/*
* Mesa 3-D graphics library
- * Version: 6.1
+ * Version: 6.5.3
*
- * Copyright (C) 1999-2004 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"),
GLfloat iPlane[4];
/* DO_SPEC */
GLfloat srPlane[4], sgPlane[4], sbPlane[4];
- /* DO_TEX or DO_MULTITEX */
- GLfloat sPlane[MAX_TEXTURE_COORD_UNITS][4];
- GLfloat tPlane[MAX_TEXTURE_COORD_UNITS][4];
- GLfloat uPlane[MAX_TEXTURE_COORD_UNITS][4];
- GLfloat vPlane[MAX_TEXTURE_COORD_UNITS][4];
- GLfloat lambda[MAX_TEXTURE_COORD_UNITS];
- GLfloat texWidth[MAX_TEXTURE_COORD_UNITS];
- GLfloat texHeight[MAX_TEXTURE_COORD_UNITS];
+ /* DO_TEXVAR */
+ GLfloat sPlane[FRAG_ATTRIB_MAX][4];
+ GLfloat tPlane[FRAG_ATTRIB_MAX][4];
+ GLfloat uPlane[FRAG_ATTRIB_MAX][4];
+ GLfloat vPlane[FRAG_ATTRIB_MAX][4];
+ GLfloat lambda[FRAG_ATTRIB_MAX];
+ GLfloat texWidth[FRAG_ATTRIB_MAX];
+ GLfloat texHeight[FRAG_ATTRIB_MAX];
SWspan span;
};
#define DO_Z
#define DO_FOG
#define DO_RGBA
-#define DO_TEX
-#include "s_aalinetemp.h"
-
-
-#define NAME(x) aa_multitex_rgba_##x
-#define DO_Z
-#define DO_FOG
-#define DO_RGBA
-#define DO_MULTITEX
+#define DO_TEXVAR
#include "s_aalinetemp.h"
#define DO_Z
#define DO_FOG
#define DO_RGBA
-#define DO_MULTITEX
+#define DO_TEXVAR
#define DO_SPEC
#include "s_aalinetemp.h"
if (ctx->Visual.rgbMode) {
/* RGBA */
- if (ctx->Texture._EnabledCoordUnits != 0) {
- if (ctx->Texture._EnabledCoordUnits > 1) {
- /* Multitextured! */
- if (ctx->Light.Model.ColorControl==GL_SEPARATE_SPECULAR_COLOR ||
- ctx->Fog.ColorSumEnabled)
- swrast->Line = aa_multitex_spec_line;
- else
- swrast->Line = aa_multitex_rgba_line;
- }
- else {
+ if (ctx->Texture._EnabledCoordUnits != 0
+ || ctx->FragmentProgram._Current) {
+
+ if (ctx->Light.Model.ColorControl==GL_SEPARATE_SPECULAR_COLOR ||
+ ctx->Fog.ColorSumEnabled)
+ swrast->Line = aa_multitex_spec_line;
+ else
swrast->Line = aa_tex_rgba_line;
- }
+
}
else {
swrast->Line = aa_rgba_line;
/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 6.5.3
*
- * 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"),
static void
NAME(plot)(GLcontext *ctx, struct LineInfo *line, int ix, int iy)
{
+ const SWcontext *swrast = SWRAST_CONTEXT(ctx);
const GLfloat fx = (GLfloat) ix;
const GLfloat fy = (GLfloat) iy;
#ifdef DO_INDEX
#endif
const GLuint i = line->span.end;
+ (void) swrast;
+
if (coverage == 0.0)
return;
line->span.array->spec[i][GCOMP] = solve_plane_chan(fx, fy, line->sgPlane);
line->span.array->spec[i][BCOMP] = solve_plane_chan(fx, fy, line->sbPlane);
#endif
-#ifdef DO_TEX
- {
- GLfloat invQ;
- if (ctx->FragmentProgram._Current) {
- invQ = 1.0F;
- }
- else {
- invQ = solve_plane_recip(fx, fy, line->vPlane[0]);
- }
- line->span.array->attribs[FRAG_ATTRIB_TEX0][i][0] = solve_plane(fx, fy, line->sPlane[0]) * invQ;
- line->span.array->attribs[FRAG_ATTRIB_TEX0][i][1] = solve_plane(fx, fy, line->tPlane[0]) * invQ;
- line->span.array->attribs[FRAG_ATTRIB_TEX0][i][2] = solve_plane(fx, fy, line->uPlane[0]) * invQ;
- line->span.array->lambda[0][i] = compute_lambda(line->sPlane[0],
- line->tPlane[0], invQ,
- line->texWidth[0],
- line->texHeight[0]);
- }
-#elif defined(DO_MULTITEX)
+#if defined(DO_TEXVAR)
{
- GLuint unit;
- for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
- if (ctx->Texture.Unit[unit]._ReallyEnabled) {
+ GLuint attr;
+ for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) {
+ if (swrast->_FragmentAttribs & (1 << attr)) {
+ GLfloat (*attribArray)[4] = line->span.array->attribs[attr];
GLfloat invQ;
if (ctx->FragmentProgram._Current) {
invQ = 1.0F;
}
else {
- invQ = solve_plane_recip(fx, fy, line->vPlane[unit]);
+ invQ = solve_plane_recip(fx, fy, line->vPlane[attr]);
+ }
+ attribArray[i][0] = solve_plane(fx, fy, line->sPlane[attr]) * invQ;
+ attribArray[i][1] = solve_plane(fx, fy, line->tPlane[attr]) * invQ;
+ attribArray[i][2] = solve_plane(fx, fy, line->uPlane[attr]) * invQ;
+ if (attr < FRAG_ATTRIB_VAR0) {
+ const GLuint unit = attr - FRAG_ATTRIB_TEX0;
+ line->span.array->lambda[unit][i]
+ = compute_lambda(line->sPlane[attr],
+ line->tPlane[attr], invQ,
+ line->texWidth[attr], line->texHeight[attr]);
}
- line->span.array->attribs[FRAG_ATTRIB_TEX0 + unit][i][0] = solve_plane(fx, fy, line->sPlane[unit]) * invQ;
- line->span.array->attribs[FRAG_ATTRIB_TEX0 + unit][i][1] = solve_plane(fx, fy, line->tPlane[unit]) * invQ;
- line->span.array->attribs[FRAG_ATTRIB_TEX0 + unit][i][2] = solve_plane(fx, fy, line->uPlane[unit]) * invQ;
- line->span.array->lambda[unit][i] = compute_lambda(line->sPlane[unit],
- line->tPlane[unit], invQ,
- line->texWidth[unit], line->texHeight[unit]);
}
}
}
constant_plane(v1->index, line.iPlane);
}
#endif
-#ifdef DO_TEX
+#if defined(DO_TEXVAR)
{
- const struct gl_texture_object *obj = ctx->Texture.Unit[0]._Current;
- const struct gl_texture_image *texImage = obj->Image[0][obj->BaseLevel];
+ GLuint attr;
const GLfloat invW0 = v0->win[3];
const GLfloat invW1 = v1->win[3];
- const GLfloat s0 = v0->texcoord[0][0] * invW0;
- const GLfloat s1 = v1->texcoord[0][0] * invW1;
- const GLfloat t0 = v0->texcoord[0][1] * invW0;
- const GLfloat t1 = v1->texcoord[0][1] * invW1;
- const GLfloat r0 = v0->texcoord[0][2] * invW0;
- const GLfloat r1 = v1->texcoord[0][2] * invW1;
- const GLfloat q0 = v0->texcoord[0][3] * invW0;
- const GLfloat q1 = v1->texcoord[0][3] * invW1;
- line.span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA);
- compute_plane(line.x0, line.y0, line.x1, line.y1, s0, s1, line.sPlane[0]);
- compute_plane(line.x0, line.y0, line.x1, line.y1, t0, t1, line.tPlane[0]);
- compute_plane(line.x0, line.y0, line.x1, line.y1, r0, r1, line.uPlane[0]);
- compute_plane(line.x0, line.y0, line.x1, line.y1, q0, q1, line.vPlane[0]);
- line.texWidth[0] = (GLfloat) texImage->Width;
- line.texHeight[0] = (GLfloat) texImage->Height;
- }
-#elif defined(DO_MULTITEX)
- {
- GLuint u;
- line.span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA);
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- if (ctx->Texture.Unit[u]._ReallyEnabled) {
- const struct gl_texture_object *obj = ctx->Texture.Unit[u]._Current;
- const struct gl_texture_image *texImage = obj->Image[0][obj->BaseLevel];
- const GLfloat invW0 = v0->win[3];
- const GLfloat invW1 = v1->win[3];
- const GLfloat s0 = v0->texcoord[u][0] * invW0;
- const GLfloat s1 = v1->texcoord[u][0] * invW1;
- const GLfloat t0 = v0->texcoord[u][1] * invW0;
- const GLfloat t1 = v1->texcoord[u][1] * invW1;
- const GLfloat r0 = v0->texcoord[u][2] * invW0;
- const GLfloat r1 = v1->texcoord[u][2] * invW1;
- const GLfloat q0 = v0->texcoord[u][3] * invW0;
- const GLfloat q1 = v1->texcoord[u][3] * invW1;
- compute_plane(line.x0, line.y0, line.x1, line.y1, s0, s1, line.sPlane[u]);
- compute_plane(line.x0, line.y0, line.x1, line.y1, t0, t1, line.tPlane[u]);
- compute_plane(line.x0, line.y0, line.x1, line.y1, r0, r1, line.uPlane[u]);
- compute_plane(line.x0, line.y0, line.x1, line.y1, q0, q1, line.vPlane[u]);
- line.texWidth[u] = (GLfloat) texImage->Width;
- line.texHeight[u] = (GLfloat) texImage->Height;
+ line.span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA | SPAN_VARYING);
+ for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) {
+ if (swrast->_FragmentAttribs & (1 << attr)) {
+ const GLfloat s0 = v0->attrib[attr][0] * invW0;
+ const GLfloat s1 = v1->attrib[attr][0] * invW1;
+ const GLfloat t0 = v0->attrib[attr][1] * invW0;
+ const GLfloat t1 = v1->attrib[attr][1] * invW1;
+ const GLfloat r0 = v0->attrib[attr][2] * invW0;
+ const GLfloat r1 = v1->attrib[attr][2] * invW1;
+ const GLfloat q0 = v0->attrib[attr][3] * invW0;
+ const GLfloat q1 = v1->attrib[attr][3] * invW1;
+ compute_plane(line.x0, line.y0, line.x1, line.y1, s0, s1, line.sPlane[attr]);
+ compute_plane(line.x0, line.y0, line.x1, line.y1, t0, t1, line.tPlane[attr]);
+ compute_plane(line.x0, line.y0, line.x1, line.y1, r0, r1, line.uPlane[attr]);
+ compute_plane(line.x0, line.y0, line.x1, line.y1, q0, q1, line.vPlane[attr]);
+ if (attr < FRAG_ATTRIB_VAR0) {
+ const GLuint u = attr - FRAG_ATTRIB_TEX0;
+ const struct gl_texture_object *obj = ctx->Texture.Unit[u]._Current;
+ const struct gl_texture_image *texImage = obj->Image[0][obj->BaseLevel];
+ line.texWidth[attr] = (GLfloat) texImage->Width;
+ line.texHeight[attr] = (GLfloat) texImage->Height;
+ }
}
}
}
#undef DO_RGBA
#undef DO_INDEX
#undef DO_SPEC
-#undef DO_TEX
-#undef DO_MULTITEX
+#undef DO_TEXVAR
#undef NAME
/*
* Mesa 3-D graphics library
- * Version: 6.3
+ * Version: 6.5.3
*
- * Copyright (C) 1999-2004 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"),
#define DO_Z
#define DO_FOG
#define DO_RGBA
-#define DO_TEX
+#define DO_TEXVAR
#include "s_aatritemp.h"
}
#define DO_Z
#define DO_FOG
#define DO_RGBA
-#define DO_TEX
+#define DO_TEXVAR
#define DO_SPEC
#include "s_aatritemp.h"
}
-static void
-multitex_aa_tri(GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2)
-{
-#define DO_Z
-#define DO_FOG
-#define DO_RGBA
-#define DO_MULTITEX
-#include "s_aatritemp.h"
-}
-
-static void
-spec_multitex_aa_tri(GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2)
-{
-#define DO_Z
-#define DO_FOG
-#define DO_RGBA
-#define DO_MULTITEX
-#define DO_SPEC
-#include "s_aatritemp.h"
-}
-
/*
* Examine GL state and set swrast->Triangle to an
{
ASSERT(ctx->Polygon.SmoothFlag);
- if (ctx->Texture._EnabledCoordUnits != 0) {
+ if (ctx->Texture._EnabledCoordUnits != 0
+ || ctx->FragmentProgram._Current) {
if (NEED_SECONDARY_COLOR(ctx)) {
- if (ctx->Texture._EnabledCoordUnits > 1) {
- SWRAST_CONTEXT(ctx)->Triangle = spec_multitex_aa_tri;
- }
- else {
- SWRAST_CONTEXT(ctx)->Triangle = spec_tex_aa_tri;
- }
+ SWRAST_CONTEXT(ctx)->Triangle = spec_tex_aa_tri;
}
else {
- if (ctx->Texture._EnabledCoordUnits > 1) {
- SWRAST_CONTEXT(ctx)->Triangle = multitex_aa_tri;
- }
- else {
- SWRAST_CONTEXT(ctx)->Triangle = tex_aa_tri;
- }
+ SWRAST_CONTEXT(ctx)->Triangle = tex_aa_tri;
}
}
else if (ctx->Visual.rgbMode) {
/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 6.5.3
*
- * 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"),
* DO_RGBA - if defined, compute RGBA values
* DO_INDEX - if defined, compute color index values
* DO_SPEC - if defined, compute specular RGB values
- * DO_TEX - if defined, compute unit 0 STRQ texcoords
- * DO_MULTITEX - if defined, compute all unit's STRQ texcoords
+ * DO_TEXVAR - if defined, compute texcoords, varying
*/
/*void triangle( GLcontext *ctx, GLuint v0, GLuint v1, GLuint v2, GLuint pv )*/
{
+ const SWcontext *swrast = SWRAST_CONTEXT(ctx);
const GLfloat *p0 = v0->win;
const GLfloat *p1 = v1->win;
const GLfloat *p2 = v2->win;
#ifdef DO_SPEC
GLfloat srPlane[4], sgPlane[4], sbPlane[4];
#endif
-#ifdef DO_TEX
- GLfloat sPlane[4], tPlane[4], uPlane[4], vPlane[4];
- GLfloat texWidth, texHeight;
-#elif defined(DO_MULTITEX)
- GLfloat sPlane[MAX_TEXTURE_COORD_UNITS][4]; /* texture S */
- GLfloat tPlane[MAX_TEXTURE_COORD_UNITS][4]; /* texture T */
- GLfloat uPlane[MAX_TEXTURE_COORD_UNITS][4]; /* texture R */
- GLfloat vPlane[MAX_TEXTURE_COORD_UNITS][4]; /* texture Q */
- GLfloat texWidth[MAX_TEXTURE_COORD_UNITS];
- GLfloat texHeight[MAX_TEXTURE_COORD_UNITS];
+#if defined(DO_TEXVAR)
+ GLfloat sPlane[FRAG_ATTRIB_MAX][4]; /* texture S */
+ GLfloat tPlane[FRAG_ATTRIB_MAX][4]; /* texture T */
+ GLfloat uPlane[FRAG_ATTRIB_MAX][4]; /* texture R */
+ GLfloat vPlane[FRAG_ATTRIB_MAX][4]; /* texture Q */
+ GLfloat texWidth[FRAG_ATTRIB_MAX];
+ GLfloat texHeight[FRAG_ATTRIB_MAX];
#endif
GLfloat bf = SWRAST_CONTEXT(ctx)->_BackfaceSign;
-
+ (void) swrast;
+
INIT_SPAN(span, GL_POLYGON, 0, 0, SPAN_COVERAGE);
/* determine bottom to top order of vertices */
}
span.arrayMask |= SPAN_SPEC;
#endif
-#ifdef DO_TEX
+#if defined(DO_TEXVAR)
{
- const struct gl_texture_object *obj = ctx->Texture.Unit[0]._Current;
- const struct gl_texture_image *texImage = obj->Image[0][obj->BaseLevel];
+ GLuint attr;
const GLfloat invW0 = v0->win[3];
const GLfloat invW1 = v1->win[3];
const GLfloat invW2 = v2->win[3];
- const GLfloat s0 = v0->texcoord[0][0] * invW0;
- const GLfloat s1 = v1->texcoord[0][0] * invW1;
- const GLfloat s2 = v2->texcoord[0][0] * invW2;
- const GLfloat t0 = v0->texcoord[0][1] * invW0;
- const GLfloat t1 = v1->texcoord[0][1] * invW1;
- const GLfloat t2 = v2->texcoord[0][1] * invW2;
- const GLfloat r0 = v0->texcoord[0][2] * invW0;
- const GLfloat r1 = v1->texcoord[0][2] * invW1;
- const GLfloat r2 = v2->texcoord[0][2] * invW2;
- const GLfloat q0 = v0->texcoord[0][3] * invW0;
- const GLfloat q1 = v1->texcoord[0][3] * invW1;
- const GLfloat q2 = v2->texcoord[0][3] * invW2;
- compute_plane(p0, p1, p2, s0, s1, s2, sPlane);
- compute_plane(p0, p1, p2, t0, t1, t2, tPlane);
- compute_plane(p0, p1, p2, r0, r1, r2, uPlane);
- compute_plane(p0, p1, p2, q0, q1, q2, vPlane);
- texWidth = (GLfloat) texImage->Width;
- texHeight = (GLfloat) texImage->Height;
- }
- span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA);
-#elif defined(DO_MULTITEX)
- {
- GLuint u;
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- if (ctx->Texture.Unit[u]._ReallyEnabled) {
- const struct gl_texture_object *obj = ctx->Texture.Unit[u]._Current;
- const struct gl_texture_image *texImage = obj->Image[0][obj->BaseLevel];
- const GLfloat invW0 = v0->win[3];
- const GLfloat invW1 = v1->win[3];
- const GLfloat invW2 = v2->win[3];
- const GLfloat s0 = v0->texcoord[u][0] * invW0;
- const GLfloat s1 = v1->texcoord[u][0] * invW1;
- const GLfloat s2 = v2->texcoord[u][0] * invW2;
- const GLfloat t0 = v0->texcoord[u][1] * invW0;
- const GLfloat t1 = v1->texcoord[u][1] * invW1;
- const GLfloat t2 = v2->texcoord[u][1] * invW2;
- const GLfloat r0 = v0->texcoord[u][2] * invW0;
- const GLfloat r1 = v1->texcoord[u][2] * invW1;
- const GLfloat r2 = v2->texcoord[u][2] * invW2;
- const GLfloat q0 = v0->texcoord[u][3] * invW0;
- const GLfloat q1 = v1->texcoord[u][3] * invW1;
- const GLfloat q2 = v2->texcoord[u][3] * invW2;
- compute_plane(p0, p1, p2, s0, s1, s2, sPlane[u]);
- compute_plane(p0, p1, p2, t0, t1, t2, tPlane[u]);
- compute_plane(p0, p1, p2, r0, r1, r2, uPlane[u]);
- compute_plane(p0, p1, p2, q0, q1, q2, vPlane[u]);
- texWidth[u] = (GLfloat) texImage->Width;
- texHeight[u] = (GLfloat) texImage->Height;
+ for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) {
+ if (swrast->_FragmentAttribs & (1 << attr)) {
+ const GLfloat s0 = v0->attrib[attr][0] * invW0;
+ const GLfloat s1 = v1->attrib[attr][0] * invW1;
+ const GLfloat s2 = v2->attrib[attr][0] * invW2;
+ const GLfloat t0 = v0->attrib[attr][1] * invW0;
+ const GLfloat t1 = v1->attrib[attr][1] * invW1;
+ const GLfloat t2 = v2->attrib[attr][1] * invW2;
+ const GLfloat r0 = v0->attrib[attr][2] * invW0;
+ const GLfloat r1 = v1->attrib[attr][2] * invW1;
+ const GLfloat r2 = v2->attrib[attr][2] * invW2;
+ const GLfloat q0 = v0->attrib[attr][3] * invW0;
+ const GLfloat q1 = v1->attrib[attr][3] * invW1;
+ const GLfloat q2 = v2->attrib[attr][3] * invW2;
+ compute_plane(p0, p1, p2, s0, s1, s2, sPlane[attr]);
+ compute_plane(p0, p1, p2, t0, t1, t2, tPlane[attr]);
+ compute_plane(p0, p1, p2, r0, r1, r2, uPlane[attr]);
+ compute_plane(p0, p1, p2, q0, q1, q2, vPlane[attr]);
+ if (attr < FRAG_ATTRIB_VAR0) {
+ const GLuint u = attr - FRAG_ATTRIB_TEX0;
+ const struct gl_texture_object *obj = ctx->Texture.Unit[u]._Current;
+ const struct gl_texture_image *texImage = obj->Image[0][obj->BaseLevel];
+ texWidth[attr] = (GLfloat) texImage->Width;
+ texHeight[attr] = (GLfloat) texImage->Height;
+ }
+ else {
+ texWidth[attr] = texHeight[attr] = 1.0;
+ }
}
}
}
- span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA);
+ span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA | SPAN_VARYING);
#endif
/* Begin bottom-to-top scan over the triangle.
array->spec[count][GCOMP] = solve_plane_chan(cx, cy, sgPlane);
array->spec[count][BCOMP] = solve_plane_chan(cx, cy, sbPlane);
#endif
-#ifdef DO_TEX
+#if defined(DO_TEXVAR)
{
- const GLfloat invQ = solve_plane_recip(cx, cy, vPlane);
- array->attribs[FRAG_ATTRIB_TEX0 + 0][count][0] = solve_plane(cx, cy, sPlane) * invQ;
- array->attribs[FRAG_ATTRIB_TEX0 + 0][count][1] = solve_plane(cx, cy, tPlane) * invQ;
- array->attribs[FRAG_ATTRIB_TEX0 + 0][count][2] = solve_plane(cx, cy, uPlane) * invQ;
- array->lambda[0][count] = compute_lambda(sPlane, tPlane, vPlane,
- cx, cy, invQ,
- texWidth, texHeight);
- }
-#elif defined(DO_MULTITEX)
- {
- GLuint unit;
- for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
- if (ctx->Texture.Unit[unit]._ReallyEnabled) {
- GLfloat invQ = solve_plane_recip(cx, cy, vPlane[unit]);
- array->attribs[FRAG_ATTRIB_TEX0 + unit][count][0] = solve_plane(cx, cy, sPlane[unit]) * invQ;
- array->attribs[FRAG_ATTRIB_TEX0 + unit][count][1] = solve_plane(cx, cy, tPlane[unit]) * invQ;
- array->attribs[FRAG_ATTRIB_TEX0 + unit][count][2] = solve_plane(cx, cy, uPlane[unit]) * invQ;
- array->lambda[unit][count] = compute_lambda(sPlane[unit],
- tPlane[unit], vPlane[unit], cx, cy, invQ,
- texWidth[unit], texHeight[unit]);
+ GLuint attr;
+ for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) {
+ if (swrast->_FragmentAttribs & (1 << attr)) {
+ GLfloat invQ = solve_plane_recip(cx, cy, vPlane[attr]);
+ array->attribs[attr][count][0] = solve_plane(cx, cy, sPlane[attr]) * invQ;
+ array->attribs[attr][count][1] = solve_plane(cx, cy, tPlane[attr]) * invQ;
+ array->attribs[attr][count][2] = solve_plane(cx, cy, uPlane[attr]) * invQ;
+ if (attr < FRAG_ATTRIB_VAR0) {
+ const GLuint unit = attr - FRAG_ATTRIB_TEX0;
+ array->lambda[unit][count] = compute_lambda(sPlane[attr], tPlane[attr],
+ vPlane[attr], cx, cy, invQ,
+ texWidth[attr], texHeight[attr]);
+ }
}
}
}
array->spec[ix][GCOMP] = solve_plane_chan(cx, cy, sgPlane);
array->spec[ix][BCOMP] = solve_plane_chan(cx, cy, sbPlane);
#endif
-#ifdef DO_TEX
- {
- const GLfloat invQ = solve_plane_recip(cx, cy, vPlane);
- array->attribs[FRAG_ATTRIB_TEX0][ix][0] = solve_plane(cx, cy, sPlane) * invQ;
- array->attribs[FRAG_ATTRIB_TEX0][ix][1] = solve_plane(cx, cy, tPlane) * invQ;
- array->attribs[FRAG_ATTRIB_TEX0][ix][2] = solve_plane(cx, cy, uPlane) * invQ;
- array->lambda[0][ix] = compute_lambda(sPlane, tPlane, vPlane,
- cx, cy, invQ, texWidth, texHeight);
- }
-#elif defined(DO_MULTITEX)
+#if defined(DO_TEXVAR)
{
- GLuint unit;
- for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
- if (ctx->Texture.Unit[unit]._ReallyEnabled) {
- GLfloat invQ = solve_plane_recip(cx, cy, vPlane[unit]);
- array->attribs[FRAG_ATTRIB_TEX0 + unit][ix][0] = solve_plane(cx, cy, sPlane[unit]) * invQ;
- array->attribs[FRAG_ATTRIB_TEX0 + unit][ix][1] = solve_plane(cx, cy, tPlane[unit]) * invQ;
- array->attribs[FRAG_ATTRIB_TEX0 + unit][ix][2] = solve_plane(cx, cy, uPlane[unit]) * invQ;
- array->lambda[unit][ix] = compute_lambda(sPlane[unit],
- tPlane[unit],
- vPlane[unit],
- cx, cy, invQ,
- texWidth[unit],
- texHeight[unit]);
+ GLuint attr;
+ for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) {
+ if (swrast->_FragmentAttribs & (1 << attr)) {
+ GLfloat invQ = solve_plane_recip(cx, cy, vPlane[attr]);
+ array->attribs[attr][ix][0] = solve_plane(cx, cy, sPlane[attr]) * invQ;
+ array->attribs[attr][ix][1] = solve_plane(cx, cy, tPlane[attr]) * invQ;
+ array->attribs[attr][ix][2] = solve_plane(cx, cy, uPlane[attr]) * invQ;
+ if (attr < FRAG_ATTRIB_VAR0) {
+ const GLuint unit = attr - FRAG_ATTRIB_TEX0;
+ array->lambda[unit][ix] = compute_lambda(sPlane[attr],
+ tPlane[attr],
+ vPlane[attr],
+ cx, cy, invQ,
+ texWidth[attr],
+ texHeight[attr]);
+ }
}
}
}
array->attribs[FRAG_ATTRIB_FOGC][j][0]
= array->attribs[FRAG_ATTRIB_FOGC][j + left][0];
#endif
-#ifdef DO_TEX
- COPY_4V(array->attribs[FRAG_ATTRIB_TEX0 + 0][j], array->attribs[FRAG_ATTRIB_TEX0 + 0][j + left]);
-#endif
-#if defined(DO_MULTITEX) || defined(DO_TEX)
+#if defined(DO_TEXVAR)
array->lambda[0][j] = array->lambda[0][j + left];
#endif
array->coverage[j] = array->coverage[j + left];
}
}
-#ifdef DO_MULTITEX
- /* shift texcoords */
+#ifdef DO_TEXVAR
+ /* shift texcoords, varying */
{
SWspanarrays *array = span.array;
- GLuint unit;
- for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
- if (ctx->Texture.Unit[unit]._ReallyEnabled) {
+ GLuint attr;
+ for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) {
+ if (swrast->_FragmentAttribs & (1 << attr)) {
GLint j;
for (j = 0; j < (GLint) n; j++) {
- array->attribs[FRAG_ATTRIB_TEX0 + unit][j][0] = array->attribs[FRAG_ATTRIB_TEX0 + unit][j + left][0];
- array->attribs[FRAG_ATTRIB_TEX0 + unit][j][1] = array->attribs[FRAG_ATTRIB_TEX0 + unit][j + left][1];
- array->attribs[FRAG_ATTRIB_TEX0 + unit][j][2] = array->attribs[FRAG_ATTRIB_TEX0 + unit][j + left][2];
- array->lambda[unit][j] = array->lambda[unit][j + left];
+ array->attribs[attr][j][0] = array->attribs[attr][j + left][0];
+ array->attribs[attr][j][1] = array->attribs[attr][j + left][1];
+ array->attribs[attr][j][2] = array->attribs[attr][j + left][2];
+ /*array->lambda[unit][j] = array->lambda[unit][j + left];*/
}
}
}
#undef DO_SPEC
#endif
-#ifdef DO_TEX
-#undef DO_TEX
-#endif
-
-#ifdef DO_MULTITEX
-#undef DO_MULTITEX
+#ifdef DO_TEXVAR
+#undef DO_TEXVAR
#endif
#ifdef DO_OCCLUSION_TEST
}
+/**
+ * Update the swrast->_FragmentAttribs field.
+ */
+static void
+_swrast_update_fragment_attribs(GLcontext *ctx)
+{
+ SWcontext *swrast = SWRAST_CONTEXT(ctx);
+
+ if (ctx->FragmentProgram._Current) {
+ swrast->_FragmentAttribs
+ = ctx->FragmentProgram._Current->Base.InputsRead;
+ }
+ else {
+ GLuint u;
+ swrast->_FragmentAttribs = 0x0;
+
+ if (ctx->Depth.Test)
+ swrast->_FragmentAttribs |= FRAG_BIT_WPOS;
+ if (NEED_SECONDARY_COLOR(ctx))
+ swrast->_FragmentAttribs |= FRAG_BIT_COL1;
+ if (swrast->_FogEnabled)
+ swrast->_FragmentAttribs |= FRAG_BIT_FOGC;
+
+ for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
+ if (ctx->Texture.Unit[u]._ReallyEnabled) {
+ swrast->_FragmentAttribs |= FRAG_BIT_TEX(u);
+ }
+ }
+ }
+
+ /* Find lowest, highest bit set in _FragmentAttribs */
+ {
+ GLuint bits = swrast->_FragmentAttribs;
+ GLuint i = 0;;
+ while (bits) {
+ i++;
+ bits = bits >> 1;
+ }
+ swrast->_MaxFragmentAttrib = i;
+ swrast->_MinFragmentAttrib = FRAG_ATTRIB_TEX0; /* XXX temporary */
+ }
+}
+
+
void
_swrast_validate_derived( GLcontext *ctx )
{
if (swrast->NewState & _SWRAST_NEW_RASTERMASK)
_swrast_update_rasterflags( ctx );
+ if (swrast->NewState & (_NEW_DEPTH |
+ _NEW_FOG |
+ _NEW_PROGRAM |
+ _NEW_TEXTURE))
+ _swrast_update_fragment_attribs(ctx);
+
swrast->NewState = 0;
swrast->StateChanges = 0;
swrast->InvalidateState = _swrast_invalidate_state;
for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++)
if (ctx->Texture.Unit[i]._ReallyEnabled)
_mesa_debug(ctx, "texcoord[%d] %f %f %f %f\n", i,
- v->texcoord[i][0], v->texcoord[i][1],
- v->texcoord[i][2], v->texcoord[i][3]);
+ v->attrib[FRAG_ATTRIB_TEX0 + i][0],
+ v->attrib[FRAG_ATTRIB_TEX0 + i][1],
+ v->attrib[FRAG_ATTRIB_TEX0 + i][2],
+ v->attrib[FRAG_ATTRIB_TEX0 + i][3]);
#if CHAN_TYPE == GL_FLOAT
_mesa_debug(ctx, "color %f %f %f %f\n",
GLboolean _FogEnabled;
GLenum _FogMode; /* either GL_FOG_MODE or fragment program's fog mode */
+ /** Fragment attributes to compute during rasterization.
+ * Mask of FRAG_BIT_* flags.
+ */
+ GLbitfield _FragmentAttribs;
+ GLuint _MinFragmentAttrib; /**< Lowest bit set in _FragmentAttribs */
+ GLuint _MaxFragmentAttrib; /**< Highest bit set in _FragmentAttribs + 1 */
+
/* Accum buffer temporaries.
*/
GLboolean _IntegerAccumMode; /**< Storing unscaled integers? */
static void feedback_vertex( GLcontext *ctx,
const SWvertex *v, const SWvertex *pv )
{
- const GLuint texUnit = 0; /* See section 5.3 of 1.2.1 spec */
GLfloat win[4];
GLfloat color[4];
GLfloat tc[4];
+ const GLfloat *vtc = v->attrib[FRAG_ATTRIB_TEX0];
win[0] = v->win[0];
win[1] = v->win[1];
color[2] = CHAN_TO_FLOAT(pv->color[2]);
color[3] = CHAN_TO_FLOAT(pv->color[3]);
- if (v->texcoord[texUnit][3] != 1.0 &&
- v->texcoord[texUnit][3] != 0.0) {
- GLfloat invq = 1.0F / v->texcoord[texUnit][3];
- tc[0] = v->texcoord[texUnit][0] * invq;
- tc[1] = v->texcoord[texUnit][1] * invq;
- tc[2] = v->texcoord[texUnit][2] * invq;
- tc[3] = v->texcoord[texUnit][3];
+ if (vtc[3] != 1.0 && vtc[3] != 0.0) {
+ GLfloat invq = 1.0F / vtc[3];
+ tc[0] = vtc[0] * invq;
+ tc[1] = vtc[1] * invq;
+ tc[2] = vtc[2] * invq;
+ tc[3] = vtc[3];
}
else {
- COPY_4V(tc, v->texcoord[texUnit]);
+ COPY_4V(tc, vtc);
}
_mesa_feedback_vertex( ctx, win, color, (GLfloat) v->index, tc );
static void
NAME( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 )
{
+ const SWcontext *swrast = SWRAST_CONTEXT(ctx);
SWspan span;
GLuint interpFlags = 0;
GLint x0 = (GLint) vert0->win[0];
SETUP_CODE
#endif
+ (void) swrast;
+
/* Cull primitives with malformed coordinates.
*/
{
const GLfloat invw1 = vert1->win[3];
const GLfloat invLen = 1.0F / numPixels;
GLfloat ds, dt, dr, dq;
- span.attrStart[FRAG_ATTRIB_TEX0][0] = invw0 * vert0->texcoord[0][0];
- span.attrStart[FRAG_ATTRIB_TEX0][1] = invw0 * vert0->texcoord[0][1];
- span.attrStart[FRAG_ATTRIB_TEX0][2] = invw0 * vert0->texcoord[0][2];
- span.attrStart[FRAG_ATTRIB_TEX0][3] = invw0 * vert0->texcoord[0][3];
- ds = (invw1 * vert1->texcoord[0][0]) - span.attrStart[FRAG_ATTRIB_TEX0][0];
- dt = (invw1 * vert1->texcoord[0][1]) - span.attrStart[FRAG_ATTRIB_TEX0][1];
- dr = (invw1 * vert1->texcoord[0][2]) - span.attrStart[FRAG_ATTRIB_TEX0][2];
- dq = (invw1 * vert1->texcoord[0][3]) - span.attrStart[FRAG_ATTRIB_TEX0][3];
+ span.attrStart[FRAG_ATTRIB_TEX0][0] = invw0 * vert0->attrib[FRAG_ATTRIB_TEX0][0];
+ span.attrStart[FRAG_ATTRIB_TEX0][1] = invw0 * vert0->attrib[FRAG_ATTRIB_TEX0][1];
+ span.attrStart[FRAG_ATTRIB_TEX0][2] = invw0 * vert0->attrib[FRAG_ATTRIB_TEX0][2];
+ span.attrStart[FRAG_ATTRIB_TEX0][3] = invw0 * vert0->attrib[FRAG_ATTRIB_TEX0][3];
+ ds = (invw1 * vert1->attrib[FRAG_ATTRIB_TEX0][0]) - span.attrStart[FRAG_ATTRIB_TEX0][0];
+ dt = (invw1 * vert1->attrib[FRAG_ATTRIB_TEX0][1]) - span.attrStart[FRAG_ATTRIB_TEX0][1];
+ dr = (invw1 * vert1->attrib[FRAG_ATTRIB_TEX0][2]) - span.attrStart[FRAG_ATTRIB_TEX0][2];
+ dq = (invw1 * vert1->attrib[FRAG_ATTRIB_TEX0][3]) - span.attrStart[FRAG_ATTRIB_TEX0][3];
span.attrStepX[FRAG_ATTRIB_TEX0][0] = ds * invLen;
span.attrStepX[FRAG_ATTRIB_TEX0][1] = dt * invLen;
span.attrStepX[FRAG_ATTRIB_TEX0][2] = dr * invLen;
span.attrStepY[FRAG_ATTRIB_TEX0][3] = 0.0F;
}
#endif
-#ifdef INTERP_MULTITEX
- interpFlags |= SPAN_TEXTURE;
+#if defined(INTERP_MULTITEX) || defined(INTERP_VARYING)
+ interpFlags |= (SPAN_TEXTURE | SPAN_VARYING);
{
const GLfloat invLen = 1.0F / numPixels;
- GLuint u;
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- if (ctx->Texture.Unit[u]._ReallyEnabled) {
- const GLuint attr = FRAG_ATTRIB_TEX0 + u;
- const GLfloat invw0 = vert0->win[3];
- const GLfloat invw1 = vert1->win[3];
- GLfloat ds, dt, dr, dq;
- span.attrStart[attr][0] = invw0 * vert0->texcoord[u][0];
- span.attrStart[attr][1] = invw0 * vert0->texcoord[u][1];
- span.attrStart[attr][2] = invw0 * vert0->texcoord[u][2];
- span.attrStart[attr][3] = invw0 * vert0->texcoord[u][3];
- ds = (invw1 * vert1->texcoord[u][0]) - span.attrStart[attr][0];
- dt = (invw1 * vert1->texcoord[u][1]) - span.attrStart[attr][1];
- dr = (invw1 * vert1->texcoord[u][2]) - span.attrStart[attr][2];
- dq = (invw1 * vert1->texcoord[u][3]) - span.attrStart[attr][3];
- span.attrStepX[attr][0] = ds * invLen;
- span.attrStepX[attr][1] = dt * invLen;
- span.attrStepX[attr][2] = dr * invLen;
- span.attrStepX[attr][3] = dq * invLen;
- span.attrStepY[attr][0] = 0.0F;
- span.attrStepY[attr][1] = 0.0F;
- span.attrStepY[attr][2] = 0.0F;
- span.attrStepY[attr][3] = 0.0F;
- }
- }
- }
-#endif
-#ifdef INTERP_VARYING
- interpFlags |= SPAN_VARYING;
- {
- const GLfloat invLen = 1.0F / numPixels;
- const GLbitfield inputsUsed = ctx->FragmentProgram._Current ?
- ctx->FragmentProgram._Current->Base.InputsRead : 0x0;
const GLfloat invw0 = vert0->win[3];
const GLfloat invw1 = vert1->win[3];
- GLuint v;
- for (v = 0; v < MAX_VARYING; v++) {
- if (inputsUsed & FRAG_BIT_VAR(v)) {
- GLuint attr = FRAG_ATTRIB_VAR0 + v;
+ GLuint attr;
+ for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) {
+ if (swrast->_FragmentAttribs & (1 << attr)) {
GLfloat ds, dt, dr, dq;
- span.attrStart[attr][0] = invw0 * vert0->varying[v][0];
- span.attrStart[attr][1] = invw0 * vert0->varying[v][1];
- span.attrStart[attr][2] = invw0 * vert0->varying[v][2];
- span.attrStart[attr][3] = invw0 * vert0->varying[v][3];
- ds = (invw1 * vert1->varying[v][0]) - span.attrStart[attr][0];
- dt = (invw1 * vert1->varying[v][1]) - span.attrStart[attr][1];
- dr = (invw1 * vert1->varying[v][2]) - span.attrStart[attr][2];
- dq = (invw1 * vert1->varying[v][3]) - span.attrStart[attr][3];
+ span.attrStart[attr][0] = invw0 * vert0->attrib[attr][0];
+ span.attrStart[attr][1] = invw0 * vert0->attrib[attr][1];
+ span.attrStart[attr][2] = invw0 * vert0->attrib[attr][2];
+ span.attrStart[attr][3] = invw0 * vert0->attrib[attr][3];
+ ds = (invw1 * vert1->attrib[attr][0]) - span.attrStart[attr][0];
+ dt = (invw1 * vert1->attrib[attr][1]) - span.attrStart[attr][1];
+ dr = (invw1 * vert1->attrib[attr][2]) - span.attrStart[attr][2];
+ dq = (invw1 * vert1->attrib[attr][3]) - span.attrStart[attr][3];
span.attrStepX[attr][0] = ds * invLen;
span.attrStepX[attr][1] = dt * invLen;
span.attrStepX[attr][2] = dr * invLen;
span.attrStepY[attr][1] = 0.0F;
span.attrStepY[attr][2] = 0.0F;
span.attrStepY[attr][3] = 0.0F;
- }
+ }
}
}
#endif
const GLuint colorIndex = (GLuint) vert->index; /* XXX round? */
#endif
#if FLAGS & TEXTURE
- GLfloat texcoord[MAX_TEXTURE_COORD_UNITS][4];
- GLuint u;
+ GLfloat attrib[FRAG_ATTRIB_MAX][4]; /* texture & varying */
+ GLuint attr;
#endif
SWcontext *swrast = SWRAST_CONTEXT(ctx);
SWspan *span = &(swrast->PointSpan);
span->arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA);
if (ctx->FragmentProgram._Current) {
/* Don't divide texture s,t,r by q (use TXP to do that) */
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- if (ctx->Texture._EnabledCoordUnits & (1 << u)) {
- COPY_4V(texcoord[u], vert->texcoord[u]);
+ for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) {
+ if (swrast->_FragmentAttribs & (1 << attr)) {
+ COPY_4V(attrib[attr], vert->attrib[attr]);
}
}
}
else {
/* Divide texture s,t,r by q here */
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- if (ctx->Texture._EnabledCoordUnits & (1 << u)) {
- const GLfloat q = vert->texcoord[u][3];
+ for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) {
+ if (swrast->_FragmentAttribs & (1 << attr)) {
+ const GLfloat q = vert->attrib[attr][3];
const GLfloat invQ = (q == 0.0F || q == 1.0F) ? 1.0F : (1.0F / q);
- texcoord[u][0] = vert->texcoord[u][0] * invQ;
- texcoord[u][1] = vert->texcoord[u][1] * invQ;
- texcoord[u][2] = vert->texcoord[u][2] * invQ;
- texcoord[u][3] = q;
+ attrib[attr][0] = vert->attrib[attr][0] * invQ;
+ attrib[attr][1] = vert->attrib[attr][1] * invQ;
+ attrib[attr][2] = vert->attrib[attr][2] * invQ;
+ attrib[attr][3] = q;
}
}
}
count = span->end = 0;
}
for (x = xmin; x <= xmax; x++) {
-#if FLAGS & (SPRITE | TEXTURE)
+#if FLAGS & SPRITE
GLuint u;
#endif
span->array->index[count] = colorIndex;
#endif
#if FLAGS & TEXTURE
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- if (ctx->Texture._EnabledCoordUnits & (1 << u)) {
- COPY_4V(span->array->attribs[FRAG_ATTRIB_TEX0 + u][count], texcoord[u]);
- span->array->lambda[u][count] = 0.0;
+ for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) {
+ if (swrast->_FragmentAttribs & (1 << attr)) {
+ COPY_4V(span->array->attribs[attr][count], attrib[attr]);
+ if (attr < FRAG_ATTRIB_VAR0) {
+ const GLuint u = attr - FRAG_ATTRIB_TEX0;
+ span->array->lambda[u][count] = 0.0;
+ }
}
}
#endif
#if FLAGS & SPRITE
for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
+ GLuint attr = FRAG_ATTRIB_TEX0 + u;
if (ctx->Texture.Unit[u]._ReallyEnabled) {
if (ctx->Point.CoordReplace[u]) {
GLfloat s = 0.5F + (x + 0.5F - vert->win[0]) / size;
if (ctx->Point.SpriteRMode == GL_ZERO)
r = 0.0F;
else if (ctx->Point.SpriteRMode == GL_S)
- r = vert->texcoord[u][0];
+ r = vert->attrib[attr][0];
else /* GL_R */
- r = vert->texcoord[u][2];
- span->array->attribs[FRAG_ATTRIB_TEX0 + u][count][0] = s;
- span->array->attribs[FRAG_ATTRIB_TEX0 + u][count][1] = t;
- span->array->attribs[FRAG_ATTRIB_TEX0 + u][count][2] = r;
- span->array->attribs[FRAG_ATTRIB_TEX0 + u][count][3] = 1.0F;
+ r = vert->attrib[attr][2];
+ span->array->attribs[attr][count][0] = s;
+ span->array->attribs[attr][count][1] = t;
+ span->array->attribs[attr][count][2] = r;
+ span->array->attribs[attr][count][3] = 1.0F;
span->array->lambda[u][count] = 0.0; /* XXX fix? */
}
else {
- COPY_4V(span->array->attribs[FRAG_ATTRIB_TEX0 + u][count], vert->texcoord[u]);
+ COPY_4V(span->array->attribs[attr][count],
+ vert->attrib[attr]);
}
}
}
span->array->index[count] = colorIndex;
#endif
#if FLAGS & TEXTURE
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- if (ctx->Texture.Unit[u]._ReallyEnabled) {
- COPY_4V(span->array->attribs[FRAG_ATTRIB_TEX0 + u][count], texcoord[u]);
+ for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) {
+ if (swrast->_FragmentAttribs & (1 << attr)) {
+ COPY_4V(span->array->attribs[attr][count], attribs[attr]);
}
}
#endif
/*
* Mesa 3-D graphics library
- * Version: 6.5.2
+ * Version: 6.5.3
*
- * Copyright (C) 1999-2006 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"),
/*
* Render a smooth-shaded, textured, RGBA triangle.
- * Interpolate S,T,R with perspective correction, w/out mipmapping.
*/
#define NAME general_textured_triangle
#define INTERP_Z 1
-/*
- * This is the big one!
- * Interpolate Z, RGB, Alpha, specular, fog, N sets of texture coordinates,
- * and varying floats. Yup, it's slow.
- */
-#define NAME multitextured_triangle
-#define INTERP_Z 1
-#define INTERP_W 1
-#define INTERP_FOG 1
-#define INTERP_RGB 1
-#define INTERP_ALPHA 1
-#define INTERP_SPEC 1
-#define INTERP_MULTITEX 1
-#define INTERP_VARYING 1
-#define RENDER_SPAN( span ) _swrast_write_rgba_span(ctx, &span);
-#include "s_tritemp.h"
-
-
/*
* Special tri function for occlusion testing
}
else {
/* general case textured triangles */
- if (ctx->Texture._EnabledCoordUnits > 1 ||
- ctx->FragmentProgram._Current) {
- USE(multitextured_triangle);
- }
- else {
- USE(general_textured_triangle);
- }
+ USE(general_textured_triangle);
}
}
else {
/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 6.5.3
*
- * Copyright (C) 1999-2006 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"),
* INTERP_INDEX - if defined, interpolate color index values
* INTERP_INT_TEX - if defined, interpolate integer ST texcoords
* (fast, simple 2-D texture mapping)
- * INTERP_TEX - if defined, interpolate set 0 float STRQ texcoords
+ * INTERP_TEX - if defined, interpolate texcoords and varying vars
* NOTE: OpenGL STRQ = Mesa STUV (R was taken for red)
- * INTERP_MULTITEX - if defined, interpolate N units of STRQ texcoords
- * INTERP_VARYING - if defined, interpolate M GLSL varyings
*
* When one can directly address pixels in the color buffer the following
* macros can be defined and used to compute pixel addresses during
#endif
-/*
- * Either loop over all texture units, or just use unit zero.
- */
-#ifdef INTERP_MULTITEX
-#define TEX_UNIT_LOOP(CODE) \
- { \
- GLuint u; \
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { \
- if (ctx->Texture._EnabledCoordUnits & (1 << u)) { \
- const GLuint attr = FRAG_ATTRIB_TEX0 + u; \
- (void) attr; \
- CODE \
- } \
- } \
+#define TEXVAR_LOOP(CODE) \
+ { \
+ GLuint attr; \
+ for (attr = swrast->_MinFragmentAttrib; \
+ attr < swrast->_MaxFragmentAttrib; attr++) { \
+ if (swrast->_FragmentAttribs & (1 << attr)) { \
+ CODE \
+ } \
+ } \
}
-#define INTERP_TEX
-#elif defined(INTERP_TEX)
-#define TEX_UNIT_LOOP(CODE) \
- { \
- const GLuint u = 0; \
- const GLuint attr = FRAG_ATTRIB_TEX0 + u; \
- (void) attr; \
- CODE \
- }
-#endif
-#ifdef INTERP_VARYING
-
-#define VARYING_LOOP(CODE) \
- { \
- GLuint iv, ic; \
- for (iv = 0; iv < MAX_VARYING; iv++) { \
- if (inputsUsed & FRAG_BIT_VAR(iv)) { \
- GLuint attr = FRAG_ATTRIB_VAR0 + iv; \
- (void) attr; \
- for (ic = 0; ic < 4; ic++) { \
- CODE \
- } \
- } \
- } \
- }
-#endif
-
-
/*
* Some code we unfortunately need to prevent negative interpolated colors.
GLint lines; /* number of lines to be sampled on this edge */
} EdgeT;
+ const SWcontext *swrast = SWRAST_CONTEXT(ctx);
#ifdef INTERP_Z
const GLint depthBits = ctx->DrawBuffer->Visual.depthBits;
const GLint fixedToDepthShift = depthBits <= 16 ? FIXED_SHIFT : 0;
const GLint snapMask = ~((FIXED_ONE / (1 << SUB_PIXEL_BITS)) - 1); /* for x/y coord snapping */
#endif
GLinterp vMin_fx, vMin_fy, vMid_fx, vMid_fy, vMax_fx, vMax_fy;
-#ifdef INTERP_VARYING
- const GLbitfield inputsUsed = ctx->FragmentProgram._Current ?
- ctx->FragmentProgram._Current->Base.InputsRead : 0x0;
-#endif
SWspan span;
+ (void) swrast;
+
INIT_SPAN(span, GL_POLYGON, 0, 0, 0);
#ifdef INTERP_Z
#ifdef INTERP_INT_TEX
span.interpMask |= SPAN_INT_TEXTURE;
{
- GLfloat eMaj_ds = (vMax->texcoord[0][0] - vMin->texcoord[0][0]) * S_SCALE;
- GLfloat eBot_ds = (vMid->texcoord[0][0] - vMin->texcoord[0][0]) * S_SCALE;
- GLfloat eMaj_dt = (vMax->texcoord[0][1] - vMin->texcoord[0][1]) * T_SCALE;
- GLfloat eBot_dt = (vMid->texcoord[0][1] - vMin->texcoord[0][1]) * T_SCALE;
+ GLfloat eMaj_ds = (vMax->attrib[FRAG_ATTRIB_TEX0][0] - vMin->attrib[FRAG_ATTRIB_TEX0][0]) * S_SCALE;
+ GLfloat eBot_ds = (vMid->attrib[FRAG_ATTRIB_TEX0][0] - vMin->attrib[FRAG_ATTRIB_TEX0][0]) * S_SCALE;
+ GLfloat eMaj_dt = (vMax->attrib[FRAG_ATTRIB_TEX0][1] - vMin->attrib[FRAG_ATTRIB_TEX0][1]) * T_SCALE;
+ GLfloat eBot_dt = (vMid->attrib[FRAG_ATTRIB_TEX0][1] - vMin->attrib[FRAG_ATTRIB_TEX0][1]) * T_SCALE;
span.attrStepX[FRAG_ATTRIB_TEX0][0] = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds);
span.attrStepY[FRAG_ATTRIB_TEX0][0] = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx);
span.attrStepX[FRAG_ATTRIB_TEX0][1] = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt);
}
#endif
#ifdef INTERP_TEX
- span.interpMask |= SPAN_TEXTURE;
+ span.interpMask |= (SPAN_TEXTURE | SPAN_VARYING);
{
/* win[3] is 1/W */
const GLfloat wMax = vMax->win[3], wMin = vMin->win[3], wMid = vMid->win[3];
- TEX_UNIT_LOOP(
- GLfloat eMaj_ds = vMax->texcoord[u][0] * wMax - vMin->texcoord[u][0] * wMin;
- GLfloat eBot_ds = vMid->texcoord[u][0] * wMid - vMin->texcoord[u][0] * wMin;
- GLfloat eMaj_dt = vMax->texcoord[u][1] * wMax - vMin->texcoord[u][1] * wMin;
- GLfloat eBot_dt = vMid->texcoord[u][1] * wMid - vMin->texcoord[u][1] * wMin;
- GLfloat eMaj_du = vMax->texcoord[u][2] * wMax - vMin->texcoord[u][2] * wMin;
- GLfloat eBot_du = vMid->texcoord[u][2] * wMid - vMin->texcoord[u][2] * wMin;
- GLfloat eMaj_dv = vMax->texcoord[u][3] * wMax - vMin->texcoord[u][3] * wMin;
- GLfloat eBot_dv = vMid->texcoord[u][3] * wMid - vMin->texcoord[u][3] * wMin;
+ TEXVAR_LOOP(
+ GLfloat eMaj_ds = vMax->attrib[attr][0] * wMax - vMin->attrib[attr][0] * wMin;
+ GLfloat eBot_ds = vMid->attrib[attr][0] * wMid - vMin->attrib[attr][0] * wMin;
+ GLfloat eMaj_dt = vMax->attrib[attr][1] * wMax - vMin->attrib[attr][1] * wMin;
+ GLfloat eBot_dt = vMid->attrib[attr][1] * wMid - vMin->attrib[attr][1] * wMin;
+ GLfloat eMaj_du = vMax->attrib[attr][2] * wMax - vMin->attrib[attr][2] * wMin;
+ GLfloat eBot_du = vMid->attrib[attr][2] * wMid - vMin->attrib[attr][2] * wMin;
+ GLfloat eMaj_dv = vMax->attrib[attr][3] * wMax - vMin->attrib[attr][3] * wMin;
+ GLfloat eBot_dv = vMid->attrib[attr][3] * wMid - vMin->attrib[attr][3] * wMin;
span.attrStepX[attr][0] = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds);
span.attrStepY[attr][0] = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx);
span.attrStepX[attr][1] = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt);
)
}
#endif
-#ifdef INTERP_VARYING
- span.interpMask |= SPAN_VARYING;
- {
- /* win[3] is 1/W */
- const GLfloat wMax = vMax->win[3], wMin = vMin->win[3], wMid = vMid->win[3];
- VARYING_LOOP(
- GLfloat eMaj_dvar = vMax->varying[iv][ic] * wMax - vMin->varying[iv][ic] * wMin;
- GLfloat eBot_dvar = vMid->varying[iv][ic] * wMid - vMin->varying[iv][ic] * wMin;
- span.attrStepX[attr][ic] = oneOverArea * (eMaj_dvar * eBot.dy - eMaj.dy * eBot_dvar);
- span.attrStepY[attr][ic] = oneOverArea * (eMaj.dx * eBot_dvar - eMaj_dvar * eBot.dx);
- )
- }
-#endif
/*
* We always sample at pixel centers. However, we avoid
GLfixed tLeft=0, dtOuter=0, dtInner;
#endif
#ifdef INTERP_TEX
- GLfloat sLeft[MAX_TEXTURE_COORD_UNITS];
- GLfloat tLeft[MAX_TEXTURE_COORD_UNITS];
- GLfloat uLeft[MAX_TEXTURE_COORD_UNITS];
- GLfloat vLeft[MAX_TEXTURE_COORD_UNITS];
- GLfloat dsOuter[MAX_TEXTURE_COORD_UNITS], dsInner[MAX_TEXTURE_COORD_UNITS];
- GLfloat dtOuter[MAX_TEXTURE_COORD_UNITS], dtInner[MAX_TEXTURE_COORD_UNITS];
- GLfloat duOuter[MAX_TEXTURE_COORD_UNITS], duInner[MAX_TEXTURE_COORD_UNITS];
- GLfloat dvOuter[MAX_TEXTURE_COORD_UNITS], dvInner[MAX_TEXTURE_COORD_UNITS];
-#endif
-#ifdef INTERP_VARYING
- GLfloat varLeft[MAX_VARYING][4];
- GLfloat dvarOuter[MAX_VARYING][4];
- GLfloat dvarInner[MAX_VARYING][4];
+ GLfloat sLeft[FRAG_ATTRIB_MAX];
+ GLfloat tLeft[FRAG_ATTRIB_MAX];
+ GLfloat uLeft[FRAG_ATTRIB_MAX];
+ GLfloat vLeft[FRAG_ATTRIB_MAX];
+ GLfloat dsOuter[FRAG_ATTRIB_MAX], dsInner[FRAG_ATTRIB_MAX];
+ GLfloat dtOuter[FRAG_ATTRIB_MAX], dtInner[FRAG_ATTRIB_MAX];
+ GLfloat duOuter[FRAG_ATTRIB_MAX], duInner[FRAG_ATTRIB_MAX];
+ GLfloat dvOuter[FRAG_ATTRIB_MAX], dvInner[FRAG_ATTRIB_MAX];
#endif
for (subTriangle=0; subTriangle<=1; subTriangle++) {
#ifdef INTERP_INT_TEX
{
GLfloat s0, t0;
- s0 = vLower->texcoord[0][0] * S_SCALE;
+ s0 = vLower->attrib[FRAG_ATTRIB_TEX0][0] * S_SCALE;
sLeft = (GLfixed)(s0 * FIXED_SCALE + span.attrStepX[FRAG_ATTRIB_TEX0][0] * adjx
+ span.attrStepY[FRAG_ATTRIB_TEX0][0] * adjy) + FIXED_HALF;
dsOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_TEX0][0] + dxOuter * span.attrStepX[FRAG_ATTRIB_TEX0][0]);
- t0 = vLower->texcoord[0][1] * T_SCALE;
+ t0 = vLower->attrib[FRAG_ATTRIB_TEX0][1] * T_SCALE;
tLeft = (GLfixed)(t0 * FIXED_SCALE + span.attrStepX[FRAG_ATTRIB_TEX0][1] * adjx
+ span.attrStepY[FRAG_ATTRIB_TEX0][1] * adjy) + FIXED_HALF;
dtOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_TEX0][1] + dxOuter * span.attrStepX[FRAG_ATTRIB_TEX0][1]);
}
#endif
#ifdef INTERP_TEX
- TEX_UNIT_LOOP(
+ TEXVAR_LOOP(
const GLfloat invW = vLower->win[3];
- const GLfloat s0 = vLower->texcoord[u][0] * invW;
- const GLfloat t0 = vLower->texcoord[u][1] * invW;
- const GLfloat u0 = vLower->texcoord[u][2] * invW;
- const GLfloat v0 = vLower->texcoord[u][3] * invW;
- sLeft[u] = s0 + (span.attrStepX[attr][0] * adjx + span.attrStepY[attr][0] * adjy) * (1.0F/FIXED_SCALE);
- tLeft[u] = t0 + (span.attrStepX[attr][1] * adjx + span.attrStepY[attr][1] * adjy) * (1.0F/FIXED_SCALE);
- uLeft[u] = u0 + (span.attrStepX[attr][2] * adjx + span.attrStepY[attr][2] * adjy) * (1.0F/FIXED_SCALE);
- vLeft[u] = v0 + (span.attrStepX[attr][3] * adjx + span.attrStepY[attr][3] * adjy) * (1.0F/FIXED_SCALE);
- dsOuter[u] = span.attrStepY[attr][0] + dxOuter * span.attrStepX[attr][0];
- dtOuter[u] = span.attrStepY[attr][1] + dxOuter * span.attrStepX[attr][1];
- duOuter[u] = span.attrStepY[attr][2] + dxOuter * span.attrStepX[attr][2];
- dvOuter[u] = span.attrStepY[attr][3] + dxOuter * span.attrStepX[attr][3];
- )
-#endif
-#ifdef INTERP_VARYING
- VARYING_LOOP(
- const GLfloat invW = vLower->win[3];
- const GLfloat var0 = vLower->varying[iv][ic] * invW;
- varLeft[iv][ic] = var0 + (span.attrStepX[attr][ic] * adjx +
- span.attrStepY[attr][ic] * adjy) * (1.0f / FIXED_SCALE);
- dvarOuter[iv][ic] = span.attrStepY[attr][ic] + dxOuter * span.attrStepX[attr][ic];
+ const GLfloat s0 = vLower->attrib[attr][0] * invW;
+ const GLfloat t0 = vLower->attrib[attr][1] * invW;
+ const GLfloat u0 = vLower->attrib[attr][2] * invW;
+ const GLfloat v0 = vLower->attrib[attr][3] * invW;
+ sLeft[attr] = s0 + (span.attrStepX[attr][0] * adjx + span.attrStepY[attr][0] * adjy) * (1.0F/FIXED_SCALE);
+ tLeft[attr] = t0 + (span.attrStepX[attr][1] * adjx + span.attrStepY[attr][1] * adjy) * (1.0F/FIXED_SCALE);
+ uLeft[attr] = u0 + (span.attrStepX[attr][2] * adjx + span.attrStepY[attr][2] * adjy) * (1.0F/FIXED_SCALE);
+ vLeft[attr] = v0 + (span.attrStepX[attr][3] * adjx + span.attrStepY[attr][3] * adjy) * (1.0F/FIXED_SCALE);
+ dsOuter[attr] = span.attrStepY[attr][0] + dxOuter * span.attrStepX[attr][0];
+ dtOuter[attr] = span.attrStepY[attr][1] + dxOuter * span.attrStepX[attr][1];
+ duOuter[attr] = span.attrStepY[attr][2] + dxOuter * span.attrStepX[attr][2];
+ dvOuter[attr] = span.attrStepY[attr][3] + dxOuter * span.attrStepX[attr][3];
)
#endif
} /*if setupLeft*/
dtInner = dtOuter + span.intTexStep[1];
#endif
#ifdef INTERP_TEX
- TEX_UNIT_LOOP(
- dsInner[u] = dsOuter[u] + span.attrStepX[attr][0];
- dtInner[u] = dtOuter[u] + span.attrStepX[attr][1];
- duInner[u] = duOuter[u] + span.attrStepX[attr][2];
- dvInner[u] = dvOuter[u] + span.attrStepX[attr][3];
- )
-#endif
-#ifdef INTERP_VARYING
- VARYING_LOOP(
- dvarInner[iv][ic] = dvarOuter[iv][ic] + span.attrStepX[attr][ic];
+ TEXVAR_LOOP(
+ dsInner[attr] = dsOuter[attr] + span.attrStepX[attr][0];
+ dtInner[attr] = dtOuter[attr] + span.attrStepX[attr][1];
+ duInner[attr] = duOuter[attr] + span.attrStepX[attr][2];
+ dvInner[attr] = dvOuter[attr] + span.attrStepX[attr][3];
)
#endif
#endif
#ifdef INTERP_TEX
- TEX_UNIT_LOOP(
- span.attrStart[attr][0] = sLeft[u];
- span.attrStart[attr][1] = tLeft[u];
- span.attrStart[attr][2] = uLeft[u];
- span.attrStart[attr][3] = vLeft[u];
- )
-#endif
-#ifdef INTERP_VARYING
- VARYING_LOOP(
- span.attrStart[attr][ic] = varLeft[iv][ic];
+ TEXVAR_LOOP(
+ span.attrStart[attr][0] = sLeft[attr];
+ span.attrStart[attr][1] = tLeft[attr];
+ span.attrStart[attr][2] = uLeft[attr];
+ span.attrStart[attr][3] = vLeft[attr];
)
#endif
tLeft += dtOuter;
#endif
#ifdef INTERP_TEX
- TEX_UNIT_LOOP(
- sLeft[u] += dsOuter[u];
- tLeft[u] += dtOuter[u];
- uLeft[u] += duOuter[u];
- vLeft[u] += dvOuter[u];
- )
-#endif
-#ifdef INTERP_VARYING
- VARYING_LOOP(
- varLeft[iv][ic] += dvarOuter[iv][ic];
+ TEXVAR_LOOP(
+ sLeft[attr] += dsOuter[attr];
+ tLeft[attr] += dtOuter[attr];
+ uLeft[attr] += duOuter[attr];
+ vLeft[attr] += dvOuter[attr];
)
#endif
}
tLeft += dtInner;
#endif
#ifdef INTERP_TEX
- TEX_UNIT_LOOP(
- sLeft[u] += dsInner[u];
- tLeft[u] += dtInner[u];
- uLeft[u] += duInner[u];
- vLeft[u] += dvInner[u];
- )
-#endif
-#ifdef INTERP_VARYING
- VARYING_LOOP(
- varLeft[iv][ic] += dvarInner[iv][ic];
+ TEXVAR_LOOP(
+ sLeft[attr] += dsInner[attr];
+ tLeft[attr] += dtInner[attr];
+ uLeft[attr] += duInner[attr];
+ vLeft[attr] += dvInner[attr];
)
#endif
}
#undef INTERP_INDEX
#undef INTERP_INT_TEX
#undef INTERP_TEX
-#undef INTERP_MULTITEX
-#undef INTERP_VARYING
#undef TEX_UNIT_LOOP
#undef VARYING_LOOP
* that clip{XYZ} were multiplied by to get ndc{XYZ}.
*/
GLfloat win[4];
- GLfloat texcoord[MAX_TEXTURE_COORD_UNITS][4];
GLchan color[4];
GLchan specular[4];
GLfloat fog;
GLfloat index;
GLfloat pointSize;
- GLfloat varying[MAX_VERTEX_ATTRIBS][4];
+ GLfloat attrib[FRAG_ATTRIB_MAX][4]; /**< texcoords & varying, more to come */
} SWvertex;
if (RENDERINPUTS_TEST_RANGE( index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX )) {
for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_TEX(i) )) {
- EMIT_ATTR( _TNL_ATTRIB_TEX(i), EMIT_4F, texcoord[i] );
+ EMIT_ATTR( _TNL_ATTRIB_TEX(i), EMIT_4F, attrib[FRAG_ATTRIB_TEX0 + i] );
}
}
}
for (i = 0; i < ctx->Const.MaxVarying; i++) {
if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_GENERIC(i) )) {
EMIT_ATTR( _TNL_ATTRIB_GENERIC(i), VARYING_EMIT_STYLE,
- varying[i] );
+ attrib[FRAG_ATTRIB_VAR0 + i] );
}
}
}
for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++)
- _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_TEX0+i, dest->texcoord[i] );
-
+ _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_TEX0+i,
+ dest->attrib[FRAG_ATTRIB_TEX0 + i] );
+
+ for (i = 0 ; i < ctx->Const.MaxVarying ; i++)
+ _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_GENERIC0+i,
+ dest->attrib[FRAG_ATTRIB_VAR0 + i] );
+
_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_COLOR0, tmp );
UNCLAMPED_FLOAT_TO_RGBA_CHAN( dest->color, tmp );
projects / mesa.git / commitdiff