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fix D3D texture coord generation

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This commit is contained in:
Chris Danford
2005-11-05 03:08:09 +00:00
parent 6199dbacf0
commit 3f6e95b7d8
11 changed files with 118 additions and 97 deletions
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stepmania/src/RageDisplay_D3D.cpp
+90 -75
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@@ -18,6 +18,7 @@
#include "PrefsManager.h"
#include "RageSurface.h"
#include "RageSurfaceUtils.h"
#include "EnumHelper.h"
#if !defined(XBOX)
#include "archutils/Win32/GraphicsWindow.h"
@@ -59,8 +60,9 @@ D3DCAPS8 g_DeviceCaps;
D3DDISPLAYMODE g_DesktopMode;
D3DPRESENT_PARAMETERS g_d3dpp;
int g_ModelMatrixCnt=0;
int g_iCurrentTextureIndex = 0;
TextureUnit g_currentTextureUnit = TextureUnit_1;
static int g_iActualRefreshRateInHz = 60;
static bool g_bSphereMapping[NUM_TextureUnit] = { false, false };
static float g_fZBias = 0;
/* Direct3D doesn't associate a palette with textures.
@@ -783,24 +785,56 @@ void RageDisplay_D3D::SendCurrentMatrices()
RageMatrixMultiply( &m, &m, GetWorldTop() );
g_pd3dDevice->SetTransform( D3DTS_WORLD, (D3DMATRIX*)&m );
/*
* Direct3D is expecting a 3x3 matrix loaded into the 4x4 in order to transform
* the 2-component texture coordinates. We currently only use translate and scale,
* and ignore the z component entirely, so convert the texture matrix from
* 4x4 to 3x3 by dropping z.
*/
const RageMatrix &tex1 = *GetTextureTop();
const RageMatrix tex2 = RageMatrix
(
tex1.m[0][0], tex1.m[0][1], tex1.m[0][3], 0,
tex1.m[1][0], tex1.m[1][1], tex1.m[1][3], 0,
tex1.m[3][0], tex1.m[3][1], tex1.m[3][3], 0,
0, 0, 0, 0
);
g_pd3dDevice->SetTransform( D3DTS_TEXTURE0, (D3DMATRIX*)&tex2 );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_TEXTURETRANSFORMFLAGS, D3DTTFF_COUNT2 );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_TEXCOORDINDEX, D3DTSS_TCI_PASSTHRU );
FOREACH_ENUM2( TextureUnit, tu )
{
// Optimization opportunity: Turn off texture transform if not using texture coords.
g_pd3dDevice->SetTextureStageState( tu, D3DTSS_TEXTURETRANSFORMFLAGS, D3DTTFF_COUNT2 );
// If no texture is set for this texture unit, don't bother setting it up.
IDirect3DBaseTexture8* ppTexture = NULL;
g_pd3dDevice->GetTexture( g_currentTextureUnit, &ppTexture );
if( ppTexture == NULL )
continue;
if( g_bSphereMapping[tu] )
{
static const RageMatrix tex = RageMatrix
(
0.50f, 0.0f, 0.0f, 0.0f,
0.0f, -0.50f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, 0.0f,
0.50, -0.50, 0.0f, 1.0f
);
g_pd3dDevice->SetTransform( (D3DTRANSFORMSTATETYPE)(D3DTS_TEXTURE0+tu), (D3DMATRIX*)&tex );
// Tell D3D to use transformed reflection vectors as texture co-ordinate 0
// and then transform this coordinate by the specified texture matrix.
g_pd3dDevice->SetTextureStageState( tu, D3DTSS_TEXCOORDINDEX, D3DTSS_TCI_CAMERASPACENORMAL );
}
else
{
/*
* Direct3D is expecting a 3x3 matrix loaded into the 4x4 in order to transform
* the 2-component texture coordinates. We currently only use translate and scale,
* and ignore the z component entirely, so convert the texture matrix from
* 4x4 to 3x3 by dropping z.
*/
const RageMatrix &tex1 = *GetTextureTop();
const RageMatrix tex2 = RageMatrix
(
tex1.m[0][0], tex1.m[0][1], tex1.m[0][3], 0,
tex1.m[1][0], tex1.m[1][1], tex1.m[1][3], 0,
tex1.m[3][0], tex1.m[3][1], tex1.m[3][3], 0,
0, 0, 0, 0
);
g_pd3dDevice->SetTransform( D3DTS_TEXTURE0, (D3DMATRIX*)&tex2 );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_TEXCOORDINDEX, D3DTSS_TCI_PASSTHRU );
}
}
}
class RageCompiledGeometrySWD3D : public RageCompiledGeometry
@@ -1030,9 +1064,9 @@ void RageDisplay_D3D::DrawLineStrip( const RageSpriteVertex v[], int iNumVerts,
void RageDisplay_D3D::ClearAllTextures()
{
for( int i=0; i<MAX_TEXTURE_UNITS; i++ )
FOREACH_ENUM2( TextureUnit, i )
SetTexture( i, NULL );
g_iCurrentTextureIndex = 0;
g_currentTextureUnit = TextureUnit_1;
}
int RageDisplay_D3D::GetNumTextureUnits()
@@ -1040,26 +1074,26 @@ int RageDisplay_D3D::GetNumTextureUnits()
return g_DeviceCaps.MaxSimultaneousTextures;
}
void RageDisplay_D3D::SetTexture( int iTextureUnitIndex, RageTexture* pTexture )
void RageDisplay_D3D::SetTexture( TextureUnit tu, RageTexture* pTexture )
{
g_iCurrentTextureIndex = iTextureUnitIndex;
g_currentTextureUnit = tu;
// g_DeviceCaps.MaxSimultaneousTextures = 1;
if( g_iCurrentTextureIndex >= (int) g_DeviceCaps.MaxSimultaneousTextures ) // not supported
if( g_currentTextureUnit >= (int) g_DeviceCaps.MaxSimultaneousTextures ) // not supported
return;
if( pTexture == NULL )
{
g_pd3dDevice->SetTexture( g_iCurrentTextureIndex, NULL );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_COLOROP, D3DTOP_DISABLE );
g_pd3dDevice->SetTexture( g_currentTextureUnit, NULL );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_COLOROP, D3DTOP_DISABLE );
}
else
{
unsigned uTexHandle = pTexture->GetTexHandle();
IDirect3DTexture8* pTex = (IDirect3DTexture8*)uTexHandle;
g_pd3dDevice->SetTexture( g_iCurrentTextureIndex, pTex );
g_pd3dDevice->SetTexture( g_currentTextureUnit, pTex );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_COLOROP, D3DTOP_MODULATE );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_COLOROP, D3DTOP_MODULATE );
// Set palette (if any)
SetPalette(uTexHandle);
@@ -1067,53 +1101,53 @@ void RageDisplay_D3D::SetTexture( int iTextureUnitIndex, RageTexture* pTexture )
}
void RageDisplay_D3D::SetTextureModeModulate()
{
if( g_iCurrentTextureIndex >= (int) g_DeviceCaps.MaxSimultaneousTextures ) // not supported
if( g_currentTextureUnit >= (int) g_DeviceCaps.MaxSimultaneousTextures ) // not supported
return;
// Use D3DTA_CURRENT instead of diffuse so that multitexturing works
// properly. For stage 0, D3DTA_CURRENT is the diffuse color.
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_COLORARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_COLORARG2, D3DTA_CURRENT );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_COLOROP, D3DTOP_MODULATE );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_ALPHAARG2, D3DTA_CURRENT );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_ALPHAOP, D3DTOP_MODULATE );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_COLORARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_COLORARG2, D3DTA_CURRENT );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_COLOROP, D3DTOP_MODULATE );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_ALPHAARG2, D3DTA_CURRENT );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_ALPHAOP, D3DTOP_MODULATE );
}
void RageDisplay_D3D::SetTextureModeGlow()
{
if( g_iCurrentTextureIndex >= (int) g_DeviceCaps.MaxSimultaneousTextures ) // not supported
if( g_currentTextureUnit >= (int) g_DeviceCaps.MaxSimultaneousTextures ) // not supported
return;
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_COLORARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_COLORARG2, D3DTA_CURRENT );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_COLOROP, D3DTOP_SELECTARG2 );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_ALPHAARG2, D3DTA_CURRENT );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_ALPHAOP, D3DTOP_MODULATE );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_COLORARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_COLORARG2, D3DTA_CURRENT );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_COLOROP, D3DTOP_SELECTARG2 );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_ALPHAARG2, D3DTA_CURRENT );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_ALPHAOP, D3DTOP_MODULATE );
}
void RageDisplay_D3D::SetTextureModeAdd()
{
if( g_iCurrentTextureIndex >= (int) g_DeviceCaps.MaxSimultaneousTextures ) // not supported
if( g_currentTextureUnit >= (int) g_DeviceCaps.MaxSimultaneousTextures ) // not supported
return;
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_COLORARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_COLORARG2, D3DTA_CURRENT );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_COLOROP, D3DTOP_ADD );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_ALPHAARG2, D3DTA_CURRENT );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_ALPHAOP, D3DTOP_ADD );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_COLORARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_COLORARG2, D3DTA_CURRENT );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_COLOROP, D3DTOP_ADD );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_ALPHAARG2, D3DTA_CURRENT );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_ALPHAOP, D3DTOP_ADD );
}
void RageDisplay_D3D::SetTextureFiltering( bool b )
{
if( g_iCurrentTextureIndex >= (int) g_DeviceCaps.MaxSimultaneousTextures ) // not supported
if( g_currentTextureUnit >= (int) g_DeviceCaps.MaxSimultaneousTextures ) // not supported
return;
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_MINFILTER, b ? D3DTEXF_LINEAR : D3DTEXF_POINT );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_MAGFILTER, b ? D3DTEXF_LINEAR : D3DTEXF_POINT );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_MINFILTER, b ? D3DTEXF_LINEAR : D3DTEXF_POINT );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_MAGFILTER, b ? D3DTEXF_LINEAR : D3DTEXF_POINT );
}
void RageDisplay_D3D::SetBlendMode( BlendMode mode )
@@ -1185,12 +1219,12 @@ void RageDisplay_D3D::ClearZBuffer()
void RageDisplay_D3D::SetTextureWrapping( bool b )
{
if( g_iCurrentTextureIndex >= (int) g_DeviceCaps.MaxSimultaneousTextures ) // not supported
if( g_currentTextureUnit >= (int) g_DeviceCaps.MaxSimultaneousTextures ) // not supported
return;
int mode = b ? D3DTADDRESS_WRAP : D3DTADDRESS_CLAMP;
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_ADDRESSU, mode );
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_ADDRESSV, mode );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_ADDRESSU, mode );
g_pd3dDevice->SetTextureStageState( g_currentTextureUnit, D3DTSS_ADDRESSV, mode );
}
void RageDisplay_D3D::SetMaterial(
@@ -1431,28 +1465,9 @@ RageMatrix RageDisplay_D3D::GetOrthoMatrix( float l, float r, float b, float t,
void RageDisplay_D3D::SetSphereEnvironmentMapping( bool b )
{
if( g_iCurrentTextureIndex >= (int) g_DeviceCaps.MaxSimultaneousTextures ) // not supported
return;
// http://www.gamasutra.com/features/20000811/wyatt_03.htm
if( b )
{
static const RageMatrix tex = RageMatrix
(
0.40f, 0.0f, 0.0f, 0.0f,
0.0f, -0.40f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, 0.0f,
0.50, -0.50, 0.0f, 1.0f
);
g_pd3dDevice->SetTransform((D3DTRANSFORMSTATETYPE)(D3DTS_TEXTURE0+g_iCurrentTextureIndex), (D3DMATRIX*)&tex);
}
// Tell D3D to use transformed reflection vectors as texture co-ordinate 0
// and then transform this coordinate by the specified texture matrix, also
// tell D3D that only the first two coordinates of the output are valid.
g_pd3dDevice->SetTextureStageState( g_iCurrentTextureIndex, D3DTSS_TEXCOORDINDEX, b ? D3DTSS_TCI_CAMERASPACEREFLECTIONVECTOR : D3DTSS_TCI_PASSTHRU );
g_bSphereMapping[g_currentTextureUnit] = b;
}
/*
* Copyright (c) 2001-2004 Chris Danford, Glenn Maynard
* All rights reserved.