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xash3d-fwgs
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ref: soft: implement screenshots

This commit is contained in:
Alibek Omarov 2023-01-05 07:09:23 +03:00
parent a4865fd2fc
commit c6bfc82019
2 changed files with 117 additions and 5 deletions
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5
ref/soft/r_context.c
View File

@ -341,11 +341,6 @@ void GAME_EXPORT R_SetupSky(const char *skyboxname)
}
qboolean GAME_EXPORT VID_ScreenShot(const char *filename, int shot_type)
{
return false;
}
qboolean GAME_EXPORT VID_CubemapShot(const char *base, uint size, const float *vieworg, qboolean skyshot)
{
// cubemaps? in my softrender???

117
ref/soft/r_glblit.c
View File

@ -812,3 +812,120 @@ void R_BlitScreen( void )
swblit.pUnlockBuffer();
// gEngfuncs.Con_Printf("blit end\n");
}
static uint32_t Get8888PixelAt( int u, int start )
{
uint32_t s;
switch( swblit.bpp )
{
case 2:
{
pixel_t color = vid.screen[vid.buffer[start + u]];
uint8_t c[3];
c[0] = (((( color >> 11 ) & 0x1F ) * 527 ) + 23 ) >> 6;
c[1] = (((( color >> 5 ) & 0x3F ) * 259 ) + 33 ) >> 6;
c[2] = (((( color ) & 0x1F ) * 527 ) + 23 ) >> 6;
s = c[0] << 16 | c[1] << 8 | c[2];
break;
}
case 3:
case 4:
default:
s = vid.screen32[vid.buffer[start + u]];
break;
}
return s | 0xFF000000;
}
qboolean GAME_EXPORT VID_ScreenShot( const char *filename, int shot_type )
{
rgbdata_t *r_shot;
uint flags = IMAGE_FLIP_Y;
int width = 0, height = 0, u, v;
qboolean result;
r_shot = Mem_Calloc( r_temppool, sizeof( rgbdata_t ));
r_shot->width = (vid.width + 3) & ~3;
r_shot->height = (vid.height + 3) & ~3;
r_shot->flags = IMAGE_HAS_COLOR;
r_shot->type = PF_BGRA_32; // was RGBA
r_shot->size = r_shot->width * r_shot->height * gEngfuncs.Image_GetPFDesc( r_shot->type )->bpp;
r_shot->palette = NULL;
r_shot->buffer = Mem_Malloc( r_temppool, r_shot->size );
// get screen frame
if( swblit.rotate )
{
uint32_t *pbuf = (uint32_t *)r_shot->buffer;
for( v = 0; v < vid.height; v++ )
{
uint start = vid.rowbytes * ( vid.height - v );
uint d = swblit.stride - v - 1;
for( u = 0; u < vid.width; u++ )
{
pbuf[d] = Get8888PixelAt( u, start );
d += swblit.stride;
}
}
}
else
{
uint32_t *pbuf = (uint32_t *)r_shot->buffer;
for( v = 0; v < vid.height;v++)
{
uint start = vid.rowbytes * ( vid.height - v );
uint dstart = swblit.stride * v;
for( u = 0; u < vid.width; u++ )
{
pbuf[dstart + u] = Get8888PixelAt( u, start );
}
}
}
switch( shot_type )
{
case VID_SCREENSHOT:
break;
case VID_SNAPSHOT:
gEngfuncs.fsapi->AllowDirectPaths( true );
break;
case VID_LEVELSHOT:
flags |= IMAGE_RESAMPLE;
if( gpGlobals->wideScreen )
{
height = 480;
width = 800;
}
else
{
height = 480;
width = 640;
}
break;
case VID_MINISHOT:
flags |= IMAGE_RESAMPLE;
height = 200;
width = 320;
break;
case VID_MAPSHOT:
flags |= IMAGE_RESAMPLE|IMAGE_QUANTIZE; // GoldSrc request overviews in 8-bit format
height = 768;
width = 1024;
break;
}
gEngfuncs.Image_Process( &r_shot, width, height, flags, 0.0f );
// write image
result = gEngfuncs.FS_SaveImage( filename, r_shot );
gEngfuncs.fsapi->AllowDirectPaths( false ); // always reset after store screenshot
gEngfuncs.FS_FreeImage( r_shot );
return result;
}