Support multiple lights in a single pass

[libs/gl.git] / shaderlib / msp_interface.glsl

diff --git a/shaderlib/msp_interface.glsl b/shaderlib/msp_interface.glsl
index 6c229da0f32da92fc9bd76db74241a5542fba478..23c612051248281c9a3bc9795cf11163e2b2f5d1 100644 (file)
--- a/shaderlib/msp_interface.glsl
+++ b/shaderlib/msp_interface.glsl
@@ -2,6 +2,7 @@ struct LightSourceParameters
 {
        vec4 position;
        vec3 color;
+       int enabled;
 };
 
 struct ClipPlane
@@ -19,10 +20,10 @@ uniform CameraTransform
        mat4 eye_clip_matrix;
 };
 
+layout(constant_id=auto) const int max_lights = 4;
 uniform Lighting
 {
-       // Declared as an array for compatibility reasons
-       LightSourceParameters light_sources[1];
+       LightSourceParameters light_sources[max_lights];
        vec4 ambient_color;
        vec4 fog_color;
        float fog_density;