-/* $Id: s_lines.c,v 1.24 2002/01/16 20:15:00 brianp Exp $ */
+/* $Id: s_lines.c,v 1.25 2002/02/02 21:40:33 brianp Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 3.5
+ * Version: 4.1
*
- * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2002 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"),
#include "macros.h"
#include "mmath.h"
#include "s_aaline.h"
-#include "s_pb.h"
#include "s_context.h"
#include "s_depth.h"
-#include "s_lines.h"
#include "s_feedback.h"
+#include "s_lines.h"
+#include "s_span.h"
+/*
+ * Init the mask[] array to implement a line stipple.
+ */
+static void
+compute_stipple_mask( GLcontext *ctx, GLuint len, GLubyte mask[] )
+{
+ SWcontext *swrast = SWRAST_CONTEXT(ctx);
+ GLuint i;
-/**********************************************************************/
-/***** Rasterization *****/
-/**********************************************************************/
+ for (i = 0; i < len; i++) {
+ GLuint bit = (swrast->StippleCounter / ctx->Line.StippleFactor) & 0xf;
+ if ((1 << bit) & ctx->Line.StipplePattern) {
+ mask[i] = GL_TRUE;
+ }
+ else {
+ mask[i] = GL_FALSE;
+ }
+ swrast->StippleCounter++;
+ }
+}
/*
- * 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)
+ * To draw a wide line we can simply redraw the span N times, side by side.
*/
-
-
-/* Flat, color index line */
-static void flat_ci_line( GLcontext *ctx,
- const SWvertex *vert0,
- const SWvertex *vert1 )
+static void
+draw_wide_line( GLcontext *ctx, struct sw_span *span, GLboolean xMajor )
{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
+ GLint width, start;
- PB_SET_INDEX( PB, vert0->index );
+ ASSERT(span->end < MAX_WIDTH);
-#define INTERP_XY 1
-#define PLOT(X,Y) PB_WRITE_PIXEL(PB, X, Y, 0, 0);
+ width = (GLint) CLAMP( ctx->Line.Width, MIN_LINE_WIDTH, MAX_LINE_WIDTH );
-#include "s_linetemp.h"
-
- _mesa_flush_pb(ctx);
+ if (width & 1)
+ start = width / 2;
+ else
+ start = width / 2 - 1;
+
+ if (xMajor) {
+ GLuint i, w;
+ for (w = 0; w < width; w++) {
+ if (w == 0) {
+ for (i = 0; i < span->end; i++)
+ span->yArray[i] -= start;
+ }
+ else {
+ for (i = 0; i < span->end; i++)
+ span->yArray[i]++;
+ }
+ if ((span->interpMask | span->arrayMask) & SPAN_TEXTURE)
+ _mesa_write_texture_span(ctx, span, GL_LINE);
+ else if ((span->interpMask | span->arrayMask) & SPAN_RGBA)
+ _mesa_write_rgba_span(ctx, span, GL_LINE);
+ else
+ _mesa_write_index_span(ctx, span, GL_LINE);
+ }
+ }
+ else {
+ GLuint i, w;
+ for (w = 0; w < width; w++) {
+ if (w == 0) {
+ for (i = 0; i < span->end; i++)
+ span->xArray[i] -= start;
+ }
+ else {
+ for (i = 0; i < span->end; i++)
+ span->xArray[i]++;
+ }
+ if ((span->interpMask | span->arrayMask) & SPAN_TEXTURE)
+ _mesa_write_texture_span(ctx, span, GL_LINE);
+ else if ((span->interpMask | span->arrayMask) & SPAN_RGBA)
+ _mesa_write_rgba_span(ctx, span, GL_LINE);
+ else
+ _mesa_write_index_span(ctx, span, GL_LINE);
+ }
+ }
}
-/* Flat, color index line with Z interpolation/testing */
-static void flat_ci_z_line( GLcontext *ctx,
- const SWvertex *vert0,
- const SWvertex *vert1 )
+/**********************************************************************/
+/***** Rasterization *****/
+/**********************************************************************/
+
+
+/* Flat, color index line */
+static void flat_ci_line( GLcontext *ctx,
+ const SWvertex *vert0,
+ const SWvertex *vert1 )
{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- PB_SET_INDEX( PB, vert0->index );
+ struct sw_span span;
+
+ ASSERT(ctx->Light.ShadeModel == GL_FLAT);
+ ASSERT(!ctx->Line.StippleFlag);
+ ASSERT(ctx->Line.Width == 1.0F);
+
+ INIT_SPAN(span);
+ span.arrayMask |= SPAN_XY;
+ span.interpMask |= SPAN_INDEX;
+ span.index = IntToFixed(vert1->index);
+ span.indexStep = 0;
#define INTERP_XY 1
-#define INTERP_Z 1
-#define INTERP_FOG 1
-#define PLOT(X,Y) PB_WRITE_PIXEL(PB, X, Y, Z, fog0);
+#define PLOT(X,Y) \
+ { \
+ span.xArray[span.end] = X; \
+ span.yArray[span.end] = Y; \
+ span.end++; \
+ }
#include "s_linetemp.h"
- _mesa_flush_pb(ctx);
+ _mesa_write_index_span(ctx, &span, GL_LINE);
}
-
/* Flat-shaded, RGBA line */
static void flat_rgba_line( GLcontext *ctx,
const SWvertex *vert0,
const SWvertex *vert1 )
{
- const GLchan *color = vert1->color;
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- PB_SET_COLOR( PB, color[0], color[1], color[2], color[3] );
+ struct sw_span span;
+
+ ASSERT(ctx->Light.ShadeModel == GL_FLAT);
+ ASSERT(!ctx->Line.StippleFlag);
+ ASSERT(ctx->Line.Width == 1.0F);
+
+ INIT_SPAN(span);
+ span.arrayMask |= SPAN_XY;
+ span.interpMask |= SPAN_RGBA;
+ 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;
#define INTERP_XY 1
-#define PLOT(X,Y) PB_WRITE_PIXEL(PB, X, Y, 0, 0);
-
-#include "s_linetemp.h"
-
- _mesa_flush_pb(ctx);
-}
-
-
-
-/* Flat-shaded, RGBA line with Z interpolation/testing */
-static void flat_rgba_z_line( GLcontext *ctx,
- const SWvertex *vert0,
- const SWvertex *vert1 )
-{
- const GLchan *color = vert1->color;
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- PB_SET_COLOR( PB, color[0], color[1], color[2], color[3] );
-
-#define INTERP_XY 1
-#define INTERP_Z 1
-#define INTERP_FOG 1
-#define PLOT(X,Y) PB_WRITE_PIXEL(PB, X, Y, Z, fog0);
+#define PLOT(X,Y) \
+ { \
+ span.xArray[span.end] = X; \
+ span.yArray[span.end] = Y; \
+ span.end++; \
+ }
#include "s_linetemp.h"
- _mesa_flush_pb(ctx);
+ _mesa_write_rgba_span(ctx, &span, GL_LINE);
}
-
/* Smooth shaded, color index line */
static void smooth_ci_line( GLcontext *ctx,
const SWvertex *vert0,
const SWvertex *vert1 )
{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- GLint count = PB->count;
- GLint *pbx = PB->x;
- GLint *pby = PB->y;
- GLuint *pbi = PB->index;
-
- PB->mono = GL_FALSE;
-
-#define INTERP_XY 1
-#define INTERP_INDEX 1
+ struct sw_span span;
-#define PLOT(X,Y) \
- pbx[count] = X; \
- pby[count] = Y; \
- pbi[count] = I; \
- count++;
-
-#include "s_linetemp.h"
-
- PB->count = count;
- _mesa_flush_pb(ctx);
-}
+ ASSERT(ctx->Light.ShadeModel == GL_SMOOTH);
+ ASSERT(!ctx->Line.StippleFlag);
+ ASSERT(ctx->Line.Width == 1.0F);
-
-
-/* Smooth shaded, color index line with Z interpolation/testing */
-static void smooth_ci_z_line( GLcontext *ctx,
- const SWvertex *vert0,
- const SWvertex *vert1 )
-{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- GLint count = PB->count;
- GLint *pbx = PB->x;
- GLint *pby = PB->y;
- GLdepth *pbz = PB->z;
- GLuint *pbi = PB->index;
-
- PB->mono = GL_FALSE;
+ INIT_SPAN(span);
+ span.arrayMask |= (SPAN_XY | SPAN_INDEX);
#define INTERP_XY 1
-#define INTERP_Z 1
-#define INTERP_FOG 1
#define INTERP_INDEX 1
-
-#define PLOT(X,Y) \
- pbx[count] = X; \
- pby[count] = Y; \
- pbz[count] = Z; \
- pbi[count] = I; \
- count++;
+#define PLOT(X,Y) \
+ { \
+ span.xArray[span.end] = X; \
+ span.yArray[span.end] = Y; \
+ span.color.index[span.end] = I; \
+ span.end++; \
+ }
#include "s_linetemp.h"
- PB->count = count;
- _mesa_flush_pb(ctx);
+ _mesa_write_index_span(ctx, &span, GL_LINE);
}
-
/* Smooth-shaded, RGBA line */
static void smooth_rgba_line( GLcontext *ctx,
const SWvertex *vert0,
const SWvertex *vert1 )
{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- GLint count = PB->count;
- GLint *pbx = PB->x;
- GLint *pby = PB->y;
- GLchan (*pbrgba)[4] = PB->rgba;
-
- 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 "s_linetemp.h"
-
- PB->count = count;
- _mesa_flush_pb(ctx);
-}
-
-
-
-/* Smooth-shaded, RGBA line with Z interpolation/testing */
-static void smooth_rgba_z_line( GLcontext *ctx,
- const SWvertex *vert0,
- const SWvertex *vert1 )
-{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- GLint count = PB->count;
- GLint *pbx = PB->x;
- GLint *pby = PB->y;
- GLdepth *pbz = PB->z;
- GLfloat *pbfog = PB->fog;
- GLchan (*pbrgba)[4] = PB->rgba;
+ struct sw_span span;
+ ASSERT(ctx->Light.ShadeModel == GL_SMOOTH);
+ ASSERT(!ctx->Line.StippleFlag);
+ ASSERT(ctx->Line.Width == 1.0F);
- PB->mono = GL_FALSE;
+ INIT_SPAN(span);
+ span.arrayMask |= (SPAN_XY | SPAN_RGBA);
#define INTERP_XY 1
-#define INTERP_Z 1
-#define INTERP_FOG 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++;
+#define PLOT(X,Y) \
+ { \
+ span.xArray[span.end] = X; \
+ span.yArray[span.end] = Y; \
+ span.color.rgba[span.end][RCOMP] = FixedToInt(r0); \
+ span.color.rgba[span.end][GCOMP] = FixedToInt(g0); \
+ span.color.rgba[span.end][BCOMP] = FixedToInt(b0); \
+ span.color.rgba[span.end][ACOMP] = FixedToInt(a0); \
+ span.end++; \
+ }
#include "s_linetemp.h"
- PB->count = count;
- _mesa_flush_pb(ctx);
+ _mesa_write_rgba_span(ctx, &span, GL_LINE);
}
-#define CHECK_FULL(count) \
- if (count >= PB_SIZE-MAX_WIDTH) { \
- PB->count = count; \
- _mesa_flush_pb(ctx); \
- count = PB->count; \
- }
-
-
-
/* Smooth shaded, color index, any width, maybe stippled */
static void general_smooth_ci_line( GLcontext *ctx,
const SWvertex *vert0,
const SWvertex *vert1 )
{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- GLint count = PB->count;
- GLint *pbx = PB->x;
- GLint *pby = PB->y;
- GLdepth *pbz = PB->z;
- GLfloat *pbfog = PB->fog;
- GLuint *pbi = PB->index;
+ GLboolean xMajor = GL_FALSE;
+ struct sw_span span;
- PB->mono = GL_FALSE;
+ ASSERT(ctx->Light.ShadeModel == GL_SMOOTH);
- if (ctx->Line.StippleFlag) {
- /* stippled */
+ INIT_SPAN(span);
+ span.arrayMask |= (SPAN_XY | SPAN_Z | SPAN_FOG | SPAN_INDEX);
+
+#define SET_XMAJOR 1
#define INTERP_XY 1
#define INTERP_Z 1
#define INTERP_FOG 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 "s_linetemp.h"
+#define PLOT(X,Y) \
+ { \
+ span.xArray[span.end] = X; \
+ span.yArray[span.end] = Y; \
+ span.zArray[span.end] = Z; \
+ span.fogArray[span.end] = fog0; \
+ span.color.index[span.end] = I; \
+ span.end++; \
}
- else {
- /* unstippled */
- if (ctx->Line.Width==2.0F) {
- /* special case: unstippled and width=2 */
-#define INTERP_XY 1
-#define INTERP_Z 1
-#define INTERP_FOG 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 "s_linetemp.h"
- }
- else {
- /* unstippled, any width */
-#define INTERP_XY 1
-#define INTERP_Z 1
-#define INTERP_FOG 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 "s_linetemp.h"
- }
+
+ if (ctx->Line.StippleFlag) {
+ span.arrayMask |= SPAN_MASK;
+ compute_stipple_mask(ctx, span.end, span.mask);
}
- PB->count = count;
- _mesa_flush_pb(ctx);
+ if (ctx->Line.Width > 1.0) {
+ draw_wide_line(ctx, &span, xMajor);
+ }
+ else {
+ _mesa_write_index_span(ctx, &span, GL_LINE);
+ }
}
const SWvertex *vert0,
const SWvertex *vert1 )
{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- GLint count;
- GLint *pbx = PB->x;
- GLint *pby = PB->y;
- GLdepth *pbz = PB->z;
- GLfloat *pbfog = PB->fog;
- PB_SET_INDEX( PB, vert0->index );
- count = PB->count;
+ GLboolean xMajor = GL_FALSE;
+ struct sw_span span;
- if (ctx->Line.StippleFlag) {
- /* stippled, any width */
+ ASSERT(ctx->Light.ShadeModel == GL_FLAT);
+
+ INIT_SPAN(span);
+ span.arrayMask |= (SPAN_XY | SPAN_Z | SPAN_FOG);
+ span.interpMask |= SPAN_INDEX;
+ span.index = IntToFixed(vert1->index);
+ span.indexStep = 0;
+
+#define SET_XMAJOR 1
#define INTERP_XY 1
#define INTERP_Z 1
#define INTERP_FOG 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 "s_linetemp.h"
+#define PLOT(X,Y) \
+ { \
+ span.xArray[span.end] = X; \
+ span.yArray[span.end] = Y; \
+ span.zArray[span.end] = Z; \
+ span.fogArray[span.end] = fog0; \
+ span.end++; \
}
- else {
- /* unstippled */
- if (ctx->Line.Width==2.0F) {
- /* special case: unstippled and width=2 */
-#define INTERP_XY 1
-#define INTERP_Z 1
-#define INTERP_FOG 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 "s_linetemp.h"
- }
- else {
- /* unstippled, any width */
-#define INTERP_XY 1
-#define INTERP_Z 1
-#define INTERP_FOG 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 "s_linetemp.h"
- }
+
+ if (ctx->Line.StippleFlag) {
+ span.arrayMask |= SPAN_MASK;
+ compute_stipple_mask(ctx, span.end, span.mask);
}
- PB->count = count;
- _mesa_flush_pb(ctx);
+ if (ctx->Line.Width > 1.0) {
+ draw_wide_line(ctx, &span, xMajor);
+ }
+ else {
+ _mesa_write_index_span(ctx, &span, GL_LINE);
+ }
}
const SWvertex *vert0,
const SWvertex *vert1 )
{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- GLint count = PB->count;
- GLint *pbx = PB->x;
- GLint *pby = PB->y;
- GLdepth *pbz = PB->z;
- GLfloat *pbfog = PB->fog;
- GLchan (*pbrgba)[4] = PB->rgba;
+ GLboolean xMajor = GL_FALSE;
+ struct sw_span span;
- PB->mono = GL_FALSE;
+ ASSERT(ctx->Light.ShadeModel == GL_SMOOTH);
- if (ctx->Line.StippleFlag) {
- /* stippled */
+ INIT_SPAN(span);
+ span.arrayMask |= (SPAN_XY | SPAN_Z | SPAN_FOG | SPAN_RGBA);
+
+#define SET_XMAJOR 1
#define INTERP_XY 1
#define INTERP_Z 1
#define INTERP_FOG 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 "s_linetemp.h"
+#define PLOT(X,Y) \
+ { \
+ span.xArray[span.end] = X; \
+ span.yArray[span.end] = Y; \
+ span.zArray[span.end] = Z; \
+ span.color.rgba[span.end][RCOMP] = FixedToInt(r0); \
+ span.color.rgba[span.end][GCOMP] = FixedToInt(g0); \
+ span.color.rgba[span.end][BCOMP] = FixedToInt(b0); \
+ span.color.rgba[span.end][ACOMP] = FixedToInt(a0); \
+ span.fogArray[span.end] = fog0; \
+ span.end++; \
}
- else {
- /* unstippled */
- if (ctx->Line.Width==2.0F) {
- /* special case: unstippled and width=2 */
-#define INTERP_XY 1
-#define INTERP_Z 1
-#define INTERP_FOG 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 "s_linetemp.h"
- }
- else {
- /* unstippled, any width */
-#define INTERP_XY 1
-#define INTERP_Z 1
-#define INTERP_FOG 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 "s_linetemp.h"
- }
+
+ if (ctx->Line.StippleFlag) {
+ span.arrayMask |= SPAN_MASK;
+ compute_stipple_mask(ctx, span.end, span.mask);
}
- PB->count = count;
- _mesa_flush_pb(ctx);
+ if (ctx->Line.Width > 1.0) {
+ draw_wide_line(ctx, &span, xMajor);
+ }
+ else {
+ _mesa_write_rgba_span(ctx, &span, GL_LINE);
+ }
}
const SWvertex *vert0,
const SWvertex *vert1 )
{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- const GLchan *color = vert1->color;
- GLuint count;
- PB_SET_COLOR( PB, color[0], color[1], color[2], color[3] );
-
- if (ctx->Line.StippleFlag) {
- /* stippled */
+ GLboolean xMajor = GL_FALSE;
+ struct sw_span span;
+
+ ASSERT(ctx->Light.ShadeModel == GL_FLAT);
+
+ INIT_SPAN(span);
+ span.arrayMask |= (SPAN_XY | SPAN_Z | SPAN_FOG);
+ span.interpMask |= SPAN_RGBA;
+ 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;
+
+#define SET_XMAJOR 1
#define INTERP_XY 1
#define INTERP_Z 1
#define INTERP_FOG 1
-#define WIDE 1
-#define STIPPLE 1
-#define PLOT(X,Y) \
- PB_WRITE_PIXEL(PB, X, Y, Z, fog0); \
- count = PB->count; \
- CHECK_FULL(count);
-#include "s_linetemp.h"
+#define PLOT(X,Y) \
+ { \
+ span.xArray[span.end] = X; \
+ span.yArray[span.end] = Y; \
+ span.zArray[span.end] = Z; \
+ span.fogArray[span.end] = fog0; \
+ span.end++; \
}
- else {
- /* unstippled */
- if (ctx->Line.Width==2.0F) {
- /* special case: unstippled and width=2 */
-#define INTERP_XY 1
-#define INTERP_Z 1
-#define INTERP_FOG 1
-#define XMAJOR_PLOT(X,Y) PB_WRITE_PIXEL(PB, X, Y, Z, fog0); \
- PB_WRITE_PIXEL(PB, X, Y+1, Z, fog0);
-#define YMAJOR_PLOT(X,Y) PB_WRITE_PIXEL(PB, X, Y, Z, fog0); \
- PB_WRITE_PIXEL(PB, X+1, Y, Z, fog0);
#include "s_linetemp.h"
- }
- else {
- /* unstippled, any width */
-#define INTERP_XY 1
-#define INTERP_Z 1
-#define INTERP_FOG 1
-#define WIDE 1
-#define PLOT(X,Y) \
- PB_WRITE_PIXEL(PB, X, Y, Z, fog0); \
- count = PB->count; \
- CHECK_FULL(count);
-#include "s_linetemp.h"
- }
+
+ if (ctx->Line.StippleFlag) {
+ span.arrayMask |= SPAN_MASK;
+ compute_stipple_mask(ctx, span.end, span.mask);
}
- _mesa_flush_pb(ctx);
+ if (ctx->Line.Width > 1.0) {
+ draw_wide_line(ctx, &span, xMajor);
+ }
+ else {
+ _mesa_write_rgba_span(ctx, &span, GL_LINE);
+ }
}
const SWvertex *vert0,
const SWvertex *vert1 )
{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- GLint count;
- GLint *pbx = PB->x;
- GLint *pby = PB->y;
- GLdepth *pbz = PB->z;
- GLfloat *pbfog = PB->fog;
- GLfloat (*pbtex)[4] = PB->tex[0];
- GLchan *color = (GLchan*) vert1->color;
- PB_SET_COLOR( PB, color[0], color[1], color[2], color[3] );
- count = PB->count;
-
- if (ctx->Line.StippleFlag) {
- /* stippled */
+ GLboolean xMajor = GL_FALSE;
+ struct sw_span span;
+
+ ASSERT(ctx->Light.ShadeModel == GL_FLAT);
+
+ INIT_SPAN(span);
+ span.arrayMask |= (SPAN_XY | SPAN_Z | SPAN_FOG | SPAN_TEXTURE | SPAN_LAMBDA);
+ span.interpMask |= (SPAN_RGBA | SPAN_SPEC);
+ 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;
+ span.specRed = ChanToFixed(vert1->specular[0]);
+ span.specGreen = ChanToFixed(vert1->specular[1]);
+ span.specBlue = ChanToFixed(vert1->specular[2]);
+ span.specRedStep = 0;
+ span.specGreenStep = 0;
+ span.specBlueStep = 0;
+
+#define SET_XMAJOR 1
#define INTERP_XY 1
#define INTERP_Z 1
#define INTERP_FOG 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; \
- pbtex[count][0] = fragTexcoord[0]; \
- pbtex[count][1] = fragTexcoord[1]; \
- pbtex[count][2] = fragTexcoord[2]; \
- count++; \
- CHECK_FULL(count); \
- }
-#include "s_linetemp.h"
+#define PLOT(X,Y) \
+ { \
+ span.xArray[span.end] = X; \
+ span.yArray[span.end] = Y; \
+ span.zArray[span.end] = Z; \
+ span.fogArray[span.end] = fog0; \
+ span.texcoords[0][span.end][0] = fragTexcoord[0]; \
+ span.texcoords[0][span.end][1] = fragTexcoord[1]; \
+ span.texcoords[0][span.end][2] = fragTexcoord[2]; \
+ span.lambda[0][span.end] = 0.0; \
+ span.end++; \
}
- else {
- /* unstippled */
-#define INTERP_XY 1
-#define INTERP_Z 1
-#define INTERP_FOG 1
-#define INTERP_TEX 1
-#define WIDE 1
-#define PLOT(X,Y) \
- { \
- pbx[count] = X; \
- pby[count] = Y; \
- pbz[count] = Z; \
- pbfog[count] = fog0; \
- pbtex[count][0] = fragTexcoord[0]; \
- pbtex[count][1] = fragTexcoord[1]; \
- pbtex[count][2] = fragTexcoord[2]; \
- count++; \
- CHECK_FULL(count); \
- }
#include "s_linetemp.h"
+
+ if (ctx->Line.StippleFlag) {
+ span.arrayMask |= SPAN_MASK;
+ compute_stipple_mask(ctx, span.end, span.mask);
}
- PB->count = count;
- _mesa_flush_pb(ctx);
+ if (ctx->Line.Width > 1.0) {
+ draw_wide_line(ctx, &span, xMajor);
+ }
+ else {
+ _mesa_write_texture_span(ctx, &span, GL_LINE);
+ }
}
const SWvertex *vert0,
const SWvertex *vert1 )
{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- GLint count = PB->count;
- GLint *pbx = PB->x;
- GLint *pby = PB->y;
- GLdepth *pbz = PB->z;
- GLfloat *pbfog = PB->fog;
- GLfloat (*pbtex)[4] = PB->tex[0];
- GLchan (*pbrgba)[4] = PB->rgba;
+ GLboolean xMajor = GL_FALSE;
+ struct sw_span span;
- PB->mono = GL_FALSE;
+ ASSERT(ctx->Light.ShadeModel == GL_SMOOTH);
- if (ctx->Line.StippleFlag) {
- /* stippled */
+ INIT_SPAN(span);
+ span.arrayMask |= (SPAN_XY | SPAN_Z | SPAN_FOG | SPAN_RGBA | SPAN_TEXTURE | SPAN_LAMBDA);
+
+#define SET_XMAJOR 1
#define INTERP_XY 1
#define INTERP_Z 1
#define INTERP_FOG 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; \
- pbtex[count][0] = fragTexcoord[0]; \
- pbtex[count][1] = fragTexcoord[1]; \
- pbtex[count][2] = 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 "s_linetemp.h"
+#define PLOT(X,Y) \
+ { \
+ span.xArray[span.end] = X; \
+ span.yArray[span.end] = Y; \
+ span.zArray[span.end] = Z; \
+ span.fogArray[span.end] = fog0; \
+ span.color.rgba[span.end][RCOMP] = FixedToInt(r0); \
+ span.color.rgba[span.end][GCOMP] = FixedToInt(g0); \
+ span.color.rgba[span.end][BCOMP] = FixedToInt(b0); \
+ span.color.rgba[span.end][ACOMP] = FixedToInt(a0); \
+ span.texcoords[0][span.end][0] = fragTexcoord[0]; \
+ span.texcoords[0][span.end][1] = fragTexcoord[1]; \
+ span.texcoords[0][span.end][2] = fragTexcoord[2]; \
+ span.lambda[0][span.end] = 0.0; \
+ span.end++; \
}
- else {
- /* unstippled */
-#define INTERP_XY 1
-#define INTERP_Z 1
-#define INTERP_FOG 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; \
- pbtex[count][0] = fragTexcoord[0]; \
- pbtex[count][1] = fragTexcoord[1]; \
- pbtex[count][2] = 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 "s_linetemp.h"
+
+ if (ctx->Line.StippleFlag) {
+ span.arrayMask |= SPAN_MASK;
+ compute_stipple_mask(ctx, span.end, span.mask);
}
- PB->count = count;
- _mesa_flush_pb(ctx);
+ if (ctx->Line.Width > 1.0) {
+ draw_wide_line(ctx, &span, xMajor);
+ }
+ else {
+ _mesa_write_texture_span(ctx, &span, GL_LINE);
+ }
}
const SWvertex *vert0,
const SWvertex *vert1 )
{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- GLint count = PB->count;
- GLint *pbx = PB->x;
- GLint *pby = PB->y;
- GLdepth *pbz = PB->z;
- GLfloat *pbfog = PB->fog;
- GLchan (*pbrgba)[4] = PB->rgba;
- GLchan (*pbspec)[3] = PB->spec;
-
- PB->mono = GL_FALSE;
- PB->haveSpec = GL_TRUE;
+ GLboolean xMajor = GL_FALSE;
+ struct sw_span span;
+ GLuint u;
- if (ctx->Line.StippleFlag) {
- /* stippled */
+ ASSERT(ctx->Light.ShadeModel == GL_SMOOTH);
+
+ INIT_SPAN(span);
+ span.arrayMask |= (SPAN_XY | SPAN_Z | SPAN_FOG | SPAN_RGBA | SPAN_TEXTURE | SPAN_LAMBDA);
+
+#define SET_XMAJOR 1
#define INTERP_XY 1
#define INTERP_Z 1
#define INTERP_FOG 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) { \
- PB->tex[u][count][0] = fragTexcoord[u][0]; \
- PB->tex[u][count][1] = fragTexcoord[u][1]; \
- PB->tex[u][count][2] = fragTexcoord[u][2]; \
- } \
- } \
- count++; \
- CHECK_FULL(count); \
- }
-#include "s_linetemp.h"
+#define PLOT(X,Y) \
+ { \
+ span.xArray[span.end] = X; \
+ span.yArray[span.end] = Y; \
+ span.zArray[span.end] = Z; \
+ span.fogArray[span.end] = fog0; \
+ span.color.rgba[span.end][RCOMP] = FixedToInt(r0); \
+ span.color.rgba[span.end][GCOMP] = FixedToInt(g0); \
+ span.color.rgba[span.end][BCOMP] = FixedToInt(b0); \
+ span.color.rgba[span.end][ACOMP] = FixedToInt(a0); \
+ span.specArray[span.end][RCOMP] = FixedToInt(sr0); \
+ span.specArray[span.end][GCOMP] = FixedToInt(sb0); \
+ span.specArray[span.end][BCOMP] = FixedToInt(sb0); \
+ for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { \
+ if (ctx->Texture.Unit[u]._ReallyEnabled) { \
+ span.texcoords[u][span.end][0] = fragTexcoord[u][0]; \
+ span.texcoords[u][span.end][1] = fragTexcoord[u][1]; \
+ span.texcoords[u][span.end][2] = fragTexcoord[u][2]; \
+ span.lambda[u][span.end] = 0.0; \
+ } \
+ } \
+ span.end++; \
}
- else {
- /* unstippled */
-#define INTERP_XY 1
-#define INTERP_Z 1
-#define INTERP_FOG 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) { \
- PB->tex[u][count][0] = fragTexcoord[u][0]; \
- PB->tex[u][count][1] = fragTexcoord[u][1]; \
- PB->tex[u][count][2] = fragTexcoord[u][2]; \
- } \
- } \
- count++; \
- CHECK_FULL(count); \
- }
#include "s_linetemp.h"
+
+ if (ctx->Line.StippleFlag) {
+ span.arrayMask |= SPAN_MASK;
+ compute_stipple_mask(ctx, span.end, span.mask);
}
- PB->count = count;
- _mesa_flush_pb(ctx);
+ if (ctx->Line.Width > 1.0) {
+ draw_wide_line(ctx, &span, xMajor);
+ }
+ else {
+ _mesa_write_texture_span(ctx, &span, GL_LINE);
+ }
}
const SWvertex *vert0,
const SWvertex *vert1 )
{
- struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
- GLint count = PB->count;
- GLint *pbx = PB->x;
- GLint *pby = PB->y;
- GLdepth *pbz = PB->z;
- GLfloat *pbfog = PB->fog;
- GLchan (*pbrgba)[4] = PB->rgba;
- GLchan (*pbspec)[3] = PB->spec;
- GLchan *color = (GLchan*) vert1->color;
- GLchan sRed = vert1->specular[0];
- GLchan sGreen = vert1->specular[1];
- GLchan sBlue = vert1->specular[2];
-
- PB->mono = GL_FALSE;
- PB->haveSpec = GL_TRUE;
-
- if (ctx->Line.StippleFlag) {
- /* stippled */
+ GLboolean xMajor = GL_FALSE;
+ struct sw_span span;
+ GLuint u;
+
+ ASSERT(ctx->Light.ShadeModel == GL_FLAT);
+
+ INIT_SPAN(span);
+ span.arrayMask |= (SPAN_XY | SPAN_Z | SPAN_FOG | SPAN_TEXTURE | SPAN_LAMBDA);
+ span.interpMask |= (SPAN_RGBA | SPAN_SPEC);
+ 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;
+ span.specRed = ChanToFixed(vert1->specular[0]);
+ span.specGreen = ChanToFixed(vert1->specular[1]);
+ span.specBlue = ChanToFixed(vert1->specular[2]);
+ span.specRedStep = 0;
+ span.specGreenStep = 0;
+ span.specBlueStep = 0;
+
+#define SET_XMAJOR 1
#define INTERP_XY 1
#define INTERP_Z 1
#define INTERP_FOG 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) { \
- PB->tex[u][count][0] = fragTexcoord[u][0]; \
- PB->tex[u][count][1] = fragTexcoord[u][1]; \
- PB->tex[u][count][2] = fragTexcoord[u][2]; \
- } \
- } \
- count++; \
- CHECK_FULL(count); \
- }
-#include "s_linetemp.h"
+#define PLOT(X,Y) \
+ { \
+ span.xArray[span.end] = X; \
+ span.yArray[span.end] = Y; \
+ span.zArray[span.end] = Z; \
+ span.fogArray[span.end] = fog0; \
+ for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { \
+ if (ctx->Texture.Unit[u]._ReallyEnabled) { \
+ span.texcoords[u][span.end][0] = fragTexcoord[u][0]; \
+ span.texcoords[u][span.end][1] = fragTexcoord[u][1]; \
+ span.texcoords[u][span.end][2] = fragTexcoord[u][2]; \
+ span.lambda[u][span.end] = 0.0; \
+ } \
+ } \
+ span.end++; \
}
- else {
- /* unstippled */
-#define INTERP_XY 1
-#define INTERP_Z 1
-#define INTERP_FOG 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) { \
- PB->tex[u][count][0] = fragTexcoord[u][0]; \
- PB->tex[u][count][1] = fragTexcoord[u][1]; \
- PB->tex[u][count][2] = fragTexcoord[u][2]; \
- } \
- } \
- count++; \
- CHECK_FULL(count); \
- }
#include "s_linetemp.h"
+
+ if (ctx->Line.StippleFlag) {
+ span.arrayMask |= SPAN_MASK;
+ compute_stipple_mask(ctx, span.end, span.mask);
}
- PB->count = count;
- _mesa_flush_pb(ctx);
+ if (ctx->Line.Width > 1.0) {
+ draw_wide_line(ctx, &span, xMajor);
+ }
+ else {
+ _mesa_write_texture_span(ctx, &span, GL_LINE);
+ }
}
printf("Line Func == ");
if (swrast->Line == flat_ci_line)
printf("flat_ci_line\n");
- else if (swrast->Line == flat_ci_z_line)
- printf("flat_ci_z_line\n");
else if (swrast->Line == flat_rgba_line)
printf("flat_rgba_line\n");
- else if (swrast->Line == flat_rgba_z_line)
- printf("flat_rgba_z_line\n");
else if (swrast->Line == smooth_ci_line)
printf("smooth_ci_line\n");
- else if (swrast->Line == smooth_ci_z_line)
- printf("smooth_ci_z_line\n");
else if (swrast->Line == smooth_rgba_line)
printf("smooth_rgba_line\n");
- else if (swrast->Line == smooth_rgba_z_line)
- printf("smooth_rgba_z_line\n");
else if (swrast->Line == general_smooth_ci_line)
printf("general_smooth_ci_line\n");
else if (swrast->Line == general_flat_ci_line)
SWcontext *swrast = SWRAST_CONTEXT(ctx);
const GLboolean rgbmode = ctx->Visual.rgbMode;
- if (ctx->RenderMode==GL_RENDER) {
+ if (ctx->RenderMode == GL_RENDER) {
if (ctx->Line.SmoothFlag) {
/* antialiased lines */
_swrast_choose_aa_line_function(ctx);
if (ctx->Texture._ReallyEnabled > TEXTURE0_ANY ||
(ctx->_TriangleCaps & DD_SEPARATE_SPECULAR)) {
/* multi-texture and/or separate specular color */
- if (ctx->Light.ShadeModel==GL_SMOOTH)
+ if (ctx->Light.ShadeModel == GL_SMOOTH)
USE(smooth_multitextured_line);
else
USE(flat_multitextured_line);
}
else {
- if (ctx->Light.ShadeModel==GL_SMOOTH) {
+ if (ctx->Light.ShadeModel == GL_SMOOTH) {
USE(smooth_textured_line);
}
else {
}
}
}
- else if (ctx->Line.Width!=1.0 || ctx->Line.StippleFlag) {
- if (ctx->Light.ShadeModel==GL_SMOOTH) {
- if (rgbmode)
- USE(general_smooth_rgba_line);
- else
- USE(general_smooth_ci_line);
- }
- else {
- if (rgbmode)
- USE(general_flat_rgba_line);
- else
- USE(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 (ctx->Light.ShadeModel == GL_SMOOTH) {
+ if (ctx->Depth.Test || ctx->Fog.Enabled || ctx->Line.Width != 1.0
+ || ctx->Line.StippleFlag) {
if (rgbmode)
- USE(smooth_rgba_z_line);
+ USE(general_smooth_rgba_line);
else
- USE(smooth_ci_z_line);
+ USE(general_smooth_ci_line);
}
else {
if (rgbmode)
}
}
else {
- /* Width==1, non-stippled, flat-shaded */
- if (ctx->Depth.Test || ctx->Fog.Enabled) {
+ if (ctx->Depth.Test || ctx->Fog.Enabled || ctx->Line.Width != 1.0
+ || ctx->Line.StippleFlag) {
if (rgbmode)
- USE(flat_rgba_z_line);
+ USE(general_flat_rgba_line);
else
- USE(flat_ci_z_line);
+ USE(general_flat_ci_line);
}
else {
if (rgbmode)
}
}
}
- else if (ctx->RenderMode==GL_FEEDBACK) {
+ else if (ctx->RenderMode == GL_FEEDBACK) {
USE(_mesa_feedback_line);
}
else {
- /* GL_SELECT mode */
+ ASSERT(ctx->RenderMode == GL_SELECT);
USE(_mesa_select_line);
}
projects / mesa.git / commitdiff