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| author | x2048 <codeforsmile@gmail.com> | 2023-03-11 13:49:40 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-03-11 13:49:40 +0100 |
| commit | 1de8a1e962098b94154111c7aafe18c4aab74fc9 (patch) | |
| tree | a63ae3f1b81d691b71fb73f4f61f2b9302351858 | |
| parent | ad41d0af9d80568e50aac2c9512dcb8ca4f10060 (diff) | |
| download | minetest-1de8a1e962098b94154111c7aafe18c4aab74fc9.tar.xz | |
Fix missing shadows when sun tilt is zero
4 files changed, 4 insertions, 4 deletions
diff --git a/client/shaders/nodes_shader/opengl_fragment.glsl b/client/shaders/nodes_shader/opengl_fragment.glsl index 1f7d98069..d26806fb0 100644 --- a/client/shaders/nodes_shader/opengl_fragment.glsl +++ b/client/shaders/nodes_shader/opengl_fragment.glsl @@ -392,7 +392,7 @@ void main(void) float distance_rate = (1.0 - pow(clamp(2.0 * length(posLightSpace.xy - 0.5),0.0,1.0), 10.0)); if (max(abs(posLightSpace.x - 0.5), abs(posLightSpace.y - 0.5)) > 0.5) distance_rate = 0.0; - float f_adj_shadow_strength = max(adj_shadow_strength-mtsmoothstep(0.9,1.1, posLightSpace.z),0.0); + float f_adj_shadow_strength = max(adj_shadow_strength - mtsmoothstep(0.9, 1.1, posLightSpace.z),0.0); if (distance_rate > 1e-7) { diff --git a/client/shaders/nodes_shader/opengl_vertex.glsl b/client/shaders/nodes_shader/opengl_vertex.glsl index a00deb660..47f79d68f 100644 --- a/client/shaders/nodes_shader/opengl_vertex.glsl +++ b/client/shaders/nodes_shader/opengl_vertex.glsl @@ -241,7 +241,7 @@ void main(void) float pFactor = getPerspectiveFactor(getRelativePosition(m_ShadowViewProj * mWorld * shadow_pos)); if (f_normal_length > 0.0) { nNormal = normalize(vNormal); - cosLight = dot(nNormal, -v_LightDirection); + cosLight = max(1e-5, dot(nNormal, -v_LightDirection)); float sinLight = pow(1 - pow(cosLight, 2.0), 0.5); normalOffsetScale = 2.0 * pFactor * pFactor * sinLight * min(f_shadowfar, 500.0) / xyPerspectiveBias1 / f_textureresolution; diff --git a/client/shaders/object_shader/opengl_fragment.glsl b/client/shaders/object_shader/opengl_fragment.glsl index 662d0c865..4e80e7fbc 100644 --- a/client/shaders/object_shader/opengl_fragment.glsl +++ b/client/shaders/object_shader/opengl_fragment.glsl @@ -393,7 +393,7 @@ void main(void) float distance_rate = (1.0 - pow(clamp(2.0 * length(posLightSpace.xy - 0.5),0.0,1.0), 10.0)); if (max(abs(posLightSpace.x - 0.5), abs(posLightSpace.y - 0.5)) > 0.5) distance_rate = 0.0; - float f_adj_shadow_strength = max(adj_shadow_strength-mtsmoothstep(0.9,1.1, posLightSpace.z),0.0); + float f_adj_shadow_strength = max(adj_shadow_strength - mtsmoothstep(0.9, 1.1, posLightSpace.z),0.0); if (distance_rate > 1e-7) { diff --git a/client/shaders/object_shader/opengl_vertex.glsl b/client/shaders/object_shader/opengl_vertex.glsl index dc9c70cdf..4a28ff714 100644 --- a/client/shaders/object_shader/opengl_vertex.glsl +++ b/client/shaders/object_shader/opengl_vertex.glsl @@ -146,7 +146,7 @@ void main(void) float pFactor = getPerspectiveFactor(getRelativePosition(m_ShadowViewProj * mWorld * inVertexPosition)); if (f_normal_length > 0.0) { nNormal = normalize(vNormal); - cosLight = dot(nNormal, -v_LightDirection); + cosLight = max(1e-5, dot(nNormal, -v_LightDirection)); float sinLight = pow(1 - pow(cosLight, 2.0), 0.5); normalOffsetScale = 0.1 * pFactor * pFactor * sinLight * min(f_shadowfar, 500.0) / xyPerspectiveBias1 / f_textureresolution; |