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OpenGL: simple mesh edit mode for new viewport

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Very very simple. Needs a lot of work to reach "legacy viewport" capabilities.
This commit is contained in:
Mike Erwin
2016-11-07 20:24:03 +01:00
parent 5abf1a4e9d
commit a3277ae384
1 changed files with 54 additions and 1 deletions
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55
source/blender/editors/space_view3d/drawobject.c
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@@ -4253,7 +4253,60 @@ static void draw_em_fancy(Scene *scene, ARegion *ar, View3D *v3d,
static void draw_em_fancy_new(Scene *scene, ARegion *ar, View3D *v3d,
Object *ob, BMEditMesh *em, DerivedMesh *cageDM, DerivedMesh *finalDM, const char dt)
{
/* for now... nothing! */
/* for now... something simple! */
Batch *surface = MBC_get_all_triangles(cageDM);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glEnable(GL_BLEND);
/* disable depth writes for transparent surface, so it doesn't interfere with itself */
glDepthMask(GL_FALSE);
Batch_set_builtin_program(surface, GPU_SHADER_3D_UNIFORM_COLOR);
Batch_Uniform4f(surface, "color", 1.0f, 0.5f, 0.0f, 0.5f);
Batch_draw(surface);
#if 0 /* until I understand finalDM better */
if (finalDM != cageDM) {
puts("finalDM != cageDM");
Batch *finalSurface = MBC_get_all_triangles(finalDM);
Batch_set_builtin_program(finalSurface, GPU_SHADER_3D_UNIFORM_COLOR);
Batch_Uniform4f(finalSurface, "color", 0.0f, 0.0f, 0.0f, 0.05f);
Batch_draw(finalSurface);
}
#endif
glDepthMask(GL_TRUE);
/* now write surface depth so other objects won't poke through
* NOTE: does not help as much as desired
* TODO: draw edit object last to avoid this mess
*/
Batch_set_builtin_program(surface, GPU_SHADER_3D_DEPTH_ONLY);
Batch_draw(surface);
Batch *edges = MBC_get_all_edges(cageDM);
Batch_set_builtin_program(edges, GPU_SHADER_3D_UNIFORM_COLOR);
Batch_Uniform4f(edges, "color", 0.0f, 0.0f, 0.0f, 1.0f);
glEnable(GL_LINE_SMOOTH);
glLineWidth(1.5f);
Batch_draw(edges);
glDisable(GL_LINE_SMOOTH);
#if 0 /* looks good even without points */
Batch *verts = MBC_get_all_verts(cageDM);
glEnable(GL_BLEND);
Batch_set_builtin_program(verts, GPU_SHADER_3D_POINT_UNIFORM_SIZE_UNIFORM_COLOR_SMOOTH);
Batch_Uniform4f(verts, "color", 0.0f, 0.0f, 0.0f, 1.0f);
Batch_Uniform1f(verts, "size", UI_GetThemeValuef(TH_VERTEX_SIZE) * 1.5f);
Batch_draw(verts);
glDisable(GL_BLEND);
#endif
}
/* Mesh drawing routines */