gallium: switch dedicated centroid field to interpolation location
The new location field can be either center, centroid, or sample, which
indicates the location that the shader should interpolate at.
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index f0650f4..07d9833 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -172,7 +172,7 @@
shader->input[i].sid = d->Semantic.Index;
shader->input[i].index = d->Range.First;
shader->input[i].interpolate = d->Interp.Interpolate;
- shader->input[i].centroid = d->Interp.Centroid;
+ shader->input[i].centroid = d->Interp.Location == TGSI_INTERPOLATE_LOC_CENTROID;
return -1;
case TGSI_FILE_OUTPUT:
@@ -427,7 +427,7 @@
case TGSI_INTERPOLATE_LINEAR:
if (si_shader_ctx->shader->key.ps.interp_at_sample)
interp_param = LLVMGetParam(main_fn, SI_PARAM_LINEAR_SAMPLE);
- else if (decl->Interp.Centroid)
+ else if (decl->Interp.Location == TGSI_INTERPOLATE_LOC_CENTROID)
interp_param = LLVMGetParam(main_fn, SI_PARAM_LINEAR_CENTROID);
else
interp_param = LLVMGetParam(main_fn, SI_PARAM_LINEAR_CENTER);
@@ -441,7 +441,7 @@
case TGSI_INTERPOLATE_PERSPECTIVE:
if (si_shader_ctx->shader->key.ps.interp_at_sample)
interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_SAMPLE);
- else if (decl->Interp.Centroid)
+ else if (decl->Interp.Location == TGSI_INTERPOLATE_LOC_CENTROID)
interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_CENTROID);
else
interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_CENTER);