diff options
Diffstat (limited to 'source/blender/draw/engines/eevee/shaders/shadow_vert.glsl')
| -rw-r--r-- | source/blender/draw/engines/eevee/shaders/shadow_vert.glsl | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/source/blender/draw/engines/eevee/shaders/shadow_vert.glsl b/source/blender/draw/engines/eevee/shaders/shadow_vert.glsl index 5295a05b965..2926f8c5a89 100644 --- a/source/blender/draw/engines/eevee/shaders/shadow_vert.glsl +++ b/source/blender/draw/engines/eevee/shaders/shadow_vert.glsl @@ -65,6 +65,22 @@ vec3 attr_load_orco(samplerBuffer cd_buf) } # endif +/* Per attribute scope follows loading order. */ +int g_curves_attr_id = 0; + +/* Return the index to use for looking up the attribute value in the sampler + * based on the attribute scope (point or spline). */ +int curves_attribute_element_id() +{ + int id = hairStrandID; + if (drw_curves.is_point_attribute[g_curves_attr_id] != 0) { + id = hair_get_base_id(); + } + + g_curves_attr_id += 1; + return id; +} + vec4 attr_load_tangent(samplerBuffer cd_buf) { /* Not supported. */ @@ -73,22 +89,22 @@ vec4 attr_load_tangent(samplerBuffer cd_buf) vec4 attr_load_vec4(samplerBuffer cd_buf) { - return texelFetch(cd_buf, hairStrandID).rgba; + return texelFetch(cd_buf, curves_attribute_element_id()).rgba; } vec3 attr_load_vec3(samplerBuffer cd_buf) { - return texelFetch(cd_buf, hairStrandID).rgb; + return texelFetch(cd_buf, curves_attribute_element_id()).rgb; } vec2 attr_load_vec2(samplerBuffer cd_buf) { - return texelFetch(cd_buf, hairStrandID).rg; + return texelFetch(cd_buf, curves_attribute_element_id()).rg; } float attr_load_float(samplerBuffer cd_buf) { - return texelFetch(cd_buf, hairStrandID).r; + return texelFetch(cd_buf, curves_attribute_element_id()).r; } #else |