Attachment 9211 Details for Bug 10219 – limitation for MIN_LOD in i965

[patch] limitation for MIN_LOD in i965

i965_minlod.patch (text/plain), 1.04 KB, created by haihao on 2007-03-18 06:21:42 UTC

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Creator: haihao

Created: 2007-03-18 06:21:42 UTC

Size: 1.04 KB

patch

obsolete

>diff --git a/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c b/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c
>index 93d4cfc..83bed06 100644
>--- a/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c
>+++ b/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c
>@@ -96,7 +96,8 @@ static void brw_update_sampler_state( st
> 				      struct gl_texture_object *texObj,
> 				      GLuint sdc_gs_offset,
> 				      struct brw_sampler_state *sampler)
>-{   
>+{
>+   struct intel_texture_object *intelObj = intel_texture_object(texObj);
>    _mesa_memset(sampler, 0, sizeof(*sampler));
> 
>    switch (texObj->MinFilter) {
>@@ -192,9 +193,11 @@ #endif
>     */
>    sampler->ss0.base_level = U_FIXED(0, 1);
> 
>+   /* If Min LOD is greater than Max LOD, Min LOD takes precedence
>+    */
>    sampler->ss1.max_lod = U_FIXED(MAX2(texObj->MaxLod, 0), 6);
>-   sampler->ss1.min_lod = U_FIXED(MAX2(texObj->MinLod, 0), 6);
>-   
>+   sampler->ss1.min_lod = U_FIXED(MIN2(MAX2(texObj->MinLod, 0), MIN2(intelObj->lastLevel, 13)), 6);   
>+
>    sampler->ss2.default_color_pointer = sdc_gs_offset >> 5;
> }
>

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