From 2c2e019a44e353921d5fdf3cc6ab4304502eb2bd Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Sat, 28 Jan 2023 16:09:58 -0500
Subject: shader_recompiler: TXQ: Skip QueryLevels when possible
---
src/shader_recompiler/backend/spirv/emit_spirv_image.cpp | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
(limited to 'src/shader_recompiler/backend/spirv/emit_spirv_image.cpp')
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
index c898ce12f8..3b969d915e 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
@@ -445,11 +445,13 @@ Id EmitImageFetch(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id c
TextureImage(ctx, info, index), coords, operands.MaskOptional(), operands.Span());
}
-Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id lod) {
+Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id lod,
+ const IR::Value& skip_mips_val) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
const Id image{TextureImage(ctx, info, index)};
const Id zero{ctx.u32_zero_value};
- const auto mips{[&] { return ctx.OpImageQueryLevels(ctx.U32[1], image); }};
+ const bool skip_mips{skip_mips_val.U1()};
+ const auto mips{[&] { return skip_mips ? zero : ctx.OpImageQueryLevels(ctx.U32[1], image); }};
switch (info.type) {
case TextureType::Color1D:
return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySizeLod(ctx.U32[1], image, lod),
--
cgit v1.2.3-70-g09d2