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Jul 13, 2023
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- GPU drivers compatibility
- GPU drivers crash with long computations (TDR crash)
- GPU has outdated drivers
- GPU is not recognized
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- Issues with Nvidia GPUs on recent Mac OS versions
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Layering Bind Materials - Shader API
Material layering: bind materials as shader parameters
A material is defined by a unique identifier 'id'. Additional parameters:
- 'default': the default material resource name to be used.
- 'size': the texture size of the material maps.
- 'group': the UI group of the material selection widget.
Example:
//: materials [
//: {
//: "id": "Material1",
//: "default": "Concrete 044",
//: "size": 512,
//: "group": "Material 1"
//: }, {
//: "id": "Material2",
//: "default": "Leaves elm",
//: "size": 1024,
//: "group": "Material 2"
//: }
//: ]
//: materials [
//: {
//: "id": "Material1",
//: "default": "Concrete 044",
//: "size": 512,
//: "group": "Material 1"
//: }, {
//: "id": "Material2",
//: "default": "Leaves elm",
//: "size": 1024,
//: "group": "Material 2"
//: }
//: ]
//: materials [ //: { //: "id": "Material1", //: "default": "Concrete 044", //: "size": 512, //: "group": "Material 1" //: }, { //: "id": "Material2", //: "default": "Leaves elm", //: "size": 1024, //: "group": "Material 2" //: } //: ]
To bind a channel from a material to a sampler, define an auto param with the id of the material followed by the channel tag (see the available channels in all-engine-params.glsl):
//: param auto Material1.channel_basecolor
uniform sampler2D basecolor_tex1;
//: param auto Material1.channel_metallic
uniform sampler2D metallic_tex1;
//: param auto Material1.channel_roughness
uniform sampler2D roughness_tex1;
//: param auto Material2.channel_basecolor
uniform sampler2D basecolor_tex2;
//: param auto Material2.channel_metallic
uniform sampler2D metallic_tex2;
//: param auto Material2.channel_roughness
uniform sampler2D roughness_tex2;
//: param auto Material1.channel_basecolor
uniform sampler2D basecolor_tex1;
//: param auto Material1.channel_metallic
uniform sampler2D metallic_tex1;
//: param auto Material1.channel_roughness
uniform sampler2D roughness_tex1;
//: param auto Material2.channel_basecolor
uniform sampler2D basecolor_tex2;
//: param auto Material2.channel_metallic
uniform sampler2D metallic_tex2;
//: param auto Material2.channel_roughness
uniform sampler2D roughness_tex2;
//: param auto Material1.channel_basecolor uniform sampler2D basecolor_tex1; //: param auto Material1.channel_metallic uniform sampler2D metallic_tex1; //: param auto Material1.channel_roughness uniform sampler2D roughness_tex1; //: param auto Material2.channel_basecolor uniform sampler2D basecolor_tex2; //: param auto Material2.channel_metallic uniform sampler2D metallic_tex2; //: param auto Material2.channel_roughness uniform sampler2D roughness_tex2;