add bloom;some treaks

Editor/assets/shaders/SceneComposite.glsl

@@ -22,6 +22,7 @@ layout(location = 1) out vec4 o_BloomTexture;
 in vec2 v_TexCoord;
 
 uniform sampler2DMS u_Texture;
+uniform sampler2D u_BloomTexture;
 
 
 uniform bool u_EnableAutoExposure;
@@ -55,6 +56,17 @@ vec4 MultiSampleTexture(sampler2DMS tex, vec2 tc)
 	return result;
 }
 
+float MultiSampleDepth(sampler2DMS tex, vec2 tc)
+{
+	ivec2 texSize = textureSize(tex);
+	ivec2 texCoord = ivec2(tc * texSize);
+	float result = 0.0;
+	for (int i = 0; i < u_TextureSamples; i++)
+		result += texelFetch(tex, texCoord, i).r;
+	result /= float(u_TextureSamples);
+	return result;
+}
+
 void main()
 {
 	const float gamma     = 2.2;
@@ -62,12 +74,11 @@ void main()
 
 	// Tonemapping
 	vec4 msColor = MultiSampleTexture(u_Texture, v_TexCoord);
-
 	vec3 color = msColor.rgb;
 
 	if (u_EnableBloom)
 	{
-		vec3 bloomColor = MultiSampleTexture(u_Texture, v_TexCoord).rgb;
+		vec3 bloomColor = texture(u_BloomTexture, v_TexCoord).rgb;
 		color += bloomColor;
 	}