Web3D Survey - WebGL 1 Results

WebGL 1 Support

99.56%

(2.95% of which report a major performance caveat.)

WebGL Platform Support (Alphabetical)

Platform	Support
Android	99.51%
Chromium OS	99.96%
iOS	99.7%
Linux	98.64%
Mac OS	99.16%
Windows	99.74%

WebGL 1 Extensions (Alphabetical)

Extensions	Support
ANGLE_instanced_arrays	99.98%
EXT_blend_minmax	100%
EXT_clip_control	75.59%
EXT_color_buffer_half_float	93.94%
EXT_depth_clamp	79.3%
EXT_disjoint_timer_query	64.15%
EXT_float_blend	90.13%
EXT_frag_depth	85.78%
EXT_shader_texture_lod	80.56%
EXT_sRGB	98.66%
EXT_texture_compression_bptc	74.56%
EXT_texture_compression_rgtc	76.34%
EXT_texture_filter_anisotropic	98.46%
EXT_texture_mirror_clamp_to_edge	72.49%
KHR_parallel_shader_compile	72.19%
OES_element_index_uint	99.98%
OES_fbo_render_mipmap	99.81%
OES_standard_derivatives	100%
OES_texture_float	94.06%
OES_texture_float_linear	85.46%
OES_texture_half_float	94.06%
OES_texture_half_float_linear	92.83%
OES_vertex_array_object	100%
WEBGL_color_buffer_float	94.75%
WEBGL_compressed_texture_astc	49.33%
WEBGL_compressed_texture_etc	50.11%
WEBGL_compressed_texture_etc1	49.84%
WEBGL_compressed_texture_pvrtc	23.49%
WEBGL_compressed_texture_s3tc	77.56%
WEBGL_compressed_texture_s3tc_srgb	78.96%
WEBGL_debug_renderer_info	99.95%
WEBGL_debug_shaders	99.44%
WEBGL_depth_texture	99.95%
WEBGL_draw_buffers	86.48%
WEBGL_lose_context	100%
WEBGL_multi_draw	93.14%
WEBGL_polygon_mode	69.41%
WEBKIT_WEBGL_compressed_texture_pvrtc	12.95%

WebGL 1 Parameters (Alphabetical)

Parameter	Values - Support
MAX_COLOR_ATTACHMENTS_WEBGL	1 - 100% 4 - 100% 6 - 99.75% 8 - 97.5%
MAX_COMBINED_TEXTURE_IMAGE_UNITS	8 - 100% 12 - 99.94% 14 - 99.94% 16 - 99.94% 20 - 99.88% 30 - 99.23% 32 - 99.22% 48 - 31.46% 64 - 29.7% 78 - 15.63% 80 - 15.63% 96 - 14.69% 112 - 3.94% 128 - 3.88% 144 - 3.88% 190 - 3.77% 192 - 3.76% 255 - 2.12% 256 - 2.04% 384 - 2.04% 768 - 0.56%
MAX_CUBE_MAP_TEXTURE_SIZE	512 - 100% 1024 - 100% 2048 - 100% 4096 - 99.95% 8192 - 86.81% 16383 - 83.68% 16384 - 82.78% 32768 - 0.65%
MAX_DRAW_BUFFERS_WEBGL	1 - 100% 4 - 100% 6 - 99.75% 8 - 97.5%
MAX_DUAL_SOURCE_DRAW_BUFFERS_EXT	1 - 100%
MAX_FRAGMENT_UNIFORM_VECTORS	32 - 100% 64 - 100% 112 - 99.96% 220 - 99.96% 221 - 99.32% 224 - 99.31% 256 - 99.17% 261 - 93.46% 512 - 93.42% 768 - 93.38% 1024 - 93.36% 2048 - 13.32% 4095 - 13.32% 4096 - 13.3%
MAX_RENDERBUFFER_SIZE	1024 - 100% 2048 - 100% 4096 - 99.95% 8192 - 99.4% 16383 - 92.04% 16384 - 87.13% 32768 - 0.95%
MAX_TEXTURE_IMAGE_UNITS	2 - 100% 4 - 100% 8 - 100% 16 - 99.88% 24 - 18.33% 32 - 18.2% 64 - 2.12% 128 - 0.57%
MAX_TEXTURE_MAX_ANISOTROPY_EXT	0 - 100% 2 - 100% 4 - 99.77% 8 - 99.77% 16 - 99.77%
MAX_TEXTURE_SIZE	2048 - 100% 4096 - 99.95% 8192 - 87.19% 16383 - 81.48% 16384 - 80.54% 32768 - 0.65%
MAX_VARYING_VECTORS	4 - 100% 8 - 100% 9 - 99.92% 10 - 99.25% 12 - 99.25% 14 - 99.23% 15 - 99.2% 16 - 96.76% 17 - 96.67% 27 - 96.66% 28 - 93.85% 29 - 93.69% 30 - 93.69% 31 - 35.63% 32 - 10.59%
MAX_VERTEX_ATTRIBS	2 - 100% 4 - 100% 8 - 100% 10 - 99.98% 16 - 99.98% 29 - 8.99% 32 - 8.99%
MAX_VERTEX_TEXTURE_IMAGE_UNITS	0 - 100% 2 - 99.98% 4 - 99.97% 8 - 99.33% 16 - 99.25% 24 - 18.32% 32 - 18.19% 64 - 2.11% 128 - 0.57%
MAX_VERTEX_UNIFORM_VECTORS	128 - 100% 253 - 99.96% 256 - 99.31% 512 - 93.55% 768 - 93.36% 1024 - 93.34% 2047 - 57.23% 2048 - 57.23% 4087 - 57.22% 4088 - 57.22% 4095 - 57.22% 4096 - 44.14%
MAX_VIEWPORT_HEIGHT	2048 - 100% 4096 - 100% 8192 - 99.35% 16383 - 93.73% 16384 - 87.82% 32767 - 44.79% 32768 - 1.1%
MAX_VIEWPORT_WIDTH	1 - 100% 2048 - 100% 4096 - 100% 8192 - 99.41% 16383 - 93.95% 16384 - 88.85% 32767 - 45.87% 32768 - 1.11%