X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fswrast%2Fs_tritemp.h;h=4dc42a80a729a16594a89c1fb810870a731f6f51;hb=34fe561895bed253070b7dadaa86b4473ad7b51a;hp=cded4a6c1c414a1715f66b365efe8162a06bfec6;hpb=4f1c9f7e510122b32c82ee9adbdb4987dae27afe;p=mesa.git diff --git a/src/mesa/swrast/s_tritemp.h b/src/mesa/swrast/s_tritemp.h index cded4a6c1c4..4dc42a80a72 100644 --- a/src/mesa/swrast/s_tritemp.h +++ b/src/mesa/swrast/s_tritemp.h @@ -1,6 +1,5 @@ /* * Mesa 3-D graphics library - * Version: 7.0 * * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * @@ -17,9 +16,10 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. */ /* @@ -32,7 +32,6 @@ * INTERP_Z - if defined, interpolate integer Z values * INTERP_RGB - if defined, interpolate integer RGB values * INTERP_ALPHA - if defined, interpolate integer Alpha values - * INTERP_INDEX - if defined, interpolate color index values * INTERP_INT_TEX - if defined, interpolate integer ST texcoords * (fast, simple 2-D texture mapping, without * perspective correction) @@ -91,6 +90,12 @@ * SUB_PIXEL_BITS. */ +#include "util/u_math.h" + +#ifndef MAX_GLUINT +#define MAX_GLUINT 0xffffffffu +#endif + /* * Some code we unfortunately need to prevent negative interpolated colors. @@ -109,7 +114,7 @@ do { \ #endif -static void NAME(GLcontext *ctx, const SWvertex *v0, +static void NAME(struct gl_context *ctx, const SWvertex *v0, const SWvertex *v1, const SWvertex *v2 ) { @@ -152,28 +157,28 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #endif /* - printf("%s()\n", __FUNCTION__); + printf("%s()\n", __func__); printf(" %g, %g, %g\n", - v0->attrib[FRAG_ATTRIB_WPOS][0], - v0->attrib[FRAG_ATTRIB_WPOS][1], - v0->attrib[FRAG_ATTRIB_WPOS][2]); + v0->attrib[VARYING_SLOT_POS][0], + v0->attrib[VARYING_SLOT_POS][1], + v0->attrib[VARYING_SLOT_POS][2]); printf(" %g, %g, %g\n", - v1->attrib[FRAG_ATTRIB_WPOS][0], - v1->attrib[FRAG_ATTRIB_WPOS][1], - v1->attrib[FRAG_ATTRIB_WPOS][2]); + v1->attrib[VARYING_SLOT_POS][0], + v1->attrib[VARYING_SLOT_POS][1], + v1->attrib[VARYING_SLOT_POS][2]); printf(" %g, %g, %g\n", - v2->attrib[FRAG_ATTRIB_WPOS][0], - v2->attrib[FRAG_ATTRIB_WPOS][1], - v2->attrib[FRAG_ATTRIB_WPOS][2]); + v2->attrib[VARYING_SLOT_POS][0], + v2->attrib[VARYING_SLOT_POS][1], + v2->attrib[VARYING_SLOT_POS][2]); */ /* Compute fixed point x,y coords w/ half-pixel offsets and snapping. * And find the order of the 3 vertices along the Y axis. */ { - const GLfixed fy0 = FloatToFixed(v0->attrib[FRAG_ATTRIB_WPOS][1] - 0.5F) & snapMask; - const GLfixed fy1 = FloatToFixed(v1->attrib[FRAG_ATTRIB_WPOS][1] - 0.5F) & snapMask; - const GLfixed fy2 = FloatToFixed(v2->attrib[FRAG_ATTRIB_WPOS][1] - 0.5F) & snapMask; + const GLfixed fy0 = FloatToFixed(v0->attrib[VARYING_SLOT_POS][1] - 0.5F) & snapMask; + const GLfixed fy1 = FloatToFixed(v1->attrib[VARYING_SLOT_POS][1] - 0.5F) & snapMask; + const GLfixed fy2 = FloatToFixed(v2->attrib[VARYING_SLOT_POS][1] - 0.5F) & snapMask; if (fy0 <= fy1) { if (fy1 <= fy2) { /* y0 <= y1 <= y2 */ @@ -213,9 +218,9 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, } /* fixed point X coords */ - vMin_fx = FloatToFixed(vMin->attrib[FRAG_ATTRIB_WPOS][0] + 0.5F) & snapMask; - vMid_fx = FloatToFixed(vMid->attrib[FRAG_ATTRIB_WPOS][0] + 0.5F) & snapMask; - vMax_fx = FloatToFixed(vMax->attrib[FRAG_ATTRIB_WPOS][0] + 0.5F) & snapMask; + vMin_fx = FloatToFixed(vMin->attrib[VARYING_SLOT_POS][0] + 0.5F) & snapMask; + vMid_fx = FloatToFixed(vMid->attrib[VARYING_SLOT_POS][0] + 0.5F) & snapMask; + vMax_fx = FloatToFixed(vMax->attrib[VARYING_SLOT_POS][0] + 0.5F) & snapMask; } /* vertex/edge relationship */ @@ -234,18 +239,18 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, /* compute area, oneOverArea and perform backface culling */ { const GLfloat area = eMaj.dx * eBot.dy - eBot.dx * eMaj.dy; - /* Do backface culling */ - if (area * bf < 0.0) + + if (util_is_inf_or_nan(area) || area == 0.0F) return; - if (IS_INF_OR_NAN(area) || area == 0.0F) + if (area * bf * swrast->_BackfaceCullSign < 0.0F) return; oneOverArea = 1.0F / area; - } - - span.facing = ctx->_Facing; /* for 2-sided stencil test */ + /* 0 = front, 1 = back */ + span.facing = oneOverArea * bf > 0.0F; + } /* Edge setup. For a triangle strip these could be reused... */ { @@ -319,9 +324,6 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, { GLint scan_from_left_to_right; /* true if scanning left-to-right */ -#ifdef INTERP_INDEX - GLfloat didx, didy; -#endif /* * Execute user-supplied setup code @@ -337,22 +339,22 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #ifdef INTERP_Z span.interpMask |= SPAN_Z; { - GLfloat eMaj_dz = vMax->attrib[FRAG_ATTRIB_WPOS][2] - vMin->attrib[FRAG_ATTRIB_WPOS][2]; - GLfloat eBot_dz = vMid->attrib[FRAG_ATTRIB_WPOS][2] - vMin->attrib[FRAG_ATTRIB_WPOS][2]; - span.attrStepX[FRAG_ATTRIB_WPOS][2] = oneOverArea * (eMaj_dz * eBot.dy - eMaj.dy * eBot_dz); - if (span.attrStepX[FRAG_ATTRIB_WPOS][2] > maxDepth || - span.attrStepX[FRAG_ATTRIB_WPOS][2] < -maxDepth) { + GLfloat eMaj_dz = vMax->attrib[VARYING_SLOT_POS][2] - vMin->attrib[VARYING_SLOT_POS][2]; + GLfloat eBot_dz = vMid->attrib[VARYING_SLOT_POS][2] - vMin->attrib[VARYING_SLOT_POS][2]; + span.attrStepX[VARYING_SLOT_POS][2] = oneOverArea * (eMaj_dz * eBot.dy - eMaj.dy * eBot_dz); + if (span.attrStepX[VARYING_SLOT_POS][2] > maxDepth || + span.attrStepX[VARYING_SLOT_POS][2] < -maxDepth) { /* probably a sliver triangle */ - span.attrStepX[FRAG_ATTRIB_WPOS][2] = 0.0; - span.attrStepY[FRAG_ATTRIB_WPOS][2] = 0.0; + span.attrStepX[VARYING_SLOT_POS][2] = 0.0; + span.attrStepY[VARYING_SLOT_POS][2] = 0.0; } else { - span.attrStepY[FRAG_ATTRIB_WPOS][2] = oneOverArea * (eMaj.dx * eBot_dz - eMaj_dz * eBot.dx); + span.attrStepY[VARYING_SLOT_POS][2] = oneOverArea * (eMaj.dx * eBot_dz - eMaj_dz * eBot.dx); } if (depthBits <= 16) - span.zStep = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_WPOS][2]); + span.zStep = SignedFloatToFixed(span.attrStepX[VARYING_SLOT_POS][2]); else - span.zStep = (GLint) span.attrStepX[FRAG_ATTRIB_WPOS][2]; + span.zStep = (GLint) span.attrStepX[VARYING_SLOT_POS][2]; } #endif #ifdef INTERP_RGB @@ -368,76 +370,61 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, GLfloat eMaj_da = (GLfloat) (vMax->color[ACOMP] - vMin->color[ACOMP]); GLfloat eBot_da = (GLfloat) (vMid->color[ACOMP] - vMin->color[ACOMP]); # endif - span.attrStepX[FRAG_ATTRIB_COL0][0] = oneOverArea * (eMaj_dr * eBot.dy - eMaj.dy * eBot_dr); - span.attrStepY[FRAG_ATTRIB_COL0][0] = oneOverArea * (eMaj.dx * eBot_dr - eMaj_dr * eBot.dx); - span.attrStepX[FRAG_ATTRIB_COL0][1] = oneOverArea * (eMaj_dg * eBot.dy - eMaj.dy * eBot_dg); - span.attrStepY[FRAG_ATTRIB_COL0][1] = oneOverArea * (eMaj.dx * eBot_dg - eMaj_dg * eBot.dx); - span.attrStepX[FRAG_ATTRIB_COL0][2] = oneOverArea * (eMaj_db * eBot.dy - eMaj.dy * eBot_db); - span.attrStepY[FRAG_ATTRIB_COL0][2] = oneOverArea * (eMaj.dx * eBot_db - eMaj_db * eBot.dx); - span.redStep = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_COL0][0]); - span.greenStep = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_COL0][1]); - span.blueStep = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_COL0][2]); + span.attrStepX[VARYING_SLOT_COL0][0] = oneOverArea * (eMaj_dr * eBot.dy - eMaj.dy * eBot_dr); + span.attrStepY[VARYING_SLOT_COL0][0] = oneOverArea * (eMaj.dx * eBot_dr - eMaj_dr * eBot.dx); + span.attrStepX[VARYING_SLOT_COL0][1] = oneOverArea * (eMaj_dg * eBot.dy - eMaj.dy * eBot_dg); + span.attrStepY[VARYING_SLOT_COL0][1] = oneOverArea * (eMaj.dx * eBot_dg - eMaj_dg * eBot.dx); + span.attrStepX[VARYING_SLOT_COL0][2] = oneOverArea * (eMaj_db * eBot.dy - eMaj.dy * eBot_db); + span.attrStepY[VARYING_SLOT_COL0][2] = oneOverArea * (eMaj.dx * eBot_db - eMaj_db * eBot.dx); + span.redStep = SignedFloatToFixed(span.attrStepX[VARYING_SLOT_COL0][0]); + span.greenStep = SignedFloatToFixed(span.attrStepX[VARYING_SLOT_COL0][1]); + span.blueStep = SignedFloatToFixed(span.attrStepX[VARYING_SLOT_COL0][2]); # ifdef INTERP_ALPHA - span.attrStepX[FRAG_ATTRIB_COL0][3] = oneOverArea * (eMaj_da * eBot.dy - eMaj.dy * eBot_da); - span.attrStepY[FRAG_ATTRIB_COL0][3] = oneOverArea * (eMaj.dx * eBot_da - eMaj_da * eBot.dx); - span.alphaStep = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_COL0][3]); + span.attrStepX[VARYING_SLOT_COL0][3] = oneOverArea * (eMaj_da * eBot.dy - eMaj.dy * eBot_da); + span.attrStepY[VARYING_SLOT_COL0][3] = oneOverArea * (eMaj.dx * eBot_da - eMaj_da * eBot.dx); + span.alphaStep = SignedFloatToFixed(span.attrStepX[VARYING_SLOT_COL0][3]); # endif /* INTERP_ALPHA */ } else { - ASSERT(ctx->Light.ShadeModel == GL_FLAT); + assert(ctx->Light.ShadeModel == GL_FLAT); span.interpMask |= SPAN_FLAT; - span.attrStepX[FRAG_ATTRIB_COL0][0] = span.attrStepY[FRAG_ATTRIB_COL0][0] = 0.0F; - span.attrStepX[FRAG_ATTRIB_COL0][1] = span.attrStepY[FRAG_ATTRIB_COL0][1] = 0.0F; - span.attrStepX[FRAG_ATTRIB_COL0][2] = span.attrStepY[FRAG_ATTRIB_COL0][2] = 0.0F; + span.attrStepX[VARYING_SLOT_COL0][0] = span.attrStepY[VARYING_SLOT_COL0][0] = 0.0F; + span.attrStepX[VARYING_SLOT_COL0][1] = span.attrStepY[VARYING_SLOT_COL0][1] = 0.0F; + span.attrStepX[VARYING_SLOT_COL0][2] = span.attrStepY[VARYING_SLOT_COL0][2] = 0.0F; span.redStep = 0; span.greenStep = 0; span.blueStep = 0; # ifdef INTERP_ALPHA - span.attrStepX[FRAG_ATTRIB_COL0][3] = span.attrStepY[FRAG_ATTRIB_COL0][3] = 0.0F; + span.attrStepX[VARYING_SLOT_COL0][3] = span.attrStepY[VARYING_SLOT_COL0][3] = 0.0F; span.alphaStep = 0; # endif } #endif /* INTERP_RGB */ -#ifdef INTERP_INDEX - span.interpMask |= SPAN_INDEX; - if (ctx->Light.ShadeModel == GL_SMOOTH) { - GLfloat eMaj_di = vMax->attrib[FRAG_ATTRIB_CI][0] - vMin->attrib[FRAG_ATTRIB_CI][0]; - GLfloat eBot_di = vMid->attrib[FRAG_ATTRIB_CI][0] - vMin->attrib[FRAG_ATTRIB_CI][0]; - didx = oneOverArea * (eMaj_di * eBot.dy - eMaj.dy * eBot_di); - didy = oneOverArea * (eMaj.dx * eBot_di - eMaj_di * eBot.dx); - span.indexStep = SignedFloatToFixed(didx); - } - else { - span.interpMask |= SPAN_FLAT; - didx = didy = 0.0F; - span.indexStep = 0; - } -#endif #ifdef INTERP_INT_TEX { - GLfloat eMaj_ds = (vMax->attrib[FRAG_ATTRIB_TEX0][0] - vMin->attrib[FRAG_ATTRIB_TEX0][0]) * S_SCALE; - GLfloat eBot_ds = (vMid->attrib[FRAG_ATTRIB_TEX0][0] - vMin->attrib[FRAG_ATTRIB_TEX0][0]) * S_SCALE; - GLfloat eMaj_dt = (vMax->attrib[FRAG_ATTRIB_TEX0][1] - vMin->attrib[FRAG_ATTRIB_TEX0][1]) * T_SCALE; - GLfloat eBot_dt = (vMid->attrib[FRAG_ATTRIB_TEX0][1] - vMin->attrib[FRAG_ATTRIB_TEX0][1]) * T_SCALE; - span.attrStepX[FRAG_ATTRIB_TEX0][0] = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds); - span.attrStepY[FRAG_ATTRIB_TEX0][0] = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx); - span.attrStepX[FRAG_ATTRIB_TEX0][1] = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt); - span.attrStepY[FRAG_ATTRIB_TEX0][1] = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx); - span.intTexStep[0] = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_TEX0][0]); - span.intTexStep[1] = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_TEX0][1]); + GLfloat eMaj_ds = (vMax->attrib[VARYING_SLOT_TEX0][0] - vMin->attrib[VARYING_SLOT_TEX0][0]) * S_SCALE; + GLfloat eBot_ds = (vMid->attrib[VARYING_SLOT_TEX0][0] - vMin->attrib[VARYING_SLOT_TEX0][0]) * S_SCALE; + GLfloat eMaj_dt = (vMax->attrib[VARYING_SLOT_TEX0][1] - vMin->attrib[VARYING_SLOT_TEX0][1]) * T_SCALE; + GLfloat eBot_dt = (vMid->attrib[VARYING_SLOT_TEX0][1] - vMin->attrib[VARYING_SLOT_TEX0][1]) * T_SCALE; + span.attrStepX[VARYING_SLOT_TEX0][0] = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds); + span.attrStepY[VARYING_SLOT_TEX0][0] = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx); + span.attrStepX[VARYING_SLOT_TEX0][1] = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt); + span.attrStepY[VARYING_SLOT_TEX0][1] = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx); + span.intTexStep[0] = SignedFloatToFixed(span.attrStepX[VARYING_SLOT_TEX0][0]); + span.intTexStep[1] = SignedFloatToFixed(span.attrStepX[VARYING_SLOT_TEX0][1]); } #endif #ifdef INTERP_ATTRIBS { - /* attrib[FRAG_ATTRIB_WPOS][3] is 1/W */ - const GLfloat wMax = vMax->attrib[FRAG_ATTRIB_WPOS][3]; - const GLfloat wMin = vMin->attrib[FRAG_ATTRIB_WPOS][3]; - const GLfloat wMid = vMid->attrib[FRAG_ATTRIB_WPOS][3]; + /* attrib[VARYING_SLOT_POS][3] is 1/W */ + const GLfloat wMax = vMax->attrib[VARYING_SLOT_POS][3]; + const GLfloat wMin = vMin->attrib[VARYING_SLOT_POS][3]; + const GLfloat wMid = vMid->attrib[VARYING_SLOT_POS][3]; { const GLfloat eMaj_dw = wMax - wMin; const GLfloat eBot_dw = wMid - wMin; - span.attrStepX[FRAG_ATTRIB_WPOS][3] = oneOverArea * (eMaj_dw * eBot.dy - eMaj.dy * eBot_dw); - span.attrStepY[FRAG_ATTRIB_WPOS][3] = oneOverArea * (eMaj.dx * eBot_dw - eMaj_dw * eBot.dx); + span.attrStepX[VARYING_SLOT_POS][3] = oneOverArea * (eMaj_dw * eBot.dy - eMaj.dy * eBot_dw); + span.attrStepY[VARYING_SLOT_POS][3] = oneOverArea * (eMaj.dx * eBot_dw - eMaj_dw * eBot.dx); } ATTRIB_LOOP_BEGIN if (swrast->_InterpMode[attr] == GL_FLAT) { @@ -531,17 +518,14 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #ifdef INTERP_ALPHA GLint aLeft = 0, fdaOuter = 0, fdaInner; #endif -#ifdef INTERP_INDEX - GLfixed iLeft=0, diOuter=0, diInner; -#endif #ifdef INTERP_INT_TEX GLfixed sLeft=0, dsOuter=0, dsInner; GLfixed tLeft=0, dtOuter=0, dtInner; #endif #ifdef INTERP_ATTRIBS GLfloat wLeft = 0, dwOuter = 0, dwInner; - GLfloat attrLeft[FRAG_ATTRIB_MAX][4]; - GLfloat daOuter[FRAG_ATTRIB_MAX][4], daInner[FRAG_ATTRIB_MAX][4]; + GLfloat attrLeft[VARYING_SLOT_MAX][4]; + GLfloat daOuter[VARYING_SLOT_MAX][4], daInner[VARYING_SLOT_MAX][4]; #endif for (subTriangle=0; subTriangle<=1; subTriangle++) { @@ -631,29 +615,29 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #ifdef INTERP_Z { - GLfloat z0 = vLower->attrib[FRAG_ATTRIB_WPOS][2]; + GLfloat z0 = vLower->attrib[VARYING_SLOT_POS][2]; if (depthBits <= 16) { /* interpolate fixed-pt values */ GLfloat tmp = (z0 * FIXED_SCALE - + span.attrStepX[FRAG_ATTRIB_WPOS][2] * adjx - + span.attrStepY[FRAG_ATTRIB_WPOS][2] * adjy) + FIXED_HALF; + + span.attrStepX[VARYING_SLOT_POS][2] * adjx + + span.attrStepY[VARYING_SLOT_POS][2] * adjy) + FIXED_HALF; if (tmp < MAX_GLUINT / 2) zLeft = (GLfixed) tmp; else zLeft = MAX_GLUINT / 2; - fdzOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_WPOS][2] + - dxOuter * span.attrStepX[FRAG_ATTRIB_WPOS][2]); + fdzOuter = SignedFloatToFixed(span.attrStepY[VARYING_SLOT_POS][2] + + dxOuter * span.attrStepX[VARYING_SLOT_POS][2]); } else { /* interpolate depth values w/out scaling */ - zLeft = (GLuint) (z0 + span.attrStepX[FRAG_ATTRIB_WPOS][2] * FixedToFloat(adjx) - + span.attrStepY[FRAG_ATTRIB_WPOS][2] * FixedToFloat(adjy)); - fdzOuter = (GLint) (span.attrStepY[FRAG_ATTRIB_WPOS][2] + - dxOuter * span.attrStepX[FRAG_ATTRIB_WPOS][2]); + zLeft = (GLuint) (z0 + span.attrStepX[VARYING_SLOT_POS][2] * FixedToFloat(adjx) + + span.attrStepY[VARYING_SLOT_POS][2] * FixedToFloat(adjy)); + fdzOuter = (GLint) (span.attrStepY[VARYING_SLOT_POS][2] + + dxOuter * span.attrStepX[VARYING_SLOT_POS][2]); } # ifdef DEPTH_TYPE zRow = (DEPTH_TYPE *) - zrb->GetPointer(ctx, zrb, FixedToInt(fxLeftEdge), span.y); + _swrast_pixel_address(zrb, FixedToInt(fxLeftEdge), span.y); dZRowOuter = (ctx->DrawBuffer->Width + idxOuter) * sizeof(DEPTH_TYPE); # endif } @@ -661,30 +645,30 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #ifdef INTERP_RGB if (ctx->Light.ShadeModel == GL_SMOOTH) { rLeft = (GLint)(ChanToFixed(vLower->color[RCOMP]) - + span.attrStepX[FRAG_ATTRIB_COL0][0] * adjx - + span.attrStepY[FRAG_ATTRIB_COL0][0] * adjy) + FIXED_HALF; + + span.attrStepX[VARYING_SLOT_COL0][0] * adjx + + span.attrStepY[VARYING_SLOT_COL0][0] * adjy) + FIXED_HALF; gLeft = (GLint)(ChanToFixed(vLower->color[GCOMP]) - + span.attrStepX[FRAG_ATTRIB_COL0][1] * adjx - + span.attrStepY[FRAG_ATTRIB_COL0][1] * adjy) + FIXED_HALF; + + span.attrStepX[VARYING_SLOT_COL0][1] * adjx + + span.attrStepY[VARYING_SLOT_COL0][1] * adjy) + FIXED_HALF; bLeft = (GLint)(ChanToFixed(vLower->color[BCOMP]) - + span.attrStepX[FRAG_ATTRIB_COL0][2] * adjx - + span.attrStepY[FRAG_ATTRIB_COL0][2] * adjy) + FIXED_HALF; - fdrOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_COL0][0] - + dxOuter * span.attrStepX[FRAG_ATTRIB_COL0][0]); - fdgOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_COL0][1] - + dxOuter * span.attrStepX[FRAG_ATTRIB_COL0][1]); - fdbOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_COL0][2] - + dxOuter * span.attrStepX[FRAG_ATTRIB_COL0][2]); + + span.attrStepX[VARYING_SLOT_COL0][2] * adjx + + span.attrStepY[VARYING_SLOT_COL0][2] * adjy) + FIXED_HALF; + fdrOuter = SignedFloatToFixed(span.attrStepY[VARYING_SLOT_COL0][0] + + dxOuter * span.attrStepX[VARYING_SLOT_COL0][0]); + fdgOuter = SignedFloatToFixed(span.attrStepY[VARYING_SLOT_COL0][1] + + dxOuter * span.attrStepX[VARYING_SLOT_COL0][1]); + fdbOuter = SignedFloatToFixed(span.attrStepY[VARYING_SLOT_COL0][2] + + dxOuter * span.attrStepX[VARYING_SLOT_COL0][2]); # ifdef INTERP_ALPHA aLeft = (GLint)(ChanToFixed(vLower->color[ACOMP]) - + span.attrStepX[FRAG_ATTRIB_COL0][3] * adjx - + span.attrStepY[FRAG_ATTRIB_COL0][3] * adjy) + FIXED_HALF; - fdaOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_COL0][3] - + dxOuter * span.attrStepX[FRAG_ATTRIB_COL0][3]); + + span.attrStepX[VARYING_SLOT_COL0][3] * adjx + + span.attrStepY[VARYING_SLOT_COL0][3] * adjy) + FIXED_HALF; + fdaOuter = SignedFloatToFixed(span.attrStepY[VARYING_SLOT_COL0][3] + + dxOuter * span.attrStepX[VARYING_SLOT_COL0][3]); # endif } else { - ASSERT(ctx->Light.ShadeModel == GL_FLAT); + assert(ctx->Light.ShadeModel == GL_FLAT); rLeft = ChanToFixed(v2->color[RCOMP]); gLeft = ChanToFixed(v2->color[GCOMP]); bLeft = ChanToFixed(v2->color[BCOMP]); @@ -697,44 +681,32 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #endif /* INTERP_RGB */ -#ifdef INTERP_INDEX - if (ctx->Light.ShadeModel == GL_SMOOTH) { - iLeft = (GLfixed)(vLower->attrib[FRAG_ATTRIB_CI][0] * FIXED_SCALE - + didx * adjx + didy * adjy) + FIXED_HALF; - diOuter = SignedFloatToFixed(didy + dxOuter * didx); - } - else { - ASSERT(ctx->Light.ShadeModel == GL_FLAT); - iLeft = FloatToFixed(v2->attrib[FRAG_ATTRIB_CI][0]); - diOuter = 0; - } -#endif #ifdef INTERP_INT_TEX { GLfloat s0, t0; - s0 = vLower->attrib[FRAG_ATTRIB_TEX0][0] * S_SCALE; - sLeft = (GLfixed)(s0 * FIXED_SCALE + span.attrStepX[FRAG_ATTRIB_TEX0][0] * adjx - + span.attrStepY[FRAG_ATTRIB_TEX0][0] * adjy) + FIXED_HALF; - dsOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_TEX0][0] - + dxOuter * span.attrStepX[FRAG_ATTRIB_TEX0][0]); - - t0 = vLower->attrib[FRAG_ATTRIB_TEX0][1] * T_SCALE; - tLeft = (GLfixed)(t0 * FIXED_SCALE + span.attrStepX[FRAG_ATTRIB_TEX0][1] * adjx - + span.attrStepY[FRAG_ATTRIB_TEX0][1] * adjy) + FIXED_HALF; - dtOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_TEX0][1] - + dxOuter * span.attrStepX[FRAG_ATTRIB_TEX0][1]); + s0 = vLower->attrib[VARYING_SLOT_TEX0][0] * S_SCALE; + sLeft = (GLfixed)(s0 * FIXED_SCALE + span.attrStepX[VARYING_SLOT_TEX0][0] * adjx + + span.attrStepY[VARYING_SLOT_TEX0][0] * adjy) + FIXED_HALF; + dsOuter = SignedFloatToFixed(span.attrStepY[VARYING_SLOT_TEX0][0] + + dxOuter * span.attrStepX[VARYING_SLOT_TEX0][0]); + + t0 = vLower->attrib[VARYING_SLOT_TEX0][1] * T_SCALE; + tLeft = (GLfixed)(t0 * FIXED_SCALE + span.attrStepX[VARYING_SLOT_TEX0][1] * adjx + + span.attrStepY[VARYING_SLOT_TEX0][1] * adjy) + FIXED_HALF; + dtOuter = SignedFloatToFixed(span.attrStepY[VARYING_SLOT_TEX0][1] + + dxOuter * span.attrStepX[VARYING_SLOT_TEX0][1]); } #endif #ifdef INTERP_ATTRIBS { - const GLuint attr = FRAG_ATTRIB_WPOS; - wLeft = vLower->attrib[FRAG_ATTRIB_WPOS][3] + const GLuint attr = VARYING_SLOT_POS; + wLeft = vLower->attrib[VARYING_SLOT_POS][3] + (span.attrStepX[attr][3] * adjx + span.attrStepY[attr][3] * adjy) * (1.0F/FIXED_SCALE); dwOuter = span.attrStepY[attr][3] + dxOuter * span.attrStepX[attr][3]; } ATTRIB_LOOP_BEGIN - const GLfloat invW = vLower->attrib[FRAG_ATTRIB_WPOS][3]; + const GLfloat invW = vLower->attrib[VARYING_SLOT_POS][3]; if (swrast->_InterpMode[attr] == GL_FLAT) { GLuint c; for (c = 0; c < 4; c++) { @@ -784,15 +756,12 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #ifdef INTERP_ALPHA fdaInner = fdaOuter + span.alphaStep; #endif -#ifdef INTERP_INDEX - diInner = diOuter + span.indexStep; -#endif #ifdef INTERP_INT_TEX dsInner = dsOuter + span.intTexStep[0]; dtInner = dtOuter + span.intTexStep[1]; #endif #ifdef INTERP_ATTRIBS - dwInner = dwOuter + span.attrStepX[FRAG_ATTRIB_WPOS][3]; + dwInner = dwOuter + span.attrStepX[VARYING_SLOT_POS][3]; ATTRIB_LOOP_BEGIN GLuint c; for (c = 0; c < 4; c++) { @@ -822,16 +791,13 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #ifdef INTERP_ALPHA span.alpha = aLeft; #endif -#ifdef INTERP_INDEX - span.index = iLeft; -#endif #ifdef INTERP_INT_TEX span.intTex[0] = sLeft; span.intTex[1] = tLeft; #endif #ifdef INTERP_ATTRIBS - span.attrStart[FRAG_ATTRIB_WPOS][3] = wLeft; + span.attrStart[VARYING_SLOT_POS][3] = wLeft; ATTRIB_LOOP_BEGIN GLuint c; for (c = 0; c < 4; c++) { @@ -854,9 +820,6 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #endif #ifdef INTERP_ALPHA CLAMP_INTERPOLANT(alpha, alphaStep, len); -#endif -#ifdef INTERP_INDEX - CLAMP_INTERPOLANT(index, indexStep, len); #endif { RENDER_SPAN( span ); @@ -896,9 +859,6 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #ifdef INTERP_ALPHA aLeft += fdaOuter; #endif -#ifdef INTERP_INDEX - iLeft += diOuter; -#endif #ifdef INTERP_INT_TEX sLeft += dsOuter; tLeft += dtOuter; @@ -931,9 +891,6 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #ifdef INTERP_ALPHA aLeft += fdaInner; #endif -#ifdef INTERP_INDEX - iLeft += diInner; -#endif #ifdef INTERP_INT_TEX sLeft += dsInner; tLeft += dtInner; @@ -967,7 +924,6 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #undef INTERP_Z #undef INTERP_RGB #undef INTERP_ALPHA -#undef INTERP_INDEX #undef INTERP_INT_TEX #undef INTERP_ATTRIBS