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Diffstat (limited to 'source/blender/render/intern/source/envmap.c')
| -rw-r--r-- | source/blender/render/intern/source/envmap.c | 819 |
1 files changed, 0 insertions, 819 deletions
diff --git a/source/blender/render/intern/source/envmap.c b/source/blender/render/intern/source/envmap.c deleted file mode 100644 index a5f914b5ca1..00000000000 --- a/source/blender/render/intern/source/envmap.c +++ /dev/null @@ -1,819 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. - * All rights reserved. - * - * Contributors: 2004/2005/2006 Blender Foundation, full recode - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file blender/render/intern/source/envmap.c - * \ingroup render - */ - -#include <math.h> -#include <string.h> - -/* external modules: */ - -#include "BLI_math.h" -#include "BLI_blenlib.h" -#include "BLI_threads.h" -#include "BLI_utildefines.h" - -#include "BLT_translation.h" - -#include "IMB_imbuf_types.h" -#include "IMB_imbuf.h" /* for rectcpy */ - -#include "DNA_group_types.h" -#include "DNA_image_types.h" -#include "DNA_lamp_types.h" -#include "DNA_object_types.h" -#include "DNA_scene_types.h" -#include "DNA_texture_types.h" - -#include "BKE_main.h" -#include "BKE_image.h" /* BKE_imbuf_write */ -#include "BKE_layer.h" -#include "BKE_texture.h" -#include "BKE_scene.h" - -/* this module */ -#include "render_types.h" -#include "envmap.h" -#include "renderdatabase.h" -#include "renderpipeline.h" -#include "texture.h" -#include "zbuf.h" -#include "render_result.h" - -/* ------------------------------------------------------------------------- */ - -static void envmap_split_ima(EnvMap *env, ImBuf *ibuf) -{ - int dx, part; - - /* after lock we test cube[1], if set the other thread has done it fine */ - BLI_thread_lock(LOCK_IMAGE); - if (env->cube[1] == NULL) { - - BKE_texture_envmap_free_data(env); - - dx = ibuf->y; - dx /= 2; - if (3 * dx == ibuf->x) { - env->type = ENV_CUBE; - env->ok = ENV_OSA; - } - else if (ibuf->x == ibuf->y) { - env->type = ENV_PLANE; - env->ok = ENV_OSA; - } - else { - printf("Incorrect envmap size\n"); - env->ok = 0; - env->ima->ok = 0; - } - - if (env->ok) { - if (env->type == ENV_CUBE) { - for (part = 0; part < 6; part++) { - env->cube[part] = IMB_allocImBuf(dx, dx, 24, IB_rect | IB_rectfloat); - } - IMB_float_from_rect(ibuf); - - IMB_rectcpy(env->cube[0], ibuf, - 0, 0, 0, 0, dx, dx); - IMB_rectcpy(env->cube[1], ibuf, - 0, 0, dx, 0, dx, dx); - IMB_rectcpy(env->cube[2], ibuf, - 0, 0, 2 * dx, 0, dx, dx); - IMB_rectcpy(env->cube[3], ibuf, - 0, 0, 0, dx, dx, dx); - IMB_rectcpy(env->cube[4], ibuf, - 0, 0, dx, dx, dx, dx); - IMB_rectcpy(env->cube[5], ibuf, - 0, 0, 2 * dx, dx, dx, dx); - - } - else { /* ENV_PLANE */ - env->cube[1] = IMB_dupImBuf(ibuf); - IMB_float_from_rect(env->cube[1]); - } - } - } - BLI_thread_unlock(LOCK_IMAGE); -} - -/* ------------------------------------------------------------------------- */ -/* ****************** RENDER ********************** */ - -/* copy current render */ -static Render *envmap_render_copy(Render *re, EnvMap *env) -{ - Render *envre; - float viewscale; - int cuberes; - - envre = RE_NewRender("Envmap"); - - env->lastsize = re->r.size; - cuberes = (env->cuberes * re->r.size) / 100; - cuberes &= 0xFFFC; - - /* this flag has R_ZTRA in it for example */ - envre->flag = re->flag; - - /* set up renderdata */ - envre->r.mode &= ~(R_BORDER | R_PANORAMA | R_ORTHO | R_MBLUR); - BLI_freelistN(&envre->view_layers); - BLI_freelistN(&envre->r.views); - envre->r.filtertype = 0; - envre->r.tilex = envre->r.xsch / 2; - envre->r.tiley = envre->r.ysch / 2; - envre->r.size = 100; - envre->r.yasp = envre->r.xasp = 1; - - RE_InitState(envre, NULL, &envre->r, &re->view_layers, re->active_view_layer, NULL, cuberes, cuberes, NULL); - envre->main = re->main; - envre->scene = re->scene; /* unsure about this... */ - envre->scene_color_manage = re->scene_color_manage; - envre->lay = re->lay; - - /* view stuff in env render */ - viewscale = (env->type == ENV_PLANE) ? env->viewscale : 1.0f; - RE_SetEnvmapCamera(envre, env->object, viewscale, env->clipsta, env->clipend); - copy_m4_m4(envre->viewmat_orig, re->viewmat_orig); - - /* callbacks */ - envre->display_update = re->display_update; - envre->duh = re->duh; - envre->test_break = re->test_break; - envre->tbh = re->tbh; - envre->current_scene_update = re->current_scene_update; - envre->suh = re->suh; - - /* and for the evil stuff; copy the database... */ - envre->totvlak = re->totvlak; - envre->totvert = re->totvert; - envre->tothalo = re->tothalo; - envre->totstrand = re->totstrand; - envre->totlamp = re->totlamp; - envre->sortedhalos = re->sortedhalos; - envre->lights = re->lights; - envre->objecttable = re->objecttable; - envre->customdata_names = re->customdata_names; - envre->raytree = re->raytree; - envre->totinstance = re->totinstance; - envre->instancetable = re->instancetable; - envre->objectinstance = re->objectinstance; - envre->qmcsamplers = re->qmcsamplers; - - return envre; -} - -static void envmap_free_render_copy(Render *envre) -{ - - envre->totvlak = 0; - envre->totvert = 0; - envre->tothalo = 0; - envre->totstrand = 0; - envre->totlamp = 0; - envre->totinstance = 0; - envre->sortedhalos = NULL; - BLI_listbase_clear(&envre->lights); - BLI_listbase_clear(&envre->objecttable); - BLI_listbase_clear(&envre->customdata_names); - envre->raytree = NULL; - BLI_listbase_clear(&envre->instancetable); - envre->objectinstance = NULL; - envre->qmcsamplers = NULL; - - RE_FreeRender(envre); -} - -/* ------------------------------------------------------------------------- */ - -static void envmap_transmatrix(float mat[4][4], int part) -{ - float tmat[4][4], eul[3], rotmat[4][4]; - - eul[0] = eul[1] = eul[2] = 0.0; - - if (part == 0) { /* neg z */ - /* pass */ - } - else if (part == 1) { /* pos z */ - eul[0] = M_PI; - } - else if (part == 2) { /* pos y */ - eul[0] = M_PI / 2.0; - } - else if (part == 3) { /* neg x */ - eul[0] = M_PI / 2.0; - eul[2] = M_PI / 2.0; - } - else if (part == 4) { /* neg y */ - eul[0] = M_PI / 2.0; - eul[2] = M_PI; - } - else { /* pos x */ - eul[0] = M_PI / 2.0; - eul[2] = -M_PI / 2.0; - } - - copy_m4_m4(tmat, mat); - eul_to_mat4(rotmat, eul); - mul_m4_m4m4(mat, tmat, rotmat); -} -/* ------------------------------------------------------------------------- */ - -static void env_set_imats(Render *re) -{ - float mat[4][4]; - - FOREACH_SCENE_OBJECT_BEGIN(re->scene, ob) - { - mul_m4_m4m4(mat, re->viewmat, ob->obmat); - invert_m4_m4(ob->imat, mat); - } - FOREACH_SCENE_OBJECT_END; -} - -/* ------------------------------------------------------------------------- */ - -void env_rotate_scene(Render *re, float mat[4][4], int do_rotate) -{ - ObjectRen *obr; - ObjectInstanceRen *obi; - LampRen *lar = NULL; - HaloRen *har = NULL; - float imat[3][3], mat_inverse[4][4], smat[4][4], tmat[4][4], cmat[3][3], tmpmat[4][4]; - int a; - - if (do_rotate == 0) { - invert_m4_m4(tmat, mat); - copy_m3_m4(imat, tmat); - - copy_m4_m4(mat_inverse, mat); - } - else { - copy_m4_m4(tmat, mat); - copy_m3_m4(imat, mat); - - invert_m4_m4(mat_inverse, tmat); - } - - for (obi = re->instancetable.first; obi; obi = obi->next) { - /* append or set matrix depending on dupli */ - if (obi->flag & R_DUPLI_TRANSFORMED) { - copy_m4_m4(tmpmat, obi->mat); - mul_m4_m4m4(obi->mat, tmat, tmpmat); - } - else if (do_rotate == 1) - copy_m4_m4(obi->mat, tmat); - else - unit_m4(obi->mat); - - copy_m3_m4(cmat, obi->mat); - invert_m3_m3(obi->nmat, cmat); - transpose_m3(obi->nmat); - - /* indicate the renderer has to use transform matrices */ - if (do_rotate == 0) - obi->flag &= ~R_ENV_TRANSFORMED; - else { - obi->flag |= R_ENV_TRANSFORMED; - copy_m4_m4(obi->imat, mat_inverse); - } - } - - - for (obr = re->objecttable.first; obr; obr = obr->next) { - for (a = 0; a < obr->tothalo; a++) { - if ((a & 255) == 0) har = obr->bloha[a >> 8]; - else har++; - - mul_m4_v3(tmat, har->co); - } - - /* imat_ren is needed for correct texture coordinates */ - mul_m4_m4m4(obr->ob->imat_ren, re->viewmat, obr->ob->obmat); - invert_m4(obr->ob->imat_ren); - } - - for (lar = re->lampren.first; lar; lar = lar->next) { - float lamp_imat[4][4]; - - /* copy from add_render_lamp */ - if (do_rotate == 1) - mul_m4_m4m4(tmpmat, re->viewmat, lar->lampmat); - else - mul_m4_m4m4(tmpmat, re->viewmat_orig, lar->lampmat); - - invert_m4_m4(lamp_imat, tmpmat); - copy_m3_m4(lar->mat, tmpmat); - copy_m3_m4(lar->imat, lamp_imat); - - lar->vec[0]= -tmpmat[2][0]; - lar->vec[1]= -tmpmat[2][1]; - lar->vec[2]= -tmpmat[2][2]; - normalize_v3(lar->vec); - lar->co[0]= tmpmat[3][0]; - lar->co[1]= tmpmat[3][1]; - lar->co[2]= tmpmat[3][2]; - - if (lar->type == LA_AREA) { - area_lamp_vectors(lar); - } - else if (lar->type == LA_SPOT) { - normalize_v3(lar->imat[0]); - normalize_v3(lar->imat[1]); - normalize_v3(lar->imat[2]); - - lar->sh_invcampos[0] = -lar->co[0]; - lar->sh_invcampos[1] = -lar->co[1]; - lar->sh_invcampos[2] = -lar->co[2]; - mul_m3_v3(lar->imat, lar->sh_invcampos); - lar->sh_invcampos[2] *= lar->sh_zfac; - - if (lar->shb) { - if (do_rotate == 1) { - mul_m4_m4m4(smat, lar->shb->viewmat, mat_inverse); - mul_m4_m4m4(lar->shb->persmat, lar->shb->winmat, smat); - } - else mul_m4_m4m4(lar->shb->persmat, lar->shb->winmat, lar->shb->viewmat); - } - } - } - - if (do_rotate) { - init_render_world(re); - env_set_imats(re); - } -} - -/* ------------------------------------------------------------------------- */ - -static void env_layerflags(Render *re, unsigned int notlay) -{ - ObjectRen *obr; - VlakRen *vlr = NULL; - int a; - - /* invert notlay, so if face is in multiple layers it will still be visible, - * unless all 'notlay' bits match the face bits. - * face: 0110 - * not: 0100 - * ~not: 1011 - * now (face & ~not) is true - */ - - notlay = ~notlay; - - for (obr = re->objecttable.first; obr; obr = obr->next) { - if ((obr->lay & notlay) == 0) { - for (a = 0; a < obr->totvlak; a++) { - if ((a & 255) == 0) vlr = obr->vlaknodes[a >> 8].vlak; - else vlr++; - - vlr->flag |= R_HIDDEN; - } - } - } -} - -static void env_hideobject(Render *re, Object *ob) -{ - ObjectRen *obr; - VlakRen *vlr = NULL; - int a; - - for (obr = re->objecttable.first; obr; obr = obr->next) { - for (a = 0; a < obr->totvlak; a++) { - if ((a & 255) == 0) vlr = obr->vlaknodes[a >> 8].vlak; - else vlr++; - - if (obr->ob == ob) - vlr->flag |= R_HIDDEN; - } - } -} - -static void env_showobjects(Render *re) -{ - ObjectRen *obr; - VlakRen *vlr = NULL; - int a; - - for (obr = re->objecttable.first; obr; obr = obr->next) { - for (a = 0; a < obr->totvlak; a++) { - if ((a & 255) == 0) vlr = obr->vlaknodes[a >> 8].vlak; - else vlr++; - - vlr->flag &= ~R_HIDDEN; - } - } -} - -/* ------------------------------------------------------------------------- */ - -static void render_envmap(Render *re, EnvMap *env) -{ - /* only the cubemap and planar map is implemented */ - Render *envre; - ImBuf *ibuf; - float orthmat[4][4]; - float oldviewinv[4][4], mat[4][4], tmat[4][4]; - short part; - - /* need a recalc: ortho-render has no correct viewinv */ - invert_m4_m4(oldviewinv, re->viewmat); - - envre = envmap_render_copy(re, env); - - /* precalc orthmat for object */ - copy_m4_m4(orthmat, env->object->obmat); - normalize_m4(orthmat); - - /* need imat later for texture imat */ - mul_m4_m4m4(mat, re->viewmat, orthmat); - invert_m4_m4(tmat, mat); - copy_m3_m4(env->obimat, tmat); - - for (part = 0; part < 6; part++) { - if (env->type == ENV_PLANE && part != 1) - continue; - - re->display_clear(re->dch, envre->result); - - copy_m4_m4(tmat, orthmat); - envmap_transmatrix(tmat, part); - invert_m4_m4(mat, tmat); - /* mat now is the camera 'viewmat' */ - - copy_m4_m4(envre->viewmat, mat); - copy_m4_m4(envre->viewinv, tmat); - - /* we have to correct for the already rotated vertexcoords */ - mul_m4_m4m4(tmat, envre->viewmat, oldviewinv); - invert_m4_m4(env->imat, tmat); - - env_rotate_scene(envre, tmat, 1); - project_renderdata(envre, projectverto, 0, 0, 1); - env_layerflags(envre, env->notlay); - env_hideobject(envre, env->object); - - if (re->test_break(re->tbh) == 0) { - RE_TileProcessor(envre); - } - - /* rotate back */ - env_showobjects(envre); - env_rotate_scene(envre, tmat, 0); - - if (re->test_break(re->tbh) == 0) { - int y; - float *alpha; - float *rect; - - if (envre->result->do_exr_tile) { - BLI_rw_mutex_lock(&envre->resultmutex, THREAD_LOCK_WRITE); - render_result_exr_file_end(envre); - BLI_rw_mutex_unlock(&envre->resultmutex); - } - - RenderLayer *rl = envre->result->layers.first; - - /* envmap is rendered independently of multiview */ - rect = RE_RenderLayerGetPass(rl, RE_PASSNAME_COMBINED, ""); - ibuf = IMB_allocImBuf(envre->rectx, envre->recty, 24, IB_rect | IB_rectfloat); - memcpy(ibuf->rect_float, rect, ibuf->channels * ibuf->x * ibuf->y * sizeof(float)); - - /* envmap renders without alpha */ - alpha = ibuf->rect_float + 3; - for (y = ibuf->x * ibuf->y - 1; y >= 0; y--, alpha += 4) - *alpha = 1.0; - - env->cube[part] = ibuf; - } - - if (re->test_break(re->tbh)) break; - - } - - if (re->test_break(re->tbh)) BKE_texture_envmap_free_data(env); - else { - if (envre->r.mode & R_OSA) env->ok = ENV_OSA; - else env->ok = ENV_NORMAL; - env->lastframe = re->scene->r.cfra; - } - - /* restore */ - envmap_free_render_copy(envre); - env_set_imats(re); - -} - -/* ------------------------------------------------------------------------- */ - -void make_envmaps(Render *re) -{ - Tex *tex; - bool do_init = false; - int depth = 0, trace; - - if (!(re->r.mode & R_ENVMAP)) return; - - /* we don't raytrace, disabling the flag will cause ray_transp render solid */ - trace = (re->r.mode & R_RAYTRACE); - re->r.mode &= ~R_RAYTRACE; - - re->i.infostr = IFACE_("Creating Environment maps"); - re->stats_draw(re->sdh, &re->i); - - /* 5 = hardcoded max recursion level */ - while (depth < 5) { - tex = re->main->tex.first; - while (tex) { - if (tex->id.us && tex->type == TEX_ENVMAP) { - if (tex->env && tex->env->object) { - EnvMap *env = tex->env; - - if (env->object->lay & re->lay) { - if (env->stype == ENV_LOAD) { - float orthmat[4][4], mat[4][4], tmat[4][4]; - - /* precalc orthmat for object */ - copy_m4_m4(orthmat, env->object->obmat); - normalize_m4(orthmat); - - /* need imat later for texture imat */ - mul_m4_m4m4(mat, re->viewmat, orthmat); - invert_m4_m4(tmat, mat); - copy_m3_m4(env->obimat, tmat); - } - else { - - /* decide if to render an envmap (again) */ - if (env->depth >= depth) { - - /* set 'recalc' to make sure it does an entire loop of recalcs */ - - if (env->ok) { - /* free when OSA, and old one isn't OSA */ - if ((re->r.mode & R_OSA) && env->ok == ENV_NORMAL) - BKE_texture_envmap_free_data(env); - /* free when size larger */ - else if (env->lastsize < re->r.size) - BKE_texture_envmap_free_data(env); - /* free when env is in recalcmode */ - else if (env->recalc) - BKE_texture_envmap_free_data(env); - } - - if (env->ok == 0 && depth == 0) env->recalc = 1; - - if (env->ok == 0) { - do_init = true; - render_envmap(re, env); - - if (depth == env->depth) env->recalc = 0; - } - } - } - } - } - } - tex = tex->id.next; - } - depth++; - } - - if (do_init) { - re->display_init(re->dih, re->result); - re->display_clear(re->dch, re->result); - // re->flag |= R_REDRAW_PRV; - } - /* restore */ - re->r.mode |= trace; - -} - -/* ------------------------------------------------------------------------- */ - -static int envcube_isect(EnvMap *env, const float vec[3], float answ[2]) -{ - float lambda; - int face; - - if (env->type == ENV_PLANE) { - face = 1; - - lambda = 1.0f / vec[2]; - answ[0] = env->viewscale * lambda * vec[0]; - answ[1] = -env->viewscale * lambda * vec[1]; - } - else { - /* which face */ - if (vec[2] <= -fabsf(vec[0]) && vec[2] <= -fabsf(vec[1]) ) { - face = 0; - lambda = -1.0f / vec[2]; - answ[0] = lambda * vec[0]; - answ[1] = lambda * vec[1]; - } - else if (vec[2] >= fabsf(vec[0]) && vec[2] >= fabsf(vec[1])) { - face = 1; - lambda = 1.0f / vec[2]; - answ[0] = lambda * vec[0]; - answ[1] = -lambda * vec[1]; - } - else if (vec[1] >= fabsf(vec[0])) { - face = 2; - lambda = 1.0f / vec[1]; - answ[0] = lambda * vec[0]; - answ[1] = lambda * vec[2]; - } - else if (vec[0] <= -fabsf(vec[1])) { - face = 3; - lambda = -1.0f / vec[0]; - answ[0] = lambda * vec[1]; - answ[1] = lambda * vec[2]; - } - else if (vec[1] <= -fabsf(vec[0])) { - face = 4; - lambda = -1.0f / vec[1]; - answ[0] = -lambda * vec[0]; - answ[1] = lambda * vec[2]; - } - else { - face = 5; - lambda = 1.0f / vec[0]; - answ[0] = -lambda * vec[1]; - answ[1] = lambda * vec[2]; - } - } - - answ[0] = 0.5f + 0.5f * answ[0]; - answ[1] = 0.5f + 0.5f * answ[1]; - return face; -} - -/* ------------------------------------------------------------------------- */ - -static void set_dxtdyt(float r_dxt[3], float r_dyt[3], const float dxt[3], const float dyt[3], int face) -{ - if (face == 2 || face == 4) { - r_dxt[0] = dxt[0]; - r_dyt[0] = dyt[0]; - r_dxt[1] = dxt[2]; - r_dyt[1] = dyt[2]; - } - else if (face == 3 || face == 5) { - r_dxt[0] = dxt[1]; - r_dxt[1] = dxt[2]; - r_dyt[0] = dyt[1]; - r_dyt[1] = dyt[2]; - } - else { - r_dxt[0] = dxt[0]; - r_dyt[0] = dyt[0]; - r_dxt[1] = dxt[1]; - r_dyt[1] = dyt[1]; - } -} - -/* ------------------------------------------------------------------------- */ - -int envmaptex(Tex *tex, const float texvec[3], float dxt[3], float dyt[3], int osatex, TexResult *texres, struct ImagePool *pool, const bool skip_load_image) -{ - extern Render R; /* only in this call */ - /* texvec should be the already reflected normal */ - EnvMap *env; - ImBuf *ibuf; - float fac, vec[3], sco[3], dxts[3], dyts[3]; - int face, face1; - - env = tex->env; - if (env == NULL || (env->stype != ENV_LOAD && env->object == NULL)) { - texres->tin = 0.0; - return 0; - } - - if (env->stype == ENV_LOAD) { - env->ima = tex->ima; - if (env->ima && env->ima->ok) { - if (env->cube[1] == NULL) { - ImBuf *ibuf_ima = BKE_image_pool_acquire_ibuf(env->ima, NULL, pool); - if (ibuf_ima) - envmap_split_ima(env, ibuf_ima); - else - env->ok = 0; - - if (env->type == ENV_PLANE) - tex->extend = TEX_EXTEND; - - BKE_image_pool_release_ibuf(env->ima, ibuf_ima, pool); - } - } - } - - if (env->ok == 0) { - texres->tin = 0.0; - return 0; - } - - /* rotate to envmap space, if object is set */ - copy_v3_v3(vec, texvec); - if (env->object) { - mul_m3_v3(env->obimat, vec); - if (osatex) { - mul_m3_v3(env->obimat, dxt); - mul_m3_v3(env->obimat, dyt); - } - } - else { - if (!BKE_scene_use_world_space_shading(R.scene)) { - // texvec is in view space - mul_mat3_m4_v3(R.viewinv, vec); - if (osatex) { - mul_mat3_m4_v3(R.viewinv, dxt); - mul_mat3_m4_v3(R.viewinv, dyt); - } - } - } - - face = envcube_isect(env, vec, sco); - ibuf = env->cube[face]; - - if (osatex) { - set_dxtdyt(dxts, dyts, dxt, dyt, face); - imagewraposa(tex, NULL, ibuf, sco, dxts, dyts, texres, pool, skip_load_image); - - /* edges? */ - - if (texres->ta < 1.0f) { - TexResult texr1, texr2; - - texr1.nor = texr2.nor = NULL; - texr1.talpha = texr2.talpha = texres->talpha; /* boxclip expects this initialized */ - - add_v3_v3(vec, dxt); - face1 = envcube_isect(env, vec, sco); - sub_v3_v3(vec, dxt); - - if (face != face1) { - ibuf = env->cube[face1]; - set_dxtdyt(dxts, dyts, dxt, dyt, face1); - imagewraposa(tex, NULL, ibuf, sco, dxts, dyts, &texr1, pool, skip_load_image); - } - else texr1.tr = texr1.tg = texr1.tb = texr1.ta = 0.0; - - /* here was the nasty bug! results were not zero-ed. FPE! */ - - add_v3_v3(vec, dyt); - face1 = envcube_isect(env, vec, sco); - sub_v3_v3(vec, dyt); - - if (face != face1) { - ibuf = env->cube[face1]; - set_dxtdyt(dxts, dyts, dxt, dyt, face1); - imagewraposa(tex, NULL, ibuf, sco, dxts, dyts, &texr2, pool, skip_load_image); - } - else texr2.tr = texr2.tg = texr2.tb = texr2.ta = 0.0; - - fac = (texres->ta + texr1.ta + texr2.ta); - if (fac != 0.0f) { - fac = 1.0f / fac; - - texres->tr = fac * (texres->ta * texres->tr + texr1.ta * texr1.tr + texr2.ta * texr2.tr); - texres->tg = fac * (texres->ta * texres->tg + texr1.ta * texr1.tg + texr2.ta * texr2.tg); - texres->tb = fac * (texres->ta * texres->tb + texr1.ta * texr1.tb + texr2.ta * texr2.tb); - } - texres->ta = 1.0; - } - } - else { - imagewrap(tex, NULL, ibuf, sco, texres, pool, skip_load_image); - } - - return 1; -} |