kc3-lang/angle

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  • Hash : 6d40bbdd
    Author : Olli Etuaho
    Date : 2016-09-30T13:49:38 

    Split TIntermBlock from TIntermAggregate

The new TIntermBlock node class replaces TIntermAggregate nodes with
the EOpSequence op. It represents the root node of the tree which is
a list of declarations and function definitions, and any code blocks
that can be denoted by curly braces. These include function and loop
bodies, and if-else branches.

This change enables a bunch of more compile-time type checking, and
makes the AST code easier to understand and less error-prone.

The PostProcess step that used to be done to ensure that the root node
is TIntermAggregate is removed in favor of making sure that the root
node is a TIntermBlock in the glslang.y parsing code.

Intermediate output formatting is improved to print the EOpNull error
in a clearer way.

After this patch, TIntermAggregate is still used for function
definitions, function prototypes, function parameter lists, function
calls, variable and invariant declarations and the comma (sequence)
operator.

BUG=angleproject:1490
TEST=angle_unittests, angle_end2end_tests

Change-Id: I04044affff979a11577bc1fe75d747e538b799c8
Reviewed-on: https://chromium-review.googlesource.com/393726
Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
Reviewed-by: Corentin Wallez <cwallez@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
    		 kc3_lang_org thodg_w www_kmx_io thodg_l thodg thodg_m
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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 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 planned
    Mac OS X in progress
    Chrome OS complete planned
    Android complete planned

    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. For generating a Windows Store version of ANGLE view the Windows Store instructions

    Contributing

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