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Fix related to T55961: Glitch in selecting loose edges on some AMD drives.

This commit is contained in:
Germano Cavalcante 2018-10-15 09:54:24 -03:00
parent c2afa3ef46
commit 22814ca555
1 changed files with 22 additions and 2 deletions
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24
source/blender/draw/modes/shaders/edit_mesh_overlay_geom_edge.glsl
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@ -30,6 +30,15 @@ out float facing;
/* See fragment shader */
flat out vec2 ssPos[3];
/* Some bugged AMD drivers need these global variables. See T55961 */
#ifdef VERTEX_SELECTION
vec3 vertex_color[3];
#endif
#ifdef VERTEX_FACING
float v_facing[3];
#endif
/* project to screen space */
vec2 proj(vec4 pos)
{
@ -39,11 +48,11 @@ vec2 proj(vec4 pos)
void doVertex(int v, vec4 pos)
{
#ifdef VERTEX_SELECTION
vertexColor = EDIT_MESH_vertex_color(vData[v].x).rgb;
vertexColor = vertex_color[v];
#endif
#ifdef VERTEX_FACING
facing = vFacing[v];
facing = v_facing[v];
#endif
gl_Position = pos;
@ -80,6 +89,17 @@ void main()
dirs2 *= pPos[1].w;
}
#ifdef VERTEX_SELECTION
vertex_color[0] = EDIT_MESH_vertex_color(vData[0].x).rgb;
vertex_color[1] = EDIT_MESH_vertex_color(vData[1].x).rgb;
#endif
#ifdef VERTEX_FACING
/* Weird but some buggy AMD drivers need this. */
v_facing[0] = vFacing[0];
v_facing[1] = vFacing[1];
#endif
/* Edge / Vert data */
ssPos[0] = ssPos[2] = pos[0];
ssPos[1] = pos[1];