 +27,6 @@
#include "GBAcpu.h"
#include "GBAinline.h"
#include "Globals.h"
#include "Gfx.h"
#include "EEprom.h"
#include "Flash.h"
#include "Sound.h"

1
src/GBA-thumb.cpp
View File

@ -27,7 +27,6 @@
#include "GBAcpu.h"
#include "GBAinline.h"
#include "Globals.h"
#include "Gfx.h"
#include "EEprom.h"
#include "Flash.h"
#include "Sound.h"

142
src/Gfx.h
View File

@ -159,7 +159,7 @@ static inline void gfxDrawTextScreen(u16 control, u16 hofs, u16 vofs,
if(mosaicOn) {
if((VCOUNT % mosaicY) != 0) {
mosaicY = (VCOUNT / mosaicY) * mosaicY;
mosaicY = VCOUNT - (VCOUNT % mosaicY);
yyy = (vofs + mosaicY) & maskY;
}
}
@ -181,6 +181,9 @@ static inline void gfxDrawTextScreen(u16 control, u16 hofs, u16 vofs,
int tileX = (xxx & 7);
int tileY = yyy & 7;
if(tileX == 7)
screenSource++;
if(data & 0x0400)
tileX = 7 - tileX;
if(data & 0x0800)
@ -190,11 +193,6 @@ static inline void gfxDrawTextScreen(u16 control, u16 hofs, u16 vofs,
line[x] = color ? (READ16LE(&palette[color]) | prio): 0x80000000;
if(data & 0x0400) {
if(tileX == 0)
screenSource++;
} else if(tileX == 7)
screenSource++;
xxx++;
if(xxx == 256) {
if(sizeX > 256)
@ -218,6 +216,9 @@ static inline void gfxDrawTextScreen(u16 control, u16 hofs, u16 vofs,
int tileX = (xxx & 7);
int tileY = yyy & 7;
if(tileX == 7)
screenSource++;
if(data & 0x0400)
tileX = 7 - tileX;
if(data & 0x0800)
@ -231,14 +232,9 @@ static inline void gfxDrawTextScreen(u16 control, u16 hofs, u16 vofs,
color &= 0x0F;
}
int pal = (READ16LE(screenSource)>>8) & 0xF0;
int pal = (data>>8) & 0xF0;
line[x] = color ? (READ16LE(&palette[pal + color])|prio): 0x80000000;
if(data & 0x0400) {
if(tileX == 0)
screenSource++;
} else if(tileX == 7)
screenSource++;
xxx++;
if(xxx == 256) {
if(sizeX > 256)
@ -345,44 +341,28 @@ static inline void gfxDrawRotScreen(u16 control,
realY -= y*dmy;
}
int xxx = (realX >> 8);
int yyy = (realY >> 8);
if(control & 0x2000) {
xxx &= maskX;
yyy &= maskY;
}
if(control & 0x80) {
for(int x = 0; x < 240; x++) {
if(xxx < 0 ||
yyy < 0 ||
xxx >= sizeX ||
yyy >= sizeY) {
line[x] = 0x80000000;
} else {
int tile = screenBase[(xxx>>3) + ((yyy>>3)<<yshift)];
int xxx = (realX >> 8) & maskX;
int yyy = (realY >> 8) & maskY;
int tileX = (xxx & 7);
int tileY = yyy & 7;
int tile = screenBase[(xxx>>3) + ((yyy>>3)<<yshift)];
u8 color = charBase[(tile<<6) + (tileY<<3) + tileX];
int tileX = (xxx & 7);
int tileY = yyy & 7;
u8 color = charBase[(tile<<6) + (tileY<<3) + tileX];
line[x] = color ? (READ16LE(&palette[color])|prio): 0x80000000;
line[x] = color ? (READ16LE(&palette[color])|prio): 0x80000000;
}
realX += dx;
realY += dy;
xxx = (realX >> 8);
yyy = (realY >> 8);
if(control & 0x2000) {
xxx &= maskX;
yyy &= maskY;
}
}
} else {
for(int x = 0; x < 240; x++) {
int xxx = (realX >> 8);
int yyy = (realY >> 8);
if(xxx < 0 ||
yyy < 0 ||
xxx >= sizeX ||
@ -400,14 +380,6 @@ static inline void gfxDrawRotScreen(u16 control,
}
realX += dx;
realY += dy;
xxx = (realX >> 8);
yyy = (realY >> 8);
if(control & 0x2000) {
xxx &= maskX;
yyy &= maskY;
}
}
}
@ -583,7 +555,7 @@ static inline void gfxDrawRotScreen256(u16 control,
if(control & 0x40) {
int mosaicY = ((MOSAIC & 0xF0)>>4) + 1;
int y = (VCOUNT / mosaicY) * mosaicY;
int y = VCOUNT - (VCOUNT % mosaicY);
realX = startX + y*dmx;
realY = startY + y*dmy;
}
@ -684,7 +656,7 @@ static inline void gfxDrawRotScreen16Bit160(u16 control,
if(control & 0x40) {
int mosaicY = ((MOSAIC & 0xF0)>>4) + 1;
int y = (VCOUNT / mosaicY) * mosaicY;
int y = VCOUNT - (VCOUNT % mosaicY);
realX = startX + y*dmx;
realY = startY + y*dmy;
}
@ -1508,21 +1480,13 @@ static inline void gfxDrawOBJWin(u32 *lineOBJWin)
static inline u32 gfxIncreaseBrightness(u32 color, int coeff)
{
int r = (color & 0x1F);
int g = ((color >> 5) & 0x1F);
int b = ((color >> 10) & 0x1F);
color &= 0xffff;
color = ((color << 16) | color) & 0x3E07C1F;
r = r + (((31 - r) * coeff) >> 4);
g = g + (((31 - g) * coeff) >> 4);
b = b + (((31 - b) * coeff) >> 4);
if(r > 31)
r = 31;
if(g > 31)
g = 31;
if(b > 31)
b = 31;
color = (color & 0xFFFF0000) | (b << 10) | (g << 5) | r;
return color;
color = color + (((0x3E07C1F - color) * coeff) >> 4);
color &= 0x3E07C1F;
return (color >> 16) | color;
}
static inline void gfxIncreaseBrightness(u32 *line, int coeff)
@ -1548,22 +1512,12 @@ static inline void gfxIncreaseBrightness(u32 *line, int coeff)
static inline u32 gfxDecreaseBrightness(u32 color, int coeff)
{
int r = (color & 0x1F);
int g = ((color >> 5) & 0x1F);
int b = ((color >> 10) & 0x1F);
color &= 0xffff;
color = ((color << 16) | color) & 0x3E07C1F;
r = r - ((r * coeff) >> 4);
g = g - ((g * coeff) >> 4);
b = b - ((b * coeff) >> 4);
if(r < 0)
r = 0;
if(g < 0)
g = 0;
if(b < 0)
b = 0;
color = (color & 0xFFFF0000) | (b << 10) | (g << 5) | r;
color = color - (((color * coeff) >> 4) & 0x3E07C1F);
return color;
return (color >> 16) | color;
}
static inline void gfxDecreaseBrightness(u32 *line, int coeff)
@ -1590,25 +1544,25 @@ static inline void gfxDecreaseBrightness(u32 *line, int coeff)
static inline u32 gfxAlphaBlend(u32 color, u32 color2, int ca, int cb)
{
if(color < 0x80000000) {
int r = (color & 0x1F);
int g = ((color >> 5) & 0x1F);
int b = ((color >> 10) & 0x1F);
int r0 = (color2 & 0x1F);
int g0 = ((color2 >> 5) & 0x1F);
int b0 = ((color2 >> 10) & 0x1F);
color&=0xffff;
color2&=0xffff;
r = ((r * ca) + (r0 * cb)) >> 4;
g = ((g * ca) + (g0 * cb)) >> 4;
b = ((b * ca) + (b0 * cb)) >> 4;
color = ((color << 16) | color) & 0x03E07C1F;
color2 = ((color2 << 16) | color2) & 0x03E07C1F;
color = ((color * ca) + (color2 * cb)) >> 4;
if(r > 31)
r = 31;
if(g > 31)
g = 31;
if(b > 31)
b = 31;
if ((ca + cb)>16)
{
if (color & 0x20)
color |= 0x1f;
if (color & 0x8000)
color |= 0x7C00;
if (color & 0x4000000)
color |= 0x03E00000;
}
return (color & 0xFFFF0000) | (b << 10) | (g << 5) | r;
color &= 0x03E07C1F;
color = (color >> 16) | color;
}
return color;
}

193
src/Mode0.cpp
View File

@ -109,18 +109,18 @@ void mode0RenderLine()
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
else {
switch((BLDMOD >> 6) & 3) {
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
else {
switch((BLDMOD >> 6) & 3) {
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
}
}
lineMix[x] = color;
@ -400,111 +400,7 @@ void mode0RenderLineAll()
top = 0x10;
}
// special FX on in the window
if(mask & 32) {
if(!(color & 0x00010000)) {
switch((BLDMOD >> 6) & 3) {
case 0:
break;
case 1:
{
if(top & BLDMOD) {
u32 back = backdrop;
u8 top2 = 0x20;
if((mask & 1) && (u8)(line0[x]>>24) < (u8)(back >> 24)) {
if(top != 0x01) {
back = line0[x];
top2 = 0x01;
}
}
if((mask & 2) && (u8)(line1[x]>>24) < (u8)(back >> 24)) {
if(top != 0x02) {
back = line1[x];
top2 = 0x02;
}
}
if((mask & 4) && (u8)(line2[x]>>24) < (u8)(back >> 24)) {
if(top != 0x04) {
back = line2[x];
top2 = 0x04;
}
}
if((mask & 8) && (u8)(line3[x]>>24) < (u8)(back >> 24)) {
if(top != 0x08) {
back = line3[x];
top2 = 0x08;
}
}
if((mask & 16) && (u8)(lineOBJ[x]>>24) < (u8)(back >> 24)) {
if(top != 0x10) {
back = lineOBJ[x];
top2 = 0x10;
}
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
}
}
break;
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
} else {
// semi-transparent OBJ
u32 back = backdrop;
u8 top2 = 0x20;
if((mask & 1) && ((u8)(line0[x]>>24) < (u8)(back >> 24))) {
back = line0[x];
top2 = 0x01;
}
if((mask & 2) && ((u8)(line1[x]>>24) < (u8)(back >> 24))) {
back = line1[x];
top2 = 0x02;
}
if((mask & 4) && ((u8)(line2[x]>>24) < (u8)(back >> 24))) {
back = line2[x];
top2 = 0x04;
}
if((mask & 8) && ((u8)(line3[x]>>24) < (u8)(back >> 24))) {
back = line3[x];
top2 = 0x08;
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
else {
switch((BLDMOD >> 6) & 3) {
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
}
}
} else if(color & 0x00010000) {
if(color & 0x00010000) {
// semi-transparent OBJ
u32 back = backdrop;
u8 top2 = 0x20;
@ -531,8 +427,8 @@ void mode0RenderLineAll()
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
else {
switch((BLDMOD >> 6) & 3) {
case 2:
@ -545,6 +441,67 @@ void mode0RenderLineAll()
break;
}
}
} else if(mask & 32) {
// special FX on in the window
switch((BLDMOD >> 6) & 3) {
case 0:
break;
case 1:
{
if(top & BLDMOD) {
u32 back = backdrop;
u8 top2 = 0x20;
if((mask & 1) && (u8)(line0[x]>>24) < (u8)(back >> 24)) {
if(top != 0x01) {
back = line0[x];
top2 = 0x01;
}
}
if((mask & 2) && (u8)(line1[x]>>24) < (u8)(back >> 24)) {
if(top != 0x02) {
back = line1[x];
top2 = 0x02;
}
}
if((mask & 4) && (u8)(line2[x]>>24) < (u8)(back >> 24)) {
if(top != 0x04) {
back = line2[x];
top2 = 0x04;
}
}
if((mask & 8) && (u8)(line3[x]>>24) < (u8)(back >> 24)) {
if(top != 0x08) {
back = line3[x];
top2 = 0x08;
}
}
if((mask & 16) && (u8)(lineOBJ[x]>>24) < (u8)(back >> 24)) {
if(top != 0x10) {
back = lineOBJ[x];
top2 = 0x10;
}
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
}
}
break;
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
}
lineMix[x] = color;

149
src/Mode1.cpp
View File

@ -376,99 +376,7 @@ void mode1RenderLineAll()
top = 0x10;
}
// special FX on the window
if(mask & 32) {
if(!(color & 0x00010000)) {
switch((BLDMOD >> 6) & 3) {
case 0:
break;
case 1:
{
if(top & BLDMOD) {
u32 back = backdrop;
u8 top2 = 0x20;
if((mask & 1) && (u8)(line0[x]>>24) < (u8)(back >> 24)) {
if(top != 0x01) {
back = line0[x];
top2 = 0x01;
}
}
if((mask & 2) && (u8)(line1[x]>>24) < (u8)(back >> 24)) {
if(top != 0x02) {
back = line1[x];
top2 = 0x02;
}
}
if((mask & 4) && (u8)(line2[x]>>24) < (u8)(back >> 24)) {
if(top != 0x04) {
back = line2[x];
top2 = 0x04;
}
}
if((mask & 16) && (u8)(lineOBJ[x]>>24) < (u8)(back >> 24)) {
if(top != 0x10) {
back = lineOBJ[x];
top2 = 0x10;
}
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
}
}
break;
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
} else {
// semi-transparent OBJ
u32 back = backdrop;
u8 top2 = 0x20;
if((mask & 1) && (u8)(line0[x]>>24) < (u8)(back >> 24)) {
back = line0[x];
top2 = 0x01;
}
if((mask & 2) && (u8)(line1[x]>>24) < (u8)(back >> 24)) {
back = line1[x];
top2 = 0x02;
}
if((mask & 4) && (u8)(line2[x]>>24) < (u8)(back >> 24)) {
back = line2[x];
top2 = 0x04;
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
else {
switch((BLDMOD >> 6) & 3) {
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
}
}
} else if(color & 0x00010000) {
if(color & 0x00010000) {
// semi-transparent OBJ
u32 back = backdrop;
u8 top2 = 0x20;
@ -504,6 +412,61 @@ void mode1RenderLineAll()
break;
}
}
} else if(mask & 32) {
// special FX on the window
switch((BLDMOD >> 6) & 3) {
case 0:
break;
case 1:
{
if(top & BLDMOD) {
u32 back = backdrop;
u8 top2 = 0x20;
if((mask & 1) && (u8)(line0[x]>>24) < (u8)(back >> 24)) {
if(top != 0x01) {
back = line0[x];
top2 = 0x01;
}
}
if((mask & 2) && (u8)(line1[x]>>24) < (u8)(back >> 24)) {
if(top != 0x02) {
back = line1[x];
top2 = 0x02;
}
}
if((mask & 4) && (u8)(line2[x]>>24) < (u8)(back >> 24)) {
if(top != 0x04) {
back = line2[x];
top2 = 0x04;
}
}
if((mask & 16) && (u8)(lineOBJ[x]>>24) < (u8)(back >> 24)) {
if(top != 0x10) {
back = lineOBJ[x];
top2 = 0x10;
}
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
}
}
break;
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
}
lineMix[x] = color;

134
src/Mode2.cpp
View File

@ -357,87 +357,7 @@ void mode2RenderLineAll()
top = 0x10;
}
if(mask & 32) {
if(!(color & 0x00010000)) {
switch((BLDMOD >> 6) & 3) {
case 0:
break;
case 1:
{
if(top & BLDMOD) {
u32 back = backdrop;
u8 top2 = 0x20;
if((mask & 4) && line2[x] < back) {
if(top != 0x04) {
back = line2[x];
top2 = 0x04;
}
}
if((mask & 8) && (u8)(line3[x]>>24) < (u8)(back >> 24)) {
if(top != 0x08) {
back = line3[x];
top2 = 0x08;
}
}
if((mask & 16) && (u8)(lineOBJ[x]>>24) < (u8)(back >> 24)) {
if(top != 0x10) {
back = lineOBJ[x];
top2 = 0x10;
}
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
}
}
break;
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
} else {
// semi-transparent OBJ
u32 back = backdrop;
u8 top2 = 0x20;
if((mask & 4) && line2[x] < back) {
back = line2[x];
top2 = 0x04;
}
if((mask & 8) && (u8)(line3[x]>>24) < (u8)(back >> 24)) {
back = line3[x];
top2 = 0x08;
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
else {
switch((BLDMOD >> 6) & 3) {
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
}
}
} else if(color & 0x00010000) {
if(color & 0x00010000) {
// semi-transparent OBJ
u32 back = backdrop;
u8 top2 = 0x20;
@ -454,8 +374,8 @@ void mode2RenderLineAll()
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
else {
switch((BLDMOD >> 6) & 3) {
case 2:
@ -468,6 +388,54 @@ void mode2RenderLineAll()
break;
}
}
} else if(mask & 32) {
// special FX on the window
switch((BLDMOD >> 6) & 3) {
case 0:
break;
case 1:
{
if(top & BLDMOD) {
u32 back = backdrop;
u8 top2 = 0x20;
if((mask & 4) && line2[x] < back) {
if(top != 0x04) {
back = line2[x];
top2 = 0x04;
}
}
if((mask & 8) && (u8)(line3[x]>>24) < (u8)(back >> 24)) {
if(top != 0x08) {
back = line3[x];
top2 = 0x08;
}
}
if((mask & 16) && (u8)(lineOBJ[x]>>24) < (u8)(back >> 24)) {
if(top != 0x10) {
back = lineOBJ[x];
top2 = 0x10;
}
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
}
}
break;
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
}
lineMix[x] = color;

112
src/Mode3.cpp
View File

@ -301,76 +301,7 @@ void mode3RenderLineAll()
top = 0x10;
}
if(mask & 32) {
if(!(color & 0x00010000)) {
switch((BLDMOD >> 6) & 3) {
case 0:
break;
case 1:
{
if(top & BLDMOD) {
u32 back = background;
u8 top2 = 0x20;
if((mask & 4) && line2[x] < back) {
if(top != 0x04) {
back = line2[x];
top2 = 0x04;
}
}
if((mask & 16) && (u8)(lineOBJ[x]>>24) < (u8)(back >> 24)) {
if(top != 0x10) {
back = lineOBJ[x];
top2 = 0x10;
}
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
}
}
break;
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
} else {
// semi-transparent OBJ
u32 back = background;
u8 top2 = 0x20;
if((mask & 4) && line2[x] < back) {
back = line2[x];
top2 = 0x04;
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
else {
switch((BLDMOD >> 6) & 3) {
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
}
}
} else if(color & 0x00010000) {
if(color & 0x00010000) {
// semi-transparent OBJ
u32 back = background;
u8 top2 = 0x20;
@ -396,6 +327,47 @@ void mode3RenderLineAll()
break;
}
}
} else if(mask & 32) {
switch((BLDMOD >> 6) & 3) {
case 0:
break;
case 1:
{
if(top & BLDMOD) {
u32 back = background;
u8 top2 = 0x20;
if((mask & 4) && line2[x] < back) {
if(top != 0x04) {
back = line2[x];
top2 = 0x04;
}
}
if((mask & 16) && (u8)(lineOBJ[x]>>24) < (u8)(back >> 24)) {
if(top != 0x10) {
back = lineOBJ[x];
top2 = 0x10;
}
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
}
}
break;
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
}
lineMix[x] = color;

112
src/Mode4.cpp
View File

@ -298,76 +298,7 @@ void mode4RenderLineAll()
top = 0x10;
}
if(mask & 32) {
if(!(color & 0x00010000)) {
switch((BLDMOD >> 6) & 3) {
case 0:
break;
case 1:
{
if(top & BLDMOD) {
u32 back = backdrop;
u8 top2 = 0x20;
if((mask & 4) && line2[x] < back) {
if(top != 0x04) {
back = line2[x];
top2 = 0x04;
}
}
if((mask & 16) && (u8)(lineOBJ[x]>>24) < (u8)(back >> 24)) {
if(top != 0x10) {
back = lineOBJ[x];
top2 = 0x10;
}
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
}
}
break;
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
} else {
// semi-transparent OBJ
u32 back = backdrop;
u8 top2 = 0x20;
if((mask & 4) && line2[x] < back) {
back = line2[x];
top2 = 0x04;
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
else {
switch((BLDMOD >> 6) & 3) {
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
}
}
} else if(color & 0x00010000) {
if(color & 0x00010000) {
// semi-transparent OBJ
u32 back = backdrop;
u8 top2 = 0x20;
@ -393,6 +324,47 @@ void mode4RenderLineAll()
break;
}
}
} else if(mask & 32) {
switch((BLDMOD >> 6) & 3) {
case 0:
break;
case 1:
{
if(top & BLDMOD) {
u32 back = backdrop;
u8 top2 = 0x20;
if((mask & 4) && line2[x] < back) {
if(top != 0x04) {
back = line2[x];
top2 = 0x04;
}
}
if((mask & 16) && (u8)(lineOBJ[x]>>24) < (u8)(back >> 24)) {
if(top != 0x10) {
back = lineOBJ[x];
top2 = 0x10;
}
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
}
}
break;
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
}
lineMix[x] = color;

112
src/Mode5.cpp
View File

@ -301,76 +301,7 @@ void mode5RenderLineAll()
top = 0x10;
}
if(mask & 32) {
if(!(color & 0x00010000)) {
switch((BLDMOD >> 6) & 3) {
case 0:
break;
case 1:
{
if(top & BLDMOD) {
u32 back = background;
u8 top2 = 0x20;
if((mask & 4) && line2[x] < back) {
if(top != 0x04) {
back = line2[x];
top2 = 0x04;
}
}
if((mask & 16) && (u8)(lineOBJ[x]>>24) < (u8)(back >> 24)) {
if(top != 0x10) {
back = lineOBJ[x];
top2 = 0x10;
}
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
}
}
break;
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
} else {
// semi-transparent OBJ
u32 back = background;
u8 top2 = 0x20;
if((mask & 4) && line2[x] < back) {
back = line2[x];
top2 = 0x04;
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
else {
switch((BLDMOD >> 6) & 3) {
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
}
}
} else if(color & 0x00010000) {
if(color & 0x00010000) {
// semi-transparent OBJ
u32 back = background;
u8 top2 = 0x20;
@ -396,6 +327,47 @@ void mode5RenderLineAll()
break;
}
}
} else if(mask & 32) {
switch((BLDMOD >> 6) & 3) {
case 0:
break;
case 1:
{
if(top & BLDMOD) {
u32 back = background;
u8 top2 = 0x20;
if((mask & 4) && line2[x] < back) {
if(top != 0x04) {
back = line2[x];
top2 = 0x04;
}
}
if((mask & 16) && (u8)(lineOBJ[x]>>24) < (u8)(back >> 24)) {
if(top != 0x10) {
back = lineOBJ[x];
top2 = 0x10;
}
}
if(top2 & (BLDMOD>>8))
color = gfxAlphaBlend(color, back,
coeff[COLEV & 0x1F],
coeff[(COLEV >> 8) & 0x1F]);
}
}
break;
case 2:
if(BLDMOD & top)
color = gfxIncreaseBrightness(color, coeff[COLY & 0x1F]);
break;
case 3:
if(BLDMOD & top)
color = gfxDecreaseBrightness(color, coeff[COLY & 0x1F]);
break;
}
}
lineMix[x] = color;