forked from bartvdbraak/blender
fix [#34378] GLSL materials using multiple UV layers fail in editmode
regression since BMesh merge.
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0c53fb3a92
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375c0144c8
@ -2743,7 +2743,7 @@ void DM_vertex_attributes_from_gpu(DerivedMesh *dm, GPUVertexAttribs *gattribs,
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a = attribs->tottface++;
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attribs->tface[a].array = tfdata->layers[layer].data;
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attribs->tface[a].em_offset = tfdata->layers[layer].offset;
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attribs->tface[a].em_offset = ldata->layers[layer].offset;
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attribs->tface[a].gl_index = gattribs->layer[b].glindex;
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attribs->tface[a].gl_texco = gattribs->layer[b].gltexco;
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}
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@ -2780,7 +2780,8 @@ void DM_vertex_attributes_from_gpu(DerivedMesh *dm, GPUVertexAttribs *gattribs,
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a = attribs->totmcol++;
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attribs->mcol[a].array = tfdata->layers[layer].data;
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attribs->mcol[a].em_offset = tfdata->layers[layer].offset;
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/* odd, store the offset for a different layer type here, but editmode draw code expects it */
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attribs->mcol[a].em_offset = ldata->layers[layer].offset;
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attribs->mcol[a].gl_index = gattribs->layer[b].glindex;
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}
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}
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@ -2796,6 +2797,7 @@ void DM_vertex_attributes_from_gpu(DerivedMesh *dm, GPUVertexAttribs *gattribs,
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a = attribs->totmcol++;
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attribs->mcol[a].array = tfdata->layers[layer].data;
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/* odd, store the offset for a different layer type here, but editmode draw code expects it */
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attribs->mcol[a].em_offset = tfdata->layers[layer].offset;
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attribs->mcol[a].gl_index = gattribs->layer[b].glindex;
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}
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@ -997,27 +997,39 @@ static void emDM_drawMappedFacesTex(DerivedMesh *dm,
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emDM_drawFacesTex_common(dm, NULL, setDrawOptions, compareDrawOptions, userData);
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}
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static void emdm_draw_attrib_vertex_glsl(DMVertexAttribs *attribs, BMesh *bm, BMLoop *loop, BMVert *eve, int vert)
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/**
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* \note
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*
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* For UV's:
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* const MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(loop, attribs->tface[i].em_offset);
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*
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* This is intentionally different to calling:
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* CustomData_bmesh_get_n(&bm->ldata, loop->head.data, CD_MLOOPUV, i);
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*
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* ... because the material may use layer names to select different UV's
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* see: [#34378]
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*/
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static void emdm_pass_attrib_vertex_glsl(DMVertexAttribs *attribs, BMLoop *loop, int index_in_face)
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{
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BMVert *eve = loop->v;
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int i;
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if (attribs->totorco) {
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float *orco = attribs->orco.array[BM_elem_index_get(eve)];
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const float *orco = attribs->orco.array[BM_elem_index_get(eve)];
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glVertexAttrib3fvARB(attribs->orco.gl_index, orco);
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}
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for (i = 0; i < attribs->tottface; i++) {
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MLoopUV *_luv = CustomData_bmesh_get_n(&bm->ldata, loop->head.data,
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CD_MLOOPUV, i);
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glVertexAttrib2fvARB(attribs->tface[i].gl_index, _luv->uv);
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const MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(loop, attribs->tface[i].em_offset);
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glVertexAttrib2fvARB(attribs->tface[i].gl_index, luv->uv);
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}
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for (i = 0; i < attribs->totmcol; i++) {
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MLoopCol *_cp = CustomData_bmesh_get_n(&bm->ldata, loop->head.data,
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CD_MLOOPCOL, i);
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GLubyte _col[4];
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_col[0] = _cp->b; _col[1] = _cp->g; _col[2] = _cp->r; _col[3] = _cp->a;
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glVertexAttrib4ubvARB(attribs->mcol[i].gl_index, _col);
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const MLoopCol *cp = BM_ELEM_CD_GET_VOID_P(loop, attribs->mcol[i].em_offset);
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GLubyte col[4];
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col[0] = cp->b; col[1] = cp->g; col[2] = cp->r; col[3] = cp->a;
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glVertexAttrib4ubvARB(attribs->mcol[i].gl_index, col);
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}
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if (attribs->tottang) {
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float *tang = attribs->tang.array[i * 4 + vert];
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const float *tang = attribs->tang.array[i * 4 + index_in_face];
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glVertexAttrib3fvARB(attribs->tang.gl_index, tang);
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}
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}
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@ -1070,20 +1082,20 @@ static void emDM_drawMappedFacesGLSL(DerivedMesh *dm,
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if (vertexCos) glNormal3fv(bmdm->polyNos[BM_elem_index_get(efa)]);
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else glNormal3fv(efa->no);
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emdm_draw_attrib_vertex_glsl(&attribs, bm, ltri[0], ltri[0]->v, 0);
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emdm_pass_attrib_vertex_glsl(&attribs, ltri[0], 0);
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if (vertexCos) glVertex3fv(vertexCos[BM_elem_index_get(ltri[0]->v)]);
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else glVertex3fv(ltri[0]->v->co);
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emdm_draw_attrib_vertex_glsl(&attribs, bm, ltri[1], ltri[1]->v, 1);
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emdm_pass_attrib_vertex_glsl(&attribs, ltri[1], 1);
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if (vertexCos) glVertex3fv(vertexCos[BM_elem_index_get(ltri[1]->v)]);
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else glVertex3fv(ltri[1]->v->co);
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emdm_draw_attrib_vertex_glsl(&attribs, bm, ltri[2], ltri[2]->v, 2);
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emdm_pass_attrib_vertex_glsl(&attribs, ltri[2], 2);
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if (vertexCos) glVertex3fv(vertexCos[BM_elem_index_get(ltri[2]->v)]);
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else glVertex3fv(ltri[2]->v->co);
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}
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else {
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emdm_draw_attrib_vertex_glsl(&attribs, bm, ltri[0], ltri[0]->v, 0);
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emdm_pass_attrib_vertex_glsl(&attribs, ltri[0], 0);
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if (vertexCos) {
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glNormal3fv(vertexNos[BM_elem_index_get(ltri[0]->v)]);
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glVertex3fv(vertexCos[BM_elem_index_get(ltri[0]->v)]);
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@ -1093,7 +1105,7 @@ static void emDM_drawMappedFacesGLSL(DerivedMesh *dm,
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glVertex3fv(ltri[0]->v->co);
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}
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emdm_draw_attrib_vertex_glsl(&attribs, bm, ltri[1], ltri[1]->v, 1);
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emdm_pass_attrib_vertex_glsl(&attribs, ltri[1], 1);
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if (vertexCos) {
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glNormal3fv(vertexNos[BM_elem_index_get(ltri[1]->v)]);
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glVertex3fv(vertexCos[BM_elem_index_get(ltri[1]->v)]);
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@ -1103,7 +1115,7 @@ static void emDM_drawMappedFacesGLSL(DerivedMesh *dm,
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glVertex3fv(ltri[1]->v->co);
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}
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emdm_draw_attrib_vertex_glsl(&attribs, bm, ltri[2], ltri[2]->v, 2);
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emdm_pass_attrib_vertex_glsl(&attribs, ltri[2], 2);
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if (vertexCos) {
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glNormal3fv(vertexNos[BM_elem_index_get(ltri[2]->v)]);
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glVertex3fv(vertexCos[BM_elem_index_get(ltri[2]->v)]);
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@ -1124,9 +1136,12 @@ static void emDM_drawFacesGLSL(DerivedMesh *dm,
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dm->drawMappedFacesGLSL(dm, setMaterial, NULL, NULL);
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}
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static void emdm_draw_attrib_vertex_mat(DMVertexAttribs *attribs, BMesh *bm, BMLoop *loop, BMVert *eve, int vert)
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/* emdm_pass_attrib_vertex_glsl's note about em_offset use applies here */
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static void emdm_pass_attrib_vertex_mat(DMVertexAttribs *attribs, BMLoop *loop, int index_in_face)
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{
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BMVert *eve = loop->v;
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int i;
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if (attribs->totorco) {
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float *orco = attribs->orco.array[BM_elem_index_get(eve)];
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if (attribs->orco.gl_texco)
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@ -1135,22 +1150,20 @@ static void emdm_draw_attrib_vertex_mat(DMVertexAttribs *attribs, BMesh *bm, BML
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glVertexAttrib3fvARB(attribs->orco.gl_index, orco);
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}
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for (i = 0; i < attribs->tottface; i++) {
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MLoopUV *_luv = CustomData_bmesh_get_n(&bm->ldata, loop->head.data,
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CD_MLOOPUV, i);
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const MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(loop, attribs->tface[i].em_offset);
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if (attribs->tface[i].gl_texco)
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glTexCoord2fv(_luv->uv);
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glTexCoord2fv(luv->uv);
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else
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glVertexAttrib2fvARB(attribs->tface[i].gl_index, _luv->uv);
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glVertexAttrib2fvARB(attribs->tface[i].gl_index, luv->uv);
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}
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for (i = 0; i < attribs->totmcol; i++) {
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MLoopCol *_cp = CustomData_bmesh_get_n(&bm->ldata, loop->head.data,
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CD_MLOOPCOL, i);
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GLubyte _col[4];
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_col[0] = _cp->b; _col[1] = _cp->g; _col[2] = _cp->r; _col[3] = _cp->a;
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glVertexAttrib4ubvARB(attribs->mcol[i].gl_index, _col);
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const MLoopCol *cp = BM_ELEM_CD_GET_VOID_P(loop, attribs->mcol[i].em_offset);
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GLubyte col[4];
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col[0] = cp->b; col[1] = cp->g; col[2] = cp->r; col[3] = cp->a;
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glVertexAttrib4ubvARB(attribs->mcol[i].gl_index, col);
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}
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if (attribs->tottang) {
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float *tang = attribs->tang.array[i * 4 + vert];
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float *tang = attribs->tang.array[i * 4 + index_in_face];
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glVertexAttrib4fvARB(attribs->tang.gl_index, tang);
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}
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}
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@ -1200,21 +1213,21 @@ static void emDM_drawMappedFacesMat(DerivedMesh *dm,
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if (vertexCos) glNormal3fv(bmdm->polyNos[BM_elem_index_get(efa)]);
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else glNormal3fv(efa->no);
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emdm_draw_attrib_vertex_mat(&attribs, bm, ltri[0], ltri[0]->v, 0);
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emdm_pass_attrib_vertex_mat(&attribs, ltri[0], 0);
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if (vertexCos) glVertex3fv(vertexCos[BM_elem_index_get(ltri[0]->v)]);
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else glVertex3fv(ltri[0]->v->co);
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emdm_draw_attrib_vertex_mat(&attribs, bm, ltri[1], ltri[1]->v, 1);
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emdm_pass_attrib_vertex_mat(&attribs, ltri[1], 1);
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if (vertexCos) glVertex3fv(vertexCos[BM_elem_index_get(ltri[1]->v)]);
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else glVertex3fv(ltri[1]->v->co);
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emdm_draw_attrib_vertex_mat(&attribs, bm, ltri[2], ltri[2]->v, 2);
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emdm_pass_attrib_vertex_mat(&attribs, ltri[2], 2);
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if (vertexCos) glVertex3fv(vertexCos[BM_elem_index_get(ltri[2]->v)]);
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else glVertex3fv(ltri[2]->v->co);
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}
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else {
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emdm_draw_attrib_vertex_mat(&attribs, bm, ltri[0], ltri[0]->v, 0);
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emdm_pass_attrib_vertex_mat(&attribs, ltri[0], 0);
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if (vertexCos) {
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glNormal3fv(vertexNos[BM_elem_index_get(ltri[0]->v)]);
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glVertex3fv(vertexCos[BM_elem_index_get(ltri[0]->v)]);
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@ -1224,7 +1237,7 @@ static void emDM_drawMappedFacesMat(DerivedMesh *dm,
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glVertex3fv(ltri[0]->v->co);
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}
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emdm_draw_attrib_vertex_mat(&attribs, bm, ltri[1], ltri[1]->v, 1);
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emdm_pass_attrib_vertex_mat(&attribs, ltri[1], 1);
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if (vertexCos) {
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glNormal3fv(vertexNos[BM_elem_index_get(ltri[1]->v)]);
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glVertex3fv(vertexCos[BM_elem_index_get(ltri[1]->v)]);
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@ -1234,7 +1247,7 @@ static void emDM_drawMappedFacesMat(DerivedMesh *dm,
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glVertex3fv(ltri[1]->v->co);
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}
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emdm_draw_attrib_vertex_mat(&attribs, bm, ltri[2], ltri[2]->v, 2);
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emdm_pass_attrib_vertex_mat(&attribs, ltri[2], 2);
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if (vertexCos) {
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glNormal3fv(vertexNos[BM_elem_index_get(ltri[2]->v)]);
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glVertex3fv(vertexCos[BM_elem_index_get(ltri[2]->v)]);
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