--- /dev/null
+/*
+Copyright (C) 2002 Rice1964
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include <algorithm>
+
+#include "GeneralCombiner.h"
+#include "Combiner.h"
+#include "Config.h"
+#include "RenderBase.h"
+
+#define ALLOW_USE_TEXTURE_FOR_CONSTANTS
+
+static const uint8 sc_Mux32[32] =
+{
+ MUX_COMBINED, MUX_TEXEL0, MUX_TEXEL1, MUX_PRIM,
+ MUX_SHADE, MUX_ENV, MUX_1, MUX_COMBINED|MUX_ALPHAREPLICATE,
+ MUX_TEXEL0|MUX_ALPHAREPLICATE, MUX_TEXEL1|MUX_ALPHAREPLICATE, MUX_PRIM|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE,
+ MUX_ENV|MUX_ALPHAREPLICATE, MUX_LODFRAC, MUX_PRIMLODFRAC, MUX_K5, // Actually k5
+ MUX_UNK, MUX_UNK, MUX_UNK, MUX_UNK,
+ MUX_UNK, MUX_UNK, MUX_UNK, MUX_UNK,
+ MUX_UNK, MUX_UNK, MUX_UNK, MUX_UNK,
+ MUX_UNK, MUX_UNK, MUX_UNK, MUX_0
+};
+
+static const uint8 sc_Mux16[16] =
+{
+ MUX_COMBINED, MUX_TEXEL0, MUX_TEXEL1, MUX_PRIM,
+ MUX_SHADE, MUX_ENV, MUX_1, MUX_COMBALPHA,
+ MUX_TEXEL0|MUX_ALPHAREPLICATE, MUX_TEXEL1|MUX_ALPHAREPLICATE, MUX_PRIM|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE,
+ MUX_ENV|MUX_ALPHAREPLICATE, MUX_LODFRAC, MUX_PRIMLODFRAC, MUX_0
+};
+static const uint8 sc_Mux8[8] =
+{
+ MUX_COMBINED, MUX_TEXEL0, MUX_TEXEL1, MUX_PRIM,
+ MUX_SHADE, MUX_ENV, MUX_1, MUX_0
+};
+
+
+const char * translatedCombTypes[] =
+{
+ "0",
+ "1",
+ "COMBINED",
+ "TEXEL0",
+ "TEXEL1",
+ "PRIM",
+ "SHADE",
+ "ENV",
+ "COMBALPHA",
+ "T0_ALPHA_wrong",
+ "T1_ALPHA_wrong",
+ "PRIM_ALPHA_wrong",
+ "SHADE_ALPHA_wrong",
+ "ENV_ALPHA_wrong",
+ "LODFRAC",
+ "PRIMLODFRAC",
+ "K5",
+ "UNK",
+ "FACTOR_PRIM_MINUS_ENV",
+ "FACTOR_ENV_MINUS_PRIM",
+ "FACTOR_1_MINUS_PRIM",
+ "FACTOR_0_MINUS_PRIM",
+ "FACTOR_1_MINUS_ENV",
+ "FACTOR_0_MINUS_ENV",
+ "FACTOR_1_MINUS_PRIMALPHA",
+ "FACTOR_1_MINUS_ENVALPHA",
+ "FACTOR_HALF",
+ "PRIM_X_PRIMALPHA",
+ "1_MINUS_PRIM_X_ENV_PLUS_PRIM",
+ "ENV_X_PRIM",
+ "PRIM_X_1_MINUS_ENV",
+ "PRIM_X_PRIM",
+ "ENV_X_ENV",
+};
+
+const char* muxTypeStrs[] = {
+ "CM_FMT_TYPE_NOT_USED",
+ "CM_FMT_TYPE1_D",
+ "CM_FMT_TYPE2_A_ADD_D",
+ "CM_FMT_TYPE3_A_MOD_C",
+ "CM_FMT_TYPE4_A_SUB_B",
+ "CM_FMT_TYPE5_A_MOD_C_ADD_D",
+ "CM_FMT_TYPE6_A_LERP_B_C",
+ "CM_FMT_TYPE7_A_SUB_B_ADD_D",
+ "CM_FMT_TYPE8_A_SUB_B_MOD_C",
+ "CM_FMT_TYPE9_A_B_C_D",
+ "CM_FMT_TYPE_NOT_CHECKED",
+};
+
+void DecodedMux::Decode(uint32 dwMux0, uint32 dwMux1)
+{
+ m_dwMux0 = dwMux0;
+ m_dwMux1 = dwMux1;
+
+ aRGB0 = uint8((dwMux0>>20)&0x0F); // c1 c1 // a0
+ bRGB0 = uint8((dwMux1>>28)&0x0F); // c1 c2 // b0
+ cRGB0 = uint8((dwMux0>>15)&0x1F); // c1 c3 // c0
+ dRGB0 = uint8((dwMux1>>15)&0x07); // c1 c4 // d0
+
+ aA0 = uint8((dwMux0>>12)&0x07); // c1 a1 // Aa0
+ bA0 = uint8((dwMux1>>12)&0x07); // c1 a2 // Ab0
+ cA0 = uint8((dwMux0>>9 )&0x07); // c1 a3 // Ac0
+ dA0 = uint8((dwMux1>>9 )&0x07); // c1 a4 // Ad0
+
+ aRGB1 = uint8((dwMux0>>5 )&0x0F); // c2 c1 // a1
+ bRGB1 = uint8((dwMux1>>24)&0x0F); // c2 c2 // b1
+ cRGB1 = uint8((dwMux0 )&0x1F); // c2 c3 // c1
+ dRGB1 = uint8((dwMux1>>6 )&0x07); // c2 c4 // d1
+
+ aA1 = uint8((dwMux1>>21)&0x07); // c2 a1 // Aa1
+ bA1 = uint8((dwMux1>>3 )&0x07); // c2 a2 // Ab1
+ cA1 = uint8((dwMux1>>18)&0x07); // c2 a3 // Ac1
+ dA1 = uint8((dwMux1 )&0x07); // c2 a4 // Ad1
+
+ //This fuction will translate the decode mux info further, so we can use
+ //the decode data better.
+ //Will translate A,B,C,D to unified presentation
+ aRGB0 = sc_Mux16[aRGB0];
+ bRGB0 = sc_Mux16[bRGB0];
+ cRGB0 = sc_Mux32[cRGB0];
+ dRGB0 = sc_Mux8[dRGB0];
+
+ aA0 = sc_Mux8[aA0];
+ bA0 = sc_Mux8[bA0];
+ cA0 = sc_Mux8[cA0];
+ dA0 = sc_Mux8[dA0];
+
+ aRGB1 = sc_Mux16[aRGB1];
+ bRGB1 = sc_Mux16[bRGB1];
+ cRGB1 = sc_Mux32[cRGB1];
+ dRGB1 = sc_Mux8[dRGB1];
+
+ aA1 = sc_Mux8[aA1];
+ bA1 = sc_Mux8[bA1];
+ cA1 = sc_Mux8[cA1];
+ dA1 = sc_Mux8[dA1];
+
+ m_bShadeIsUsed[1] = isUsedInAlphaChannel(MUX_SHADE);
+ m_bShadeIsUsed[0] = isUsedInColorChannel(MUX_SHADE);
+ m_bTexel0IsUsed = isUsed(MUX_TEXEL0);
+ m_bTexel1IsUsed = isUsed(MUX_TEXEL1);
+
+ m_dwShadeColorChannelFlag = 0;
+ m_dwShadeAlphaChannelFlag = 0;
+ m_ColorTextureFlag[0] = 0;
+ m_ColorTextureFlag[1] = 0;
+}
+
+int DecodedMux::Count(uint8 val, int cycle, uint8 mask)
+{
+ uint8* pmux = m_bytes;
+ int count=0;
+ int start=0;
+ int end=16;
+
+ if( cycle >= 0 )
+ {
+ start = cycle*4;
+ end = start+4;
+ }
+
+
+ for( int i=start; i<end; i++ )
+ {
+ if( (pmux[i]&mask) == (val&mask) )
+ {
+ count++;
+ }
+ }
+
+ return count;
+}
+
+
+bool DecodedMux::isUsed(uint8 val, uint8 mask)
+{
+ uint8* pmux = m_bytes;
+ bool isUsed = false;
+ for( int i=0; i<16; i++ )
+ {
+ if( (pmux[i]&mask) == (val&mask) )
+ {
+ isUsed = true;
+ break;
+ }
+ }
+
+ return isUsed;
+}
+
+bool DecodedMux::isUsedInAlphaChannel(uint8 val, uint8 mask)
+{
+ uint8* pmux = m_bytes;
+ bool isUsed = false;
+ for( int i=0; i<16; i++ )
+ {
+ if( (i/4)%2 == 0 )
+ continue; //Don't test color channel
+
+ if( (pmux[i]&mask) == (val&mask) )
+ {
+ isUsed = true;
+ break;
+ }
+ }
+
+ return isUsed;
+}
+
+bool DecodedMux::isUsedInColorChannel(uint8 val, uint8 mask)
+{
+ uint8* pmux = m_bytes;
+ bool isUsed = false;
+ for( int i=0; i<16; i++ )
+ {
+ if( (i/4)%2 == 0 && (pmux[i]&mask) == (val&mask) )
+ {
+ isUsed = true;
+ break;
+ }
+ }
+
+ return isUsed;
+}
+
+
+bool DecodedMux::isUsedInCycle(uint8 val, int cycle, CombineChannel channel, uint8 mask)
+{
+ cycle *=2;
+ if( channel == ALPHA_CHANNEL ) cycle++;
+
+ uint8* pmux = m_bytes;
+ for( int i=0; i<4; i++ )
+ {
+ if( (pmux[i+cycle*4]&mask) == (val&mask) )
+ {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+bool DecodedMux::isUsedInCycle(uint8 val, int cycle, uint8 mask)
+{
+ return isUsedInCycle(val, cycle/2, cycle%2?ALPHA_CHANNEL:COLOR_CHANNEL, mask);
+}
+
+
+void DecodedMux::ConvertComplements()
+{
+ //For (A-B)*C+D, if A=1, then we can convert A-B to Ac-0
+ if( aRGB0 != MUX_1 && bRGB0 != MUX_0 )
+ {
+ aRGB0 = bRGB0|MUX_COMPLEMENT;
+ bRGB0 = MUX_0;
+ }
+ if( aRGB1 != MUX_1 && bRGB1 != MUX_0 )
+ {
+ aRGB1 = bRGB1|MUX_COMPLEMENT;
+ bRGB1 = MUX_0;
+ }
+ if( aA0 != MUX_1 && bA0 != MUX_0 )
+ {
+ aA0 = bA0|MUX_COMPLEMENT;
+ bA0 = MUX_0;
+ }
+ if( aA1 != MUX_1 && bA1 != MUX_0 )
+ {
+ aA1 = bA1|MUX_COMPLEMENT;
+ bA1 = MUX_0;
+ }
+}
+
+
+CombinerFormatType DecodedMux::GetCombinerFormatType(uint32 cycle)
+{
+ //Analyze the formula
+ /*
+ C=0 = D
+ A==B = D
+ B=0, C=1, D=0 = A
+ A=1, B=0, D=0 = C
+ C=1, B==D = A
+ A=1, C=1, D=0 = 1-B
+ D = 1 = 1
+ */
+ return CM_FMT_TYPE_D;
+}
+
+void DecodedMuxForPixelShader::Simplify(void)
+{
+ CheckCombineInCycle1();
+ //Reformat();
+
+ if( g_curRomInfo.bTexture1Hack )
+ {
+ ReplaceVal(MUX_TEXEL1,MUX_TEXEL0,2);
+ ReplaceVal(MUX_TEXEL1,MUX_TEXEL0,3);
+ }
+ splitType[0] = CM_FMT_TYPE_NOT_USED;
+ splitType[1] = CM_FMT_TYPE_NOT_USED;
+ splitType[2] = CM_FMT_TYPE_NOT_USED;
+ splitType[3] = CM_FMT_TYPE_NOT_USED;
+ mType = CM_FMT_TYPE_NOT_USED;
+
+ m_bTexel0IsUsed = isUsed(MUX_TEXEL0);
+ m_bTexel1IsUsed = isUsed(MUX_TEXEL1);
+}
+
+void DecodedMuxForSemiPixelShader::Reset(void)
+{
+ Decode(m_dwMux0, m_dwMux1);
+ splitType[0] = CM_FMT_TYPE_NOT_CHECKED;
+ splitType[1] = CM_FMT_TYPE_NOT_CHECKED;
+ splitType[2] = CM_FMT_TYPE_NOT_CHECKED;
+ splitType[3] = CM_FMT_TYPE_NOT_CHECKED;
+
+ Hack();
+
+ gRSP.bProcessDiffuseColor = false;
+ gRSP.bProcessSpecularColor = false;
+
+ CheckCombineInCycle1();
+ if( g_curRomInfo.bTexture1Hack )
+ {
+ ReplaceVal(MUX_TEXEL1,MUX_TEXEL0,2);
+ ReplaceVal(MUX_TEXEL1,MUX_TEXEL0,3);
+ }
+
+ m_bTexel0IsUsed = isUsed(MUX_TEXEL0);
+ m_bTexel1IsUsed = isUsed(MUX_TEXEL1);
+}
+
+void DecodedMuxForOGL14V2::Simplify(void)
+{
+ CheckCombineInCycle1();
+ if( g_curRomInfo.bTexture1Hack )
+ {
+ ReplaceVal(MUX_TEXEL1,MUX_TEXEL0,2);
+ ReplaceVal(MUX_TEXEL1,MUX_TEXEL0,3);
+ }
+ Reformat();
+
+ UseTextureForConstant();
+ Reformat();
+
+ m_bTexel0IsUsed = isUsed(MUX_TEXEL0);
+ m_bTexel1IsUsed = isUsed(MUX_TEXEL1);
+}
+
+void DecodedMux::Simplify(void)
+{
+ CheckCombineInCycle1();
+ if( gRDP.otherMode.text_lod )
+ ConvertLODFracTo0();
+ if( g_curRomInfo.bTexture1Hack )
+ {
+ ReplaceVal(MUX_TEXEL1,MUX_TEXEL0,2);
+ ReplaceVal(MUX_TEXEL1,MUX_TEXEL0,3);
+ }
+ Reformat();
+
+ UseShadeForConstant();
+ Reformat();
+
+ if( m_dwShadeColorChannelFlag == MUX_0 )
+ {
+ MergeShadeWithConstants();
+ Reformat();
+ }
+
+#ifdef ALLOW_USE_TEXTURE_FOR_CONSTANTS
+ UseTextureForConstant();
+ for( int i=0; i<2; i++ )
+ {
+ if( m_ColorTextureFlag[i] != 0 )
+ {
+ if( m_dwShadeColorChannelFlag == m_ColorTextureFlag[i] )
+ {
+ ReplaceVal(MUX_SHADE,MUX_TEXEL0+i,N64Cycle0RGB);
+ ReplaceVal(MUX_SHADE,MUX_TEXEL0+i,N64Cycle1RGB);
+ m_dwShadeColorChannelFlag = 0;
+ }
+ if( m_dwShadeAlphaChannelFlag == m_ColorTextureFlag[i] )
+ {
+ ReplaceVal(MUX_SHADE,MUX_TEXEL0+i,N64Cycle0Alpha);
+ ReplaceVal(MUX_SHADE,MUX_TEXEL0+i,N64Cycle1Alpha);
+ ReplaceVal(MUX_SHADE|MUX_ALPHAREPLICATE,(MUX_TEXEL0+i)|MUX_ALPHAREPLICATE,N64Cycle0RGB,MUX_MASK_WITH_ALPHA);
+ ReplaceVal(MUX_SHADE|MUX_ALPHAREPLICATE,(MUX_TEXEL0+i)|MUX_ALPHAREPLICATE,N64Cycle1RGB,MUX_MASK_WITH_ALPHA);
+ m_dwShadeAlphaChannelFlag = 0;
+ }
+ }
+ }
+ Reformat();
+#endif
+
+ m_bTexel0IsUsed = isUsed(MUX_TEXEL0);
+ m_bTexel1IsUsed = isUsed(MUX_TEXEL1);
+}
+
+void DecodedMux::Reformat(bool do_complement)
+{
+ if( m_dWords[N64Cycle0RGB] == m_dWords[N64Cycle1RGB] )
+ {
+ aRGB1 = MUX_0;
+ bRGB1 = MUX_0;
+ cRGB1 = MUX_0;
+ dRGB1 = MUX_COMBINED;
+ splitType[N64Cycle1RGB] = CM_FMT_TYPE_NOT_USED;
+ }
+
+ if( m_dWords[N64Cycle0Alpha] == m_dWords[N64Cycle1Alpha] )
+ {
+ aA1 = MUX_0;
+ bA1 = MUX_0;
+ cA1 = MUX_0;
+ dA1 = MUX_COMBINED;
+ splitType[N64Cycle1Alpha] = CM_FMT_TYPE_NOT_USED;
+ }
+
+ for( int i=0; i<4; i++ )
+ {
+ if( splitType[i] == CM_FMT_TYPE_NOT_USED )
+ {
+ continue; //Skip this, it is not used
+ }
+
+ N64CombinerType &m = m_n64Combiners[i];
+ //if( m.a == MUX_0 || m.c == MUX_0 || m.a == m.b ) m.a = m.b = m.c = MUX_0;
+ if( m.c == MUX_0 || m.a == m.b ) m.a = m.b = m.c = MUX_0;
+ if( do_complement && (m.b == MUX_1 || m.d == MUX_1) ) m.a = m.b = m.c = MUX_0;
+ if( m.a == MUX_0 && m.b == m.d )
+ {
+ m.a = m.b;
+ m.b = m.d = 0;
+ //Hack for Mario Tennis
+ if( options.enableHackForGames == HACK_FOR_MARIO_TENNIS && m.c == MUX_TEXEL1 )
+ {
+ if( do_complement )
+ m.c = MUX_TEXEL0|MUX_COMPLEMENT;
+ else
+ {
+ m.a = m.c;
+ m.c = m.b;
+ m.b = m.a;
+ m.a = MUX_1;
+ }
+ }
+ //m.c ^= MUX_COMPLEMENT;
+ }
+
+ //Type 1 == D
+ //Analyze the formula
+ //Check Type 1
+ //D = 1 = D(=1)
+ //C=0 = D
+ //A==B = D
+ //B=0, C=1, D=0 = A
+ //C=1, B==D = A
+ //A=1, B=0, D=0 = C
+ //A=1, C=1, D=0 = 1-B
+
+ splitType[i] = CM_FMT_TYPE_NOT_CHECKED; //All Type 1 will be changed to = D
+ if( m.c == MUX_0 || m.a==m.b || ( do_complement && (m.d == MUX_1 || m.b==MUX_1)) )
+ {
+ splitType[i] = CM_FMT_TYPE_D; //All Type 1 will be changed to = D
+ m.a = m.b = m.c = MUX_0;
+ if( m.d == MUX_COMBINED && i>=N64Cycle1RGB ) splitType[i] = CM_FMT_TYPE_NOT_USED;
+ }
+ else if( (m.b == MUX_0 && m.c == MUX_1 && m.d == MUX_0 ) || ( m.c == MUX_1 && m.b==m.d ) )
+ {
+ splitType[i] = CM_FMT_TYPE_D; //All Type 1 will be changed to = D
+ m.d = m.a;
+ m.a = m.b = m.c = MUX_0;
+ if( m.d == MUX_COMBINED && i>=N64Cycle1RGB ) splitType[i] = CM_FMT_TYPE_NOT_USED;
+ }
+ else if( m.a == MUX_1 && m.b == MUX_0 && m.d == MUX_0 )
+ {
+ splitType[i] = CM_FMT_TYPE_D; //All Type 1 will be changed to = D
+ m.d = m.c;
+ m.a = m.b = m.c = MUX_0;
+ if( m.d == MUX_COMBINED && i>=N64Cycle1RGB ) splitType[i] = CM_FMT_TYPE_NOT_USED;
+ }
+ else if( m.a == MUX_1 && m.c == MUX_1 && m.d == MUX_0 && do_complement )
+ {
+ splitType[i] = CM_FMT_TYPE_D; //All Type 1 will be changed to = D
+ m.d = m.b^MUX_COMPLEMENT;
+ m.a = m.b = m.c = MUX_0;
+ if( m.d == MUX_COMBINED && i>=N64Cycle1RGB ) splitType[i] = CM_FMT_TYPE_NOT_USED;
+ }
+
+ if( splitType[i] == CM_FMT_TYPE_NOT_USED )
+ continue;
+
+ if( splitType[i] == CM_FMT_TYPE_D )
+ {
+ if( (i == N64Cycle0RGB || i == N64Cycle0Alpha) && splitType[i+2]!=CM_FMT_TYPE_NOT_USED ) //Cycle 1's Color or Alpha
+ {
+ uint8 saveD = m.d;
+ for( int j=0; j<4; j++ )
+ {
+ if( (m_bytes[j+i*4+8]&MUX_MASK) == MUX_COMBINED )
+ {
+ m_bytes[j+i*4+8] = saveD|(m_bytes[j+i*4+8]&0xC0); //Replace cycle's CMB with D from cycle 1
+ }
+ }
+ m_dWords[i] = m_dWords[i+2];
+ splitType[i+2]=CM_FMT_TYPE_NOT_USED;
+ m_dWords[i+2] = 0x02000000;
+ i=i-1; // Throw the first cycle result away, use 2nd cycle for the 1st cycle
+ // and then redo the 1st cycle
+ continue;
+ }
+
+ if( (i==2 || i == 3) && (m.d&MUX_MASK) == MUX_COMBINED )
+ {
+ splitType[i] = CM_FMT_TYPE_NOT_USED;
+ }
+ continue;
+ }
+
+
+ //Type 2: A+D ' ADD
+ //B=0, C=1 = A+D
+ //A=1, B=0 = C+D
+ splitType[i] = CM_FMT_TYPE_A_ADD_D; //All Type 2 will be changed to = A+D
+ if( m.b == MUX_0 && m.c == MUX_1 )
+ {
+ if( m.d == MUX_TEXEL0 || m.d == MUX_TEXEL1 ) swap(m.a, m.d);
+ if( m.a == MUX_COMBINED ) swap(m.a, m.d);
+ continue;
+ }
+
+ if( m.a == MUX_1 && m.b == MUX_0 )
+ {
+ m.a = m.c; //Change format A+D
+ m.c = MUX_1;
+ if( m.d == MUX_TEXEL0 || m.d == MUX_TEXEL1 ) swap(m.a, m.d);
+ continue;
+ }
+
+
+ //Type 3: A*C
+ //B=0, D=0 = A*C
+ //A=1, D=0 = (1-A)*C
+ splitType[i] = CM_FMT_TYPE_A_MOD_C; //A*C
+ if( m.b == MUX_0 && m.d == MUX_0 )
+ {
+ if( m.c == MUX_TEXEL0 || m.c == MUX_TEXEL1 ) swap(m.a, m.c);
+ if( m.a == MUX_COMBINED ) swap(m.a, m.c);
+ continue;
+ }
+
+ if( m.a == MUX_1 && m.d == MUX_0 && do_complement )
+ {
+ m.a = m.b^MUX_COMPLEMENT;
+ m.b = MUX_0;
+ if( m.c == MUX_TEXEL0 || m.c == MUX_TEXEL1 ) swap(m.a, m.c);
+ if( m.a == MUX_COMBINED ) swap(m.a, m.c);
+ continue;
+ }
+
+ //Type 4: A-B ' SUB
+ //C=1, D=0 = A-B
+ splitType[i] = CM_FMT_TYPE_A_SUB_B; //A-B
+ if( m.c == MUX_1 && m.d == MUX_0 )
+ {
+ continue;
+ }
+
+ //Type 5: A*C+D , ' MULTIPLYADD
+ //B=0 = A*C+D
+ //A=1 = (1-B) * C + D
+ splitType[i] = CM_FMT_TYPE_A_MOD_C_ADD_D;
+ if( m.b == MUX_0 )
+ {
+ if( m.c == MUX_TEXEL0 || m.c == MUX_TEXEL1 ) swap(m.a, m.c);
+ if( m.a == MUX_COMBINED ) swap(m.a, m.c);
+ continue;
+ }
+
+ if( m.a == MUX_1 && m.b!=m.d && do_complement )
+ {
+ m.a = m.b^MUX_COMPLEMENT;
+ m.b = MUX_0;
+ if( m.c == MUX_TEXEL0 || m.c == MUX_TEXEL1 ) swap(m.a, m.c);
+ if( m.a == MUX_COMBINED ) swap(m.a, m.c);
+ continue;
+ }
+
+ //Type 6: (A-B)*C+B Map to LERP, or BLENDALPHA
+ //D==B
+ splitType[i] = CM_FMT_TYPE_A_LERP_B_C;
+ if( m.b == m.d )
+ {
+ continue;
+ }
+
+
+ //Type 7: A-B+D
+ //C=1 = A-B+D
+ splitType[i] = CM_FMT_TYPE_A_SUB_B_ADD_D;
+ if( m.c == MUX_1 )
+ {
+ if( m.c == MUX_TEXEL0 || m.c == MUX_TEXEL1 ) swap(m.a, m.c);
+ continue;
+ }
+
+ //Type 8: (A-B)*C
+ splitType[i] = CM_FMT_TYPE_A_SUB_B_MOD_C;
+ if( m.d == MUX_0 )
+ {
+ continue;
+ }
+
+ if( m.c == m.d && do_complement ) // (A-B)*C+C ==> (A + B|C ) * C
+ {
+ m.d = MUX_0;
+ m.b |= MUX_COMPLEMENT;
+ continue;
+ }
+
+ if( m.a == m.d )
+ {
+ splitType[i] = CM_FMT_TYPE_A_B_C_A;
+ continue;
+ }
+
+ //Type 9: (A-B)*C+D
+ splitType[i] = CM_FMT_TYPE_A_B_C_D;
+ }
+
+ if( (splitType[0] == CM_FMT_TYPE_D && splitType[2]!= CM_FMT_TYPE_NOT_USED ) || //Cycle 1 Color
+ (isUsedInCycle(MUX_COMBINED,1,COLOR_CHANNEL) == false && isUsedInCycle(MUX_COMBINED,1,ALPHA_CHANNEL) == false && splitType[2]!= CM_FMT_TYPE_NOT_USED) )
+ {
+ //Replace cycle 1 color with cycle 2 color because we have already replace cycle2's cmb
+ aRGB0 = aRGB1;
+ bRGB0 = bRGB1;
+ cRGB0 = cRGB1;
+ dRGB0 = dRGB1;
+ aRGB1 = MUX_0;
+ bRGB1 = MUX_0;
+ cRGB1 = MUX_0;
+ dRGB1 = MUX_COMBINED;
+ splitType[0] = splitType[2];
+ splitType[2] = CM_FMT_TYPE_NOT_USED;
+ }
+
+ if( (splitType[1] == CM_FMT_TYPE_D && splitType[3]!= CM_FMT_TYPE_NOT_USED ) || //Cycle 2 Alpha
+ ( isUsedInCycle(MUX_COMBINED,1,ALPHA_CHANNEL) == false && isUsedInCycle(MUX_COMBINED|MUX_ALPHAREPLICATE,1,COLOR_CHANNEL,MUX_MASK_WITH_ALPHA) == false && splitType[3]!= CM_FMT_TYPE_NOT_USED) )
+ {
+ //Replace cycle 1 alpha with cycle 2 alpha because we have already replace cycle2's cmb
+ aA0 = aA1;
+ bA0 = bA1;
+ cA0 = cA1;
+ dA0 = dA1;
+ aA1 = MUX_0;
+ bA1 = MUX_0;
+ cA1 = MUX_0;
+ dA1 = MUX_COMBINED;
+ splitType[1] = splitType[3];
+ splitType[3] = CM_FMT_TYPE_NOT_USED;
+ }
+
+ if( splitType[0] == CM_FMT_TYPE_A_MOD_C && splitType[2] == CM_FMT_TYPE_A_ADD_D )
+ {
+ m_n64Combiners[0].d = (m_n64Combiners[2].a & MUX_MASK) == MUX_COMBINED ? m_n64Combiners[2].d : m_n64Combiners[2].a;
+ splitType[0] = CM_FMT_TYPE_A_MOD_C_ADD_D;
+ splitType[2] = CM_FMT_TYPE_NOT_USED;
+ m_n64Combiners[2].a = MUX_0;
+ m_n64Combiners[2].c = MUX_0;
+ m_n64Combiners[2].d = MUX_COMBINED;
+ }
+
+ if( splitType[1] == CM_FMT_TYPE_A_MOD_C && splitType[3] == CM_FMT_TYPE_A_ADD_D )
+ {
+ m_n64Combiners[1].d = (m_n64Combiners[3].a & MUX_MASK) == MUX_COMBINED ? m_n64Combiners[3].d : m_n64Combiners[3].a;
+ splitType[1] = CM_FMT_TYPE_A_MOD_C_ADD_D;
+ splitType[3] = CM_FMT_TYPE_NOT_USED;
+ m_n64Combiners[3].a = MUX_0;
+ m_n64Combiners[3].c = MUX_0;
+ m_n64Combiners[3].d = MUX_COMBINED;
+ }
+
+ mType = max(max(max(splitType[0], splitType[1]),splitType[2]),splitType[3]);
+}
+
+const char* MuxGroupStr[4] =
+{
+ "Color0",
+ "Alpha0",
+ "Color1",
+ "Alpha1",
+};
+
+char* DecodedMux::FormatStr(uint8 val, char *buf)
+{
+ if( val == CM_IGNORE_BYTE )
+ {
+ strcpy(buf," ");
+ }
+ else
+ {
+ strcpy(buf, translatedCombTypes[val&MUX_MASK]);
+ if( val&MUX_ALPHAREPLICATE )
+ strcat(buf,"|A");
+ if( val&MUX_COMPLEMENT )
+ strcat(buf,"|C");
+ if( val&MUX_NEG )
+ strcat(buf,"|N");
+ }
+
+ return buf;
+}
+
+void DecodedMux::Display(bool simplified,FILE *fp)
+{
+ DecodedMux decodedMux;
+ DecodedMux *mux;
+ if( simplified )
+ {
+ mux = this;
+ }
+ else
+ {
+ decodedMux.Decode(m_dwMux0, m_dwMux1);
+ mux = &decodedMux;
+ }
+
+ char buf0[30];
+ char buf1[30];
+ char buf2[30];
+ char buf3[30];
+
+ for( int i=0; i<2; i++ )
+ {
+ for(int j=0;j<2;j++)
+ {
+ N64CombinerType &m = mux->m_n64Combiners[i+2*j];
+ if( fp )
+ {
+ fprintf(fp,"%s: (%s - %s) * %s + %s\n", MuxGroupStr[i+2*j], FormatStr(m.a,buf0),
+ FormatStr(m.b,buf1), FormatStr(m.c,buf2), FormatStr(m.d,buf3));
+ }
+ else
+ {
+ DebuggerAppendMsg("%s: (%s - %s) * %s + %s\n", MuxGroupStr[i+2*j], FormatStr(m.a,buf0),
+ FormatStr(m.b,buf1), FormatStr(m.c,buf2), FormatStr(m.d,buf3));
+ }
+ }
+ }
+}
+
+int DecodedMux::HowManyConstFactors()
+{
+ int n=0;
+ if( isUsed(MUX_PRIM) ) n++;
+ if( isUsed(MUX_ENV) ) n++;
+ if( isUsed(MUX_LODFRAC) ) n++;
+ if( isUsed(MUX_PRIMLODFRAC) ) n++;
+ return n;
+}
+
+int DecodedMux::HowManyTextures()
+{
+ int n=0;
+ if( isUsed(MUX_TEXEL0) ) n++;
+ if( isUsed(MUX_TEXEL1) ) n++;
+ return n;
+}
+
+int DecodedMux::CountTexels(void)
+{
+ int count=0;
+
+ for( int i=0; i<4; i++ )
+ {
+ N64CombinerType &m = m_n64Combiners[i];
+ count = max(count, ::CountTexel1Cycle(m));
+ if( count == 2 )
+ break;
+ }
+
+ return count;
+}
+
+void DecodedMux::ReplaceVal(uint8 val1, uint8 val2, int cycle, uint8 mask)
+{
+ int start = 0;
+ int end = 16;
+
+ if( cycle >= 0 )
+ {
+ start = cycle*4;
+ end = start+4;
+ }
+
+ uint8* pmux = m_bytes;
+ for( int i=start; i<end; i++ )
+ {
+ if( (pmux[i]&mask) == (val1&mask) )
+ {
+ pmux[i] &= (~mask);
+ pmux[i] |= val2;
+ }
+ }
+}
+
+uint32 DecodedMux::GetCycle(int cycle, CombineChannel channel)
+{
+ uint32* pmux = m_dWords;
+ if( channel == COLOR_CHANNEL )
+ {
+ return pmux[cycle*2];
+ }
+ else
+ {
+ return pmux[cycle*2+1];
+ }
+
+}
+
+uint32 DecodedMux::GetCycle(int cycle)
+{
+ return m_dWords[cycle];
+}
+
+enum ShadeConstMergeType
+{
+ SHADE_DO_NOTHING,
+ SHADE_ADD_PRIM, // Shade+PRIM
+ SHADE_ADD_ENV, // Shade+ENV
+ SHADE_ADD_PRIM_ALPHA, // Shade+PRIM_ALPHA
+ SHADE_ADD_ENV_ALPHA, // Shade+ENV_ALPHA
+ SHADE_MINUS_PRIM_PLUS_ENV,
+ SHADE_MINUS_ENV_PLUS_PRIM,
+ SHADE_MOD_ENV,
+};
+
+typedef struct
+{
+uint64 mux; // simplified
+ShadeConstMergeType op;
+} ShadeConstMergeMapType;
+
+ShadeConstMergeMapType MergeShadeWithConstantsMaps[] =
+{
+{0, SHADE_DO_NOTHING},
+{0x0007000600070006LL, SHADE_MOD_ENV}, // SHADE * ENV
+};
+
+// 0x05070501, 0x00070006 //(1 - PRIM) * ENV + PRIM
+// 0x00050003, 0x00050003 //(TEXEL0 - 0) * PRIM + 0
+
+void DecodedMux::MergeShadeWithConstants(void)
+{
+ // This function should be called afte the mux has been simplified
+ // The goal of this function is to merge as many as possible constants with shade
+ // so to reduce the totally number of constants to 0 or 1
+ // And at the same time, to reduce the complexity of the whole mux
+ // so we can implement the mux easiler when lower end video cards
+
+ // We can only try to merge shade with constants for:
+ // 1 cycle mode or 2 cycle mode and shade is not used in the 2nd cycle
+
+ if( m_bShadeIsUsed[0] ) MergeShadeWithConstantsInChannel(COLOR_CHANNEL);
+ if( m_bShadeIsUsed[1] ) MergeShadeWithConstantsInChannel(ALPHA_CHANNEL);
+}
+
+void DecodedMux::MergeShadeWithConstantsInChannel(CombineChannel channel)
+{
+ bool usedIn[2];
+ uint32 cycleVal;
+ int cycleNum;
+
+ usedIn[0] = isUsedInCycle(MUX_SHADE,channel);
+ usedIn[1] = isUsedInCycle(MUX_SHADE,channel+2);
+ if( usedIn[0] && usedIn[1] && GetCycle(channel)!=GetCycle(channel+2) )
+ {
+ //Shade is used in more than 1 cycles, and the ways it is used are different
+ //in cycles, so we can not merge shade with const factors
+ return;
+ }
+
+ if( usedIn[0] ) { cycleVal = GetCycle(channel);cycleNum=0;}
+ else {cycleVal = GetCycle(channel+2);cycleNum=1;}
+
+
+ //Update to here, Shade is either used only in 1 cycle, or the way it is used are totally
+ //the same in different cycles
+
+ if( cycleVal == 0x06000000 || isUsedInCycle(MUX_COMBINED,channel+cycleNum*2) ) // (0-0)*0+Shade
+ {
+ return;
+ }
+
+ //Now we can merge shade with consts
+ for( int i=0; i<2; i++ )
+ {
+ if( usedIn[i] )
+ {
+ N64CombinerType &m = m_n64Combiners[channel+i*2];
+ if( isUsedInCycle(MUX_TEXEL0,i*2+channel) || isUsedInCycle(MUX_TEXEL1,i*2+channel) )
+ {
+ if( (m.a&MUX_MASK) == MUX_TEXEL0 || (m.a&MUX_MASK) == MUX_TEXEL1 )
+ {
+ // m.a is texel, can not merge constant with shade
+ return;
+ }
+ else if( (m.b&MUX_MASK) == MUX_TEXEL0 || (m.b&MUX_MASK) == MUX_TEXEL1 )
+ {
+ // m.b is texel, can not merge constant with shade
+ return;
+ }
+ else if(( (m.c&MUX_MASK) == MUX_TEXEL0 || (m.c&MUX_MASK) == MUX_TEXEL1 ) )
+ {
+ if( (m.d&MUX_MASK) != MUX_SHADE )
+ {
+ cycleVal &= 0x0000FFFF; // A-B
+ }
+ else if( (m.a&MUX_MASK) == MUX_SHADE || (m.b&MUX_MASK) == MUX_SHADE )
+ {
+ return;
+ }
+ }
+ else if( (m.d&MUX_MASK) == MUX_TEXEL0 || (m.d&MUX_MASK) == MUX_TEXEL1 )
+ {
+ cycleVal &= 0x00FFFFFF; // (A-B)*C
+ }
+ }
+ else
+ {
+ m.a = m.b = m.c = MUX_0;
+ m.d = MUX_SHADE;
+ splitType[i*2+channel] = CM_FMT_TYPE_D;
+ }
+ }
+ }
+
+ if( channel == COLOR_CHANNEL )
+ m_dwShadeColorChannelFlag = cycleVal;
+ else
+ m_dwShadeAlphaChannelFlag = cycleVal;
+}
+
+
+void DecodedMux::MergeConstants(void)
+{
+ // This function should be called afte the mux has been simplified
+ // The goal of this function is to merge remain constants and to reduce the
+ // total number of constants, so we can implement the mux easiler
+
+ // This function should be called after the MergeShadeWithConstants() function
+}
+
+
+void DecodedMux::UseShadeForConstant(void)
+{
+ // If shade is not used in the mux, we can use it for constants
+ // This function should be called after constants have been merged
+
+ bool doAlphaChannel = true;
+ uint8 mask = (uint8)~MUX_COMPLEMENT;
+
+ int constants = 0;
+ if( isUsed(MUX_ENV) ) constants++;
+ if( isUsed(MUX_PRIM) ) constants++;
+ if( isUsed(MUX_LODFRAC) ) constants++;
+ if( isUsed(MUX_PRIMLODFRAC) ) constants++;
+
+ bool forceToUsed = constants>m_maxConstants;
+
+ if( !isUsedInColorChannel(MUX_SHADE) && (forceToUsed || max(splitType[0], splitType[2]) >= CM_FMT_TYPE_A_MOD_C_ADD_D) )
+ {
+ int countEnv = Count(MUX_ENV, N64Cycle0RGB, mask) + Count(MUX_ENV, N64Cycle1RGB, mask);
+ int countPrim = Count(MUX_PRIM, N64Cycle0RGB, mask) + Count(MUX_PRIM, N64Cycle1RGB, mask);
+ if( countEnv+countPrim > 0 )
+ {
+ if( countPrim >= countEnv )
+ {
+ //TRACE0("Use Shade for PRIM in color channel");
+ ReplaceVal(MUX_PRIM, MUX_SHADE, N64Cycle0RGB);
+ ReplaceVal(MUX_PRIM, MUX_SHADE, N64Cycle1RGB);
+ m_dwShadeColorChannelFlag = MUX_PRIM;
+ }
+ else if( countEnv>0 )
+ {
+ //TRACE0("Use Shade for ENV in color channel");
+ ReplaceVal(MUX_ENV, MUX_SHADE, N64Cycle0RGB);
+ ReplaceVal(MUX_ENV, MUX_SHADE, N64Cycle1RGB);
+ m_dwShadeColorChannelFlag = MUX_ENV;
+ }
+
+ if( isUsedInColorChannel(MUX_SHADE|MUX_ALPHAREPLICATE, mask) )
+ {
+ m_dwShadeAlphaChannelFlag = m_dwShadeColorChannelFlag;
+ ReplaceVal((uint8)m_dwShadeColorChannelFlag, MUX_SHADE, N64Cycle0Alpha);
+ ReplaceVal((uint8)m_dwShadeColorChannelFlag, MUX_SHADE, N64Cycle1Alpha);
+ doAlphaChannel = false;
+ }
+ }
+ }
+
+ if( doAlphaChannel && !isUsedInAlphaChannel(MUX_SHADE) && !isUsedInColorChannel(MUX_SHADE|MUX_ALPHAREPLICATE,MUX_MASK_WITH_ALPHA))
+ {
+ int countEnv = Count(MUX_ENV|MUX_ALPHAREPLICATE, N64Cycle0RGB, mask) + Count(MUX_ENV|MUX_ALPHAREPLICATE, N64Cycle1RGB, mask);
+ int countPrim = Count(MUX_PRIM|MUX_ALPHAREPLICATE, N64Cycle0RGB, mask) + Count(MUX_PRIM|MUX_ALPHAREPLICATE, N64Cycle1RGB, mask);
+
+ if( forceToUsed || max(splitType[1], splitType[3]) >= CM_FMT_TYPE_A_MOD_C_ADD_D ||
+ (max(splitType[0], splitType[2]) >= CM_FMT_TYPE_A_MOD_C_ADD_D && countEnv+countPrim > 0 ) )
+ {
+ countEnv = Count(MUX_ENV, N64Cycle0Alpha) + Count(MUX_ENV, N64Cycle1Alpha) +
+ Count(MUX_ENV|MUX_ALPHAREPLICATE, N64Cycle0RGB, mask) + Count(MUX_ENV|MUX_ALPHAREPLICATE, N64Cycle1RGB, mask);
+ countPrim = Count(MUX_PRIM, N64Cycle0Alpha) + Count(MUX_PRIM, N64Cycle1Alpha) +
+ Count(MUX_PRIM|MUX_ALPHAREPLICATE, N64Cycle0RGB, mask) + Count(MUX_PRIM|MUX_ALPHAREPLICATE, N64Cycle1RGB, mask);
+ if( countEnv+countPrim > 0 )
+ {
+ if( countPrim>0 && m_dwShadeColorChannelFlag == MUX_PRIM )
+ {
+ //TRACE0("Use Shade for PRIM in alpha channel");
+ ReplaceVal(MUX_PRIM, MUX_SHADE, N64Cycle0Alpha);
+ ReplaceVal(MUX_PRIM, MUX_SHADE, N64Cycle1Alpha);
+ ReplaceVal(MUX_PRIM|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, N64Cycle0RGB, mask);
+ ReplaceVal(MUX_PRIM|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, N64Cycle1RGB, mask);
+ m_dwShadeAlphaChannelFlag = MUX_PRIM;
+ }
+ else if( countEnv>0 && m_dwShadeColorChannelFlag == MUX_ENV )
+ {
+ //TRACE0("Use Shade for PRIM in alpha channel");
+ ReplaceVal(MUX_ENV, MUX_SHADE, N64Cycle0Alpha);
+ ReplaceVal(MUX_ENV, MUX_SHADE, N64Cycle1Alpha);
+ ReplaceVal(MUX_ENV|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, N64Cycle0RGB, mask);
+ ReplaceVal(MUX_ENV|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, N64Cycle1RGB, mask);
+ m_dwShadeAlphaChannelFlag = MUX_ENV;
+ }
+ else if( countPrim >= countEnv )
+ {
+ //TRACE0("Use Shade for PRIM in alpha channel");
+ ReplaceVal(MUX_PRIM, MUX_SHADE, N64Cycle0Alpha);
+ ReplaceVal(MUX_PRIM, MUX_SHADE, N64Cycle1Alpha);
+ ReplaceVal(MUX_PRIM|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, N64Cycle0RGB, mask);
+ ReplaceVal(MUX_PRIM|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, N64Cycle1RGB, mask);
+ m_dwShadeAlphaChannelFlag = MUX_PRIM;
+ }
+ else if( countEnv>0 )
+ {
+ //TRACE0("Use Shade for ENV in alpha channel");
+ ReplaceVal(MUX_ENV, MUX_SHADE, N64Cycle0Alpha);
+ ReplaceVal(MUX_ENV, MUX_SHADE, N64Cycle1Alpha);
+ ReplaceVal(MUX_ENV|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, N64Cycle0RGB, mask);
+ ReplaceVal(MUX_ENV|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, N64Cycle1RGB, mask);
+ m_dwShadeAlphaChannelFlag = MUX_ENV;
+ }
+ }
+ }
+ }
+}
+
+void DecodedMux::UseTextureForConstant(void)
+{
+ int numofconst = HowManyConstFactors();
+ int numOftex = HowManyTextures();
+
+ if( numofconst > m_maxConstants && numOftex < m_maxTextures )
+ {
+ // We can use a texture for a constant
+ for( int i=0; i<2 && numofconst > m_maxConstants ; i++ )
+ {
+ if( isUsed(MUX_TEXEL0+i) )
+ {
+ continue; // can not use this texture
+ }
+
+ if( isUsed(MUX_PRIM) )
+ {
+ ReplaceVal(MUX_PRIM, MUX_TEXEL0+i);
+ m_ColorTextureFlag[i] = MUX_PRIM;
+ numofconst--;
+ continue;
+ }
+
+ if( isUsed(MUX_ENV) )
+ {
+ ReplaceVal(MUX_ENV, MUX_TEXEL0+i);
+ m_ColorTextureFlag[i] = MUX_ENV;
+ numofconst--;
+ continue;
+ }
+
+ if( isUsed(MUX_LODFRAC) )
+ {
+ ReplaceVal(MUX_LODFRAC, MUX_TEXEL0+i);
+ m_ColorTextureFlag[i] = MUX_LODFRAC;
+ numofconst--;
+ continue;
+ }
+
+ if( isUsed(MUX_PRIMLODFRAC) )
+ {
+ ReplaceVal(MUX_PRIMLODFRAC, MUX_TEXEL0+i);
+ m_ColorTextureFlag[i] = MUX_PRIMLODFRAC;
+ numofconst--;
+ continue;
+ }
+ }
+ }
+}
+
+
+void DecodedMuxForOGL14V2::UseTextureForConstant(void)
+{
+ bool envused = isUsed(MUX_ENV);
+ bool lodused = isUsed(MUX_LODFRAC);
+
+ int numofconst = 0;
+ if( envused ) numofconst++;
+ if( lodused ) numofconst++;
+
+ int numOftex = HowManyTextures();
+
+ if( numofconst > 0 && numOftex < 2 )
+ {
+ // We can use a texture for a constant
+ for( int i=0; i<2 && numofconst > 0 ; i++ )
+ {
+ if( isUsed(MUX_TEXEL0+i) )
+ {
+ continue; // can not use this texture
+ }
+
+ if( envused )
+ {
+ ReplaceVal(MUX_ENV, MUX_TEXEL0+i);
+ m_ColorTextureFlag[i] = MUX_ENV;
+ numofconst--;
+ envused = false;
+ continue;
+ }
+
+ if( isUsed(MUX_LODFRAC) )
+ {
+ ReplaceVal(MUX_LODFRAC, MUX_TEXEL0+i);
+ m_ColorTextureFlag[i] = MUX_LODFRAC;
+ numofconst--;
+ continue;
+ }
+
+ if( isUsed(MUX_PRIMLODFRAC) )
+ {
+ ReplaceVal(MUX_PRIMLODFRAC, MUX_TEXEL0+i);
+ m_ColorTextureFlag[i] = MUX_PRIMLODFRAC;
+ numofconst--;
+ continue;
+ }
+ }
+ }
+}
+
+#ifdef DEBUGGER
+extern const char *translatedCombTypes[];
+void DecodedMux::DisplayMuxString(const char *prompt)
+{
+ DebuggerAppendMsg("//Mux=0x%08x%08x\t%s in %s\n", m_dwMux0, m_dwMux1, prompt, g_curRomInfo.szGameName);
+ Display(false);
+ TRACE0("\n");
+}
+
+void DecodedMux::DisplaySimpliedMuxString(const char *prompt)
+{
+ DebuggerAppendMsg("//Simplied Mux=0x%08x%08x\t%s in %s\n", m_dwMux0, m_dwMux1, prompt, g_curRomInfo.szGameName);
+ DebuggerAppendMsg("Simplied DWORDs=%08X, %08X, %08X, %08X", m_dWords[0],m_dWords[1],m_dWords[2],m_dWords[3]);
+ Display(true);
+ DebuggerAppendMsg("Simplfied type: %s", muxTypeStrs[mType]);
+ if( m_dwShadeColorChannelFlag != 0 )
+ {
+ if( m_dwShadeColorChannelFlag == MUX_ENV )
+ TRACE0("Shade = ENV in color channel")
+ else if( m_dwShadeColorChannelFlag == MUX_PRIM )
+ TRACE0("Shade = PRIM in color channel")
+ else if( m_dwShadeColorChannelFlag == MUX_LODFRAC )
+ TRACE0("Shade = MUX_LODFRAC in color channel")
+ else if( m_dwShadeColorChannelFlag == MUX_PRIMLODFRAC )
+ TRACE0("Shade = MUX_PRIMLODFRAC in color channel")
+ else
+ DisplayConstantsWithShade(m_dwShadeColorChannelFlag,COLOR_CHANNEL);
+ }
+ if( m_dwShadeAlphaChannelFlag != 0 )
+ {
+ if( m_dwShadeAlphaChannelFlag == MUX_ENV )
+ TRACE0("Shade = ENV in alpha channel")
+ else if( m_dwShadeAlphaChannelFlag == MUX_PRIM )
+ TRACE0("Shade = PRIM in alpha channel")
+ else if( m_dwShadeAlphaChannelFlag == MUX_LODFRAC )
+ TRACE0("Shade = MUX_LODFRAC in alpha channel")
+ else if( m_dwShadeAlphaChannelFlag == MUX_PRIMLODFRAC )
+ TRACE0("Shade = MUX_PRIMLODFRAC in alpha channel")
+ else
+ DisplayConstantsWithShade(m_dwShadeAlphaChannelFlag,ALPHA_CHANNEL);
+ }
+
+ for( int i=0; i<2; i++ )
+ {
+ if( m_ColorTextureFlag[i] != 0 )
+ {
+ if( m_ColorTextureFlag[i] == MUX_ENV )
+ TRACE1("Tex %d = ENV", i)
+ else if( m_ColorTextureFlag[i] == MUX_PRIM )
+ TRACE1("Tex %d = PRIM", i)
+ else if( m_ColorTextureFlag[i] == MUX_LODFRAC )
+ TRACE1("Tex %d = MUX_LODFRAC", i)
+ else if( m_ColorTextureFlag[i] == MUX_PRIMLODFRAC )
+ TRACE1("Tex %d = MUX_PRIMLODFRAC", i)
+ }
+ }
+
+
+ TRACE0("\n");
+}
+
+void DecodedMux::DisplayConstantsWithShade(uint32 flag,CombineChannel channel)
+{
+ DebuggerAppendMsg("Shade = %08X in %s channel",flag,channel==COLOR_CHANNEL?"color":"alpha");
+}
+#else
+
+extern const char *translatedCombTypes[];
+void DecodedMux::LogMuxString(const char *prompt, FILE *fp)
+{
+ fprintf(fp,"//Mux=0x%08x%08x\t%s in %s\n", m_dwMux0, m_dwMux1, prompt, g_curRomInfo.szGameName);
+ Display(false,fp);
+ TRACE0("\n");
+}
+
+void DecodedMux::LogSimpliedMuxString(const char *prompt, FILE *fp)
+{
+ fprintf(fp,"//Simplied Mux=0x%08x%08x\t%s in %s\n", m_dwMux0, m_dwMux1, prompt, g_curRomInfo.szGameName);
+ fprintf(fp,"Simplied DWORDs=%08X, %08X, %08X, %08X\n", m_dWords[0],m_dWords[1],m_dWords[2],m_dWords[3]);
+ Display(true,fp);
+ fprintf(fp,"Simplfied type: %s", muxTypeStrs[mType]);
+ if( m_dwShadeColorChannelFlag != 0 )
+ {
+ if( m_dwShadeColorChannelFlag == MUX_ENV )
+ TRACE0("Shade = ENV in color channel")
+ else if( m_dwShadeColorChannelFlag == MUX_PRIM )
+ TRACE0("Shade = PRIM in color channel")
+ else if( m_dwShadeColorChannelFlag == MUX_LODFRAC )
+ TRACE0("Shade = MUX_LODFRAC in color channel")
+ else if( m_dwShadeColorChannelFlag == MUX_PRIMLODFRAC )
+ TRACE0("Shade = MUX_PRIMLODFRAC in color channel")
+ else
+ LogConstantsWithShade(m_dwShadeColorChannelFlag,COLOR_CHANNEL,fp);
+ }
+ if( m_dwShadeAlphaChannelFlag != 0 )
+ {
+ if( m_dwShadeAlphaChannelFlag == MUX_ENV )
+ TRACE0("Shade = ENV in alpha channel")
+ else if( m_dwShadeAlphaChannelFlag == MUX_PRIM )
+ TRACE0("Shade = PRIM in alpha channel")
+ else if( m_dwShadeAlphaChannelFlag == MUX_LODFRAC )
+ TRACE0("Shade = MUX_LODFRAC in alpha channel")
+ else if( m_dwShadeAlphaChannelFlag == MUX_PRIMLODFRAC )
+ TRACE0("Shade = MUX_PRIMLODFRAC in alpha channel")
+ else
+ LogConstantsWithShade(m_dwShadeAlphaChannelFlag,ALPHA_CHANNEL,fp);
+ }
+
+ for( int i=0; i<2; i++ )
+ {
+ if( m_ColorTextureFlag[i] != 0 )
+ {
+ if( m_ColorTextureFlag[i] == MUX_ENV )
+ TRACE1("Tex %d = ENV", i)
+ else if( m_ColorTextureFlag[i] == MUX_PRIM )
+ TRACE1("Tex %d = PRIM", i)
+ else if( m_ColorTextureFlag[i] == MUX_LODFRAC )
+ TRACE1("Tex %d = MUX_LODFRAC", i)
+ else if( m_ColorTextureFlag[i] == MUX_PRIMLODFRAC )
+ TRACE1("Tex %d = MUX_PRIMLODFRAC", i)
+ }
+ }
+
+
+ TRACE0("\n");
+}
+
+void DecodedMux::LogConstantsWithShade(uint32 flag,CombineChannel channel, FILE *fp)
+{
+ fprintf(fp,"Shade = %08X in %s channel",flag,channel==COLOR_CHANNEL?"color":"alpha");
+}
+#endif
+
+
+void DecodedMux::To_AB_Add_CD_Format(void) // Use by TNT,Geforce
+{
+ // This function should be called after calling reformat
+ // This function will not be called by default, can be called optionally
+ // by TNT/Geforce combiner compilers
+
+ for( int i=0; i<2; i++ )
+ {
+ N64CombinerType &m0 = m_n64Combiners[i];
+ N64CombinerType &m1 = m_n64Combiners[i+2];
+ switch( splitType[i] )
+ {
+ case CM_FMT_TYPE_A_SUB_B_ADD_D: // = A-B+D can not map very well in 1 stage
+ if( splitType[i+2] == CM_FMT_TYPE_NOT_USED )
+ {
+ m1.a = m0.d;
+ m1.d = MUX_COMBINED;
+ splitType[i+2] = CM_FMT_TYPE_A_ADD_D;
+
+ m0.d = MUX_0;
+ splitType[i] = CM_FMT_TYPE_A_SUB_B;
+ }
+ else if( splitType[i+2] == CM_FMT_TYPE_A_MOD_C )
+ {
+ if( (m1.c&MUX_MASK) == MUX_COMBINED ) swap(m1.a, m1.c);
+ m1.b = m1.d = m1.c;
+ m1.c = (m0.d | (m1.a & (~MUX_MASK)));
+ splitType[i+2] = CM_FMT_TYPE_AB_ADD_CD;
+
+ m0.d = MUX_0;
+ splitType[i] = CM_FMT_TYPE_A_SUB_B;
+ }
+ break;
+ case CM_FMT_TYPE_A_SUB_B_MOD_C: // = (A-B)*C can not map very well in 1 stage
+ m0.d = m0.b;
+ m0.b = m0.c;
+ splitType[i] = CM_FMT_TYPE_AB_SUB_CD;
+ break;
+ case CM_FMT_TYPE_A_ADD_B_MOD_C: // = (A+B)*C can not map very well in 1 stage
+ m0.d = m0.b;
+ m0.b = m0.c;
+ splitType[i] = CM_FMT_TYPE_AB_ADD_CD;
+ break;
+ case CM_FMT_TYPE_A_B_C_D: // = (A-B)*C+D
+ case CM_FMT_TYPE_A_B_C_A: // = (A-B)*C+D
+ if( splitType[i+2] == CM_FMT_TYPE_NOT_USED )
+ {
+ m1.a = m0.d;
+ m1.d = MUX_COMBINED;
+ splitType[i+2] = CM_FMT_TYPE_A_ADD_D;
+
+ m0.d = m0.b;
+ m0.b = m0.c;
+ splitType[i] = CM_FMT_TYPE_AB_SUB_CD;
+ }
+ else if( splitType[i+2] == CM_FMT_TYPE_A_MOD_C )
+ {
+ if( (m1.c&MUX_MASK) == MUX_COMBINED ) swap(m1.a, m1.c);
+ m1.b = m1.d = m1.c;
+ m1.c = (m0.d | (m1.a & (~MUX_MASK)));
+ splitType[i+2] = CM_FMT_TYPE_AB_ADD_CD;
+
+ m0.d = m0.b;
+ m0.b = m0.c;
+ splitType[i] = CM_FMT_TYPE_AB_ADD_CD;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+void DecodedMux::To_AB_Add_C_Format(void) // Use by ATI Radeon
+{
+ // This function should be called after calling reformat
+ // This function will not be called by default, can be called optionally
+ // by ATI combiner compilers
+}
+
+void DecodedMux::CheckCombineInCycle1(void)
+{
+ if( isUsedInCycle(MUX_COMBINED,0,COLOR_CHANNEL) )
+ {
+ ReplaceVal(MUX_COMBINED, MUX_SHADE, 0);
+ }
+
+ if( isUsedInCycle(MUX_COMBALPHA,0,COLOR_CHANNEL) )
+ {
+ ReplaceVal(MUX_COMBALPHA, MUX_SHADE|MUX_ALPHAREPLICATE, 0);
+ }
+
+ if( isUsedInCycle(MUX_COMBINED,0,ALPHA_CHANNEL) )
+ {
+ if( cA0 == MUX_COMBINED && cRGB0 == MUX_LODFRAC && bRGB0 == dRGB0 && bA0 == dA0 )
+ {
+ cA0 = MUX_LODFRAC;
+ }
+ else
+ {
+ ReplaceVal(MUX_COMBINED, MUX_SHADE, 1);
+ }
+ }
+ if( isUsedInCycle(MUX_COMBALPHA,0,ALPHA_CHANNEL) )
+ {
+ ReplaceVal(MUX_COMBALPHA, MUX_SHADE, 1);
+ }
+}
+
+void DecodedMux::SplitComplexStages()
+{
+ for( int i=0; i<2; i++) // Color channel and alpha channel
+ {
+ if( splitType[i+2] != CM_FMT_TYPE_NOT_USED )
+ continue;
+
+ N64CombinerType &m = m_n64Combiners[i];
+ N64CombinerType &m2 = m_n64Combiners[i+2];
+
+ switch( splitType[i] )
+ {
+ case CM_FMT_TYPE_A_MOD_C_ADD_D: // = A*C+D can mapped to MULTIPLYADD(arg1,arg2,arg0)
+ m2.a = m.d;
+ m2.d = MUX_COMBINED;
+ m2.c = MUX_1;
+ m2.b = 0;
+ splitType[i+2] = CM_FMT_TYPE_A_ADD_D;
+ m.d = MUX_0;
+ splitType[i] = CM_FMT_TYPE_A_MOD_C;
+ break;
+ case CM_FMT_TYPE_A_SUB_B_ADD_D: // = A-B+D can not map very well in 1 stage
+ m2.a = m.d;
+ m2.d = MUX_COMBINED;
+ m2.c = MUX_1;
+ m2.b=0;
+ splitType[i+2] = CM_FMT_TYPE_A_ADD_D;
+ m.d = MUX_0;
+ splitType[i] = CM_FMT_TYPE_A_SUB_B;
+ break;
+ case CM_FMT_TYPE_A_SUB_B_MOD_C: // = (A-B)*C can not map very well in 1 stage
+ m2.a = m.c;
+ m2.c = MUX_COMBINED;
+ m2.d = m2.b=0;
+ splitType[i+2] = CM_FMT_TYPE_A_MOD_C;
+ m.c = MUX_1;
+ splitType[i] = CM_FMT_TYPE_A_SUB_B;
+ break;
+ case CM_FMT_TYPE_A_ADD_B_MOD_C: // = (A+B)*C can not map very well in 1 stage
+ m2.a = m.c;
+ m2.c = MUX_COMBINED;
+ m2.d = m2.b = 0;
+ splitType[i+2] = CM_FMT_TYPE_A_MOD_C;
+ m.c = MUX_1;
+ m.d = m.b;
+ m.b = MUX_0;
+ splitType[i] = CM_FMT_TYPE_A_ADD_D;
+ break;
+ case CM_FMT_TYPE_A_B_C_D: // = (A-B)*C+D can not map very well in 1 stage
+ m2.a = m.d;
+ m2.d = MUX_COMBINED;
+ m2.c = MUX_1;
+ m2.b = 0;
+ splitType[i+2] = CM_FMT_TYPE_A_ADD_D;
+ m.d = MUX_0;
+ splitType[i] = CM_FMT_TYPE_A_SUB_B_MOD_C;
+ break;
+ case CM_FMT_TYPE_A_B_C_A: // = (A-B)*C+A can not map very well in 1 stage
+ m2.a = m.d;
+ m2.d = MUX_COMBINED;
+ m2.c = MUX_1;
+ m2.b = 0;
+ splitType[i+2] = CM_FMT_TYPE_A_ADD_D;
+ m.d = MUX_0;
+ splitType[i] = CM_FMT_TYPE_A_SUB_B_MOD_C;
+ break;
+ default:
+ break;
+ }
+ }
+ //Reformat();
+ //UseShadeForConstant();
+}
+
+
+void DecodedMux::ConvertLODFracTo0()
+{
+ ReplaceVal(MUX_LODFRAC,MUX_0);
+ ReplaceVal(MUX_PRIMLODFRAC,MUX_0);
+}
+
+
+void DecodedMux::Hack(void)
+{
+ if( options.enableHackForGames == HACK_FOR_TONYHAWK )
+ {
+ if( gRSP.curTile == 1 )
+ {
+ ReplaceVal(MUX_TEXEL1, MUX_TEXEL0);
+ }
+ }
+ else if( options.enableHackForGames == HACK_FOR_ZELDA || options.enableHackForGames == HACK_FOR_ZELDA_MM)
+ {
+ if( m_dwMux1 == 0xfffd9238 && m_dwMux0 == 0x00ffadff )
+ {
+ ReplaceVal(MUX_TEXEL1, MUX_TEXEL0);
+ }
+ else if( m_dwMux1 == 0xff5bfff8 && m_dwMux0 == 0x00121603 )
+ {
+ // The Zelda road trace
+ ReplaceVal(MUX_TEXEL1, MUX_0);
+ }
+ }
+ else if( options.enableHackForGames == HACK_FOR_MARIO_TENNIS )
+ {
+ if( m_dwMux1 == 0xffebdbc0 && m_dwMux0 == 0x00ffb9ff )
+ {
+ // Player shadow
+ //m_decodedMux.dRGB0 = MUX_TEXEL0;
+ //m_decodedMux.dRGB1 = MUX_COMBINED;
+ cA1 = MUX_TEXEL0;
+ }
+ }
+ else if( options.enableHackForGames == HACK_FOR_MARIO_GOLF )
+ {
+ // Hack for Mario Golf
+ if( m_dwMux1 == 0xf1ffca7e || m_dwMux0 == 0x00115407 )
+ {
+ // The grass
+ ReplaceVal(MUX_TEXEL0, MUX_TEXEL1);
+ }
+ }
+ else if( options.enableHackForGames == HACK_FOR_TOPGEARRALLY )
+ {
+ //Mux=0x00317e025ffef3fa Used in TOP GEAR RALLY
+ //Color0: (PRIM - ENV) * TEXEL1 + ENV
+ //Color1: (COMBINED - 0) * TEXEL1 + 0
+ //Alpha0: (0 - 0) * 0 + TEXEL0
+ //Alpha1: (0 - 0) * 0 + TEXEL1
+ if( m_dwMux1 == 0x5ffef3fa || m_dwMux0 == 0x00317e02 )
+ {
+ // The grass
+ //ReplaceVal(MUX_TEXEL0, MUX_TEXEL1);
+ dA1 = MUX_COMBINED;
+ //aA1 = MUX_COMBINED;
+ //cA1 = MUX_TEXEL1;
+ //dA1 = MUX_0;
+ cRGB1 = MUX_TEXEL0;
+ }
+ }
+}
+
notaz.gp2x.de / mupen64plus-pandora.git / blobdiff