From cd03ed4f54444d96e4e47cdb118a3dfd94d92bb0 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Sun, 5 Nov 2000 18:24:40 +0000 Subject: Reorganized software rasterizer as a module which manages its own state, with tighter interfaces with the rest of the world. Proper documentation to come. --- src/mesa/swrast/s_tritemp.h | 384 +++++++++++++++++--------------------------- 1 file changed, 144 insertions(+), 240 deletions(-) (limited to 'src/mesa/swrast/s_tritemp.h') diff --git a/src/mesa/swrast/s_tritemp.h b/src/mesa/swrast/s_tritemp.h index 21e7ceef5a..a87b24c40c 100644 --- a/src/mesa/swrast/s_tritemp.h +++ b/src/mesa/swrast/s_tritemp.h @@ -1,4 +1,4 @@ -/* $Id: s_tritemp.h,v 1.1 2000/10/31 18:00:04 keithw Exp $ */ +/* $Id: s_tritemp.h,v 1.2 2000/11/05 18:24:41 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -73,10 +73,10 @@ */ -/*void triangle( GLcontext *ctx, GLuint v0, GLuint v1, GLuint v2, GLuint pv )*/ +/*void triangle( GLcontext *ctx, SWvertex *v0, SWvertex *v1, SWvertex *v2 )*/ { typedef struct { - GLint v0, v1; /* Y(v0) < Y(v1) */ + SWvertex *v0, *v1; /* Y(v0) < Y(v1) */ GLfloat dx; /* X(v1) - X(v0) */ GLfloat dy; /* Y(v1) - Y(v0) */ GLfixed fdxdy; /* dx/dy in fixed-point */ @@ -93,17 +93,16 @@ const GLfloat maxDepth = ctx->Visual.DepthMaxF; #define FixedToDepth(F) ((F) >> fixedToDepthShift) #endif - const struct vertex_buffer *VB = ctx->VB; EdgeT eMaj, eTop, eBot; GLfloat oneOverArea; - int vMin, vMid, vMax; /* vertex indexes: Y(vMin)<=Y(vMid)<=Y(vMax) */ - float bf = ctx->backface_sign; + SWvertex *vMin, *vMid, *vMax; /* Y(vMin)<=Y(vMid)<=Y(vMax) */ + float bf = ctx->_backface_sign; /* find the order of the 3 vertices along the Y axis */ { - GLfloat y0 = VB->Win.data[v0][1]; - GLfloat y1 = VB->Win.data[v1][1]; - GLfloat y2 = VB->Win.data[v2][1]; + GLfloat y0 = v0->win[1]; + GLfloat y1 = v1->win[1]; + GLfloat y2 = v2->win[1]; if (y0<=y1) { if (y1<=y2) { @@ -135,12 +134,12 @@ eBot.v0 = vMin; eBot.v1 = vMid; /* compute deltas for each edge: vertex[v1] - vertex[v0] */ - eMaj.dx = VB->Win.data[vMax][0] - VB->Win.data[vMin][0]; - eMaj.dy = VB->Win.data[vMax][1] - VB->Win.data[vMin][1]; - eTop.dx = VB->Win.data[vMax][0] - VB->Win.data[vMid][0]; - eTop.dy = VB->Win.data[vMax][1] - VB->Win.data[vMid][1]; - eBot.dx = VB->Win.data[vMid][0] - VB->Win.data[vMin][0]; - eBot.dy = VB->Win.data[vMid][1] - VB->Win.data[vMin][1]; + eMaj.dx = vMax->win[0] - vMin->win[0]; + eMaj.dy = vMax->win[1] - vMin->win[1]; + eTop.dx = vMax->win[0] - vMid->win[0]; + eTop.dy = vMax->win[1] - vMid->win[1]; + eBot.dx = vMid->win[0] - vMin->win[0]; + eBot.dy = vMid->win[1] - vMin->win[1]; /* compute oneOverArea */ { @@ -167,11 +166,11 @@ /* Edge setup. For a triangle strip these could be reused... */ { /* fixed point Y coordinates */ - GLfixed vMin_fx = FloatToFixed(VB->Win.data[vMin][0] + 0.5F); - GLfixed vMin_fy = FloatToFixed(VB->Win.data[vMin][1] - 0.5F); - GLfixed vMid_fx = FloatToFixed(VB->Win.data[vMid][0] + 0.5F); - GLfixed vMid_fy = FloatToFixed(VB->Win.data[vMid][1] - 0.5F); - GLfixed vMax_fy = FloatToFixed(VB->Win.data[vMax][1] - 0.5F); + GLfixed vMin_fx = FloatToFixed(vMin->win[0] + 0.5F); + GLfixed vMin_fy = FloatToFixed(vMin->win[1] - 0.5F); + GLfixed vMid_fx = FloatToFixed(vMid->win[0] + 0.5F); + GLfixed vMid_fy = FloatToFixed(vMid->win[1] - 0.5F); + GLfixed vMax_fy = FloatToFixed(vMax->win[1] - 0.5F); eMaj.fsy = FixedCeil(vMin_fy); eMaj.lines = FixedToInt(vMax_fy + FIXED_ONE - FIXED_EPSILON - eMaj.fsy); @@ -293,8 +292,8 @@ #ifdef INTERP_Z { GLfloat eMaj_dz, eBot_dz; - eMaj_dz = VB->Win.data[vMax][2] - VB->Win.data[vMin][2]; - eBot_dz = VB->Win.data[vMid][2] - VB->Win.data[vMin][2]; + eMaj_dz = vMax->win[2] - vMin->win[2]; + eBot_dz = vMid->win[2] - vMin->win[2]; dzdx = oneOverArea * (eMaj_dz * eBot.dy - eMaj.dy * eBot_dz); if (dzdx > maxDepth || dzdx < -maxDepth) { /* probably a sliver triangle */ @@ -311,8 +310,8 @@ } { GLfloat eMaj_dfog, eBot_dfog; - eMaj_dfog = (VB->FogCoordPtr->data[vMax] - VB->FogCoordPtr->data[vMin]) * 256; - eBot_dfog = (VB->FogCoordPtr->data[vMid] - VB->FogCoordPtr->data[vMin]) * 256; + eMaj_dfog = (vMax->fog - vMin->fog) * 256; + eBot_dfog = (vMid->fog - vMin->fog) * 256; dfogdx = oneOverArea * (eMaj_dfog * eBot.dy - eMaj.dy * eBot_dfog); fdfogdx = SignedFloatToFixed(dfogdx); dfogdy = oneOverArea * (eMaj.dx * eBot_dfog - eMaj_dfog * eBot.dx); @@ -321,30 +320,30 @@ #ifdef INTERP_RGB { GLfloat eMaj_dr, eBot_dr; - eMaj_dr = (GLint) VB->ColorPtr->data[vMax][0] - - (GLint) VB->ColorPtr->data[vMin][0]; - eBot_dr = (GLint) VB->ColorPtr->data[vMid][0] - - (GLint) VB->ColorPtr->data[vMin][0]; + eMaj_dr = (GLint) vMax->color[0] + - (GLint) vMin->color[0]; + eBot_dr = (GLint) vMid->color[0] + - (GLint) vMin->color[0]; drdx = oneOverArea * (eMaj_dr * eBot.dy - eMaj.dy * eBot_dr); fdrdx = SignedFloatToFixed(drdx); drdy = oneOverArea * (eMaj.dx * eBot_dr - eMaj_dr * eBot.dx); } { GLfloat eMaj_dg, eBot_dg; - eMaj_dg = (GLint) VB->ColorPtr->data[vMax][1] - - (GLint) VB->ColorPtr->data[vMin][1]; - eBot_dg = (GLint) VB->ColorPtr->data[vMid][1] - - (GLint) VB->ColorPtr->data[vMin][1]; + eMaj_dg = (GLint) vMax->color[1] + - (GLint) vMin->color[1]; + eBot_dg = (GLint) vMid->color[1] + - (GLint) vMin->color[1]; dgdx = oneOverArea * (eMaj_dg * eBot.dy - eMaj.dy * eBot_dg); fdgdx = SignedFloatToFixed(dgdx); dgdy = oneOverArea * (eMaj.dx * eBot_dg - eMaj_dg * eBot.dx); } { GLfloat eMaj_db, eBot_db; - eMaj_db = (GLint) VB->ColorPtr->data[vMax][2] - - (GLint) VB->ColorPtr->data[vMin][2]; - eBot_db = (GLint) VB->ColorPtr->data[vMid][2] - - (GLint) VB->ColorPtr->data[vMin][2]; + eMaj_db = (GLint) vMax->color[2] + - (GLint) vMin->color[2]; + eBot_db = (GLint) vMid->color[2] + - (GLint) vMin->color[2]; dbdx = oneOverArea * (eMaj_db * eBot.dy - eMaj.dy * eBot_db); fdbdx = SignedFloatToFixed(dbdx); dbdy = oneOverArea * (eMaj.dx * eBot_db - eMaj_db * eBot.dx); @@ -353,30 +352,30 @@ #ifdef INTERP_SPEC { GLfloat eMaj_dsr, eBot_dsr; - eMaj_dsr = (GLint) VB->SecondaryColorPtr->data[vMax][0] - - (GLint) VB->SecondaryColorPtr->data[vMin][0]; - eBot_dsr = (GLint) VB->SecondaryColorPtr->data[vMid][0] - - (GLint) VB->SecondaryColorPtr->data[vMin][0]; + eMaj_dsr = (GLint) vMax->specular[0] + - (GLint) vMin->specular[0]; + eBot_dsr = (GLint) vMid->specular[0] + - (GLint) vMin->specular[0]; dsrdx = oneOverArea * (eMaj_dsr * eBot.dy - eMaj.dy * eBot_dsr); fdsrdx = SignedFloatToFixed(dsrdx); dsrdy = oneOverArea * (eMaj.dx * eBot_dsr - eMaj_dsr * eBot.dx); } { GLfloat eMaj_dsg, eBot_dsg; - eMaj_dsg = (GLint) VB->SecondaryColorPtr->data[vMax][1] - - (GLint) VB->SecondaryColorPtr->data[vMin][1]; - eBot_dsg = (GLint) VB->SecondaryColorPtr->data[vMid][1] - - (GLint) VB->SecondaryColorPtr->data[vMin][1]; + eMaj_dsg = (GLint) vMax->specular[1] + - (GLint) vMin->specular[1]; + eBot_dsg = (GLint) vMid->specular[1] + - (GLint) vMin->specular[1]; dsgdx = oneOverArea * (eMaj_dsg * eBot.dy - eMaj.dy * eBot_dsg); fdsgdx = SignedFloatToFixed(dsgdx); dsgdy = oneOverArea * (eMaj.dx * eBot_dsg - eMaj_dsg * eBot.dx); } { GLfloat eMaj_dsb, eBot_dsb; - eMaj_dsb = (GLint) VB->SecondaryColorPtr->data[vMax][2] - - (GLint) VB->SecondaryColorPtr->data[vMin][2]; - eBot_dsb = (GLint) VB->SecondaryColorPtr->data[vMid][2] - - (GLint) VB->SecondaryColorPtr->data[vMin][2]; + eMaj_dsb = (GLint) vMax->specular[2] + - (GLint) vMin->specular[2]; + eBot_dsb = (GLint) vMid->specular[2] + - (GLint) vMin->specular[2]; dsbdx = oneOverArea * (eMaj_dsb * eBot.dy - eMaj.dy * eBot_dsb); fdsbdx = SignedFloatToFixed(dsbdx); dsbdy = oneOverArea * (eMaj.dx * eBot_dsb - eMaj_dsb * eBot.dx); @@ -385,10 +384,10 @@ #ifdef INTERP_ALPHA { GLfloat eMaj_da, eBot_da; - eMaj_da = (GLint) VB->ColorPtr->data[vMax][3] - - (GLint) VB->ColorPtr->data[vMin][3]; - eBot_da = (GLint) VB->ColorPtr->data[vMid][3] - - (GLint) VB->ColorPtr->data[vMin][3]; + eMaj_da = (GLint) vMax->color[3] + - (GLint) vMin->color[3]; + eBot_da = (GLint) vMid->color[3] + - (GLint) vMin->color[3]; dadx = oneOverArea * (eMaj_da * eBot.dy - eMaj.dy * eBot_da); fdadx = SignedFloatToFixed(dadx); dady = oneOverArea * (eMaj.dx * eBot_da - eMaj_da * eBot.dx); @@ -397,10 +396,10 @@ #ifdef INTERP_INDEX { GLfloat eMaj_di, eBot_di; - eMaj_di = (GLint) VB->IndexPtr->data[vMax] - - (GLint) VB->IndexPtr->data[vMin]; - eBot_di = (GLint) VB->IndexPtr->data[vMid] - - (GLint) VB->IndexPtr->data[vMin]; + eMaj_di = (GLint) vMax->index + - (GLint) vMin->index; + eBot_di = (GLint) vMid->index + - (GLint) vMin->index; didx = oneOverArea * (eMaj_di * eBot.dy - eMaj.dy * eBot_di); fdidx = SignedFloatToFixed(didx); didy = oneOverArea * (eMaj.dx * eBot_di - eMaj_di * eBot.dx); @@ -409,150 +408,94 @@ #ifdef INTERP_INT_TEX { GLfloat eMaj_ds, eBot_ds; - eMaj_ds = (VB->TexCoordPtr[0]->data[vMax][0] - - VB->TexCoordPtr[0]->data[vMin][0]) * S_SCALE; - eBot_ds = (VB->TexCoordPtr[0]->data[vMid][0] - - VB->TexCoordPtr[0]->data[vMin][0]) * S_SCALE; + eMaj_ds = (vMax->texcoord[0][0] - vMin->texcoord[0][0]) * S_SCALE; + eBot_ds = (vMid->texcoord[0][0] - vMin->texcoord[0][0]) * S_SCALE; dsdx = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds); fdsdx = SignedFloatToFixed(dsdx); dsdy = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx); } - if (VB->TexCoordPtr[0]->size > 1) { + { GLfloat eMaj_dt, eBot_dt; - eMaj_dt = (VB->TexCoordPtr[0]->data[vMax][1] - - VB->TexCoordPtr[0]->data[vMin][1]) * T_SCALE; - eBot_dt = (VB->TexCoordPtr[0]->data[vMid][1] - - VB->TexCoordPtr[0]->data[vMin][1]) * T_SCALE; + eMaj_dt = (vMax->texcoord[0][1] - vMin->texcoord[0][1]) * T_SCALE; + eBot_dt = (vMid->texcoord[0][1] - vMin->texcoord[0][1]) * T_SCALE; dtdx = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt); fdtdx = SignedFloatToFixed(dtdx); dtdy = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx); } - else { - dtdx = 0; - fdtdx = SignedFloatToFixed(dtdx); - dtdy = 0; - } #endif #ifdef INTERP_TEX { - GLfloat wMax = VB->Win.data[vMax][3]; - GLfloat wMin = VB->Win.data[vMin][3]; - GLfloat wMid = VB->Win.data[vMid][3]; + GLfloat wMax = vMax->win[3]; + GLfloat wMin = vMin->win[3]; + GLfloat wMid = vMid->win[3]; GLfloat eMaj_ds, eBot_ds; GLfloat eMaj_dt, eBot_dt; GLfloat eMaj_du, eBot_du; GLfloat eMaj_dv, eBot_dv; - eMaj_ds = VB->TexCoordPtr[0]->data[vMax][0] * wMax - - VB->TexCoordPtr[0]->data[vMin][0] * wMin; - eBot_ds = VB->TexCoordPtr[0]->data[vMid][0] * wMid - - VB->TexCoordPtr[0]->data[vMin][0] * wMin; + eMaj_ds = vMax->texcoord[0][0] * wMax - vMin->texcoord[0][0] * wMin; + eBot_ds = vMid->texcoord[0][0] * wMid - vMin->texcoord[0][0] * wMin; dsdx = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds); dsdy = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx); - if (VB->TexCoordPtr[0]->size > 1) { - eMaj_dt = VB->TexCoordPtr[0]->data[vMax][1] * wMax - - VB->TexCoordPtr[0]->data[vMin][1] * wMin; - eBot_dt = VB->TexCoordPtr[0]->data[vMid][1] * wMid - - VB->TexCoordPtr[0]->data[vMin][1] * wMin; - dtdx = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt); - dtdy = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx); - } - else { - dtdx = 0; - dtdy = 0; - } + eMaj_dt = vMax->texcoord[0][1] * wMax - vMin->texcoord[0][1] * wMin; + eBot_dt = vMid->texcoord[0][1] * wMid - vMin->texcoord[0][1] * wMin; + dtdx = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt); + dtdy = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx); + + eMaj_du = vMax->texcoord[0][2] * wMax - vMin->texcoord[0][2] * wMin; + eBot_du = vMid->texcoord[0][2] * wMid - vMin->texcoord[0][2] * wMin; + dudx = oneOverArea * (eMaj_du * eBot.dy - eMaj.dy * eBot_du); + dudy = oneOverArea * (eMaj.dx * eBot_du - eMaj_du * eBot.dx); - if (VB->TexCoordPtr[0]->size > 2) { - eMaj_du = VB->TexCoordPtr[0]->data[vMax][2] * wMax - - VB->TexCoordPtr[0]->data[vMin][2] * wMin; - eBot_du = VB->TexCoordPtr[0]->data[vMid][2] * wMid - - VB->TexCoordPtr[0]->data[vMin][2] * wMin; - dudx = oneOverArea * (eMaj_du * eBot.dy - eMaj.dy * eBot_du); - dudy = oneOverArea * (eMaj.dx * eBot_du - eMaj_du * eBot.dx); - } - else { - dudx = 0; - dudy = 0; - } - if (VB->TexCoordPtr[0]->size > 3) { - eMaj_dv = VB->TexCoordPtr[0]->data[vMax][3] * wMax - - VB->TexCoordPtr[0]->data[vMin][3] * wMin; - eBot_dv = VB->TexCoordPtr[0]->data[vMid][3] * wMid - - VB->TexCoordPtr[0]->data[vMin][3] * wMin; - dvdx = oneOverArea * (eMaj_dv * eBot.dy - eMaj.dy * eBot_dv); - dvdy = oneOverArea * (eMaj.dx * eBot_dv - eMaj_dv * eBot.dx); - } - else { - eMaj_dv = wMax - wMin; - eBot_dv = wMid - wMin; - dvdx = oneOverArea * (eMaj_dv * eBot.dy - eMaj.dy * eBot_dv); - dvdy = oneOverArea * (eMaj.dx * eBot_dv - eMaj_dv * eBot.dx); - } + eMaj_dv = vMax->texcoord[0][3] * wMax - vMin->texcoord[0][3] * wMin; + eBot_dv = vMid->texcoord[0][3] * wMid - vMin->texcoord[0][3] * wMin; + dvdx = oneOverArea * (eMaj_dv * eBot.dy - eMaj.dy * eBot_dv); + dvdy = oneOverArea * (eMaj.dx * eBot_dv - eMaj_dv * eBot.dx); } #endif #ifdef INTERP_MULTITEX { - GLfloat wMax = VB->Win.data[vMax][3]; - GLfloat wMin = VB->Win.data[vMin][3]; - GLfloat wMid = VB->Win.data[vMid][3]; + GLfloat wMax = vMax->win[3]; + GLfloat wMin = vMin->win[3]; + GLfloat wMid = vMid->win[3]; GLuint u; for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u].ReallyEnabled) { + if (ctx->Texture.Unit[u]._ReallyEnabled) { GLfloat eMaj_ds, eBot_ds; GLfloat eMaj_dt, eBot_dt; GLfloat eMaj_du, eBot_du; GLfloat eMaj_dv, eBot_dv; - eMaj_ds = VB->TexCoordPtr[u]->data[vMax][0] * wMax - - VB->TexCoordPtr[u]->data[vMin][0] * wMin; - eBot_ds = VB->TexCoordPtr[u]->data[vMid][0] * wMid - - VB->TexCoordPtr[u]->data[vMin][0] * wMin; + eMaj_ds = vMax->texcoord[u][0] * wMax + - vMin->texcoord[u][0] * wMin; + eBot_ds = vMid->texcoord[u][0] * wMid + - vMin->texcoord[u][0] * wMin; dsdx[u] = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds); dsdy[u] = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx); - if (VB->TexCoordPtr[u]->size > 1) { - eMaj_dt = VB->TexCoordPtr[u]->data[vMax][1] * wMax - - VB->TexCoordPtr[u]->data[vMin][1] * wMin; - eBot_dt = VB->TexCoordPtr[u]->data[vMid][1] * wMid - - VB->TexCoordPtr[u]->data[vMin][1] * wMin; - dtdx[u] = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt); - dtdy[u] = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx); - } - else { - dtdx[u] = 0.0; - dtdy[u] = 0.0; - } - - if (VB->TexCoordPtr[u]->size > 2) { - eMaj_du = VB->TexCoordPtr[u]->data[vMax][2] * wMax - - VB->TexCoordPtr[u]->data[vMin][2] * wMin; - eBot_du = VB->TexCoordPtr[u]->data[vMid][2] * wMid - - VB->TexCoordPtr[u]->data[vMin][2] * wMin; - dudx[u] = oneOverArea * (eMaj_du * eBot.dy - eMaj.dy * eBot_du); - dudy[u] = oneOverArea * (eMaj.dx * eBot_du - eMaj_du * eBot.dx); - } - else { - dudx[u] = 0.0; - dudy[u] = 0.0; - } - - if (VB->TexCoordPtr[u]->size > 3) { - eMaj_dv = VB->TexCoordPtr[u]->data[vMax][3] * wMax - - VB->TexCoordPtr[u]->data[vMin][3] * wMin; - eBot_dv = VB->TexCoordPtr[u]->data[vMid][3] * wMid - - VB->TexCoordPtr[u]->data[vMin][3] * wMin; - dvdx[u] = oneOverArea * (eMaj_dv * eBot.dy - eMaj.dy * eBot_dv); - dvdy[u] = oneOverArea * (eMaj.dx * eBot_dv - eMaj_dv * eBot.dx); - } - else { - eMaj_dv = wMax - wMin; - eBot_dv = wMid - wMin; - dvdx[u] = oneOverArea * (eMaj_dv * eBot.dy - eMaj.dy * eBot_dv); - dvdy[u] = oneOverArea * (eMaj.dx * eBot_dv - eMaj_dv * eBot.dx); - } + eMaj_dt = vMax->texcoord[u][1] * wMax + - vMin->texcoord[u][1] * wMin; + eBot_dt = vMid->texcoord[u][1] * wMid + - vMin->texcoord[u][1] * wMin; + dtdx[u] = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt); + dtdy[u] = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx); + + eMaj_du = vMax->texcoord[u][2] * wMax + - vMin->texcoord[u][2] * wMin; + eBot_du = vMid->texcoord[u][2] * wMid + - vMin->texcoord[u][2] * wMin; + dudx[u] = oneOverArea * (eMaj_du * eBot.dy - eMaj.dy * eBot_du); + dudy[u] = oneOverArea * (eMaj.dx * eBot_du - eMaj_du * eBot.dx); + + eMaj_dv = vMax->texcoord[u][3] * wMax + - vMin->texcoord[u][3] * wMin; + eBot_dv = vMid->texcoord[u][3] * wMid + - vMin->texcoord[u][3] * wMin; + dvdx[u] = oneOverArea * (eMaj_dv * eBot.dy - eMaj.dy * eBot_dv); + dvdy[u] = oneOverArea * (eMaj.dx * eBot_dv - eMaj_dv * eBot.dx); } } } @@ -707,7 +650,7 @@ } if (setupLeft && eLeft->lines > 0) { - GLint vLower; + SWvertex *vLower; GLfixed fsx = eLeft->fsx; fx = FixedCeil(fsx); fError = fx - fsx - FIXED_ONE; @@ -749,7 +692,7 @@ #ifdef INTERP_Z { - GLfloat z0 = VB->Win.data[vLower][2] + ctx->PolygonZoffset; + GLfloat z0 = vLower->win[2]; if (depthBits <= 16) { /* interpolate fixed-pt values */ GLfloat tmp = (z0 * FIXED_SCALE + @@ -770,95 +713,71 @@ dZRowOuter = (ctx->DrawBuffer->Width + idxOuter) * sizeof(DEPTH_TYPE); # endif } - ffog = FloatToFixed(VB->FogCoordPtr->data[vLower]) * 256 + dfogdx * adjx + dfogdy * adjy + FIXED_HALF; + ffog = FloatToFixed(vLower->fog) * 256 + dfogdx * adjx + dfogdy * adjy + FIXED_HALF; fdfogOuter = SignedFloatToFixed(dfogdy + dxOuter * dfogdx); #endif #ifdef INTERP_RGB - fr = (GLfixed)(IntToFixed(VB->ColorPtr->data[vLower][0]) + fr = (GLfixed)(IntToFixed(vLower->color[0]) + drdx * adjx + drdy * adjy) + FIXED_HALF; fdrOuter = SignedFloatToFixed(drdy + dxOuter * drdx); - fg = (GLfixed)(IntToFixed(VB->ColorPtr->data[vLower][1]) + fg = (GLfixed)(IntToFixed(vLower->color[1]) + dgdx * adjx + dgdy * adjy) + FIXED_HALF; fdgOuter = SignedFloatToFixed(dgdy + dxOuter * dgdx); - fb = (GLfixed)(IntToFixed(VB->ColorPtr->data[vLower][2]) + fb = (GLfixed)(IntToFixed(vLower->color[2]) + dbdx * adjx + dbdy * adjy) + FIXED_HALF; fdbOuter = SignedFloatToFixed(dbdy + dxOuter * dbdx); #endif #ifdef INTERP_SPEC - fsr = (GLfixed)(IntToFixed(VB->SecondaryColorPtr->data[vLower][0]) + fsr = (GLfixed)(IntToFixed(vLower->specular[0]) + dsrdx * adjx + dsrdy * adjy) + FIXED_HALF; fdsrOuter = SignedFloatToFixed(dsrdy + dxOuter * dsrdx); - fsg = (GLfixed)(IntToFixed(VB->SecondaryColorPtr->data[vLower][1]) + fsg = (GLfixed)(IntToFixed(vLower->specular[1]) + dsgdx * adjx + dsgdy * adjy) + FIXED_HALF; fdsgOuter = SignedFloatToFixed(dsgdy + dxOuter * dsgdx); - fsb = (GLfixed)(IntToFixed(VB->SecondaryColorPtr->data[vLower][2]) + fsb = (GLfixed)(IntToFixed(vLower->specular[2]) + dsbdx * adjx + dsbdy * adjy) + FIXED_HALF; fdsbOuter = SignedFloatToFixed(dsbdy + dxOuter * dsbdx); #endif #ifdef INTERP_ALPHA - fa = (GLfixed)(IntToFixed(VB->ColorPtr->data[vLower][3]) + fa = (GLfixed)(IntToFixed(vLower->color[3]) + dadx * adjx + dady * adjy) + FIXED_HALF; fdaOuter = SignedFloatToFixed(dady + dxOuter * dadx); #endif #ifdef INTERP_INDEX - fi = (GLfixed)(VB->IndexPtr->data[vLower] * FIXED_SCALE + fi = (GLfixed)(vLower->index * FIXED_SCALE + didx * adjx + didy * adjy) + FIXED_HALF; fdiOuter = SignedFloatToFixed(didy + dxOuter * didx); #endif #ifdef INTERP_INT_TEX { GLfloat s0, t0; - s0 = VB->TexCoordPtr[0]->data[vLower][0] * S_SCALE; + s0 = vLower->texcoord[0][0] * S_SCALE; fs = (GLfixed)(s0 * FIXED_SCALE + dsdx * adjx + dsdy * adjy) + FIXED_HALF; fdsOuter = SignedFloatToFixed(dsdy + dxOuter * dsdx); - if (VB->TexCoordPtr[0]->size > 1) - { - t0 = VB->TexCoordPtr[0]->data[vLower][1] * T_SCALE; - ft = (GLfixed)(t0 * FIXED_SCALE + dtdx * adjx + dtdy * adjy) + FIXED_HALF; - fdtOuter = SignedFloatToFixed(dtdy + dxOuter * dtdx); - } - else - { - t0 = 0; - ft = (GLfixed) FIXED_HALF; - fdtOuter = SignedFloatToFixed(0); - } + t0 = vLower->texcoord[0][1] * T_SCALE; + ft = (GLfixed)(t0 * FIXED_SCALE + dtdx * adjx + dtdy * adjy) + FIXED_HALF; + fdtOuter = SignedFloatToFixed(dtdy + dxOuter * dtdx); } #endif #ifdef INTERP_TEX { - GLfloat invW = VB->Win.data[vLower][3]; + GLfloat invW = vLower->win[3]; GLfloat s0, t0, u0, v0; - s0 = VB->TexCoordPtr[0]->data[vLower][0] * invW; + s0 = vLower->texcoord[0][0] * invW; sLeft = s0 + (dsdx * adjx + dsdy * adjy) * (1.0F/FIXED_SCALE); dsOuter = dsdy + dxOuter * dsdx; - if (VB->TexCoordPtr[0]->size > 1) { - t0 = VB->TexCoordPtr[0]->data[vLower][1] * invW; - tLeft = t0 + (dtdx * adjx + dtdy * adjy) * (1.0F/FIXED_SCALE); - dtOuter = dtdy + dxOuter * dtdx; - } - else { - tLeft = dtOuter = 0.0; - } - if (VB->TexCoordPtr[0]->size > 2) { - u0 = VB->TexCoordPtr[0]->data[vLower][2] * invW; - uLeft = u0 + (dudx * adjx + dudy * adjy) * (1.0F/FIXED_SCALE); - duOuter = dudy + dxOuter * dudx; - } - else { - uLeft = duOuter = 0.0; - } - if (VB->TexCoordPtr[0]->size > 3) { - v0 = VB->TexCoordPtr[0]->data[vLower][3] * invW; - } - else { - v0 = invW; - } + t0 = vLower->texcoord[0][1] * invW; + tLeft = t0 + (dtdx * adjx + dtdy * adjy) * (1.0F/FIXED_SCALE); + dtOuter = dtdy + dxOuter * dtdx; + u0 = vLower->texcoord[0][2] * invW; + uLeft = u0 + (dudx * adjx + dudy * adjy) * (1.0F/FIXED_SCALE); + duOuter = dudy + dxOuter * dudx; + v0 = vLower->texcoord[0][3] * invW; vLeft = v0 + (dvdx * adjx + dvdy * adjy) * (1.0F/FIXED_SCALE); dvOuter = dvdy + dxOuter * dvdx; } @@ -867,34 +786,19 @@ { GLuint u; for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u].ReallyEnabled) { - GLfloat invW = VB->Win.data[vLower][3]; + if (ctx->Texture.Unit[u]._ReallyEnabled) { + GLfloat invW = vLower->win[3]; GLfloat s0, t0, u0, v0; - s0 = VB->TexCoordPtr[u]->data[vLower][0] * invW; + s0 = vLower->texcoord[u][0] * invW; sLeft[u] = s0 + (dsdx[u] * adjx + dsdy[u] * adjy) * (1.0F/FIXED_SCALE); dsOuter[u] = dsdy[u] + dxOuter * dsdx[u]; - if (VB->TexCoordPtr[u]->size > 1) { - t0 = VB->TexCoordPtr[u]->data[vLower][1] * invW; - tLeft[u] = t0 + (dtdx[u] * adjx + dtdy[u] * adjy) * (1.0F/FIXED_SCALE); - dtOuter[u] = dtdy[u] + dxOuter * dtdx[u]; - } - else { - tLeft[u] = dtOuter[u] = 0.0; - } - if (VB->TexCoordPtr[u]->size > 2) { - u0 = VB->TexCoordPtr[u]->data[vLower][2] * invW; - uLeft[u] = u0 + (dudx[u] * adjx + dudy[u] * adjy) * (1.0F/FIXED_SCALE); - duOuter[u] = dudy[u] + dxOuter * dudx[u]; - } - else { - uLeft[u] = duOuter[u] = 0.0; - } - if (VB->TexCoordPtr[u]->size > 3) { - v0 = VB->TexCoordPtr[u]->data[vLower][3] * invW; - } - else { - v0 = invW; - } + t0 = vLower->texcoord[u][1] * invW; + tLeft[u] = t0 + (dtdx[u] * adjx + dtdy[u] * adjy) * (1.0F/FIXED_SCALE); + dtOuter[u] = dtdy[u] + dxOuter * dtdx[u]; + u0 = vLower->texcoord[u][2] * invW; + uLeft[u] = u0 + (dudx[u] * adjx + dudy[u] * adjy) * (1.0F/FIXED_SCALE); + duOuter[u] = dudy[u] + dxOuter * dudx[u]; + v0 = vLower->texcoord[u][3] * invW; vLeft[u] = v0 + (dvdx[u] * adjx + dvdy[u] * adjy) * (1.0F/FIXED_SCALE); dvOuter[u] = dvdy[u] + dxOuter * dvdx[u]; } @@ -956,7 +860,7 @@ { GLuint u; for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u].ReallyEnabled) { + if (ctx->Texture.Unit[u]._ReallyEnabled) { dsInner[u] = dsOuter[u] + dsdx[u]; dtInner[u] = dtOuter[u] + dtdx[u]; duInner[u] = duOuter[u] + dudx[u]; @@ -1001,7 +905,7 @@ { GLuint u; for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u].ReallyEnabled) { + if (ctx->Texture.Unit[u]._ReallyEnabled) { ss[u] = sLeft[u]; tt[u] = tLeft[u]; uu[u] = uLeft[u]; @@ -1103,7 +1007,7 @@ { GLuint u; for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u].ReallyEnabled) { + if (ctx->Texture.Unit[u]._ReallyEnabled) { sLeft[u] += dsOuter[u]; tLeft[u] += dtOuter[u]; uLeft[u] += duOuter[u]; @@ -1149,7 +1053,7 @@ { GLuint u; for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u].ReallyEnabled) { + if (ctx->Texture.Unit[u]._ReallyEnabled) { sLeft[u] += dsInner[u]; tLeft[u] += dtInner[u]; uLeft[u] += duInner[u]; -- cgit v1.2.3