static bool set_draw_settings_cached(int clearcache, MTFace *texface, Material *ma, struct TextureDrawState gtexdraw)
{
static Material *c_ma;
static int c_textured;
static MTFace c_texface;
static int c_backculled;
static bool c_badtex;
static int c_lit;
static int c_has_texface;
Object *litob = NULL; /* to get mode to turn off mipmap in painting mode */
int backculled = 1;
int alphablend = GPU_BLEND_SOLID;
int textured = 0;
int lit = 0;
int has_texface = texface != NULL;
bool need_set_tpage = false;
if (clearcache) {
c_textured = c_lit = c_backculled = -1;
memset(&c_texface, 0, sizeof(MTFace));
c_badtex = false;
c_has_texface = -1;
}
else {
textured = gtexdraw.is_tex;
litob = gtexdraw.ob;
}
/* convert number of lights into boolean */
if (gtexdraw.is_lit) lit = 1;
if (ma) {
if (ma->mode & MA_SHLESS) lit = 0;
backculled = gtexdraw.use_backface_culling;
if (gtexdraw.use_game_mat) {
backculled = backculled || (ma->game.flag & GEMAT_BACKCULL);
alphablend = ma->game.alpha_blend;
}
}
if (texface) {
textured = textured && (texface->tpage);
/* no material, render alpha if texture has depth=32 */
if (!ma && BKE_image_has_alpha(texface->tpage))
alphablend = GPU_BLEND_ALPHA;
}
else
textured = 0;
if (backculled != c_backculled) {
if (backculled) glEnable(GL_CULL_FACE);
else glDisable(GL_CULL_FACE);
c_backculled = backculled;
}
/* need to re-set tpage if textured flag changed or existsment of texface changed.. */
need_set_tpage = textured != c_textured || has_texface != c_has_texface;
/* ..or if settings inside texface were changed (if texface was used) */
need_set_tpage |= texface && memcmp(&c_texface, texface, sizeof(c_texface));
if (need_set_tpage) {
if (textured) {
c_badtex = !GPU_set_tpage(texface, !(litob->mode & OB_MODE_TEXTURE_PAINT), alphablend);
}
else {
GPU_set_tpage(NULL, 0, 0);
c_badtex = false;
}
c_textured = textured;
c_has_texface = has_texface;
if (texface)
memcpy(&c_texface, texface, sizeof(c_texface));
}
if (c_badtex) lit = 0;
if (lit != c_lit || ma != c_ma) {
if (lit) {
float spec[4];
if (!ma) ma = give_current_material_or_def(NULL, 0); /* default material */
spec[0] = ma->spec * ma->specr;
spec[1] = ma->spec * ma->specg;
spec[2] = ma->spec * ma->specb;
spec[3] = 1.0;
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, spec);
glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
glMateriali(GL_FRONT_AND_BACK, GL_SHININESS, CLAMPIS(ma->har, 0, 128));
glEnable(GL_LIGHTING);
glEnable(GL_COLOR_MATERIAL);
}
else {
glDisable(GL_LIGHTING);
glDisable(GL_COLOR_MATERIAL);
}
c_lit = lit;
}
return c_badtex;
}
static bool set_draw_settings_cached(int clearcache, MTexPoly *texface, Material *ma, struct TextureDrawState gtexdraw)
{
static Material *c_ma;
static int c_textured;
static MTexPoly c_texface;
static int c_backculled;
static bool c_badtex;
static int c_lit;
static int c_has_texface;
int backculled = 1;
int alphablend = GPU_BLEND_SOLID;
int textured = 0;
int lit = 0;
int has_texface = texface != NULL;
bool need_set_tpage = false;
bool texpaint = ((gtexdraw.ob->mode & OB_MODE_TEXTURE_PAINT) != 0);
Image *ima = NULL;
if (ma != NULL) {
if (ma->mode & MA_TRANSP) {
alphablend = GPU_BLEND_ALPHA;
}
}
if (clearcache) {
c_textured = c_lit = c_backculled = -1;
memset(&c_texface, 0, sizeof(c_texface));
c_badtex = false;
c_has_texface = -1;
c_ma = NULL;
}
else {
textured = gtexdraw.is_tex;
}
/* convert number of lights into boolean */
if (gtexdraw.is_lit) lit = 1;
backculled = gtexdraw.use_backface_culling;
if (ma) {
if (ma->mode & MA_SHLESS) lit = 0;
if (gtexdraw.use_game_mat) {
backculled = backculled || (ma->game.flag & GEMAT_BACKCULL);
alphablend = ma->game.alpha_blend;
}
}
if (texface && !texpaint) {
textured = textured && (texface->tpage);
/* no material, render alpha if texture has depth=32 */
if (!ma && BKE_image_has_alpha(texface->tpage))
alphablend = GPU_BLEND_ALPHA;
}
else if (texpaint) {
if (gtexdraw.texpaint_material)
ima = ma && ma->texpaintslot ? ma->texpaintslot[ma->paint_active_slot].ima : NULL;
else
ima = gtexdraw.canvas;
}
else
textured = 0;
if (backculled != c_backculled) {
if (backculled) glEnable(GL_CULL_FACE);
else glDisable(GL_CULL_FACE);
c_backculled = backculled;
}
/* need to re-set tpage if textured flag changed or existsment of texface changed.. */
need_set_tpage = textured != c_textured || has_texface != c_has_texface;
/* ..or if settings inside texface were changed (if texface was used) */
need_set_tpage |= (texpaint && c_ma != ma) || (texface && memcmp(&c_texface, texface, sizeof(c_texface)));
if (need_set_tpage) {
if (textured) {
if (texpaint) {
c_badtex = false;
if (GPU_verify_image(ima, NULL, 0, 1, 0, false)) {
glEnable(GL_TEXTURE_2D);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_MODULATE);
glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_RGB, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_SRC1_RGB, GL_PRIMARY_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_ALPHA, GL_TEXTURE);
glActiveTexture(GL_TEXTURE1);
glEnable(GL_TEXTURE_2D);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_INTERPOLATE);
glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_RGB, GL_PREVIOUS);
glTexEnvi(GL_TEXTURE_ENV, GL_SRC1_RGB, GL_PRIMARY_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_SRC2_RGB, GL_PREVIOUS);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB, GL_SRC_ALPHA);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_ALPHA, GL_PREVIOUS);
glBindTexture(GL_TEXTURE_2D, ima->bindcode);
glActiveTexture(GL_TEXTURE0);
}
else {
glActiveTexture(GL_TEXTURE1);
glDisable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glActiveTexture(GL_TEXTURE0);
c_badtex = true;
GPU_clear_tpage(true);
glDisable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
}
}
else {
c_badtex = !GPU_set_tpage(texface, !texpaint, alphablend);
}
}
else {
GPU_set_tpage(NULL, 0, 0);
c_badtex = false;
}
c_textured = textured;
c_has_texface = has_texface;
if (texface)
memcpy(&c_texface, texface, sizeof(c_texface));
}
if (c_badtex) lit = 0;
if (lit != c_lit || ma != c_ma) {
if (lit) {
float spec[4];
if (!ma) ma = give_current_material_or_def(NULL, 0); /* default material */
spec[0] = ma->spec * ma->specr;
spec[1] = ma->spec * ma->specg;
spec[2] = ma->spec * ma->specb;
spec[3] = 1.0;
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, spec);
glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
glMateriali(GL_FRONT_AND_BACK, GL_SHININESS, CLAMPIS(ma->har, 0, 128));
glEnable(GL_LIGHTING);
glEnable(GL_COLOR_MATERIAL);
}
else {
glDisable(GL_LIGHTING);
glDisable(GL_COLOR_MATERIAL);
}
c_lit = lit;
c_ma = ma;
}
return c_badtex;
}
