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intel/dev: details CPS feature support

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DG2 introduces per primitive coarse pixel settings (in stages
preceding the PS shader) and also a control surface specifying the
rate at through the resulting surface.

v2: update comment (Caio)

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13739>
This commit is contained in:
Lionel Landwerlin 2020-11-06 16:17:16 +02:00 • committed by Marge Bot
parent 8bdbc93a9d
commit 8d90fe587f
2 changed files with 8 additions and 1 deletions
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3
src/intel/dev/intel_device_info.c
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@ -1059,7 +1059,8 @@ static const struct intel_device_info intel_device_info_sg1 = {
XEHP_FEATURES(0, 1, 0), \
.num_subslices = dual_subslices(1), \
.has_lsc = true, \
.apply_hwconfig = true
.apply_hwconfig = true, \
.has_coarse_pixel_primitive_and_cb = true
UNUSED static const struct intel_device_info intel_device_info_dg2_g10 = {
DG2_FEATURES,

6
src/intel/dev/intel_device_info.h
View file

@ -146,6 +146,12 @@ struct intel_device_info
*/
bool has_negative_rhw_bug;
/**
* Whether this platform supports fragment shading rate controlled by a
* primitive in geometry shaders and by a control buffer.
*/
bool has_coarse_pixel_primitive_and_cb;
/**
* Some versions of Gen hardware don't do centroid interpolation correctly
* on unlit pixels, causing incorrect values for derivatives near triangle