diff options
author | Jeroen Bakker <jbakker> | 2020-02-20 16:53:53 +0300 |
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committer | Jeroen Bakker <jeroen@blender.org> | 2020-02-21 13:13:43 +0300 |
commit | be2bc97eba499c48e3856c8e5ec4d869e28b4d04 (patch) | |
tree | 41d8d8fd5ec205e5fa00628aaf0f1603cb5e7825 /source/blender/draw/engines/eevee/eevee_effects.c | |
parent | 1f8f4c8cfeaf02754f3259f9eb811ada0ed3499e (diff) |
EEVEE: Render Passes
This patch adds new render passes to EEVEE. These passes include:
* Emission
* Diffuse Light
* Diffuse Color
* Glossy Light
* Glossy Color
* Environment
* Volume Scattering
* Volume Transmission
* Bloom
* Shadow
With these passes it will be possible to use EEVEE effectively for
compositing. During development we kept a close eye on how to get similar
results compared to cycles render passes there are some differences that
are related to how EEVEE works. For EEVEE we combined the passes to
`Diffuse` and `Specular`. There are no transmittance or sss passes anymore.
Cycles will be changed accordingly.
Cycles volume transmittance is added to multiple surface col passes. For
EEVEE we left the volume transmittance as a separate pass.
Known Limitations
* All materials that use alpha blending will not be rendered in the render
passes. Other transparency modes are supported.
* More GPU memory is required to store the render passes. When rendering
a HD image with all render passes enabled at max extra 570MB GPU memory is
required.
Implementation Details
An overview of render passes have been described in
https://wiki.blender.org/wiki/Source/Render/EEVEE/RenderPasses
Future Developments
* In this implementation the materials are re-rendered for Diffuse/Glossy
and Emission passes. We could use multi target rendering to improve the
render speed.
* Other passes can be added later
* Don't render material based passes when only requesting AO or Shadow.
* Add more passes to the system. These could include Cryptomatte, AOV's, Vector,
ObjectID, MaterialID, UV.
Reviewed By: Clément Foucault
Differential Revision: https://developer.blender.org/D6331
Diffstat (limited to 'source/blender/draw/engines/eevee/eevee_effects.c')
-rw-r--r-- | source/blender/draw/engines/eevee/eevee_effects.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/source/blender/draw/engines/eevee/eevee_effects.c b/source/blender/draw/engines/eevee/eevee_effects.c index a20921b639f..90bfad45f60 100644 --- a/source/blender/draw/engines/eevee/eevee_effects.c +++ b/source/blender/draw/engines/eevee/eevee_effects.c @@ -170,7 +170,7 @@ void EEVEE_effects_init(EEVEE_ViewLayerData *sldata, EEVEE_subsurface_init(sldata, vedata); /* Force normal buffer creation. */ - if (!minimal && (stl->g_data->render_passes & SCE_PASS_NORMAL) != 0) { + if (!minimal && (stl->g_data->render_passes & EEVEE_RENDER_PASS_NORMAL) != 0) { effects->enabled_effects |= EFFECT_NORMAL_BUFFER; } @@ -333,6 +333,8 @@ void EEVEE_effects_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata) grp = DRW_shgroup_create(EEVEE_shaders_velocity_resolve_sh_get(), psl->velocity_resolve); DRW_shgroup_uniform_texture_ref(grp, "depthBuffer", &e_data.depth_src); DRW_shgroup_uniform_block(grp, "common_block", sldata->common_ubo); + DRW_shgroup_uniform_block( + grp, "renderpass_block", EEVEE_material_default_render_pass_ubo_get(sldata)); DRW_shgroup_uniform_mat4(grp, "currPersinv", effects->velocity_curr_persinv); DRW_shgroup_uniform_mat4(grp, "pastPersmat", effects->velocity_past_persmat); DRW_shgroup_call(grp, quad, NULL); @@ -513,7 +515,7 @@ static void EEVEE_velocity_resolve(EEVEE_Data *vedata) DRW_view_persmat_get(view, effects->velocity_past_persmat, false); } -void EEVEE_draw_effects(EEVEE_ViewLayerData *UNUSED(sldata), EEVEE_Data *vedata) +void EEVEE_draw_effects(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata) { EEVEE_TextureList *txl = vedata->txl; EEVEE_FramebufferList *fbl = vedata->fbl; @@ -541,6 +543,10 @@ void EEVEE_draw_effects(EEVEE_ViewLayerData *UNUSED(sldata), EEVEE_Data *vedata) EEVEE_temporal_sampling_draw(vedata); EEVEE_bloom_draw(vedata); + /* Post effect render passes are done here just after the drawing of the effects and just before + * the swapping of the buffers. */ + EEVEE_renderpasses_output_accumulate(sldata, vedata, true); + /* Save the final texture and framebuffer for final transformation or read. */ effects->final_tx = effects->source_buffer; effects->final_fb = (effects->target_buffer != fbl->main_color_fb) ? fbl->main_fb : |