The most common other input (which is not required) is the uniform float osg_FrameTime which, as described by Panda3D's manual, "reports the frame time of the current frame, for animations.".Screen resolution ( uniform vec2 resolution).Depth texture ( uniform sampler2D depth_texture).Color texture ( uniform sampler2D color_texture).All post process fragment shaders are required to have the following inputs, even if they aren't used:.Currently, these are required to be specified as inputs, even if one of those is not going to be used. As of Toontown Offline v1.0.5.1, post process shaders have access to the color and depth buffers.In Toontown Offline v1.0.5.1, the Underwater filter uses this method.Post process shaders never have a reason for a custom vertex shader file, so the vertex file should always be specified as "phase_3/shaders/tt_sha_post_generic.vert".The majority of filters would be done in this method. Post process shaders are computed after the 3D scene is rendered, and is applied to the screen itself, as opposed to the 3D objects.In Toontown Offline v1.0.5.1, the Drunk, Rainbow, Rainbow Gradient, and Desaturate filters use this method, however, all, except for the Drunk filter, can and should be done as Post Process, but they were programmed before support for Post Process shaders was added.
Render shaders should have custom fragment and vertex shader files.Render shaders can be used to make calculations based on models themselves, like adding artificial lighting based on their normals, adjusting vertex positions, and making calculations based on the textures of the models themselves.Render shaders are computed during rendering, and affect the actual objects in 3D space.All shaders require a Vertex shader and a Fragment shader file.There are two types of filters Post Process and Render shaders.(An example of a post process shader with a fragment shader) Filter Types This can be achieved by adding the shader files into the filters directory.In Toontown Offline, users with glsl shader experience can create custom effects.
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