Thanks...looks like it's 4.1. Here's the full report:
Video Card Vendor: ATI Technologies Inc.
Renderer: AMD Radeon HD 6900 Series
OpenGL Version: 4.1.10834 Compatibility Profile Context
GLU Version: 1.2.2.0 Microsoft Corporation
Current pixel format: 2
Pixel Formats supported by this video card
------------------------------------------
# Type Flags Buf Type Color(R-G-B-A) Z-Depth Stencil Accum(R-G-B-A)
1 ICD 00008024 SGL RGBA 32 (8-8-8-8) 24 8 0(0-0-0-0)
2 ICD 00008025 DBL RGBA 32 (8-8-8-8) 24 8 0(0-0-0-0)
3 ICD 00008425 DBL RGBA 32 (8-8-8-8) 24 8 0(0-0-0-0)
4 ICD 00008024 SGL RGBA 32 (8-8-8-8) 24 8 64(16-16-16-16)
5 ICD 00008025 DBL RGBA 32 (8-8-8-8) 24 8 64(16-16-16-16)
6 ICD 00008425 DBL RGBA 32 (8-8-8-8) 24 8 64(16-16-16-16)
7 ICD 00008004 SGL RGBA 32 (8-8-8-8) 24 8 0(0-0-0-0)
8 ICD 00008005 DBL RGBA 32 (8-8-8-8) 24 8 0(0-0-0-0)
9 ICD 00008405 DBL RGBA 32 (8-8-8-8) 24 8 0(0-0-0-0)
10 ICD 00008004 SGL RGBA 32 (8-8-8-8) 24 8 0(0-0-0-0)
11 ICD 00008005 DBL RGBA 32 (8-8-8-8) 24 8 0(0-0-0-0)
12 ICD 00008405 DBL RGBA 32 (8-8-8-8) 24 8 0(0-0-0-0)
13 ICD 00008004 SGL RGBA 32 (8-8-8-8) 24 8 0(0-0-0-0)
14 ICD 00008005 DBL RGBA 32 (8-8-8-8) 24 8 0(0-0-0-0)
15 ICD 00008405 DBL RGBA 32 (8-8-8-8) 24 8 0(0-0-0-0)
16 ICD 00008004 SGL RGBA 32 (8-8-8-8) 24 8 0(0-0-0-0)
17 ICD 00008005 DBL RGBA 32 (8-8-8-8) 24 8 0(0-0-0-0)
18 ICD 00008405 DBL RGBA 32 (8-8-8-8) 24 8 0(0-0-0-0)
19 ICD 00008004 SGL RGBA 32 (8-8-8-8) 24 8 64(16-16-16-16)
20 ICD 00008005 DBL RGBA 32 (8-8-8-8) 24 8 64(16-16-16-16)
21 ICD 00008405 DBL RGBA 32 (8-8-8-8) 24 8 64(16-16-16-16)
22 ICD 00008004 SGL RGBA 32 (8-8-8-8) 24 8 64(16-16-16-16)
23 ICD 00008005 DBL RGBA 32 (8-8-8-8) 24 8 64(16-16-16-16)
24 ICD 00008405 DBL RGBA 32 (8-8-8-8) 24 8 64(16-16-16-16)
25 ICD 00008004 SGL RGBA 32 (8-8-8-8) 24 8 64(16-16-16-16)
26 ICD 00008005 DBL RGBA 32 (8-8-8-8) 24 8 64(16-16-16-16)
27 ICD 00008405 DBL RGBA 32 (8-8-8-8) 24 8 64(16-16-16-16)
28 ICD 00008004 SGL RGBA 32 (8-8-8-8) 24 8 64(16-16-16-16)
29 ICD 00008005 DBL RGBA 32 (8-8-8-8) 24 8 64(16-16-16-16)
30 ICD 00008405 DBL RGBA 32 (8-8-8-8) 24 8 64(16-16-16-16)
31 GEN 0000807C SGL RGBA 32 (8-8-8-0) 32 8 64(16-16-16-0)
32 GEN 0000807C SGL RGBA 32 (8-8-8-0) 16 8 64(16-16-16-0)
33 GEN 00008465 DBL RGBA 32 (8-8-8-0) 32 8 64(16-16-16-0)
34 GEN 00008465 DBL RGBA 32 (8-8-8-0) 16 8 64(16-16-16-0)
35 GEN 0000807C SGL RGBA 32 (8-8-8-8) 32 8 64(16-16-16-16)
36 GEN 0000807C SGL RGBA 32 (8-8-8-8) 16 8 64(16-16-16-16)
37 GEN 00008465 DBL RGBA 32 (8-8-8-8) 32 8 64(16-16-16-16)
38 GEN 00008465 DBL RGBA 32 (8-8-8-8) 16 8 64(16-16-16-16)
39 GEN 0000807C SGL CI 32 (8-8-8-0) 32 8 0(0-0-0-0)
40 GEN 0000807C SGL CI 32 (8-8-8-0) 16 8 0(0-0-0-0)
41 GEN 00008465 DBL CI 32 (8-8-8-0) 32 8 0(0-0-0-0)
42 GEN 00008465 DBL CI 32 (8-8-8-0) 16 8 0(0-0-0-0)
43 GEN 00000078 SGL RGBA 24 (8-8-8-0) 32 8 64(16-16-16-0)
44 GEN 00000078 SGL RGBA 24 (8-8-8-0) 16 8 64(16-16-16-0)
45 GEN 00000078 SGL RGBA 24 (8-8-8-8) 32 8 64(16-16-16-16)
46 GEN 00000078 SGL RGBA 24 (8-8-8-8) 16 8 64(16-16-16-16)
47 GEN 00000078 SGL CI 24 (8-8-8-0) 32 8 0(0-0-0-0)
48 GEN 00000078 SGL CI 24 (8-8-8-0) 16 8 0(0-0-0-0)
49 GEN 00000078 SGL RGBA 16 (5-5-5-0) 32 8 32(11-11-10-0)
50 GEN 00000078 SGL RGBA 16 (5-5-5-0) 16 8 32(11-11-10-0)
51 GEN 00000078 SGL RGBA 16 (5-5-5-8) 32 8 32(8-8-8-8)
52 GEN 00000078 SGL RGBA 16 (5-5-5-8) 16 8 32(8-8-8-8)
53 GEN 00000078 SGL CI 16 (5-5-5-0) 32 8 0(0-0-0-0)
54 GEN 00000078 SGL CI 16 (5-5-5-0) 16 8 0(0-0-0-0)
55 GEN 00000078 SGL RGBA 8 (3-3-2-0) 32 8 32(11-11-10-0)
56 GEN 00000078 SGL RGBA 8 (3-3-2-0) 16 8 32(11-11-10-0)
57 GEN 00000078 SGL RGBA 8 (3-3-2-8) 32 8 32(8-8-8-8)
58 GEN 00000078 SGL RGBA 8 (3-3-2-8) 16 8 32(8-8-8-8)
59 GEN 00000078 SGL CI 8 (3-3-2-0) 32 8 0(0-0-0-0)
60 GEN 00000078 SGL CI 8 (3-3-2-0) 16 8 0(0-0-0-0)
61 GEN 00000078 SGL RGBA 4 (1-1-1-0) 32 8 16(5-6-5-0)
62 GEN 00000078 SGL RGBA 4 (1-1-1-0) 16 8 16(5-6-5-0)
63 GEN 00000078 SGL RGBA 4 (1-1-1-8) 32 8 16(4-4-4-4)
64 GEN 00000078 SGL RGBA 4 (1-1-1-8) 16 8 16(4-4-4-4)
65 GEN 00000078 SGL CI 4 (1-1-1-0) 32 8 0(0-0-0-0)
66 GEN 00000078 SGL CI 4 (1-1-1-0) 16 8 0(0-0-0-0)
OpenGL extensions found for the current pixel format
----------------------------------------------------
GL_AMDX_debug_output
GL_AMDX_vertex_shader_tessellator
GL_AMD_blend_minmax_factor
GL_AMD_conservative_depth
GL_AMD_debug_output
GL_AMD_depth_clamp_separate
GL_AMD_draw_buffers_blend
GL_AMD_multi_draw_indirect
GL_AMD_name_gen_delete
GL_AMD_performance_monitor
GL_AMD_pinned_memory
GL_AMD_sample_positions
GL_AMD_seamless_cubemap_per_texture
GL_AMD_shader_stencil_export
GL_AMD_shader_trace
GL_AMD_texture_cube_map_array
GL_AMD_texture_texture4
GL_AMD_transform_feedback3_lines_triangles
GL_AMD_vertex_shader_tessellator
GL_ARB_ES2_compatibility
GL_ARB_blend_func_extended
GL_ARB_color_buffer_float
GL_ARB_copy_buffer
GL_ARB_depth_buffer_float
GL_ARB_depth_clamp
GL_ARB_depth_texture
GL_ARB_draw_buffers
GL_ARB_draw_buffers_blend
GL_ARB_draw_elements_base_vertex
GL_ARB_draw_indirect
GL_ARB_draw_instanced
GL_ARB_explicit_attrib_location
GL_ARB_fragment_coord_conventions
GL_ARB_fragment_program
GL_ARB_fragment_program_shadow
GL_ARB_fragment_shader
GL_ARB_framebuffer_object
GL_ARB_framebuffer_sRGB
GL_ARB_geometry_shader4
GL_ARB_get_program_binary
GL_ARB_gpu_shader5
GL_ARB_gpu_shader_fp64
GL_ARB_half_float_pixel
GL_ARB_half_float_vertex
GL_ARB_imaging
GL_ARB_instanced_arrays
GL_ARB_map_buffer_range
GL_ARB_multisample
GL_ARB_multitexture
GL_ARB_occlusion_query
GL_ARB_occlusion_query2
GL_ARB_pixel_buffer_object
GL_ARB_point_parameters
GL_ARB_point_sprite
GL_ARB_provoking_vertex
GL_ARB_sample_shading
GL_ARB_sampler_objects
GL_ARB_seamless_cube_map
GL_ARB_separate_shader_objects
GL_ARB_shader_bit_encoding
GL_ARB_shader_objects
GL_ARB_shader_precision
GL_ARB_shader_stencil_export
GL_ARB_shader_subroutine
GL_ARB_shader_texture_lod
GL_ARB_shading_language_100
GL_ARB_shadow
GL_ARB_shadow_ambient
GL_ARB_sync
GL_ARB_tessellation_shader
GL_ARB_texture_border_clamp
GL_ARB_texture_buffer_object
GL_ARB_texture_buffer_object_rgb32
GL_ARB_texture_compression
GL_ARB_texture_compression_bptc
GL_ARB_texture_compression_rgtc
GL_ARB_texture_cube_map
GL_ARB_texture_cube_map_array
GL_ARB_texture_env_add
GL_ARB_texture_env_combine
GL_ARB_texture_env_crossbar
GL_ARB_texture_env_dot3
GL_ARB_texture_float
GL_ARB_texture_gather
GL_ARB_texture_mirrored_repeat
GL_ARB_texture_multisample
GL_ARB_texture_non_power_of_two
GL_ARB_texture_query_lod
GL_ARB_texture_rectangle
GL_ARB_texture_rg
GL_ARB_texture_rgb10_a2ui
GL_ARB_texture_snorm
GL_ARB_timer_query
GL_ARB_transform_feedback2
GL_ARB_transform_feedback3
GL_ARB_transpose_matrix
GL_ARB_uniform_buffer_object
GL_ARB_vertex_array_bgra
GL_ARB_vertex_array_object
GL_ARB_vertex_attrib_64bit
GL_ARB_vertex_buffer_object
GL_ARB_vertex_program
GL_ARB_vertex_shader
GL_ARB_vertex_type_2_10_10_10_rev
GL_ARB_viewport_array
GL_ARB_window_pos
GL_ATI_draw_buffers
GL_ATI_envmap_bumpmap
GL_ATI_fragment_shader
GL_ATI_meminfo
GL_ATI_separate_stencil
GL_ATI_texture_compression_3dc
GL_ATI_texture_env_combine3
GL_ATI_texture_float
GL_ATI_texture_mirror_once
GL_EXT_abgr
GL_EXT_bgra
GL_EXT_bindable_uniform
GL_EXT_blend_color
GL_EXT_blend_equation_separate
GL_EXT_blend_func_separate
GL_EXT_blend_minmax
GL_EXT_blend_subtract
GL_EXT_compiled_vertex_array
GL_EXT_copy_buffer
GL_EXT_copy_texture
GL_EXT_direct_state_access
GL_EXT_draw_buffers2
GL_EXT_draw_instanced
GL_EXT_draw_range_elements
GL_EXT_fog_coord
GL_EXT_framebuffer_blit
GL_EXT_framebuffer_multisample
GL_EXT_framebuffer_object
GL_EXT_framebuffer_sRGB
GL_EXT_geometry_shader4
GL_EXT_gpu_program_parameters
GL_EXT_gpu_shader4
GL_EXT_histogram
GL_EXT_multi_draw_arrays
GL_EXT_packed_depth_stencil
GL_EXT_packed_float
GL_EXT_packed_pixels
GL_EXT_pixel_buffer_object
GL_EXT_point_parameters
GL_EXT_provoking_vertex
GL_EXT_rescale_normal
GL_EXT_secondary_color
GL_EXT_separate_specular_color
GL_EXT_shader_image_load_store
GL_EXT_shadow_funcs
GL_EXT_stencil_wrap
GL_EXT_subtexture
GL_EXT_texgen_reflection
GL_EXT_texture3D
GL_EXT_texture_array
GL_EXT_texture_buffer_object
GL_EXT_texture_compression_bptc
GL_EXT_texture_compression_latc
GL_EXT_texture_compression_rgtc
GL_EXT_texture_compression_s3tc
GL_EXT_texture_cube_map
GL_EXT_texture_edge_clamp
GL_EXT_texture_env_add
GL_EXT_texture_env_combine
GL_EXT_texture_env_dot3
GL_EXT_texture_filter_anisotropic
GL_EXT_texture_integer
GL_EXT_texture_lod
GL_EXT_texture_lod_bias
GL_EXT_texture_mirror_clamp
GL_EXT_texture_object
GL_EXT_texture_rectangle
GL_EXT_texture_sRGB
GL_EXT_texture_shared_exponent
GL_EXT_texture_snorm
GL_EXT_texture_swizzle
GL_EXT_timer_query
GL_EXT_transform_feedback
GL_EXT_vertex_array
GL_EXT_vertex_array_bgra
GL_EXT_vertex_attrib_64bit
GL_IBM_texture_mirrored_repeat
GL_KTX_buffer_region
GL_NV_blend_square
GL_NV_conditional_render
GL_NV_copy_depth_to_color
GL_NV_explicit_multisample
GL_NV_float_buffer
GL_NV_half_float
GL_NV_primitive_restart
GL_NV_texgen_reflection
GL_NV_texture_barrier
GL_SGIS_generate_mipmap
GL_SGIS_texture_edge_clamp
GL_SGIS_texture_lod
GL_SUN_multi_draw_arrays
GL_WIN_swap_hint
WGL_EXT_swap_control