Mesa (main): intel/dev: details CPS feature support

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Module: Mesa
Branch: main
Commit: 8d90fe587fdb54517d90e03e3095dea83e2a2f84
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8d90fe587fdb54517d90e03e3095dea83e2a2f84

Author: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Date:   Fri Nov  6 16:17:16 2020 +0200

intel/dev: details CPS feature support

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 at intel.com>
Reviewed-by: Caio Oliveira <caio.oliveira at intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13739>

---

 src/intel/dev/intel_device_info.c | 3 ++-
 src/intel/dev/intel_device_info.h | 6 ++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/intel/dev/intel_device_info.c b/src/intel/dev/intel_device_info.c
index 7ade65f39c6..7e3827e1eb3 100644
--- a/src/intel/dev/intel_device_info.c
+++ b/src/intel/dev/intel_device_info.c
@@ -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,
diff --git a/src/intel/dev/intel_device_info.h b/src/intel/dev/intel_device_info.h
index ae60ebb4a66..9ba9949b5e6 100644
--- a/src/intel/dev/intel_device_info.h
+++ b/src/intel/dev/intel_device_info.h
@@ -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