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);
}
}
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) {
draw_mesh_paint_weight_faces(dm, use_light, facemask, me);
}
else if (ob->mode & OB_MODE_VERTEX_PAINT) {
draw_mesh_paint_vcolor_faces(dm, use_light, facemask, me, me);
}
/* draw face selection on top */
if (draw_flags & DRAW_FACE_SELECT) {
bool draw_select_edges = (ob->mode & OB_MODE_TEXTURE_PAINT) == 0;
draw_mesh_face_select(rv3d, me, dm, draw_select_edges);
}
else if ((use_light == false) || (ob->dtx & OB_DRAWWIRE)) {
const bool use_depth = (v3d->flag & V3D_ZBUF_SELECT) || !(ob->mode & OB_MODE_WEIGHT_PAINT);
const bool use_alpha = (ob->mode & OB_MODE_VERTEX_PAINT) == 0;
if (use_alpha == false) {
set_inverted_drawing(1);
}
draw_mesh_paint_weight_edges(rv3d, dm, use_depth, use_alpha, NULL, NULL);
if (use_alpha == false) {
set_inverted_drawing(0);
}
}
}
void draw_mesh_textured(Scene *scene, View3D *v3d, RegionView3D *rv3d,
Object *ob, DerivedMesh *dm, const int draw_flags)
{
/* if not cycles, or preview-modifiers, or drawing matcaps */
if ((!BKE_scene_use_new_shading_nodes(scene)) || (draw_flags & DRAW_MODIFIERS_PREVIEW) || (v3d->flag2 & V3D_SHOW_SOLID_MATCAP)) {
draw_mesh_textured_old(scene, v3d, rv3d, ob, dm, draw_flags);
return;
}
else if (ob->mode & (OB_MODE_VERTEX_PAINT | OB_MODE_WEIGHT_PAINT)) {
draw_mesh_paint(v3d, rv3d, ob, dm, draw_flags);
return;
}
/* set opengl state for negative scale & color */
if (ob->transflag & OB_NEG_SCALE) glFrontFace(GL_CW);
else glFrontFace(GL_CCW);
if ((v3d->drawtype == OB_TEXTURE) && (v3d->flag2 & V3D_SHADELESS_TEX))
glColor3f(1.0f, 1.0f, 1.0f);
else
glEnable(GL_LIGHTING);
{
Mesh *me = ob->data;
TexMatCallback data = {scene, ob, me, dm};
bool (*set_face_cb)(void *, int);
int glsl, picking = (G.f & G_PICKSEL);
/* face hiding callback depending on mode */
if (ob == scene->obedit)
set_face_cb = tex_mat_set_face_editmesh_cb;
else if (draw_flags & DRAW_FACE_SELECT)
set_face_cb = tex_mat_set_face_mesh_cb;
else
set_face_cb = NULL;
/* test if we can use glsl */
glsl = (v3d->drawtype == OB_MATERIAL) && GPU_glsl_support() && !picking;
GPU_begin_object_materials(v3d, rv3d, scene, ob, glsl, NULL);
if (glsl || picking) {
/* draw glsl or solid */
dm->drawMappedFacesMat(dm,
tex_mat_set_material_cb,
set_face_cb, &data);
}
else {
float zero[4] = {0.0f, 0.0f, 0.0f, 0.0f};
/* draw textured */
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, zero);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, zero);
glMateriali(GL_FRONT_AND_BACK, GL_SHININESS, 0);
dm->drawMappedFacesMat(dm,
tex_mat_set_texture_cb,
set_face_cb, &data);
}
GPU_end_object_materials();
}
/* reset opengl state */
glDisable(GL_COLOR_MATERIAL);
glDisable(GL_TEXTURE_2D);
glDisable(GL_LIGHTING);
glBindTexture(GL_TEXTURE_2D, 0);
glFrontFace(GL_CCW);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
/* faceselect mode drawing over textured mesh */
if (!(ob == scene->obedit) && (draw_flags & DRAW_FACE_SELECT))
draw_mesh_face_select(rv3d, ob->data, dm);
}
static void draw_mesh_textured_old(Scene *scene, View3D *v3d, RegionView3D *rv3d,
Object *ob, DerivedMesh *dm, const int draw_flags)
{
Mesh *me = ob->data;
/* correct for negative scale */
if (ob->transflag & OB_NEG_SCALE) glFrontFace(GL_CW);
else glFrontFace(GL_CCW);
/* draw the textured mesh */
draw_textured_begin(scene, v3d, rv3d, ob);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
if (ob->mode & OB_MODE_EDIT) {
drawEMTFMapped_userData data;
data.em = me->edit_btmesh;
data.has_mcol = CustomData_has_layer(&me->edit_btmesh->bm->ldata, CD_MLOOPCOL);
data.has_mtface = CustomData_has_layer(&me->edit_btmesh->bm->pdata, CD_MTEXPOLY);
data.mf = DM_get_tessface_data_layer(dm, CD_MFACE);
data.tf = DM_get_tessface_data_layer(dm, CD_MTFACE);
dm->drawMappedFacesTex(dm, draw_em_tf_mapped__set_draw, compareDrawOptionsEm, &data);
}
else if (draw_flags & DRAW_FACE_SELECT) {
if (ob->mode & OB_MODE_WEIGHT_PAINT)
dm->drawMappedFaces(dm, wpaint__setSolidDrawOptions_facemask, GPU_enable_material, NULL, me,
DM_DRAW_USE_COLORS | DM_DRAW_ALWAYS_SMOOTH);
else {
drawTFace_userData userData;
userData.mf = DM_get_tessface_data_layer(dm, CD_MFACE);
userData.tf = DM_get_tessface_data_layer(dm, CD_MTFACE);
userData.me = me;
dm->drawMappedFacesTex(dm, me->mpoly ? draw_tface_mapped__set_draw : NULL, compareDrawOptions, &userData);
}
}
else {
if (GPU_buffer_legacy(dm)) {
if (draw_flags & DRAW_MODIFIERS_PREVIEW)
dm->drawFacesTex(dm, draw_mcol__set_draw_legacy, NULL, NULL);
else
dm->drawFacesTex(dm, draw_tface__set_draw_legacy, NULL, NULL);
}
else {
drawTFace_userData userData;
update_tface_color_layer(dm);
userData.mf = DM_get_tessface_data_layer(dm, CD_MFACE);
userData.tf = DM_get_tessface_data_layer(dm, CD_MTFACE);
userData.me = NULL;
dm->drawFacesTex(dm, draw_tface__set_draw, compareDrawOptions, &userData);
}
}
/* draw game engine text hack */
if (BKE_bproperty_object_get(ob, "Text"))
draw_mesh_text(scene, ob, 0);
draw_textured_end();
/* draw edges and selected faces over textured mesh */
if (!(ob == scene->obedit) && (draw_flags & DRAW_FACE_SELECT))
draw_mesh_face_select(rv3d, me, dm);
/* reset from negative scale correction */
glFrontFace(GL_CCW);
/* in editmode, the blend mode needs to be set in case it was ADD */
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
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);
}
}
static void draw_mesh_textured_old(Scene *scene, View3D *v3d, RegionView3D *rv3d,
Object *ob, DerivedMesh *dm, const int draw_flags)
{
Mesh *me = ob->data;
DMDrawFlag uvflag = DM_DRAW_USE_ACTIVE_UV;
/* correct for negative scale */
if (ob->transflag & OB_NEG_SCALE) glFrontFace(GL_CW);
else glFrontFace(GL_CCW);
/* draw the textured mesh */
draw_textured_begin(scene, v3d, rv3d, ob);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
if (ob->mode & OB_MODE_TEXTURE_PAINT) {
uvflag = DM_DRAW_USE_TEXPAINT_UV;
}
if (ob->mode & OB_MODE_EDIT) {
drawEMTFMapped_userData data;
data.em = me->edit_btmesh;
data.has_mcol = CustomData_has_layer(&me->edit_btmesh->bm->ldata, CD_MLOOPCOL);
data.cd_poly_tex_offset = CustomData_get_offset(&me->edit_btmesh->bm->pdata, CD_MTEXPOLY);
data.mpoly = DM_get_poly_data_layer(dm, CD_MPOLY);
data.mtexpoly = DM_get_poly_data_layer(dm, CD_MTEXPOLY);
dm->drawMappedFacesTex(dm, draw_em_tf_mapped__set_draw, compareDrawOptionsEm, &data, 0);
}
else if (draw_flags & DRAW_FACE_SELECT) {
if (ob->mode & OB_MODE_WEIGHT_PAINT)
dm->drawMappedFaces(dm, wpaint__setSolidDrawOptions_facemask, GPU_object_material_bind, NULL, me,
DM_DRAW_USE_COLORS | DM_DRAW_ALWAYS_SMOOTH | DM_DRAW_SKIP_HIDDEN);
else {
drawTFace_userData userData;
userData.mpoly = DM_get_poly_data_layer(dm, CD_MPOLY);
userData.mtexpoly = DM_get_poly_data_layer(dm, CD_MTEXPOLY);
userData.me = me;
dm->drawMappedFacesTex(dm, me->mpoly ? draw_tface_mapped__set_draw : NULL, compareDrawOptions, &userData, uvflag);
}
}
else {
drawTFace_userData userData;
update_tface_color_layer(dm, !(ob->mode & OB_MODE_TEXTURE_PAINT));
userData.mpoly = DM_get_poly_data_layer(dm, CD_MPOLY);
userData.mtexpoly = DM_get_poly_data_layer(dm, CD_MTEXPOLY);
userData.me = NULL;
dm->drawFacesTex(dm, draw_tface__set_draw, compareDrawOptions, &userData, uvflag);
}
/* draw game engine text hack */
if (BKE_bproperty_object_get(ob, "Text"))
draw_mesh_text(scene, ob, 0);
draw_textured_end();
/* draw edges and selected faces over textured mesh */
if (!(ob == scene->obedit) && (draw_flags & DRAW_FACE_SELECT)) {
bool draw_select_edges = (ob->mode & OB_MODE_TEXTURE_PAINT) == 0;
draw_mesh_face_select(rv3d, me, dm, draw_select_edges);
}
/* reset from negative scale correction */
glFrontFace(GL_CCW);
/* in editmode, the blend mode needs to be set in case it was ADD */
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
void draw_mesh_textured(Scene *scene, View3D *v3d, RegionView3D *rv3d,
Object *ob, DerivedMesh *dm, const int draw_flags)
{
/* if not cycles, or preview-modifiers, or drawing matcaps */
if ((draw_flags & DRAW_MODIFIERS_PREVIEW) ||
(v3d->flag2 & V3D_SHOW_SOLID_MATCAP) ||
(BKE_scene_use_new_shading_nodes(scene) == false) ||
((ob->mode & OB_MODE_TEXTURE_PAINT) && ELEM(v3d->drawtype, OB_TEXTURE, OB_SOLID)))
{
draw_mesh_textured_old(scene, v3d, rv3d, ob, dm, draw_flags);
return;
}
else if (ob->mode & (OB_MODE_VERTEX_PAINT | OB_MODE_WEIGHT_PAINT)) {
draw_mesh_paint(v3d, rv3d, ob, dm, draw_flags);
return;
}
/* set opengl state for negative scale & color */
if (ob->transflag & OB_NEG_SCALE) glFrontFace(GL_CW);
else glFrontFace(GL_CCW);
Mesh *me = ob->data;
bool shadeless = ((v3d->flag2 & V3D_SHADELESS_TEX) &&
((v3d->drawtype == OB_TEXTURE) || (ob->mode & OB_MODE_TEXTURE_PAINT)));
bool two_sided_lighting = (me->flag & ME_TWOSIDED) != 0;
TexMatCallback data = {scene, ob, me, dm, shadeless, two_sided_lighting};
bool (*set_face_cb)(void *, int);
bool picking = (G.f & G_PICKSEL) != 0;
/* face hiding callback depending on mode */
if (ob == scene->obedit)
set_face_cb = tex_mat_set_face_editmesh_cb;
else if (draw_flags & DRAW_FACE_SELECT)
set_face_cb = tex_mat_set_face_mesh_cb;
else
set_face_cb = NULL;
/* test if we can use glsl */
bool glsl = (v3d->drawtype == OB_MATERIAL) && !picking;
GPU_begin_object_materials(v3d, rv3d, scene, ob, glsl, NULL);
if (glsl || picking) {
/* draw glsl or solid */
dm->drawMappedFacesMat(dm,
tex_mat_set_material_cb,
set_face_cb, &data);
}
else {
/* draw textured */
dm->drawMappedFacesMat(dm,
tex_mat_set_texture_cb,
set_face_cb, &data);
}
GPU_end_object_materials();
/* reset opengl state */
GPU_end_object_materials();
GPU_basic_shader_bind(GPU_SHADER_USE_COLOR);
glBindTexture(GL_TEXTURE_2D, 0);
glFrontFace(GL_CCW);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
/* faceselect mode drawing over textured mesh */
if (!(ob == scene->obedit) && (draw_flags & DRAW_FACE_SELECT)) {
bool draw_select_edges = (ob->mode & OB_MODE_TEXTURE_PAINT) == 0;
draw_mesh_face_select(rv3d, ob->data, dm, draw_select_edges);
}
}