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ReflectionProbe add Blend Distance

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This commit is contained in:
landervr
2024-12-03 12:08:36 +01:00
parent eb5103093c
commit 05010180ce
18 changed files with 128 additions and 10 deletions
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4
servers/rendering/renderer_rd/shaders/light_data_inc.glsl
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@@ -41,10 +41,14 @@ struct ReflectionData {
uint mask;
mediump vec3 ambient; // ambient color
mediump float intensity;
mediump float blend_distance;
bool exterior;
bool box_project;
uint ambient_mode;
float exposure_normalization;
float pad0;
float pad1;
float pad2;
//0-8 is intensity,8-9 is ambient, mode
highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
// notes: for ambientblend, use distance to edge to blend between already existing global environment

17
servers/rendering/renderer_rd/shaders/scene_forward_lights_inc.glsl
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@@ -876,11 +876,20 @@ void reflection_process(uint ref_index, vec3 vertex, vec3 ref_vec, vec3 normal,
}
vec3 inner_pos = abs(local_pos / box_extents);
float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
//make blend more rounded
blend = mix(length(inner_pos), blend, blend);
blend *= blend;
vec3 blend_axes = vec3(0.0, 0.0, 0.0);
float blend = 0.0;
if (reflections.data[ref_index].blend_distance != 0) {
for (int i = 0; i < 3; i++) {
float axis_blend_distance = min(reflections.data[ref_index].blend_distance, box_extents[i]);
blend_axes[i] = (inner_pos[i] * box_extents[i]) - box_extents[i] + axis_blend_distance;
blend_axes[i] = blend_axes[i] / axis_blend_distance;
blend_axes[i] = clamp(blend_axes[i], 0.0, 1.0);
}
blend = pow((1.0 - blend_axes.x) * (1.0 - blend_axes.y) * (1.0 - blend_axes.z), 2);
blend = 1 - blend;
}
blend = max(0.0, 1.0 - blend);
blend = clamp(blend, 0.0, 1.0);
if (reflections.data[ref_index].intensity > 0.0) { // compute reflection