WebGL MAX parameters support Max Vertex Attributes: 16 Max Varying Vectors: 30 Max Vertex Uniform Vectors: 4095 Max Fragment Uniform Vectors: 1024 Max Fragment Texture Image Units: 16 Max Vertex Texture Image Units: 16 Max Combined Texture Image Units: 32 Max 2D Texture Size: 16384 Max Cube Texture Size: 16384 Max Texture Anisotropy: 16 Point Size Range: 1 - 1024 Line Width Range: 1 - 1 Max Viewport Dimensions: 32767 - 32767 Max Renderbuffer Size: 16384 Framebuffer Red Bits: 8 Framebuffer Green Bits: 8 Framebuffer Blue Bits: 8 Framebuffer Alpha Bits: 8 Framebuffer Depth Bits: 24 Framebuffer Stencil Bits: 8 Framebuffer Subpixel Bits: 4 MSAA Samples: 4 MSAA Sample Buffers: 1 Supported Formats for UByte Render Targets : RGBA RGB Supported Formats for Half Float Render Targets: RGBA Supported Formats for Full Float Render Targets: RGBA Max Multiple Render Targets Buffers: 8 High Float Precision in Vertex Shader: 23 (-2127 - 2127) Medium Float Precision in Vertex Shader: 23 (-2127 - 2127) Low Float Precision in Vertex Shader: 23 (-2127 - 2127) High Float Precision in Fragment Shader: 23 (-2127 - 2127) Medium Float Precision in Fragment Shader: 23 (-2127 - 2127) Low Float Precision in Fragment Shader: 23 (-2127 - 2127) High Int Precision in Vertex Shader: 0 (-231 - 230) Medium Int Precision in Vertex Shader: 0 (-231 - 230) Low Int Precision in Vertex Shader: 0 (-231 - 230) High Int Precision in Fragment Shader: 0 (-231 - 230) Medium Int Precision in Fragment Shader: 0 (-231 - 230) Low Int Precision in Fragment Shader: 0 (-231 - 230) Supported Extensions: ANGLE_instanced_arrays EXT_blend_minmax EXT_color_buffer_half_float EXT_disjoint_timer_query EXT_float_blend EXT_frag_depth EXT_shader_texture_lod EXT_sRGB EXT_texture_compression_bptc EXT_texture_compression_rgtc EXT_texture_filter_anisotropic MOZ_debug OES_element_index_uint OES_fbo_render_mipmap OES_standard_derivatives OES_texture_float OES_texture_float_linear OES_texture_half_float OES_texture_half_float_linear OES_vertex_array_object WEBGL_color_buffer_float WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_depth_texture WEBGL_draw_buffers WEBGL_lose_context WebGL Renderer: ANGLE (NVIDIA GeForce GTX 980 Direct3D11 vs_5_0 ps_5_0) WebGL Vendor: Mozilla WebGL Version: WebGL 1.0 Shading Language Version: WebGL GLSL ES 1.0 Unmasked Renderer: ANGLE (NVIDIA GeForce GTX 980 Direct3D11 vs_5_0 ps_5_0) Unmasked Vendor: Google Inc.