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shaders/gbuffer_debug.frag

@@ -0,0 +1,41 @@
+#version 330 core
+out vec4 FragColor;
+
+in vec2 TexCoord;
+
+uniform sampler2D gPosition;
+uniform sampler2D gNormal;
+uniform sampler2D gAlbedo;
+uniform sampler2D gLightSpacePos;
+uniform sampler2DShadow shadowMap;
+uniform sampler2D depthTex;
+
+uniform int debugMode; // 0 = final, 1 = position, 2 = normal, 3 = albedo, 4 = lightspace, 5 = depth
+
+void main()
+{
+    if (debugMode == 1) {
+        vec3 v = texture(gPosition, TexCoord).rgb;
+        FragColor = vec4(v * 0.01 + 0.5, 1.0);
+        return;
+    }
+    if (debugMode == 2) {
+        vec3 n = normalize(texture(gNormal, TexCoord).rgb);
+        FragColor = vec4(n * 0.5 + 0.5, 1.0);
+        return;
+    }
+    if (debugMode == 3) {
+        FragColor = texture(gAlbedo, TexCoord);
+        return;
+    }
+    if (debugMode == 4) {
+        FragColor = texture(gLightSpacePos, TexCoord);
+        return;
+    }
+    if (debugMode == 5) {
+        float d = texture(depthTex, TexCoord).r;
+        FragColor = vec4(vec3(d), 1.0);
+        return;
+    }
+    FragColor = vec4(0.0);
+}