-/* $Id: s_feedback.c,v 1.2 2000/11/13 20:02:57 keithw Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 3.3
- *
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
- *
+ * Version: 6.3
+ *
+ * Copyright (C) 1999-2005 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
#include "enums.h"
#include "feedback.h"
#include "macros.h"
-#include "mmath.h"
#include "s_context.h"
#include "s_feedback.h"
-static void feedback_vertex( GLcontext *ctx, SWvertex *v, SWvertex *pv )
+static void feedback_vertex( GLcontext *ctx,
+ const SWvertex *v, const SWvertex *pv )
{
GLfloat win[4];
GLfloat color[4];
GLfloat tc[4];
- GLuint texUnit = ctx->Texture.CurrentTransformUnit;
- GLuint index;
+ const GLfloat *vtc = v->attrib[FRAG_ATTRIB_TEX0];
win[0] = v->win[0];
win[1] = v->win[1];
- win[2] = v->win[2] / ctx->Visual.DepthMaxF;
- win[3] = 1.0 / v->win[3];
+ win[2] = v->win[2] / ctx->DrawBuffer->_DepthMaxF;
+ win[3] = 1.0F / v->win[3];
color[0] = CHAN_TO_FLOAT(pv->color[0]);
color[1] = CHAN_TO_FLOAT(pv->color[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);
}
- index = v->index;
-
- gl_feedback_vertex( ctx, win, color, index, tc );
+ _mesa_feedback_vertex( ctx, win, color, (GLfloat) v->index, tc );
}
/*
* Put triangle in feedback buffer.
*/
-void gl_feedback_triangle( GLcontext *ctx, SWvertex *v0, SWvertex *v1,
- SWvertex *v2)
+void _swrast_feedback_triangle( GLcontext *ctx,
+ const SWvertex *v0,
+ const SWvertex *v1,
+ const SWvertex *v2)
{
- if (gl_cull_triangle( ctx, v0, v1, v2 )) {
+ if (_swrast_culltriangle( ctx, v0, v1, v2 )) {
FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_POLYGON_TOKEN );
FEEDBACK_TOKEN( ctx, (GLfloat) 3 ); /* three vertices */
-
+
if (ctx->Light.ShadeModel == GL_SMOOTH) {
feedback_vertex( ctx, v0, v0 );
feedback_vertex( ctx, v1, v1 );
feedback_vertex( ctx, v2, v2 );
} else {
- feedback_vertex( ctx, v0, v0 );
- feedback_vertex( ctx, v1, v0 );
- feedback_vertex( ctx, v2, v0 );
+ feedback_vertex( ctx, v0, v2 );
+ feedback_vertex( ctx, v1, v2 );
+ feedback_vertex( ctx, v2, v2 );
}
}
}
-void gl_feedback_line( GLcontext *ctx, SWvertex *v0, SWvertex *v1 )
+void _swrast_feedback_line( GLcontext *ctx, const SWvertex *v0, const SWvertex *v1 )
{
GLenum token = GL_LINE_TOKEN;
SWcontext *swrast = SWRAST_CONTEXT(ctx);
- if (swrast->StippleCounter==0)
+ if (swrast->StippleCounter==0)
token = GL_LINE_RESET_TOKEN;
FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) token );
feedback_vertex( ctx, v0, v0 );
feedback_vertex( ctx, v1, v1 );
} else {
- feedback_vertex( ctx, v0, v0 );
- feedback_vertex( ctx, v1, v0 );
+ feedback_vertex( ctx, v0, v1 );
+ feedback_vertex( ctx, v1, v1 );
}
swrast->StippleCounter++;
}
-void gl_feedback_point( GLcontext *ctx, SWvertex *v )
+void _swrast_feedback_point( GLcontext *ctx, const SWvertex *v )
{
FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_POINT_TOKEN );
feedback_vertex( ctx, v, v );
}
-void gl_select_triangle( GLcontext *ctx, SWvertex *v0, SWvertex *v1,
- SWvertex *v2)
+void _swrast_select_triangle( GLcontext *ctx,
+ const SWvertex *v0,
+ const SWvertex *v1,
+ const SWvertex *v2)
{
- if (gl_cull_triangle( ctx, v0, v1, v2 )) {
- const GLfloat zs = 1.0F / ctx->Visual.DepthMaxF;
+ if (_swrast_culltriangle( ctx, v0, v1, v2 )) {
+ const GLfloat zs = 1.0F / ctx->DrawBuffer->_DepthMaxF;
- gl_update_hitflag( ctx, v0->win[2] * zs );
- gl_update_hitflag( ctx, v1->win[2] * zs );
- gl_update_hitflag( ctx, v2->win[2] * zs );
+ _mesa_update_hitflag( ctx, v0->win[2] * zs );
+ _mesa_update_hitflag( ctx, v1->win[2] * zs );
+ _mesa_update_hitflag( ctx, v2->win[2] * zs );
}
}
-void gl_select_line( GLcontext *ctx, SWvertex *v0, SWvertex *v1 )
+void _swrast_select_line( GLcontext *ctx, const SWvertex *v0, const SWvertex *v1 )
{
- const GLfloat zs = 1.0F / ctx->Visual.DepthMaxF;
- gl_update_hitflag( ctx, v0->win[2] * zs );
- gl_update_hitflag( ctx, v1->win[2] * zs );
+ const GLfloat zs = 1.0F / ctx->DrawBuffer->_DepthMaxF;
+ _mesa_update_hitflag( ctx, v0->win[2] * zs );
+ _mesa_update_hitflag( ctx, v1->win[2] * zs );
}
-void gl_select_point( GLcontext *ctx, SWvertex *v )
+void _swrast_select_point( GLcontext *ctx, const SWvertex *v )
{
- const GLfloat zs = 1.0F / ctx->Visual.DepthMaxF;
- gl_update_hitflag( ctx, v->win[2] * zs );
+ const GLfloat zs = 1.0F / ctx->DrawBuffer->_DepthMaxF;
+ _mesa_update_hitflag( ctx, v->win[2] * zs );
}
-
-
-
projects / mesa.git / blobdiff