Shahbaz Youssefi c5271e8e69 Vulkan: Emulate GL_KHR_blend_equation_advanced ... Based on a change by Brandon Schade <b.schade@samsung.com> In the translator, when advanced blend is enabled, an input attachment is added. Based on the listed advanced blend equations, emulation code is added that performs those equations' functions. The blend equation itself is passed through a driver uniform. Note that the advanced blend extension only allows a single output to use advanced blend, and that should be at location 0. In the Vulkan backend, when advanced blend is used, the driver uniform to select the equation is updated and normal blending is disabled. Bug: angleproject:3586 Change-Id: Icc42e8be238d34fca149087eb9cfe616a7643a6b Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3575738 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Yuxin Hu <yuxinhu@google.com> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>		2022-04-13 19:02:22 +00:00
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ShaderLang.h	Vulkan: Emulate GL_KHR_blend_equation_advanced	2022-04-13 19:02:22 +00:00
ShaderVars.h	Vulkan: Shader support for KHR_blend_equation_advanced	2022-02-23 20:16:50 +00:00