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comparison src/cs/drivers/drv_app/r2d/lcds/PC_DSAMPLE/R2D_pc_dsample_lcd_i.c @ 0:b6a5e36de839

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src/cs: initial import from Magnetite
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jul 2018 04:39:26 +0000
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-1:000000000000 0:b6a5e36de839
1 static UINT32 r2d_lcd_copy_operator(UINT32 old,UINT32 value)
2 {
3 return(value);
4 }
5 static UINT32 r2d_lcd_or_operator(UINT32 old,UINT32 value)
6 {
7 if ((value&0x00FFFFFF)==0x0FFFFFF)
8 return(old);
9 else
10 return(value);
11 }
12 static UINT32 r2d_lcd_and_operator(UINT32 old,UINT32 value)
13 {
14 return((~(~old) & (~value)));
15 }
16 static UINT32 r2d_lcd_xor_operator(UINT32 old,UINT32 value)
17 {
18 return(~((~old) ^ (~value))) ;
19 }
20 static UINT32 r2d_lcd_not_copy_operator(UINT32 old,UINT32 value)
21 {
22 return(~value);
23 }
24 static UINT32 r2d_lcd_not_or_operator(UINT32 old,UINT32 value)
25 {
26 return(((~old) | (~value)));
27 }
28 static UINT32 r2d_lcd_not_and_operator(UINT32 old,UINT32 value)
29 {
30 return(((~old) & (~value)));
31 }
32 static UINT32 r2d_lcd_not_xor_operator(UINT32 old,UINT32 value)
33 {
34 return(((~old) ^ (~value))) ;
35 }
36
37 static UINT32 r2d_lcd_alpha_operator(UINT32 old,UINT32 value)
38 {
39 INT16 a,rs,gs,bs,rd,gd,bd;
40
41
42
43 a=(value >> 24) & 0x0FF;
44
45
46 if (a)
47 {
48
49 bs=value&0xFF;
50
51 value=value>>8;
52 gs=value&0xFF;
53
54 value=value>>8;
55 rs=value&0xFF;
56
57 bd=old&0xFF;
58
59 old=old>>8;
60 gd=old&0xFF;
61
62 old=old>>8;
63 rd=old&0xFF;
64
65 // Pixel value has been complemented before being
66 // saved so that the white correspond to 0 and be
67 // compatible with formulas for other modes.
68 // But alpha value is not complemented
69 // So a=0xFF correspond tranparency
70 bd=((a)*bd+(0x100 - a)*bs) >> 8;
71 gd=((a)*gd+(0x100 - a)*gs) >> 8;
72 rd=((a)*rd+(0x100 - a)*rs) >> 8;
73
74
75 old=((rd << 16) | (gd << 8) | bd) & 0x00FFFFFF;
76 return(old);
77 }
78 else return(value);
79 }
80
81 const T_R2D_DRAWING_OPERATORS r2d_g_lcd_operators=
82 {
83 &r2d_lcd_copy_operator,
84 &r2d_lcd_or_operator,
85 &r2d_lcd_and_operator,
86 &r2d_lcd_xor_operator,
87 &r2d_lcd_not_copy_operator,
88 &r2d_lcd_not_or_operator,
89 &r2d_lcd_not_and_operator,
90 &r2d_lcd_not_xor_operator,
91 &r2d_lcd_alpha_operator
92 };
93
94
95
96
97
98
99
100
101 // Return the pixel value to write on the LCD or the offscreen
102 // pixmap
103 // (Convert Riviera color to Windows RGB Format with complement)
104 void r2d_convert_foreground_color(T_R2D_GC *gc,UINT32 color)
105 {
106 /*gc->foreground_pixel_value=r2d_alpha(color);
107 gc->foreground_pixel_value<<=24;
108
109 gc->foreground_pixel_value|=((RGB(r2d_red(color),
110 r2d_green(color),r2d_blue(color)))) & 0x00FFFFFF;*/
111
112 gc->foreground_pixel_value=color;
113 }
114
115 // Return the pixel value to write on the LCD or the offscreen
116 // pixmap
117 // (Convert ribviera color to windows RGB format with complement)
118 void r2d_convert_background_color(T_R2D_GC *gc,UINT32 color)
119 {
120 /*gc->background_pixel_value=r2d_alpha(color);
121 gc->background_pixel_value<<=24;
122
123 gc->background_pixel_value|=((RGB(r2d_red(color),
124 r2d_green(color),r2d_blue(color)))) & 0x00FFFFFF;*/
125
126 gc->background_pixel_value=color;
127 }
128
129 // Convert a LCD value (not color) to a value
130 // to be written into the 24bpp framebuffer
131 // In general, the value written is a packed
132 // representation of the ARGB color
133 // but it may be different according to the framebuffer
134 // internal format
135 BOOLEAN r2d_lcd_foreground_pixel(UINT32 lcd_value,T_R2D_GC_PTR src_gc)
136 {
137 if (lcd_value&0x0FFFFFF==0x0FFFFFF)
138 return(FALSE);
139 else
140 return(TRUE);
141 }
142
143 // Assume than color framebuffer contains ARGB packed values
144 // Convert color to LCD with on the fly dithering
145 // Riviera complemented RGB to Windows complemented one
146 // Convert from pixel_value to LCD
147 UINT32 r2d_color_to_lcd(UINT32 pixel_value,INT16 x,INT16 y)
148 {
149 INT16 r,g,b;
150 UINT32 alpha;
151 //UINT32 tmp;
152
153 /*alpha=pixel_value & 0xFF000000;
154
155 pixel_value=~pixel_value;
156
157 b=pixel_value&0xFF;
158
159 pixel_value=pixel_value>>8;
160 g=pixel_value&0xFF;
161
162 pixel_value=pixel_value>>8;
163 r=pixel_value&0xFF;
164
165
166 //tmp=(~RGB(r,g,b)) & 0x00FFFFFF;
167 return(((RGB(r,g,b)) & 0x00FFFFFF) | (alpha ));*/
168 return((~(pixel_value&0x00FFFFFF)) | (pixel_value&0xFF000000));
169 }
170
171 // Windows RGB format to pixel value for 24 bpp framebuffer
172 UINT32 r2d_lcd_to_color(UINT32 color)
173 {
174
175 INT16 r,g,b;
176 UINT32 a;
177
178 /*a=color&0xFF000000;
179
180 color=color;
181 r=GetRValue(color);
182 g=GetGValue(color);
183 b=GetBValue(color);
184
185 return(((~((r<<16) + (g<<8)+b)) & 0x00FFFFFF) | a);*/
186 return((~(color&0xFFFFFF)) | (color&0xFF000000));
187 }
188
189