From 292685ea39b4e358c87412e41fb1504378ac23bf Mon Sep 17 00:00:00 2001 From: Jeroen Bakker Date: Mon, 25 Jan 2021 09:40:03 +0100 Subject: Fix T84878: Eevee cryptomatte broken with stereoscopy During multiview rendering the `cryptomatte_accum_buffer` is not cleared between the views and leaves artifacts on the next view to be rendered. This change clears the accum buffer when it already exists and will be reused for the next view. --- source/blender/draw/engines/eevee/eevee_cryptomatte.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'source/blender/draw/engines/eevee/eevee_cryptomatte.c') diff --git a/source/blender/draw/engines/eevee/eevee_cryptomatte.c b/source/blender/draw/engines/eevee/eevee_cryptomatte.c index 91a230e987c..90948d67895 100644 --- a/source/blender/draw/engines/eevee/eevee_cryptomatte.c +++ b/source/blender/draw/engines/eevee/eevee_cryptomatte.c @@ -161,6 +161,14 @@ void EEVEE_cryptomatte_output_init(EEVEE_ViewLayerData *UNUSED(sldata), g_data->cryptomatte_download_buffer = MEM_malloc_arrayN( sizeof(float), buffer_size * num_cryptomatte_layers, __func__); } + else { + /* During multiview rendering the `cryptomatte_accum_buffer` is deallocated after all views + * have been rendered. Clear it here to be reused by the next view. */ + memset(g_data->cryptomatte_accum_buffer, + 0, + buffer_size * eevee_cryptomatte_pixel_stride(view_layer) * + sizeof(EEVEE_CryptomatteSample)); + } DRW_texture_ensure_fullscreen_2d(&txl->cryptomatte, format, 0); GPU_framebuffer_ensure_config(&fbl->cryptomatte_fb, -- cgit v1.2.3