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kc3-lang/angle

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  • Author : Shahbaz Youssefi
    Date : 2020-10-09 15:27:28
    Hash : df8f71d1
    Message : Vulkan: Don't break the render pass on scissored clears clearImmediatelyWithRenderPassOp is removed and the draw path is used for the scissor. That path was added to avoid creating a large number of graphics pipelines due to the scissor state. This is now done by using dynamic state for scissor in the draw path for clear. Running the following dEQP tests without and with dynamic state for scissor: dEQP-GLES3.functional.fragment_ops.depth_stencil.stencil_ops.* the number of graphics pipelines is reduced from 95392 to 16. Bug: angleproject:4617 Bug: angleproject:4836 Change-Id: Ib373d8cd23ca2b67e6fd26aa2a1103f281f7e473 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2463985 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Charlie Lao <cclao@google.com> 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
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    Description

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

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    Github
    Users thodg git_deploy kc3_lang_org thodg_l thodg_m thodg_w www_kmx_io
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  • 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 | | in progress | 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