kc3-lang/angle

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  • Hash : e89c8f7c
    Author : Ian Elliott
    Date : 2020-10-22T13:16:29 

    Add run-time check in EVENT() to disable debug markers

To avoid a large performance impact from adding Vulkan debug-util
markers for every GLES entrypoint, the EVENT() macro needs a run-time
check that avoids constructing a ScopedPerfEventHelper object.

Test: angle_perftests -v --local-output --gtest_filter="TracePerfTest.Run/*nba*"
Bug: b/170249632
Change-Id: I422111cdf6f6f713800e7ac587e66582bd00359f
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2491009
Commit-Queue: Ian Elliott <ianelliott@google.com>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>

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  • Git HTTP https://git.kmx.io/kc3-lang/angle.git
    Git SSH git@git.kmx.io:kc3-lang/angle.git
    Public access ? public
    Description

    A conformant OpenGL ES implementation for Windows, Mac, Linux, iOS and Android.

    Homepage

    Github
    Users
    		 thodg_m kc3_lang_org thodg_w www_kmx_io thodg thodg_l
    Tags

  • README.md

  • ANGLE - Almost Native Graphics Layer Engine

    The goal of ANGLE is to allow users of multiple operating systems to seamlessly run WebGL and other OpenGL ES content by translating OpenGL ES API calls to one of the hardware-supported APIs available for that platform. ANGLE currently provides translation from OpenGL ES 2.0, 3.0 and 3.1 to Vulkan, desktop OpenGL, OpenGL ES, Direct3D 9, and Direct3D 11. Future plans include ES 3.2, translation to Metal and MacOS, Chrome OS, and Fuchsia support.

    Level of OpenGL ES support via backing renderers

    Direct3D 9 Direct3D 11 Desktop GL GL ES Vulkan Metal
    OpenGL ES 2.0 complete complete complete complete complete complete
    OpenGL ES 3.0 complete complete complete complete in progress
    OpenGL ES 3.1 incomplete complete complete complete
    OpenGL ES 3.2 in progress in progress in progress

    Platform support via backing renderers

    Direct3D 9 Direct3D 11 Desktop GL GL ES Vulkan Metal
    Windows complete complete complete complete complete
    Linux complete complete
    Mac OS X complete in progress
    iOS planned
    Chrome OS complete planned
    Android complete complete
    GGP (Stadia) complete
    Fuchsia in progress

    ANGLE v1.0.772 was certified compliant by passing the OpenGL ES 2.0.3 conformance tests in October 2011.

    ANGLE has received the following certifications with the Vulkan backend:

    • OpenGL ES 2.0: ANGLE 2.1.0.d46e2fb1e341 (Nov, 2019)
    • OpenGL ES 3.0: ANGLE 2.1.0.f18ff947360d (Feb, 2020)
    • OpenGL ES 3.1: ANGLE 2.1.0.f5dace0f1e57 (Jul, 2020)

    ANGLE also provides an implementation of the EGL 1.4 specification.

    ANGLE is used as the default WebGL backend for both Google Chrome and Mozilla Firefox on Windows platforms. Chrome uses ANGLE for all graphics rendering on Windows, including the accelerated Canvas2D implementation and the Native Client sandbox environment.

    Portions of the ANGLE shader compiler are used as a shader validator and translator by WebGL implementations across multiple platforms. It is used on Mac OS X, Linux, and in mobile variants of the browsers. Having one shader validator helps to ensure that a consistent set of GLSL ES shaders are accepted across browsers and platforms. The shader translator can be used to translate shaders to other shading languages, and to optionally apply shader modifications to work around bugs or quirks in the native graphics drivers. The translator targets Desktop GLSL, Vulkan GLSL, Direct3D HLSL, and even ESSL for native GLES2 platforms.

    Sources

    ANGLE repository is hosted by Chromium project and can be browsed online or cloned with

    git clone https://chromium.googlesource.com/angle/angle

    Building

    View the Dev setup instructions.

    Contributing

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