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softpipe: compressed formats can't be render targets

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This commit is contained in:
Brian Paul 2010-04-23 18:09:43 -06:00
parent b806f2a239
commit 1a4383cd42
1 changed files with 4 additions and 1 deletions
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5
src/gallium/drivers/softpipe/sp_screen.c
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@ -159,7 +159,10 @@ softpipe_is_format_supported( struct pipe_screen *screen,
case PIPE_FORMAT_DXT1_RGBA:
case PIPE_FORMAT_DXT3_RGBA:
case PIPE_FORMAT_DXT5_RGBA:
return util_format_s3tc_enabled;
if (tex_usage & PIPE_BIND_RENDER_TARGET)
return FALSE;
else
return util_format_s3tc_enabled;
case PIPE_FORMAT_Z32_FLOAT:
case PIPE_FORMAT_NONE: