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Edit Mesh: Fix wire opacity when not rotating the view in Xray mode

This commit is contained in:
Clément Foucault 2018-11-04 20:01:25 +01:00
parent 3927fbf98e
commit 050e91340d
3 changed files with 15 additions and 11 deletions
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10
source/blender/draw/modes/edit_mesh_mode.c
View File

@ -336,7 +336,7 @@ static void EDIT_MESH_engine_init(void *vedata)
}
static DRWPass *edit_mesh_create_overlay_pass(
float *face_alpha, float *edge_width_scale, int *data_mask, bool do_edges,
float *face_alpha, float *edge_width_scale, int *data_mask, bool do_edges, bool xray,
DRWState statemod,
DRWShadingGroup **r_face_shgrp, DRWShadingGroup **r_verts_shgrp, DRWShadingGroup **r_ledges_shgrp,
DRWShadingGroup **r_lverts_shgrp, DRWShadingGroup **r_facedot_shgrp)
@ -346,6 +346,7 @@ static DRWPass *edit_mesh_create_overlay_pass(
RegionView3D *rv3d = draw_ctx->rv3d;
Scene *scene = draw_ctx->scene;
ToolSettings *tsettings = scene->toolsettings;
const int fast_mode = rv3d->rflag & RV3D_NAVIGATING;
ledge_sh = EDIT_MESH_ensure_shader(tsettings, rv3d, false, true);
tri_sh = EDIT_MESH_ensure_shader(tsettings, rv3d, true, false);
@ -361,6 +362,9 @@ static DRWPass *edit_mesh_create_overlay_pass(
DRW_shgroup_uniform_float(*r_face_shgrp, "edgeScale", edge_width_scale, 1);
DRW_shgroup_uniform_ivec4(*r_face_shgrp, "dataMask", data_mask, 1);
DRW_shgroup_uniform_bool_copy(*r_face_shgrp, "doEdges", do_edges);
if (!fast_mode) {
DRW_shgroup_uniform_bool_copy(*r_face_shgrp, "isXray", xray);
}
*r_ledges_shgrp = DRW_shgroup_create(ledge_sh, pass);
DRW_shgroup_uniform_block(*r_ledges_shgrp, "globalsBlock", globals_ubo);
@ -512,7 +516,7 @@ static void EDIT_MESH_cache_init(void *vedata)
if (!stl->g_data->do_zbufclip) {
psl->edit_face_overlay = edit_mesh_create_overlay_pass(
&face_mod, &stl->g_data->edge_width_scale, stl->g_data->data_mask, stl->g_data->do_edges,
&face_mod, &stl->g_data->edge_width_scale, stl->g_data->data_mask, stl->g_data->do_edges, false,
DRW_STATE_DEPTH_LESS_EQUAL | DRW_STATE_BLEND,
&stl->g_data->face_overlay_shgrp,
&stl->g_data->verts_overlay_shgrp,
@ -523,7 +527,7 @@ static void EDIT_MESH_cache_init(void *vedata)
else {
/* We render all wires with depth and opaque to a new fbo and blend the result based on depth values */
psl->edit_face_occluded = edit_mesh_create_overlay_pass(
&zero, &stl->g_data->edge_width_scale, stl->g_data->data_mask, stl->g_data->do_edges,
&zero, &stl->g_data->edge_width_scale, stl->g_data->data_mask, stl->g_data->do_edges, true,
DRW_STATE_DEPTH_LESS_EQUAL | DRW_STATE_WRITE_DEPTH,
&stl->g_data->face_occluded_shgrp,
&stl->g_data->verts_occluded_shgrp,

13
source/blender/draw/modes/shaders/edit_mesh_overlay_frag.glsl
View File

@ -4,6 +4,7 @@
uniform float faceAlphaMod;
uniform float edgeScale;
uniform bool isXray = false;
flat in vec3 edgesCrease;
flat in vec3 edgesBweight;
@ -31,9 +32,7 @@ out vec4 FragColor;
#define LARGE_EDGE_SIZE 2.15
/* Enough to visually fill gaps and not enough to mess the AA gradient too much. */
#define EDGE_FIX_ALPHA 0.6
/* Style Parameters in pixel */
#define EDGE_FIX_ALPHA 0.67
void distToEdgesAndPoints(out vec3 edges, out vec3 points)
{
@ -107,7 +106,7 @@ void main()
vec4 large_edge_color = EDIT_MESH_edge_color_outer(flag[v], (flag[0] & FACE_ACTIVE_) != 0, edgesCrease[v], edgesBweight[v]);
#ifdef EDGE_FIX
large_edge_color *= EDGE_FIX_ALPHA;
large_edge_color *= isXray ? 1.0 : EDGE_FIX_ALPHA;
#endif
if (large_edge_color.a != 0.0) {
colorDistEdge(large_edge_color, largeEdge);
@ -122,13 +121,13 @@ void main()
#ifdef VERTEX_SELECTION
vec4 inner_edge_color = vec4(vertexColor, 1.0);
# ifdef EDGE_FIX
inner_edge_color *= EDGE_FIX_ALPHA;
inner_edge_color *= isXray ? 1.0 : EDGE_FIX_ALPHA;
# endif
colorDistEdge(vec4(vertexColor, 1.0), innerEdge);
#else
vec4 inner_edge_color = EDIT_MESH_edge_color_inner(flag[v], (flag[0] & FACE_ACTIVE_) != 0);
# ifdef EDGE_FIX
inner_edge_color *= EDGE_FIX_ALPHA;
inner_edge_color *= isXray ? 1.0 : EDGE_FIX_ALPHA;
# endif
colorDistEdge(inner_edge_color, innerEdge);
#endif
@ -148,7 +147,7 @@ void main()
point_color = ((flag[v] & EDGE_VERTEX_SELECTED) != 0) ? colorVertexSelect : point_color;
point_color = ((flag[v] & EDGE_VERTEX_ACTIVE) != 0) ? vec4(colorEditMeshActive.xyz, 1.0) : point_color;
# ifdef EDGE_FIX
point_color.a *= EDGE_FIX_ALPHA;
point_color *= isXray ? 1.0 : EDGE_FIX_ALPHA;
# endif
colorDist(point_color, size);
}

3
source/blender/draw/modes/shaders/edit_mesh_overlay_geom_tri.glsl
View File

@ -13,6 +13,7 @@ layout(triangle_strip, max_vertices=12) out;
uniform mat4 ProjectionMatrix;
uniform vec2 viewportSize;
uniform bool isXray = false;
in vec4 pPos[];
in ivec4 vData[];
@ -181,7 +182,7 @@ void main()
/* Do face triangle */
faceColor = fcol;
flag = eflag;
flag = (isXray) ? ivec3(0) : eflag;
doVertex(2);
faceColor.a = 0.0; /* to not let face color bleed */