diff options
author | Zou Nan hai <nanhai.zou@intel.com> | 2007-07-04 10:52:35 +0800 |
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committer | Zou Nan hai <nanhai.zou@intel.com> | 2007-07-04 10:52:35 +0800 |
commit | fb9ee9b323bff93973a39560b2bc007aace4bddd (patch) | |
tree | 05e1e72e8f4d321cde2c48b8518e6d9736c680dd /src/mesa/swrast/s_feedback.c | |
parent | 285b326c606e9b2f90e4fe177b15b3fa23239b86 (diff) | |
parent | 7ff4359a3be1278b26950f96ab23014a667af838 (diff) |
Merge branch 'master' of git+ssh://znh@git.freedesktop.org/git/mesa/mesa into 965-glsl
Diffstat (limited to 'src/mesa/swrast/s_feedback.c')
-rw-r--r-- | src/mesa/swrast/s_feedback.c | 126 |
1 files changed, 53 insertions, 73 deletions
diff --git a/src/mesa/swrast/s_feedback.c b/src/mesa/swrast/s_feedback.c index 5d3fbdfeb6..07b7409ab5 100644 --- a/src/mesa/swrast/s_feedback.c +++ b/src/mesa/swrast/s_feedback.c @@ -1,8 +1,8 @@ /* * Mesa 3-D graphics library - * Version: 6.3 + * Version: 7.0 * - * 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"), @@ -34,127 +34,107 @@ #include "s_triangle.h" -#define FB_3D 0x01 -#define FB_4D 0x02 -#define FB_INDEX 0x04 -#define FB_COLOR 0x08 -#define FB_TEXTURE 0X10 - - - -static void feedback_vertex( GLcontext *ctx, - const SWvertex *v, const SWvertex *pv ) +static void +feedback_vertex(GLcontext * ctx, const SWvertex * v, const SWvertex * pv) { GLfloat win[4]; - GLfloat color[4]; - GLfloat tc[4]; const GLfloat *vtc = v->attrib[FRAG_ATTRIB_TEX0]; + const GLfloat *color = v->attrib[FRAG_ATTRIB_COL0]; - win[0] = v->win[0]; - win[1] = v->win[1]; - 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 (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, vtc); - } + win[0] = v->attrib[FRAG_ATTRIB_WPOS][0]; + win[1] = v->attrib[FRAG_ATTRIB_WPOS][1]; + win[2] = v->attrib[FRAG_ATTRIB_WPOS][2] / ctx->DrawBuffer->_DepthMaxF; + win[3] = 1.0F / v->attrib[FRAG_ATTRIB_WPOS][3]; - _mesa_feedback_vertex( ctx, win, color, (GLfloat) v->index, tc ); + _mesa_feedback_vertex(ctx, win, color, v->attrib[FRAG_ATTRIB_CI][0], vtc); } /* * Put triangle in feedback buffer. */ -void _swrast_feedback_triangle( GLcontext *ctx, - const SWvertex *v0, - const SWvertex *v1, - const SWvertex *v2) +void +_swrast_feedback_triangle(GLcontext *ctx, const SWvertex *v0, + const SWvertex *v1, const SWvertex *v2) { - if (_swrast_culltriangle( ctx, v0, v1, v2 )) { - FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_POLYGON_TOKEN ); - FEEDBACK_TOKEN( ctx, (GLfloat) 3 ); /* three vertices */ + 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, v2 ); - feedback_vertex( ctx, v1, v2 ); - feedback_vertex( ctx, v2, v2 ); + feedback_vertex(ctx, v0, v0); + feedback_vertex(ctx, v1, v1); + feedback_vertex(ctx, v2, v2); + } + else { + feedback_vertex(ctx, v0, v2); + feedback_vertex(ctx, v1, v2); + feedback_vertex(ctx, v2, v2); } } } -void _swrast_feedback_line( GLcontext *ctx, const SWvertex *v0, const 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_TOKEN(ctx, (GLfloat) (GLint) token); if (ctx->Light.ShadeModel == GL_SMOOTH) { - feedback_vertex( ctx, v0, v0 ); - feedback_vertex( ctx, v1, v1 ); - } else { - feedback_vertex( ctx, v0, v1 ); - feedback_vertex( ctx, v1, v1 ); + feedback_vertex(ctx, v0, v0); + feedback_vertex(ctx, v1, v1); + } + else { + feedback_vertex(ctx, v0, v1); + feedback_vertex(ctx, v1, v1); } swrast->StippleCounter++; } -void _swrast_feedback_point( GLcontext *ctx, const SWvertex *v ) +void +_swrast_feedback_point(GLcontext *ctx, const SWvertex *v) { - FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_POINT_TOKEN ); - feedback_vertex( ctx, v, v ); + FEEDBACK_TOKEN(ctx, (GLfloat) (GLint) GL_POINT_TOKEN); + feedback_vertex(ctx, v, v); } -void _swrast_select_triangle( GLcontext *ctx, - const SWvertex *v0, - const SWvertex *v1, - const SWvertex *v2) +void +_swrast_select_triangle(GLcontext *ctx, const SWvertex *v0, + const SWvertex *v1, const SWvertex *v2) { - if (_swrast_culltriangle( ctx, v0, v1, v2 )) { + if (_swrast_culltriangle(ctx, v0, v1, v2)) { const GLfloat zs = 1.0F / ctx->DrawBuffer->_DepthMaxF; - _mesa_update_hitflag( ctx, v0->win[2] * zs ); - _mesa_update_hitflag( ctx, v1->win[2] * zs ); - _mesa_update_hitflag( ctx, v2->win[2] * zs ); + _mesa_update_hitflag( ctx, v0->attrib[FRAG_ATTRIB_WPOS][2] * zs ); + _mesa_update_hitflag( ctx, v1->attrib[FRAG_ATTRIB_WPOS][2] * zs ); + _mesa_update_hitflag( ctx, v2->attrib[FRAG_ATTRIB_WPOS][2] * zs ); } } -void _swrast_select_line( GLcontext *ctx, const SWvertex *v0, const SWvertex *v1 ) +void +_swrast_select_line(GLcontext *ctx, const SWvertex *v0, const SWvertex *v1) { const GLfloat zs = 1.0F / ctx->DrawBuffer->_DepthMaxF; - _mesa_update_hitflag( ctx, v0->win[2] * zs ); - _mesa_update_hitflag( ctx, v1->win[2] * zs ); + _mesa_update_hitflag( ctx, v0->attrib[FRAG_ATTRIB_WPOS][2] * zs ); + _mesa_update_hitflag( ctx, v1->attrib[FRAG_ATTRIB_WPOS][2] * zs ); } -void _swrast_select_point( GLcontext *ctx, const SWvertex *v ) +void +_swrast_select_point(GLcontext *ctx, const SWvertex *v) { const GLfloat zs = 1.0F / ctx->DrawBuffer->_DepthMaxF; - _mesa_update_hitflag( ctx, v->win[2] * zs ); + _mesa_update_hitflag( ctx, v->attrib[FRAG_ATTRIB_WPOS][2] * zs ); } |