FreeCalypso > hg > fc-magnetite
annotate src/cs/drivers/drv_app/r2d/lcds/D_Sample/R2D_board_dsample_lcd_i.c @ 453:96c047b4325e
R2D D-Sample drivers: only do the actual hw pokes when CONFIG_TARGET_DSAMPLE
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 15 Mar 2018 05:48:03 +0000 |
parents | 945cf7f506b2 |
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rev | line source |
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1 |
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2 |
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3 static UINT32 r2d_lcd_copy_operator(UINT32 old,UINT32 value) |
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4 { |
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5 return(value); |
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6 } |
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8 static UINT32 r2d_lcd_or_operator(UINT32 old,UINT32 value) |
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9 { |
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10 if ((value&0x0000FFFF)==0) |
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11 return(old); |
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12 else |
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13 return(value); |
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14 } |
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15 static UINT32 r2d_lcd_and_operator(UINT32 old,UINT32 value) |
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16 { |
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17 return(old & value); |
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18 } |
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19 static UINT32 r2d_lcd_xor_operator(UINT32 old,UINT32 value) |
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20 { |
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21 return(old ^ value) ; |
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22 } |
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23 static UINT32 r2d_lcd_not_copy_operator(UINT32 old,UINT32 value) |
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24 { |
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25 return(~value); |
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26 } |
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27 static UINT32 r2d_lcd_not_or_operator(UINT32 old,UINT32 value) |
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28 { |
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29 return(~(old | value)); |
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30 } |
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31 static UINT32 r2d_lcd_not_and_operator(UINT32 old,UINT32 value) |
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32 { |
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33 return(~(old & value)); |
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34 } |
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35 static UINT32 r2d_lcd_not_xor_operator(UINT32 old,UINT32 value) |
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36 { |
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37 return(~(old ^ value)) ; |
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38 } |
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39 static UINT32 r2d_lcd_erase_operator(UINT32 old,UINT32 value) |
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40 { |
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41 if ((value&0x0FFFF)==0xFFFF) |
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42 return(0); |
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43 else |
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44 return(old); |
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45 } |
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46 |
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47 // This operator is meaningless when alpha mode not supported |
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48 UINT32 r2d_lcd_alpha_operator(UINT32 old,UINT32 value) |
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49 { |
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50 UINT16 a,rs,gs,bs,rd,gd,bd; |
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51 UINT32 big_a; |
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52 |
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53 big_a=value; |
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54 big_a=big_a>>16; |
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55 |
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56 a=big_a; |
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57 |
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58 if (a) |
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59 { |
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60 |
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61 value=(~value) & 0x0FFFFFF; |
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62 old=(~old) & 0x0FFFFFF; |
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63 |
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64 bs=(value&0x1F); |
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65 value=value>>5; |
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66 gs=(value&0x3F); |
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67 value=value>>6; |
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68 rs=(value&0x1F); |
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69 |
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70 |
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71 |
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72 bd=(old&0x1F); |
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73 old=old>>5; |
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74 gd=(old&0x3F); |
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75 old=old>>6; |
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76 rd=(old&0x1F); |
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77 |
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78 |
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79 |
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81 // Pixel value has been complemented before being |
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82 // saved so that the white correspond to 0 and be |
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83 // compatible with formulas for other modes. |
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84 // But alpha value is not complemented |
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85 // So a=0xFF correspond tranparency |
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86 bd=((a)*bd+(0x100 - a)*bs) >> 8; |
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87 gd=((a)*gd+(0x100 - a)*gs) >> 8; |
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88 rd=((a)*rd+(0x100 - a)*rs) >> 8; |
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89 |
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90 |
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92 old=(~((rd<<11)|(gd<<5)|bd)) & 0x000FFFF; |
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93 return(old); |
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94 } |
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95 else |
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96 return(value); |
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97 } |
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98 |
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99 |
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100 const T_R2D_DRAWING_OPERATORS r2d_g_lcd_operators= |
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101 { |
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102 &r2d_lcd_copy_operator, |
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103 &r2d_lcd_or_operator, |
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104 &r2d_lcd_and_operator, |
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105 &r2d_lcd_xor_operator, |
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106 &r2d_lcd_not_copy_operator, |
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107 &r2d_lcd_not_or_operator, |
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108 &r2d_lcd_not_and_operator, |
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109 &r2d_lcd_not_xor_operator, |
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110 &r2d_lcd_alpha_operator, |
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111 &r2d_lcd_erase_operator |
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112 }; |
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113 |
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114 |
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115 // Return the pixel value to write on the LCD or the offscreen |
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116 // pixmap |
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117 // (Convert Riviera color to D-Sample RGB Format with complement) |
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118 void r2d_convert_foreground_color(T_R2D_GC *gc,UINT32 color) |
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119 { |
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120 INT16 r,g,b; |
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121 UINT32 a; |
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122 |
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123 gc->foreground_pixel_value=0; |
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124 |
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125 a=(r2d_alpha(color)) << 16; |
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126 gc->foreground_pixel_value|=a; |
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127 |
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128 r=(r2d_red(color)&0xF8) >> 3; |
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129 g=(r2d_green(color)&0xFC) >> 2; |
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130 b=(r2d_blue(color)&0xF8) >> 3 ; |
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131 |
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132 gc->foreground_pixel_value|= (~((r<<11) | (g<<5) | b)) & 0x0FFFF; |
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133 |
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134 } |
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135 |
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136 // Return the pixel value to write on the LCD or the offscreen |
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137 // pixmap |
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138 // (Convert riviera color to D-Sample RGB format with complement) |
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139 void r2d_convert_background_color(T_R2D_GC *gc,UINT32 color) |
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140 { |
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141 INT16 r,g,b; |
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142 UINT32 a; |
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143 |
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144 gc->background_pixel_value=0; |
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145 |
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146 a=(r2d_alpha(color)) << 16; |
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147 gc->background_pixel_value|=a; |
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148 |
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149 r=(r2d_red(color)&0xF8) >> 3 ; |
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150 g=(r2d_green(color)&0xFC) >> 2 ; |
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151 b=(r2d_blue(color)&0xF8) >> 3 ; |
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152 |
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153 gc->background_pixel_value|= (~((r<<11) | (g<<5) | b)) & 0x0FFFF; |
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154 } |
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155 |
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156 |
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157 |
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158 // Convert a LCD value (not color) to a value |
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159 // to be written into the 24bpp framebuffer |
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160 // In general, the value written is a packed |
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161 // representation of the ARGB color |
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162 // but it may be different according to the framebuffer |
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163 // internal format |
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164 BOOLEAN r2d_lcd_foreground_pixel(UINT32 lcd_value,T_R2D_GC_PTR src_gc) |
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165 { |
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166 if (lcd_value&0x0000FFFF) |
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167 return(TRUE); |
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168 else |
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169 return(FALSE); |
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170 } |
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171 |
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172 // Color framebuffer to D-Sample LCD |
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173 UINT32 r2d_color_to_lcd(UINT32 pixel_value,INT16 x,INT16 y) |
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174 { |
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175 |
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176 INT16 red,green,blue; |
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177 UINT32 alpha; |
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178 |
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179 alpha=pixel_value & 0xFF000000; |
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180 alpha=alpha>>8; |
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181 |
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182 pixel_value=(~pixel_value) & 0x00FFFFFF; |
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183 red=r2d_red(pixel_value); |
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184 green=r2d_green(pixel_value); |
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185 blue=r2d_blue(pixel_value); |
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186 |
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187 red=(red&0xF8)>>3; |
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188 green=(green&0xFC)>>2; |
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189 blue=(blue&0xF8)>>3; |
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190 |
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191 return(((~((red<<11) | (green << 5) | blue)) & 0x0000FFFF) | alpha); |
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192 } |
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193 |
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194 // D-Sample LCD to color framebuffer |
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195 UINT32 r2d_lcd_to_color(UINT32 color) |
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196 { |
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197 |
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198 INT16 r,g,b; |
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199 UINT32 alpha; |
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200 |
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201 alpha=color & 0x00FF0000; |
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202 alpha=alpha<<8; |
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203 |
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204 color=~color; |
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205 b=(color&0x1F)<<3; |
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206 color=color>>5; |
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207 g=(color&0x3F)<<2; |
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208 color=color>>6; |
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209 r=(color&0x1F)<<3; |
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210 |
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211 return(((~((r<<16) + (g<<8)+b)) & 0x00FFFFFF) | alpha); |
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212 } |
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213 |
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214 |