static void tex_mat_set_material_cb(void *UNUSED(userData), int mat_nr, void *attribs)
{
/* all we have to do here is simply enable the GLSL material, but note
* that the GLSL code will give different result depending on the drawtype,
* in texture draw mode it will output the active texture node, in material
* draw mode it will show the full material. */
GPU_enable_material(mat_nr, attribs);
}
/* Vertex Paint and Weight Paint */
static void draw_mesh_paint_light_begin(void)
{
const float spec[4] = {0.47f, 0.47f, 0.47f, 0.47f};
GPU_enable_material(0, NULL);
/* but set default spec */
glColorMaterial(GL_FRONT_AND_BACK, GL_SPECULAR);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, spec);
/* diffuse */
glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
glEnable(GL_LIGHTING);
glEnable(GL_COLOR_MATERIAL);
}
void draw_mesh_paint(View3D *v3d, RegionView3D *rv3d,
Object *ob, DerivedMesh *dm, const int draw_flags)
{
DMSetDrawOptions facemask = NULL;
Mesh *me = ob->data;
const bool use_light = (v3d->drawtype >= OB_SOLID);
/* hide faces in face select mode */
if (me->editflag & (ME_EDIT_PAINT_VERT_SEL | ME_EDIT_PAINT_FACE_SEL))
facemask = wpaint__setSolidDrawOptions_facemask;
if (ob->mode & OB_MODE_WEIGHT_PAINT) {
if (use_light) {
GPU_enable_material(0, NULL);
}
draw_mesh_paint_weight_faces(dm, use_light, facemask, me);
}
else if (ob->mode & OB_MODE_VERTEX_PAINT) {
if (me->mloopcol) {
dm->drawMappedFaces(dm, facemask, GPU_enable_material, NULL, me,
DM_DRAW_USE_COLORS | DM_DRAW_ALWAYS_SMOOTH);
}
else {
glColor3f(1.0f, 1.0f, 1.0f);
dm->drawMappedFaces(dm, facemask, GPU_enable_material, NULL, me,
DM_DRAW_ALWAYS_SMOOTH);
}
}
/* draw face selection on top */
if (draw_flags & DRAW_FACE_SELECT) {
draw_mesh_face_select(rv3d, me, dm);
}
else if ((use_light == false) || (ob->dtx & OB_DRAWWIRE)) {
const bool use_depth = (v3d->flag & V3D_ZBUF_SELECT) || !(ob->mode & OB_MODE_WEIGHT_PAINT);
draw_mesh_paint_weight_edges(rv3d, dm, use_depth, NULL, NULL);
}
}
static void tex_mat_set_texture_cb(void *userData, int mat_nr, void *attribs)
{
/* texture draw mode without GLSL */
TexMatCallback *data = (TexMatCallback *)userData;
GPUVertexAttribs *gattribs = attribs;
Image *ima;
ImageUser *iuser;
bNode *node;
int texture_set = 0;
/* draw image texture if we find one */
if (ED_object_get_active_image(data->ob, mat_nr, &ima, &iuser, &node)) {
/* get openl texture */
int mipmap = 1;
int bindcode = (ima) ? GPU_verify_image(ima, iuser, 0, 0, mipmap, false) : 0;
float zero[4] = {0.0f, 0.0f, 0.0f, 0.0f};
if (bindcode) {
NodeTexBase *texbase = node->storage;
/* disable existing material */
GPU_disable_material();
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, zero);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, zero);
glMateriali(GL_FRONT_AND_BACK, GL_SHININESS, 0);
/* bind texture */
glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
glEnable(GL_COLOR_MATERIAL);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, ima->bindcode);
glColor3f(1.0f, 1.0f, 1.0f);
glMatrixMode(GL_TEXTURE);
glLoadMatrixf(texbase->tex_mapping.mat);
glMatrixMode(GL_MODELVIEW);
/* use active UV texture layer */
memset(gattribs, 0, sizeof(*gattribs));
gattribs->layer[0].type = CD_MTFACE;
gattribs->layer[0].name[0] = '\0';
gattribs->layer[0].gltexco = 1;
gattribs->totlayer = 1;
texture_set = 1;
}
}
if (!texture_set) {
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
/* disable texture */
glDisable(GL_TEXTURE_2D);
glDisable(GL_COLOR_MATERIAL);
/* draw single color */
GPU_enable_material(mat_nr, attribs);
}
}
static void draw_mesh_text(Scene *scene, Object *ob, int glsl)
{
Mesh *me = ob->data;
DerivedMesh *ddm;
MPoly *mp, *mface = me->mpoly;
MTexPoly *mtpoly = me->mtpoly;
MLoopUV *mloopuv = me->mloopuv;
MLoopUV *luv;
MLoopCol *mloopcol = me->mloopcol; /* why does mcol exist? */
MLoopCol *lcol;
bProperty *prop = BKE_bproperty_object_get(ob, "Text");
GPUVertexAttribs gattribs;
int a, totpoly = me->totpoly;
/* fake values to pass to GPU_render_text() */
MCol tmp_mcol[4] = {{0}};
MCol *tmp_mcol_pt = mloopcol ? tmp_mcol : NULL;
MTFace tmp_tf = {{{0}}};
/* don't draw without tfaces */
if (!mtpoly || !mloopuv)
return;
/* don't draw when editing */
if (ob->mode & OB_MODE_EDIT)
return;
else if (ob == OBACT)
if (BKE_paint_select_elem_test(ob))
return;
ddm = mesh_get_derived_deform(scene, ob, CD_MASK_BAREMESH);
for (a = 0, mp = mface; a < totpoly; a++, mtpoly++, mp++) {
short matnr = mp->mat_nr;
int mf_smooth = mp->flag & ME_SMOOTH;
Material *mat = (me->mat) ? me->mat[matnr] : NULL;
int mode = mat ? mat->game.flag : GEMAT_INVISIBLE;
if (!(mode & GEMAT_INVISIBLE) && (mode & GEMAT_TEXT) && mp->totloop >= 3) {
/* get the polygon as a tri/quad */
int mp_vi[4];
float v1[3], v2[3], v3[3], v4[3];
char string[MAX_PROPSTRING];
int characters, i, glattrib = -1, badtex = 0;
/* TEXFACE */
ME_MTEXFACE_CPY(&tmp_tf, mtpoly);
if (glsl) {
GPU_enable_material(matnr + 1, &gattribs);
for (i = 0; i < gattribs.totlayer; i++) {
if (gattribs.layer[i].type == CD_MTFACE) {
glattrib = gattribs.layer[i].glindex;
break;
}
}
}
else {
badtex = set_draw_settings_cached(0, &tmp_tf, mat, Gtexdraw);
if (badtex) {
continue;
}
}
mp_vi[0] = me->mloop[mp->loopstart + 0].v;
mp_vi[1] = me->mloop[mp->loopstart + 1].v;
mp_vi[2] = me->mloop[mp->loopstart + 2].v;
mp_vi[3] = (mp->totloop >= 4) ? me->mloop[mp->loopstart + 3].v : 0;
/* UV */
luv = &mloopuv[mp->loopstart];
copy_v2_v2(tmp_tf.uv[0], luv->uv); luv++;
copy_v2_v2(tmp_tf.uv[1], luv->uv); luv++;
copy_v2_v2(tmp_tf.uv[2], luv->uv); luv++;
if (mp->totloop >= 4) {
copy_v2_v2(tmp_tf.uv[3], luv->uv);
}
/* COLOR */
if (mloopcol) {
unsigned int totloop_clamp = min_ii(4, mp->totloop);
unsigned int j;
lcol = &mloopcol[mp->loopstart];
for (j = 0; j < totloop_clamp; j++, lcol++) {
MESH_MLOOPCOL_TO_MCOL(lcol, &tmp_mcol[j]);
}
}
/* LOCATION */
ddm->getVertCo(ddm, mp_vi[0], v1);
ddm->getVertCo(ddm, mp_vi[1], v2);
ddm->getVertCo(ddm, mp_vi[2], v3);
if (mp->totloop >= 4) {
ddm->getVertCo(ddm, mp_vi[3], v4);
}
/* The BM_FONT handling is in the gpu module, shared with the
* game engine, was duplicated previously */
BKE_bproperty_set_valstr(prop, string);
characters = strlen(string);
if (!BKE_image_has_ibuf(mtpoly->tpage, NULL))
characters = 0;
if (!mf_smooth) {
float nor[3];
normal_tri_v3(nor, v1, v2, v3);
glNormal3fv(nor);
}
GPU_render_text(&tmp_tf, mode, string, characters,
(unsigned int *)tmp_mcol_pt, v1, v2, v3, (mp->totloop >= 4 ? v4 : NULL), glattrib);
}
}
ddm->release(ddm);
}
void draw_mesh_paint(View3D *v3d, RegionView3D *rv3d,
Object *ob, DerivedMesh *dm, const int draw_flags)
{
DMSetDrawOptions facemask = NULL;
Mesh *me = ob->data;
const bool do_light = (v3d->drawtype >= OB_SOLID);
/* hide faces in face select mode */
if (me->editflag & (ME_EDIT_PAINT_VERT_SEL | ME_EDIT_PAINT_FACE_SEL))
facemask = wpaint__setSolidDrawOptions_facemask;
if (ob->mode & OB_MODE_WEIGHT_PAINT) {
if (do_light) {
const float spec[4] = {0.47f, 0.47f, 0.47f, 0.47f};
/* enforce default material settings */
GPU_enable_material(0, NULL);
/* but set default spec */
glColorMaterial(GL_FRONT_AND_BACK, GL_SPECULAR);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, spec);
/* diffuse */
glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
glEnable(GL_LIGHTING);
glEnable(GL_COLOR_MATERIAL);
}
dm->drawMappedFaces(dm, facemask, GPU_enable_material, NULL, me,
DM_DRAW_USE_COLORS | DM_DRAW_ALWAYS_SMOOTH);
if (do_light) {
glDisable(GL_COLOR_MATERIAL);
glDisable(GL_LIGHTING);
GPU_disable_material();
}
}
else if (ob->mode & OB_MODE_VERTEX_PAINT) {
if (me->mloopcol) {
dm->drawMappedFaces(dm, facemask, GPU_enable_material, NULL, me,
DM_DRAW_USE_COLORS | DM_DRAW_ALWAYS_SMOOTH);
}
else {
glColor3f(1.0f, 1.0f, 1.0f);
dm->drawMappedFaces(dm, facemask, GPU_enable_material, NULL, me,
DM_DRAW_ALWAYS_SMOOTH);
}
}
/* draw face selection on top */
if (draw_flags & DRAW_FACE_SELECT) {
draw_mesh_face_select(rv3d, me, dm);
}
else if ((do_light == false) || (ob->dtx & OB_DRAWWIRE)) {
const int use_depth = (v3d->flag & V3D_ZBUF_SELECT) || !(ob->mode & OB_MODE_WEIGHT_PAINT);
/* weight paint in solid mode, special case. focus on making the weights clear
* rather than the shading, this is also forced in wire view */
if (use_depth) {
bglPolygonOffset(rv3d->dist, 1.0);
glDepthMask(0); /* disable write in zbuffer, selected edge wires show better */
}
else {
glDisable(GL_DEPTH_TEST);
}
glEnable(GL_BLEND);
glColor4ub(255, 255, 255, 96);
glEnable(GL_LINE_STIPPLE);
glLineStipple(1, 0xAAAA);
dm->drawEdges(dm, 1, 1);
if (use_depth) {
bglPolygonOffset(rv3d->dist, 0.0);
glDepthMask(1);
}
else {
glEnable(GL_DEPTH_TEST);
}
glDisable(GL_LINE_STIPPLE);
glDisable(GL_BLEND);
}
}
