Fixed particles color modes.

ScriptableRenderPipeline/LightweightPipeline/LWRP/ShaderLibrary/Particles.hlsl

 
 half4 SampleAlbedo(VertexOutputLit IN, TEXTURE2D_ARGS(albedoMap, sampler_albedoMap))
 {
-    half4 albedo = readTexture(TEXTURE2D_PARAM(albedoMap, sampler_albedoMap), IN) * IN.color;
+    half4 albedo = readTexture(TEXTURE2D_PARAM(albedoMap, sampler_albedoMap), IN) * _Color;
 
     // No distortion Support
     fragColorMode(IN);

ScriptableRenderPipeline/LightweightPipeline/LWRP/Shaders/LightweightStandardParticles.shader

                 VertexOutputLit o;
                 OUTPUT_NORMAL(v, o);
 
-                o.color = v.color * _Color;
+                o.color = v.color;
+
+                // TODO: Instancing
+                // vertColor(v.color);
                 vertTexcoord(v, o);
                 vertFading(o, o.posWS, o.clipPos);
                 return o;

ScriptableRenderPipeline/LightweightPipeline/LWRP/Shaders/LightweightStandardParticlesSimpleLighting.shader

 
                 OUTPUT_NORMAL(v, o);
 
-                o.color = v.color * _Color;
+                o.color = v.color;
+
+                // TODO: Instancing
+                // vertColor(o.color);
                 vertTexcoord(v, o);
                 vertFading(o, o.posWS, o.clipPos);
                 return o;
             {
                 half4 albedo = SampleAlbedo(IN, TEXTURE2D_PARAM(_MainTex, sampler_MainTex));
+                half3 diffuse = AlphaModulate(albedo.rgb, albedo.a);
-                half3 diffuse = AlphaModulate(albedo.rgb, alpha);
                 half3 normalTS = SampleNormalTS(IN, TEXTURE2D_PARAM(_BumpMap, sampler_BumpMap));
                 half3 emission = SampleEmission(IN, _EmissionColor.rgb, TEXTURE2D_PARAM(_EmissionMap, sampler_EmissionMap));
                 half4 specularGloss = SampleSpecularGloss(IN, albedo.a, _SpecColor, TEXTURE2D_PARAM(_SpecGlossMap, sampler_SpecGlossMap));

ScriptableRenderPipeline/LightweightPipeline/LWRP/Shaders/LightweightStandardParticlesUnlit.shader

                     o.posWS.xyz = TransformObjectToWorld(v.vertex.xyz);
                     o.posWS.w = ComputeFogFactor(o.clipPos.z);
                     o.clipPos = TransformWorldToHClip(o.posWS.xyz);
-                    o.color = v.color * _Color;
+                    o.color = v.color;
-                    vertColor(o.color);
+                    // TODO: Instancing
+                    //vertColor(o.color);
                     vertTexcoord(v, o);
                     vertFading(o, o.posWS, o.clipPos);