| { |
| "description": [ |
| "Copyright 2022 The ANGLE Project Authors. All rights reserved.", |
| "Use of this source code is governed by a BSD-style license that can be", |
| "found in the LICENSE file.", |
| "", |
| "d3d_features.json: Features and workarounds for D3D driver bugs and other issues." |
| ], |
| "features": [ |
| { |
| "name": "mrt_perf_workaround", |
| "category": "Workarounds", |
| "description": [ |
| "Some drivers have a bug where they ignore null render targets" |
| ] |
| }, |
| { |
| "name": "set_data_faster_than_image_upload", |
| "category": "Workarounds", |
| "description": [ |
| "Set data faster than image upload" |
| ] |
| }, |
| { |
| "name": "zero_max_lod_workaround", |
| "category": "Workarounds", |
| "description": [ |
| "Missing an option to disable mipmaps on a mipmapped texture" |
| ] |
| }, |
| { |
| "name": "use_instanced_point_sprite_emulation", |
| "category": "Workarounds", |
| "description": [ |
| "Some D3D11 renderers do not support geometry shaders for pointsprite emulation" |
| ] |
| }, |
| { |
| "name": "depth_stencil_blit_extra_copy", |
| "category": "Workarounds", |
| "description": [ |
| "Bug in some drivers triggers a TDR when using CopySubresourceRegion from a staging ", |
| "texture to a depth/stencil" |
| ], |
| "issue": "http://anglebug.com/1452" |
| }, |
| { |
| "name": "expand_integer_pow_expressions", |
| "category": "Workarounds", |
| "description": [ |
| "The HLSL optimizer has a bug with optimizing 'pow' in certain integer-valued expressions" |
| ] |
| }, |
| { |
| "name": "flush_after_ending_transform_feedback", |
| "category": "Workarounds", |
| "description": [ |
| "Some drivers sometimes write out-of-order results to StreamOut buffers when transform ", |
| "feedback is used to repeatedly write to the same buffer positions" |
| ] |
| }, |
| { |
| "name": "get_dimensions_ignores_base_level", |
| "category": "Workarounds", |
| "description": [ |
| "Some drivers do not take into account the base level of the ", |
| "texture in the results of the HLSL GetDimensions builtin" |
| ] |
| }, |
| { |
| "name": "pre_add_texel_fetch_offsets", |
| "category": "Workarounds", |
| "description": [ |
| "HLSL's function texture.Load returns 0 when the parameter Location is negative, even if ", |
| "the sum of Offset and Location is in range" |
| ] |
| }, |
| { |
| "name": "emulate_tiny_stencil_textures", |
| "category": "Workarounds", |
| "description": [ |
| "1x1 and 2x2 mips of depth/stencil textures aren't sampled correctly" |
| ] |
| }, |
| { |
| "name": "disable_B5G6R5_support", |
| "category": "Workarounds", |
| "description": [ |
| "Textures with the format ", |
| "DXGI_FORMAT_B5G6R5_UNORM have incorrect data" |
| ] |
| }, |
| { |
| "name": "rewrite_unary_minus_operator", |
| "category": "Workarounds", |
| "description": [ |
| "Evaluating unary minus operator on integer may get wrong answer in vertex shaders" |
| ] |
| }, |
| { |
| "name": "emulate_isnan_float", |
| "category": "Workarounds", |
| "description": [ |
| "Using isnan() on highp float will get wrong answer" |
| ], |
| "issue": "https://crbug.com/650547" |
| }, |
| { |
| "name": "call_clear_twice", |
| "category": "Workarounds", |
| "description": [ |
| "Using clear() may not take effect" |
| ], |
| "issue": "https://crbug.com/655534" |
| }, |
| { |
| "name": "use_system_memory_for_constant_buffers", |
| "category": "Workarounds", |
| "description": [ |
| "Copying from staging storage to constant buffer ", |
| "storage does not work" |
| ], |
| "issue": "https://crbug.com/593024" |
| }, |
| { |
| "name": "select_view_in_geometry_shader", |
| "category": "Workarounds", |
| "description": [ |
| "The viewport or render target slice will be selected in the geometry shader stage for ", |
| "the ANGLE_multiview extension" |
| ] |
| }, |
| { |
| "name": "add_mock_texture_no_render_target", |
| "category": "Workarounds", |
| "description": [ |
| "On some drivers when rendering with no render target, two bugs lead to incorrect behavior" |
| ], |
| "issue": "http://anglebug.com/2152" |
| }, |
| { |
| "name": "skip_VS_constant_register_zero", |
| "category": "Workarounds", |
| "description": [ |
| "In specific cases the driver doesn't handle constant register zero correctly" |
| ] |
| }, |
| { |
| "name": "force_atomic_value_resolution", |
| "category": "Workarounds", |
| "description": [ |
| "On some drivers the return value from RWByteAddressBuffer.InterlockedAdd does not resolve ", |
| "when used in the .yzw components of a RWByteAddressBuffer.Store operation" |
| ], |
| "issue": "http://anglebug.com/3246" |
| }, |
| { |
| "name": "allow_clear_for_robust_resource_init", |
| "category": "Workarounds", |
| "description": [ |
| "Some drivers corrupt texture data when clearing for robust resource initialization." |
| ], |
| "issue": "http://crbug.com/941620" |
| }, |
| { |
| "name": "allow_translate_uniform_block_to_structured_buffer", |
| "category": "Workarounds", |
| "description": [ |
| "There is a slow fxc compile performance issue with dynamic uniform indexing if ", |
| "translating a uniform block with a large array member to cbuffer." |
| ], |
| "issue": "http://anglebug.com/3682" |
| }, |
| { |
| "name": "allow_ES3_on_FL10_0", |
| "category": "Workarounds", |
| "description": [ |
| "Allow ES3 on 10.0 devices" |
| ] |
| } |
| ] |
| } |