Adding ViroKit. Needs AWSCore :(

mobile/ios/ViroKit.framework/standard_vsh.glsl

@@ -0,0 +1,82 @@
+#version 300 es
+
+layout (std140) uniform lighting_vertex {
+    int lv_num_lights;
+    lowp float lv_padding0, lv_padding1, lv_padding2;
+    
+    mat4 shadow_view_matrices[8];
+    mat4 shadow_projection_matrices[8];
+};
+
+struct VROShaderGeometry {
+    vec3 position;
+    vec3 normal;
+    vec2 texcoord;
+    vec4 tangent;
+    vec4 bone_weights;
+    ivec4 bone_indices;
+} _geometry;
+
+struct VROShaderVertex {
+    vec4 position;
+} _vertex;
+
+struct VROTransforms {
+    mat4 model_matrix;
+    mat4 view_matrix;
+    mat4 projection_matrix;
+} _transforms;
+
+in vec3 position;
+in vec3 normal;
+in vec2 texcoord;
+in vec4 tangent;
+in vec4 bone_weights;
+in ivec4 bone_indices;
+
+uniform mat4 normal_matrix;
+uniform mat4 model_matrix;
+uniform mat4 view_matrix;
+uniform mat4 projection_matrix;
+
+#pragma geometry_modifier_uniforms
+#pragma vertex_modifier_uniforms
+
+out mat3 v_tbn;
+out vec2 v_texcoord;
+out vec3 v_surface_position;
+flat out int v_instance_id;
+
+#include skinning_vsh
+#include particles_vsh
+
+void main() {
+    _geometry.position = position;
+    _geometry.normal = normal;
+    _geometry.texcoord = texcoord;
+    _geometry.tangent = tangent;
+    _geometry.bone_weights = bone_weights;
+    _geometry.bone_indices = bone_indices;
+
+    _transforms.model_matrix = model_matrix;
+    _transforms.view_matrix = view_matrix;
+    _transforms.projection_matrix = projection_matrix;
+
+    v_instance_id = gl_InstanceID;
+
+#pragma geometry_modifier_body
+
+    v_texcoord = _geometry.texcoord;
+    v_surface_position = (_transforms.model_matrix * vec4(_geometry.position, 1.0)).xyz;
+
+    vec3 n = normalize((normal_matrix * vec4(_geometry.normal, 0.0)).xyz);
+    vec3 t = normalize((normal_matrix * vec4(_geometry.tangent.xyz, 0.0)).xyz);
+    vec3 b = normalize((normal_matrix * vec4((cross(_geometry.normal, _geometry.tangent.xyz) * _geometry.tangent.w), 0.0)).xyz);
+    v_tbn = mat3(t, b, n);
+
+    _vertex.position = _transforms.projection_matrix * _transforms.view_matrix * _transforms.model_matrix * vec4(_geometry.position, 1.0);
+
+#pragma vertex_modifier_body
+    
+    gl_Position = _vertex.position;
+}