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Wireframe: Fix Artifacts with MSAA

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We blit the depth buffer into the MSAA depth buffer so that wires are
properly occluded. This also makes the "In front" option work with MSAA.
This commit is contained in:
Clément Foucault
2019-02-13 14:58:29 +01:00
parent 9c49c2ef0c
commit 7a8a2211d1
1 changed files with 14 additions and 0 deletions
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14
source/blender/draw/modes/overlay_mode.c
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@@ -379,8 +379,22 @@ static void overlay_draw_scene(void *vedata)
MULTISAMPLE_SYNC_ENABLE(dfbl, dtxl);
if (dfbl->multisample_fb != NULL) {
DRW_stats_query_start("Multisample Blit");
GPU_framebuffer_bind(dfbl->multisample_fb);
GPU_framebuffer_clear_color(dfbl->multisample_fb, (const float[4]){0.0f});
/* Special blit: we need the original depth and stencil
* in the Multisample buffer. */
GPU_framebuffer_blit(dfbl->default_fb, 0,
dfbl->multisample_fb, 0,
GPU_DEPTH_BIT | GPU_STENCIL_BIT);
DRW_stats_query_end();
}
DRW_draw_pass(psl->face_wireframe_pass);
/* TODO(fclem): find a way to unify the multisample pass together
* (non meshes + armature + wireframe) */
MULTISAMPLE_SYNC_DISABLE(dfbl, dtxl);
}