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glasm: Implement SetAttribute ViewportMask

This commit is contained in:
ameerj 2021-06-20 01:40:21 -04:00
parent 9bd0531384
commit 3a2dd1b483
2 changed files with 10 additions and 1 deletions

View file

@ -286,7 +286,8 @@ void SetupOptions(const IR::Program& program, const Profile& profile,
if (info.uses_sparse_residency) {
header += "OPTION EXT_sparse_texture2;";
}
if ((info.stores_viewport_index || info.stores_layer) && stage != Stage::Geometry) {
if (((info.stores_viewport_index || info.stores_layer) && stage != Stage::Geometry) ||
info.stores_viewport_mask) {
if (profile.support_viewport_index_layer_non_geometry) {
header += "OPTION NV_viewport_array2;";
}

View file

@ -157,6 +157,14 @@ void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, ScalarF32 value,
"Viewport stored outside of geometry shader not supported by device");
}
break;
case IR::Attribute::ViewportMask:
// NV_viewport_array2 is required to access result.viewportmask, regardless of shader stage.
if (ctx.profile.support_viewport_index_layer_non_geometry) {
ctx.Add("MOV.F result.viewportmask[0].x,{};", value);
} else {
LOG_WARNING(Shader_GLASM, "Device does not support storing to ViewportMask");
}
break;
case IR::Attribute::PointSize:
ctx.Add("MOV.F result.pointsize.x,{};", value);
break;