Web3D Survey - WebGL 1 Results

WebGL 1 Support

99.57%

(3.21% of which report a major performance caveat.)

WebGL Platform Support (Alphabetical)

Platform	Support
Android	99.5%
Chromium OS	99.96%
iOS	99.81%
Linux	99.04%
Mac OS	99.4%
Windows	99.62%

WebGL 1 Extensions (Alphabetical)

Extensions	Support
ANGLE_instanced_arrays	99.97%
EXT_blend_minmax	100%
EXT_clip_control	77.9%
EXT_color_buffer_half_float	94.95%
EXT_depth_clamp	80.33%
EXT_disjoint_timer_query	64.04%
EXT_float_blend	90.1%
EXT_frag_depth	87.72%
EXT_shader_texture_lod	81.9%
EXT_sRGB	99.01%
EXT_texture_compression_bptc	76.42%
EXT_texture_compression_rgtc	78.16%
EXT_texture_filter_anisotropic	98.89%
EXT_texture_mirror_clamp_to_edge	75.14%
KHR_parallel_shader_compile	72.82%
OES_element_index_uint	99.98%
OES_fbo_render_mipmap	99.83%
OES_standard_derivatives	100%
OES_texture_float	95.06%
OES_texture_float_linear	85.78%
OES_texture_half_float	95.06%
OES_texture_half_float_linear	94.34%
OES_vertex_array_object	100%
WEBGL_color_buffer_float	95%
WEBGL_compressed_texture_astc	51.39%
WEBGL_compressed_texture_etc	52.26%
WEBGL_compressed_texture_etc1	50.85%
WEBGL_compressed_texture_pvrtc	24.07%
WEBGL_compressed_texture_s3tc	79.53%
WEBGL_compressed_texture_s3tc_srgb	79.42%
WEBGL_debug_renderer_info	99.98%
WEBGL_debug_shaders	99.56%
WEBGL_depth_texture	99.96%
WEBGL_draw_buffers	87.95%
WEBGL_lose_context	100%
WEBGL_multi_draw	93.2%
WEBGL_polygon_mode	72.06%
WEBKIT_WEBGL_compressed_texture_pvrtc	13.72%

WebGL 1 Parameters (Alphabetical)

Parameter	Values - Support
MAX_COLOR_ATTACHMENTS_WEBGL	0 - 100% 1 - 100% 4 - 99.99% 6 - 99.83% 8 - 96.96%
MAX_COMBINED_TEXTURE_IMAGE_UNITS	8 - 100% 14 - 99.96% 16 - 99.96% 20 - 99.91% 24 - 99.34% 30 - 99.34% 32 - 99.33% 48 - 30.59% 64 - 28.76% 78 - 13.78% 80 - 13.78% 96 - 12.84% 112 - 3.36% 128 - 3.31% 144 - 3.31% 160 - 3.22% 190 - 3.22% 192 - 3.21% 255 - 1.64% 256 - 1.58% 384 - 1.58%
MAX_CUBE_MAP_TEXTURE_SIZE	512 - 100% 1024 - 100% 2048 - 100% 4096 - 99.95% 4544 - 91.18% 8192 - 91.18% 16383 - 85.66% 16384 - 84.48% 32768 - 0.66%
MAX_DRAW_BUFFERS_WEBGL	1 - 100% 4 - 100% 6 - 99.83% 8 - 96.96%
MAX_DUAL_SOURCE_DRAW_BUFFERS_EXT	1 - 100%
MAX_FRAGMENT_UNIFORM_VECTORS	64 - 100% 112 - 99.98% 128 - 99.98% 220 - 99.98% 221 - 99.42% 224 - 99.41% 256 - 99.33% 261 - 94.26% 512 - 94.18% 768 - 94.16% 1023 - 94.14% 1024 - 94.14% 2048 - 13.83% 4095 - 13.82% 4096 - 13.81%
MAX_RENDERBUFFER_SIZE	1024 - 100% 2048 - 100% 4096 - 99.96% 8192 - 99.52% 16383 - 92.39% 16384 - 87.27% 32768 - 0.98%
MAX_TEXTURE_IMAGE_UNITS	4 - 100% 8 - 100% 16 - 99.89% 24 - 18.76% 32 - 18.65% 64 - 1.66%
MAX_TEXTURE_MAX_ANISOTROPY_EXT	0 - 100% 2 - 100% 4 - 99.81% 16 - 99.81%
MAX_TEXTURE_SIZE	1024 - 100% 2048 - 100% 2799 - 99.95% 4096 - 99.95% 8192 - 90.54% 16383 - 82.27% 16384 - 81.11% 32768 - 0.67%
MAX_VARYING_VECTORS	4 - 100% 8 - 100% 9 - 99.94% 10 - 99.37% 12 - 99.37% 14 - 99.35% 15 - 99.31% 16 - 97.5% 17 - 97.41% 20 - 97.41% 26 - 97.41% 27 - 97.41% 28 - 93.63% 29 - 93.56% 30 - 93.56% 31 - 35.86% 32 - 10.14%
MAX_VERTEX_ATTRIBS	0 - 100% 4 - 100% 8 - 100% 12 - 99.97% 16 - 99.97% 32 - 8.11%
MAX_VERTEX_TEXTURE_IMAGE_UNITS	0 - 100% 3 - 99.98% 4 - 99.98% 8 - 99.41% 16 - 99.34% 24 - 18.76% 26 - 18.65% 27 - 18.65% 32 - 18.65% 64 - 1.64%
MAX_VERTEX_UNIFORM_VECTORS	128 - 100% 253 - 99.98% 256 - 99.41% 512 - 94.26% 632 - 94.15% 768 - 94.15% 1015 - 94.13% 1024 - 94.13% 1904 - 57.35% 2047 - 57.35% 2048 - 57.34% 2542 - 57.33% 4088 - 57.33% 4095 - 57.33% 4096 - 43.74%
MAX_VIEWPORT_HEIGHT	0 - 100% 2048 - 100% 4096 - 99.99% 8192 - 99.54% 16383 - 94.25% 16384 - 88.96% 32767 - 44.46% 32768 - 1.13%
MAX_VIEWPORT_WIDTH	0 - 100% 1 - 100% 2048 - 100% 4096 - 99.99% 8192 - 99.54% 16383 - 94.24% 16384 - 88.95% 32767 - 44.46% 32768 - 1.13%