Web3D Survey - WebGL 1 Results

WebGL 1 Support

99.7%

(2.71% of which report a major performance caveat.)

WebGL Platform Support (Alphabetical)

Platform	Support
Android	99.52%
Chromium OS	99.96%
iOS	99.7%
Linux	99.03%
Mac OS	99.68%
Windows	99.73%

WebGL 1 Extensions (Alphabetical)

Extensions	Support
ANGLE_instanced_arrays	99.96%
EXT_blend_minmax	99.99%
EXT_clip_control	77.89%
EXT_color_buffer_half_float	96.18%
EXT_depth_clamp	79.83%
EXT_disjoint_timer_query	66.5%
EXT_float_blend	88.05%
EXT_frag_depth	89.11%
EXT_shader_texture_lod	79.41%
EXT_sRGB	98.65%
EXT_texture_compression_bptc	75.4%
EXT_texture_compression_rgtc	77.34%
EXT_texture_filter_anisotropic	98.59%
EXT_texture_mirror_clamp_to_edge	70.65%
KHR_parallel_shader_compile	75.12%
OES_element_index_uint	99.96%
OES_fbo_render_mipmap	99.68%
OES_standard_derivatives	99.98%
OES_texture_float	96.33%
OES_texture_float_linear	84.72%
OES_texture_half_float	96.33%
OES_texture_half_float_linear	95.52%
OES_vertex_array_object	99.99%
WEBGL_color_buffer_float	96.1%
WEBGL_compressed_texture_astc	51.54%
WEBGL_compressed_texture_etc	52.5%
WEBGL_compressed_texture_etc1	51.33%
WEBGL_compressed_texture_pvrtc	22.59%
WEBGL_compressed_texture_s3tc	78.43%
WEBGL_compressed_texture_s3tc_srgb	78.28%
WEBGL_debug_renderer_info	99.96%
WEBGL_debug_shaders	99.35%
WEBGL_depth_texture	99.94%
WEBGL_draw_buffers	89.52%
WEBGL_lose_context	99.99%
WEBGL_multi_draw	93.42%
WEBGL_polygon_mode	67.66%
WEBKIT_WEBGL_compressed_texture_pvrtc	13.84%

WebGL 1 Parameters (Alphabetical)

Parameter	Values - Support
MAX_COLOR_ATTACHMENTS_WEBGL	1 - 100% 4 - 100% 6 - 99.59% 8 - 99.58%
MAX_COMBINED_TEXTURE_IMAGE_UNITS	8 - 100% 16 - 99.92% 20 - 99.86% 30 - 99.22% 32 - 99.22% 48 - 32.48% 64 - 30.09% 78 - 10.96% 80 - 10.96% 96 - 10.12% 112 - 2.97% 128 - 2.93% 144 - 2.93% 160 - 2.89% 190 - 2.89% 192 - 2.89% 255 - 1.32% 256 - 1.27% 384 - 1.26%
MAX_CUBE_MAP_TEXTURE_SIZE	512 - 100% 1024 - 100% 2048 - 99.99% 4096 - 99.94% 8192 - 91.04% 16383 - 87.8% 16384 - 86.52% 32768 - 0.57%
MAX_DRAW_BUFFERS_WEBGL	1 - 100% 4 - 100% 6 - 99.59% 8 - 99.58%
MAX_DUAL_SOURCE_DRAW_BUFFERS_EXT	1 - 100%
MAX_FRAGMENT_UNIFORM_VECTORS	32 - 100% 64 - 100% 112 - 99.94% 220 - 99.94% 221 - 99.32% 224 - 99.3% 256 - 99.1% 261 - 94.71% 512 - 94.62% 768 - 94.61% 1024 - 94.59% 2048 - 11.64% 4095 - 11.63% 4096 - 11.62%
MAX_RENDERBUFFER_SIZE	1024 - 100% 2048 - 100% 4096 - 99.96% 8192 - 99.46% 16383 - 92.61% 16384 - 88.45% 32768 - 0.78%
MAX_TEXTURE_IMAGE_UNITS	2 - 100% 4 - 100% 8 - 100% 16 - 99.87% 24 - 22.18% 32 - 22.13% 64 - 1.32%
MAX_TEXTURE_MAX_ANISOTROPY_EXT	0 - 100% 2 - 100% 4 - 99.71% 8 - 99.7% 16 - 99.7%
MAX_TEXTURE_SIZE	1024 - 100% 2048 - 100% 4096 - 99.96% 8192 - 90.6% 16383 - 85.18% 16384 - 83.9% 32768 - 0.56%
MAX_VARYING_VECTORS	8 - 100% 9 - 99.91% 10 - 99.28% 12 - 99.27% 14 - 99.25% 15 - 99.18% 16 - 96.72% 26 - 96.62% 27 - 96.62% 28 - 93.61% 30 - 92.71% 31 - 38.47% 32 - 14.56%
MAX_VERTEX_ATTRIBS	2 - 100% 4 - 100% 8 - 100% 16 - 99.99% 32 - 5.81%
MAX_VERTEX_TEXTURE_IMAGE_UNITS	0 - 100% 2 - 99.97% 4 - 99.96% 8 - 99.33% 16 - 99.24% 24 - 21.98% 32 - 21.93% 64 - 1.32%
MAX_VERTEX_UNIFORM_VECTORS	128 - 100% 253 - 99.95% 256 - 99.31% 462 - 94.81% 512 - 94.81% 768 - 94.58% 1024 - 94.56% 2047 - 53.98% 2048 - 53.98% 4088 - 53.98% 4095 - 53.97% 4096 - 42.24%
MAX_VIEWPORT_HEIGHT	0 - 100% 2048 - 100% 4096 - 99.99% 8192 - 99.47% 16383 - 94.3% 16384 - 89.92% 32767 - 43.42% 32768 - 1.3%
MAX_VIEWPORT_WIDTH	0 - 100% 1 - 100% 2048 - 100% 4096 - 99.99% 8192 - 99.47% 16383 - 94.3% 16384 - 89.92% 32767 - 43.42% 32768 - 1.29%