diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/swrast/s_feedback.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/swrast/s_feedback.c | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/swrast/s_feedback.c b/nx-X11/extras/Mesa/src/mesa/swrast/s_feedback.c deleted file mode 100644 index 26cb05cd5..000000000 --- a/nx-X11/extras/Mesa/src/mesa/swrast/s_feedback.c +++ /dev/null @@ -1,161 +0,0 @@ -/* - * Mesa 3-D graphics library - * 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 - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "glheader.h" -#include "colormac.h" -#include "context.h" -#include "enums.h" -#include "feedback.h" -#include "macros.h" - -#include "s_context.h" -#include "s_feedback.h" -#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 ) -{ - const GLuint texUnit = 0; /* See section 5.3 of 1.2.1 spec */ - GLfloat win[4]; - GLfloat color[4]; - GLfloat tc[4]; - - 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 (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]; - } - else { - COPY_4V(tc, v->texcoord[texUnit]); - } - - _mesa_feedback_vertex( ctx, win, color, (GLfloat) v->index, tc ); -} - - -/* - * Put triangle in feedback buffer. - */ -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 (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 ); - } - } -} - - -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) - token = GL_LINE_RESET_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 ); - } - - swrast->StippleCounter++; -} - - -void _swrast_feedback_point( GLcontext *ctx, const SWvertex *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) -{ - 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 ); - } -} - - -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 ); -} - - -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 ); -} |