New shader feature: change the colour of shadows on a per-material basis.

Conflicts:
	drivers/gles2/shader_compiler_gles2.cpp

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gles2/shaders/material.glsl b/drivers/gles2/shaders/material.glsl
index 38fb03ab5c..ccd80bf2f0 100644
--- a/drivers/gles2/shaders/material.glsl
+++ b/drivers/gles2/shaders/material.glsl
@@ -1175,6 +1175,10 @@ FRAGMENT_SHADER_CODE
 		vec3 mdiffuse = diffuse.rgb;
 		vec3 light;
 
+#if defined(USE_LIGHT_SHADOW_COLOR)
+		vec3 shadow_color=vec3(0.0,0.0,0.0);
+#endif
+
 #if defined(USE_LIGHT_SHADER_CODE)
 //light is written by the light shader
 {
@@ -1195,6 +1199,10 @@ LIGHT_SHADER_CODE
 #endif
 		diffuse.rgb = const_light_mult * ambient_light *diffuse.rgb + light * attenuation * shadow_attenuation;
 
+#if defined(USE_LIGHT_SHADOW_COLOR)
+		diffuse.rgb += light * shadow_color * attenuation * (1.0 - shadow_attenuation);
+#endif
+
 #ifdef USE_FOG
 
 		diffuse.rgb = mix(diffuse.rgb,fog_interp.rgb,fog_interp.a);