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Hash : 3036e090
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Date : 2021-07-29T15:55:39
Vulkan: Direct SPIR-V Gen: Support the precise keyword The precise keyword is different in GLSL in that it defines what arithmetic operations _that have led to the value being assigned to a variable_ should be done precisely (i.e. not "contracted"). A tree traverser is implemented that detects precise access chains and applies precise-ness to the right hand side of assignment expressions to said access chains. This is only done if the shader uses the precise keyword in the first place. The algorithm for this is inspired by the implementation in glslang. This change additionally: - Fixes parser to allow precise on function parameters - Fixes GLSL code generation to output precise on struct members and function parameters. Bug: angleproject:4889 Change-Id: Ie3808c3c8c08da308e88af20f5f90379d9d14d47 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3056369 Reviewed-by: Tim Van Patten <timvp@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
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Files
- BUILD.gn
- README.md
- angle_deqp_gtest.cpp
- angle_deqp_libtester.h
- angle_deqp_libtester_main.cpp
- angle_deqp_tests_main.cpp
- deqp.gni
- deqp_data_autogen.gni
- deqp_egl_test_expectations.txt
- deqp_gles2_test_expectations.txt
- deqp_gles31_rotate_test_expectations.txt
- deqp_gles31_test_expectations.txt
- deqp_gles3_rotate_test_expectations.txt
- deqp_gles3_test_expectations.txt
- deqp_khr_gles2_test_expectations.txt
- deqp_khr_gles31_test_expectations.txt
- deqp_khr_gles32_test_expectations.txt
- deqp_khr_gles3_test_expectations.txt
- es31cVertexAttribBindingTests_override.cpp
- glcShaderConstExprTests_override.cpp
- glcTestPackageEntry_override.cpp
- tcuANGLENativeDisplayFactory.cpp
- tcuANGLENativeDisplayFactory.h
- tcuANGLEPlatform.cpp
- tcuANGLEPlatform.h
- tcuRandomOrderExecutor.cpp
- tcuRandomOrderExecutor.h
- tes31Context_override.cpp
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README.md
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dEQP Support
ANGLE integrates dEQP (i.e. the OpenGL CTS) for conformance testing. It uses gtest to run tests, and provides the means for dEQP to use ANGLE.
Overriding dEQP files
Occasionally, ANGLE overrides certain dEQP files by copying them to this directory, adding the
_overridesuffix, and modifying them.deqp.gniis used to select these override files to be built with dEQP instead of the original files.This is primarily done to fix tests until they are fixed upstream.
Expectation files format
For every set of dEQP tests, for example GLES3 tests on the Vulkan backend, an expectations file exists to let the test harness know which tests it should skip (as they are known to crash), or expect to see failed. Warnings are generated if a test unexpectedly passes, but an unexpected failure is an error. This let’s ANGLE ensure there are no regressions.
While developing a feature, or testing on a new platform, the expectations files can be modified to reflect the reality of the situation. The expected format for every line in these files is:
{BUG#} {MODIFIERS} : {TEST_NAME} = {PASS,FAIL,FLAKY,TIMEOUT,SKIP}MODIFIERScan be a combination of the below list, combined with a logical AND:WIN XP VISTA WIN7 WIN8 WIN10 MAC LEOPARD SNOWLEOPARD LION MOUNTAINLION MAVERICKS YOSEMITE ELCAPITAN SIERRA HIGHSIERRA MOJAVE LINUX CHROMEOS ANDROID NVIDIA AMD INTEL DEBUG RELEASE D3D9 D3D11 OPENGL GLES VULKAN NEXUS5X PIXEL2ORXL QUADROP400 SWIFTSHADER PREROTATION PREROTATION90 PREROTATION180 PREROTATION270 SPIRVGENTEST_NAMEcan be a specific test name, or set of test names using'*'as wildcard anywhere in the name. Examples:// Disabled everywhere as is too slow: 3445 : dEQP-GLES31.functional.ssbo.layout.random.all_shared_buffer.48 = SKIP // Crashes on both D3D11 and OPENGL: 1442 OPENGL : dEQP-GLES31.functional.separate_shader.* = SKIP 1442 D3D11 : dEQP-GLES31.functional.separate_shader.* = SKIP // Unsupported feature: 3726 VULKAN ANDROID : dEQP-GLES31.functional.synchronization.inter_call.without_memory_barrier.*atomic_counter* = FAIL // Failing test in Nvidia's OpenGL implementation on windows: 1665 WIN NVIDIA OPENGL : dEQP-GLES31.functional.draw_indirect.negative.command_offset_not_in_buffer_unsigned32_wrap = FAIL // Failing when emulated pre-rotation is enabled, no matter which angle: 1234 PREROTATION : dEQP-GLES3.*blit* = FAIL // Failing when emulated pre-rotation is enabled with 270 degree angle: 1234 PREROTATION270 : dEQP-GLES3.*blit* = FAIL // Crashing when generating SPIR-V directly from the translator 1234 SPIRVGEN : dEQP.GLES2/functional_shaders_texture_functions_vertex_texture2dprojlod_vec4 = SKIP