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softpipe: Anisotropic filtering extension.

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Reference implementation which produces high quality renderings.
Based on Higher Quality Elliptical Weighted Avarage Filter (EWA).

Signed-off-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Andreas Faenger
2011-06-06 07:13:16 +00:00
committed by Brian Paul
parent b438005d96
commit f4537f99cc
2 changed files with 336 additions and 6 deletions
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4
src/gallium/drivers/softpipe/sp_screen.c
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@@ -81,7 +81,7 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_SM3:
return 1;
case PIPE_CAP_ANISOTROPIC_FILTER:
return 0;
return 1;
case PIPE_CAP_POINT_SPRITE:
return 1;
case PIPE_CAP_MAX_RENDER_TARGETS:
@@ -161,7 +161,7 @@ softpipe_get_paramf(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_MAX_POINT_WIDTH_AA:
return 255.0; /* arbitrary */
case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
return 16.0; /* not actually signficant at this time */
return 16.0;
case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
return 16.0; /* arbitrary */
default: