kc3-lang/angle

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    Commit

  • Hash : d7890bca
    Author : Tobin Ehlis
    Date : 2018-06-29T11:57:22 

    Skip noop draws in the frontend

If a draw does not have enough vertices for its primitive count to
produce a primitive then skip it. If an instanced draw has 0 instances
or not have enough vertices for its primitive count to
produce a primitive then skip it.
This means a Point with 0 vertices, a Line w/ 0-1 vertices, or a tri
with 0-2 primitives.

Updated some redundant code in the D3D11 backend. Draws below the
minDrawCount will no longer be passed to the backend so updated the
associated state in StateManager11 to only track the case where all
primitives should be culled due to GL state settings.

BUG=angleproject:2568
TEST=functional_transform_feedback_basic_types_interleaved_lines_lowp_int

Change-Id: I9faa767c12004fcdec923ec70a8ee5615d789813
Reviewed-on: https://chromium-review.googlesource.com/1120849
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>

  • Properties

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

    Contributing

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