Fix shader operator tests' precision expectation

es3fShaderOperatorTests.cpp takes the reported precision for lowp and
mediump (through glGetShaderPrecisionFormat) and tests that that many
bits are actually supported by the type.

glGetShaderPrecisionFormat is a legacy function that's not very
meaningful on modern hardware (see Vulkan issue #2931), and there is no
equivalent for its functionality in Vulkan.

This relevant tests are changed such that the test now verifies that _at
least_ that many bits are used in lowp and mediump operations, rather
than _exactly_.  This aligns with the semantics of RelaxedPrecision in
SPIR-V.

Affected tests:
dEQP-GLES3.functional.shaders.operator.*

Components: OpenGL ES
VK-GL-CTS issue: 3344

Change-Id: I88a38d6ee067de8313f25327578c6666c257dc8b
1 file changed
tree: 652ed5a0ec1bc704c06e60685a7545cf4fad1dd7
  1. .github/
  2. android/
  3. data/
  4. doc/
  5. execserver/
  6. executor/
  7. external/
  8. framework/
  9. modules/
  10. scripts/
  11. targets/
  12. .editorconfig
  13. .gitignore
  14. Android.mk
  15. AndroidGen.mk
  16. CMakeLists.txt
  17. CODE_OF_CONDUCT.md
  18. LICENSE
  19. MODULE_LICENSE_APACHE2
  20. NOTICE
  21. OWNERS
  22. README.md
README.md

dEQP README

This repository contains a GPU testing suite called dEQP (drawElements Quality Program). dEQP contains tests for several graphics APIs, including OpenGL ES, EGL, and Vulkan.

Documentation

Up-to-date documentation for the dEQP is available at Android Open Source Project site.

The .qpa logs generated by the conformance tests may contain embedded png images of the results. These can be viewed with the Cherry tool.

Khronos Vulkan Conformance Tests

This repository includes Khronos Vulkan CTS under external/vulkancts directory. For more information see Vulkan CTS README.

Khronos OpenGL / OpenGL ES Conformance Tests

This repository includes Khronos OpenGL / OpenGL ES CTS under external/openglcts directory. For more information see OpenGL / OpenGL ES CTS README.

ANGLE for Android

ANGLE can be built for Android by following the instructions here.

The resulting ANGLE shared object libraries can be linked against and embedded into dEQP.apk with the --angle-path option. This will cause dEQP.apk to use the ANGLE libraries for OpenGL ES calls, rather than the native drivers.

An ABI must be specified and the directory structure containing the ANGLE shared objects must match it so the build system can find the correct *.so files.

Assuming ANGLE shared objects are generated into ~/chromium/src/out/Release/ and dEQP.apk will be generated with --abis arm64-v8a, issue the following commands:

cd ~/chromium/src/out/Release/
mkdir arm64-v8a && cd arm64-v8a
cp ../lib*_angle.so .

The --angle-path ~/chromium/src/out/Release/ option can then be used to link against and embed the ANGLE shared object files. The full command would be:

python scripts/android/build_apk.py --sdk <path to Android SDK> --ndk <path to Android NDK> --abis arm64-v8a --angle-path ~/chromium/src/out/Release/