[Bf-blender-cvs] [8ed0161aa72] blender2.8: Eevee: Implement new LTC algorithm for Sphere Lights.
Clément Foucault
noreply at git.blender.org
Thu Jan 18 22:43:16 CET 2018
Commit: 8ed0161aa72b57e63f3edbac76884af90b6719a0
Author: Clément Foucault
Date: Thu Jan 18 16:19:04 2018 +0100
Branches: blender2.8
https://developer.blender.org/rB8ed0161aa72b57e63f3edbac76884af90b6719a0
Eevee: Implement new LTC algorithm for Sphere Lights.
This is an improvement on the old spining quad method that was giving artifacts when the reflection ray was nearly aligned with the sphere center.
This might be a bit heavier but it's worth it.
===================================================================
M source/blender/draw/engines/clay/clay_engine.c
M source/blender/draw/engines/eevee/eevee_lut.h
M source/blender/draw/engines/eevee/eevee_materials.c
M source/blender/draw/engines/eevee/shaders/bsdf_common_lib.glsl
M source/blender/draw/engines/eevee/shaders/bsdf_direct_lib.glsl
M source/blender/draw/engines/eevee/shaders/ltc_lib.glsl
===================================================================
diff --git a/source/blender/draw/engines/clay/clay_engine.c b/source/blender/draw/engines/clay/clay_engine.c
index 9f9ebd692b9..fcd9353bf1f 100644
--- a/source/blender/draw/engines/clay/clay_engine.c
+++ b/source/blender/draw/engines/clay/clay_engine.c
@@ -317,7 +317,7 @@ static struct GPUTexture *create_jitter_texture(int num_samples)
jitter[i][2] = bn * num_samples_inv;
}
- UNUSED_VARS(bsdf_split_sum_ggx, btdf_split_sum_ggx, ltc_mag_ggx, ltc_mat_ggx);
+ UNUSED_VARS(bsdf_split_sum_ggx, btdf_split_sum_ggx, ltc_mag_ggx, ltc_mat_ggx, ltc_disk_integral);
return DRW_texture_create_2D(64, 64, DRW_TEX_RGB_16, DRW_TEX_FILTER | DRW_TEX_WRAP, &jitter[0][0]);
}
diff --git a/source/blender/draw/engines/eevee/eevee_lut.h b/source/blender/draw/engines/eevee/eevee_lut.h
index d706110351e..3c2ffeb11a7 100644
--- a/source/blender/draw/engines/eevee/eevee_lut.h
+++ b/source/blender/draw/engines/eevee/eevee_lut.h
@@ -3345,6 +3345,521 @@ static float bsdf_split_sum_ggx[64 * 64 * 2] = {
0.626953f, 0.023544f, 0.616699f, 0.022186f, 0.605957f, 0.020920f, 0.594727f, 0.019730f
};
+static float ltc_disk_integral[64 * 64] = {
+ 0.000000f, 0.000000f, 0.000000f, 0.000000f, 0.000000f, 0.000000f, 0.000000f, 0.000000f,
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+ 0.280753f, 0.3
@@ Diff output truncated at 10240 characters. @@
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