From 613b48c4a2ce71a0d0eaba17fe164f4a2e4a3db5 Mon Sep 17 00:00:00 2001
From: FernandoS27 <fsahmkow27@gmail.com>
Date: Sun, 28 Mar 2021 19:47:52 +0200
Subject: shader,spirv: Implement ImageQueryLod.
---
src/shader_recompiler/backend/spirv/emit_spirv_image.cpp | 15 +++++++++++++++
1 file changed, 15 insertions(+)
(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 310cc7af7e..2cd6b38c46 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
@@ -161,6 +161,10 @@ Id EmitBindlessImageQueryDimensions(EmitContext&) {
throw LogicError("Unreachable instruction");
}
+Id EmitBindlessImageQueryLod(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
Id EmitBoundImageSampleImplicitLod(EmitContext&) {
throw LogicError("Unreachable instruction");
}
@@ -193,6 +197,10 @@ Id EmitBoundImageQueryDimensions(EmitContext&) {
throw LogicError("Unreachable instruction");
}
+Id EmitBoundImageQueryLod(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
Id EmitImageSampleImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
Id bias_lc, Id offset) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
@@ -287,4 +295,11 @@ Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& i
throw LogicError("Unspecified image type {}", info.type.Value());
}
+Id EmitImageQueryLod(EmitContext& ctx, IR::Inst*, const IR::Value& index, Id coords) {
+ const Id zero{ctx.f32_zero_value};
+ const Id image{TextureImage(ctx, index)};
+ return ctx.OpCompositeConstruct(ctx.F32[4], ctx.OpImageQueryLod(ctx.F32[2], image, coords),
+ zero, zero);
+}
+
} // namespace Shader::Backend::SPIRV
--
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