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A conformant OpenGL ES implementation for Windows, Mac and Linux.
15 301 коммит 1 957 Ветки 0 Теги 157 MiB
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C 6.8%
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Charlie Lao fd3b8fafca Vulkan: Split fragment shader from ColorAttachmentAndAllShadersRead 
Even though it is not common usage case that the same texture is used as
attachment and texture, but aztec ruins is using it. And earlier version
of gfxbench's T-Rex also running into this. So performance is still
important. This CL splits the texture from fragment shader usage case
out so we can have lighter barrier.

Bug: angleproject:5780
Change-Id: Ifdcbfe24488fdac62826c5af6ecfbb05f87c0499
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2795269
Commit-Queue: Charlie Lao <cclao@google.com>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
 		2021-03-31 18:25:10 +00:00
android Update VVL directories in Android build. 2020-12-16 03:28:16 +00:00
build_overrides Remove obsolete build flag. 2021-01-11 17:20:46 +00:00
doc Create GN arg to enable non-conformant features 2021-03-12 21:52:02 +00:00
extensions Remove extension files that are not written by ANGLE. 2021-01-27 20:46:34 +00:00
gni Reland "Add support for building in Flutter Windows UWP configuration" 2021-03-15 19:16:03 +00:00
include Capture/Replay: add frontend feature to force capture limits 2021-03-28 19:26:30 +00:00
infra Remove old Win x86 bots from CQ 2021-03-25 20:36:22 +00:00
samples Vulkan: Call glslang at compile time 2021-03-25 19:53:52 +00:00
scripts Replace Win x86 dEQP GPU.FYI bot with chromium.angle bot 2021-03-30 20:33:42 +00:00
src Vulkan: Split fragment shader from ColorAttachmentAndAllShadersRead 2021-03-31 18:25:10 +00:00
third_party Import Vulkan DEPS from the new vulkan-deps repo. 2020-12-18 18:09:50 +00:00
tools Create empty //tools/android/md5sum/BUILD.gn 2020-08-04 22:40:36 +00:00
util Add missing qualifier type handling in translator 2021-03-24 17:33:10 +00:00
.clang-format Update .clang-format. 2020-04-28 14:23:13 +00:00
.gitattributes Automatically call flex/bison if necessary 2019-12-03 19:29:42 +00:00
.gitignore Import Vulkan DEPS from the new vulkan-deps repo. 2020-12-18 18:09:50 +00:00
.gn Re-land "Link C++ histogram support into angle_perftests." 2020-10-25 16:42:09 +00:00
.style.yapf Format all of ANGLE's python code. 2019-05-06 18:56:09 +00:00
.vpython Add luci-go and mb to DEPS. 2020-09-14 21:27:36 +00:00
.vpython3 Add luci-go and mb to DEPS. 2020-09-14 21:27:36 +00:00
.yapfignore Add .yapfignore file 2019-10-14 17:57:09 +00:00
AUTHORS Add Collabora, Ltd. to AUTHORS and CONTRIBUTORS 2021-02-23 20:49:54 +00:00
BUILD.gn Don't link with SPIR-V repos if !vulkan && !metal 2021-03-29 22:32:23 +00:00
CONTRIBUTORS Skip ResizeWindow test on Linux. 2021-03-22 15:33:39 +00:00
DEPS Roll vulkan-deps from 4b3769b941e6 to 0a4b29c05e71 (2 revisions) 2021-03-31 13:57:25 +00:00
DIR_METADATA Move metadata in OWNERS files to DIR_METADATA files 2021-02-04 19:09:11 +00:00
LICENSE Update license and readme for use downstream 2018-03-27 20:53:53 +00:00
OWNERS Add timvp to ANGLE, vulkan and capture owners. 2021-02-16 19:02:33 +00:00
PRESUBMIT.py Remove tabs from volk.c/h 2021-01-05 10:31:53 +00:00
README.chromium Update license and readme for use downstream 2018-03-27 20:53:53 +00:00
README.md Update README.md for Fuchsia 2021-01-28 20:21:38 +00:00
WATCHLISTS Fix quotes around emails in WATCHLISTS 2020-04-21 16:50:07 +00:00
additional_readme_paths.json Vulkan: Generate mipmap in compute 2020-07-26 19:38:41 +00:00
codereview.settings Use "full" git cl format by default. 2019-10-24 23:14:12 +00:00
dotfile_settings.gni Remove Vulkan repos from exec script whitelist. 2019-10-20 16:26:45 +00:00

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 complete

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