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OpenGL Antialiasing in OpenGL, not all graphic cards support it, is that true?

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Quote:
Original post by BenThereDoneThat
How should we know? You haven't told us what graphics card you have!


sorry, it's true....

intel 82945g Express Chipset Family


Anyway i download Opengl Extensions Viewer and this is the Report:

System Info
Windows XP Professional

Vendor
Intel
1.4.0 - Build 4.14.10.4332

Renderer
Intel 945G

Extensions
GL_3DFX_texture_compression_FXT1
GL_ARB_depth_texture
GL_ARB_fragment_program
GL_ARB_multitexture
GL_ARB_point_parameters
GL_ARB_shadow
GL_ARB_texture_border_clamp
GL_ARB_texture_compression
GL_ARB_texture_cube_map
GL_ARB_texture_env_add
GL_ARB_texture_env_combine
GL_ARB_texture_env_crossbar
GL_ARB_texture_env_dot3
GL_ARB_transpose_matrix
GL_ARB_vertex_buffer_object
GL_ARB_vertex_program
GL_ARB_window_pos
GL_EXT_abgr
GL_EXT_bgra
GL_EXT_blend_color
GL_EXT_blend_func_separate
GL_EXT_blend_minmax
GL_EXT_blend_subtract
GL_EXT_clip_volume_hint
GL_EXT_compiled_vertex_array
GL_EXT_cull_vertex
GL_EXT_draw_range_elements
GL_EXT_fog_coord
GL_EXT_multi_draw_arrays
GL_EXT_packed_pixels
GL_EXT_rescale_normal
GL_EXT_secondary_color
GL_EXT_separate_specular_color
GL_EXT_shadow_funcs
GL_EXT_stencil_two_side
GL_EXT_stencil_wrap
GL_EXT_texture3D
GL_EXT_texture_compression_s3tc
GL_EXT_texture_env_add
GL_EXT_texture_env_combine
GL_EXT_texture_filter_anisotropic
GL_IBM_texture_mirrored_repeat
GL_NV_blend_square
GL_NV_texgen_reflection
GL_SGIS_generate_mipmap
GL_WIN_swap_hint
WGL_ARB_buffer_region
WGL_ARB_extensions_string
WGL_ARB_make_current_read
WGL_ARB_pbuffer
WGL_ARB_pixel_format
WGL_EXT_swap_control


Core features

v1.1 (100 % - 7/7)
v1.2 (100 % - 8/8)
v1.3 (100 % - 9/9)
v1.4 (100 % - 15/15)
v1.5 (66 % - 2/3)
v2.0 (10 % - 1/10)
v2.1 (0 % - 0/3)
OpenGL driver version check (Current: 1.4.0 - Build 4.14.10.4332, Latest known: 1.4.0 - Build 4.14.10.4332):
Latest version of display drivers found

According the database, you are running the latest display drivers for your video card.
No ICD registry entry

The current OpenGL driver doesn't expose the SOFTWARE/Microsoft/Windows (NT)/CurrentVersion/OpenGLDrivers registry entry. Unable to detect the driver version, driver revision name and filename.
Compiled vertex array support

This feature improves OpenGL performance by using video memory to cache transformed vertices.
No paletted texture support

This may cause performance loss in some older applications.
Multitexture support

This feature accelerates complex rendering such as lightmaps or environment mapping.
Secondary color support

This feature provides an alternate method of coloring specular highlights on polygons.
S3TC compression support

This feature improves texture mapping performance in some applications by using lossy compression.
No texture edge clamp support

This feature adds clamping control to edge texel filtering. Some programs may not render textures correctly (black line on borders.)
Vertex program support

This feature enables a wide variety of effects via flexible vertex programming (equivalent to DX8 Vertex Shader.)
Fragment program support

This feature enables a wide variety of effects via per pixel programming (equivalent to DX9 Pixel Shader.)
Texture anisotropic filtering support

This feature improves the quality of texture mapping on oblique surfaces.
No OpenGL Shading Language support

This may break compatibility for applications using per pixel shading.
No Frame buffer object support

This may break compatibility for applications using render to texture functions.
Extension verification:
WGL_EXT_extensions_string was not found, but has the entry point wglGetExtensionsStringEXT

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well the intel 82945g Express Chipset Family doesn't support much of anything really.
You would do so much better if you could get a dirt cheap (possibly used) nvidia or ati card, check around, some of your friends might have one you can have for free.

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Quote:
Original post by lc_overlord
well the intel 82945g Express Chipset Family doesn't support much of anything really.
You would do so much better if you could get a dirt cheap (possibly used) nvidia or ati card, check around, some of your friends might have one you can have for free.

Except that most of these Intel jokes afflict non-upgradeable laptops, like all three I've had at work. Sigh.

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My girlfriend's laptop has the SIS 760 chipset which doesn't support antialiasing either.

So my game looks crappy on her computer :(

Interesting to note that the quality of antialiasing is variable too - seems better on the ATI cards (including my laptop) than the nVidia (for my purposes).

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Quote:
Original post by BlackPelican
Interesting to note that the quality of antialiasing is variable too - seems better on the ATI cards (including my laptop) than the nVidia (for my purposes).


Yep, until the G80 series ATI very much had the lead over NV when it came to Image Quality. The G80 however does have fantasic IQ, so it'll be intresting to see how ATI counter it.

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