glsl: minor cleanup

src/shader_recompiler/backend/glsl/emit_context.h

@@ -135,6 +135,7 @@ public:
     std::vector<u32> image_bindings;
 
     bool uses_y_direction{};
+    bool uses_cc_carry{};
 
 private:
     void SetupExtensions(std::string& header);

src/shader_recompiler/backend/glsl/emit_glsl_image.cpp

@@ -234,9 +234,6 @@ void EmitImageGather([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Ins
     const auto texture{Texture(ctx, info, index)};
     const auto texel{ctx.reg_alloc.Define(inst, Type::F32x4)};
     const auto sparse_inst{PrepareSparse(inst)};
-    if (!offset2.IsEmpty()) {
-        ctx.Add("/*OFFSET 2 IS {}*/", ctx.reg_alloc.Consume(offset2));
-    }
     if (!sparse_inst) {
         if (offset.IsEmpty()) {
             ctx.Add("{}=textureGather({},{},int({}));", texel, texture, coords,

src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp

@@ -31,6 +31,7 @@ void SetSignFlag(EmitContext& ctx, IR::Inst& inst, std::string_view result) {
 void EmitIAdd32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {
     const auto result{ctx.reg_alloc.Define(inst, Type::U32)};
     if (IR::Inst* const carry{inst.GetAssociatedPseudoOperation(IR::Opcode::GetCarryFromOp)}) {
+        ctx.uses_cc_carry = true;
         ctx.Add("{}=uaddCarry({},{},carry);", result, a, b);
         ctx.AddU1("{}=carry!=0;", *carry, result);
         carry->Invalidate();
@@ -61,11 +62,11 @@ void EmitISub64(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::strin
 }
 
 void EmitIMul32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {
-    ctx.AddU32("{}={}*{};", inst, a, b);
+    ctx.AddU32("{}=uint({}*{});", inst, a, b);
 }
 
 void EmitINeg32(EmitContext& ctx, IR::Inst& inst, std::string_view value) {
-    ctx.AddU32("{}=-({});", inst, value);
+    ctx.AddU32("{}=uint(-({}));", inst, value);
 }
 
 void EmitINeg64(EmitContext& ctx, IR::Inst& inst, std::string_view value) {

src/shader_recompiler/backend/glsl/emit_glsl_memory.cpp

@@ -50,16 +50,16 @@ void EmitLoadStorage32(EmitContext& ctx, IR::Inst& inst, const IR::Value& bindin
 void EmitLoadStorage64(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
                        const IR::Value& offset) {
     const auto offset_var{ctx.reg_alloc.Consume(offset)};
-    ctx.AddU32x2("{}=uvec2(ssbo{}[{}/4],ssbo{}[{}/4+1]);", inst, binding.U32(), offset_var,
+    ctx.AddU32x2("{}=uvec2(ssbo{}[{}/4],ssbo{}[({}+4)/4]);", inst, binding.U32(), offset_var,
                  binding.U32(), offset_var);
 }
 
 void EmitLoadStorage128(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
                         const IR::Value& offset) {
     const auto offset_var{ctx.reg_alloc.Consume(offset)};
-    ctx.AddU32x4("{}=uvec4(ssbo{}[{}/4],ssbo{}[{}/4+1],ssbo{}[{}/4+2],ssbo{}[{}/4+3]);", inst,
-                 binding.U32(), offset_var, binding.U32(), offset_var, binding.U32(), offset_var,
-                 binding.U32(), offset_var);
+    ctx.AddU32x4("{}=uvec4(ssbo{}[{}/4],ssbo{}[({}+4)/4],ssbo{}[({}+8)/4],ssbo{}[({}+12)/4]);",
+                 inst, binding.U32(), offset_var, binding.U32(), offset_var, binding.U32(),
+                 offset_var, binding.U32(), offset_var);
 }
 
 void EmitWriteStorageU8([[maybe_unused]] EmitContext& ctx,
@@ -108,7 +108,7 @@ void EmitWriteStorage64(EmitContext& ctx, const IR::Value& binding, const IR::Va
                         std::string_view value) {
     const auto offset_var{ctx.reg_alloc.Consume(offset)};
     ctx.Add("ssbo{}[{}/4]={}.x;", binding.U32(), offset_var, value);
-    ctx.Add("ssbo{}[({}/4)+1]={}.y;", binding.U32(), offset_var, value);
+    ctx.Add("ssbo{}[({}+4)/4]={}.y;", binding.U32(), offset_var, value);
 }
 
 void EmitWriteStorage128([[maybe_unused]] EmitContext& ctx,
@@ -117,8 +117,8 @@ void EmitWriteStorage128([[maybe_unused]] EmitContext& ctx,
                          [[maybe_unused]] std::string_view value) {
     const auto offset_var{ctx.reg_alloc.Consume(offset)};
     ctx.Add("ssbo{}[{}/4]={}.x;", binding.U32(), offset_var, value);
-    ctx.Add("ssbo{}[({}/4)+1]={}.y;", binding.U32(), offset_var, value);
-    ctx.Add("ssbo{}[({}/4)+2]={}.z;", binding.U32(), offset_var, value);
-    ctx.Add("ssbo{}[({}/4)+3]={}.w;", binding.U32(), offset_var, value);
+    ctx.Add("ssbo{}[({}+4)/4]={}.y;", binding.U32(), offset_var, value);
+    ctx.Add("ssbo{}[({}+8)/4]={}.z;", binding.U32(), offset_var, value);
+    ctx.Add("ssbo{}[({}+12)/4]={}.w;", binding.U32(), offset_var, value);
 }
 } // namespace Shader::Backend::GLSL