archive/blender-archive
Archived
1
1
Fork 0
Code Pull Requests Packages Activity

Fix T62792: AMD glitch when clipping region in edit mode.

Browse Source 
The `AMD Radeon HD 7600M` compiler is usually buggy for Geometry Shaders.
In this case, indexing was causing problems in `gl_in[i].gl_ClipDistance[0]`.

Reviewers: fclem

Differential Revision: https://developer.blender.org/D4700
This commit is contained in:
Germano Cavalcante
2019-04-18 09:37:07 -03:00
parent dc8dd24351
commit f41ab375f3
1 changed files with 7 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
source/blender/draw/modes/shaders/edit_mesh_overlay_geom.glsl
View File

@@ -20,9 +20,6 @@ void do_vertex(const int i, vec4 pos, float coord, vec2 offset)
gl_Position = pos; gl_Position = pos;
/* Multiply offset by 2 because gl_Position range is [-1..1]. */ /* Multiply offset by 2 because gl_Position range is [-1..1]. */
gl_Position.xy += offset * 2.0 * pos.w; gl_Position.xy += offset * 2.0 * pos.w;
#ifdef USE_WORLD_CLIP_PLANES
world_clip_planes_set_clip_distance(gl_in[i].gl_ClipDistance);
#endif
EmitVertex(); EmitVertex();
} }
@@ -70,8 +67,15 @@ void main()
bool horizontal = line.x > line.y; bool horizontal = line.x > line.y;
edge_ofs = (horizontal) ? edge_ofs.zyz : edge_ofs.xzz; edge_ofs = (horizontal) ? edge_ofs.zyz : edge_ofs.xzz;
#ifdef USE_WORLD_CLIP_PLANES
world_clip_planes_set_clip_distance(gl_in[0].gl_ClipDistance);
#endif
do_vertex(0, pos0, half_size, edge_ofs.xy); do_vertex(0, pos0, half_size, edge_ofs.xy);
do_vertex(0, pos0, -half_size, -edge_ofs.xy); do_vertex(0, pos0, -half_size, -edge_ofs.xy);
#ifdef USE_WORLD_CLIP_PLANES
world_clip_planes_set_clip_distance(gl_in[1].gl_ClipDistance);
#endif
do_vertex(1, pos1, half_size, edge_ofs.xy); do_vertex(1, pos1, half_size, edge_ofs.xy);
do_vertex(1, pos1, -half_size, -edge_ofs.xy); do_vertex(1, pos1, -half_size, -edge_ofs.xy);