mirror of
https://github.com/nzp-team/fteqw.git
synced 2024-11-23 12:22:42 +00:00
ec34ee2e5e
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@1899 fc73d0e0-1445-4013-8a0c-d673dee63da5
773 lines
17 KiB
C
773 lines
17 KiB
C
//contains routines for blending images (as well as blitting 32bit to 8bit type stuff)
|
|
|
|
|
|
#include "quakedef.h"
|
|
#include "d_local.h"
|
|
#include "r_local.h"
|
|
|
|
void MakeVideoPalette(void);
|
|
void MakeSwizzledPalette(void);
|
|
void MakePaletteRemaps(void);
|
|
|
|
int *srctable;
|
|
int *dsttable;
|
|
qbyte *pal555to8;
|
|
|
|
int swzpal[TRANS_LEVELS][256];
|
|
|
|
// menutint
|
|
palremap_t *RebuildMenuTint(void);
|
|
palremap_t *mtpalremap;
|
|
|
|
// IB remap
|
|
palremap_t *ib_remap;
|
|
|
|
extern cvar_t r_menutint;
|
|
int mtmodified;
|
|
|
|
#define palette host_basepal
|
|
#define _abs(x) ((x)*(x))
|
|
|
|
void D_ShutdownTrans(void)
|
|
{
|
|
if (pal555to8)
|
|
{
|
|
BZ_Free(pal555to8);
|
|
pal555to8 = NULL;
|
|
}
|
|
|
|
if (palremaps)
|
|
{
|
|
BZ_Free(palremaps);
|
|
palremapsize = 0;
|
|
palremaps = NULL;
|
|
}
|
|
|
|
mtpalremap = NULL;
|
|
mtmodified = 0;
|
|
ib_remap = NULL;
|
|
}
|
|
|
|
void D_InitTrans(void)
|
|
{
|
|
// create pal555to8 and swizzled palette
|
|
MakeVideoPalette();
|
|
MakeSwizzledPalette();
|
|
MakePaletteRemaps();
|
|
|
|
srctable = swzpal[0];
|
|
dsttable = swzpal[TRANS_MAX];
|
|
mtpalremap = RebuildMenuTint();
|
|
ib_remap = D_IdentityRemap();
|
|
}
|
|
|
|
// TODO: INLINE THESE FUNCTIONS
|
|
qbyte FASTCALL Trans(qbyte p, qbyte p2)
|
|
{
|
|
int x;
|
|
|
|
x = (srctable[p] + dsttable[p2]) | 0x01F07C1F;
|
|
return pal555to8[x & (x >> 15)];
|
|
|
|
}
|
|
|
|
qbyte FASTCALL AddBlend(qbyte p, qbyte p2)
|
|
{
|
|
int x, y;
|
|
|
|
x = (srctable[p] + dsttable[p2]);
|
|
y = x & 0x40100400; // overflow bits
|
|
x = (x | 0x01F07C1F) & 0x3FFFFFFF;
|
|
y = y - (y >> 5);
|
|
x = x | y;
|
|
return pal555to8[x & (x >> 15)];
|
|
}
|
|
|
|
/*
|
|
void Set_TransLevelI(int level)
|
|
{
|
|
t_curtable = level/(100.0f/(t_numtables-1));
|
|
t_curlookupp = t_lookup[t_curtable];
|
|
}
|
|
*/
|
|
|
|
void D_SetTransLevel(float level, blendmode_t blend)
|
|
{
|
|
int ilvl;
|
|
|
|
// cap and set level
|
|
ilvl = (bound(0, level, 1) * (TRANS_MAX + 0.99));
|
|
|
|
// set blending tables
|
|
switch (blend)
|
|
{
|
|
case BM_ADD:
|
|
dsttable = swzpal[ilvl];
|
|
srctable = swzpal[TRANS_MAX];
|
|
break;
|
|
default:
|
|
dsttable = swzpal[ilvl];
|
|
srctable = swzpal[TRANS_MAX - ilvl];
|
|
}
|
|
}
|
|
|
|
|
|
#define _abs(x) ((x)*(x))
|
|
qbyte FindIndexFromRGB(int red, int green, int blue)
|
|
{
|
|
int i, best=15;
|
|
int bestdif=256*256*256, curdif;
|
|
extern qbyte *host_basepal;
|
|
qbyte *pa;
|
|
|
|
pa = host_basepal;
|
|
for (i = 0; i < 256; i++, pa+=3)
|
|
{
|
|
curdif = _abs(red - pa[0]) + _abs(green - pa[1]) + _abs(blue - pa[2]);
|
|
if (curdif < bestdif)
|
|
{
|
|
if (curdif<1)
|
|
return i;
|
|
bestdif = curdif;
|
|
best = i;
|
|
}
|
|
}
|
|
return best;
|
|
}
|
|
|
|
qbyte FindIndexFromRGBNoFB(int red, int green, int blue)
|
|
{
|
|
int i, best=15;
|
|
int bestdif=256*256*256, curdif;
|
|
extern qbyte *host_basepal;
|
|
qbyte *pa;
|
|
|
|
pa = host_basepal;
|
|
for (i = 0; i < 256 - vid.fullbright; i++, pa+=3)
|
|
{
|
|
curdif = _abs(red - pa[0]) + _abs(green - pa[1]) + _abs(blue - pa[2]);
|
|
if (curdif < bestdif)
|
|
{
|
|
if (curdif<1)
|
|
return i;
|
|
bestdif = curdif;
|
|
best = i;
|
|
}
|
|
}
|
|
return best;
|
|
}
|
|
|
|
#define FindPalette(r,g,b) pal555to8[((r&0xF8)>>3)|((g&0xF8)<<2)|((b&0xF8)<<7)]
|
|
qbyte GetPalette(int red, int green, int blue)
|
|
{
|
|
if (pal555to8) //fast precalculated method
|
|
return FindPalette(red,green,blue);
|
|
else //slow, horrible method.
|
|
return FindIndexFromRGB(red, green, blue);
|
|
}
|
|
|
|
qbyte GetPaletteNoFB(int red, int green, int blue)
|
|
{
|
|
if (pal555to8) //fast precalculated (but ugly) method
|
|
return fbremapidx(FindPalette(red,green,blue));
|
|
else //slow, horrible (but accurate) method.
|
|
return FindIndexFromRGBNoFB(red, green, blue);
|
|
}
|
|
|
|
void MakeVideoPalette(void)
|
|
{
|
|
vfsfile_t *f;
|
|
int r, g, b;
|
|
|
|
// allocate memory
|
|
if (!pal555to8)
|
|
pal555to8 = BZ_Malloc(PAL555_SIZE);
|
|
// pal555to8 = Hunk_AllocName(PAL555_SIZE, "RGB data");
|
|
|
|
// load in previously created table
|
|
if ((f = FS_OpenVFS("pal555.pal", "rb", FS_BASE)))
|
|
{
|
|
VFS_READ(f, pal555to8, PAL555_SIZE);
|
|
VFS_CLOSE(f);
|
|
return;
|
|
}
|
|
|
|
// create palette conversion table
|
|
for (b = 0; b < 32; b++)
|
|
for (g = 0; g < 32; g++)
|
|
for (r = 0; r < 32; r++)
|
|
pal555to8[r | (g << 5) | (b << 10)] =
|
|
FindIndexFromRGB(r<<3|r>>2, g<<3|g>>2, b<<3|b>>2);
|
|
|
|
// write palette conversion table
|
|
if (d_palconvwrite.value)
|
|
COM_WriteFile("pal555.pal", pal555to8, PAL555_SIZE);
|
|
}
|
|
|
|
void MakeSwizzledPalette(void)
|
|
{
|
|
int idx, lvl;
|
|
qbyte *pa;
|
|
|
|
// create swizzled palettes
|
|
for (lvl = 0; lvl < TRANS_LEVELS; lvl++)
|
|
{
|
|
pa = host_basepal;
|
|
for (idx = 0; idx < 256; idx++)
|
|
{
|
|
// create a b10r10g10 table for each alpha level
|
|
// may need some hacking due to the tendancy of
|
|
// identity merges becoming darker
|
|
swzpal[lvl][idx] = ( (pa[0] * lvl) >> 4 ) << 10; // red
|
|
swzpal[lvl][idx] |= ( (pa[1] * lvl) >> 4 ); // green
|
|
swzpal[lvl][idx] |= ( (pa[2] * lvl) >> 4 ) << 20; // blue
|
|
swzpal[lvl][idx] = swzpal[lvl][idx] & 0x3feffbff;
|
|
pa += 3;
|
|
}
|
|
}
|
|
}
|
|
|
|
// colormap functions
|
|
void MakePaletteRemaps(void)
|
|
{
|
|
int i;
|
|
|
|
palremapsize = d_palremapsize.value;
|
|
|
|
if (palremapsize < 4)
|
|
{
|
|
Con_Printf("Invalid size for d_palremapsize, defaulting to 4.\n");
|
|
palremapsize = 4;
|
|
}
|
|
|
|
palremaps = BZ_Malloc(sizeof(palremap_t)*palremapsize);
|
|
|
|
// build identity remap
|
|
palremaps[0].r = palremaps[0].g = palremaps[0].b = 255;
|
|
palremaps[0].key = 0x1 ^ 0x4 ^ 0;
|
|
palremaps[0].references = 999;
|
|
for (i = 0; i < 256; i++)
|
|
palremaps[0].pal[i] = i;
|
|
|
|
// build fullbright remap
|
|
palremaps[1].r = palremaps[1].g = palremaps[1].b = 255;
|
|
palremaps[1].key = 0x1 ^ 0;
|
|
palremaps[1].references = 999;
|
|
for (i = 0; i < 256 - vid.fullbright; i++)
|
|
palremaps[1].pal[i] = i;
|
|
for (i = 256 - vid.fullbright; i < 256; i++)
|
|
palremaps[1].pal[i] = FindIndexFromRGBNoFB(host_basepal[i*3], host_basepal[i*3+1], host_basepal[i*3+2]);
|
|
|
|
for (i = 2; i < palremapsize; i++)
|
|
{
|
|
palremaps[i].key = 0;
|
|
palremaps[i].references = -2147483647;
|
|
}
|
|
}
|
|
|
|
void BuildModulatedPalette(qbyte *indexes, int red, int green, int blue, qboolean desaturate, qboolean fullbrights, int topcolor, int bottomcolor)
|
|
{
|
|
qbyte *rgb = host_basepal;
|
|
unsigned int r, g, b, x, invmask = 0;
|
|
|
|
if (red < 0 || green < 0 || blue < 0)
|
|
invmask = 0xff;
|
|
|
|
// generate palette remap
|
|
if (desaturate)
|
|
{
|
|
int s;
|
|
|
|
for (x = 0; x < 256; x++)
|
|
{
|
|
s = rgb[0]*76 + rgb[1]*151 + rgb[2]*29 + 128;
|
|
r = abs((127*256 + s*red) >> 16);
|
|
g = abs((127*256 + s*green) >> 16);
|
|
b = abs((127*256 + s*blue) >> 16);
|
|
|
|
if (r > 255)
|
|
r = 255;
|
|
if (g > 255)
|
|
g = 255;
|
|
if (b > 255)
|
|
b = 255;
|
|
|
|
if (fullbrights) // relying on branch prediction here...
|
|
indexes[x] = GetPalette(r^invmask, g^invmask, b^invmask);
|
|
else
|
|
indexes[x] = GetPaletteNoFB(r^invmask, g^invmask, b^invmask);
|
|
rgb += 3;
|
|
}
|
|
}
|
|
else if (red == 255 && green == 255 && blue == 255)
|
|
{
|
|
// identity merge
|
|
if (fullbrights)
|
|
memcpy(indexes, identityremap.pal, sizeof(identityremap));
|
|
else
|
|
memcpy(indexes, fullbrightremap.pal, sizeof(fullbrightremap));
|
|
}
|
|
else
|
|
{
|
|
for (x = 0; x < 256; x++)
|
|
{
|
|
// modulus math
|
|
r = abs((127 + rgb[0]*red) >> 8);
|
|
g = abs((127 + rgb[1]*green) >> 8);
|
|
b = abs((127 + rgb[2]*blue) >> 8);
|
|
|
|
if (r > 255)
|
|
r = 255;
|
|
if (g > 255)
|
|
g = 255;
|
|
if (b > 255)
|
|
b = 255;
|
|
|
|
if (fullbrights) // relying on branch prediction here...
|
|
indexes[x] = GetPalette(r^invmask, g^invmask, b^invmask);
|
|
else
|
|
indexes[x] = GetPaletteNoFB(r^invmask, g^invmask, b^invmask);
|
|
rgb += 3;
|
|
}
|
|
}
|
|
|
|
// handle top/bottom remap
|
|
if (topcolor == TOP_DEFAULT && bottomcolor == BOTTOM_DEFAULT)
|
|
return;
|
|
|
|
{
|
|
qbyte topcolors[16];
|
|
qbyte bottomcolors[16];
|
|
|
|
topcolor = topcolor * 16;
|
|
bottomcolor = bottomcolor * 16;
|
|
|
|
for (x = 0; x < 16; x++)
|
|
{
|
|
if (topcolor < 128)
|
|
topcolors[x] = indexes[topcolor + x];
|
|
else
|
|
topcolors[x] = indexes[topcolor + 15 - x];
|
|
|
|
if (bottomcolor < 128)
|
|
bottomcolors[x] = indexes[bottomcolor + x];
|
|
else
|
|
bottomcolors[x] = indexes[bottomcolor + 15 - x];
|
|
}
|
|
|
|
for (x = 0; x < 16; x++)
|
|
{
|
|
indexes[TOP_RANGE + x] = topcolors[x];
|
|
indexes[BOTTOM_RANGE + x] = bottomcolors[x];
|
|
}
|
|
}
|
|
}
|
|
|
|
palremap_t *D_GetPaletteRemap(int red, int green, int blue, qboolean desaturate, qboolean fullbrights, int topcolor, int bottomcolor)
|
|
{
|
|
int i, key, deref = -1, dereflast = 1;
|
|
|
|
topcolor = topcolor & 0xf;
|
|
bottomcolor = bottomcolor & 0xf;
|
|
|
|
key = 0x1 ^ ((!!desaturate) << 1) ^ ((!!fullbrights) << 2) ^ (topcolor << 3) ^ (bottomcolor << 7);
|
|
|
|
for (i = 0; i < palremapsize; i++)
|
|
{
|
|
if (palremaps[i].r == red &&
|
|
palremaps[i].g == green &&
|
|
palremaps[i].b == blue &&
|
|
palremaps[i].key == key)
|
|
{
|
|
if (palremaps[i].references < 1)
|
|
palremaps[i].references = 1;
|
|
else
|
|
palremaps[i].references++;
|
|
return palremaps + i;
|
|
}
|
|
else if (palremaps[i].references < dereflast)
|
|
{
|
|
deref = i;
|
|
dereflast = palremaps[i].references;
|
|
}
|
|
}
|
|
|
|
if (deref < 2) // no remaps found and all maps are referenced
|
|
return palremaps; // identity remap
|
|
|
|
// return non-referenced map
|
|
BuildModulatedPalette(palremaps[deref].pal, red, green, blue, desaturate, fullbrights, topcolor, bottomcolor);
|
|
palremaps[deref].references++;
|
|
palremaps[deref].r = red;
|
|
palremaps[deref].g = green;
|
|
palremaps[deref].b = blue;
|
|
palremaps[deref].key = key;
|
|
return palremaps + deref;
|
|
}
|
|
|
|
palremap_t *RebuildMenuTint(void)
|
|
{
|
|
char *t;
|
|
int r, g, b;
|
|
|
|
r = 255*r_menutint.value;
|
|
g = 0;
|
|
b = 0;
|
|
t = strstr(r_menutint.string, " ");
|
|
if (t)
|
|
{
|
|
g = 255*atof(t+1);
|
|
t = strstr(t+1, " ");
|
|
if (t)
|
|
b = 255*atof(t+1);
|
|
else
|
|
return NULL;
|
|
}
|
|
else
|
|
return NULL;
|
|
|
|
return D_GetPaletteRemap(r, g, b, true, true, TOP_DEFAULT, BOTTOM_DEFAULT);
|
|
}
|
|
|
|
void D_DereferenceRemap(palremap_t *palremap)
|
|
{
|
|
static int dereftime;
|
|
|
|
if (palremap && palremap >= palremaps+2)
|
|
{
|
|
if (palremap->references < 2)
|
|
{
|
|
if (dereftime >= 0)
|
|
dereftime = -2147483647; // lowest negative 32-bit number (without MSVC being stupid)
|
|
palremap->references = dereftime;
|
|
dereftime++;
|
|
}
|
|
else
|
|
palremap->references--;
|
|
}
|
|
}
|
|
|
|
qbyte *D_GetMenuTintPal(void)
|
|
{
|
|
if (mtmodified != r_menutint.modified)
|
|
{
|
|
if (mtpalremap)
|
|
D_DereferenceRemap(mtpalremap);
|
|
|
|
mtpalremap = RebuildMenuTint();
|
|
mtmodified = r_menutint.modified;
|
|
}
|
|
|
|
if (mtpalremap && mtpalremap != palremaps)
|
|
return mtpalremap->pal;
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
struct palremap_s *D_IdentityRemap(void) // TODO: explicitly inline this
|
|
{
|
|
return palremaps;
|
|
}
|
|
|
|
void MediaSW_ShowFrame8bit(qbyte *framedata, int inwidth, int inheight, qbyte *palette)
|
|
{
|
|
int y, x;
|
|
|
|
D_EnableBackBufferAccess (); // of all overlay stuff if drawing directly
|
|
if (r_pixbytes == 1)
|
|
{
|
|
qbyte *dest, *src;
|
|
int lines=vid.conheight;
|
|
int v;
|
|
int f, fstep;
|
|
|
|
dest = vid.conbuffer;
|
|
|
|
for (y=0 ; y<lines ; y++, dest += vid.conrowbytes)
|
|
{
|
|
v = (vid.conheight - lines + y)*inheight/vid.conheight;
|
|
src = framedata + v*inwidth;
|
|
{
|
|
f = 0;
|
|
fstep = (inwidth<<16)/vid.conwidth;
|
|
for (x=0 ; x<vid.conwidth ; x+=4)
|
|
{
|
|
dest[x] = FindPalette(palette[src[(f>>16)]*3], palette[src[(f>>16)]*3+1], palette[src[(f>>16)]*3+2]);
|
|
f += fstep;
|
|
dest[x+1] = FindPalette(palette[src[(f>>16)]*3], palette[src[(f>>16)]*3+1], palette[src[(f>>16)]*3+2]);
|
|
f += fstep;
|
|
dest[x+2] = FindPalette(palette[src[(f>>16)]*3], palette[src[(f>>16)]*3+1], palette[src[(f>>16)]*3+2]);
|
|
f += fstep;
|
|
dest[x+3] = FindPalette(palette[src[(f>>16)]*3], palette[src[(f>>16)]*3+1], palette[src[(f>>16)]*3+2]);
|
|
f += fstep;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (r_pixbytes == 2)
|
|
{
|
|
/* this still expects 32bit input
|
|
extern int redbits, redshift;
|
|
extern int greenbits, greenshift;
|
|
extern int bluebits, blueshift;
|
|
|
|
unsigned short *dest;
|
|
qbyte *src;
|
|
int lines=vid.conheight;
|
|
int v;
|
|
int f, fstep;
|
|
|
|
dest = (unsigned short *)vid.conbuffer;
|
|
|
|
for (y=0 ; y<lines ; y++, dest += vid.conrowbytes)
|
|
{
|
|
v = (vid.conheight - lines + y)*inheight/vid.conheight;
|
|
src = framedata + v*inwidth*4;
|
|
{
|
|
f = 0;
|
|
fstep = ((inwidth)*0x10000)/vid.conwidth;
|
|
for (x=0 ; x<vid.conwidth; x++) //sw 32 bit rendering is bgrx
|
|
{
|
|
dest[x] = (((src[(f>>16)*4]*(1<<redbits))/256)<<redshift) + (((src[(f>>16)*4+1]*(1<<greenbits))/256)<<greenshift) + (((src[(f>>16)*4+2]*(1<<bluebits))/256)<<blueshift);
|
|
f += fstep;
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
}
|
|
else if (r_pixbytes == 4)
|
|
{
|
|
qbyte *dest, *src;
|
|
int lines=vid.conheight;
|
|
int v;
|
|
int f, fstep;
|
|
|
|
dest = vid.conbuffer;
|
|
|
|
for (y=0 ; y<lines ; y++, dest += vid.conrowbytes*4)
|
|
{
|
|
v = (vid.conheight - lines + y)*inheight/vid.conheight;
|
|
src = framedata + v*inwidth;
|
|
{
|
|
f = 0;
|
|
fstep = ((inwidth)*0x10000)/vid.conwidth;
|
|
for (x=0 ; x<vid.conwidth*4 ; x+=4) //sw 32 bit rendering is bgrx
|
|
{
|
|
dest[x] = palette[src[(f>>16)]*3+2];
|
|
dest[x+1] = palette[src[(f>>16)]*3+1];
|
|
dest[x+2] = palette[src[(f>>16)]*3];
|
|
f += fstep;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
Sys_Error("24 bit rendering?");
|
|
|
|
D_DisableBackBufferAccess (); // for adapters that can't stay mapped in
|
|
|
|
SCR_SetUpToDrawConsole();
|
|
if (scr_con_current)
|
|
SCR_DrawConsole (false);
|
|
|
|
M_Draw(0);
|
|
}
|
|
|
|
void MediaSW_ShowFrameRGBA_32(qbyte *framedata, int inwidth, int inheight) //top down
|
|
{
|
|
int y, x;
|
|
|
|
D_EnableBackBufferAccess (); // of all overlay stuff if drawing directly
|
|
if (r_pixbytes == 1)
|
|
{
|
|
qbyte *dest, *src;
|
|
int lines=vid.conheight;
|
|
int v;
|
|
int f, fstep;
|
|
|
|
dest = vid.conbuffer;
|
|
|
|
for (y=0 ; y<lines ; y++, dest += vid.conrowbytes)
|
|
{
|
|
v = (vid.conheight - lines + y)*inheight/vid.conheight;
|
|
src = framedata + v*inwidth*4;
|
|
{
|
|
f = 0;
|
|
fstep = ((inwidth)*0x10000)/vid.conwidth;
|
|
for (x=0 ; x<vid.conwidth ; x+=4)
|
|
{
|
|
dest[x] = FindPalette(src[(f>>16)*4], src[(f>>16)*4+1], src[(f>>16)*4+2]);
|
|
f += fstep;
|
|
dest[x+1] = FindPalette(src[(f>>16)*4], src[(f>>16)*4+1], src[(f>>16)*4+2]);
|
|
f += fstep;
|
|
dest[x+2] = FindPalette(src[(f>>16)*4], src[(f>>16)*4+1], src[(f>>16)*4+2]);
|
|
f += fstep;
|
|
dest[x+3] = FindPalette(src[(f>>16)*4], src[(f>>16)*4+1], src[(f>>16)*4+2]);
|
|
f += fstep;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (r_pixbytes == 2)
|
|
{
|
|
extern int redbits, redshift;
|
|
extern int greenbits, greenshift;
|
|
extern int bluebits, blueshift;
|
|
|
|
unsigned short *dest;
|
|
qbyte *src;
|
|
int lines=vid.conheight;
|
|
int v;
|
|
int f, fstep;
|
|
|
|
dest = (unsigned short *)vid.conbuffer;
|
|
|
|
for (y=0 ; y<lines ; y++, dest += vid.conrowbytes)
|
|
{
|
|
v = (vid.conheight - lines + y)*inheight/vid.conheight;
|
|
src = framedata + v*inwidth*4;
|
|
{
|
|
f = 0;
|
|
fstep = ((inwidth)*0x10000)/vid.conwidth;
|
|
for (x=0 ; x<vid.conwidth; x++) //sw 32 bit rendering is bgrx
|
|
{
|
|
dest[x] = (((src[(f>>16)*4]*(1<<redbits))/256)<<redshift) + (((src[(f>>16)*4+1]*(1<<greenbits))/256)<<greenshift) + (((src[(f>>16)*4+2]*(1<<bluebits))/256)<<blueshift);
|
|
f += fstep;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (r_pixbytes == 4)
|
|
{
|
|
qbyte *dest, *src;
|
|
int lines=vid.conheight;
|
|
int v;
|
|
int f, fstep;
|
|
|
|
dest = vid.conbuffer;
|
|
|
|
for (y=0 ; y<lines ; y++, dest += vid.conrowbytes*4)
|
|
{
|
|
v = (vid.conheight - lines + y)*inheight/vid.conheight;
|
|
src = framedata + v*inwidth*4;
|
|
{
|
|
f = 0;
|
|
fstep = ((inwidth)*0x10000)/vid.conwidth;
|
|
for (x=0 ; x<vid.conwidth*4 ; x+=4) //sw 32 bit rendering is bgrx
|
|
{
|
|
dest[x] = src[(f>>16)*4+2];
|
|
dest[x+1] = src[(f>>16)*4+1];
|
|
dest[x+2] = src[(f>>16)*4];
|
|
f += fstep;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
Sys_Error("24 bit rendering?");
|
|
|
|
D_DisableBackBufferAccess (); // for adapters that can't stay mapped in
|
|
|
|
SCR_SetUpToDrawConsole();
|
|
if (scr_con_current)
|
|
SCR_DrawConsole (false);
|
|
}
|
|
|
|
void MediaSW_ShowFrameBGR_24_Flip(qbyte *framedata, int inwidth, int inheight) //input is bottom up...
|
|
{
|
|
int y, x;
|
|
|
|
D_EnableBackBufferAccess (); // of all overlay stuff if drawing directly
|
|
if (r_pixbytes == 1)
|
|
{
|
|
qbyte *dest, *src;
|
|
int lines=vid.conheight;
|
|
int v;
|
|
int f, fstep;
|
|
|
|
dest = vid.conbuffer;
|
|
|
|
for (y=0 ; y<lines ; y++, dest += vid.conrowbytes)
|
|
{
|
|
v = (lines - y)*inheight/vid.conheight;
|
|
src = framedata + v*inwidth*3;
|
|
{
|
|
f = 0;
|
|
fstep = ((inwidth)*0x10000)/vid.conwidth;
|
|
for (x=0 ; x<vid.conwidth ; x+=4)
|
|
{
|
|
dest[x] = FindPalette(src[(f>>16)*3+2], src[(f>>16)*3+1], src[(f>>16)*3]);
|
|
f += fstep;
|
|
dest[x+1] = FindPalette(src[(f>>16)*3+2], src[(f>>16)*3+1], src[(f>>16)*3]);
|
|
f += fstep;
|
|
dest[x+2] = FindPalette(src[(f>>16)*3+2], src[(f>>16)*3+1], src[(f>>16)*3]);
|
|
f += fstep;
|
|
dest[x+3] = FindPalette(src[(f>>16)*3+2], src[(f>>16)*3+1], src[(f>>16)*3]);
|
|
f += fstep;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (r_pixbytes == 2)
|
|
{
|
|
extern int redbits, redshift;
|
|
extern int greenbits, greenshift;
|
|
extern int bluebits, blueshift;
|
|
|
|
unsigned short *dest;
|
|
qbyte *src;
|
|
int lines=vid.conheight;
|
|
int v;
|
|
int f, fstep;
|
|
|
|
dest = (unsigned short *)vid.conbuffer;
|
|
|
|
for (y=0 ; y<lines ; y++, dest += vid.conrowbytes)
|
|
{
|
|
v = (lines - y)*inheight/vid.conheight;
|
|
src = framedata + v*inwidth*3;
|
|
{
|
|
f = 0;
|
|
fstep = ((inwidth)*0x10000)/vid.conwidth;
|
|
for (x=0 ; x<vid.conwidth; x++) //sw 32 bit rendering is bgrx
|
|
{
|
|
dest[x] = (((src[(f>>16)*3+2]*(1<<redbits))/256)<<redshift) + (((src[(f>>16)*3+1]*(1<<greenbits))/256)<<greenshift) + (((src[(f>>16)*3+0]*(1<<bluebits))/256)<<blueshift);
|
|
f += fstep;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (r_pixbytes == 4)
|
|
{
|
|
unsigned int *dest;
|
|
qbyte *src;
|
|
int lines=vid.conheight;
|
|
int v;
|
|
int f, fstep;
|
|
|
|
dest = (unsigned int *)vid.conbuffer;
|
|
|
|
for (y=0 ; y<lines ; y++, dest += vid.conrowbytes)
|
|
{
|
|
v = (lines - y)*inheight/vid.conheight;
|
|
src = framedata + v*inwidth*3;
|
|
{
|
|
f = 0;
|
|
fstep = ((inwidth)*0x10000)/vid.conwidth;
|
|
for (x=0 ; x<vid.conwidth ; x++) //sw 32 bit rendering is bgrx
|
|
{
|
|
*(dest+x) = *(int *)(src + (f>>16)*3);
|
|
f += fstep;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
Sys_Error("24 bit rendering?");
|
|
|
|
D_DisableBackBufferAccess (); // for adapters that can't stay mapped in
|
|
|
|
SCR_SetUpToDrawConsole();
|
|
if (scr_con_current)
|
|
SCR_DrawConsole (false);
|
|
}
|