Eevee: Shadows: Filtering improvement.

- Replace poisson by concentric samples: Less variance. They are sorted by radius then by angle.
- Separate filtering into 2 blur. First blur is 3x3 box blur. Second is user dependant.
- Group fetches by group of 4.

1 files changed, 4 insertions, 2 deletions

diff --git a/source/blender/draw/CMakeLists.txt b/source/blender/draw/CMakeLists.txt
index c9f0dedfbdd..8d05e61aaa6 100644
--- a/source/blender/draw/CMakeLists.txt
+++ b/source/blender/draw/CMakeLists.txt
@@ -117,11 +117,11 @@ data_to_c_simple(engines/clay/shaders/clay_particle_strand_frag.glsl SRC)
 data_to_c_simple(engines/clay/shaders/ssao_alchemy.glsl SRC)
 data_to_c_simple(engines/clay/shaders/ssao_groundtruth.glsl SRC)
 
+data_to_c_simple(engines/eevee/shaders/ambient_occlusion_lib.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/default_frag.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/default_world_frag.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/background_vert.glsl SRC)
-data_to_c_simple(engines/eevee/shaders/ambient_occlusion_lib.glsl SRC)
-data_to_c_simple(engines/eevee/shaders/effect_minmaxz_frag.glsl SRC)
+data_to_c_simple(engines/eevee/shaders/concentric_samples_lib.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/lamps_lib.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/lightprobe_lib.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/lightprobe_filter_glossy_frag.glsl SRC)
@@ -143,6 +143,7 @@ data_to_c_simple(engines/eevee/shaders/effect_dof_frag.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/effect_downsample_frag.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/effect_downsample_cube_frag.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/effect_gtao_frag.glsl SRC)
+data_to_c_simple(engines/eevee/shaders/effect_minmaxz_frag.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/effect_motion_blur_frag.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/effect_ssr_frag.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/lightprobe_planar_downsample_frag.glsl SRC)
@@ -154,6 +155,7 @@ data_to_c_simple(engines/eevee/shaders/shadow_frag.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/shadow_geom.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/shadow_vert.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/shadow_store_frag.glsl SRC)
+data_to_c_simple(engines/eevee/shaders/shadow_copy_frag.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/bsdf_lut_frag.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/btdf_lut_frag.glsl SRC)
 data_to_c_simple(engines/eevee/shaders/bsdf_direct_lib.glsl SRC)