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Remove non-16bpp functionality from Linux port, SDL handles this all.

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Note the 16->32bpp conversion tables are left in because I believe
other stuff uses them.
This commit is contained in:
theoddone33
2002-03-02 20:02:36 +00:00
parent e9d6466a65
commit 7168d4e673
1 changed files with 31 additions and 292 deletions
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323
zsnes/src/linux/sw_draw.c
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@@ -114,7 +114,6 @@ extern void copy640x480x16bwin(void);
/* FIXME: Figure out how to make these locals */
static DWORD ScreenPtr;
static DWORD SurfBufD;
static DWORD *SURFDW;
static DWORD pitch;
void sw_clearwin()
@@ -123,9 +122,7 @@ void sw_clearwin()
SurfBufD = (DWORD) surface->pixels;
LockSurface();
switch (BitDepth) {
case 16:
__asm__ __volatile__ (
__asm__ __volatile__ (
" xorl %%eax, %%eax\n" \
" xorl %%ebx, %%ebx\n" \
"Blank2:\n" \
@@ -139,34 +136,13 @@ void sw_clearwin()
" subl %%edx, %%edi\n" \
" cmpl %2, %%ebx\n" \
" jne Blank2\n" \
: : "g" (pitch), "g" (SurfaceX), "g" (SurfaceY), "D" (SurfBufD) : "cc", "memory", "eax", "ebx", "edx", "ecx");
break;
case 32:
__asm__ __volatile__ (
" xorl %%eax, %%eax\n" \
" xorl %%ebx, %%ebx\n" \
"Blank3:\n" \
" movl %1, %%ecx\n" \
" rep\n" \
" stosl\n" \
" addl %0, %%edi\n" \
" subl %1, %%edi\n" \
" subl %1, %%edi\n" \
" subl %1, %%edi\n" \
" subl %1, %%edi\n" \
" addl $1, %%ebx\n" \
" cmpl %2, %%ebx\n" \
" jne Blank3\n" \
: : "g" (pitch), "g" (SurfaceX), "g" (SurfaceY), "D" (SurfBufD) : "cc", "memory", "eax", "ebx", "ecx");
break;
}
: : "g" (pitch), "g" (SurfaceX), "g" (SurfaceY), "D" (SurfBufD)
: "cc", "memory", "eax", "ebx", "edx", "ecx");
UnlockSurface();
}
void sw_drawwin()
{
DWORD i,j,color32;
NGNoTransp = 0; // Set this value to 1 within the appropriate
// video mode if you want to add a custom
// transparency routine or hardware
@@ -174,9 +150,8 @@ void sw_drawwin()
// the value of newengen is equal to 1.
// (see ProcessTransparencies in newgfx16.asm
// for ZSNES' current transparency code)
UpdateVFrame();
if (curblank != 0)
return;
UpdateVFrame();
if (curblank != 0) return;
LockSurface();
@@ -187,7 +162,6 @@ void sw_drawwin()
pitch = surface->pitch;
SurfBufD = (DWORD) surface->pixels;
SURFDW = (DWORD *) surface->pixels;
if (SurfBufD == 0) {
UnlockSurface();
@@ -195,10 +169,8 @@ void sw_drawwin()
}
if (SurfaceX == 256 && SurfaceY == 224) {
switch(BitDepth) {
case 16:
if (MMXSupport){
__asm__ __volatile__ (
if (MMXSupport){
__asm__ __volatile__ (
" xorl %%eax, %%eax\n" \
"Copying3:\n" \
" movl $32, %%ecx\n" \
@@ -223,10 +195,9 @@ void sw_drawwin()
" rep\n" \
" stosl\n" \
" emms\n" \
: : "g" (pitch), "S" (ScreenPtr), "D" (SurfBufD) : "cc", "memory", "eax", "ecx");
} else {
// Doesn't seem to work - DDOI
__asm__ __volatile__ (
: : "g" (pitch), "S" (ScreenPtr), "D" (SurfBufD) : "cc", "memory", "eax", "ecx");
} else {
__asm__ __volatile__ (
" xorl %%eax, %%eax\n" \
"Copying:\n" \
" movl $128, %%ecx\n" \
@@ -242,77 +213,12 @@ void sw_drawwin()
" movl $128, %%ecx\n" \
" rep\n" \
" stosl\n" \
: : "g" (pitch), "S" (ScreenPtr), "D" (SurfBufD) : "cc", "memory", "eax", "ecx");
}
break;
case 32:
__asm__ __volatile__ (
" xorl %%eax, %%eax\n" \
"Copying32b:\n" \
" movl $256, %%ecx\n" \
" pushl %%eax\n" \
" xorl %%eax, %%eax\n" \
"CopyLoop32b:\n" \
" movw (%%esi), %%ax\n" \
" addl $2, %%esi\n" \
" movl (%%ebx, %%eax, 4), %%edx\n" \
" movl %%edx, (%%edi)\n" \
" addl $4, %%edi\n" \
" decl %%ecx\n" \
" jnz CopyLoop32b\n" \
" popl %%eax\n" \
" incl %%eax\n" \
" addl %0, %%edi\n" \
" subl $1024, %%edi\n" \
" addl $64, %%esi\n" \
" cmpl $223, %%eax\n" \
" jne Copying32b\n" \
: : "g" (pitch), "b" (BitConv32Ptr), "S" (ScreenPtr), "D" (SurfBufD) : "cc", "memory", "eax", "ecx","edx");
SURFDW = (DWORD *) SurfBufD + 222*pitch;
color32 = 0x7F000000;
for(i=0; i<256; i++)
{
SURFDW[i] = color32;
}
SURFDW=(DWORD *) SurfBufD + 223*pitch;
color32=0x7F000000;
for(i=0; i<256; i++)
{
SURFDW[i] = color32;
}
break;
case 24:
fprintf (stderr, "Sorry, this mode does not work in 24 bit color\n");
LinuxExit();
/*
cvidmode=3;
initwinvideo();
sleep(1);
drawscreenwin();
*/
break;
default:
UnlockSurface();
fprintf(stderr, "Mode only available in 16 and 32 bit color.\n");
LinuxExit();
/*
cvidmode=2;
initwinvideo();
sleep(1);
drawscreenwin();
*/
break;
} // switch (BitDepth)
: : "g" (pitch), "S" (ScreenPtr), "D" (SurfBufD)
: "cc", "memory", "eax", "ecx");
}
} else if (SurfaceX == 320 && SurfaceY == 240) {
switch(BitDepth) {
case 16:
if (MMXSupport) {
__asm__ __volatile__ (
if (MMXSupport) {
__asm__ __volatile__ (
" xor %%eax, %%eax\n" \
" xor %%ebx, %%ebx\n" \
"Blank1MMX:\n" \
@@ -362,10 +268,10 @@ void sw_drawwin()
" rep\n" \
" stosl\n" \
" emms\n" \
: : "g" (pitch), "S" (ScreenPtr), "D" (SurfBufD) : "cc", "memory", "eax", "ebx", "ecx");
} else {
__asm__ __volatile__ (
: : "g" (pitch), "S" (ScreenPtr), "D" (SurfBufD)
: "cc", "memory", "eax", "ebx", "ecx");
} else {
__asm__ __volatile__ (
" xorl %%eax, %%eax\n" \
" xorl %%ebx, %%ebx\n" \
"Blank1:\n" \
@@ -398,186 +304,19 @@ void sw_drawwin()
" movl $128, %%ecx\n" \
" rep\n" \
" stosl\n" \
: : "g" (pitch), "S" (ScreenPtr), "D" (SurfBufD) : "cc", "memory", "eax", "ebx", "ecx");
}
break;
case 32:
for(j=0; j<8; j++)
{
SURFDW = (DWORD *) SurfBufD + j*pitch;
color32 = 0x7F000000;
for(i=0; i<320; i++)
{
SURFDW[i] = color32;
}
}
for(j=8; j<223+8; j++)
{
color32 = 0x7F000000;
for(i=0; i<32; i++)
{
SURFDW[i]=color32;
}
for(i=32; i<(256+32); i++)
{
color32 = (((*(WORD *)(ScreenPtr))&0xF800)<<8)+
(((*(WORD *)(ScreenPtr))&0x07E0)<<5)+
(((*(WORD *)(ScreenPtr))&0x001F)<<3)+0x7F000000;
SURFDW[i] = color32;
ScreenPtr += 2;
}
color32 = 0x7F000000;
for(i=(256+32); i<320; i++)
{
SURFDW[i] = color32;
}
ScreenPtr = ScreenPtr+576-512;
SURFDW=(DWORD *) SurfBufD + j*pitch;
}
for(j=(223+8);j<240;j++)
{
SURFDW=(DWORD *) SurfBufD + j*pitch;
color32 = 0x7F000000;
for(i=0; i<320; i++)
{
SURFDW[i] = color32;
}
}
break;
default:
UnlockSurface();
fprintf(stderr, "Mode only available in 16 and 32 bit color.\n");
LinuxExit();
/*
cvidmode=2;
initwinvideo();
sleep(1);
drawscreenwin();
*/
break;
} // switch
} else if(SurfaceX == 512 && SurfaceY == 448) {
switch(BitDepth) {
case 16:
AddEndBytes = pitch-1024;
NumBytesPerLine = pitch;
WinVidMemStart = (void*)SurfBufD;
copy640x480x16bwin();
break;
case 32:
__asm__ __volatile__ (
" xorl %%eax, %%eax\n" \
"Copying32c:\n" \
" movl $256, %%ecx\n" \
" pushl %%eax\n" \
" xorl %%eax, %%eax\n" \
"CopyLoop32c:\n" \
" movw (%%esi), %%ax\n" \
" addl $2, %%esi\n" \
" movl (%%ebx, %%eax, 4), %%edx\n" \
" movl %%edx, (%%edi)\n" \
" movl %%edx, 4(%%edi)\n" \
" addl $8, %%edi\n" \
" loop CopyLoop32c\n" \
" pushl %%esi\n" \
" movl %%edi, %%esi\n" \
" subl %0, %%esi\n" \
" movl $512, %%ecx\n" \
" rep\n" \
" movsl\n" \
" popl %%esi\n" \
" popl %%eax\n" \
" incl %%eax\n" \
" addl $64, %%esi\n" \
" cmpl $223, %%eax\n" \
" jne Copying32c\n" \
: : "g" (pitch), "S" (ScreenPtr), "D" (SurfBufD), "b" (BitConv32Ptr) : "cc", "memory","eax","ecx","edx");
break;
/*
addl pitch, %%edi
subl $2048, %%edi
*/
default:
UnlockSurface();
fprintf(stderr, "Mode only available in 16 or 32 bit color.\n");
LinuxExit();
/*
cvidmode=2;
initwinvideo();
sleep(1);
drawscreenwin();
*/
break;
} // switch
} else if (SurfaceX == 640 && SurfaceY == 480) {
switch(BitDepth)
{
case 16:
AddEndBytes = pitch-1024;
NumBytesPerLine = pitch;
WinVidMemStart = (void*) (SurfBufD + 16*640*2 + 64*2);
copy640x480x16bwin();
break;
case 32:
__asm__ __volatile__ (
" xorl %%eax, %%eax\n" \
" addl $20608, %%edi\n" \
"Copying32d:\n" \
" movl $256, %%ecx\n" \
" pushl %%eax\n" \
" xorl %%eax, %%eax\n" \
"CopyLoop32d:\n" \
" movw (%%esi), %%ax\n" \
" addl $2, %%esi\n" \
" movl (%%ebx, %%eax, 4), %%edx\n" \
" movl %%edx, (%%edi)\n" \
" movl %%edx, 4(%%edi)\n" \
" addl $8, %%edi\n" \
" loop CopyLoop32d\n" \
" addl $512, %%edi\n" \
" pushl %%esi\n" \
" movl %%edi, %%esi\n" \
" subl %0, %%esi\n" \
" movl $512, %%ecx\n" \
" rep\n" \
" movsl\n" \
" popl %%esi\n" \
" popl %%eax\n" \
" incl %%eax\n" \
" addl $512, %%edi\n" \
" addl $64, %%esi\n" \
" cmpl $223, %%eax\n" \
" jne Copying32d\n" \
: : "g" (pitch), "S" (ScreenPtr), "D" (SurfBufD), "b" (BitConv32Ptr) : "cc", "memory","eax","ecx","edx");
break;
/*
addl pitch, %%edi
subl $2048, %%edi
*/
default:
UnlockSurface();
fprintf(stderr, "Mode only available in 16 or 32 bit color.\n");
LinuxExit();
/*
cvidmode=2;
initwinvideo();
sleep(1);
drawscreenwin();
*/
break;
: : "g" (pitch), "S" (ScreenPtr), "D" (SurfBufD)
: "cc", "memory", "eax", "ebx", "ecx");
}
} else if(SurfaceX == 512 && SurfaceY == 448) {
AddEndBytes = pitch-1024;
NumBytesPerLine = pitch;
WinVidMemStart = (void*)SurfBufD;
copy640x480x16bwin();
} else if (SurfaceX == 640 && SurfaceY == 480) {
AddEndBytes = pitch-1024;
NumBytesPerLine = pitch;
WinVidMemStart = (void*) (SurfBufD + 16*640*2 + 64*2);
copy640x480x16bwin();
}
UnlockSurface();
}