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Fix T79213 EEVEE: rendering with motion blur can change current frame 

It seems to be expected that the render engine reset to the right CFRA
if it modifies it.
This commit is contained in:
Clément Foucault 2020-08-03 22:08:43 +02:00
parent 3ebe97c06b
commit 3a522f7a7f
1 changed files with 6 additions and 0 deletions
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6
source/blender/draw/engines/eevee/eevee_engine.c
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@ -459,6 +459,7 @@ static void eevee_render_to_image(void *vedata,
}
EEVEE_PrivateData *g_data = ved->stl->g_data;
int initial_frame = CFRA;
int steps = max_ii(1, scene->eevee.motion_blur_steps);
int time_steps_tot = (do_motion_blur) ? steps : 1;
g_data->render_tot_samples = divide_ceil_u(scene->eevee.taa_render_samples, time_steps_tot);
@ -558,6 +559,11 @@ static void eevee_render_to_image(void *vedata,
/* Restore original viewport size. */
DRW_render_viewport_size_set((int[2]){g_data->size_orig[0], g_data->size_orig[1]});
if (CFRA != initial_frame) {
/* Restore original frame number. This is because the render pipeline expects it. */
RE_engine_frame_set(engine, initial_frame, 0.0f);
}
}
static void eevee_engine_free(void)