Vendor

ATI

Intel

Matrox

3dfx

3DLabs

Sun

S3

SiS

Trident

Via

Chip

R200

R100

Rage128

Mach64

i810

i830

i915

G200/400/450/550

Voodoo3

Voodoo5

Gamma

FFB

Savage3D

Savage4

Virge

300/630/730

6326

Trident

Via

Hardware Stencil

@32bpp

@32bpp

@32bpp

no

no

@32bpp

@32bpp

@32bpp

no

@32bpp

no

(bpp?)

@32bpp

@32bpp

X

(bpp?)

X

no

X

Hardware Alpha Channel

@32bpp

@32bpp

no

no

no

@32bpp

X

@32bpp

no

@32bpp

@32bpp

@32bpp

X

X

X

@32bpp

X

no

X

Hardware TCL

YES

YES

no

no

no

no

X

no

no

no

YES

no

no

no

no

no

no

no

X

ARB_multitexture (units)

YES (2?)

YES (2?)

YES (2)

YES (2)

YES (2)

YES (2)

X

YES (G200:1, G400+:2)

YES (2)

YES (2)

no

no

no

YES (2)

no

no

no

no

X

ARB/SGIS_texture_border_clamp

YES

YES

no

no

no

YES

X

no

no

no

no

no

X

X

no

no

X

no

X

ARB_texture_cube_map

YES*

no

no

no

no

no

X

no

no

no

no

no

X

X

no

no

X

no

X

ARB/EXT_texture_env_add

YES

YES

YES

no

YES

YES

X

YES (G400+)

YES

YES

no

no

X

X

no

no

X

no

X

ARB/EXT_texture_env_dot3

YES

YES

no

no

no

YES

X

no

no

no

no

no

X

X

no

no

X

no

X

ARB/EXT_texture_env_combine

YES

YES

no

no

no

YES

X

no

no

YES

no

no

X

X

no

no

X

no

X

ARB_texture_mirrored_repeat

YES

YES

YES

no

YES

YES

X

no

no

no

no

no

X

X

no

no

X

no

X

ATI_texture_env_combine3

YES

YES

no

no

no

no

X

no

no

no

no

no

X

X

no

no

X

no

X

ATI_texture_mirror_once

YES

YES

no

no

no

no

X

no

no

no

no

no

X

X

no

no

X

no

X

EXT_blend_color

YES

YES (sw)

YES (sw)

YES (sw)

YES (sw)

YES

X

no

no

no

no

no

X

X

no

no

X

no

X

EXT_blend_func_separate

no

no

no

no

no

YES

X

no

no

no

no

no

X

X

no

no

X

no

X

EXT_blend_logic_op

YES

YES

no

no

no

no

X

no

no

no

no

no

X

X

no

no

X

no

X

EXT_blend_minmax

YES

YES (sw)

YES (sw)

YES (sw)

YES (sw)

YES

X

no

no

no

no

no

X

X

no

no

X

no

X

EXT_blend_subtract

YES

YES

YES (sw)

YES (sw)

YES (sw)

YES

X

no

no

no

no

no

X

X

no

no

X

no

X

EXT_fog_coord

no

no

no

no

no

YES

X

YES

no

no

no

no

X

X

no

no

X

no

X

EXT_paletted_texture

no

no

no

no

no

no

X

no

YES

YES

no

no

X

X

no

no

X

no

X

EXT_secondary_color

YES

YES

no

no

no

YES

X

YES

no

no

no

no

X

X

no

no

X

no

X

EXT_shared_texture_palette

no

no

no

no

no

no

X

no

no

no

no

no

X

X

no

no

X

no

X

EXT_stencil_wrap

YES

no

no

no

YES (sw)

YES

X

YES

no

YES

no

no

X

X

no

no

X

no

X

EXT/SGIS_texture_edge_clamp

YES

YES

YES

YES

YES

YES

X

YES (G400+)

no

no

no

no

X

X

no

no

X

no

X

EXT_texture_filter_anisotropic

YES

YES

no

no

no

YES

X

no

no

no

no

no

X

X

no

no

X

no

X

EXT_texture_lod_bias

YES

YES

no

no

YES

YES

X

no

YES

YES

no

no

X

X

no

no

X

no

X

MESA_pack_invert

YES

no

no

no

no

no

X

no

no

no

no

no

X

X

no

no

X

no

X

MESA_ycbcr_texture

YES

YES

YES

YES

YES

YES

X

YES

no

no

no

no

X

X

no

no

X

no

X

NV_blend_square

YES

YES

no

no

no

no

X

no

no

no

no

no

X

X

no

no

X

no

X

NV_texture_rectangle

YES

YES

no

no

YES

YES

X

no

no

no

no

no

X

X

no

no

X

no

X

SGIS_generate_mipmap

YES

YES

YES

YES

YES

YES

X

YES

no

no

no

no

X

X

no

no

X

no

X

GLX_MESA_swap_control

YES

YES

YES

YES

no

no

X

YES

no

no

no

no

X

X

no

no

X

no

X

GLX_MESA_swap_frame_usage

YES

YES

no

no

no

no

X

YES

no

no

no

no

X

X

no

no

X

no

X

GLX_NV_vertex_array_range

YES

no

no

no

no

no

X

no

no

no

no

no

X

X

no

no

X

no

X

GLX_SGI_video_sync

YES

YES

YES

YES

no

no

X

YES

no

no

no

no

X

X

no

no

X

no

X