X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fswrast%2Fs_linetemp.h;h=6706ec788b136a7b47cd35f6e83e1dc634f5c456;hb=30f4ccff5bd7304a623d2909aaf8de35727ce03d;hp=a305a45d58d84537fec549f655c35207ee6118ee;hpb=ef4f5b391e560e535b25b372f797e41edeef09f1;p=mesa.git diff --git a/src/mesa/swrast/s_linetemp.h b/src/mesa/swrast/s_linetemp.h index a305a45d58d..6706ec788b1 100644 --- a/src/mesa/swrast/s_linetemp.h +++ b/src/mesa/swrast/s_linetemp.h @@ -1,10 +1,7 @@ -/* $Id: s_linetemp.h,v 1.10 2001/12/05 10:24:31 keithw Exp $ */ - /* * Mesa 3-D graphics library - * Version: 3.5 * - * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -19,9 +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. */ @@ -33,13 +31,7 @@ * The following macros may be defined to indicate what auxillary information * must be interplated along the line: * INTERP_Z - if defined, interpolate Z values - * INTERP_FOG - if defined, interpolate FOG values - * INTERP_RGB - if defined, interpolate RGB values - * INTERP_SPEC - if defined, interpolate specular RGB values - * INTERP_ALPHA - if defined, interpolate Alpha values - * INTERP_INDEX - if defined, interpolate color index values - * INTERP_TEX - if defined, interpolate unit 0 texcoords - * INTERP_MULTITEX - if defined, interpolate multi-texcoords + * INTERP_ATTRIBS - if defined, interpolate attribs (texcoords, varying, etc) * * When one can directly address pixels in the color buffer the following * macros can be defined and used to directly compute pixel addresses during @@ -56,11 +48,7 @@ * Optionally, one may provide one-time setup code * SETUP_CODE - code which is to be executed once per line * - * To enable line stippling define STIPPLE = 1 - * To enable wide lines define WIDE = 1 - * - * To actually "plot" each pixel either the PLOT macro or - * (XMAJOR_PLOT and YMAJOR_PLOT macros) must be defined... + * To actually "plot" each pixel the PLOT macro must be defined... * PLOT(X,Y) - code to plot a pixel. Example: * if (Z < *zPtr) { * *zPtr = Z; @@ -74,120 +62,66 @@ */ -/*void line( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 )*/ +static void +NAME( struct gl_context *ctx, const SWvertex *vert0, const SWvertex *vert1 ) { - GLint x0 = (GLint) vert0->win[0]; - GLint x1 = (GLint) vert1->win[0]; - GLint y0 = (GLint) vert0->win[1]; - GLint y1 = (GLint) vert1->win[1]; + const SWcontext *swrast = SWRAST_CONTEXT(ctx); + SWspan span; + GLuint interpFlags = 0; + GLint x0 = (GLint) vert0->attrib[VARYING_SLOT_POS][0]; + GLint x1 = (GLint) vert1->attrib[VARYING_SLOT_POS][0]; + GLint y0 = (GLint) vert0->attrib[VARYING_SLOT_POS][1]; + GLint y1 = (GLint) vert1->attrib[VARYING_SLOT_POS][1]; GLint dx, dy; -#ifdef INTERP_XY + GLint numPixels; GLint xstep, ystep; -#endif -#ifdef INTERP_Z - GLint z0, z1, dz; - const GLint depthBits = ctx->Visual.depthBits; +#if defined(DEPTH_TYPE) + const GLint depthBits = ctx->DrawBuffer->Visual.depthBits; const GLint fixedToDepthShift = depthBits <= 16 ? FIXED_SHIFT : 0; -# define FixedToDepth(F) ((F) >> fixedToDepthShift) -# ifdef DEPTH_TYPE + struct gl_renderbuffer *zrb = ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer; +#define FixedToDepth(F) ((F) >> fixedToDepthShift) GLint zPtrXstep, zPtrYstep; DEPTH_TYPE *zPtr; -# endif -#endif -#ifdef INTERP_FOG - GLfloat fog0 = vert0->fog; - GLfloat dfog = vert1->fog - fog0; -#endif -#ifdef INTERP_RGB - GLfixed r0 = ChanToFixed(vert0->color[0]); - GLfixed dr = ChanToFixed(vert1->color[0]) - r0; - GLfixed g0 = ChanToFixed(vert0->color[1]); - GLfixed dg = ChanToFixed(vert1->color[1]) - g0; - GLfixed b0 = ChanToFixed(vert0->color[2]); - GLfixed db = ChanToFixed(vert1->color[2]) - b0; -#endif -#ifdef INTERP_SPEC - GLfixed sr0 = ChanToFixed(vert0->specular[0]); - GLfixed dsr = ChanToFixed(vert1->specular[0]) - sr0; - GLfixed sg0 = ChanToFixed(vert0->specular[1]); - GLfixed dsg = ChanToFixed(vert1->specular[1]) - sg0; - GLfixed sb0 = ChanToFixed(vert0->specular[2]); - GLfixed dsb = ChanToFixed(vert1->specular[2]) - sb0; -#endif -#ifdef INTERP_ALPHA - GLfixed a0 = ChanToFixed(vert0->color[3]); - GLfixed da = ChanToFixed(vert1->color[3]) - a0; -#endif -#ifdef INTERP_INDEX - GLint i0 = vert0->index << 8; - GLint di = (GLint) (vert1->index << 8) - i0; -#endif -#ifdef INTERP_TEX - const GLfloat invw0 = vert0->win[3]; - const GLfloat invw1 = vert1->win[3]; - GLfloat tex[4]; - GLfloat dtex[4]; - GLfloat fragTexcoord[4]; -#endif -#ifdef INTERP_MULTITEX - const GLfloat invw0 = vert0->win[3]; - const GLfloat invw1 = vert1->win[3]; - GLfloat tex[MAX_TEXTURE_UNITS][4]; - GLfloat dtex[MAX_TEXTURE_UNITS][4]; - GLfloat fragTexcoord[MAX_TEXTURE_UNITS][4]; +#elif defined(INTERP_Z) + const GLint depthBits = ctx->DrawBuffer->Visual.depthBits; #endif #ifdef PIXEL_ADDRESS PIXEL_TYPE *pixelPtr; GLint pixelXstep, pixelYstep; #endif -#ifdef STIPPLE - SWcontext *swrast = SWRAST_CONTEXT(ctx); -#endif -#ifdef WIDE - /* for wide lines, draw all X in [x+min, x+max] or Y in [y+min, y+max] */ - GLint width, min, max; - width = (GLint) CLAMP( ctx->Line.Width, MIN_LINE_WIDTH, MAX_LINE_WIDTH ); - min = (width-1) / -2; - max = min + width - 1; -#endif -#ifdef INTERP_TEX - { - tex[0] = invw0 * vert0->texcoord[0][0]; - dtex[0] = invw1 * vert1->texcoord[0][0] - tex[0]; - tex[1] = invw0 * vert0->texcoord[0][1]; - dtex[1] = invw1 * vert1->texcoord[0][1] - tex[1]; - tex[2] = invw0 * vert0->texcoord[0][2]; - dtex[2] = invw1 * vert1->texcoord[0][2] - tex[2]; - tex[3] = invw0 * vert0->texcoord[0][3]; - dtex[3] = invw1 * vert1->texcoord[0][3] - tex[3]; - } -#endif -#ifdef INTERP_MULTITEX - { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - tex[u][0] = invw0 * vert0->texcoord[u][0]; - dtex[u][0] = invw1 * vert1->texcoord[u][0] - tex[u][0]; - tex[u][1] = invw0 * vert0->texcoord[u][1]; - dtex[u][1] = invw1 * vert1->texcoord[u][1] - tex[u][1]; - tex[u][2] = invw0 * vert0->texcoord[u][2]; - dtex[u][2] = invw1 * vert1->texcoord[u][2] - tex[u][2]; - tex[u][3] = invw0 * vert0->texcoord[u][3]; - dtex[u][3] = invw1 * vert1->texcoord[u][3] - tex[u][3]; - } - } - } + +#ifdef SETUP_CODE + SETUP_CODE #endif + (void) swrast; + /* Cull primitives with malformed coordinates. */ { - float tmp = vert0->win[0] + vert0->win[1] + vert1->win[0] + vert1->win[1]; - if (IS_INF_OR_NAN(tmp)) + GLfloat tmp = vert0->attrib[VARYING_SLOT_POS][0] + vert0->attrib[VARYING_SLOT_POS][1] + + vert1->attrib[VARYING_SLOT_POS][0] + vert1->attrib[VARYING_SLOT_POS][1]; + if (util_is_inf_or_nan(tmp)) return; } + /* + printf("%s():\n", __func__); + printf(" (%f, %f, %f) -> (%f, %f, %f)\n", + vert0->attrib[VARYING_SLOT_POS][0], + vert0->attrib[VARYING_SLOT_POS][1], + vert0->attrib[VARYING_SLOT_POS][2], + vert1->attrib[VARYING_SLOT_POS][0], + vert1->attrib[VARYING_SLOT_POS][1], + vert1->attrib[VARYING_SLOT_POS][2]); + printf(" (%d, %d, %d) -> (%d, %d, %d)\n", + vert0->color[0], vert0->color[1], vert0->color[2], + vert1->color[0], vert1->color[1], vert1->color[2]); + printf(" (%d, %d, %d) -> (%d, %d, %d)\n", + vert0->specular[0], vert0->specular[1], vert0->specular[2], + vert1->specular[0], vert1->specular[1], vert1->specular[2]); + */ + /* * Despite being clipped to the view volume, the line's window coordinates * may just lie outside the window bounds. That is, if the legal window @@ -213,31 +147,26 @@ } } #endif + dx = x1 - x0; dy = y1 - y0; - if (dx==0 && dy==0) { + if (dx == 0 && dy == 0) return; - } /* - * Setup - */ -#ifdef SETUP_CODE - SETUP_CODE -#endif + printf("%s %d,%d %g %g %g %g %g %g %g %g\n", __func__, dx, dy, + vert0->attrib[VARYING_SLOT_COL1][0], + vert0->attrib[VARYING_SLOT_COL1][1], + vert0->attrib[VARYING_SLOT_COL1][2], + vert0->attrib[VARYING_SLOT_COL1][3], + vert1->attrib[VARYING_SLOT_COL1][0], + vert1->attrib[VARYING_SLOT_COL1][1], + vert1->attrib[VARYING_SLOT_COL1][2], + vert1->attrib[VARYING_SLOT_COL1][3]); + */ -#ifdef INTERP_Z -# ifdef DEPTH_TYPE - zPtr = (DEPTH_TYPE *) _mesa_zbuffer_address(ctx, x0, y0); -# endif - if (depthBits <= 16) { - z0 = FloatToFixed(vert0->win[2]); - z1 = FloatToFixed(vert1->win[2]); - } - else { - z0 = (int) vert0->win[2]; - z1 = (int) vert1->win[2]; - } +#ifdef DEPTH_TYPE + zPtr = (DEPTH_TYPE *) _swrast_pixel_address(zrb, x0, y0); #endif #ifdef PIXEL_ADDRESS pixelPtr = (PIXEL_TYPE *) PIXEL_ADDRESS(x0,y0); @@ -245,10 +174,8 @@ if (dx<0) { dx = -dx; /* make positive */ -#ifdef INTERP_XY xstep = -1; -#endif -#if defined(INTERP_Z) && defined(DEPTH_TYPE) +#ifdef DEPTH_TYPE zPtrXstep = -((GLint)sizeof(DEPTH_TYPE)); #endif #ifdef PIXEL_ADDRESS @@ -256,10 +183,8 @@ #endif } else { -#ifdef INTERP_XY xstep = 1; -#endif -#if defined(INTERP_Z) && defined(DEPTH_TYPE) +#ifdef DEPTH_TYPE zPtrXstep = ((GLint)sizeof(DEPTH_TYPE)); #endif #ifdef PIXEL_ADDRESS @@ -269,199 +194,142 @@ if (dy<0) { dy = -dy; /* make positive */ -#ifdef INTERP_XY ystep = -1; -#endif -#if defined(INTERP_Z) && defined(DEPTH_TYPE) - zPtrYstep = -ctx->DrawBuffer->Width * ((GLint)sizeof(DEPTH_TYPE)); +#ifdef DEPTH_TYPE + zPtrYstep = -((GLint) (ctx->DrawBuffer->Width * sizeof(DEPTH_TYPE))); #endif #ifdef PIXEL_ADDRESS pixelYstep = BYTES_PER_ROW; #endif } else { -#ifdef INTERP_XY ystep = 1; -#endif -#if defined(INTERP_Z) && defined(DEPTH_TYPE) - zPtrYstep = ctx->DrawBuffer->Width * ((GLint)sizeof(DEPTH_TYPE)); +#ifdef DEPTH_TYPE + zPtrYstep = (GLint) (ctx->DrawBuffer->Width * sizeof(DEPTH_TYPE)); #endif #ifdef PIXEL_ADDRESS pixelYstep = -(BYTES_PER_ROW); #endif } + assert(dx >= 0); + assert(dy >= 0); + + numPixels = MAX2(dx, dy); + + /* + * Span setup: compute start and step values for all interpolated values. + */ + interpFlags |= SPAN_RGBA; + if (ctx->Light.ShadeModel == GL_SMOOTH) { + span.red = ChanToFixed(vert0->color[0]); + span.green = ChanToFixed(vert0->color[1]); + span.blue = ChanToFixed(vert0->color[2]); + span.alpha = ChanToFixed(vert0->color[3]); + span.redStep = (ChanToFixed(vert1->color[0]) - span.red ) / numPixels; + span.greenStep = (ChanToFixed(vert1->color[1]) - span.green) / numPixels; + span.blueStep = (ChanToFixed(vert1->color[2]) - span.blue ) / numPixels; + span.alphaStep = (ChanToFixed(vert1->color[3]) - span.alpha) / numPixels; + } + else { + span.red = ChanToFixed(vert1->color[0]); + span.green = ChanToFixed(vert1->color[1]); + span.blue = ChanToFixed(vert1->color[2]); + span.alpha = ChanToFixed(vert1->color[3]); + span.redStep = 0; + span.greenStep = 0; + span.blueStep = 0; + span.alphaStep = 0; + } +#if defined(INTERP_Z) || defined(DEPTH_TYPE) + interpFlags |= SPAN_Z; + { + if (depthBits <= 16) { + span.z = FloatToFixed(vert0->attrib[VARYING_SLOT_POS][2]) + FIXED_HALF; + span.zStep = FloatToFixed( vert1->attrib[VARYING_SLOT_POS][2] + - vert0->attrib[VARYING_SLOT_POS][2]) / numPixels; + } + else { + /* don't use fixed point */ + span.z = (GLuint) vert0->attrib[VARYING_SLOT_POS][2]; + span.zStep = (GLint) (( vert1->attrib[VARYING_SLOT_POS][2] + - vert0->attrib[VARYING_SLOT_POS][2]) / numPixels); + } + } +#endif +#if defined(INTERP_ATTRIBS) + { + const GLfloat invLen = 1.0F / numPixels; + const GLfloat invw0 = vert0->attrib[VARYING_SLOT_POS][3]; + const GLfloat invw1 = vert1->attrib[VARYING_SLOT_POS][3]; + + span.attrStart[VARYING_SLOT_POS][3] = invw0; + span.attrStepX[VARYING_SLOT_POS][3] = (invw1 - invw0) * invLen; + span.attrStepY[VARYING_SLOT_POS][3] = 0.0; + + ATTRIB_LOOP_BEGIN + if (swrast->_InterpMode[attr] == GL_FLAT) { + COPY_4V(span.attrStart[attr], vert1->attrib[attr]); + ASSIGN_4V(span.attrStepX[attr], 0.0, 0.0, 0.0, 0.0); + } + else { + GLuint c; + for (c = 0; c < 4; c++) { + float da; + span.attrStart[attr][c] = invw0 * vert0->attrib[attr][c]; + da = (invw1 * vert1->attrib[attr][c]) - span.attrStart[attr][c]; + span.attrStepX[attr][c] = da * invLen; + } + } + ASSIGN_4V(span.attrStepY[attr], 0.0, 0.0, 0.0, 0.0); + ATTRIB_LOOP_END + } +#endif + + INIT_SPAN(span, GL_LINE); + span.end = numPixels; + span.interpMask = interpFlags; + span.arrayMask = SPAN_XY; + + span.facing = swrast->PointLineFacing; + + /* * Draw */ - if (dx>dy) { + if (dx > dy) { /*** X-major line ***/ GLint i; GLint errorInc = dy+dy; GLint error = errorInc-dx; GLint errorDec = error-dx; -#ifdef INTERP_Z - dz = (z1-z0) / dx; -#endif -#ifdef INTERP_FOG - dfog /= dx; -#endif -#ifdef INTERP_RGB - dr /= dx; /* convert from whole line delta to per-pixel delta */ - dg /= dx; - db /= dx; -#endif -#ifdef INTERP_SPEC - dsr /= dx; /* convert from whole line delta to per-pixel delta */ - dsg /= dx; - dsb /= dx; -#endif -#ifdef INTERP_ALPHA - da /= dx; -#endif -#ifdef INTERP_INDEX - di /= dx; -#endif -#ifdef INTERP_TEX - { - const GLfloat invDx = 1.0F / (GLfloat) dx; - dtex[0] *= invDx; - dtex[1] *= invDx; - dtex[2] *= invDx; - dtex[3] *= invDx; - } -#endif -#ifdef INTERP_MULTITEX - { - const GLfloat invDx = 1.0F / (GLfloat) dx; - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - dtex[u][0] *= invDx; - dtex[u][1] *= invDx; - dtex[u][2] *= invDx; - dtex[u][3] *= invDx; - } - } - } -#endif - for (i=0;iStippleCounter/ctx->Line.StippleFactor) & 0xf); - if (ctx->Line.StipplePattern & m) { -#endif -#ifdef INTERP_Z - GLdepth Z = FixedToDepth(z0); -#endif -#ifdef INTERP_INDEX - GLint I = i0 >> 8; -#endif -#ifdef INTERP_TEX - { - const GLfloat invQ = tex[3] ? (1.0F / tex[3]) : 1.0F; - fragTexcoord[0] = tex[0] * invQ; - fragTexcoord[1] = tex[1] * invQ; - fragTexcoord[2] = tex[2] * invQ; - fragTexcoord[3] = tex[3]; - } -#endif -#ifdef INTERP_MULTITEX - { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - const GLfloat invQ = 1.0F / tex[u][3]; - fragTexcoord[u][0] = tex[u][0] * invQ; - fragTexcoord[u][1] = tex[u][1] * invQ; - fragTexcoord[u][2] = tex[u][2] * invQ; - fragTexcoord[u][3] = tex[u][3]; - } - } - } + for (i = 0; i < dx; i++) { +#ifdef DEPTH_TYPE + GLuint Z = FixedToDepth(span.z); #endif -#ifdef WIDE - { - GLint yy; - GLint ymin = y0 + min; - GLint ymax = y0 + max; - for (yy=ymin;yy<=ymax;yy++) { - PLOT( x0, yy ); - } - } +#ifdef PLOT + PLOT( x0, y0 ); #else -# ifdef XMAJOR_PLOT - XMAJOR_PLOT( x0, y0 ); -# else - PLOT( x0, y0 ); -# endif -#endif /*WIDE*/ -#ifdef STIPPLE - } - swrast->StippleCounter++; + span.array->x[i] = x0; + span.array->y[i] = y0; #endif -#ifdef INTERP_XY x0 += xstep; -#endif -#ifdef INTERP_Z -# ifdef DEPTH_TYPE +#ifdef DEPTH_TYPE zPtr = (DEPTH_TYPE *) ((GLubyte*) zPtr + zPtrXstep); -# endif - z0 += dz; -#endif -#ifdef INTERP_FOG - fog0 += dfog; -#endif -#ifdef INTERP_RGB - r0 += dr; - g0 += dg; - b0 += db; -#endif -#ifdef INTERP_SPEC - sr0 += dsr; - sg0 += dsg; - sb0 += dsb; -#endif -#ifdef INTERP_ALPHA - a0 += da; -#endif -#ifdef INTERP_INDEX - i0 += di; -#endif -#ifdef INTERP_TEX - tex[0] += dtex[0]; - tex[1] += dtex[1]; - tex[2] += dtex[2]; - tex[3] += dtex[3]; + span.z += span.zStep; #endif -#ifdef INTERP_MULTITEX - { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - tex[u][0] += dtex[u][0]; - tex[u][1] += dtex[u][1]; - tex[u][2] += dtex[u][2]; - tex[u][3] += dtex[u][3]; - } - } - } -#endif - #ifdef PIXEL_ADDRESS pixelPtr = (PIXEL_TYPE*) ((GLubyte*) pixelPtr + pixelXstep); #endif - if (error<0) { + if (error < 0) { error += errorInc; } else { error += errorDec; -#ifdef INTERP_XY y0 += ystep; -#endif -#if defined(INTERP_Z) && defined(DEPTH_TYPE) +#ifdef DEPTH_TYPE zPtr = (DEPTH_TYPE *) ((GLubyte*) zPtr + zPtrYstep); #endif #ifdef PIXEL_ADDRESS @@ -476,153 +344,21 @@ GLint errorInc = dx+dx; GLint error = errorInc-dy; GLint errorDec = error-dy; -#ifdef INTERP_Z - dz = (z1-z0) / dy; -#endif -#ifdef INTERP_FOG - dfog /= dy; -#endif -#ifdef INTERP_RGB - dr /= dy; /* convert from whole line delta to per-pixel delta */ - dg /= dy; - db /= dy; -#endif -#ifdef INTERP_SPEC - dsr /= dy; /* convert from whole line delta to per-pixel delta */ - dsg /= dy; - dsb /= dy; -#endif -#ifdef INTERP_ALPHA - da /= dy; -#endif -#ifdef INTERP_INDEX - di /= dy; -#endif -#ifdef INTERP_TEX - { - const GLfloat invDy = 1.0F / (GLfloat) dy; - dtex[0] *= invDy; - dtex[1] *= invDy; - dtex[2] *= invDy; - dtex[3] *= invDy; - } -#endif -#ifdef INTERP_MULTITEX - { - const GLfloat invDy = 1.0F / (GLfloat) dy; - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - dtex[u][0] *= invDy; - dtex[u][1] *= invDy; - dtex[u][2] *= invDy; - dtex[u][3] *= invDy; - } - } - } -#endif for (i=0;iStippleCounter/ctx->Line.StippleFactor) & 0xf); - if (ctx->Line.StipplePattern & m) { -#endif -#ifdef INTERP_Z - GLdepth Z = FixedToDepth(z0); -#endif -#ifdef INTERP_INDEX - GLint I = i0 >> 8; -#endif -#ifdef INTERP_TEX - { - const GLfloat invQ = tex[3] ? (1.0F / tex[3]) : 1.0F; - fragTexcoord[0] = tex[0] * invQ; - fragTexcoord[1] = tex[1] * invQ; - fragTexcoord[2] = tex[2] * invQ; - fragTexcoord[3] = tex[3]; - } -#endif -#ifdef INTERP_MULTITEX - { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - const GLfloat invQ = 1.0F / tex[u][3]; - fragTexcoord[u][0] = tex[u][0] * invQ; - fragTexcoord[u][1] = tex[u][1] * invQ; - fragTexcoord[u][2] = tex[u][2] * invQ; - fragTexcoord[u][3] = tex[u][3]; - } - } - } +#ifdef DEPTH_TYPE + GLuint Z = FixedToDepth(span.z); #endif -#ifdef WIDE - { - GLint xx; - GLint xmin = x0 + min; - GLint xmax = x0 + max; - for (xx=xmin;xx<=xmax;xx++) { - PLOT( xx, y0 ); - } - } +#ifdef PLOT + PLOT( x0, y0 ); #else -# ifdef YMAJOR_PLOT - YMAJOR_PLOT( x0, y0 ); -# else - PLOT( x0, y0 ); -# endif -#endif /*WIDE*/ -#ifdef STIPPLE - } - swrast->StippleCounter++; + span.array->x[i] = x0; + span.array->y[i] = y0; #endif -#ifdef INTERP_XY y0 += ystep; -#endif -#ifdef INTERP_Z -# ifdef DEPTH_TYPE +#ifdef DEPTH_TYPE zPtr = (DEPTH_TYPE *) ((GLubyte*) zPtr + zPtrYstep); -# endif - z0 += dz; -#endif -#ifdef INTERP_FOG - fog0 += dfog; -#endif -#ifdef INTERP_RGB - r0 += dr; - g0 += dg; - b0 += db; -#endif -#ifdef INTERP_SPEC - sr0 += dsr; - sg0 += dsg; - sb0 += dsb; -#endif -#ifdef INTERP_ALPHA - a0 += da; -#endif -#ifdef INTERP_INDEX - i0 += di; -#endif -#ifdef INTERP_TEX - tex[0] += dtex[0]; - tex[1] += dtex[1]; - tex[2] += dtex[2]; - tex[3] += dtex[3]; -#endif -#ifdef INTERP_MULTITEX - { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - tex[u][0] += dtex[u][0]; - tex[u][1] += dtex[u][1]; - tex[u][2] += dtex[u][2]; - tex[u][3] += dtex[u][3]; - } - } - } + span.z += span.zStep; #endif #ifdef PIXEL_ADDRESS pixelPtr = (PIXEL_TYPE*) ((GLubyte*) pixelPtr + pixelYstep); @@ -632,10 +368,8 @@ } else { error += errorDec; -#ifdef INTERP_XY x0 += xstep; -#endif -#if defined(INTERP_Z) && defined(DEPTH_TYPE) +#ifdef DEPTH_TYPE zPtr = (DEPTH_TYPE *) ((GLubyte*) zPtr + zPtrXstep); #endif #ifdef PIXEL_ADDRESS @@ -645,27 +379,24 @@ } } +#ifdef RENDER_SPAN + RENDER_SPAN( span ); +#endif + + (void)span; + } -#undef INTERP_XY +#undef NAME #undef INTERP_Z -#undef INTERP_FOG -#undef INTERP_RGB -#undef INTERP_SPEC -#undef INTERP_ALPHA -#undef INTERP_TEX -#undef INTERP_MULTITEX -#undef INTERP_INDEX +#undef INTERP_ATTRIBS #undef PIXEL_ADDRESS #undef PIXEL_TYPE #undef DEPTH_TYPE #undef BYTES_PER_ROW #undef SETUP_CODE #undef PLOT -#undef XMAJOR_PLOT -#undef YMAJOR_PLOT #undef CLIP_HACK -#undef STIPPLE -#undef WIDE #undef FixedToDepth +#undef RENDER_SPAN