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i965/miptree: Remove some unneeded restrictions

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intel_miptree_supports_ccs_e should handle the gen >= 9 requirement and
there's no reason why we can't do CCS_E on window system buffers so long
as we resolve.

Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
This commit is contained in:
Jason Ekstrand 2017-06-21 21:33:41 -07:00
parent 9c09672ad4
commit efc4c6b702
2 changed files with 4 additions and 11 deletions
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8
src/mesa/drivers/dri/i965/intel_mipmap_tree.c
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@ -243,6 +243,9 @@ static bool
intel_miptree_supports_ccs_e(struct brw_context *brw,
const struct intel_mipmap_tree *mt)
{
if (brw->gen < 9)
return false;
/* For now compression is only enabled for integer formats even though
* there exist supported floating point formats also. This is a heuristic
* decision based on current public benchmarks. In none of the cases these
@ -338,7 +341,6 @@ intel_miptree_choose_aux_usage(struct brw_context *brw,
} else if (intel_tiling_supports_ccs(brw, mt->surf.tiling) &&
intel_miptree_supports_ccs(brw, mt)) {
if (!unlikely(INTEL_DEBUG & DEBUG_NO_RBC) &&
brw->gen >= 9 && !mt->is_scanout &&
intel_miptree_supports_ccs_e(brw, mt)) {
mt->aux_usage = ISL_AUX_USAGE_CCS_E;
} else {
@ -722,10 +724,8 @@ miptree_create(struct brw_context *brw,
mt->etc_format = etc_format;
if (layout_flags & MIPTREE_LAYOUT_FOR_SCANOUT) {
if (layout_flags & MIPTREE_LAYOUT_FOR_SCANOUT)
mt->bo->cache_coherent = false;
mt->is_scanout = true;
}
if (!(layout_flags & MIPTREE_LAYOUT_DISABLE_AUX))
intel_miptree_choose_aux_usage(brw, mt);

7
src/mesa/drivers/dri/i965/intel_mipmap_tree.h
View file

@ -339,13 +339,6 @@ struct intel_mipmap_tree
*/
union isl_color_value fast_clear_color;
/**
* Tells if the underlying buffer is to be also consumed by entities other
* than the driver. This allows logic to turn off features such as lossless
* compression which is not currently understood by client applications.
*/
bool is_scanout;
/* These are also refcounted:
*/
GLuint refcount;