[657] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 | #include "OgreD3D7Texture.h"
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| 26 | #include "OgreException.h"
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| 27 | #include "OgreImage.h"
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| 28 | #include "OgreLogManager.h"
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| 29 | #include "OgreHardwarePixelBuffer.h"
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| 30 | #include "OgreRoot.h"
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| 31 |
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| 32 | namespace Ogre {
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| 33 |
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| 34 | D3DX_SURFACEFORMAT D3DTexture::OgreFormat_to_D3DXFormat( PixelFormat format )
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| 35 | {
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| 36 | switch( format )
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| 37 | {
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| 38 | case PF_R8G8B8:
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| 39 | return D3DX_SF_R8G8B8;
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| 40 | case PF_A8R8G8B8:
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| 41 | return D3DX_SF_A8R8G8B8;
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| 42 | case PF_X8R8G8B8:
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| 43 | return D3DX_SF_X8R8G8B8;
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| 44 | case PF_R5G6B5:
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| 45 | return D3DX_SF_R5G6B5;
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| 46 | case PF_A4R4G4B4:
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| 47 | return D3DX_SF_A4R4G4B4;
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| 48 | case PF_L8:
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| 49 | return D3DX_SF_L8;
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| 50 | case PF_BYTE_LA: // Assume little endian
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| 51 | return D3DX_SF_A8L8;
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| 52 | case PF_DXT1:
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| 53 | return D3DX_SF_DXT1;
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| 54 | case PF_DXT3:
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| 55 | return D3DX_SF_DXT3;
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| 56 | case PF_DXT5:
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| 57 | return D3DX_SF_DXT5;
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| 58 | case PF_A8:
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| 59 | return D3DX_SF_A8;
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| 60 | default:
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| 61 | return D3DX_SF_UNKNOWN;
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| 62 | }
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| 63 | }
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| 64 |
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| 65 | PixelFormat D3DTexture::closestD3DXFormat( PixelFormat format )
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| 66 | {
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| 67 | if(OgreFormat_to_D3DXFormat(format) != D3DX_SF_UNKNOWN)
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| 68 | {
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| 69 | // Format is directly supported -- great!
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| 70 | return format;
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| 71 | }
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| 72 | switch(format)
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| 73 | {
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| 74 | case PF_B5G6R5:
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| 75 | return PF_R5G6B5;
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| 76 | case PF_B8G8R8:
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| 77 | return PF_R8G8B8;
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| 78 | case PF_B8G8R8A8:
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| 79 | return PF_A8R8G8B8;
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| 80 | default:
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| 81 | return PF_A8R8G8B8;
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| 82 | }
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| 83 | }
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| 84 |
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| 85 | bool D3DTexture::OgreFormat_to_DDPixelFormat( PixelFormat format, DDPIXELFORMAT & out )
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| 86 | {
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| 87 | D3DX_SURFACEFORMAT fmt = OgreFormat_to_D3DXFormat(format);
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| 88 | if(fmt != D3DX_SF_UNKNOWN)
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| 89 | {
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| 90 | D3DXMakeDDPixelFormat(fmt, &out);
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| 91 | return true;
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| 92 | }
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| 93 | return false;
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| 94 | #if 0
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| 95 | memset( &out, 0, sizeof( DDPIXELFORMAT ) );
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| 96 | out.dwSize = sizeof( DDPIXELFORMAT );
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| 97 | if(PixelUtil::isNativeEndian(format))
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| 98 | {
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| 99 | int depths[4];
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| 100 | uint32 masks[4];
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| 101 | size_t elemBits = PixelUtil::getNumElemBits(format);
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| 102 | PixelUtil::getBitDepths(format, depths);
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| 103 | PixelUtil::getBitMasks(format, masks);
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| 104 |
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| 105 | if(PixelUtil::isLuminance(format))
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| 106 | {
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| 107 | out.dwFlags = DDPF_LUMINANCE;
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| 108 | out.dwLuminanceBitCount = elemBits;
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| 109 | out.dwLuminanceBitMask = masks[0];
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| 110 | if(PixelUtil::hasAlpha(format))
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| 111 | {
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| 112 | out.dwFlags |= DDPF_ALPHAPIXELS;
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| 113 | out.dwLuminanceAlphaBitMask = masks[3];
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| 114 | }
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| 115 | }
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| 116 | else if(depths[0]==0 && depths[1]==0 && depths[2] == 0 && depths[3] != 0)
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| 117 | {
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| 118 | // Alpha only format
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| 119 | out.dwFlags = DDPF_ALPHA;
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| 120 | out.dwAlphaBitDepth = elemBits;
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| 121 | }
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| 122 | else
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| 123 | {
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| 124 | // RGB[A] format
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| 125 | out.dwFlags = DDPF_RGB;
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| 126 | out.dwRGBBitCount = elemBits;
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| 127 | out.dwRBitMask = masks[0];
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| 128 | out.dwGBitMask = masks[1];
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| 129 | out.dwBBitMask = masks[2];
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| 130 |
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| 131 | if(PixelUtil::hasAlpha(format))
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| 132 | {
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| 133 | out.dwFlags |= DDPF_ALPHAPIXELS;
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| 134 | out.dwRGBAlphaBitMask = masks[3];
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| 135 | }
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| 136 | }
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| 137 | }
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| 138 | else
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| 139 | {
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| 140 | switch( format )
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| 141 | {
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| 142 | case PF_BYTE_LA:
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| 143 | // Assume little endian
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| 144 | out.dwFlags = DDPF_LUMINANCE | DDPF_ALPHAPIXELS;
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| 145 | out.dwLuminanceBitCount = 16;
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| 146 |
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| 147 | out.dwLuminanceAlphaBitMask = 0xff00;
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| 148 | out.dwLuminanceBitMask = 0x00ff;
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| 149 | break;
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| 150 | default:
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| 151 | // Error unknown format
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| 152 | return false;
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| 153 | }
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| 154 | }
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| 155 | return true;
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| 156 | #endif
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| 157 | }
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| 158 |
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| 159 | //---------------------------------------------------------------------------------------------
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| 160 | D3DTexture::D3DTexture(ResourceManager* creator, const String& name,
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| 161 | ResourceHandle handle, const String& group, bool isManual,
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| 162 | ManualResourceLoader* loader, IDirect3DDevice7 * lpDirect3dDevice)
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| 163 | :Texture(creator, name, handle, group, isManual, loader),
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| 164 | mD3DDevice(lpDirect3dDevice), mRestoring(false)
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| 165 | {
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| 166 | mD3DDevice->AddRef();
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| 167 | }
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| 168 | //---------------------------------------------------------------------------------------------
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| 169 | D3DTexture::~D3DTexture()
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| 170 | {
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| 171 | __safeRelease( &mD3DDevice );
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| 172 | // have to call this here reather than in Resource destructor
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| 173 | // since calling virtual methods in base destructors causes crash
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| 174 | if (mIsLoaded)
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| 175 | {
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| 176 | unload();
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| 177 | }
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| 178 | else
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| 179 | {
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| 180 | freeInternalResources();
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| 181 | }
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| 182 | }
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| 183 |
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| 184 | //---------------------------------------------------------------------------------------------
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| 185 | void D3DTexture::loadImage( const Image & img )
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| 186 | {
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| 187 | // Use OGRE its own codecs
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| 188 | std::vector<const Image*> imagePtrs;
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| 189 | imagePtrs.push_back(&img);
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| 190 | _loadImages( imagePtrs );
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| 191 | }
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| 192 | //---------------------------------------------------------------------------------------------
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| 193 | void D3DTexture::loadImage3D( const Image imgs[] )
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| 194 | {
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| 195 | // Use OGRE its own codecs
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| 196 | std::vector<const Image*> imagePtrs;
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| 197 | imagePtrs.push_back(&imgs[0]);
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| 198 | imagePtrs.push_back(&imgs[1]);
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| 199 | imagePtrs.push_back(&imgs[2]);
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| 200 | imagePtrs.push_back(&imgs[3]);
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| 201 | imagePtrs.push_back(&imgs[4]);
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| 202 | imagePtrs.push_back(&imgs[5]);
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| 203 | _loadImages( imagePtrs );
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| 204 | }
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| 205 | //---------------------------------------------------------------------------------------------
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| 206 | void D3DTexture::createInternalResourcesImpl(void)
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| 207 | {
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| 208 | // Skip this if we're restoring device
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| 209 | // We're using the generic load() but skipping init since DD can restore that
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| 210 | if (!mRestoring)
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| 211 | {
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| 212 | if (mTextureType == TEX_TYPE_CUBE_MAP)
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| 213 | {
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| 214 | createSurface3D();
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| 215 | }
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| 216 | else if(mTextureType == TEX_TYPE_2D)
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| 217 | {
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| 218 | createSurface2D();
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| 219 | }
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| 220 | else
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| 221 | {
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| 222 | OGRE_EXCEPT( Exception::ERR_INTERNAL_ERROR, "Unknown texture type", "D3DTexture::createInternalResources" );
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| 223 | }
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| 224 | _createSurfaceList();
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| 225 | }
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| 226 | }
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| 227 | //---------------------------------------------------------------------------------------------
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| 228 | void D3DTexture::restoreFromLostDevice(void)
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| 229 | {
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| 230 | if (mIsLoaded && !(mUsage & TU_RENDERTARGET))
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| 231 | {
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| 232 | mRestoring = true;
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| 233 | // Mark as unloaded even though we're not so we can reload content
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| 234 | mIsLoaded = false;
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| 235 | load();
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| 236 | mRestoring = false;
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| 237 | }
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| 238 | }
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| 239 | //---------------------------------------------------------------------------------------------
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| 240 | void D3DTexture::loadImpl(void)
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| 241 | {
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| 242 | if (mTextureType == TEX_TYPE_CUBE_MAP)
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| 243 | {
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| 244 | _constructCubeFaceNames(mName);
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| 245 | Image imgs[6];
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| 246 | for (int face = 0; face < 6; ++face)
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| 247 | {
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| 248 | imgs[face].load(mCubeFaceNames[face], mGroup);
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| 249 | }
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| 250 | loadImage3D(imgs);
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| 251 |
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| 252 | }
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| 253 | else if(mTextureType == TEX_TYPE_2D)
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| 254 | {
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| 255 | Image img;
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| 256 | img.load(mName, mGroup);
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| 257 |
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| 258 | loadImage( img );
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| 259 | }
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| 260 | else
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| 261 | {
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| 262 | OGRE_EXCEPT( Exception::ERR_INTERNAL_ERROR, "Unknown texture type", "D3DTexture::loadImpl" );
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| 263 | }
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| 264 |
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| 265 | }
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| 266 | //---------------------------------------------------------------------------------------------
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| 267 | void D3DTexture::copyToTexture(TexturePtr& target )
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| 268 | {
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| 269 | HRESULT hr;
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| 270 | if( FAILED( hr = ((D3DTexture*)(target.get()))->getDDSurface()->Blt( NULL, mSurface, NULL, DDBLT_WAIT, NULL ) ) )
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| 271 | {
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| 272 | if(hr != DDERR_SURFACELOST)
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| 273 | OGRE_EXCEPT( Exception::ERR_RENDERINGAPI_ERROR, "Couldn't blit!", "D3DTexture::copyToTexture" );
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| 274 | }
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| 275 | }
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| 276 |
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| 277 | //---------------------------------------------------------------------------------------------
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| 278 | void D3DTexture::freeInternalResourcesImpl()
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| 279 | {
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| 280 | __safeRelease( &mSurface );
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| 281 | }
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| 282 | //---------------------------------------------------------------------------------------------
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| 283 | void D3DTexture::_chooseD3DFormat(DDPIXELFORMAT &ddpf)
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| 284 | {
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| 285 | //mFormat = closestD3DXFormat(mFormat);
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| 286 | //OgreFormat_to_DDPixelFormat(mFormat, ddpf);
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| 287 | /* The pixel format is always RGB */
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| 288 | ddpf.dwFlags = DDPF_RGB;
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| 289 | ddpf.dwRGBBitCount = mFinalBpp;
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| 290 |
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| 291 | if( mHasAlpha )
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| 292 | {
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| 293 | ddpf.dwFlags |= DDPF_ALPHAPIXELS;
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| 294 | }
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| 295 |
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| 296 | /* Compute the bit masks */
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| 297 | if( mFinalBpp == 16 )
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| 298 | {
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| 299 | if( mHasAlpha )
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| 300 | {
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| 301 | /* 4-4-4-4 ARGB */
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| 302 | ddpf.dwRGBAlphaBitMask = 0xf000;
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| 303 | ddpf.dwRBitMask = 0x0f00;
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| 304 | ddpf.dwGBitMask = 0x00f0;
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| 305 | ddpf.dwBBitMask = 0x000f;
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| 306 | mFormat = PF_A4R4G4B4;
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| 307 | }
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| 308 | else
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| 309 | {
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| 310 | /* 5-6-5 RGB */
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| 311 | ddpf.dwRBitMask = 0xf800;
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| 312 | ddpf.dwGBitMask = 0x07e0;
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| 313 | ddpf.dwBBitMask = 0x001f;
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| 314 | mFormat = PF_R5G6B5;
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| 315 | }
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| 316 | }
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| 317 | else
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| 318 | {
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| 319 | if( mHasAlpha )
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| 320 | {
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| 321 | /* 8-8-8-8 ARGB */
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| 322 | ddpf.dwRGBAlphaBitMask = 0xff000000;
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| 323 | ddpf.dwRBitMask = 0x00ff0000;
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| 324 | ddpf.dwGBitMask = 0x0000ff00;
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| 325 | ddpf.dwBBitMask = 0x000000ff;
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| 326 | mFormat = PF_A8R8G8B8;
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| 327 | }
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| 328 | else
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| 329 | {
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| 330 | /* 8-8-8 RGB */
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| 331 | ddpf.dwRBitMask = 0xff0000;
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| 332 | ddpf.dwGBitMask = 0x00ff00;
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| 333 | ddpf.dwBBitMask = 0x0000ff;
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| 334 | mFormat = PF_X8R8G8B8;
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| 335 | }
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| 336 | }
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| 337 | }
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| 338 | //---------------------------------------------------------------------------------------------
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| 339 | void D3DTexture::createSurface2D(void)
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| 340 | {
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| 341 | D3DDEVICEDESC7 ddDesc;
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| 342 | ZeroMemory( &ddDesc, sizeof(D3DDEVICEDESC7) );
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| 343 |
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| 344 | if( FAILED( mD3DDevice->GetCaps( &ddDesc ) ) )
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| 345 | OGRE_EXCEPT( Exception::ERR_RENDERINGAPI_ERROR,
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| 346 | "Could not retrieve Direct3D Device caps.",
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| 347 | "D3DTexture::createSurfaces" );
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| 348 |
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| 349 | // Create a surface descriptor.
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| 350 | DDSURFACEDESC2 ddsd;
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| 351 | D3DUtil_InitSurfaceDesc( ddsd );
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| 352 |
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| 353 | ddsd.dwSize = sizeof(DDSURFACEDESC2);
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| 354 | ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT;
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| 355 | ddsd.ddsCaps.dwCaps = DDSCAPS_TEXTURE;
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| 356 | ddsd.ddsCaps.dwCaps2 = 0;
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| 357 | ddsd.dwWidth = mSrcWidth;
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| 358 | ddsd.dwHeight = mSrcHeight;
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| 359 |
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| 360 | /* If the texture is a render target, set the corresponding flags */
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| 361 | if( mUsage & TU_RENDERTARGET )
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| 362 | {
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| 363 | ddsd.ddsCaps.dwCaps |= DDSCAPS_3DDEVICE | DDSCAPS_LOCALVIDMEM | DDSCAPS_VIDEOMEMORY;
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| 364 | ddsd.ddsCaps.dwCaps2 = 0;
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| 365 | mNumRequestedMipmaps = 0;
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| 366 | }
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| 367 | else
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| 368 | {
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| 369 | ddsd.ddsCaps.dwCaps2 = DDSCAPS2_D3DTEXTUREMANAGE;
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| 370 | }
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| 371 |
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| 372 | /* If we want to have mip-maps, set the flags. Note that if the
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| 373 | texture is the render target type mip-maps are automatically
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| 374 | disabled. */
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| 375 | if( mNumRequestedMipmaps )
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| 376 | {
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| 377 | ddsd.dwFlags |= DDSD_MIPMAPCOUNT;
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| 378 | ddsd.dwMipMapCount = mNumRequestedMipmaps;
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| 379 |
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| 380 | ddsd.ddsCaps.dwCaps |= DDSCAPS_MIPMAP | DDSCAPS_COMPLEX;
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| 381 | }
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| 382 |
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| 383 | _chooseD3DFormat(ddsd.ddpfPixelFormat);
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| 384 |
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| 385 | /* Change texture size so that it is a power of 2, if needed. */
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| 386 | if( ddDesc.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_POW2 )
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| 387 | {
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| 388 | for( ddsd.dwWidth = 1; mSrcWidth > ddsd.dwWidth; ddsd.dwWidth <<= 1 );
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| 389 | for( ddsd.dwHeight = 1; mSrcHeight > ddsd.dwHeight; ddsd.dwHeight <<= 1 );
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| 390 | }
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| 391 |
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| 392 | /* Change texture size so that it is square, if needed. Note that we made it a
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| 393 | power of 2 in the above test, so here we just have to find the bigger dimension
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| 394 | and make it the side length. */
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| 395 | if( ddDesc.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_SQUAREONLY )
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| 396 | {
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| 397 | if( ddsd.dwWidth > ddsd.dwHeight )
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| 398 | ddsd.dwHeight = ddsd.dwWidth;
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| 399 | else
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| 400 | ddsd.dwWidth = ddsd.dwHeight;
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| 401 | }
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| 402 |
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| 403 | /* Register the possibly modified dimensions. */
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| 404 | mWidth = ddsd.dwWidth;
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| 405 | mHeight = ddsd.dwHeight;
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| 406 | mIsLoaded = true;
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| 407 |
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| 408 | LPDIRECTDRAWSURFACE7 pddsRender;
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| 409 | LPDIRECTDRAW7 pDD;
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| 410 |
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| 411 | /* Get a DirectDraw interface. */
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| 412 | mD3DDevice->GetRenderTarget( &pddsRender );
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| 413 | pddsRender->GetDDInterface( (VOID**)&pDD );
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| 414 | pddsRender->Release();
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| 415 |
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| 416 | if( mUsage & TU_RENDERTARGET )
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| 417 | {
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| 418 | /* Get the pixel format of the primary surface - we need it because
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| 419 | render target surfaces need to have the same pixel format. */
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| 420 | IDirectDrawSurface7 * pddsPrimarySurface;
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| 421 | pDD->GetGDISurface( &pddsPrimarySurface );
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| 422 | pddsPrimarySurface->GetPixelFormat( &( ddsd.ddpfPixelFormat ) );
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| 423 | pddsPrimarySurface->Release();
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| 424 | }
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| 425 |
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| 426 | HRESULT hr;
|
---|
| 427 |
|
---|
| 428 | /* Now create the surface. */
|
---|
| 429 | if( FAILED( hr = pDD->CreateSurface( &ddsd, &mSurface, NULL ) ) )
|
---|
| 430 | {
|
---|
| 431 | pDD->Release();
|
---|
| 432 | OGRE_EXCEPT( hr,
|
---|
| 433 | "Could not create DirectDraw surface.",
|
---|
| 434 | "D3DTexture::createSurfaces" );
|
---|
| 435 | }
|
---|
| 436 |
|
---|
| 437 | if( mUsage & TU_RENDERTARGET )
|
---|
| 438 | {
|
---|
| 439 | LPDIRECTDRAWSURFACE7 pddsZBuffer, pddsBackBuffer, pddsTexZBuffer;
|
---|
| 440 |
|
---|
| 441 | DDSCAPS2 ZBuffDDSCaps;
|
---|
| 442 | DDSURFACEDESC2 ZBuffDDSD;
|
---|
| 443 |
|
---|
| 444 | ZBuffDDSCaps.dwCaps = DDSCAPS_ZBUFFER;
|
---|
| 445 | ZBuffDDSCaps.dwCaps2 = ZBuffDDSCaps.dwCaps3 = ZBuffDDSCaps.dwCaps4 = 0;
|
---|
| 446 |
|
---|
| 447 | memset( &ZBuffDDSD, 0, sizeof( DDSURFACEDESC2 ) );
|
---|
| 448 | ZBuffDDSD.dwSize = sizeof( DDSURFACEDESC2 );
|
---|
| 449 |
|
---|
| 450 | /* If the primary surface has an attached z-buffer, we need one for our texture
|
---|
| 451 | too. Here, we get the primary surface's z-buffer format and we create a new
|
---|
| 452 | Z-buffer that we attach to the our texture. */
|
---|
| 453 | if( SUCCEEDED( mD3DDevice->GetRenderTarget( &pddsBackBuffer ) ) )
|
---|
| 454 | {
|
---|
| 455 | if( SUCCEEDED( pddsBackBuffer->GetAttachedSurface( &ZBuffDDSCaps, &pddsZBuffer ) ) )
|
---|
| 456 | {
|
---|
| 457 | pddsZBuffer->GetSurfaceDesc( &ZBuffDDSD );
|
---|
| 458 |
|
---|
| 459 | /* Our new Z-buffer should have the size of the new render target. */
|
---|
| 460 | ZBuffDDSD.dwWidth = ddsd.dwWidth;
|
---|
| 461 | ZBuffDDSD.dwHeight = ddsd.dwHeight;
|
---|
| 462 |
|
---|
| 463 | hr = pDD->CreateSurface( &ZBuffDDSD, &pddsTexZBuffer, NULL );
|
---|
| 464 | hr = mSurface->AddAttachedSurface( pddsTexZBuffer );
|
---|
| 465 |
|
---|
| 466 | pddsBackBuffer->Release();
|
---|
| 467 | pddsZBuffer->Release();
|
---|
| 468 | pddsTexZBuffer->Release();
|
---|
| 469 | }
|
---|
| 470 | }
|
---|
| 471 | }
|
---|
| 472 |
|
---|
| 473 | /* Release the DirectDraw interface used in the surface creation */
|
---|
| 474 | pDD->Release();
|
---|
| 475 | }
|
---|
| 476 | //---------------------------------------------------------------------------------------------
|
---|
| 477 | void D3DTexture::createSurface3D(void)
|
---|
| 478 | {
|
---|
| 479 | D3DDEVICEDESC7 ddDesc;
|
---|
| 480 | ZeroMemory( &ddDesc, sizeof(D3DDEVICEDESC7) );
|
---|
| 481 |
|
---|
| 482 | if( FAILED( mD3DDevice->GetCaps( &ddDesc ) ) )
|
---|
| 483 | OGRE_EXCEPT( Exception::ERR_RENDERINGAPI_ERROR,
|
---|
| 484 | "Could not retrieve Direct3D Device caps.",
|
---|
| 485 | "D3DTexture::createSurfaces" );
|
---|
| 486 |
|
---|
| 487 | // Create a surface descriptor.
|
---|
| 488 | DDSURFACEDESC2 ddsd;
|
---|
| 489 | D3DUtil_InitSurfaceDesc( ddsd );
|
---|
| 490 |
|
---|
| 491 | ddsd.dwSize = sizeof(DDSURFACEDESC2);
|
---|
| 492 | ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT;
|
---|
| 493 | ddsd.ddsCaps.dwCaps = DDSCAPS_COMPLEX | DDSCAPS_TEXTURE;
|
---|
| 494 | ddsd.ddsCaps.dwCaps2 = DDSCAPS2_CUBEMAP|DDSCAPS2_CUBEMAP_ALLFACES;
|
---|
| 495 | ddsd.dwWidth = mSrcWidth;
|
---|
| 496 | ddsd.dwHeight = mSrcHeight;
|
---|
| 497 |
|
---|
| 498 | /* If the texture is a render target, set the corresponding flags */
|
---|
| 499 | if( mUsage & TU_RENDERTARGET )
|
---|
| 500 | {
|
---|
| 501 | ddsd.ddsCaps.dwCaps |= DDSCAPS_3DDEVICE | DDSCAPS_LOCALVIDMEM | DDSCAPS_VIDEOMEMORY;
|
---|
| 502 | mNumRequestedMipmaps = 0;
|
---|
| 503 | }
|
---|
| 504 | else
|
---|
| 505 | {
|
---|
| 506 | ddsd.ddsCaps.dwCaps2 |= DDSCAPS2_D3DTEXTUREMANAGE;
|
---|
| 507 | }
|
---|
| 508 |
|
---|
| 509 | /* If we want to have mip-maps, set the flags. Note that if the
|
---|
| 510 | texture is the render target type mip-maps are automatically
|
---|
| 511 | disabled. */
|
---|
| 512 | if( mNumRequestedMipmaps )
|
---|
| 513 | {
|
---|
| 514 | ddsd.dwFlags |= DDSD_MIPMAPCOUNT;
|
---|
| 515 | ddsd.dwMipMapCount = mNumRequestedMipmaps;
|
---|
| 516 |
|
---|
| 517 | ddsd.ddsCaps.dwCaps |= DDSCAPS_MIPMAP;
|
---|
| 518 | }
|
---|
| 519 |
|
---|
| 520 | _chooseD3DFormat(ddsd.ddpfPixelFormat);
|
---|
| 521 |
|
---|
| 522 | /* Change texture size so that it is a power of 2, if needed. */
|
---|
| 523 | if( ddDesc.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_POW2 )
|
---|
| 524 | {
|
---|
| 525 | for( ddsd.dwWidth = 1; mSrcWidth > ddsd.dwWidth; ddsd.dwWidth <<= 1 );
|
---|
| 526 | for( ddsd.dwHeight = 1; mSrcHeight > ddsd.dwHeight; ddsd.dwHeight <<= 1 );
|
---|
| 527 | }
|
---|
| 528 |
|
---|
| 529 | /* Change texture size so that it is square, if needed. Note that we made it a
|
---|
| 530 | power of 2 in the above test, so here we just have to find the bigger dimension
|
---|
| 531 | and make it the side length. */
|
---|
| 532 | if( ddDesc.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_SQUAREONLY )
|
---|
| 533 | {
|
---|
| 534 | if( ddsd.dwWidth > ddsd.dwHeight )
|
---|
| 535 | ddsd.dwHeight = ddsd.dwWidth;
|
---|
| 536 | else
|
---|
| 537 | ddsd.dwWidth = ddsd.dwHeight;
|
---|
| 538 | }
|
---|
| 539 |
|
---|
| 540 | /* Register the possibly modified dimensions. */
|
---|
| 541 | mWidth = ddsd.dwWidth;
|
---|
| 542 | mHeight = ddsd.dwHeight;
|
---|
| 543 | mIsLoaded = true;
|
---|
| 544 |
|
---|
| 545 |
|
---|
| 546 | LPDIRECTDRAWSURFACE7 pddsRender;
|
---|
| 547 | LPDIRECTDRAW7 pDD;
|
---|
| 548 |
|
---|
| 549 | /* Get a DirectDraw interface. */
|
---|
| 550 | mD3DDevice->GetRenderTarget( &pddsRender );
|
---|
| 551 | pddsRender->GetDDInterface( (VOID**)&pDD );
|
---|
| 552 | pddsRender->Release();
|
---|
| 553 |
|
---|
| 554 | if( mUsage & TU_RENDERTARGET )
|
---|
| 555 | {
|
---|
| 556 | /* Get the pixel format of the primary surface - we need it because
|
---|
| 557 | render target surfaces need to have the same pixel format. */
|
---|
| 558 | IDirectDrawSurface7 * pddsPrimarySurface;
|
---|
| 559 | pDD->GetGDISurface( &pddsPrimarySurface );
|
---|
| 560 | pddsPrimarySurface->GetPixelFormat( &( ddsd.ddpfPixelFormat ) );
|
---|
| 561 | pddsPrimarySurface->Release();
|
---|
| 562 | }
|
---|
| 563 |
|
---|
| 564 | HRESULT hr;
|
---|
| 565 |
|
---|
| 566 | /* Now create the surface. */
|
---|
| 567 | if( FAILED( hr = pDD->CreateSurface( &ddsd, &mSurface, NULL ) ) )
|
---|
| 568 | {
|
---|
| 569 | pDD->Release();
|
---|
| 570 | OGRE_EXCEPT( hr,
|
---|
| 571 | "Could not create DirectDraw surface.",
|
---|
| 572 | "D3DTexture::createSurfaces" );
|
---|
| 573 | }
|
---|
| 574 |
|
---|
| 575 |
|
---|
| 576 | if( mUsage & TU_RENDERTARGET )
|
---|
| 577 | {
|
---|
| 578 | LPDIRECTDRAWSURFACE7 pddsZBuffer, pddsBackBuffer, pddsTexZBuffer;
|
---|
| 579 |
|
---|
| 580 | DDSCAPS2 ZBuffDDSCaps;
|
---|
| 581 | DDSURFACEDESC2 ZBuffDDSD;
|
---|
| 582 |
|
---|
| 583 | ZBuffDDSCaps.dwCaps = DDSCAPS_ZBUFFER;
|
---|
| 584 | ZBuffDDSCaps.dwCaps2 = ZBuffDDSCaps.dwCaps3 = ZBuffDDSCaps.dwCaps4 = 0;
|
---|
| 585 |
|
---|
| 586 | memset( &ZBuffDDSD, 0, sizeof( DDSURFACEDESC2 ) );
|
---|
| 587 | ZBuffDDSD.dwSize = sizeof( DDSURFACEDESC2 );
|
---|
| 588 |
|
---|
| 589 | /* If the primary surface has an attached z-buffer, we need one for our texture
|
---|
| 590 | too. Here, we get the primary surface's z-buffer format and we create a new
|
---|
| 591 | Z-buffer that we attach to the our texture. */
|
---|
| 592 | if( SUCCEEDED( mD3DDevice->GetRenderTarget( &pddsBackBuffer ) ) )
|
---|
| 593 | {
|
---|
| 594 | if( SUCCEEDED( pddsBackBuffer->GetAttachedSurface( &ZBuffDDSCaps, &pddsZBuffer ) ) )
|
---|
| 595 | {
|
---|
| 596 | pddsZBuffer->GetSurfaceDesc( &ZBuffDDSD );
|
---|
| 597 |
|
---|
| 598 | /* Our new Z-buffer should have the size of the new render target. */
|
---|
| 599 | ZBuffDDSD.dwWidth = ddsd.dwWidth;
|
---|
| 600 | ZBuffDDSD.dwHeight = ddsd.dwHeight;
|
---|
| 601 |
|
---|
| 602 | hr = pDD->CreateSurface( &ZBuffDDSD, &pddsTexZBuffer, NULL );
|
---|
| 603 | hr = mSurface->AddAttachedSurface( pddsTexZBuffer );
|
---|
| 604 |
|
---|
| 605 | pddsBackBuffer->Release();
|
---|
| 606 | pddsZBuffer->Release();
|
---|
| 607 | pddsTexZBuffer->Release();
|
---|
| 608 | }
|
---|
| 609 | }
|
---|
| 610 | }
|
---|
| 611 |
|
---|
| 612 | /* Release the DirectDraw interface used in the surface creation */
|
---|
| 613 | pDD->Release();
|
---|
| 614 | }
|
---|
| 615 | //---------------------------------------------------------------------------------------------
|
---|
| 616 | LPDIRECTDRAWSURFACE7 D3DTexture::getDDSurface(void)
|
---|
| 617 | {
|
---|
| 618 | return mSurface;
|
---|
| 619 | }
|
---|
| 620 | void D3DTexture::_constructCubeFaceNames(const String name)
|
---|
| 621 | {
|
---|
| 622 | // the suffixes
|
---|
| 623 | String suffixes[6] = {"_rt", "_lf", "_up", "_dn", "_fr", "_bk"};
|
---|
| 624 | size_t pos = -1;
|
---|
| 625 |
|
---|
| 626 | String ext; // the extension
|
---|
| 627 | String baseName; // the base name
|
---|
| 628 | String fakeName = name; // the 'fake' name, temp. holder
|
---|
| 629 |
|
---|
| 630 | // first find the base name
|
---|
| 631 | pos = fakeName.find_last_of(".");
|
---|
| 632 | if (pos == -1)
|
---|
| 633 | {
|
---|
| 634 | OGRE_EXCEPT( Exception::ERR_INTERNAL_ERROR, "Invalid cube texture base name", "D3D9Texture::_constructCubeFaceNames" );
|
---|
| 635 | }
|
---|
| 636 |
|
---|
| 637 | baseName = fakeName.substr(0, pos);
|
---|
| 638 | ext = fakeName.substr(pos);
|
---|
| 639 |
|
---|
| 640 | // construct the full 6 faces file names from the baseName, suffixes and extension
|
---|
| 641 | for (size_t i = 0; i < 6; ++i)
|
---|
| 642 | mCubeFaceNames[i] = baseName + suffixes[i] + ext;
|
---|
| 643 | }
|
---|
| 644 | //---------------------------------------------------------------------------------------------
|
---|
| 645 | HardwarePixelBufferSharedPtr D3DTexture::getBuffer(size_t face, size_t mipmap)
|
---|
| 646 | {
|
---|
| 647 | if(face >= getNumFaces())
|
---|
| 648 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "A three dimensional cube has six faces",
|
---|
| 649 | "D3D9Texture::getBuffer");
|
---|
| 650 | if(mipmap > getNumMipmaps())
|
---|
| 651 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Mipmap index out of range",
|
---|
| 652 | "D3D9Texture::getBuffer");
|
---|
| 653 | int idx = face*(mNumMipmaps+1) + mipmap;
|
---|
| 654 | assert(idx < mSurfaceList.size());
|
---|
| 655 | return mSurfaceList[idx];
|
---|
| 656 | }
|
---|
| 657 |
|
---|
| 658 | //---------------------------------------------------------------------------------------------
|
---|
| 659 | // Macro to hide ugly cast
|
---|
| 660 | #define GETLEVEL(face,mip) \
|
---|
| 661 | static_cast<D3D7HardwarePixelBuffer*>(mSurfaceList[face*(mNumMipmaps+1)+mip].get())
|
---|
| 662 | void D3DTexture::_createSurfaceList()
|
---|
| 663 | {
|
---|
| 664 | HRESULT hr;
|
---|
| 665 | size_t face;
|
---|
| 666 | mSurfaceList.clear();
|
---|
| 667 |
|
---|
| 668 | // Get real number of mipmaps
|
---|
| 669 | DDSURFACEDESC2 desc;
|
---|
| 670 | desc.dwSize = sizeof(DDSURFACEDESC2);
|
---|
| 671 | if(mSurface->GetSurfaceDesc(&desc) != D3D_OK)
|
---|
| 672 | OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, "Could not get surface information",
|
---|
| 673 | "D3DTexture::_createSurfaceList()");
|
---|
| 674 | if(desc.dwFlags & DDSD_MIPMAPCOUNT)
|
---|
| 675 | mNumMipmaps = desc.dwMipMapCount;
|
---|
| 676 | else
|
---|
| 677 | mNumMipmaps = 0;
|
---|
| 678 |
|
---|
| 679 | // Create the list
|
---|
| 680 | HardwareBuffer::Usage bufusage;
|
---|
| 681 | if ((mUsage & TU_DYNAMIC))
|
---|
| 682 | {
|
---|
| 683 | bufusage = HardwareBuffer::HBU_DYNAMIC;
|
---|
| 684 | }
|
---|
| 685 | else
|
---|
| 686 | {
|
---|
| 687 | bufusage = HardwareBuffer::HBU_STATIC;
|
---|
| 688 | }
|
---|
| 689 | for(face=0; face < getNumFaces(); ++face)
|
---|
| 690 | {
|
---|
| 691 | for(size_t mip=0; mip<=mNumMipmaps; ++mip)
|
---|
| 692 | {
|
---|
| 693 | mSurfaceList.push_back(
|
---|
| 694 | HardwarePixelBufferSharedPtr(
|
---|
| 695 | new D3D7HardwarePixelBuffer(bufusage, mD3DDevice)
|
---|
| 696 | )
|
---|
| 697 | );
|
---|
| 698 | }
|
---|
| 699 | }
|
---|
| 700 |
|
---|
| 701 | // Enumerate all surfaces
|
---|
| 702 | for (face = 0; face < getNumFaces(); ++face)
|
---|
| 703 | {
|
---|
| 704 | LPDIRECTDRAWSURFACE7 pCubeFace;
|
---|
| 705 | if(mTextureType == TEX_TYPE_CUBE_MAP)
|
---|
| 706 | {
|
---|
| 707 | // Get cube map face to blit to
|
---|
| 708 | DDSCAPS2 cubeCaps;
|
---|
| 709 | ZeroMemory(&cubeCaps, sizeof(DDSCAPS2));
|
---|
| 710 | switch (face)
|
---|
| 711 | {
|
---|
| 712 | case 0:
|
---|
| 713 | // left
|
---|
| 714 | cubeCaps.dwCaps2 = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEX;
|
---|
| 715 | break;
|
---|
| 716 | case 1:
|
---|
| 717 | // right
|
---|
| 718 | cubeCaps.dwCaps2 = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEX;
|
---|
| 719 | break;
|
---|
| 720 | case 2:
|
---|
| 721 | // up
|
---|
| 722 | cubeCaps.dwCaps2 = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEY;
|
---|
| 723 | break;
|
---|
| 724 | case 3:
|
---|
| 725 | // down
|
---|
| 726 | cubeCaps.dwCaps2 = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEY;
|
---|
| 727 | break;
|
---|
| 728 | case 4:
|
---|
| 729 | // front - NB DirectX is backwards
|
---|
| 730 | cubeCaps.dwCaps2 = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEZ;
|
---|
| 731 | break;
|
---|
| 732 | case 5:
|
---|
| 733 | // back - NB DirectX is backwards
|
---|
| 734 | cubeCaps.dwCaps2 = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEZ;
|
---|
| 735 | break;
|
---|
| 736 | }
|
---|
| 737 |
|
---|
| 738 | if (FAILED(hr = mSurface->GetAttachedSurface( &cubeCaps, &pCubeFace)))
|
---|
| 739 | {
|
---|
| 740 | OGRE_EXCEPT( hr, "Error getting cube face surface.", "D3DTexture::_createSurfaceList" );
|
---|
| 741 | }
|
---|
| 742 | }
|
---|
| 743 | else
|
---|
| 744 | {
|
---|
| 745 | pCubeFace = mSurface;
|
---|
| 746 | pCubeFace->AddRef();
|
---|
| 747 | }
|
---|
| 748 |
|
---|
| 749 | GETLEVEL(face, 0)->bind(pCubeFace, mFormat);
|
---|
| 750 |
|
---|
| 751 | LPDIRECTDRAWSURFACE7 ddsMipLevel, ddsNextLevel;
|
---|
| 752 | DDSCAPS2 ddsCaps;
|
---|
| 753 | HRESULT mipRes = DD_OK;
|
---|
| 754 | size_t mipLevel = 1;
|
---|
| 755 |
|
---|
| 756 | ZeroMemory(&ddsCaps, sizeof(DDSCAPS2));
|
---|
| 757 | ddsCaps.dwCaps = DDSCAPS_TEXTURE | DDSCAPS_MIPMAP;
|
---|
| 758 |
|
---|
| 759 | // Get the base level and increae the reference count.
|
---|
| 760 | ddsMipLevel = pCubeFace;
|
---|
| 761 | ddsMipLevel->AddRef();
|
---|
| 762 |
|
---|
| 763 | /// While we can get a next level in the mip-map chain.
|
---|
| 764 | while( ddsMipLevel->GetAttachedSurface( &ddsCaps, &ddsNextLevel ) == DD_OK )
|
---|
| 765 | {
|
---|
| 766 | GETLEVEL(face, mipLevel)->bind(ddsNextLevel, mFormat);
|
---|
| 767 | // Release the current level and get the next one, incrementing the mip depth.
|
---|
| 768 | ddsMipLevel->Release();
|
---|
| 769 | ddsMipLevel = ddsNextLevel;
|
---|
| 770 | mipLevel++;
|
---|
| 771 | }
|
---|
| 772 |
|
---|
| 773 | // Release the last mip-map level surface.
|
---|
| 774 | ddsMipLevel->Release();
|
---|
| 775 | // Release face reference
|
---|
| 776 | pCubeFace->Release();
|
---|
| 777 | }
|
---|
| 778 |
|
---|
| 779 | // Set autogeneration of mipmaps for each face of the texture, if it is enabled
|
---|
| 780 | if(mNumMipmaps>0 && (mUsage & TU_AUTOMIPMAP))
|
---|
| 781 | {
|
---|
| 782 | for(size_t face=0; face<getNumFaces(); ++face)
|
---|
| 783 | {
|
---|
| 784 | GETLEVEL(face, 0)->_setMipmapping(true);
|
---|
| 785 | }
|
---|
| 786 | }
|
---|
| 787 | }
|
---|
| 788 | #undef GETLEVEL
|
---|
| 789 | }
|
---|