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Mesa line drawing bug (was: curve bevel bug!)
Closed, ResolvedPublicKNOWN ISSUE

Description

curve bevel bug.. on preview resolution 33 or 61

screenshoot --> http://www.pasteall.org/pic/show.php?id=3323
blend file -->http://www.pasteall.org/blend/2701


use blender 2.5 alpha2 svn r28702

Event Timeline

bdp (budip) edited a custom field.May 15 2010, 6:23 AM
Nobody (None) changed the task status from Unknown Status to Unknown Status.May 15 2010, 6:23 AM

Can't confirm on my configuration.
Please, check this bug on the latest svn revision and if there would be still problems, tell more details of your configuration.

use new blender2.5 alpa2 r28778
yes... it's work fine now... :)

thank Sergey Sharybin


Good, but i've found this bug on my notebook with integrated video, so report would be open untill it would be fixed for my case, i think.

Looks like video driver problem: if i'll use commented glDrawArrays() in drawDispListwire() instead of glBegin/glEnd block everything becomes ok.
But i don't want to uncomment this code until we'll discuss this with other developers (there is comment newar that glDrawArray, which says it could crash).

P.S. Thanks for report

oh wait...
i found this problem again on linux.. (my other pc)


use linux ubuntu 10.04 x86_64
intel core2duo 2.2gig
ram 2gig

vga: ati radeon x1650

OpenGL:

======



- Renderer: Mesa DRI R300 (RV530 71C1) 20090101 TCL DRI2

- Vendor: DRI R300 Project

- Version: 1.5 Mesa 7.7.1



- Extensions:



GL_EXT_compiled_vertex_array GL_EXT_texture_env_add

GL_ARB_depth_texture GL_ARB_draw_buffers GL_ARB_fragment_program

GL_ARB_imaging GL_ARB_multisample GL_ARB_multitexture

GL_ARB_occlusion_query GL_ARB_point_parameters GL_ARB_provoking_vertex

GL_ARB_shadow GL_ARB_shadow_ambient 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_MESAX_texture_float GL_ARB_texture_mirrored_repeat

GL_ARB_texture_rectangle GL_ARB_transpose_matrix

GL_ARB_vertex_array_bgra 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_equation_separate

GL_EXT_blend_func_separate GL_EXT_blend_logic_op GL_EXT_blend_minmax

GL_EXT_blend_subtract GL_EXT_convolution GL_EXT_copy_texture

GL_EXT_draw_range_elements GL_EXT_framebuffer_blit

GL_EXT_framebuffer_object GL_EXT_fog_coord

GL_EXT_gpu_program_parameters GL_EXT_histogram

GL_EXT_multi_draw_arrays GL_EXT_packed_depth_stencil

GL_EXT_packed_pixels GL_EXT_point_parameters GL_EXT_polygon_offset

GL_EXT_provoking_vertex 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_subtexture

GL_EXT_texture GL_EXT_texture3D GL_EXT_texture_cube_map

GL_EXT_texture_edge_clamp GL_EXT_texture_env_combine

GL_EXT_texture_env_dot3 GL_EXT_texture_filter_anisotropic

GL_EXT_texture_lod_bias GL_EXT_texture_mirror_clamp

GL_EXT_texture_object GL_EXT_texture_rectangle GL_EXT_texture_sRGB

GL_EXT_vertex_array GL_EXT_vertex_array_bgra GL_APPLE_packed_pixels

GL_ATI_blend_equation_separate GL_ATI_texture_env_combine3

GL_ATI_texture_mirror_once GL_ATI_separate_stencil

GL_IBM_multimode_draw_arrays GL_IBM_rasterpos_clip

GL_IBM_texture_mirrored_repeat GL_INGR_blend_func_separate

GL_MESA_pack_invert GL_MESA_ycbcr_texture GL_MESA_window_pos

GL_NV_blend_square GL_NV_light_max_exponent GL_NV_packed_depth_stencil

GL_NV_texture_rectangle GL_NV_texgen_reflection GL_NV_vertex_program

GL_OES_read_format GL_SGI_color_matrix GL_SGI_color_table

GL_SGIS_generate_mipmap GL_SGIS_texture_border_clamp

GL_SGIS_texture_edge_clamp GL_SGIS_texture_lod

GL_SUN_multi_draw_arrays



This is a bug in Mesa (tested 7.8.1 - latest release to date), the bug is not in NVidia's drivers.

made a testcase and reported a bug to mesa.
https://bugs.freedesktop.org/show_bug.cgi?id=28130

Moving to OpenGL Errors.