diff options
| -rw-r--r-- | modules/lightmapper_rd/lm_common_inc.glsl | 4 | ||||
| -rw-r--r-- | modules/lightmapper_rd/lm_raster.glsl | 12 |
2 files changed, 15 insertions, 1 deletions
diff --git a/modules/lightmapper_rd/lm_common_inc.glsl b/modules/lightmapper_rd/lm_common_inc.glsl index 22172d50e4..58523dc1f8 100644 --- a/modules/lightmapper_rd/lm_common_inc.glsl +++ b/modules/lightmapper_rd/lm_common_inc.glsl @@ -81,3 +81,7 @@ layout(set = 0, binding = 8) uniform texture2DArray albedo_tex; layout(set = 0, binding = 9) uniform texture2DArray emission_tex; layout(set = 0, binding = 10) uniform sampler linear_sampler; + +// Fragment action constants +const uint FA_NONE = 0; +const uint FA_SMOOTHEN_POSITION = 1; diff --git a/modules/lightmapper_rd/lm_raster.glsl b/modules/lightmapper_rd/lm_raster.glsl index 55ca193cc1..a86968a4f3 100644 --- a/modules/lightmapper_rd/lm_raster.glsl +++ b/modules/lightmapper_rd/lm_raster.glsl @@ -12,6 +12,7 @@ layout(location = 2) out vec2 uv_interp; layout(location = 3) out vec3 barycentric; layout(location = 4) flat out uvec3 vertex_indices; layout(location = 5) flat out vec3 face_normal; +layout(location = 6) flat out uint fragment_action; layout(push_constant, binding = 0, std430) uniform Params { vec2 atlas_size; @@ -49,6 +50,14 @@ void main() { face_normal = -normalize(cross((vertices.data[vertex_indices.x].position - vertices.data[vertex_indices.y].position), (vertices.data[vertex_indices.x].position - vertices.data[vertex_indices.z].position))); + { + const float FLAT_THRESHOLD = 0.99; + const vec3 norm_a = vec3(vertices.data[vertex_indices.x].normal_xy, vertices.data[vertex_indices.x].normal_z); + const vec3 norm_b = vec3(vertices.data[vertex_indices.y].normal_xy, vertices.data[vertex_indices.y].normal_z); + const vec3 norm_c = vec3(vertices.data[vertex_indices.z].normal_xy, vertices.data[vertex_indices.z].normal_z); + fragment_action = (dot(norm_a, norm_b) < FLAT_THRESHOLD || dot(norm_a, norm_c) < FLAT_THRESHOLD || dot(norm_b, norm_c) < FLAT_THRESHOLD) ? FA_SMOOTHEN_POSITION : FA_NONE; + } + gl_Position = vec4((uv_interp + params.uv_offset) * 2.0 - 1.0, 0.0001, 1.0); } @@ -78,6 +87,7 @@ layout(location = 2) in vec2 uv_interp; layout(location = 3) in vec3 barycentric; layout(location = 4) in flat uvec3 vertex_indices; layout(location = 5) in flat vec3 face_normal; +layout(location = 6) in flat uint fragment_action; layout(location = 0) out vec4 position; layout(location = 1) out vec4 normal; @@ -86,7 +96,7 @@ layout(location = 2) out vec4 unocclude; void main() { vec3 vertex_pos = vertex_interp; - { + if (fragment_action == FA_SMOOTHEN_POSITION) { // smooth out vertex position by interpolating its projection in the 3 normal planes (normal plane is created by vertex pos and normal) // because we don't want to interpolate inwards, normals found pointing inwards are pushed out. vec3 pos_a = vertices.data[vertex_indices.x].position; |