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Scale shadow grid to multiple texels per grid cell to make it easier to examine

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This commit is contained in:
Imbris 2022-06-05 16:33:55 -04:00
parent 9b78d75f06
commit b7096d9f2e
1 changed files with 5 additions and 1 deletions
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6
assets/voxygen/shaders/terrain-frag.glsl
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@ -266,7 +266,11 @@ void main() {
vec3 two_up = f_pos + offset_two;
vec3 two_down = f_pos - offset_two;
vec2 shadowTexSize = textureSize(sampler2D(t_directed_shadow_maps, s_directed_shadow_maps), 0);
// Adjust this to change the size of the grid cells relative to the
// number of shadow texels
float grid_cell_to_texel_ratio = 32.0;
vec2 shadowTexSize = textureSize(sampler2D(t_directed_shadow_maps, s_directed_shadow_maps), 0) / grid_cell_to_texel_ratio;
vec4 one_up_shadow_tex = texture_mat * vec4(one_up, 1.0);
vec2 oust_snap = floor(one_up_shadow_tex.xy * shadowTexSize / one_up_shadow_tex.w);