X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fswrast%2Fs_lines.c;h=23cb9b57eff77489f833680e6eb13416c53b97b7;hb=e0e76edf97d391f0c4be58b9d8b91bed0be56734;hp=ff507249b0879e8aaa7cdcd6791e26e553968ed3;hpb=cdb27e8242215271364602995d85607cfc06d441;p=mesa.git diff --git a/src/mesa/swrast/s_lines.c b/src/mesa/swrast/s_lines.c index ff507249b08..23cb9b57eff 100644 --- a/src/mesa/swrast/s_lines.c +++ b/src/mesa/swrast/s_lines.c @@ -1,8 +1,8 @@ /* * Mesa 3-D graphics library - * Version: 6.5 + * Version: 7.1 * - * Copyright (C) 1999-2005 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"), @@ -23,10 +23,10 @@ */ -#include "glheader.h" -#include "context.h" -#include "colormac.h" -#include "macros.h" +#include "main/glheader.h" +#include "main/context.h" +#include "main/colormac.h" +#include "main/macros.h" #include "s_aaline.h" #include "s_context.h" #include "s_depth.h" @@ -63,12 +63,13 @@ compute_stipple_mask( GLcontext *ctx, GLuint len, GLubyte mask[] ) static void draw_wide_line( GLcontext *ctx, SWspan *span, GLboolean xMajor ) { - GLint width, start; + const GLint width = (GLint) CLAMP(ctx->Line.Width, + ctx->Const.MinLineWidth, + ctx->Const.MaxLineWidth); + GLint start; ASSERT(span->end < MAX_WIDTH); - width = (GLint) CLAMP( ctx->Line._Width, MIN_LINE_WIDTH, MAX_LINE_WIDTH ); - if (width & 1) start = width / 2; else @@ -121,29 +122,29 @@ draw_wide_line( GLcontext *ctx, SWspan *span, GLboolean xMajor ) /**********************************************************************/ /* Simple color index line (no stipple, width=1, no Z, no fog, no tex)*/ -#define NAME simple_ci_line +#define NAME simple_no_z_ci_line #define INTERP_INDEX #define RENDER_SPAN(span) _swrast_write_index_span(ctx, &span) #include "s_linetemp.h" /* Simple RGBA index line (no stipple, width=1, no Z, no fog, no tex)*/ -#define NAME simple_rgba_line +#define NAME simple_no_z_rgba_line #define INTERP_RGBA #define RENDER_SPAN(span) _swrast_write_rgba_span(ctx, &span); #include "s_linetemp.h" /* Z, fog, wide, stipple color index line */ -#define NAME general_ci_line +#define NAME ci_line #define INTERP_INDEX #define INTERP_Z -#define INTERP_FOG +#define INTERP_ATTRIBS /* for fog */ #define RENDER_SPAN(span) \ if (ctx->Line.StippleFlag) { \ span.arrayMask |= SPAN_MASK; \ compute_stipple_mask(ctx, span.end, span.array->mask); \ } \ - if (ctx->Line._Width > 1.0) { \ + if (ctx->Line.Width > 1.0) { \ draw_wide_line(ctx, &span, (GLboolean)(dx > dy)); \ } \ else { \ @@ -153,16 +154,15 @@ draw_wide_line( GLcontext *ctx, SWspan *span, GLboolean xMajor ) /* Z, fog, wide, stipple RGBA line */ -#define NAME general_rgba_line +#define NAME rgba_line #define INTERP_RGBA #define INTERP_Z -#define INTERP_FOG #define RENDER_SPAN(span) \ if (ctx->Line.StippleFlag) { \ span.arrayMask |= SPAN_MASK; \ compute_stipple_mask(ctx, span.end, span.array->mask); \ } \ - if (ctx->Line._Width > 1.0) { \ + if (ctx->Line.Width > 1.0) { \ draw_wide_line(ctx, &span, (GLboolean)(dx > dy)); \ } \ else { \ @@ -171,39 +171,17 @@ draw_wide_line( GLcontext *ctx, SWspan *span, GLboolean xMajor ) #include "s_linetemp.h" -/* Single-texture line, w/ fog, Z, specular, etc. */ -#define NAME textured_line +/* General-purpose line (any/all features). */ +#define NAME general_line #define INTERP_RGBA #define INTERP_Z -#define INTERP_FOG -#define INTERP_TEX +#define INTERP_ATTRIBS #define RENDER_SPAN(span) \ if (ctx->Line.StippleFlag) { \ span.arrayMask |= SPAN_MASK; \ compute_stipple_mask(ctx, span.end, span.array->mask); \ } \ - if (ctx->Line._Width > 1.0) { \ - draw_wide_line(ctx, &span, (GLboolean)(dx > dy)); \ - } \ - else { \ - _swrast_write_rgba_span(ctx, &span); \ - } -#include "s_linetemp.h" - - -/* Multi-texture or separate specular line, w/ fog, Z, specular, etc. */ -#define NAME multitextured_line -#define INTERP_RGBA -#define INTERP_SPEC -#define INTERP_Z -#define INTERP_FOG -#define INTERP_MULTITEX -#define RENDER_SPAN(span) \ - if (ctx->Line.StippleFlag) { \ - span.arrayMask |= SPAN_MASK; \ - compute_stipple_mask(ctx, span.end, span.array->mask); \ - } \ - if (ctx->Line._Width > 1.0) { \ + if (ctx->Line.Width > 1.0) { \ draw_wide_line(ctx, &span, (GLboolean)(dx > dy)); \ } \ else { \ @@ -214,50 +192,39 @@ draw_wide_line( GLcontext *ctx, SWspan *span, GLboolean xMajor ) void -_swrast_add_spec_terms_line( GLcontext *ctx, - const SWvertex *v0, - const SWvertex *v1 ) +_swrast_add_spec_terms_line(GLcontext *ctx, + const SWvertex *v0, const SWvertex *v1) { SWvertex *ncv0 = (SWvertex *)v0; SWvertex *ncv1 = (SWvertex *)v1; - GLchan c[2][4]; - COPY_CHAN4( c[0], ncv0->color ); - COPY_CHAN4( c[1], ncv1->color ); - ACC_3V( ncv0->color, ncv0->specular ); - ACC_3V( ncv1->color, ncv1->specular ); + GLfloat rSum, gSum, bSum; + GLchan cSave[2][4]; + + /* save original colors */ + COPY_CHAN4(cSave[0], ncv0->color); + COPY_CHAN4(cSave[1], ncv1->color); + /* sum v0 */ + rSum = CHAN_TO_FLOAT(ncv0->color[0]) + ncv0->attrib[FRAG_ATTRIB_COL1][0]; + gSum = CHAN_TO_FLOAT(ncv0->color[1]) + ncv0->attrib[FRAG_ATTRIB_COL1][1]; + bSum = CHAN_TO_FLOAT(ncv0->color[2]) + ncv0->attrib[FRAG_ATTRIB_COL1][2]; + UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[0], rSum); + UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[1], gSum); + UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[2], bSum); + /* sum v1 */ + rSum = CHAN_TO_FLOAT(ncv1->color[0]) + ncv1->attrib[FRAG_ATTRIB_COL1][0]; + gSum = CHAN_TO_FLOAT(ncv1->color[1]) + ncv1->attrib[FRAG_ATTRIB_COL1][1]; + bSum = CHAN_TO_FLOAT(ncv1->color[2]) + ncv1->attrib[FRAG_ATTRIB_COL1][2]; + UNCLAMPED_FLOAT_TO_CHAN(ncv1->color[0], rSum); + UNCLAMPED_FLOAT_TO_CHAN(ncv1->color[1], gSum); + UNCLAMPED_FLOAT_TO_CHAN(ncv1->color[2], bSum); + /* draw */ SWRAST_CONTEXT(ctx)->SpecLine( ctx, ncv0, ncv1 ); - COPY_CHAN4( ncv0->color, c[0] ); - COPY_CHAN4( ncv1->color, c[1] ); + /* restore original colors */ + COPY_CHAN4( ncv0->attrib[FRAG_ATTRIB_COL0], cSave[0] ); + COPY_CHAN4( ncv1->attrib[FRAG_ATTRIB_COL0], cSave[1] ); } -#ifdef DEBUG -extern void -_mesa_print_line_function(GLcontext *ctx); /* silence compiler warning */ -void -_mesa_print_line_function(GLcontext *ctx) -{ - SWcontext *swrast = SWRAST_CONTEXT(ctx); - - _mesa_printf("Line Func == "); - if (swrast->Line == simple_ci_line) - _mesa_printf("simple_ci_line\n"); - else if (swrast->Line == simple_rgba_line) - _mesa_printf("simple_rgba_line\n"); - else if (swrast->Line == general_ci_line) - _mesa_printf("general_ci_line\n"); - else if (swrast->Line == general_rgba_line) - _mesa_printf("general_rgba_line\n"); - else if (swrast->Line == textured_line) - _mesa_printf("textured_line\n"); - else if (swrast->Line == multitextured_line) - _mesa_printf("multitextured_line\n"); - else - _mesa_printf("Driver func %p\n", (void *(*)()) swrast->Line); -} -#endif - - #ifdef DEBUG @@ -279,7 +246,7 @@ do { \ -/* +/** * Determine which line drawing function to use given the current * rendering context. * @@ -291,6 +258,9 @@ _swrast_choose_line( GLcontext *ctx ) { SWcontext *swrast = SWRAST_CONTEXT(ctx); const GLboolean rgbmode = ctx->Visual.rgbMode; + GLboolean specular = (ctx->Fog.ColorSumEnabled || + (ctx->Light.Enabled && + ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR)); if (ctx->RenderMode == GL_RENDER) { if (ctx->Line.SmoothFlag) { @@ -298,31 +268,33 @@ _swrast_choose_line( GLcontext *ctx ) _swrast_choose_aa_line_function(ctx); ASSERT(swrast->Line); } - else if (ctx->Texture._EnabledCoordUnits) { - /* textured lines */ - if (ctx->Texture._EnabledCoordUnits > 0x1 - || NEED_SECONDARY_COLOR(ctx)) { - /* multi-texture and/or separate specular color */ - USE(multitextured_line); - } - else { - USE(textured_line); - } + else if (ctx->Texture._EnabledCoordUnits + || ctx->FragmentProgram._Current + || swrast->_FogEnabled + || specular) { + USE(general_line); } - else if (ctx->Depth.Test || swrast->_FogEnabled || ctx->Line._Width != 1.0 + else if (ctx->Depth.Test + || ctx->Line.Width != 1.0 || ctx->Line.StippleFlag) { /* no texture, but Z, fog, width>1, stipple, etc. */ if (rgbmode) - USE(general_rgba_line); +#if CHAN_BITS == 32 + USE(general_line); +#else + USE(rgba_line); +#endif else - USE(general_ci_line); + USE(ci_line); } else { - /* simplest lines */ + ASSERT(!ctx->Depth.Test); + ASSERT(ctx->Line.Width == 1.0); + /* simple lines */ if (rgbmode) - USE(simple_rgba_line); + USE(simple_no_z_rgba_line); else - USE(simple_ci_line); + USE(simple_no_z_ci_line); } } else if (ctx->RenderMode == GL_FEEDBACK) { @@ -332,6 +304,4 @@ _swrast_choose_line( GLcontext *ctx ) ASSERT(ctx->RenderMode == GL_SELECT); USE(_swrast_select_line); } - - /*_mesa_print_line_function(ctx);*/ }