[Bf-blender-cvs] [0f928c58416] blender-v2.83-release: Fix T80603 Workbench: Inverted alpha when rendering
Clément Foucault
noreply at git.blender.org
Wed Sep 16 14:39:17 CEST 2020
Commit: 0f928c5841671e119ad34c04cad5afc567414720
Author: Clément Foucault
Date: Mon Sep 14 11:59:58 2020 +0200
Branches: blender-v2.83-release
https://developer.blender.org/rB0f928c5841671e119ad34c04cad5afc567414720
Fix T80603 Workbench: Inverted alpha when rendering
The state of the passes was not set back after the first sample.
This is a simpler fix than rBecfbc5fb55d5 which needs the new draw manager
features from 2.90.
===================================================================
M source/blender/draw/engines/workbench/workbench_transparent.c
===================================================================
diff --git a/source/blender/draw/engines/workbench/workbench_transparent.c b/source/blender/draw/engines/workbench/workbench_transparent.c
index 39aa721a41c..1f51e02c3da 100644
--- a/source/blender/draw/engines/workbench/workbench_transparent.c
+++ b/source/blender/draw/engines/workbench/workbench_transparent.c
@@ -162,12 +162,15 @@ void workbench_transparent_draw_depth_pass(WORKBENCH_Data *data)
if (do_transparent_depth_pass) {
DRWState state = DRW_STATE_WRITE_COLOR | DRW_STATE_WRITE_DEPTH | DRW_STATE_DEPTH_LESS_EQUAL;
+ DRWState state_oit = DRW_STATE_WRITE_COLOR | DRW_STATE_DEPTH_LESS_EQUAL | DRW_STATE_BLEND_OIT;
if (!DRW_pass_is_empty(psl->transp_accum_ps)) {
GPU_framebuffer_bind(fbl->opaque_fb);
/* TODO(fclem) Disable writting to first two buffers. Unecessary waste of bandwidth. */
DRW_pass_state_set(psl->transp_accum_ps, state | wpd->cull_state | wpd->clip_state);
DRW_draw_pass(psl->transp_accum_ps);
+ /* Set the state back to original. */
+ DRW_pass_state_set(psl->transp_accum_ps, state_oit | wpd->cull_state | wpd->clip_state);
}
if (!DRW_pass_is_empty(psl->transp_accum_infront_ps)) {
@@ -175,6 +178,9 @@ void workbench_transparent_draw_depth_pass(WORKBENCH_Data *data)
/* TODO(fclem) Disable writting to first two buffers. Unecessary waste of bandwidth. */
DRW_pass_state_set(psl->transp_accum_infront_ps, state | wpd->cull_state | wpd->clip_state);
DRW_draw_pass(psl->transp_accum_infront_ps);
+ /* Set the state back to original. */
+ DRW_pass_state_set(psl->transp_accum_infront_ps,
+ state_oit | wpd->cull_state | wpd->clip_state);
}
}
}
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