Serious-Engine/Sources/Engine/Graphics/Gfx_Direct3D_Textures.cpp
2016-03-11 15:57:17 +02:00

272 lines
9.2 KiB
C++

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