glsl: FP function fixes

7 files changed, 25 insertions, 17 deletions

diff --git a/src/shader_recompiler/backend/glsl/emit_context.cpp b/src/shader_recompiler/backend/glsl/emit_context.cpp
index b3a3e5647..da379360a 100644
--- a/src/shader_recompiler/backend/glsl/emit_context.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_context.cpp
@@ -48,8 +48,11 @@ void EmitContext::DefineStorageBuffers() {
     }
     u32 binding{};
     for (const auto& desc : info.storage_buffers_descriptors) {
-        Add("layout(std430,binding={}) buffer buff_{}{{uint buff{}[];}};", binding, binding,
+        Add("layout(std430,binding={}) buffer ssbo_{}_u32{{uint ssbo{}_u32[];}};", binding, binding,
             desc.cbuf_index, desc.count);
+        // TODO: Track ssbo data type usage
+        Add("layout(std430,binding={}) buffer ssbo_{}_u64{{uvec2 ssbo{}_u64[];}};", binding,
+            binding, desc.cbuf_index, desc.count);
         ++binding;
     }
 }
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_composite.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_composite.cpp
index 40b9ca08e..8e7ad68bd 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_composite.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_composite.cpp
@@ -10,6 +10,8 @@
 #include "shader_recompiler/profile.h"
 
 namespace Shader::Backend::GLSL {
+static constexpr std::string_view SWIZZLE{"xyzw"};
+
 void EmitCompositeConstructU32x2(EmitContext& ctx, IR::Inst& inst, std::string_view e1,
                                  std::string_view e2) {
     ctx.AddU32x2("{}=uvec2({},{});", inst, e1, e2);
@@ -32,7 +34,7 @@ void EmitCompositeConstructU32x4([[maybe_unused]] EmitContext& ctx,
 
 void EmitCompositeExtractU32x2(EmitContext& ctx, IR::Inst& inst, std::string_view composite,
                                u32 index) {
-    ctx.AddU32("{}={}[{}];", inst, composite, index);
+    ctx.AddU32("{}={}.{};", inst, composite, SWIZZLE[index]);
 }
 
 void EmitCompositeExtractU32x3([[maybe_unused]] EmitContext& ctx,
@@ -130,7 +132,7 @@ void EmitCompositeInsertF16x4([[maybe_unused]] EmitContext& ctx,
 
 void EmitCompositeConstructF32x2(EmitContext& ctx, IR::Inst& inst, std::string_view e1,
                                  std::string_view e2) {
-    ctx.AddF32x2("{}=uvec2({},{});", inst, e1, e2);
+    ctx.AddF32x2("{}=vec2({},{});", inst, e1, e2);
 }
 
 void EmitCompositeConstructF32x3([[maybe_unused]] EmitContext& ctx,
@@ -150,7 +152,7 @@ void EmitCompositeConstructF32x4([[maybe_unused]] EmitContext& ctx,
 
 void EmitCompositeExtractF32x2(EmitContext& ctx, IR::Inst& inst, std::string_view composite,
                                u32 index) {
-    ctx.AddF32("{}={}[{}];", inst, composite, index);
+    ctx.AddF32("{}={}.{};", inst, composite, SWIZZLE[index]);
 }
 
 void EmitCompositeExtractF32x3([[maybe_unused]] EmitContext& ctx,
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
index d3d55562c..7c9cadd7e 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
@@ -10,6 +10,8 @@
 #include "shader_recompiler/profile.h"
 
 namespace Shader::Backend::GLSL {
+static constexpr std::string_view SWIZZLE{"xyzw"};
+
 void EmitGetCbufU8([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] const IR::Value& binding,
                    [[maybe_unused]] const IR::Value& offset) {
     throw NotImplementedException("GLSL");
@@ -33,14 +35,16 @@ void EmitGetCbufS16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] const IR
 void EmitGetCbufU32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
                     const IR::Value& offset) {
     const auto u32_offset{offset.U32()};
-    ctx.AddU32("{}=floatBitsToUint(cbuf{}[{}][{}]);", inst, binding.U32(), u32_offset / 16,
-               (u32_offset / 4) % 4);
+    const auto index{(u32_offset / 4) % 4};
+    ctx.AddU32("{}=floatBitsToUint(cbuf{}[{}].{});", inst, binding.U32(), u32_offset / 16,
+               SWIZZLE[index]);
 }
 
 void EmitGetCbufF32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
                     const IR::Value& offset) {
     const auto u32_offset{offset.U32()};
-    ctx.AddF32("{}=cbuf{}[{}][{}];", inst, binding.U32(), u32_offset / 16, (u32_offset / 4) % 4);
+    const auto index{(u32_offset / 4) % 4};
+    ctx.AddF32("{}=cbuf{}[{}].{};", inst, binding.U32(), u32_offset / 16, SWIZZLE[index]);
 }
 
 void EmitGetCbufU32x2([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] const IR::Value& binding,
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_convert.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_convert.cpp
index 7ddc24c71..0f95d4465 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_convert.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_convert.cpp
@@ -47,7 +47,7 @@ void EmitConvertS64F16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::I
 
 void EmitConvertS64F32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
                        [[maybe_unused]] std::string_view value) {
-    ctx.AddS64("{}=int64_t({});", inst, value);
+    ctx.AddS64("{}=int64_t(double({}));", inst, value);
 }
 
 void EmitConvertS64F64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
@@ -92,7 +92,7 @@ void EmitConvertU64F16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::I
 
 void EmitConvertU64F32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
                        [[maybe_unused]] std::string_view value) {
-    ctx.AddU64("{}=uint64_t({});", inst, value);
+    ctx.AddU64("{}=uint64_t(double({}));", inst, value);
 }
 
 void EmitConvertU64F64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_floating_point.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_floating_point.cpp
index 3f3a83b20..2aa9f2cd3 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_floating_point.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_floating_point.cpp
@@ -156,12 +156,12 @@ void EmitFPSqrt([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& in
 
 void EmitFPSaturate16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
                       [[maybe_unused]] std::string_view value) {
-    ctx.AddF64("{}=sqrt({});", inst, value);
+    throw NotImplementedException("GLSL");
 }
 
 void EmitFPSaturate32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
                       [[maybe_unused]] std::string_view value) {
-    ctx.AddF32("{}=clamp({},0.0f,1.0f);", inst, value);
+    ctx.AddF32("{}=clamp({},0.0,1.0);", inst, value);
 }
 
 void EmitFPSaturate64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
@@ -197,12 +197,12 @@ void EmitFPRoundEven16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::I
 
 void EmitFPRoundEven32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
                        [[maybe_unused]] std::string_view value) {
-    ctx.AddF32("{}=round({});", inst, value);
+    ctx.AddF32("{}=roundEven({});", inst, value);
 }
 
 void EmitFPRoundEven64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
                        [[maybe_unused]] std::string_view value) {
-    ctx.AddF64("{}=round({});", inst, value);
+    ctx.AddF64("{}=roundEven({});", inst, value);
 }
 
 void EmitFPFloor16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_memory.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_memory.cpp
index 7c8c23050..b042ae853 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_memory.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_memory.cpp
@@ -78,13 +78,12 @@ void EmitWriteStorageS16([[maybe_unused]] EmitContext& ctx,
 
 void EmitWriteStorage32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset,
                         std::string_view value) {
-    ctx.Add("buff{}[{}]={};", binding.U32(), offset.U32(), value);
+    ctx.Add("ssbo{}_u32[{}]={};", binding.U32(), offset.U32(), value);
 }
 
 void EmitWriteStorage64(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset,
                         std::string_view value) {
-    ctx.Add("buff{}[{}]={}.x;", binding.U32(), offset.U32(), value);
-    ctx.Add("buff{}[{}]={}.y;", binding.U32(), offset.U32() + 1, value);
+    ctx.Add("ssbo{}_u64[{}]={};", binding.U32(), offset.U32(), value);
 }
 
 void EmitWriteStorage128([[maybe_unused]] EmitContext& ctx,
diff --git a/src/shader_recompiler/backend/glsl/reg_alloc.cpp b/src/shader_recompiler/backend/glsl/reg_alloc.cpp
index c370aabb5..73295a1e5 100644
--- a/src/shader_recompiler/backend/glsl/reg_alloc.cpp
+++ b/src/shader_recompiler/backend/glsl/reg_alloc.cpp
@@ -36,7 +36,7 @@ std::string MakeImm(const IR::Value& value) {
     case IR::Type::U64:
         return fmt::format("{}ul", value.U64());
     case IR::Type::F64:
-        return fmt::format("{}", value.F64());
+        return fmt::format("{}lf", value.F64());
     default:
         throw NotImplementedException("Immediate type {}", value.Type());
     }