From a752ec88d06c6bcfb13605447a164c6b6915ed6e Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Thu, 27 May 2021 20:31:03 -0400
Subject: glsl: Implement derivatives and YDirection

plus some other misc additions/changed
---
 .../backend/glsl/emit_glsl_not_implemented.cpp     | 26 +++-------------------
 1 file changed, 3 insertions(+), 23 deletions(-)

(limited to 'src/shader_recompiler/backend/glsl/emit_glsl_not_implemented.cpp')

diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_not_implemented.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_not_implemented.cpp
index 761145a5d..4dfc0c896 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_not_implemented.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_not_implemented.cpp
@@ -224,8 +224,9 @@ void EmitIsHelperInvocation(EmitContext& ctx) {
     NotImplemented();
 }
 
-void EmitYDirection(EmitContext& ctx) {
-    NotImplemented();
+void EmitYDirection(EmitContext& ctx, IR::Inst& inst) {
+    ctx.uses_y_direction = true;
+    ctx.AddF32("{}=gl_FrontMaterial.ambient.a;", inst);
 }
 
 void EmitLoadLocal(EmitContext& ctx, std::string_view word_offset) {
@@ -650,25 +651,4 @@ void EmitShuffleButterfly(EmitContext& ctx, IR::Inst& inst, std::string_view val
     NotImplemented();
 }
 
-void EmitFSwizzleAdd(EmitContext& ctx, std::string_view op_a, std::string_view op_b,
-                     std::string_view swizzle) {
-    NotImplemented();
-}
-
-void EmitDPdxFine(EmitContext& ctx, std::string_view op_a) {
-    NotImplemented();
-}
-
-void EmitDPdyFine(EmitContext& ctx, std::string_view op_a) {
-    NotImplemented();
-}
-
-void EmitDPdxCoarse(EmitContext& ctx, std::string_view op_a) {
-    NotImplemented();
-}
-
-void EmitDPdyCoarse(EmitContext& ctx, std::string_view op_a) {
-    NotImplemented();
-}
-
 } // namespace Shader::Backend::GLSL
-- 
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