trunk/src/mame/includes/stv.h
| r20827 | r20828 | |
|---|
| 387 | 387 | |
| 388 | 388 | void stv_vdp2_draw_basic_tilemap(bitmap_rgb32 &bitmap, const rectangle &cliprect); |
| 389 | 389 | void stv_vdp2_draw_basic_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect); |
| 390 | // void draw_rgb16_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect); |
| 391 | void draw_rgb32_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect); |
| 390 | 392 | |
| 391 | 393 | void stv_vdp2_drawgfxzoom(bitmap_rgb32 &dest_bmp,const rectangle &clip,gfx_element *gfx, UINT32 code,UINT32 color,int flipx,int flipy,int sx,int sy,int transparency,int transparent_color,int scalex, int scaley,int sprite_screen_width, int sprite_screen_height, int alpha); |
| 392 | 394 | void stv_vdp2_drawgfxzoom_rgb555(bitmap_rgb32 &dest_bmp,const rectangle &clip,UINT32 code,UINT32 color,int flipx,int flipy,int sx,int sy,int transparency,int transparent_color,int scalex, int scaley,int sprite_screen_width, int sprite_screen_height, int alpha); |
trunk/src/mame/video/stvvdp2.c
| r20827 | r20828 | |
|---|
| 2731 | 2731 | int x, x_index = x_index_base; |
| 2732 | 2732 | for( x=sx; x<ex; x++ ) |
| 2733 | 2733 | { |
| 2734 | | data = (source[(x_index>>16)*2] << 8) | source[(x_index>>16)*2+1]; |
| 2734 | data = (source[(x_index>>16)*2] << 8) | source[(x_index>>16)*2+1]; |
| 2735 | 2735 | b = pal5bit((data & 0x7c00) >> 10); |
| 2736 | 2736 | g = pal5bit((data & 0x03e0) >> 5); |
| 2737 | 2737 | r = pal5bit( data & 0x001f); |
| r20827 | r20828 | |
|---|
| 2999 | 2999 | |
| 3000 | 3000 | } |
| 3001 | 3001 | |
| 3002 | #define BITMAP_RGB32 4 |
| 3003 | |
| 3004 | |
| 3005 | #if 0 |
| 3006 | void saturn_state::draw_rgb16_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect) |
| 3007 | { |
| 3008 | // ... |
| 3009 | } |
| 3010 | #endif |
| 3011 | |
| 3012 | void saturn_state::draw_rgb32_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect) |
| 3013 | { |
| 3014 | int xsize, ysize; |
| 3015 | int xsrc,ysrc,xdst,ydst; |
| 3016 | int src_offs; |
| 3017 | UINT8* vram = m_vdp2.gfx_decode; |
| 3018 | UINT32 map_offset = stv2_current_tilemap.bitmap_map * 0x20000; |
| 3019 | int scrollx = stv2_current_tilemap.scrollx; |
| 3020 | int scrolly = stv2_current_tilemap.scrolly; |
| 3021 | int r,g,b; |
| 3022 | UINT32 dot_data; |
| 3023 | |
| 3024 | /* TODO: clean this up. */ |
| 3025 | xsize = (stv2_current_tilemap.bitmap_size & 2) ? 1024 : 512; |
| 3026 | ysize = (stv2_current_tilemap.bitmap_size & 1) ? 512 : 256; |
| 3027 | |
| 3028 | for(ydst=cliprect.min_y;ydst<cliprect.max_y;ydst++) |
| 3029 | { |
| 3030 | for(xdst=cliprect.min_x;xdst<cliprect.max_x;xdst++) |
| 3031 | { |
| 3032 | if(stv_vdp2_window_process(xdst,ydst)) |
| 3033 | continue; |
| 3034 | |
| 3035 | xsrc = (xdst + scrollx) & (xsize-1); |
| 3036 | ysrc = (ydst + scrolly) & (ysize-1); |
| 3037 | src_offs = ((xsrc + (ysrc*xsize)) + map_offset) & 0x1ffff; |
| 3038 | |
| 3039 | dot_data = (vram[4*src_offs+0]<<24)|(vram[4*src_offs+1]<<16)|(vram[4*src_offs+2]<<8)|(vram[4*src_offs+3]<<0); |
| 3040 | |
| 3041 | if ((dot_data & 0x80000000) || (stv2_current_tilemap.transparency == STV_TRANSPARENCY_NONE)) |
| 3042 | { |
| 3043 | b = ((dot_data & 0x00ff0000) >> 16); |
| 3044 | g = ((dot_data & 0x0000ff00) >> 8); |
| 3045 | r = ((dot_data & 0x000000ff) >> 0); |
| 3046 | |
| 3047 | if(stv2_current_tilemap.fade_control & 1) |
| 3048 | stv_vdp2_compute_color_offset(&r,&g,&b,stv2_current_tilemap.fade_control & 2); |
| 3049 | |
| 3050 | if ( stv2_current_tilemap.colour_calculation_enabled == 0 ) |
| 3051 | bitmap.pix32(ydst, xdst) = MAKE_RGB(r, g, b); |
| 3052 | else |
| 3053 | bitmap.pix32(ydst, xdst) = alpha_blend_r32( bitmap.pix32(ydst, xdst), MAKE_RGB(r, g, b), stv2_current_tilemap.alpha ); |
| 3054 | } |
| 3055 | } |
| 3056 | } |
| 3057 | } |
| 3058 | |
| 3059 | |
| 3002 | 3060 | void saturn_state::stv_vdp2_draw_basic_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect) |
| 3003 | 3061 | { |
| 3004 | 3062 | // if(LOG_VDP2) logerror ("bitmap enable %02x size %08x depth %08x\n", stv2_current_tilemap.layer_name, stv2_current_tilemap.bitmap_size, stv2_current_tilemap.colour_depth); |
| r20827 | r20828 | |
|---|
| 3017 | 3075 | |
| 3018 | 3076 | if (!stv2_current_tilemap.enabled) return; |
| 3019 | 3077 | |
| 3078 | /* new bitmap code, supposed to rewrite the old one. Not supposed to be clean, but EFFICIENT! */ |
| 3079 | if(stv2_current_tilemap.incx == 0x10000 && stv2_current_tilemap.incy == 0x10000) |
| 3080 | { |
| 3081 | switch(stv2_current_tilemap.colour_depth) |
| 3082 | { |
| 3083 | case BITMAP_RGB32: draw_rgb32_bitmap(bitmap,cliprect); return; |
| 3084 | } |
| 3085 | |
| 3086 | /* intentional fall-through*/ |
| 3087 | popmessage("%d %s %s %s %s",stv2_current_tilemap.colour_depth, |
| 3088 | stv2_current_tilemap.transparency == STV_TRANSPARENCY_NONE ? "no trans" : "trans", |
| 3089 | stv2_current_tilemap.window_control & 6 ? "window" : "no window", |
| 3090 | stv2_current_tilemap.colour_calculation_enabled ? "cc" : "no cc", |
| 3091 | (stv2_current_tilemap.incx == 0x10000 && stv2_current_tilemap.incy == 0x10000) ? "no zoom" : "zoom"); |
| 3092 | } |
| 3093 | else |
| 3094 | { |
| 3095 | /* intentional fall-through*/ |
| 3096 | popmessage("%d %s %s %s %s",stv2_current_tilemap.colour_depth, |
| 3097 | stv2_current_tilemap.transparency == STV_TRANSPARENCY_NONE ? "no trans" : "trans", |
| 3098 | stv2_current_tilemap.window_control & 6 ? "window" : "no window", |
| 3099 | stv2_current_tilemap.colour_calculation_enabled ? "cc" : "no cc", |
| 3100 | (stv2_current_tilemap.incx == 0x10000 && stv2_current_tilemap.incy == 0x10000) ? "no zoom" : "zoom"); |
| 3101 | } |
| 3102 | |
| 3020 | 3103 | /* size for n0 / n1 */ |
| 3021 | 3104 | switch (stv2_current_tilemap.bitmap_size) |
| 3022 | 3105 | { |