Web3D Survey - WebGL 1 Results

WebGL 1 Support

99.55%

(3% of which report a major performance caveat.)

WebGL Platform Support (Alphabetical)

Platform	Support
Android	99.48%
Chromium OS	99.89%
iOS	99.84%
Linux	98.68%
Mac OS	99.19%
Windows	99.76%

WebGL 1 Extensions (Alphabetical)

Extensions	Support
ANGLE_instanced_arrays	99.98%
EXT_blend_minmax	100%
EXT_clip_control	78.05%
EXT_color_buffer_half_float	95.29%
EXT_depth_clamp	80.69%
EXT_disjoint_timer_query	63.32%
EXT_float_blend	89.05%
EXT_frag_depth	88.56%
EXT_shader_texture_lod	84.02%
EXT_sRGB	98.74%
EXT_texture_compression_bptc	75.85%
EXT_texture_compression_rgtc	78.22%
EXT_texture_filter_anisotropic	98.65%
EXT_texture_mirror_clamp_to_edge	74.51%
KHR_parallel_shader_compile	75.51%
OES_element_index_uint	99.98%
OES_fbo_render_mipmap	99.77%
OES_standard_derivatives	99.99%
OES_texture_float	95.56%
OES_texture_float_linear	85.57%
OES_texture_half_float	95.51%
OES_texture_half_float_linear	94.78%
OES_vertex_array_object	100%
WEBGL_color_buffer_float	95.26%
WEBGL_compressed_texture_astc	49.03%
WEBGL_compressed_texture_etc	49.71%
WEBGL_compressed_texture_etc1	48.56%
WEBGL_compressed_texture_pvrtc	25.03%
WEBGL_compressed_texture_s3tc	79.33%
WEBGL_compressed_texture_s3tc_srgb	79%
WEBGL_debug_renderer_info	99.94%
WEBGL_debug_shaders	99.38%
WEBGL_depth_texture	99.96%
WEBGL_draw_buffers	89.17%
WEBGL_lose_context	100%
WEBGL_multi_draw	92.74%
WEBGL_polygon_mode	72.99%
WEBKIT_WEBGL_compressed_texture_pvrtc	14.66%

WebGL 1 Parameters (Alphabetical)

Parameter	Values - Support
MAX_COLOR_ATTACHMENTS_WEBGL	0 - 100% 1 - 100% 4 - 100% 6 - 99.8% 8 - 97.56%
MAX_COMBINED_TEXTURE_IMAGE_UNITS	8 - 100% 14 - 99.94% 16 - 99.94% 20 - 99.86% 30 - 99.2% 32 - 99.2% 48 - 27.27% 54 - 25.86% 64 - 25.86% 78 - 13.27% 80 - 13.27% 96 - 12.19% 112 - 3.45% 128 - 3.42% 144 - 3.42% 190 - 3.34% 192 - 3.34% 255 - 1.6% 256 - 1.52% 384 - 1.52%
MAX_CUBE_MAP_TEXTURE_SIZE	512 - 100% 1024 - 100% 2048 - 100% 4096 - 99.94% 8191 - 89.45% 8192 - 89.44% 16383 - 86.15% 16384 - 85.46% 32768 - 0.71%
MAX_DRAW_BUFFERS_WEBGL	0 - 100% 1 - 100% 2 - 100% 4 - 100% 6 - 99.8% 8 - 97.56%
MAX_DUAL_SOURCE_DRAW_BUFFERS_EXT	1 - 100%
MAX_FRAGMENT_UNIFORM_VECTORS	32 - 100% 64 - 100% 112 - 99.96% 220 - 99.96% 221 - 99.29% 224 - 99.28% 256 - 99.12% 261 - 94.29% 300 - 94.21% 512 - 94.21% 768 - 94.19% 1024 - 94.18% 2048 - 11.56% 4095 - 11.55% 4096 - 11.53%
MAX_RENDERBUFFER_SIZE	1024 - 100% 2048 - 100% 4096 - 99.95% 8191 - 99.42% 8192 - 99.41% 16383 - 92.04% 16384 - 87.76% 32768 - 0.96%
MAX_TEXTURE_IMAGE_UNITS	2 - 100% 4 - 100% 8 - 100% 16 - 99.88% 18 - 16.35% 24 - 16.35% 32 - 16.25% 64 - 1.6%
MAX_TEXTURE_MAX_ANISOTROPY_EXT	0 - 100% 2 - 100% 4 - 99.81% 8 - 99.81% 16 - 99.81%
MAX_TEXTURE_SIZE	1024 - 100% 2048 - 100% 4096 - 99.95% 8191 - 89.38% 8192 - 89.38% 16383 - 83.45% 16384 - 82.73% 32768 - 0.69%
MAX_VARYING_VECTORS	8 - 100% 9 - 99.92% 10 - 99.25% 12 - 99.25% 14 - 99.23% 15 - 99.19% 16 - 97% 17 - 96.9% 20 - 96.9% 27 - 96.9% 28 - 94.6% 29 - 94.52% 30 - 94.52% 31 - 35.49% 32 - 10.64%
MAX_VERTEX_ATTRIBS	2 - 100% 4 - 100% 8 - 100% 16 - 99.98% 32 - 7.32%
MAX_VERTEX_TEXTURE_IMAGE_UNITS	0 - 100% 2 - 99.97% 4 - 99.97% 8 - 99.3% 16 - 99.21% 18 - 17.01% 24 - 17% 32 - 16.92% 64 - 1.52%
MAX_VERTEX_UNIFORM_VECTORS	128 - 100% 253 - 99.97% 256 - 99.28% 300 - 94.33% 512 - 94.33% 768 - 94.17% 1024 - 94.15% 2047 - 56.4% 2048 - 56.39% 4088 - 56.39% 4095 - 56.39% 4096 - 42.35%
MAX_VIEWPORT_HEIGHT	0 - 100% 2048 - 100% 4096 - 99.99% 8192 - 99.44% 16383 - 94.08% 16384 - 89.6% 32767 - 46.01% 32768 - 1.11%
MAX_VIEWPORT_WIDTH	0 - 100% 1 - 100% 2048 - 100% 4096 - 99.99% 8192 - 99.44% 16383 - 94.05% 16384 - 89.57% 32767 - 46.06% 32768 - 1.11%