shadows flag in Renderer

shaders/ds_light.glsl

@@ -16,20 +16,23 @@ void main(void) {
 
 in vec3 view_dir, world_dir;
 
-uniform vec2 dt, shadow_size;
+uniform vec2 dt;
 uniform float z_near;
 uniform sampler2D tex_coeff_brdf, tex_noise;
 uniform sampler2D tex_0, tex_1, tex_2, tex_3, tex_4, tex_5, tex_sh;
 //uniform sampler2DShadow tex_shadow[16];
+#ifdef SHADOWS
+uniform vec2 shadow_size;
 uniform sampler2DArrayShadow tex_shadows_cone;
 uniform sampler2DArray tex_depths_cone;
 uniform samplerCubeArrayShadow tex_shadows_omni;
 uniform samplerCubeArray tex_depths_omni;
-uniform samplerCube tex_env;
-uniform int lights_start, lights_count, soft_shadows_samples = 16, noise_size = 64;
 uniform bool soft_shadows_enabled = false;
 uniform float soft_shadows_quality = 1.;
-
+uniform int soft_shadows_samples = 16, noise_size = 64;
+#endif
+uniform samplerCube tex_env;
+uniform int lights_start, lights_count;
 uniform vec4 fog_color = vec4(0.5, 0.5, 0.5, 1.);
 uniform float fog_decay = 10., fog_density = 0.;
 uniform mat3 view_mat;
@@ -43,7 +46,7 @@ ivec2 tc;
 vec4 pos, lpos, shp;
 vec3 li, si, ldir, halfV, bn, bn2, lwdir;
 vec3 normal, geom_normal, vds, vds2;
-float rough_diff, rough_spec, dist, NdotL, NdotH, spot, ldist, diff, spec, sdist, shadow, shadow_dz;
+float rough_diff, rough_spec, dist, NdotL, NdotH, spot, ldist, diff, spec, sdist;
 uint flags;
 
 
@@ -54,6 +57,7 @@ vec4 mapScreenToShadow(in int light_index, in vec3 offset) {
 }
 
 
+#ifdef SHADOWS
 #ifdef SPOT
 
 float getShadowCone(in vec3 uvz, in int layer) {
@@ -141,6 +145,7 @@ float rand(vec2 co) {
     float e = sin(mod(d, 3.14)) * c;
     return fract(e) - 0.5;
 }
+#endif // SHADOWS
 
 vec4 qgl_lightTexture(int index, vec2 coord, vec4 tex_shift) {
 	coord *= qgl_light_parameter[index].map.scale;
@@ -173,6 +178,7 @@ void calcLight(in int index, in vec3 n, in vec3 v) {
 	spot *= light_map_pix.a;
 #endif
 
+#ifdef SHADOWS
 	if (int(round(qgl_light_parameter[index].flags)) == 1 && bitfieldExtract(flags, 3, 1) == 1 && (spot > 1E-4)) {
 #ifndef SPOT
 		vec3 odir = -(view_mat * ldir);
@@ -260,6 +266,7 @@ void calcLight(in int index, in vec3 n, in vec3 v) {
 		//shadow += getShadowCone(shp.xyz, layer, vec2(0));
 		
 	}
+#endif // SHADOWS
 	
 	vec3 dist_decay = vec3(1., ldist, ldist*ldist);
 	spot /= dot(qgl_light_parameter[index].decay_intensity.xyz, dist_decay);