include/platform/d3d_features.json

{
    "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": "border_color_srgb",
            "category": "Workarounds",
            "description": [
                "Some drivers expect sRGB border color for sRGB texture formats"
            ]
        },
        {
            "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"
            ]
        },
        {
            "name": "disable_rasterizer_order_views",
            "category": "Workarounds",
            "description": [
                "Disable ROVs for testing"
            ],
            "issue": "http://anglebug.com/7279"
        },
        {
            "name": "enable_timestamp_queries",
            "category": "Workarounds",
            "description": [
                "Enable timestamp on GL_EXT_disjoint_timer_query extension"
            ]
        },
        {
            "name": "supports_non_constant_loop_indexing",
            "category": "Workarounds",
            "description": [
                "Whether the API supports non-constant loop indexing"
            ]
        }
    ]
}