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kc3-lang/angle

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  • Author : Jamie Madill
    Date : 2019-05-20 11:12:53
    Hash : 6722009e
    Message : Vulkan: Handle dirty RTs with state messages. Prior to this CL we were handling dirty state change notifications by flushing the RT Images just prior to use or just after they were changed. This could lead to a few redundant checks in several places. It also meant we needed an owner pointer from the RT to the parent Image. This pointer would be null for Surfaces and Renderbuffers. This cleans up the image flushing logic to be handled by dirty bit notifications. When an app updates an attached Texture with TexSubImage or related calls it will send a notification to the Framebuffer. The Framebuffer then sets a dirty contents bit that is handled in the implementation. In Vulkan this means flushing the dirty bits. Requires adding a flag to the FramebufferImpl class to determine if we need to syncState before we checkStatus. Adding the option allows us to only call syncState for the GL back-end. Not calling syncState allows the robust resource init operation to happen *before* we syncState. Which in turn allows FramebuffeVk to initialize the VkImages in one go. Added new regression tests for Texture updates. This might not cover all cases. I found it was very hard to trigger some of the resource update staging in TextureVk. Bug: angleproject:3427 Change-Id: Idfa177436ba7fcb9d398f2b67922e085f778f82a Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1601552 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@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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    Name
    Description

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

    Homepage

    Github

    Users thodg git_deploy kc3_lang_org thodg_l thodg_m thodg_w www_kmx_io
    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 and 3.0 to desktop OpenGL, OpenGL ES, Direct3D 9, and Direct3D 11. Support for translation from OpenGL ES to Vulkan is underway, and future plans include compute shader support (ES 3.1) and MacOS support.

    Level of OpenGL ES support via backing renderers

    | | Direct3D 9 | Direct3D 11 | Desktop GL | GL ES | Vulkan | |----------------|:-------------:|:----------------:|:--------------:|:-------------:|:-------------:| | OpenGL ES 2.0 | complete | complete | complete | complete | in progress | | OpenGL ES 3.0 | | complete | complete | in progress | not started | | OpenGL ES 3.1 | | not started | in progress | in progress | not started |

    Platform support via backing renderers

    | | Direct3D 9 | Direct3D 11 | Desktop GL | GL ES | Vulkan | |------------:|:--------------:|:--------------:|:-------------:|:-----------:|:-----------:| | Windows | complete | complete | complete | complete | in progress | | Linux | | | complete | | in progress | | Mac OS X | | | in progress | | | | Chrome OS | | | | complete | planned | | Android | | | | complete | in progress |

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