else {
gps->triangles = MEM_recallocN(gps->triangles, sizeof(*gps->triangles) * gps->tot_triangles);
}
-
+
for (int i = 0; i < gps->tot_triangles; i++) {
-- bGPDtriangle *stroke_triangle = &gps->triangles[i];
- stroke_triangle->v1 = tmp_triangles[i][0];
- stroke_triangle->v2 = tmp_triangles[i][1];
- stroke_triangle->v3 = tmp_triangles[i][2];
- memcpy(stroke_triangle->verts, tmp_triangles[i], sizeof(uint[3]));
++ memcpy(gps->triangles[i].verts, tmp_triangles[i], sizeof(uint[3]));
}
}
else {
if ((gps->flag & GP_STROKE_RECALC_CACHES) || (gps->tot_triangles == 0) || (gps->triangles == NULL)) {
gp_triangulate_stroke_fill(gps);
}
- /* Draw all triangles for filling the polygon (cache must be calculated before) */
BLI_assert(gps->tot_triangles >= 1);
- glBegin(GL_TRIANGLES);
+
+ unsigned int pos;
if (gps->flag & GP_STROKE_3DSPACE) {
- for (i = 0, stroke_triangle = gps->triangles; i < gps->tot_triangles; i++, stroke_triangle++) {
+ pos = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_F32, 3, GWN_FETCH_FLOAT);
+ immBindBuiltinProgram(GPU_SHADER_3D_UNIFORM_COLOR);
+ }
+ else {
+ pos = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
+ immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
+ }
+
+ immUniformColor4fv(color);
+
+ /* Draw all triangles for filling the polygon (cache must be calculated before) */
+ immBegin(GWN_PRIM_TRIS, gps->tot_triangles * 3);
+ /* TODO: use batch instead of immediate mode, to share vertices */
+
+ bGPDtriangle *stroke_triangle = gps->triangles;
+ bGPDspoint *pt;
+
- for (int i = 0; i < gps->tot_triangles; i++, stroke_triangle++) {
- if (gps->flag & GP_STROKE_3DSPACE) {
- /* vertex 1 */
- pt = &gps->points[stroke_triangle->v1];
- mul_v3_m4v3(fpt, diff_mat, &pt->x);
- immVertex3fv(pos, fpt);
- /* vertex 2 */
- pt = &gps->points[stroke_triangle->v2];
- mul_v3_m4v3(fpt, diff_mat, &pt->x);
- immVertex3fv(pos, fpt);
- /* vertex 3 */
- pt = &gps->points[stroke_triangle->v3];
- mul_v3_m4v3(fpt, diff_mat, &pt->x);
- immVertex3fv(pos, fpt);
++ if (gps->flag & GP_STROKE_3DSPACE) {
++ for (int i = 0; i < gps->tot_triangles; i++, stroke_triangle++) {
+ for (int j = 0; j < 3; j++) {
+ pt = &gps->points[stroke_triangle->verts[j]];
+ mul_v3_m4v3(fpt, diff_mat, &pt->x);
- glVertex3fv(fpt);
++ immVertex3fv(pos, fpt);
+ }
}
- else {
- float co[2];
- /* vertex 1 */
- pt = &gps->points[stroke_triangle->v1];
- mul_v3_m4v3(fpt, diff_mat, &pt->x);
- gp_calc_2d_stroke_fxy(fpt, gps->flag, offsx, offsy, winx, winy, co);
- immVertex2fv(pos, co);
- /* vertex 2 */
- pt = &gps->points[stroke_triangle->v2];
- mul_v3_m4v3(fpt, diff_mat, &pt->x);
- gp_calc_2d_stroke_fxy(fpt, gps->flag, offsx, offsy, winx, winy, co);
- immVertex2fv(pos, co);
- /* vertex 3 */
- pt = &gps->points[stroke_triangle->v3];
- mul_v3_m4v3(fpt, diff_mat, &pt->x);
- gp_calc_2d_stroke_fxy(fpt, gps->flag, offsx, offsy, winx, winy, co);
- immVertex2fv(pos, co);
+ }
+ else {
- for (i = 0, stroke_triangle = gps->triangles; i < gps->tot_triangles; i++, stroke_triangle++) {
++ for (int i = 0; i < gps->tot_triangles; i++, stroke_triangle++) {
+ for (int j = 0; j < 3; j++) {
+ float co[2];
+ pt = &gps->points[stroke_triangle->verts[j]];
+ mul_v3_m4v3(fpt, diff_mat, &pt->x);
+ gp_calc_2d_stroke_fxy(fpt, gps->flag, offsx, offsy, winx, winy, co);
- glVertex2fv(co);
++ immVertex3fv(pos, fpt);
+ }
}
}
- glEnd();
- }
- else {
- /* As an initial implementation, we use the OpenGL filled polygon drawing
- * here since it's the easiest option to implement for this case. It does
- * come with limitations (notably for concave shapes), though it shouldn't
- * be much of an issue in most cases.
- *
- * We keep this legacy implementation around despite now having the high quality
- * fills, as this is necessary for keeping everything working nicely for files
- * created using old versions of Blender which may have depended on the artifacts
- * the old fills created.
- */
- bGPDspoint *pt;
-
- glBegin(GL_POLYGON);
- for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {
- if (gps->flag & GP_STROKE_3DSPACE) {
- mul_v3_m4v3(fpt, diff_mat, &pt->x);
- glVertex3fv(fpt);
- }
- else {
- float co[2];
- mul_v3_m4v3(fpt, diff_mat, &pt->x);
- gp_calc_2d_stroke_fxy(fpt, gps->flag, offsx, offsy, winx, winy, co);
- glVertex2fv(co);
- }
- }
- glEnd();
+ immEnd();
+ immUnbindProgram();
}
}