-/* $Id: s_aalinetemp.h,v 1.3 2001/01/04 15:32:32 brianp Exp $ */
+/* $Id: s_aalinetemp.h,v 1.12 2001/05/21 18:13:43 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
- *
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
- *
+ *
+ * Copyright (C) 1999-2001 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"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
- *
+ *
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
const GLfloat coverage = compute_coveragef(line, ix, iy);
GLdepth z;
GLfloat fog;
+#ifdef DO_RGBA
GLchan red, green, blue, alpha;
- GLint frac, indx, index;
+#else
+ GLint index;
+#endif
GLchan specRed, specGreen, specBlue;
GLfloat tex[MAX_TEXTURE_UNITS][4], lambda[MAX_TEXTURE_UNITS];
red = solve_plane_chan(fx, fy, line->rPlane);
green = solve_plane_chan(fx, fy, line->gPlane);
blue = solve_plane_chan(fx, fy, line->bPlane);
- alpha = (GLchan) (solve_plane_chan(fx, fy, line->aPlane) * coverage);;
-#else
- (void) red;
- (void) green;
- (void) blue;
- (void) alpha;
+ alpha = solve_plane_chan(fx, fy, line->aPlane);
#endif
#ifdef DO_INDEX
- frac = (GLint) (15.0 * coverage);
- indx = (GLint) solve_plane(fx, fy, line->iPlane);
- index = (indx & ~0xf) | frac;
-#else
- (void) frac;
- (void) indx;
- (void) index;
+ index = (GLint) solve_plane(fx, fy, line->iPlane);
#endif
#ifdef DO_SPEC
specRed = solve_plane_chan(fx, fy, line->srPlane);
#endif
+ PB_COVERAGE(pb, coverage);
+
#if defined(DO_MULTITEX)
#if defined(DO_SPEC)
PB_WRITE_MULTITEX_SPEC_PIXEL(pb, ix, iy, z, fog, red, green, blue, alpha,
specRed, specGreen, specBlue, tex);
#else
- PB_WRITE_MULTITEX_PIXEL(pb, ix, iy, z, fog, red, green, blue, alpha, texcoords);
+ PB_WRITE_MULTITEX_PIXEL(pb, ix, iy, z, fog, red, green, blue, alpha, tex);
#endif
#elif defined(DO_TEX)
PB_WRITE_TEX_PIXEL(pb, ix, iy, z, fog, red, green, blue, alpha,
PB_WRITE_CI_PIXEL(pb, ix, iy, z, fog, index);
#endif
+ pb->haveCoverage = GL_TRUE;
PB_CHECK_FLUSH(ctx, pb);
}
line.dy = line.y1 - line.y0;
line.len = sqrt(line.dx * line.dx + line.dy * line.dy);
line.halfWidth = 0.5F * ctx->Line.Width;
- if (line.len == 0.0) {
- line.xAdj = 0.0;
- line.yAdj = 0.0;
- }
- else {
- line.xAdj = line.dx / line.len * line.halfWidth;
- line.yAdj = line.dy / line.len * line.halfWidth;
- }
+
+ if (line.len == 0.0)
+ return;
+
+ line.xAdj = line.dx / line.len * line.halfWidth;
+ line.yAdj = line.dy / line.len * line.halfWidth;
#ifdef DO_Z
compute_plane(line.x0, line.y0, line.x1, line.y1,
v0->color[ACOMP], v1->color[ACOMP], line.aPlane);
}
else {
- constant_plane(v0->color[RCOMP], line.rPlane);
- constant_plane(v0->color[GCOMP], line.gPlane);
- constant_plane(v0->color[BCOMP], line.bPlane);
- constant_plane(v0->color[ACOMP], line.aPlane);
+ constant_plane(v1->color[RCOMP], line.rPlane);
+ constant_plane(v1->color[GCOMP], line.gPlane);
+ constant_plane(v1->color[BCOMP], line.bPlane);
+ constant_plane(v1->color[ACOMP], line.aPlane);
}
#endif
#ifdef DO_SPEC
v0->specular[BCOMP], v1->specular[BCOMP], line.sbPlane);
}
else {
- constant_plane(v0->specular[RCOMP], line.srPlane);
- constant_plane(v0->specular[GCOMP], line.sgPlane);
- constant_plane(v0->specular[BCOMP], line.sbPlane);
+ constant_plane(v1->specular[RCOMP], line.srPlane);
+ constant_plane(v1->specular[GCOMP], line.sgPlane);
+ constant_plane(v1->specular[BCOMP], line.sbPlane);
}
#endif
#ifdef DO_INDEX
v0->index, v1->index, line.iPlane);
}
else {
- constant_plane(v0->index, line.iPlane);
+ constant_plane(v1->index, line.iPlane);
}
#endif
#ifdef DO_TEX
line.texWidth[0] = (GLfloat) texImage->Width;
line.texHeight[0] = (GLfloat) texImage->Height;
}
-#elif defined(DO_MULITEX)
+#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;
+ 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[obj->BaseLevel];
const GLfloat invW0 = v0->win[3];
const GLfloat invW1 = v1->win[3];
- GLfloat (*texCoord)[4] = VB->TexCoordPtr[u]->data;
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 q1 = v1->texcoord[u][3] * invW0;
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, u0, u1, line.uPlane[u]);
- compute_plane(line.x0, line.y0, line.x1, line.y1, v0, v1, line.vPlane[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;
}
}
swrast->StippleCounter++;
}
+
+ if (inSegment) {
+ /* draw the final segment of the line */
+ segment(ctx, &line, NAME(plot), pb, tStart, 1.0F);
+ }
}
else {
/* non-stippled */
projects / mesa.git / blobdiff