-/* $Id: s_lines.c,v 1.2 2000/11/05 18:24:40 keithw Exp $ */
+/* $Id: s_lines.c,v 1.3 2000/11/05 23:18:36 brianp Exp $ */
/*
* Mesa 3-D graphics library
#include "macros.h"
#include "mmath.h"
#include "vb.h"
-
+#include "s_aaline.h"
#include "s_pb.h"
#include "s_context.h"
#include "s_depth.h"
*/
-/*
- * All line drawing functions have the same arguments:
- * v1, v2 - indexes of first and second endpoints into vertex buffer arrays
- */
-
-
-
-
-
-
-#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,
#define INTERP_RGB 1
#define INTERP_ALPHA 1
-#define PLOT(X,Y) \
- pbx[count] = X; \
- pby[count] = Y; \
- pbz[count] = Z; \
+#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); \
}
-#define CHECK_FULL(count) \
- if (count >= PB_SIZE-MAX_WIDTH) { \
- PB->count = count; \
- gl_flush_pb(ctx); \
- count = PB->count; \
- }
+#define CHECK_FULL(count) \
+ if (count >= PB_SIZE-MAX_WIDTH) { \
+ PB->count = count; \
+ gl_flush_pb(ctx); \
+ count = PB->count; \
+ }
pbx[count] = X; \
pby[count] = Y; \
pbz[count] = Z; \
- pbfog[count] = fog0; \
+ pbfog[count] = fog0; \
pbi[count] = I; \
count++; \
CHECK_FULL(count);
#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; \
+#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; \
+ 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; \
+#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; \
+ pbi[count] = I; pbi[count+1] = I; \
+ count += 2; \
CHECK_FULL(count);
#include "s_linetemp.h"
}
pbx[count] = X; \
pby[count] = Y; \
pbz[count] = Z; \
- pbfog[count] = fog0; \
+ pbfog[count] = fog0; \
count++; \
CHECK_FULL(count);
#include "s_linetemp.h"
/* 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; \
+#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; \
+ 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; \
+#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; \
+ count += 2; \
CHECK_FULL(count);
#include "s_linetemp.h"
}
pbx[count] = X; \
pby[count] = Y; \
pbz[count] = Z; \
- pbfog[count] = fog0; \
+ pbfog[count] = fog0; \
count++; \
CHECK_FULL(count);
#include "s_linetemp.h"
pbx[count] = X; \
pby[count] = Y; \
pbz[count] = Z; \
- pbfog[count] = fog0; \
+ pbfog[count] = fog0; \
pbrgba[count][RCOMP] = FixedToInt(r0); \
pbrgba[count][GCOMP] = FixedToInt(g0); \
pbrgba[count][BCOMP] = FixedToInt(b0); \
pbx[count] = X; \
pby[count] = Y; \
pbz[count] = Z; \
- pbfog[count] = fog0; \
+ pbfog[count] = fog0; \
pbrgba[count][RCOMP] = FixedToInt(r0); \
pbrgba[count][GCOMP] = FixedToInt(g0); \
pbrgba[count][BCOMP] = FixedToInt(b0); \
pbx[count] = X; \
pby[count] = Y; \
pbz[count] = Z; \
- pbfog[count] = fog0; \
+ pbfog[count] = fog0; \
pbs[count] = fragTexcoord[0]; \
pbt[count] = fragTexcoord[1]; \
pbu[count] = fragTexcoord[2]; \
pbx[count] = X; \
pby[count] = Y; \
pbz[count] = Z; \
- pbfog[count] = fog0; \
+ pbfog[count] = fog0; \
pbs[count] = fragTexcoord[0]; \
pbt[count] = fragTexcoord[1]; \
pbu[count] = fragTexcoord[2]; \
pbx[count] = X; \
pby[count] = Y; \
pbz[count] = Z; \
- pbfog[count] = fog0; \
+ pbfog[count] = fog0; \
pbrgba[count][RCOMP] = FixedToInt(r0); \
pbrgba[count][GCOMP] = FixedToInt(g0); \
pbrgba[count][BCOMP] = FixedToInt(b0); \
pbspec[count][GCOMP] = FixedToInt(sg0); \
pbspec[count][BCOMP] = FixedToInt(sb0); \
for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { \
- if (ctx->Texture.Unit[u]._ReallyEnabled) { \
+ if (ctx->Texture.Unit[u]._ReallyEnabled) { \
PB->s[u][0] = fragTexcoord[u][0]; \
PB->s[u][1] = fragTexcoord[u][1]; \
PB->s[u][2] = fragTexcoord[u][2]; \
pbx[count] = X; \
pby[count] = Y; \
pbz[count] = Z; \
- pbfog[count] = fog0; \
+ pbfog[count] = fog0; \
pbrgba[count][RCOMP] = FixedToInt(r0); \
pbrgba[count][GCOMP] = FixedToInt(g0); \
pbrgba[count][BCOMP] = FixedToInt(b0); \
pbspec[count][GCOMP] = FixedToInt(sg0); \
pbspec[count][BCOMP] = FixedToInt(sb0); \
for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { \
- if (ctx->Texture.Unit[u]._ReallyEnabled) { \
+ if (ctx->Texture.Unit[u]._ReallyEnabled) { \
PB->s[u][0] = fragTexcoord[u][0]; \
PB->s[u][1] = fragTexcoord[u][1]; \
PB->s[u][2] = fragTexcoord[u][2]; \
pbx[count] = X; \
pby[count] = Y; \
pbz[count] = Z; \
- pbfog[count] = fog0; \
+ pbfog[count] = fog0; \
pbrgba[count][RCOMP] = color[0]; \
pbrgba[count][GCOMP] = color[1]; \
pbrgba[count][BCOMP] = color[2]; \
pbspec[count][GCOMP] = sGreen; \
pbspec[count][BCOMP] = sBlue; \
for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { \
- if (ctx->Texture.Unit[u]._ReallyEnabled) { \
+ if (ctx->Texture.Unit[u]._ReallyEnabled) { \
PB->s[u][0] = fragTexcoord[u][0]; \
PB->s[u][1] = fragTexcoord[u][1]; \
PB->s[u][2] = fragTexcoord[u][2]; \
pbx[count] = X; \
pby[count] = Y; \
pbz[count] = Z; \
- pbfog[count] = fog0; \
+ pbfog[count] = fog0; \
pbrgba[count][RCOMP] = color[0]; \
pbrgba[count][GCOMP] = color[1]; \
pbrgba[count][BCOMP] = color[2]; \
pbspec[count][GCOMP] = sGreen; \
pbspec[count][BCOMP] = sBlue; \
for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { \
- if (ctx->Texture.Unit[u]._ReallyEnabled) { \
+ if (ctx->Texture.Unit[u]._ReallyEnabled) { \
PB->s[u][0] = fragTexcoord[u][0]; \
PB->s[u][1] = fragTexcoord[u][1]; \
PB->s[u][2] = fragTexcoord[u][2]; \
-
-/*
- * 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,
- SWvertex *vert0,
- SWvertex *vert1 )
-{
-#define INTERP_RGBA 1
-#define PLOT(x, y) \
- { \
- PB_WRITE_RGBA_PIXEL( pb, (x), (y), z, fog0, \
- red, green, blue, coverage ); \
- }
-#include "s_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,
- SWvertex *vert0,
- SWvertex *vert1 )
-{
-#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 "s_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,
- SWvertex *vert0,
- SWvertex *vert1 )
-{
-#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 "s_lnaatemp.h"
-}
-
-
-/*
- * Antialiased CI line. Same comments for RGBA antialiased lines apply.
- */
-static void aa_ci_line( GLcontext *ctx,
- SWvertex *vert0,
- SWvertex *vert1 )
-{
-#define INTERP_INDEX 1
-#define PLOT(x, y) \
- { \
- PB_WRITE_CI_PIXEL( pb, (x), (y), z, fog0, index + coverage ); \
- }
-#include "s_lnaatemp.h"
-}
-
-
-
#ifdef DEBUG
void
_mesa_print_line_function(GLcontext *ctx)
printf("smooth_multitextured_line\n");
else if (swrast->Line == flat_multitextured_line)
printf("flat_multitextured_line\n");
- else if (swrast->Line == aa_rgba_line)
- printf("aa_rgba_line\n");
- else if (swrast->Line == aa_tex_rgba_line)
- printf("aa_tex_rgba_line\n");
- else if (swrast->Line == aa_multitex_rgba_line)
- printf("aa_multitex_rgba_line\n");
- else if (swrast->Line == aa_ci_line)
- printf("aa_ci_line\n");
else
printf("Driver func %p\n", swrast->Line);
}
_swrast_choose_line( GLcontext *ctx )
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
-
- GLboolean rgbmode = ctx->Visual.RGBAflag;
- /* TODO: antialiased lines */
+ const GLboolean rgbmode = ctx->Visual.RGBAflag;
if (ctx->RenderMode==GL_RENDER) {
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! */
- swrast->Line = aa_multitex_rgba_line;
- else
- swrast->Line = aa_tex_rgba_line;
- } else {
- swrast->Line = aa_rgba_line;
- }
- }
- else {
- swrast->Line = aa_ci_line;
- }
+ _swrast_choose_aa_line_function(ctx);
+ ASSERT(swrast->Triangle);
}
else if (ctx->Texture._ReallyEnabled) {
if (ctx->Texture._MultiTextureEnabled
}
}
}
- else if (ctx->Line.Width!=1.0 || ctx->Line.StippleFlag
- || ctx->Line.SmoothFlag) {
+ else if (ctx->Line.Width!=1.0 || ctx->Line.StippleFlag) {
if (ctx->Light.ShadeModel==GL_SMOOTH) {
if (rgbmode)
swrast->Line = general_smooth_rgba_line;
/*_mesa_print_line_function(ctx);*/
}
-
-
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