Clément Foucault
f84414d6e1
This adds object motion blur vectors for EEVEE as well as better noise reduction for it. For TAA reprojection we just compute the motion vector on the fly based on camera motion and depth buffer. This makes possible to store another motion vector only for the blurring which is not useful for TAA history fetching. Motion Data is saved per object & per geometry if using deformation blur. We support deformation motion blur by saving previous VBO and modifying the actual GPUBatch for the geometry to include theses VBOs. We store Previous and Next frame motion in the same motion vector buffer (RG for prev and BA for next). This makes non linear motion blur (like rotating objects) less prone to outward/inward blur. We also improve the motion blur post process to expand outside the objects border. We use a tile base approach and the max size of the blur is set via a new render setting. We use a background reconstruction method that needs another setting (Background Separation). Sampling is done using a fixed 8 dithered samples per direction. The final render samples will clear the noise like other stochastic effects. One caveat is that hair particles are not yet supported. Support will come in another patch. Reviewed By: jbakker Differential Revision: https://developer.blender.org/D7297
115 lines
3.5 KiB
C++
115 lines
3.5 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright 2016, Blender Foundation.
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*/
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/** \file
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* \ingroup draw
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*/
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#ifndef __DRAW_CACHE_INLINE_H__
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#define __DRAW_CACHE_INLINE_H__
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#include "GPU_batch.h"
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#include "MEM_guardedalloc.h"
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/* Common */
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// #define DRW_DEBUG_MESH_CACHE_REQUEST
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#ifdef DRW_DEBUG_MESH_CACHE_REQUEST
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# define DRW_ADD_FLAG_FROM_VBO_REQUEST(flag, vbo, value) \
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(flag |= DRW_vbo_requested(vbo) ? (printf(" VBO requested " #vbo "\n") ? value : value) : 0)
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# define DRW_ADD_FLAG_FROM_IBO_REQUEST(flag, ibo, value) \
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(flag |= DRW_ibo_requested(ibo) ? (printf(" IBO requested " #ibo "\n") ? value : value) : 0)
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#else
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# define DRW_ADD_FLAG_FROM_VBO_REQUEST(flag, vbo, value) \
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(flag |= DRW_vbo_requested(vbo) ? (value) : 0)
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# define DRW_ADD_FLAG_FROM_IBO_REQUEST(flag, ibo, value) \
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(flag |= DRW_ibo_requested(ibo) ? (value) : 0)
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#endif
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/* Test and assign NULL if test fails */
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#define DRW_TEST_ASSIGN_VBO(v) (v = (DRW_vbo_requested(v) ? (v) : NULL))
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#define DRW_TEST_ASSIGN_IBO(v) (v = (DRW_ibo_requested(v) ? (v) : NULL))
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BLI_INLINE GPUBatch *DRW_batch_request(GPUBatch **batch)
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{
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/* XXX TODO(fclem): We are writing to batch cache here. Need to make this thread safe. */
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if (*batch == NULL) {
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*batch = MEM_callocN(sizeof(GPUBatch), "GPUBatch");
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}
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return *batch;
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}
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BLI_INLINE bool DRW_batch_requested(GPUBatch *batch, int prim_type)
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{
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/* Batch has been requested if it has been created but not initialized. */
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if (batch != NULL && batch->verts[0] == NULL) {
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/* HACK. We init without a valid VBO and let the first vbo binding
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* fill verts[0]. */
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GPU_batch_init_ex(batch, prim_type, (GPUVertBuf *)1, NULL, 0);
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batch->verts[0] = NULL;
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return true;
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}
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return false;
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}
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BLI_INLINE void DRW_ibo_request(GPUBatch *batch, GPUIndexBuf **ibo)
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{
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if (*ibo == NULL) {
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*ibo = MEM_callocN(sizeof(GPUIndexBuf), "GPUIndexBuf");
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}
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if (batch != NULL) {
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GPU_batch_vao_cache_clear(batch);
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batch->elem = *ibo;
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}
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}
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BLI_INLINE bool DRW_ibo_requested(GPUIndexBuf *ibo)
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{
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/* TODO do not rely on data uploaded. This prevents multithreading.
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* (need access to a gl context) */
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return (ibo != NULL && ibo->ibo_id == 0 && ibo->data == NULL);
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}
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BLI_INLINE void DRW_vbo_request(GPUBatch *batch, GPUVertBuf **vbo)
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{
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if (*vbo == NULL) {
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*vbo = MEM_callocN(sizeof(GPUVertBuf), "GPUVertBuf");
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}
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if (batch != NULL) {
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/* HACK set first vbo if not init. */
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if (batch->verts[0] == NULL) {
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GPU_batch_vao_cache_clear(batch);
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batch->verts[0] = *vbo;
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}
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else {
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/* HACK: bypass assert */
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int vbo_vert_len = (*vbo)->vertex_len;
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(*vbo)->vertex_len = batch->verts[0]->vertex_len;
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GPU_batch_vertbuf_add(batch, *vbo);
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(*vbo)->vertex_len = vbo_vert_len;
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}
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}
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}
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BLI_INLINE bool DRW_vbo_requested(GPUVertBuf *vbo)
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{
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return (vbo != NULL && vbo->format.attr_len == 0);
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}
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#endif /* __DRAW_CACHE_INLINE_H__ */
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