FreeCalypso > hg > fc-tourmaline
diff src/cs/drivers/drv_app/r2d/lcds/PC_DSAMPLE/R2D_pc_dsample_lcd_i.c @ 0:4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 16 Oct 2020 06:23:26 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cs/drivers/drv_app/r2d/lcds/PC_DSAMPLE/R2D_pc_dsample_lcd_i.c Fri Oct 16 06:23:26 2020 +0000 @@ -0,0 +1,189 @@ +static UINT32 r2d_lcd_copy_operator(UINT32 old,UINT32 value) +{ + return(value); +} +static UINT32 r2d_lcd_or_operator(UINT32 old,UINT32 value) +{ + if ((value&0x00FFFFFF)==0x0FFFFFF) + return(old); + else + return(value); +} +static UINT32 r2d_lcd_and_operator(UINT32 old,UINT32 value) +{ + return((~(~old) & (~value))); +} +static UINT32 r2d_lcd_xor_operator(UINT32 old,UINT32 value) +{ + return(~((~old) ^ (~value))) ; +} +static UINT32 r2d_lcd_not_copy_operator(UINT32 old,UINT32 value) +{ + return(~value); +} +static UINT32 r2d_lcd_not_or_operator(UINT32 old,UINT32 value) +{ + return(((~old) | (~value))); +} +static UINT32 r2d_lcd_not_and_operator(UINT32 old,UINT32 value) +{ + return(((~old) & (~value))); +} +static UINT32 r2d_lcd_not_xor_operator(UINT32 old,UINT32 value) +{ + return(((~old) ^ (~value))) ; +} + +static UINT32 r2d_lcd_alpha_operator(UINT32 old,UINT32 value) +{ + INT16 a,rs,gs,bs,rd,gd,bd; + + + + a=(value >> 24) & 0x0FF; + + + if (a) + { + + bs=value&0xFF; + + value=value>>8; + gs=value&0xFF; + + value=value>>8; + rs=value&0xFF; + + bd=old&0xFF; + + old=old>>8; + gd=old&0xFF; + + old=old>>8; + rd=old&0xFF; + + // Pixel value has been complemented before being + // saved so that the white correspond to 0 and be + // compatible with formulas for other modes. + // But alpha value is not complemented + // So a=0xFF correspond tranparency + bd=((a)*bd+(0x100 - a)*bs) >> 8; + gd=((a)*gd+(0x100 - a)*gs) >> 8; + rd=((a)*rd+(0x100 - a)*rs) >> 8; + + + old=((rd << 16) | (gd << 8) | bd) & 0x00FFFFFF; + return(old); + } + else return(value); +} + +const T_R2D_DRAWING_OPERATORS r2d_g_lcd_operators= +{ + &r2d_lcd_copy_operator, + &r2d_lcd_or_operator, + &r2d_lcd_and_operator, + &r2d_lcd_xor_operator, + &r2d_lcd_not_copy_operator, + &r2d_lcd_not_or_operator, + &r2d_lcd_not_and_operator, + &r2d_lcd_not_xor_operator, + &r2d_lcd_alpha_operator +}; + + + + + + + + +// Return the pixel value to write on the LCD or the offscreen +// pixmap +// (Convert Riviera color to Windows RGB Format with complement) +void r2d_convert_foreground_color(T_R2D_GC *gc,UINT32 color) +{ + /*gc->foreground_pixel_value=r2d_alpha(color); + gc->foreground_pixel_value<<=24; + + gc->foreground_pixel_value|=((RGB(r2d_red(color), + r2d_green(color),r2d_blue(color)))) & 0x00FFFFFF;*/ + + gc->foreground_pixel_value=color; +} + +// Return the pixel value to write on the LCD or the offscreen +// pixmap +// (Convert ribviera color to windows RGB format with complement) +void r2d_convert_background_color(T_R2D_GC *gc,UINT32 color) +{ + /*gc->background_pixel_value=r2d_alpha(color); + gc->background_pixel_value<<=24; + + gc->background_pixel_value|=((RGB(r2d_red(color), + r2d_green(color),r2d_blue(color)))) & 0x00FFFFFF;*/ + + gc->background_pixel_value=color; +} + +// Convert a LCD value (not color) to a value +// to be written into the 24bpp framebuffer +// In general, the value written is a packed +// representation of the ARGB color +// but it may be different according to the framebuffer +// internal format +BOOLEAN r2d_lcd_foreground_pixel(UINT32 lcd_value,T_R2D_GC_PTR src_gc) +{ + if (lcd_value&0x0FFFFFF==0x0FFFFFF) + return(FALSE); + else + return(TRUE); +} + +// Assume than color framebuffer contains ARGB packed values +// Convert color to LCD with on the fly dithering +// Riviera complemented RGB to Windows complemented one +// Convert from pixel_value to LCD +UINT32 r2d_color_to_lcd(UINT32 pixel_value,INT16 x,INT16 y) +{ + INT16 r,g,b; + UINT32 alpha; + //UINT32 tmp; + + /*alpha=pixel_value & 0xFF000000; + + pixel_value=~pixel_value; + + b=pixel_value&0xFF; + + pixel_value=pixel_value>>8; + g=pixel_value&0xFF; + + pixel_value=pixel_value>>8; + r=pixel_value&0xFF; + + + //tmp=(~RGB(r,g,b)) & 0x00FFFFFF; + return(((RGB(r,g,b)) & 0x00FFFFFF) | (alpha ));*/ + return((~(pixel_value&0x00FFFFFF)) | (pixel_value&0xFF000000)); +} + +// Windows RGB format to pixel value for 24 bpp framebuffer +UINT32 r2d_lcd_to_color(UINT32 color) +{ + + INT16 r,g,b; + UINT32 a; + + /*a=color&0xFF000000; + + color=color; + r=GetRValue(color); + g=GetGValue(color); + b=GetBValue(color); + + return(((~((r<<16) + (g<<8)+b)) & 0x00FFFFFF) | a);*/ + return((~(color&0xFFFFFF)) | (color&0xFF000000)); +} + +