Commit a1442ecdf5142b40cab85caf9f472b6bece9bf5f
2018-11-26T12:48:10
Vulkan: Uber-shader support For each internal shader, there is now possibly a companion .json file that defines shader variations. The variations consist of a set of flags and a set of enums. Each enum defines a variation that takes one of a few values. Flags are shorthands for 2-value enums. In the shader code, #if can be used to change the shader based on variations derived from flags and enums. On the C++ side, those variations are combined into an index and the appropriate shader is retrieved from a table. Bug: angleproject:2958 Change-Id: Ic4fc7061adb20c047c26624305285e3005092aab Reviewed-on: https://chromium-review.googlesource.com/c/1351117 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org>