3.02 Run slowly with some projects

[Lorenzo67]

Hi Vincent, Alan, Elvis and everybody.
I had the same problems of Vincent when updated to 3.02: all examples and all my old project were extremely slow; also emitters preview was very slow. Only particleView showed emitters at normal speed.

I have Parhelia 128 too. After reading last Alan’s post I downloaded from Matrox website drivers version 2.5.1.30, sep 11 2007.
I had some trobles after installing (I had to reboot several time, and reset PI preferences and video card settings), but now PI runs at normal speed again.

Thanks.

[Alan Lorence]

Excellent! Thanks for posting your results.

Would you mind copying the OpenGL info shown in particleIllusion (on the OpenGL prefs page, in the info window) here? I’d like to see what it shows. You can just post the top 10 lines or so — I don’t need to see all of the supported extensions.

Alan.

http://www.wondertouch.com

[Vincent Vacher]

Thanks Lorenzo for your informations.
I updated my video card driver with version 204_00_110 (last certified) but i have always the same problem and OpenGL informations are the same as mentioned in my previous post in 3.02. Alan how can PI changes the openGL informations ?
Thanks in advance.
Vincent

[Lorenzo67]

The only checkbox activated is “Use hw acceleration”.
OpenGL driver information contains:

Matrox Graphics Inc.
Matrox ICD for Parhelia
Version: 1.3

Accumulation Buffer RGBA: 8-8-8-8

Max texture size: 2048 x 2048

Supported Extensions:

GL_ARB_depth_texture
GL_ARB_multisample
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_dot3
GL_ARB_texture_mirrored_repeat
GL_ARB_transpose_matrix
GL_ARB_window_pos
GL_S3_s3tc
GL_ATI_element_array
GL_ATI_vertex_array_object
GL_Autodesk_valid_back_buffer_hint
GL_EXT_bgra
GL_EXT_blend_color
GL_EXT_blend_func_separate
GL_EXT_blend_logic_op
GL_EXT_blend_minmax
GL_EXT_blend_subtract
GL_EXT_clip_volume_hint
GL_EXT_compiled_vertex_array
GL_EXT_draw_range_elements
GL_EXT_fog_coord
GL_EXT_multi_draw_arrays
GL_EXT_packed_pixels
GL_EXT_point_parameters
GL_EXT_rescale_normal
GL_EXT_secondary_color
GL_EXT_separate_specular_color
GL_EXT_stencil_wrap
GL_EXT_subtexture
GL_EXT_texture3D
GL_EXT_texture_compression_s3tc
GL_EXT_texture_cube_map
GL_EXT_texture_edge_clamp
GL_EXT_texture_env_add
GL_EXT_texture_filter_anisotropic
GL_EXT_texture_lod_bias
GL_EXT_texture_object
GL_EXT_vertex_array
GL_EXT_vertex_shader
GL_EXT_texture_env_combine
GL_EXT_texture_env_dot3
GL_IBM_texture_mirrored_repeat
GL_KTX_buffer_region
GL_MTX_fragment_shader
GL_MTX_precision_dpi
GL_NV_blend_square
GL_NV_texgen_reflection
GL_NV_texture_rectangle
GL_SGIS_multitexture
GL_SGIS_texture_lod
WGL_EXT_swap_control
GL_WIN_swap_hint

bye
Lorenzo

[Alan Lorence]

I’ve tried emailing you recently, and not sure if you’ve received it — I have something for you to try, but it involves editing a value in the particleIllusion settings in the Registry. Have you done that before?

Alan.

http://www.wondertouch.com

[Vincent Vacher]

Hi Alan,
I have not received your e-mail and yes i know how to edit register if tell me wich key i must edit.
Can you post it in this forum ?
thanks.
Vincent

[Alan Lorence]

*note* : this is not something that you’ll need to do in the future — it is a test only. So if you’re reading this in the forum archives, don’t try it.

Set the value of the following key to “1”:

HKEY_CURRENT_USER\Software\wondertouch\particleIllusion_3\particleIllusion\Settings\DisableHQBlur

Alan.

http://www.wondertouch.com

[Vincent Vacher]

Hi Alan,
You are the better !!!
Now it’s OK. To understand, what is this parameter set for (Value &0 replace by &1) ?
Thank you (and your team) for your support.
Vincent

[Alan Lorence]

Releases before 3.0.2 requested an accumulation buffer (OpenGL feature) in the “wrong” way, which made some ATI cards report that no accumulation buffer was available (so HQ motion blur was disabled).

3.0.2 fixed this, so those ATI cards now have HQ motion blur available.

In 3.0.3 (coming soon) we’ve added a preference to the OpenGL page that allows people like you to turn off the request for an accumulation buffer (so you won’t have to edit the Registry anymore).

Alan.

http://www.wondertouch.com

[Vincent Vacher]

Alan,
thank you again for your support along this thread. PI is great !!!