video_core: Fix SNORM texture buffer emulating error (#9001)

6 files changed, 16 insertions, 1 deletions

diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_bitwise_conversion.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_bitwise_conversion.cpp
index 2fc2a0ac6..5bfdecc09 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_bitwise_conversion.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_bitwise_conversion.cpp
@@ -43,6 +43,10 @@ void EmitBitCastU64F64(EmitContext&, IR::Inst& inst, const IR::Value& value) {
     Alias(inst, value);
 }
 
+void EmitBitCastS32F32(EmitContext&, IR::Inst& inst, const IR::Value& value) {
+    Alias(inst, value);
+}
+
 void EmitBitCastF16U16(EmitContext&, IR::Inst& inst, const IR::Value& value) {
     Alias(inst, value);
 }
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h b/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
index c08f48ed9..d645fd532 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
@@ -196,6 +196,7 @@ void EmitSelectF64(EmitContext& ctx, ScalarS32 cond, Register true_value, Regist
 void EmitBitCastU16F16(EmitContext& ctx, IR::Inst& inst, const IR::Value& value);
 void EmitBitCastU32F32(EmitContext& ctx, IR::Inst& inst, const IR::Value& value);
 void EmitBitCastU64F64(EmitContext& ctx, IR::Inst& inst, const IR::Value& value);
+void EmitBitCastS32F32(EmitContext& ctx, IR::Inst& inst, const IR::Value& value);
 void EmitBitCastF16U16(EmitContext& ctx, IR::Inst& inst, const IR::Value& value);
 void EmitBitCastF32U32(EmitContext& ctx, IR::Inst& inst, const IR::Value& value);
 void EmitBitCastF64U64(EmitContext& ctx, IR::Inst& inst, const IR::Value& value);
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_bitwise_conversion.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_bitwise_conversion.cpp
index 1be4a0f59..8e5e6cf1f 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_bitwise_conversion.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_bitwise_conversion.cpp
@@ -48,6 +48,10 @@ void EmitBitCastU64F64(EmitContext& ctx, IR::Inst& inst, std::string_view value)
     ctx.AddU64("{}=doubleBitsToUint64({});", inst, value);
 }
 
+void EmitBitCastS32F32(EmitContext& ctx, IR::Inst& inst, std::string_view value) {
+    ctx.AddF32("{}=ftoi({});", inst, value);
+}
+
 void EmitBitCastF16U16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst) {
     NotImplemented();
 }
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h b/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
index 3c8bcb7e9..96e683b5e 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
@@ -230,6 +230,7 @@ void EmitSelectF64(EmitContext& ctx, IR::Inst& inst, std::string_view cond,
 void EmitBitCastU16F16(EmitContext& ctx, IR::Inst& inst);
 void EmitBitCastU32F32(EmitContext& ctx, IR::Inst& inst, std::string_view value);
 void EmitBitCastU64F64(EmitContext& ctx, IR::Inst& inst, std::string_view value);
+void EmitBitCastS32F32(EmitContext& ctx, IR::Inst& inst, std::string_view value);
 void EmitBitCastF16U16(EmitContext& ctx, IR::Inst& inst);
 void EmitBitCastF32U32(EmitContext& ctx, IR::Inst& inst, std::string_view value);
 void EmitBitCastF64U64(EmitContext& ctx, IR::Inst& inst, std::string_view value);
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_bitwise_conversion.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_bitwise_conversion.cpp
index c4ca28d11..50daacd95 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_bitwise_conversion.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_bitwise_conversion.cpp
@@ -18,6 +18,10 @@ void EmitBitCastU64F64(EmitContext&) {
     throw NotImplementedException("SPIR-V Instruction");
 }
 
+void EmitBitCastS32F32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
 void EmitBitCastF16U16(EmitContext&) {
     throw NotImplementedException("SPIR-V Instruction");
 }
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_instructions.h b/src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
index 86dd3c4f3..7070c8fda 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
@@ -178,7 +178,8 @@ Id EmitSelectF64(EmitContext& ctx, Id cond, Id true_value, Id false_value);
 void EmitBitCastU16F16(EmitContext& ctx);
 Id EmitBitCastU32F32(EmitContext& ctx, Id value);
 void EmitBitCastU64F64(EmitContext& ctx);
-void EmitBitCastF16U16(EmitContext& ctx);
+void EmitBitCastS32F32(EmitContext& ctx);
+void EmitBitCastF16U16(EmitContext&);
 Id EmitBitCastF32U32(EmitContext& ctx, Id value);
 void EmitBitCastF64U64(EmitContext& ctx);
 Id EmitPackUint2x32(EmitContext& ctx, Id value);