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blender-archive/source/blender/draw/modes/shaders/edit_mesh_overlay_frag.glsl

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Clay Engine: Edit mesh overlays Based on the previous overlay shader from merwin. This shader takes care of clipped vertex cases and do all edit mode face info in one pass (except face centers). As the shading is done one the triangle itself the visual can't go beyond the surface of the mesh. That leads to half displayed edges on the outline of the mesh. This problem can be fixed by a second pass. This is work in progress.
2017-02-26 21:07:37 +01:00
Edit Mesh: Refactor Edit cage drawing to use old style drawing This is work in progress. Look is not final. This align data VBO data structure used for edti cage drawing to the one use for normal drawing. We no longer use barycentric coords to draw the lines an just rasterize line primitives for edge drawing. This is a bit slower than using the previous fast method but faster than the "correct" (edge artifact free) method. This also make the code way simpler. This also makes it possible to reuse possible and normal vbos used for shading if the edit cage matches the This also touches the UV batch code to share as much render data as possible. The code also prepare for edit cage "modified" drawing cage (with modifier applied) but is not enabled since selection and operators does not work with modified cage yet.
2019-02-04 01:13:51 +01:00
#ifdef FLAT
flat in vec4 finalColor;
Edit Mesh: Do not use barycentric coord in EDGE_FIX shader and ... ... display vertex even when occluded. Add back the vertex display because occluded vertex are not visible when the triangle is almost parallel to the view. The problem with the barycentric coord is that they are hard to work with and their derivatives not enough precise to compute the vertex positions. So we need to pass the vertices scree positions down to the fragment shader.
2018-10-13 16:54:53 +02:00
#else
Edit Mesh: Refactor Edit cage drawing to use old style drawing This is work in progress. Look is not final. This align data VBO data structure used for edti cage drawing to the one use for normal drawing. We no longer use barycentric coords to draw the lines an just rasterize line primitives for edge drawing. This is a bit slower than using the previous fast method but faster than the "correct" (edge artifact free) method. This also make the code way simpler. This also makes it possible to reuse possible and normal vbos used for shading if the edit cage matches the This also touches the UV batch code to share as much render data as possible. The code also prepare for edit cage "modified" drawing cage (with modifier applied) but is not enabled since selection and operators does not work with modified cage yet.
2019-02-04 01:13:51 +01:00
in vec4 finalColor;
# ifdef EDGE
flat in int selectOveride;
# endif
Edit Mesh Mode: Add a facing falloff effect This let the user keep track of the shape by fading the center of the object. An Opacity parameter is yet to be added.
2017-09-22 02:42:57 +02:00
#endif
Clay Engine: Edit mesh overlays Based on the previous overlay shader from merwin. This shader takes care of clipped vertex cases and do all edit mode face info in one pass (except face centers). As the shading is done one the triangle itself the visual can't go beyond the surface of the mesh. That leads to half displayed edges on the outline of the mesh. This problem can be fixed by a second pass. This is work in progress.
2017-02-26 21:07:37 +01:00
out vec4 FragColor;
void main()
{
Edit Mesh: Refactor Edit cage drawing to use old style drawing This is work in progress. Look is not final. This align data VBO data structure used for edti cage drawing to the one use for normal drawing. We no longer use barycentric coords to draw the lines an just rasterize line primitives for edge drawing. This is a bit slower than using the previous fast method but faster than the "correct" (edge artifact free) method. This also make the code way simpler. This also makes it possible to reuse possible and normal vbos used for shading if the edit cage matches the This also touches the UV batch code to share as much render data as possible. The code also prepare for edit cage "modified" drawing cage (with modifier applied) but is not enabled since selection and operators does not work with modified cage yet.
2019-02-04 01:13:51 +01:00
#if defined(EDGE) && !defined(FLAT)
vec4 prim_col = mix(colorEditMeshMiddle, colorEdgeSelect, finalColor.a);
prim_col = (selectOveride != 0) ? prim_col : finalColor;
prim_col.a = 1.0;
#else
# define prim_col finalColor
Edit Mode overlay: Moved Shaders to draw modules and resolved some draw issue. We don't want to clutter gpu_shader.c with engine specific code Added face's center dot Simplified loose vert shader
2017-03-02 01:07:03 +01:00
#endif
Edit Mesh: Fix some problem with new implementation - Add manual depth offset to vertices and edges. - Revert to plain edge decoration. - Fix active edge coloring. - Remove active face display if not in face selection mode. - Add wide line support.
2019-02-04 20:06:30 +01:00
FragColor = prim_col;
Clay Engine: Edit mesh overlays Based on the previous overlay shader from merwin. This shader takes care of clipped vertex cases and do all edit mode face info in one pass (except face centers). As the shading is done one the triangle itself the visual can't go beyond the surface of the mesh. That leads to half displayed edges on the outline of the mesh. This problem can be fixed by a second pass. This is work in progress.
2017-02-26 21:07:37 +01:00
}
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