Fix T77803: IK Degrees of freedom drawing glitch

Forgot to update the lineOutput what resulted in that the sphere was not
rendered on all platforms.

Reviewed By: Clément Foucault

Differential Revision: https://developer.blender.org/D8098

3 files changed, 14 insertions, 1 deletions

diff --git a/source/blender/draw/CMakeLists.txt b/source/blender/draw/CMakeLists.txt
index 0214a8e1887..7ef875f4d4c 100644
--- a/source/blender/draw/CMakeLists.txt
+++ b/source/blender/draw/CMakeLists.txt
@@ -309,6 +309,7 @@ data_to_c_simple(engines/basic/shaders/conservative_depth_frag.glsl SRC)
 data_to_c_simple(engines/overlay/shaders/antialiasing_frag.glsl SRC)
 data_to_c_simple(engines/overlay/shaders/antialiasing_vert.glsl SRC)
 data_to_c_simple(engines/overlay/shaders/armature_dof_vert.glsl SRC)
+data_to_c_simple(engines/overlay/shaders/armature_dof_solid_frag.glsl SRC)
 data_to_c_simple(engines/overlay/shaders/armature_envelope_outline_vert.glsl SRC)
 data_to_c_simple(engines/overlay/shaders/armature_envelope_solid_frag.glsl SRC)
 data_to_c_simple(engines/overlay/shaders/armature_envelope_solid_vert.glsl SRC)
diff --git a/source/blender/draw/engines/overlay/overlay_shader.c b/source/blender/draw/engines/overlay/overlay_shader.c
index ddb1a523140..edf91c99531 100644
--- a/source/blender/draw/engines/overlay/overlay_shader.c
+++ b/source/blender/draw/engines/overlay/overlay_shader.c
@@ -31,6 +31,7 @@
 extern char datatoc_antialiasing_frag_glsl[];
 extern char datatoc_antialiasing_vert_glsl[];
 extern char datatoc_armature_dof_vert_glsl[];
+extern char datatoc_armature_dof_solid_frag_glsl[];
 extern char datatoc_armature_envelope_distance_frag_glsl[];
 extern char datatoc_armature_envelope_outline_vert_glsl[];
 extern char datatoc_armature_envelope_solid_frag_glsl[];
@@ -507,7 +508,7 @@ GPUShader *OVERLAY_shader_armature_degrees_of_freedom_solid(void)
                                  datatoc_armature_dof_vert_glsl,
                                  NULL},
         .frag = (const char *[]){datatoc_common_view_lib_glsl,
-                                 datatoc_gpu_shader_flat_color_frag_glsl,
+                                 datatoc_armature_dof_solid_frag_glsl,
                                  NULL},
         .defs = (const char *[]){sh_cfg->def, NULL},
     });
diff --git a/source/blender/draw/engines/overlay/shaders/armature_dof_solid_frag.glsl b/source/blender/draw/engines/overlay/shaders/armature_dof_solid_frag.glsl
new file mode 100644
index 00000000000..e511aab69c1
--- /dev/null
+++ b/source/blender/draw/engines/overlay/shaders/armature_dof_solid_frag.glsl
@@ -0,0 +1,11 @@
+
+flat in vec4 finalColor;
+
+layout(location = 0) out vec4 fragColor;
+layout(location = 1) out vec4 lineOutput;
+
+void main()
+{
+  fragColor = finalColor;
+  lineOutput = vec4(0.0);
+}