mirror of
https://github.com/ptitSeb/Serious-Engine
synced 2024-11-29 21:25:54 +01:00
272 lines
9.2 KiB
C++
272 lines
9.2 KiB
C++
/* Copyright (c) 2002-2012 Croteam Ltd. All rights reserved. */
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#include "Engine/StdH.h"
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#ifdef SE1_D3D
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#include <d3dx8tex.h>
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#pragma comment(lib, "d3dx8.lib")
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#include <Engine/Graphics/GfxLibrary.h>
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#include <Engine/Base/Statistics_internal.h>
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#include <Engine/Math/Functions.h>
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#include <Engine/Graphics/GfxProfile.h>
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#include <Engine/Base/ListIterator.inl>
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// asm shortcuts
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#define O offset
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#define Q qword ptr
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#define D dword ptr
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#define W word ptr
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#define B byte ptr
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// we need array for Direct3D mipmaps that are lower than N*1 or 1*N
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static ULONG _aulLastMipmaps[(INDEX)(1024*1.334)];
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static CTexParams *_tpCurrent;
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static _D3DTEXTUREFILTERTYPE _eLastMipFilter;
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extern INDEX GFX_iActiveTexUnit;
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// conversion from OpenGL's RGBA color format to one of D3D color formats
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extern void SetInternalFormat_D3D( D3DFORMAT d3dFormat);
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extern void UploadMipmap_D3D( ULONG *pulSrc, LPDIRECT3DTEXTURE8 ptexDst, PIX pixWidth, PIX pixHeight, INDEX iMip);
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// unpacks texture filtering from one INDEX to two GLenums (and eventually re-adjust input INDEX)
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extern void UnpackFilter_D3D( INDEX iFilter, _D3DTEXTUREFILTERTYPE &eMagFilter,
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_D3DTEXTUREFILTERTYPE &eMinFilter, _D3DTEXTUREFILTERTYPE &eMipFilter)
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{
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switch( iFilter) {
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case 110: case 10: eMagFilter=D3DTEXF_POINT; eMinFilter=D3DTEXF_POINT; eMipFilter=D3DTEXF_NONE; break;
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case 111: case 11: eMagFilter=D3DTEXF_POINT; eMinFilter=D3DTEXF_POINT; eMipFilter=D3DTEXF_POINT; break;
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case 112: case 12: eMagFilter=D3DTEXF_POINT; eMinFilter=D3DTEXF_POINT; eMipFilter=D3DTEXF_LINEAR; break;
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case 220: case 20: eMagFilter=D3DTEXF_LINEAR; eMinFilter=D3DTEXF_LINEAR; eMipFilter=D3DTEXF_NONE; break;
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case 221: case 21: eMagFilter=D3DTEXF_LINEAR; eMinFilter=D3DTEXF_LINEAR; eMipFilter=D3DTEXF_POINT; break;
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case 222: case 22: eMagFilter=D3DTEXF_LINEAR; eMinFilter=D3DTEXF_LINEAR; eMipFilter=D3DTEXF_LINEAR; break;
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case 120: eMagFilter=D3DTEXF_POINT; eMinFilter=D3DTEXF_LINEAR; eMipFilter=D3DTEXF_NONE; break;
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case 121: eMagFilter=D3DTEXF_POINT; eMinFilter=D3DTEXF_LINEAR; eMipFilter=D3DTEXF_POINT; break;
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case 122: eMagFilter=D3DTEXF_POINT; eMinFilter=D3DTEXF_LINEAR; eMipFilter=D3DTEXF_LINEAR; break;
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case 210: eMagFilter=D3DTEXF_LINEAR; eMinFilter=D3DTEXF_POINT; eMipFilter=D3DTEXF_NONE; break;
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case 211: eMagFilter=D3DTEXF_LINEAR; eMinFilter=D3DTEXF_POINT; eMipFilter=D3DTEXF_POINT; break;
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case 212: eMagFilter=D3DTEXF_LINEAR; eMinFilter=D3DTEXF_POINT; eMipFilter=D3DTEXF_LINEAR; break;
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default: ASSERTALWAYS( "Illegal Direct3D texture filtering mode."); break;
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}
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}
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// change texture filtering mode if needed
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extern void MimicTexParams_D3D( CTexParams &tpLocal)
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{
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ASSERT( &tpLocal!=NULL);
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_pfGfxProfile.StartTimer( CGfxProfile::PTI_TEXTUREPARAMS);
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// update texture filtering mode if required
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if( tpLocal.tp_iFilter != _tpGlobal[0].tp_iFilter) tpLocal.tp_iFilter = _tpGlobal[0].tp_iFilter;
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// eventually adjust filtering for textures w/o mipmaps
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const INDEX iMipFilter = _tpGlobal[0].tp_iFilter % 10;
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if( (!tpLocal.tp_bSingleMipmap != !_tpGlobal[GFX_iActiveTexUnit].tp_bSingleMipmap) && iMipFilter!=0)
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{
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HRESULT hr;
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_D3DTEXTUREFILTERTYPE eMipFilter;
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extern INDEX GFX_iActiveTexUnit;
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// no mipmaps?
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if( tpLocal.tp_bSingleMipmap) {
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#ifndef NDEBUG
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// paranoid!
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hr = _pGfx->gl_pd3dDevice->GetTextureStageState( GFX_iActiveTexUnit, D3DTSS_MIPFILTER, (ULONG*)&eMipFilter);
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D3D_CHECKERROR(hr);
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ASSERT( eMipFilter==D3DTEXF_POINT || eMipFilter==D3DTEXF_LINEAR);
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#endif // set it
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hr = _pGfx->gl_pd3dDevice->SetTextureStageState( GFX_iActiveTexUnit, D3DTSS_MIPFILTER, D3DTEXF_NONE);
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}
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// yes mipmaps?
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else {
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switch( iMipFilter) {
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case 0: eMipFilter = D3DTEXF_NONE; break;
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case 1: eMipFilter = D3DTEXF_POINT; break;
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case 2: eMipFilter = D3DTEXF_LINEAR; break;
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default: ASSERTALWAYS( "Invalid mipmap filtering mode.");
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} // set it
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hr = _pGfx->gl_pd3dDevice->SetTextureStageState( GFX_iActiveTexUnit, D3DTSS_MIPFILTER, eMipFilter);
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}
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// check and update mipmap state
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D3D_CHECKERROR(hr);
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_tpGlobal[GFX_iActiveTexUnit].tp_bSingleMipmap = tpLocal.tp_bSingleMipmap;
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}
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// update texture anisotropy degree
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if( tpLocal.tp_iAnisotropy != _tpGlobal[0].tp_iAnisotropy) tpLocal.tp_iAnisotropy = _tpGlobal[0].tp_iAnisotropy;
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// update texture clamping modes if changed
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if( tpLocal.tp_eWrapU!=_tpGlobal[GFX_iActiveTexUnit].tp_eWrapU || tpLocal.tp_eWrapV!=_tpGlobal[GFX_iActiveTexUnit].tp_eWrapV) {
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tpLocal.tp_eWrapU = _tpGlobal[GFX_iActiveTexUnit].tp_eWrapU;
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tpLocal.tp_eWrapV = _tpGlobal[GFX_iActiveTexUnit].tp_eWrapV;
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}
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// keep last texture params (for tex upload and stuff)
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_tpCurrent = &tpLocal;
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_pfGfxProfile.StopTimer( CGfxProfile::PTI_TEXTUREPARAMS);
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}
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// upload context for current texture to accelerator's memory
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// (returns format in which texture was really uploaded)
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extern void UploadTexture_D3D( LPDIRECT3DTEXTURE8 *ppd3dTexture, ULONG *pulTexture,
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PIX pixSizeU, PIX pixSizeV, D3DFORMAT eInternalFormat, BOOL bDiscard)
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{
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// safeties
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ASSERT( pulTexture!=NULL);
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ASSERT( pixSizeU>0 && pixSizeV>0);
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_sfStats.StartTimer( CStatForm::STI_BINDTEXTURE);
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_pfGfxProfile.StartTimer( CGfxProfile::PTI_TEXTUREUPLOADING);
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// recreate texture if needed
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HRESULT hr;
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if( bDiscard) {
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if( (*ppd3dTexture)!=NULL) D3DRELEASE( (*ppd3dTexture), TRUE);
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hr = _pGfx->gl_pd3dDevice->CreateTexture( pixSizeU, pixSizeV, 0, 0, eInternalFormat, D3DPOOL_MANAGED, ppd3dTexture);
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D3D_CHECKERROR(hr);
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}
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// D3D texture must be valid now
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LPDIRECT3DTEXTURE8 pd3dTex = (*ppd3dTexture);
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ASSERT( pd3dTex!=NULL);
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// prepare routine for conversion
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SetInternalFormat_D3D(eInternalFormat);
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// upload each mipmap
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INDEX iMip=0;
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PIX pixOffset=0;
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while( pixSizeU>0 && pixSizeV>0)
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{
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// check that memory is readable and upload one mipmap
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ASSERT( pulTexture[pixOffset +pixSizeU*pixSizeV -1] != 0xDEADBEEF);
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UploadMipmap_D3D( pulTexture+pixOffset, pd3dTex, pixSizeU, pixSizeV, iMip);
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// advance to next mip-map
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pixOffset += pixSizeU*pixSizeV;
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pixSizeU >>=1;
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pixSizeV >>=1;
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iMip++;
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// end here if there is only one mip-map to upload
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if( _tpCurrent->tp_bSingleMipmap) break;
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}
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// see if we need to generate and upload additional mipmaps (those under 1*N or N*1)
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if( !_tpCurrent->tp_bSingleMipmap && pixSizeU!=pixSizeV)
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{ // prepare variables
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PIX pixSize = Max(pixSizeU,pixSizeV);
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ASSERT( pixSize<=2048);
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ULONG *pulSrc = pulTexture+pixOffset-pixSize*2;
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ULONG *pulDst = _aulLastMipmaps;
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// loop thru mipmaps
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while( pixSizeU>0 || pixSizeV>0)
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{ // make next mipmap
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if( pixSizeU==0) pixSizeU=1;
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if( pixSizeV==0) pixSizeV=1;
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pixSize = pixSizeU*pixSizeV;
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__asm {
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pxor mm0,mm0
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mov esi,D [pulSrc]
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mov edi,D [pulDst]
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mov ecx,D [pixSize]
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pixLoop:
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movd mm1,D [esi+0]
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movd mm2,D [esi+4]
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punpcklbw mm1,mm0
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punpcklbw mm2,mm0
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paddw mm1,mm2
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psrlw mm1,1
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packuswb mm1,mm0
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movd D [edi],mm1
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add esi,4*2
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add edi,4
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dec ecx
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jnz pixLoop
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emms
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}
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// upload mipmap and advance
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UploadMipmap_D3D( pulDst, pd3dTex, pixSizeU, pixSizeV, iMip);
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pulSrc = pulDst;
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pulDst += pixSize;
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pixOffset += pixSize;
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pixSizeU >>=1;
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pixSizeV >>=1;
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iMip++;
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}
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}
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// all done
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_pfGfxProfile.IncrementCounter( CGfxProfile::PCI_TEXTUREUPLOADS, 1);
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_pfGfxProfile.IncrementCounter( CGfxProfile::PCI_TEXTUREUPLOADBYTES, pixOffset*4);
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_sfStats.IncrementCounter( CStatForm::SCI_TEXTUREUPLOADS, 1);
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_sfStats.IncrementCounter( CStatForm::SCI_TEXTUREUPLOADBYTES, pixOffset*4);
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_pfGfxProfile.StopTimer( CGfxProfile::PTI_TEXTUREUPLOADING);
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_sfStats.StopTimer( CStatForm::STI_BINDTEXTURE);
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}
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// returns bytes/pixels ratio for texture format
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extern INDEX GetFormatPixRatio_D3D( D3DFORMAT d3dFormat)
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{
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switch( d3dFormat) {
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case D3DFMT_A8R8G8B8:
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case D3DFMT_X8R8G8B8:
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return 4;
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case D3DFMT_R8G8B8:
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return 3;
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case D3DFMT_R5G6B5:
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case D3DFMT_X1R5G5B5:
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case D3DFMT_A1R5G5B5:
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case D3DFMT_A4R4G4B4:
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case D3DFMT_X4R4G4B4:
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case D3DFMT_A8L8:
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return 2;
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// compressed formats and single-channel formats
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default:
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return 1;
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}
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}
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// returns bytes/pixels ratio for uploaded texture
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extern INDEX GetTexturePixRatio_D3D( LPDIRECT3DTEXTURE8 pd3dTexture)
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{
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D3DSURFACE_DESC d3dSurfDesc;
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HRESULT hr = pd3dTexture->GetLevelDesc( 0, &d3dSurfDesc);
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D3D_CHECKERROR(hr);
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return GetFormatPixRatio_D3D( d3dSurfDesc.Format);
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}
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// return allowed dithering method
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extern INDEX AdjustDitheringType_D3D( D3DFORMAT eFormat, INDEX iDitheringType)
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{
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switch( eFormat) {
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// these formats don't need dithering
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case D3DFMT_A8R8G8B8:
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case D3DFMT_X8R8G8B8:
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case D3DFMT_L8:
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case D3DFMT_A8L8:
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return NONE;
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// these formats need reduced dithering
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case D3DFMT_R5G6B5:
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case D3DFMT_X1R5G5B5:
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case D3DFMT_A1R5G5B5:
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if( iDitheringType>7) return iDitheringType-3;
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// other formats need dithering as it is
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default:
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return iDitheringType;
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}
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}
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#endif // SE1_D3D
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