From 266a3d60e3d8ee4b67a4a6b3e69d8632509b7a43 Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Fri, 21 May 2021 21:31:41 -0400
Subject: glsl: Implement BF*

---
 src/shader_recompiler/backend/glsl/emit_glsl_instructions.h |  4 ++--
 src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp    | 10 +++++-----
 src/shader_recompiler/backend/glsl/emit_glsl_select.cpp     |  5 +++--
 3 files changed, 10 insertions(+), 9 deletions(-)

(limited to 'src/shader_recompiler')

diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h b/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
index 51dbeb2c1..5370af0c5 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
@@ -204,8 +204,8 @@ void EmitSelectU8(EmitContext& ctx, std::string_view cond, std::string_view true
                   std::string_view false_value);
 void EmitSelectU16(EmitContext& ctx, std::string_view cond, std::string_view true_value,
                    std::string_view false_value);
-void EmitSelectU32(EmitContext& ctx, std::string_view cond, std::string_view true_value,
-                   std::string_view false_value);
+void EmitSelectU32(EmitContext& ctx, IR::Inst& inst, std::string_view cond,
+                   std::string_view true_value, std::string_view false_value);
 void EmitSelectU64(EmitContext& ctx, std::string_view cond, std::string_view true_value,
                    std::string_view false_value);
 void EmitSelectF16(EmitContext& ctx, std::string_view cond, std::string_view true_value,
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp
index 016bccd39..3f1b56a05 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp
@@ -22,7 +22,7 @@ void EmitIAdd64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& in
 
 void EmitISub32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
                 [[maybe_unused]] std::string_view a, [[maybe_unused]] std::string_view b) {
-    throw NotImplementedException("GLSL Instruction");
+    ctx.AddU32("{}={}-{};", inst, a, b);
 }
 
 void EmitISub64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
@@ -111,26 +111,26 @@ void EmitBitFieldInsert([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::
                         [[maybe_unused]] std::string_view insert,
                         [[maybe_unused]] std::string_view offset,
                         [[maybe_unused]] std::string_view count) {
-    throw NotImplementedException("GLSL Instruction");
+    ctx.AddU32("{}=bitfieldInsert({}, {}, int({}), int({}));", inst, base, insert, offset, count);
 }
 
 void EmitBitFieldSExtract([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
                           [[maybe_unused]] std::string_view base,
                           [[maybe_unused]] std::string_view offset,
                           [[maybe_unused]] std::string_view count) {
-    throw NotImplementedException("GLSL Instruction");
+    ctx.AddU32("{}=bitfieldExtract(int({}), int({}), int({}));", inst, base, offset, count);
 }
 
 void EmitBitFieldUExtract([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
                           [[maybe_unused]] std::string_view base,
                           [[maybe_unused]] std::string_view offset,
                           [[maybe_unused]] std::string_view count) {
-    throw NotImplementedException("GLSL Instruction");
+    ctx.AddU32("{}=bitfieldExtract({}, int({}), int({}));", inst, base, offset, count);
 }
 
 void EmitBitReverse32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
                       [[maybe_unused]] std::string_view value) {
-    throw NotImplementedException("GLSL Instruction");
+    ctx.AddU32("{}=bitfieldReverse({});", inst, value);
 }
 
 void EmitBitCount32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_select.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_select.cpp
index 86d38da98..4455b0f9f 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_select.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_select.cpp
@@ -28,10 +28,11 @@ void EmitSelectU16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::stri
     throw NotImplementedException("GLSL Instruction");
 }
 
-void EmitSelectU32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view cond,
+void EmitSelectU32([[maybe_unused]] EmitContext& ctx, IR::Inst& inst,
+                   [[maybe_unused]] std::string_view cond,
                    [[maybe_unused]] std::string_view true_value,
                    [[maybe_unused]] std::string_view false_value) {
-    throw NotImplementedException("GLSL Instruction");
+    ctx.AddU32("{}={}?{}:{};", inst, cond, true_value, false_value);
 }
 
 void EmitSelectU64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view cond,
-- 
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