jyapayne/JFA_driven_motion_blur_demo
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improvements: smoother blur, better defaults

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sphynx-owner 2024-07-08 16:55:17 +03:00
commit 0d29da4911
7 changed files with 52 additions and 23 deletions
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36
MyJumpFloodIteration/jfp_backtracking_experimental.glsl
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@ -23,7 +23,7 @@ layout(push_constant, std430) uniform Params
float velocity_match_threshold;
float parallel_sensitivity;
float perpendicular_sensitivity;
float nan3;
float depth_match_threshold;
float nan4;
} params;
@ -144,6 +144,14 @@ vec4 get_backtracked_sample(vec2 uvn, vec2 chosen_uv, vec2 chosen_velocity, vec4
float general_velocity_multiplier = min(best_sample_fitness.y, max_dilation_radius);
vec2 best_uv = chosen_uv;
float best_velocity_match_threshold = params.velocity_match_threshold;
int initial_steps_to_compare = 2;
int steps_to_compare = initial_steps_to_compare;
for(int i = -step_count; i < step_count + 1; i++)
{
float velocity_multiplier = general_velocity_multiplier * (1 + float(i) / float(step_count));
@ -153,7 +161,7 @@ vec4 get_backtracked_sample(vec2 uvn, vec2 chosen_uv, vec2 chosen_velocity, vec4
continue;
}
vec2 new_sample = uvn - chosen_velocity * velocity_multiplier;
vec2 new_sample = round((uvn - chosen_velocity * velocity_multiplier) * render_size) / render_size;
if((new_sample.x < 0.) || (new_sample.x > 1.) || (new_sample.y < 0.) || (new_sample.y > 1.))
{
@ -162,11 +170,25 @@ vec4 get_backtracked_sample(vec2 uvn, vec2 chosen_uv, vec2 chosen_velocity, vec4
vec2 velocity_test = textureLod(velocity_sampler, new_sample, 0.0).xy;
if(get_motion_difference(chosen_velocity, velocity_test, params.parallel_sensitivity, params.perpendicular_sensitivity) <= params.velocity_match_threshold)
float depth_test = textureLod(depth_sampler, new_sample, 0.0).x;
float velocity_match = get_motion_difference(chosen_velocity, velocity_test, params.parallel_sensitivity, params.perpendicular_sensitivity);
if((abs(depth_test - npd / best_sample_fitness.z) < params.depth_match_threshold) && (velocity_match <= best_velocity_match_threshold))
{
chosen_uv = new_sample;
best_sample_fitness.x = velocity_multiplier;
return vec4(chosen_uv, best_sample_fitness.x, 0);
best_uv = new_sample;
if(steps_to_compare == 0)
{
chosen_uv = best_uv;
best_velocity_match_threshold = velocity_match;
return vec4(chosen_uv, 0, 0);
}
steps_to_compare--;
}
else if(initial_steps_to_compare > steps_to_compare)
{
chosen_uv = best_uv;
return vec4(chosen_uv, 0, 0);
}
}
@ -181,7 +203,7 @@ void main()
{
return;
}
vec2 uvn = (vec2(uvi) + vec2(0.5)) / render_size;
vec2 uvn = (vec2(uvi)) / render_size;
int iteration_index = params.iteration_index;