now using deferred rendering instead of forward rendering; some little problem: grid not render, shadow not impl

Editor/assets/shaders/PBRShader_Anim.glsl

@@ -161,6 +161,13 @@ uniform float u_ShadowSoftness;
 uniform float u_ShadowIntensity;
 uniform int u_ShadowEnabled;
 
+// Emissive
+uniform sampler2D u_EmissiveTexture;
+uniform float u_EmissiveTexToggle;
+uniform vec3  u_EmissiveColor;
+uniform float u_EmissiveIntensity;
+
+
 struct PBRParameters
 {
     vec3 Albedo;
@@ -425,7 +432,16 @@ float ComputeShadow(vec4 fragPosLightSpace, float NdotL)
 
 void main()
 {
-    m_Params.Albedo = u_AlbedoTexToggle > 0.5 ? texture(u_AlbedoTexture, vs_Input.TexCoord).rgb : u_AlbedoColor;
+    float alpha = 1.0;
+    if (u_AlbedoTexToggle > 0.5) {
+        vec4 albedoWithAlpha = texture(u_AlbedoTexture, vs_Input.TexCoord);
+        m_Params.Albedo = albedoWithAlpha.rgb;
+        alpha = albedoWithAlpha.a;
+    } else {
+        m_Params.Albedo = u_AlbedoColor;
+        alpha = 1.0;
+    }
+
     m_Params.Metalness = u_MetalnessTexToggle > 0.5 ? texture(u_MetalnessTexture, vs_Input.TexCoord).r : u_Metalness;
     m_Params.Roughness = u_RoughnessTexToggle > 0.5 ? texture(u_RoughnessTexture, vs_Input.TexCoord).r : u_Roughness;
     m_Params.Roughness = max(m_Params.Roughness, 0.05);
@@ -463,7 +479,16 @@ void main()
 
     vec3 iblContribution = IBL(F0, Lr) * u_IBLContribution;
 
-    color = vec4(lightContribution + iblContribution, 1.0);
+    vec3 emissive = u_EmissiveColor;
+    if (u_EmissiveTexToggle > 0.5) {
+        emissive = texture(u_EmissiveTexture, vs_Input.TexCoord).rgb;
+    }
+    emissive *= u_EmissiveIntensity;
+
+    vec3 finalRGB = lightContribution + iblContribution + emissive;
+    vec4 finalColor = vec4(finalRGB, alpha);
+
+    color = finalColor;
 
     // Bloom
     float brightness = dot(color.rgb, vec3(0.2126, 0.7152, 0.0722));