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35100396e4
This avoids crashing on devices when a number of varyings greater than the device limit is used. For now this accurately prints an error when compiling the shader, but the error text only pops up in the editor if the number of user varyings is above the limit.
Metal Rendering Device
This document aims to describe the Metal rendering device implementation in Godot.
Future work / ideas
- Use placement heaps
- Explicit hazard tracking
- MetalFX upscaling support?
Acknowledgments
The Metal rendering owes a lot to the work of the MoltenVK project, which is a Vulkan implementation on top of Metal. In accordance with the Apache 2.0 license, the following copyright notices have been included where applicable:
/**************************************************************************/
/* */
/* Portions of this code were derived from MoltenVK. */
/* */
/* Copyright (c) 2015-2023 The Brenwill Workshop Ltd. */
/* (http://www.brenwill.com) */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/**************************************************************************/