From 3764750339fa60f2d79cf3abe1b91ca42ba61401 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Sat, 15 May 2021 18:14:29 -0300
Subject: glasm: Add graphics specific shader declarations to GLASM

---
 src/shader_recompiler/backend/glasm/emit_glasm.cpp | 32 ++++++++++++++++++----
 1 file changed, 26 insertions(+), 6 deletions(-)

(limited to 'src/shader_recompiler/backend/glasm/emit_glasm.cpp')

diff --git a/src/shader_recompiler/backend/glasm/emit_glasm.cpp b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
index 0b70bf3f6..ab6790ce8 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
@@ -261,6 +261,12 @@ void EmitCode(EmitContext& ctx, const IR::Program& program) {
 }
 
 void SetupOptions(std::string& header, Info info) {
+    // TODO: Track the shared atomic ops
+    header += "OPTION NV_internal;"
+              "OPTION NV_shader_storage_buffer;"
+              "OPTION NV_gpu_program_fp64;"
+              "OPTION NV_bindless_texture;"
+              "OPTION ARB_derivative_control;";
     if (info.uses_int64_bit_atomics) {
         header += "OPTION NV_shader_atomic_int64;";
     }
@@ -276,10 +282,25 @@ void SetupOptions(std::string& header, Info info) {
     if (info.uses_subgroup_shuffles) {
         header += "OPTION NV_shader_thread_shuffle;";
     }
-    // TODO: Track the shared atomic ops
-    header += "OPTION NV_shader_storage_buffer;"
-              "OPTION NV_gpu_program_fp64;"
-              "OPTION NV_bindless_texture;";
+}
+
+std::string_view StageHeader(Stage stage) {
+    switch (stage) {
+    case Stage::VertexA:
+    case Stage::VertexB:
+        return "!!NVvp5.0\n";
+    case Stage::TessellationControl:
+        return "!!NVtcs5.0\n";
+    case Stage::TessellationEval:
+        return "!!NVtes5.0\n";
+    case Stage::Geometry:
+        return "!!NVgp5.0\n";
+    case Stage::Fragment:
+        return "!!NVfp5.0\n";
+    case Stage::Compute:
+        return "!!NVcp5.0\n";
+    }
+    throw InvalidArgument("Invalid stage {}", stage);
 }
 } // Anonymous namespace
 
@@ -287,8 +308,7 @@ std::string EmitGLASM(const Profile&, IR::Program& program, Bindings&) {
     EmitContext ctx{program};
     Precolor(ctx, program);
     EmitCode(ctx, program);
-    std::string header = "!!NVcp5.0\n"
-                         "OPTION NV_internal;";
+    std::string header{StageHeader(program.stage)};
     SetupOptions(header, program.info);
     switch (program.stage) {
     case Stage::Compute:
-- 
cgit v1.2.3