Spir-V: Rescale the frag depth to 0,1 mode when -1,1 mode is used in Vulkan.

This commit is contained in:
Fernando Sahmkow 2021-09-15 20:14:39 +02:00
parent d86a9b9a4b
commit 8984abfc76
1 changed files with 7 additions and 1 deletions

View File

@ -477,7 +477,13 @@ void EmitSetSampleMask(EmitContext& ctx, Id value) {
}
void EmitSetFragDepth(EmitContext& ctx, Id value) {
if (!ctx.runtime_info.convert_depth_mode) {
ctx.OpStore(ctx.frag_depth, value);
return;
}
const Id unit{ctx.Const(0.5f)};
const Id new_depth{ctx.OpFma(ctx.F32[1], value, unit, unit)};
ctx.OpStore(ctx.frag_depth, new_depth);
}
void EmitGetZFlag(EmitContext&) {