From 724abeb058ca9372c5a9b9e38ee43dde1accaa41 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Tue, 31 Oct 2000 18:09:44 +0000 Subject: Moved the software rasterizer to a new directory. --- src/mesa/main/lines.c | 1138 +------------------------------------------------ 1 file changed, 1 insertion(+), 1137 deletions(-) (limited to 'src/mesa/main/lines.c') diff --git a/src/mesa/main/lines.c b/src/mesa/main/lines.c index f3255601ca8..a3c49f1d121 100644 --- a/src/mesa/main/lines.c +++ b/src/mesa/main/lines.c @@ -1,4 +1,4 @@ -/* $Id: lines.c,v 1.19 2000/10/30 13:32:00 keithw Exp $ */ +/* $Id: lines.c,v 1.20 2000/10/31 18:09:44 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -35,7 +35,6 @@ #include "lines.h" #include "macros.h" #include "mmath.h" -#include "pb.h" #include "texstate.h" #include "types.h" #include "vb.h" @@ -82,1138 +81,3 @@ _mesa_LineStipple( GLint factor, GLushort pattern ) } - -/**********************************************************************/ -/***** Rasterization *****/ -/**********************************************************************/ - - -/* - * There are 4 pairs (RGBA, CI) of line drawing functions: - * 1. simple: width=1 and no special rasterization functions (fastest) - * 2. flat: width=1, non-stippled, flat-shaded, any raster operations - * 3. smooth: width=1, non-stippled, smooth-shaded, any raster operations - * 4. general: any other kind of line (slowest) - */ - - -/* - * All line drawing functions have the same arguments: - * v1, v2 - indexes of first and second endpoints into vertex buffer arrays - * pv - provoking vertex: which vertex color/index to use for flat shading. - */ - - - - - - -#if MAX_WIDTH > MAX_HEIGHT -# define MAXPOINTS MAX_WIDTH -#else -# define MAXPOINTS MAX_HEIGHT -#endif - - -/* Flat, color index line */ -static void flat_ci_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ - PB_SET_INDEX( ctx->PB, ctx->VB->IndexPtr->data[pvert] ); - -#define INTERP_XY 1 -#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, 0, 0); - -#include "linetemp.h" - - gl_flush_pb(ctx); -} - - - -/* Flat, color index line with Z interpolation/testing */ -static void flat_ci_z_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ - PB_SET_INDEX( ctx->PB, ctx->VB->IndexPtr->data[pvert] ); - -#define INTERP_XY 1 -#define INTERP_Z 1 -#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z, fog0); - -#include "linetemp.h" - - gl_flush_pb(ctx); -} - - - -/* Flat-shaded, RGBA line */ -static void flat_rgba_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ - const GLchan *color = ctx->VB->ColorPtr->data[pvert]; - PB_SET_COLOR( ctx->PB, color[0], color[1], color[2], color[3] ); - -#define INTERP_XY 1 -#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, 0, 0); - -#include "linetemp.h" - - gl_flush_pb(ctx); -} - - - -/* Flat-shaded, RGBA line with Z interpolation/testing */ -static void flat_rgba_z_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ - const GLchan *color = ctx->VB->ColorPtr->data[pvert]; - PB_SET_COLOR( ctx->PB, color[0], color[1], color[2], color[3] ); - -#define INTERP_XY 1 -#define INTERP_Z 1 -#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z, fog0); - -#include "linetemp.h" - - gl_flush_pb(ctx); -} - - - -/* Smooth shaded, color index line */ -static void smooth_ci_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ - GLint count = ctx->PB->count; - GLint *pbx = ctx->PB->x; - GLint *pby = ctx->PB->y; - GLuint *pbi = ctx->PB->index; - (void) pvert; - - ctx->PB->mono = GL_FALSE; - -#define INTERP_XY 1 -#define INTERP_INDEX 1 - -#define PLOT(X,Y) \ - pbx[count] = X; \ - pby[count] = Y; \ - pbi[count] = I; \ - count++; - -#include "linetemp.h" - - ctx->PB->count = count; - gl_flush_pb(ctx); -} - - - -/* Smooth shaded, color index line with Z interpolation/testing */ -static void smooth_ci_z_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ - GLint count = ctx->PB->count; - GLint *pbx = ctx->PB->x; - GLint *pby = ctx->PB->y; - GLdepth *pbz = ctx->PB->z; - GLuint *pbi = ctx->PB->index; - (void) pvert; - - ctx->PB->mono = GL_FALSE; - -#define INTERP_XY 1 -#define INTERP_Z 1 -#define INTERP_INDEX 1 - -#define PLOT(X,Y) \ - pbx[count] = X; \ - pby[count] = Y; \ - pbz[count] = Z; \ - pbi[count] = I; \ - count++; - -#include "linetemp.h" - - ctx->PB->count = count; - gl_flush_pb(ctx); -} - - - -/* Smooth-shaded, RGBA line */ -static void smooth_rgba_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ - GLint count = ctx->PB->count; - GLint *pbx = ctx->PB->x; - GLint *pby = ctx->PB->y; - GLchan (*pbrgba)[4] = ctx->PB->rgba; - (void) pvert; - - ctx->PB->mono = GL_FALSE; - -#define INTERP_XY 1 -#define INTERP_RGB 1 -#define INTERP_ALPHA 1 - -#define PLOT(X,Y) \ - pbx[count] = X; \ - pby[count] = Y; \ - pbrgba[count][RCOMP] = FixedToInt(r0); \ - pbrgba[count][GCOMP] = FixedToInt(g0); \ - pbrgba[count][BCOMP] = FixedToInt(b0); \ - pbrgba[count][ACOMP] = FixedToInt(a0); \ - count++; - -#include "linetemp.h" - - ctx->PB->count = count; - gl_flush_pb(ctx); -} - - - -/* Smooth-shaded, RGBA line with Z interpolation/testing */ -static void smooth_rgba_z_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ - GLint count = ctx->PB->count; - GLint *pbx = ctx->PB->x; - GLint *pby = ctx->PB->y; - GLdepth *pbz = ctx->PB->z; - GLfixed *pbfog = ctx->PB->fog; - GLchan (*pbrgba)[4] = ctx->PB->rgba; - - (void) pvert; - - ctx->PB->mono = GL_FALSE; - -#define INTERP_XY 1 -#define INTERP_Z 1 -#define INTERP_RGB 1 -#define INTERP_ALPHA 1 - -#define PLOT(X,Y) \ - pbx[count] = X; \ - pby[count] = Y; \ - pbz[count] = Z; \ - pbfog[count] = fog0; \ - pbrgba[count][RCOMP] = FixedToInt(r0); \ - pbrgba[count][GCOMP] = FixedToInt(g0); \ - pbrgba[count][BCOMP] = FixedToInt(b0); \ - pbrgba[count][ACOMP] = FixedToInt(a0); \ - count++; - -#include "linetemp.h" - - ctx->PB->count = count; - gl_flush_pb(ctx); -} - - -#define CHECK_FULL(count) \ - if (count >= PB_SIZE-MAX_WIDTH) { \ - ctx->PB->count = count; \ - gl_flush_pb(ctx); \ - count = ctx->PB->count; \ - } - - - -/* Smooth shaded, color index, any width, maybe stippled */ -static void general_smooth_ci_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ - GLint count = ctx->PB->count; - GLint *pbx = ctx->PB->x; - GLint *pby = ctx->PB->y; - GLdepth *pbz = ctx->PB->z; - GLfixed *pbfog = ctx->PB->fog; - GLuint *pbi = ctx->PB->index; - (void) pvert; - - ctx->PB->mono = GL_FALSE; - - if (ctx->Line.StippleFlag) { - /* stippled */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define INTERP_INDEX 1 -#define WIDE 1 -#define STIPPLE 1 -#define PLOT(X,Y) \ - pbx[count] = X; \ - pby[count] = Y; \ - pbz[count] = Z; \ - pbfog[count] = fog0; \ - pbi[count] = I; \ - count++; \ - CHECK_FULL(count); -#include "linetemp.h" - } - else { - /* unstippled */ - if (ctx->Line.Width==2.0F) { - /* special case: unstippled and width=2 */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define INTERP_INDEX 1 -#define XMAJOR_PLOT(X,Y) \ - pbx[count] = X; pbx[count+1] = X; \ - pby[count] = Y; pby[count+1] = Y+1; \ - pbz[count] = Z; pbz[count+1] = Z; \ - pbfog[count] = fog0; pbfog[count+1] = fog0; \ - pbi[count] = I; pbi[count+1] = I; \ - count += 2; \ - CHECK_FULL(count); -#define YMAJOR_PLOT(X,Y) \ - pbx[count] = X; pbx[count+1] = X+1; \ - pby[count] = Y; pby[count+1] = Y; \ - pbz[count] = Z; pbz[count+1] = Z; \ - pbfog[count] = fog0; pbfog[count+1] = fog0; \ - pbi[count] = I; pbi[count+1] = I; \ - count += 2; \ - CHECK_FULL(count); -#include "linetemp.h" - } - else { - /* unstippled, any width */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define INTERP_INDEX 1 -#define WIDE 1 -#define PLOT(X,Y) \ - pbx[count] = X; \ - pby[count] = Y; \ - pbz[count] = Z; \ - pbi[count] = I; \ - pbfog[count] = fog0; \ - count++; \ - CHECK_FULL(count); -#include "linetemp.h" - } - } - - ctx->PB->count = count; - gl_flush_pb(ctx); -} - - -/* Flat shaded, color index, any width, maybe stippled */ -static void general_flat_ci_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ - GLint count; - GLint *pbx = ctx->PB->x; - GLint *pby = ctx->PB->y; - GLdepth *pbz = ctx->PB->z; - GLfixed *pbfog = ctx->PB->fog; - PB_SET_INDEX( ctx->PB, ctx->VB->IndexPtr->data[pvert] ); - count = ctx->PB->count; - - if (ctx->Line.StippleFlag) { - /* stippled, any width */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define WIDE 1 -#define STIPPLE 1 -#define PLOT(X,Y) \ - pbx[count] = X; \ - pby[count] = Y; \ - pbz[count] = Z; \ - pbfog[count] = fog0; \ - count++; \ - CHECK_FULL(count); -#include "linetemp.h" - } - else { - /* unstippled */ - if (ctx->Line.Width==2.0F) { - /* special case: unstippled and width=2 */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define XMAJOR_PLOT(X,Y) \ - pbx[count] = X; pbx[count+1] = X; \ - pby[count] = Y; pby[count+1] = Y+1; \ - pbz[count] = Z; pbz[count+1] = Z; \ - pbfog[count] = fog0; pbfog[count+1] = fog0; \ - count += 2; \ - CHECK_FULL(count); -#define YMAJOR_PLOT(X,Y) \ - pbx[count] = X; pbx[count+1] = X+1; \ - pby[count] = Y; pby[count+1] = Y; \ - pbz[count] = Z; pbz[count+1] = Z; \ - pbfog[count] = fog0; pbfog[count+1] = fog0; \ - count += 2; \ - CHECK_FULL(count); -#include "linetemp.h" - } - else { - /* unstippled, any width */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define WIDE 1 -#define PLOT(X,Y) \ - pbx[count] = X; \ - pby[count] = Y; \ - pbz[count] = Z; \ - pbfog[count] = fog0; \ - count++; \ - CHECK_FULL(count); -#include "linetemp.h" - } - } - - ctx->PB->count = count; - gl_flush_pb(ctx); -} - - - -static void general_smooth_rgba_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert) -{ - GLint count = ctx->PB->count; - GLint *pbx = ctx->PB->x; - GLint *pby = ctx->PB->y; - GLdepth *pbz = ctx->PB->z; - GLfixed *pbfog = ctx->PB->fog; - GLchan (*pbrgba)[4] = ctx->PB->rgba; - - (void) pvert; - - ctx->PB->mono = GL_FALSE; - - if (ctx->Line.StippleFlag) { - /* stippled */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define INTERP_RGB 1 -#define INTERP_ALPHA 1 -#define WIDE 1 -#define STIPPLE 1 -#define PLOT(X,Y) \ - pbx[count] = X; \ - pby[count] = Y; \ - pbz[count] = Z; \ - pbfog[count] = fog0; \ - pbrgba[count][RCOMP] = FixedToInt(r0); \ - pbrgba[count][GCOMP] = FixedToInt(g0); \ - pbrgba[count][BCOMP] = FixedToInt(b0); \ - pbrgba[count][ACOMP] = FixedToInt(a0); \ - count++; \ - CHECK_FULL(count); -#include "linetemp.h" - } - else { - /* unstippled */ - if (ctx->Line.Width==2.0F) { - /* special case: unstippled and width=2 */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define INTERP_RGB 1 -#define INTERP_ALPHA 1 -#define XMAJOR_PLOT(X,Y) \ - pbx[count] = X; pbx[count+1] = X; \ - pby[count] = Y; pby[count+1] = Y+1; \ - pbz[count] = Z; pbz[count+1] = Z; \ - pbfog[count] = fog0; pbfog[count+1] = fog0; \ - pbrgba[count][RCOMP] = FixedToInt(r0); \ - pbrgba[count][GCOMP] = FixedToInt(g0); \ - pbrgba[count][BCOMP] = FixedToInt(b0); \ - pbrgba[count][ACOMP] = FixedToInt(a0); \ - pbrgba[count+1][RCOMP] = FixedToInt(r0); \ - pbrgba[count+1][GCOMP] = FixedToInt(g0); \ - pbrgba[count+1][BCOMP] = FixedToInt(b0); \ - pbrgba[count+1][ACOMP] = FixedToInt(a0); \ - count += 2; \ - CHECK_FULL(count); -#define YMAJOR_PLOT(X,Y) \ - pbx[count] = X; pbx[count+1] = X+1; \ - pby[count] = Y; pby[count+1] = Y; \ - pbz[count] = Z; pbz[count+1] = Z; \ - pbfog[count] = fog0; pbfog[count+1] = fog0; \ - pbrgba[count][RCOMP] = FixedToInt(r0); \ - pbrgba[count][GCOMP] = FixedToInt(g0); \ - pbrgba[count][BCOMP] = FixedToInt(b0); \ - pbrgba[count][ACOMP] = FixedToInt(a0); \ - pbrgba[count+1][RCOMP] = FixedToInt(r0); \ - pbrgba[count+1][GCOMP] = FixedToInt(g0); \ - pbrgba[count+1][BCOMP] = FixedToInt(b0); \ - pbrgba[count+1][ACOMP] = FixedToInt(a0); \ - count += 2; \ - CHECK_FULL(count); -#include "linetemp.h" - } - else { - /* unstippled, any width */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define INTERP_RGB 1 -#define INTERP_ALPHA 1 -#define WIDE 1 -#define PLOT(X,Y) \ - pbx[count] = X; \ - pby[count] = Y; \ - pbz[count] = Z; \ - pbfog[count] = fog0; \ - pbrgba[count][RCOMP] = FixedToInt(r0); \ - pbrgba[count][GCOMP] = FixedToInt(g0); \ - pbrgba[count][BCOMP] = FixedToInt(b0); \ - pbrgba[count][ACOMP] = FixedToInt(a0); \ - count++; \ - CHECK_FULL(count); -#include "linetemp.h" - } - } - - ctx->PB->count = count; - gl_flush_pb(ctx); -} - - -static void general_flat_rgba_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ - const GLchan *color = ctx->VB->ColorPtr->data[pvert]; - PB_SET_COLOR( ctx->PB, color[0], color[1], color[2], color[3] ); - - if (ctx->Line.StippleFlag) { - /* stippled */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define WIDE 1 -#define STIPPLE 1 -#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z, fog0); -#include "linetemp.h" - } - else { - /* unstippled */ - if (ctx->Line.Width==2.0F) { - /* special case: unstippled and width=2 */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define XMAJOR_PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z, fog0); \ - PB_WRITE_PIXEL(ctx->PB, X, Y+1, Z, fog0); -#define YMAJOR_PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z, fog0); \ - PB_WRITE_PIXEL(ctx->PB, X+1, Y, Z, fog0); -#include "linetemp.h" - } - else { - /* unstippled, any width */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define WIDE 1 -#define PLOT(X,Y) PB_WRITE_PIXEL(ctx->PB, X, Y, Z, fog0); -#include "linetemp.h" - } - } - - gl_flush_pb(ctx); -} - - -/* Flat-shaded, textured, any width, maybe stippled */ -static void flat_textured_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pv ) -{ - GLint count; - GLint *pbx = ctx->PB->x; - GLint *pby = ctx->PB->y; - GLdepth *pbz = ctx->PB->z; - GLfixed *pbfog = ctx->PB->fog; - GLfloat *pbs = ctx->PB->s[0]; - GLfloat *pbt = ctx->PB->t[0]; - GLfloat *pbu = ctx->PB->u[0]; - GLchan *color = ctx->VB->ColorPtr->data[pv]; - PB_SET_COLOR( ctx->PB, color[0], color[1], color[2], color[3] ); - count = ctx->PB->count; - - if (ctx->Line.StippleFlag) { - /* stippled */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define INTERP_TEX 1 -#define WIDE 1 -#define STIPPLE 1 -#define PLOT(X,Y) \ - { \ - pbx[count] = X; \ - pby[count] = Y; \ - pbz[count] = Z; \ - pbfog[count] = fog0; \ - pbs[count] = fragTexcoord[0];\ - pbt[count] = fragTexcoord[1];\ - pbu[count] = fragTexcoord[2];\ - count++; \ - CHECK_FULL(count); \ - } -#include "linetemp.h" - } - else { - /* unstippled */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define INTERP_TEX 1 -#define WIDE 1 -#define PLOT(X,Y) \ - { \ - pbx[count] = X; \ - pby[count] = Y; \ - pbz[count] = Z; \ - pbfog[count] = fog0; \ - pbs[count] = fragTexcoord[0];\ - pbt[count] = fragTexcoord[1];\ - pbu[count] = fragTexcoord[2];\ - count++; \ - CHECK_FULL(count); \ - } -#include "linetemp.h" - } - - ctx->PB->count = count; - gl_flush_pb(ctx); -} - - - -/* Smooth-shaded, textured, any width, maybe stippled */ -static void smooth_textured_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ - GLint count = ctx->PB->count; - GLint *pbx = ctx->PB->x; - GLint *pby = ctx->PB->y; - GLdepth *pbz = ctx->PB->z; - GLfixed *pbfog = ctx->PB->fog; - GLfloat *pbs = ctx->PB->s[0]; - GLfloat *pbt = ctx->PB->t[0]; - GLfloat *pbu = ctx->PB->u[0]; - GLchan (*pbrgba)[4] = ctx->PB->rgba; - (void) pvert; - - ctx->PB->mono = GL_FALSE; - - if (ctx->Line.StippleFlag) { - /* stippled */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define INTERP_RGB 1 -#define INTERP_ALPHA 1 -#define INTERP_TEX 1 -#define WIDE 1 -#define STIPPLE 1 -#define PLOT(X,Y) \ - { \ - pbx[count] = X; \ - pby[count] = Y; \ - pbz[count] = Z; \ - pbfog[count] = fog0; \ - pbs[count] = fragTexcoord[0]; \ - pbt[count] = fragTexcoord[1]; \ - pbu[count] = fragTexcoord[2]; \ - pbrgba[count][RCOMP] = FixedToInt(r0); \ - pbrgba[count][GCOMP] = FixedToInt(g0); \ - pbrgba[count][BCOMP] = FixedToInt(b0); \ - pbrgba[count][ACOMP] = FixedToInt(a0); \ - count++; \ - CHECK_FULL(count); \ - } -#include "linetemp.h" - } - else { - /* unstippled */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define INTERP_RGB 1 -#define INTERP_ALPHA 1 -#define INTERP_TEX 1 -#define WIDE 1 -#define PLOT(X,Y) \ - { \ - pbx[count] = X; \ - pby[count] = Y; \ - pbz[count] = Z; \ - pbfog[count] = fog0; \ - pbs[count] = fragTexcoord[0]; \ - pbt[count] = fragTexcoord[1]; \ - pbu[count] = fragTexcoord[2]; \ - pbrgba[count][RCOMP] = FixedToInt(r0); \ - pbrgba[count][GCOMP] = FixedToInt(g0); \ - pbrgba[count][BCOMP] = FixedToInt(b0); \ - pbrgba[count][ACOMP] = FixedToInt(a0); \ - count++; \ - CHECK_FULL(count); \ - } -#include "linetemp.h" - } - - ctx->PB->count = count; - gl_flush_pb(ctx); -} - - -/* Smooth-shaded, multitextured, any width, maybe stippled, separate specular - * color interpolation. - */ -static void smooth_multitextured_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ - GLint count = ctx->PB->count; - GLint *pbx = ctx->PB->x; - GLint *pby = ctx->PB->y; - GLdepth *pbz = ctx->PB->z; - GLfixed *pbfog = ctx->PB->fog; - GLchan (*pbrgba)[4] = ctx->PB->rgba; - GLchan (*pbspec)[3] = ctx->PB->spec; - - (void) pvert; - - ctx->PB->mono = GL_FALSE; - - if (ctx->Line.StippleFlag) { - /* stippled */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define INTERP_RGB 1 -#define INTERP_SPEC 1 -#define INTERP_ALPHA 1 -#define INTERP_MULTITEX 1 -#define WIDE 1 -#define STIPPLE 1 -#define PLOT(X,Y) \ - { \ - GLuint u; \ - pbx[count] = X; \ - pby[count] = Y; \ - pbz[count] = Z; \ - pbfog[count] = fog0; \ - pbrgba[count][RCOMP] = FixedToInt(r0); \ - pbrgba[count][GCOMP] = FixedToInt(g0); \ - pbrgba[count][BCOMP] = FixedToInt(b0); \ - pbrgba[count][ACOMP] = FixedToInt(a0); \ - pbspec[count][RCOMP] = FixedToInt(sr0); \ - pbspec[count][GCOMP] = FixedToInt(sg0); \ - pbspec[count][BCOMP] = FixedToInt(sb0); \ - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { \ - if (ctx->Texture.Unit[u].ReallyEnabled) { \ - ctx->PB->s[u][0] = fragTexcoord[u][0]; \ - ctx->PB->s[u][1] = fragTexcoord[u][1]; \ - ctx->PB->s[u][2] = fragTexcoord[u][2]; \ - ctx->PB->s[u][3] = fragTexcoord[u][3]; \ - } \ - } \ - count++; \ - CHECK_FULL(count); \ - } -#include "linetemp.h" - } - else { - /* unstippled */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define INTERP_RGB 1 -#define INTERP_SPEC 1 -#define INTERP_ALPHA 1 -#define INTERP_MULTITEX 1 -#define WIDE 1 -#define PLOT(X,Y) \ - { \ - GLuint u; \ - pbx[count] = X; \ - pby[count] = Y; \ - pbz[count] = Z; \ - pbfog[count] = fog0; \ - pbrgba[count][RCOMP] = FixedToInt(r0); \ - pbrgba[count][GCOMP] = FixedToInt(g0); \ - pbrgba[count][BCOMP] = FixedToInt(b0); \ - pbrgba[count][ACOMP] = FixedToInt(a0); \ - pbspec[count][RCOMP] = FixedToInt(sr0); \ - pbspec[count][GCOMP] = FixedToInt(sg0); \ - pbspec[count][BCOMP] = FixedToInt(sb0); \ - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { \ - if (ctx->Texture.Unit[u].ReallyEnabled) { \ - ctx->PB->s[u][0] = fragTexcoord[u][0]; \ - ctx->PB->s[u][1] = fragTexcoord[u][1]; \ - ctx->PB->s[u][2] = fragTexcoord[u][2]; \ - ctx->PB->s[u][3] = fragTexcoord[u][3]; \ - } \ - } \ - count++; \ - CHECK_FULL(count); \ - } -#include "linetemp.h" - } - - ctx->PB->count = count; - gl_flush_pb(ctx); -} - - -/* Flat-shaded, multitextured, any width, maybe stippled, separate specular - * color interpolation. - */ -static void flat_multitextured_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ - GLint count = ctx->PB->count; - GLint *pbx = ctx->PB->x; - GLint *pby = ctx->PB->y; - GLdepth *pbz = ctx->PB->z; - GLfixed *pbfog = ctx->PB->fog; - GLchan (*pbrgba)[4] = ctx->PB->rgba; - GLchan (*pbspec)[3] = ctx->PB->spec; - GLchan *color = ctx->VB->ColorPtr->data[pvert]; - GLchan sRed = ctx->VB->SecondaryColorPtr->data ? ctx->VB->SecondaryColorPtr->data[pvert][0] : 0; - GLchan sGreen = ctx->VB->SecondaryColorPtr->data ? ctx->VB->SecondaryColorPtr->data[pvert][1] : 0; - GLchan sBlue = ctx->VB->SecondaryColorPtr->data ? ctx->VB->SecondaryColorPtr->data[pvert][2] : 0; - - (void) pvert; - - ctx->PB->mono = GL_FALSE; - - if (ctx->Line.StippleFlag) { - /* stippled */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define INTERP_ALPHA 1 -#define INTERP_MULTITEX 1 -#define WIDE 1 -#define STIPPLE 1 -#define PLOT(X,Y) \ - { \ - GLuint u; \ - pbx[count] = X; \ - pby[count] = Y; \ - pbz[count] = Z; \ - pbfog[count] = fog0; \ - pbrgba[count][RCOMP] = color[0]; \ - pbrgba[count][GCOMP] = color[1]; \ - pbrgba[count][BCOMP] = color[2]; \ - pbrgba[count][ACOMP] = color[3]; \ - pbspec[count][RCOMP] = sRed; \ - pbspec[count][GCOMP] = sGreen; \ - pbspec[count][BCOMP] = sBlue; \ - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { \ - if (ctx->Texture.Unit[u].ReallyEnabled) { \ - ctx->PB->s[u][0] = fragTexcoord[u][0]; \ - ctx->PB->s[u][1] = fragTexcoord[u][1]; \ - ctx->PB->s[u][2] = fragTexcoord[u][2]; \ - ctx->PB->s[u][3] = fragTexcoord[u][3]; \ - } \ - } \ - count++; \ - CHECK_FULL(count); \ - } -#include "linetemp.h" - } - else { - /* unstippled */ -#define INTERP_XY 1 -#define INTERP_Z 1 -#define INTERP_ALPHA 1 -#define INTERP_MULTITEX 1 -#define WIDE 1 -#define PLOT(X,Y) \ - { \ - GLuint u; \ - pbx[count] = X; \ - pby[count] = Y; \ - pbz[count] = Z; \ - pbfog[count] = fog0; \ - pbrgba[count][RCOMP] = color[0]; \ - pbrgba[count][GCOMP] = color[1]; \ - pbrgba[count][BCOMP] = color[2]; \ - pbrgba[count][ACOMP] = color[3]; \ - pbspec[count][RCOMP] = sRed; \ - pbspec[count][GCOMP] = sGreen; \ - pbspec[count][BCOMP] = sBlue; \ - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { \ - if (ctx->Texture.Unit[u].ReallyEnabled) { \ - ctx->PB->s[u][0] = fragTexcoord[u][0]; \ - ctx->PB->s[u][1] = fragTexcoord[u][1]; \ - ctx->PB->s[u][2] = fragTexcoord[u][2]; \ - ctx->PB->s[u][3] = fragTexcoord[u][3]; \ - } \ - } \ - count++; \ - CHECK_FULL(count); \ - } -#include "linetemp.h" - } - - ctx->PB->count = count; - gl_flush_pb(ctx); -} - - - - -/* - * Antialiased RGBA line - * - * This AA line function isn't terribly efficient but it's pretty - * straight-forward to understand. Also, it doesn't exactly conform - * to the specification. - */ -static void aa_rgba_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ -#define INTERP_RGBA 1 -#define PLOT(x, y) \ - { \ - PB_WRITE_RGBA_PIXEL( pb, (x), (y), z, fog0, \ - red, green, blue, coverage ); \ - } -#include "lnaatemp.h" -} - -/* - * Antialiased Textured RGBA line - * - * This AA line function isn't terribly efficient but it's pretty - * straight-forward to understand. Also, it doesn't exactly conform - * to the specification. - */ -static void aa_tex_rgba_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ -#define INTERP_RGBA 1 -#define INTERP_TEX 1 -#define PLOT(x, y) \ - { \ - PB_WRITE_TEX_PIXEL( pb, (x), (y), z, fog0, \ - red, green, blue, coverage, \ - fragTexcoord[0], fragTexcoord[1], fragTexcoord[2] ); \ - } -#include "lnaatemp.h" -} - - -/* - * Antialiased Multitextured RGBA line - * - * This AA line function isn't terribly efficient but it's pretty - * straight-forward to understand. Also, it doesn't exactly conform - * to the specification. - */ -static void aa_multitex_rgba_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ -#define INTERP_RGBA 1 -#define INTERP_SPEC 1 -#define INTERP_MULTITEX 1 -#define PLOT(x, y) \ - { \ - PB_WRITE_MULTITEX_SPEC_PIXEL( pb, (x), (y), z, fog0, \ - red, green, blue, coverage, specRed, specGreen, specBlue, \ - fragTexcoord ); \ - } -#include "lnaatemp.h" -} - - -/* - * Antialiased CI line. Same comments for RGBA antialiased lines apply. - */ -static void aa_ci_line( GLcontext *ctx, - GLuint vert0, GLuint vert1, GLuint pvert ) -{ -#define INTERP_INDEX 1 -#define PLOT(x, y) \ - { \ - PB_WRITE_CI_PIXEL( pb, (x), (y), z, fog0, index + coverage ); \ - } -#include "lnaatemp.h" -} - - -/* - * Null rasterizer for measuring transformation speed. - */ -static void null_line( GLcontext *ctx, GLuint v1, GLuint v2, GLuint pv ) -{ - (void) ctx; - (void) v1; - (void) v2; - (void) pv; -} - - - -#ifdef DEBUG -void -_mesa_print_line_function(GLcontext *ctx) -{ - printf("Line Func == "); - if (ctx->Driver.LineFunc == flat_ci_line) - printf("flat_ci_line\n"); - else if (ctx->Driver.LineFunc == flat_ci_z_line) - printf("flat_ci_z_line\n"); - else if (ctx->Driver.LineFunc == flat_rgba_line) - printf("flat_rgba_line\n"); - else if (ctx->Driver.LineFunc == flat_rgba_z_line) - printf("flat_rgba_z_line\n"); - else if (ctx->Driver.LineFunc == smooth_ci_line) - printf("smooth_ci_line\n"); - else if (ctx->Driver.LineFunc == smooth_ci_z_line) - printf("smooth_ci_z_line\n"); - else if (ctx->Driver.LineFunc == smooth_rgba_line) - printf("smooth_rgba_line\n"); - else if (ctx->Driver.LineFunc == smooth_rgba_z_line) - printf("smooth_rgba_z_line\n"); - else if (ctx->Driver.LineFunc == general_smooth_ci_line) - printf("general_smooth_ci_line\n"); - else if (ctx->Driver.LineFunc == general_flat_ci_line) - printf("general_flat_ci_line\n"); - else if (ctx->Driver.LineFunc == general_smooth_rgba_line) - printf("general_smooth_rgba_line\n"); - else if (ctx->Driver.LineFunc == general_flat_rgba_line) - printf("general_flat_rgba_line\n"); - else if (ctx->Driver.LineFunc == flat_textured_line) - printf("flat_textured_line\n"); - else if (ctx->Driver.LineFunc == smooth_textured_line) - printf("smooth_textured_line\n"); - else if (ctx->Driver.LineFunc == smooth_multitextured_line) - printf("smooth_multitextured_line\n"); - else if (ctx->Driver.LineFunc == flat_multitextured_line) - printf("flat_multitextured_line\n"); - else if (ctx->Driver.LineFunc == aa_rgba_line) - printf("aa_rgba_line\n"); - else if (ctx->Driver.LineFunc == aa_tex_rgba_line) - printf("aa_tex_rgba_line\n"); - else if (ctx->Driver.LineFunc == aa_multitex_rgba_line) - printf("aa_multitex_rgba_line\n"); - else if (ctx->Driver.LineFunc == aa_ci_line) - printf("aa_ci_line\n"); - else if (ctx->Driver.LineFunc == null_line) - printf("null_line\n"); - else - printf("Driver func %p\n", ctx->Driver.LineFunc); -} -#endif - - - -/* - * Determine which line drawing function to use given the current - * rendering context. - * - * Please update the summary flag _SWRAST_NEW_LINE if you add or remove - * tests to this code. - */ -void gl_set_line_function( GLcontext *ctx ) -{ - GLboolean rgbmode = ctx->Visual.RGBAflag; - /* TODO: antialiased lines */ - - if (ctx->RenderMode==GL_RENDER) { - if (ctx->NoRaster) { - ctx->Driver.LineFunc = null_line; - return; - } - if (ctx->Driver.LineFunc) { - /* Device driver will draw lines. */ - return; - } - - if (ctx->Line.SmoothFlag) { - /* antialiased lines */ - if (rgbmode) { - if (ctx->Texture.ReallyEnabled) { - if (ctx->Texture.MultiTextureEnabled - || ctx->Light.Model.ColorControl==GL_SEPARATE_SPECULAR_COLOR - || ctx->Fog.ColorSumEnabled) - /* Multitextured! */ - ctx->Driver.LineFunc = aa_multitex_rgba_line; - else - ctx->Driver.LineFunc = aa_tex_rgba_line; - } else { - ctx->Driver.LineFunc = aa_rgba_line; - } - } - else { - ctx->Driver.LineFunc = aa_ci_line; - } - } - else if (ctx->Texture.ReallyEnabled) { - if (ctx->Texture.MultiTextureEnabled - || ctx->Light.Model.ColorControl==GL_SEPARATE_SPECULAR_COLOR - || ctx->Fog.ColorSumEnabled) { - /* multi-texture and/or separate specular color */ - if (ctx->Light.ShadeModel==GL_SMOOTH) - ctx->Driver.LineFunc = smooth_multitextured_line; - else - ctx->Driver.LineFunc = flat_multitextured_line; - } - else { - if (ctx->Light.ShadeModel==GL_SMOOTH) { - ctx->Driver.LineFunc = smooth_textured_line; - } - else { - ctx->Driver.LineFunc = flat_textured_line; - } - } - } - else if (ctx->Line.Width!=1.0 || ctx->Line.StippleFlag - || ctx->Line.SmoothFlag) { - if (ctx->Light.ShadeModel==GL_SMOOTH) { - if (rgbmode) - ctx->Driver.LineFunc = general_smooth_rgba_line; - else - ctx->Driver.LineFunc = general_smooth_ci_line; - } - else { - if (rgbmode) - ctx->Driver.LineFunc = general_flat_rgba_line; - else - ctx->Driver.LineFunc = general_flat_ci_line; - } - } - else { - if (ctx->Light.ShadeModel==GL_SMOOTH) { - /* Width==1, non-stippled, smooth-shaded */ - if (ctx->Depth.Test || ctx->Fog.Enabled) { - if (rgbmode) - ctx->Driver.LineFunc = smooth_rgba_z_line; - else - ctx->Driver.LineFunc = smooth_ci_z_line; - } - else { - if (rgbmode) - ctx->Driver.LineFunc = smooth_rgba_line; - else - ctx->Driver.LineFunc = smooth_ci_line; - } - } - else { - /* Width==1, non-stippled, flat-shaded */ - if (ctx->Depth.Test || ctx->Fog.Enabled) { - if (rgbmode) - ctx->Driver.LineFunc = flat_rgba_z_line; - else - ctx->Driver.LineFunc = flat_ci_z_line; - } - else { - if (rgbmode) - ctx->Driver.LineFunc = flat_rgba_line; - else - ctx->Driver.LineFunc = flat_ci_line; - } - } - } - } - else if (ctx->RenderMode==GL_FEEDBACK) { - ctx->Driver.LineFunc = gl_feedback_line; - } - else { - /* GL_SELECT mode */ - ctx->Driver.LineFunc = gl_select_line; - } - - /*_mesa_print_line_function(ctx);*/ -} -- cgit v1.2.3