diff options
Diffstat (limited to 'src/mesa/tnl/t_vtx_eval.c')
-rw-r--r-- | src/mesa/tnl/t_vtx_eval.c | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/src/mesa/tnl/t_vtx_eval.c b/src/mesa/tnl/t_vtx_eval.c deleted file mode 100644 index bb621ecbe3..0000000000 --- a/src/mesa/tnl/t_vtx_eval.c +++ /dev/null @@ -1,264 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5.1 - * - * Copyright (C) 1999-2006 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. - * - * Authors: - * Keith Whitwell <keith@tungstengraphics.com> - */ - -#include "glheader.h" -#include "api_eval.h" -#include "context.h" -#include "macros.h" -#include "math/m_eval.h" -#include "t_vtx_api.h" -#include "dispatch.h" - - -static void clear_active_eval1( TNLcontext *tnl, GLuint attr ) -{ - ASSERT(attr < _TNL_NUM_EVAL); - tnl->vtx.eval.map1[attr].map = NULL; -} - -static void clear_active_eval2( TNLcontext *tnl, GLuint attr ) -{ - ASSERT(attr < _TNL_NUM_EVAL); - tnl->vtx.eval.map2[attr].map = NULL; -} - -static void set_active_eval1( TNLcontext *tnl, GLuint attr, GLuint dim, - struct gl_1d_map *map ) -{ - ASSERT(attr < _TNL_NUM_EVAL); - if (!tnl->vtx.eval.map1[attr].map) { - tnl->vtx.eval.map1[attr].map = map; - tnl->vtx.eval.map1[attr].sz = dim; - } -} - -static void set_active_eval2( TNLcontext *tnl, GLuint attr, GLuint dim, - struct gl_2d_map *map ) -{ - ASSERT(attr < _TNL_NUM_EVAL); - if (!tnl->vtx.eval.map2[attr].map) { - tnl->vtx.eval.map2[attr].map = map; - tnl->vtx.eval.map2[attr].sz = dim; - } -} - -void _tnl_update_eval( GLcontext *ctx ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - GLuint attr; - - /* Vertex program maps have priority over conventional attribs */ - - for (attr = 0; attr < _TNL_NUM_EVAL; attr++) { - clear_active_eval1( tnl, attr ); - clear_active_eval2( tnl, attr ); - } - - if (ctx->Eval.Map1Color4) - set_active_eval1( tnl, VERT_ATTRIB_COLOR0, 4, &ctx->EvalMap.Map1Color4 ); - - if (ctx->Eval.Map2Color4) - set_active_eval2( tnl, VERT_ATTRIB_COLOR0, 4, &ctx->EvalMap.Map2Color4 ); - - if (ctx->Eval.Map1TextureCoord4) - set_active_eval1( tnl, VERT_ATTRIB_TEX0, 4, &ctx->EvalMap.Map1Texture4 ); - else if (ctx->Eval.Map1TextureCoord3) - set_active_eval1( tnl, VERT_ATTRIB_TEX0, 3, &ctx->EvalMap.Map1Texture3 ); - else if (ctx->Eval.Map1TextureCoord2) - set_active_eval1( tnl, VERT_ATTRIB_TEX0, 2, &ctx->EvalMap.Map1Texture2 ); - else if (ctx->Eval.Map1TextureCoord1) - set_active_eval1( tnl, VERT_ATTRIB_TEX0, 1, &ctx->EvalMap.Map1Texture1 ); - - if (ctx->Eval.Map2TextureCoord4) - set_active_eval2( tnl, VERT_ATTRIB_TEX0, 4, &ctx->EvalMap.Map2Texture4 ); - else if (ctx->Eval.Map2TextureCoord3) - set_active_eval2( tnl, VERT_ATTRIB_TEX0, 3, &ctx->EvalMap.Map2Texture3 ); - else if (ctx->Eval.Map2TextureCoord2) - set_active_eval2( tnl, VERT_ATTRIB_TEX0, 2, &ctx->EvalMap.Map2Texture2 ); - else if (ctx->Eval.Map2TextureCoord1) - set_active_eval2( tnl, VERT_ATTRIB_TEX0, 1, &ctx->EvalMap.Map2Texture1 ); - - if (ctx->Eval.Map1Normal) - set_active_eval1( tnl, VERT_ATTRIB_NORMAL, 3, &ctx->EvalMap.Map1Normal ); - - if (ctx->Eval.Map2Normal) - set_active_eval2( tnl, VERT_ATTRIB_NORMAL, 3, &ctx->EvalMap.Map2Normal ); - - if (ctx->Eval.Map1Vertex4) - set_active_eval1( tnl, VERT_ATTRIB_POS, 4, &ctx->EvalMap.Map1Vertex4 ); - else if (ctx->Eval.Map1Vertex3) - set_active_eval1( tnl, VERT_ATTRIB_POS, 3, &ctx->EvalMap.Map1Vertex3 ); - - if (ctx->Eval.Map2Vertex4) - set_active_eval2( tnl, VERT_ATTRIB_POS, 4, &ctx->EvalMap.Map2Vertex4 ); - else if (ctx->Eval.Map2Vertex3) - set_active_eval2( tnl, VERT_ATTRIB_POS, 3, &ctx->EvalMap.Map2Vertex3 ); - - /* Evaluators with generic attributes is only supported for NV vertex - * programs, not ARB vertex programs. 16 evaluator maps are supported. - * We do this after the conventional attributes since the spec says that - * these generic maps have higher priority. - */ - if (ctx->VertexProgram._Current && - ctx->VertexProgram._Current->IsNVProgram) { - for (attr = 0; attr < 16; attr++) { - if (ctx->Eval.Map1Attrib[attr]) - set_active_eval1( tnl, attr, 4, &ctx->EvalMap.Map1Attrib[attr] ); - - if (ctx->Eval.Map2Attrib[attr]) - set_active_eval2( tnl, attr, 4, &ctx->EvalMap.Map2Attrib[attr] ); - } - } - - tnl->vtx.eval.new_state = 0; -} - - - -void _tnl_do_EvalCoord1f(GLcontext* ctx, GLfloat u) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - GLuint attr; - - for (attr = 1; attr < _TNL_NUM_EVAL; attr++) { - struct gl_1d_map *map = tnl->vtx.eval.map1[attr].map; - if (map) { - GLfloat uu = (u - map->u1) * map->du; - GLfloat data[4]; - - ASSIGN_4V(data, 0, 0, 0, 1); - - _math_horner_bezier_curve(map->Points, data, uu, - tnl->vtx.eval.map1[attr].sz, - map->Order); - - COPY_SZ_4V( tnl->vtx.attrptr[attr], - tnl->vtx.attrsz[attr], - data ); - } - } - - /** Vertex -- EvalCoord1f is a noop if this map not enabled: - **/ - if (tnl->vtx.eval.map1[0].map) { - struct gl_1d_map *map = tnl->vtx.eval.map1[0].map; - GLfloat uu = (u - map->u1) * map->du; - GLfloat vertex[4]; - - ASSIGN_4V(vertex, 0, 0, 0, 1); - - _math_horner_bezier_curve(map->Points, vertex, uu, - tnl->vtx.eval.map1[0].sz, - map->Order); - - if (tnl->vtx.eval.map1[0].sz == 4) - CALL_Vertex4fv(GET_DISPATCH(), ( vertex )); - else - CALL_Vertex3fv(GET_DISPATCH(), ( vertex )); - } -} - - - -void _tnl_do_EvalCoord2f( GLcontext* ctx, GLfloat u, GLfloat v ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - GLuint attr; - - for (attr = 1; attr < _TNL_NUM_EVAL; attr++) { - struct gl_2d_map *map = tnl->vtx.eval.map2[attr].map; - if (map) { - GLfloat uu = (u - map->u1) * map->du; - GLfloat vv = (v - map->v1) * map->dv; - GLfloat data[4]; - - ASSIGN_4V(data, 0, 0, 0, 1); - - _math_horner_bezier_surf(map->Points, - data, - uu, vv, - tnl->vtx.eval.map2[attr].sz, - map->Uorder, map->Vorder); - - COPY_SZ_4V( tnl->vtx.attrptr[attr], - tnl->vtx.attrsz[attr], - data ); - } - } - - /** Vertex -- EvalCoord2f is a noop if this map not enabled: - **/ - if (tnl->vtx.eval.map2[0].map) { - struct gl_2d_map *map = tnl->vtx.eval.map2[0].map; - GLfloat uu = (u - map->u1) * map->du; - GLfloat vv = (v - map->v1) * map->dv; - GLfloat vertex[4]; - - ASSIGN_4V(vertex, 0, 0, 0, 1); - - if (ctx->Eval.AutoNormal) { - GLfloat normal[4]; - GLfloat du[4], dv[4]; - - _math_de_casteljau_surf(map->Points, vertex, du, dv, uu, vv, - tnl->vtx.eval.map2[0].sz, - map->Uorder, map->Vorder); - - if (tnl->vtx.eval.map2[0].sz == 4) { - du[0] = du[0]*vertex[3] - du[3]*vertex[0]; - du[1] = du[1]*vertex[3] - du[3]*vertex[1]; - du[2] = du[2]*vertex[3] - du[3]*vertex[2]; - - dv[0] = dv[0]*vertex[3] - dv[3]*vertex[0]; - dv[1] = dv[1]*vertex[3] - dv[3]*vertex[1]; - dv[2] = dv[2]*vertex[3] - dv[3]*vertex[2]; - } - - - CROSS3(normal, du, dv); - NORMALIZE_3FV(normal); - normal[3] = 1.0; - - COPY_SZ_4V( tnl->vtx.attrptr[_TNL_ATTRIB_NORMAL], - tnl->vtx.attrsz[_TNL_ATTRIB_NORMAL], - normal ); - - } - else { - _math_horner_bezier_surf(map->Points, vertex, uu, vv, - tnl->vtx.eval.map2[0].sz, - map->Uorder, map->Vorder); - } - - if (tnl->vtx.attrsz[0] == 4) - CALL_Vertex4fv(GET_DISPATCH(), ( vertex )); - else - CALL_Vertex3fv(GET_DISPATCH(), ( vertex )); - } -} - - |