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1 // Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // e32test\video\t_vidmode.cpp |
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15 // Tests the video driver kernel extension |
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16 // |
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17 // |
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18 |
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19 #include <hal.h> |
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20 #include <e32svr.h> |
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21 #include <videodriver.h> |
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22 |
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23 GLDEF_C TInt E32Main() |
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24 { |
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25 TBuf<256> cmd; |
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26 User::CommandLine(cmd); |
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27 TLex lex(cmd); |
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28 TInt mode; |
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29 lex.Val(mode); |
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30 |
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31 TInt screens; |
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32 HAL::Get(HAL::EDisplayNumberOfScreens, screens); |
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33 for(TInt i=0;i<screens;i++) |
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34 { |
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35 TInt nmodes; |
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36 HAL::Get(i, HAL::EDisplayNumModes, nmodes); |
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37 if (mode<0 || mode>=nmodes) |
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38 return KErrArgument; |
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39 |
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40 HAL::Set(i, HAL::EDisplayMode, mode); |
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41 |
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42 TInt xres, yres, bpp, addr; |
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43 bpp=mode; |
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44 HAL::Get(i, HAL::EDisplayXPixels, xres); |
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45 HAL::Get(i, HAL::EDisplayYPixels, yres); |
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46 HAL::Get(i, HAL::EDisplayBitsPerPixel, bpp); |
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47 HAL::Get(i, HAL::EDisplayMemoryAddress, addr); |
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48 |
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49 TInt bpl=mode; |
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50 HAL::Get(i, HAL::EDisplayOffsetBetweenLines, bpl); |
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51 |
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52 TInt ofp=mode; |
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53 HAL::Get(i, HAL::EDisplayOffsetToFirstPixel, ofp); |
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54 |
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55 RDebug::Print(_L("xres=%d yres=%d bpp=%d"), xres, yres, bpp); |
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56 RDebug::Print(_L("addr=%08x bpl=%d ofp=%d"), addr, bpl, ofp); |
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57 |
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58 TInt xb, yb; |
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59 for (yb=0; yb<yres/16; ++yb) |
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60 { |
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61 for (xb=0; xb<xres/16; ++xb) |
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62 { |
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63 // TUint c=(5*(xb+yb))&0xff; |
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64 TUint c=(xb*xb+yb*yb)&0xff; |
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65 TUint r=c&7; |
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66 TUint g=(c>>3)&7; |
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67 TUint b=(c>>6); |
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68 TUint c16=(b<<14)|(g<<8)|(r<<2); |
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69 c16 |= (c16<<16); |
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70 TUint c8=c|(c<<8); |
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71 c8 |= (c8<<16); |
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72 TUint c32=(b<<22)|(g<<13)|(r<<5); |
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73 TInt baddr=addr+ofp+yb*16*bpl+xb*16*bpp/8; |
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74 TInt l; |
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75 for (l=0; l<16; ++l, baddr+=bpl) |
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76 { |
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77 TUint32* p=(TUint32*)baddr; |
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78 if (bpp==8) |
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79 *p++=c8, *p++=c8, *p++=c8, *p++=c8; |
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80 else if (bpp==16) |
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81 *p++=c16, *p++=c16, *p++=c16, *p++=c16, |
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82 *p++=c16, *p++=c16, *p++=c16, *p++=c16; |
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83 // c16+=((l&3==3))?0x20:0x00; |
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84 else |
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85 *p++=c32+0x0, *p++=c32+0x1, *p++=c32+0x2, *p++=c32+0x3, |
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86 *p++=c32+0x4, *p++=c32+0x5, *p++=c32+0x6, *p++=c32+0x7, |
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87 *p++=c32+0x8, *p++=c32+0x9, *p++=c32+0xa, *p++=c32+0xb, |
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88 *p++=c32+0xc, *p++=c32+0xd, *p++=c32+0xe, *p++=c32+0xf, |
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89 c32+=0x100; |
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90 } |
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91 } |
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92 } |
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93 } |
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94 |
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95 return KErrNone; |
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96 } |