qboolean VID_ScreenShot( const char *filename, int shot_type )
{
rgbdata_t *r_shot;
uint flags = IMAGE_FLIP_Y;
int width = 0, height = 0;
qboolean result;
r_shot = Mem_Alloc( r_temppool, sizeof( rgbdata_t ));
r_shot->width = (glState.width + 3) & ~3;
r_shot->height = (glState.height + 3) & ~3;
r_shot->flags = IMAGE_HAS_COLOR | IMAGE_HAS_ALPHA;
r_shot->type = PF_RGBA_32;
r_shot->size = r_shot->width * r_shot->height * PFDesc[r_shot->type].bpp;
r_shot->palette = NULL;
r_shot->buffer = Mem_Alloc( r_temppool, r_shot->size );
// get screen frame
pglPixelStorei(GL_PACK_ALIGNMENT, 1); // PANDORA, just in case
pglReadPixels( 0, 0, r_shot->width, r_shot->height, GL_RGBA, GL_UNSIGNED_BYTE, r_shot->buffer );
switch( shot_type )
{
case VID_SCREENSHOT:
if( !gl_overview->integer )
VID_ImageAdjustGamma( r_shot->buffer, r_shot->width, r_shot->height ); // scrshot gamma
break;
case VID_SNAPSHOT:
if( !gl_overview->integer )
VID_ImageAdjustGamma( r_shot->buffer, r_shot->width, r_shot->height ); // scrshot gamma
FS_AllowDirectPaths( true );
break;
case VID_LEVELSHOT:
flags |= IMAGE_RESAMPLE;
if( glState.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:
V_WriteOverviewScript(); // store overview script too
flags |= IMAGE_RESAMPLE|IMAGE_QUANTIZE; // GoldSrc request overviews in 8-bit format
height = 768;
width = 1024;
break;
}
Image_Process( &r_shot, width, height, 0.0f, flags, NULL );
// write image
result = FS_SaveImage( filename, r_shot );
host.write_to_clipboard = false; // disable write to clipboard
FS_AllowDirectPaths( false ); // always reset after store screenshot
FS_FreeImage( r_shot );
return result;
}
SDL_bool
blitter_opengl_init()
{
Uint32 sdl_flags;
Uint32 width = visible_area.w;
Uint32 height = visible_area.h;
if (load_glproc() == SDL_FALSE) return SDL_FALSE;
sdl_flags = (fullscreen?SDL_FULLSCREEN:0)| SDL_DOUBLEBUF | SDL_HWSURFACE
| SDL_HWPALETTE | SDL_OPENGL | SDL_RESIZABLE;
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
if ((effect[neffect].x_ratio!=2 || effect[neffect].y_ratio!=2) &&
(effect[neffect].x_ratio!=1 || effect[neffect].y_ratio!=1) ) {
printf("Opengl support only effect with a ratio of 2x2 or 1x1\n");
return SDL_FALSE;
}
/*
if (conf.res_x==304 && conf.res_y==224) {
*/
if (scale < 2) {
width *=effect[neffect].x_ratio;
height*=effect[neffect].y_ratio;
}
width *= scale;
height *= scale;
/*
} else {
width = conf.res_x;
height=conf.res_y;
}
*/
conf.res_x=width;
conf.res_y=height;
video_opengl = SDL_SetVideoMode(width, height, 16, sdl_flags);
if ( video_opengl == NULL)
return SDL_FALSE;
pglClearColor(0, 0, 0, 0);
pglClear(GL_COLOR_BUFFER_BIT);
pglEnable(GL_TEXTURE_2D);
pglViewport(0, 0, width, height);
/* Linear Filter */
pglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
pglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
/*
pglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
pglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
*/
/* Texture Mode */
pglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
pglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
if (neffect == 0)
{
/* Texture limits */
/*
a = (240.0/304.0);
b = (48.0/256.0);
c = (240.0/256.0);
*/
#ifdef USE_GL2
tex_opengl= SDL_CreateRGBSurface(SDL_SWSURFACE, 512, 256, 16, 0xF800, 0x7E0, 0x1F, 0);
#else
pglPixelStorei(GL_UNPACK_ROW_LENGTH, 352);
#endif
}
else {
/* Texture limits */
a = ((256.0/(float)visible_area.w) - 1.0f)*effect[neffect].x_ratio/2.0;
b = ((512.0/(float)visible_area.w) - 1.0f)*effect[neffect].x_ratio/2.0;
c = (((float)visible_area.h/256.0))*effect[neffect].y_ratio/2.0;
d = (((float)((visible_area.w<<1)-512)/256.0))*effect[neffect].y_ratio/2.0;
screen = SDL_CreateRGBSurface(SDL_SWSURFACE, visible_area.w<<1, /*visible_area.h<<1*/512, 16, 0xF800, 0x7E0, 0x1F, 0);
//printf("[opengl] create_screen %p\n",screen);
#ifdef USE_GL2
tex_opengl= SDL_CreateRGBSurface(SDL_SWSURFACE, 1024, 512, 16, 0xF800, 0x7E0, 0x1F, 0);
if (visible_area.w==320) {
glrectef.x=0;
glrectef.y=0;
glrectef.w=320*2;
glrectef.h=224*2;
} else {
glrectef.x=0;
glrectef.y=0;
glrectef.w=304*2;
glrectef.h=224*2;
}
#else
pglPixelStorei(GL_UNPACK_ROW_LENGTH, visible_area.w<<1);
#endif
}
return SDL_TRUE;
}
