Nora shader examples

// default.glsl
#type source

#use <nora3D.glsl>
#uniforms
    vec2 u_Offset : fast_read;
    vec4 u_Tint : fast_write;
    sampler2D u_AlbedoTex : frag_access;
#end

#vert
    layout(location = 0) out vec3 v_Normal;
    layout(location = 1) out vec2 v_UV0;
    layout(location = 2) out vec3 v_Tangent;
    layout(location = 3) out vec4 v_Color;

    void main() {
        gl_Position = APPLY_TF(a_Pos);

        v_Normal = a_Normal;
        v_UV0 = a_UV0;
        v_Tangent = a_Tangent;
        v_Color = a_Color;
    }
#end

#frag
    layout(location = 0) in vec3 v_Normal;
    layout(location = 1) in vec2 v_UV0;
    layout(location = 2) in vec3 v_Tangent;
    layout(location = 3) in vec4 v_Color;

    void main() {
        o_Col = texture(u_AlbedoTex, v_UV0 + u_Offset) * u_Tint;
    }
#end


// nora3D.glsl
#type include
#unique NORA3D

#use <nora.glsl>
#body
    #ifdef VERT
        #define APPLY_TF(pos) (u_ProjMat * u_ViewMat * u_ModelMat * vec4(pos, 1.0))

        layout(location = 0) in vec3 a_Pos;
        layout(location = 1) in vec3 a_Normal;
        layout(location = 2) in vec2 a_UV0;
        layout(location = 3) in vec2 a_UV1;
        layout(location = 4) in vec3 a_Tangent;
        layout(location = 5) in vec4 a_Color;

        layout(std140, binding = 0) uniform SlowMatrices {
            mat4 u_ProjMat; // This one goes here because it changes relatively sparely
        };

        layout(std140, push_constant) uniform FastMatrices {
            mat4 u_ModelMat;
            mat4 u_ViewMat;
        };
    #endif
#end


// nora.glsl
#type include
#unique NORA

#body
    #ifdef FRAG
        layout(location = 0) out vec4 o_Col;
    #endif
#end