Repo created

libs/shaders/GL/screen_quad.fsh.glsl

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+layout (location = 0) in vec2 v_colorTexCoords;
+
+layout (location = 0) out vec4 v_FragColor;
+
+layout (binding = 0) uniform UBO
+{
+  float u_opacity;
+};
+
+layout (binding = 1) uniform sampler2D u_colorTex;
+
+void main()
+{
+  vec4 finalColor = texture(u_colorTex, v_colorTexCoords);
+  finalColor.a *= u_opacity;
+  v_FragColor = finalColor;
+}