spector 浏览器兼容性解读
- Canvas
- width: 1300
- height: 789
- clientWidth: 1300
- clientHeight: 789
- browserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.77 Safari/537.36 Edg/91.0.864.41
- Context
- Context Attributes (API)
- alpha: false
- antialias: true
- depth: true
- failIfMajorPerformanceCaveat: false
- powerPreference: default
- premultipliedAlpha: true
- preserveDrawingBuffer: false
- stencil: true
- desynchronized: false
- xrCompatible: false
- Capabilities
- RENDERER: WebKit WebGL
- VENDOR: WebKit
- VERSION: WebGL 2.0 (OpenGL ES 3.0 Chromium)
- SHADING_LANGUAGE_VERSION: WebGL GLSL ES 3.00 (OpenGL ES GLSL ES 3.0 Chromium)
- SAMPLES: 4
- SAMPLE_BUFFERS: 1
- RED_BITS: 8
- GREEN_BITS: 8
- BLUE_BITS: 8
- ALPHA_BITS: 0
- DEPTH_BITS: 24
- STENCIL_BITS: 8
- SUBPIXEL_BITS: 4
- LINE_WIDTH: 1
- ALIASED_LINE_WIDTH_RANGE: 1, 1
- ALIASED_POINT_SIZE_RANGE: 1, 1024
- IMPLEMENTATION_COLOR_READ_FORMAT: RGBA
- IMPLEMENTATION_COLOR_READ_TYPE: UNSIGNED_BYTE
- MAX_COMBINED_TEXTURE_IMAGE_UNITS: 32
- MAX_CUBE_MAP_TEXTURE_SIZE: 16384
- MAX_FRAGMENT_UNIFORM_VECTORS: 1024
- MAX_RENDERBUFFER_SIZE: 16384
- MAX_TEXTURE_IMAGE_UNITS: 16
- MAX_TEXTURE_SIZE: 16384
- MAX_VARYING_VECTORS: 30
- MAX_VERTEX_ATTRIBS: 16
- MAX_VERTEX_TEXTURE_IMAGE_UNITS: 16
- MAX_VERTEX_UNIFORM_VECTORS: 4096
- MAX_VIEWPORT_DIMS: 32767, 32767
- MAX_TEXTURE_MAX_ANISOTROPY_EXT: 16
- MAX_COLOR_ATTACHMENTS_WEBGL: Extension WEBGL_draw_buffers is unavailble.
- MAX_DRAW_BUFFERS_WEBGL: Extension WEBGL_draw_buffers is unavailble.
- MAX_3D_TEXTURE_SIZE: 2048
- MAX_ARRAY_TEXTURE_LAYERS: 2048
- MAX_CLIENT_WAIT_TIMEOUT_WEBGL: 0
- MAX_COLOR_ATTACHMENTS: 8
- MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS: 200704
- MAX_COMBINED_UNIFORM_BLOCKS: 24
- MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS: 212992
- MAX_DRAW_BUFFERS: 8
- MAX_ELEMENT_INDEX: 4294967294
- MAX_ELEMENTS_INDICES: 2147483647
- MAX_ELEMENTS_VERTICES: 2147483647
- MAX_FRAGMENT_INPUT_COMPONENTS: 120
- MAX_FRAGMENT_UNIFORM_BLOCKS: 12
- MAX_FRAGMENT_UNIFORM_COMPONENTS: 4096
- MAX_PROGRAM_TEXEL_OFFSET: 7
- MAX_SAMPLES: 16
- MAX_SERVER_WAIT_TIMEOUT: 0
- MAX_TEXTURE_LOD_BIAS: 2
- MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS: 120
- MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS: 4
- MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS: 4
- MAX_UNIFORM_BLOCK_SIZE: 65536
- MAX_UNIFORM_BUFFER_BINDINGS: 24
- MAX_VARYING_COMPONENTS: 120
- MAX_VERTEX_OUTPUT_COMPONENTS: 120
- MAX_VERTEX_UNIFORM_BLOCKS: 12
- MAX_VERTEX_UNIFORM_COMPONENTS: 16384
- MIN_PROGRAM_TEXEL_OFFSET: -8
- Extensions
- EXT_color_buffer_float: true
- EXT_disjoint_timer_query: false
- EXT_disjoint_timer_query_webgl2: true
- EXT_texture_filter_anisotropic: true
- OES_texture_float_linear: true
- WEBGL_compressed_texture_astc: false
- WEBGL_compressed_texture_atc: false
- WEBGL_compressed_texture_etc: false
- WEBGL_compressed_texture_etc1: false
- WEBGL_compressed_texture_pvrtc: false
- WEBGL_compressed_texture_s3tc: true
