From d752e3390993e52f699b11b03a59819dbcbed9db Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Sun, 31 May 2020 11:47:19 +0200
Subject: [PATCH] - removed the unused SurfaceShader class.

---
 source/glbackend/gl_shader.cpp | 21 ---------------------
 source/glbackend/gl_shader.h   |  7 -------
 source/glbackend/glbackend.cpp | 11 -----------
 source/glbackend/glbackend.h   |  3 ---
 4 files changed, 42 deletions(-)

diff --git a/source/glbackend/gl_shader.cpp b/source/glbackend/gl_shader.cpp
index 9023a865e..9cdc56c50 100644
--- a/source/glbackend/gl_shader.cpp
+++ b/source/glbackend/gl_shader.cpp
@@ -181,24 +181,3 @@ bool PolymostShader::Load(const char * name, const char * vert_prog, const char
 	return true;
 }
 
-//==========================================================================
-//
-//
-//
-//==========================================================================
-
-bool SurfaceShader::Load(const char* name, const char* vert_prog, const char* frag_prog)
-{
-	if (!FShader::Load(name, vert_prog, frag_prog)) return false;
-
-	glUseProgram(hShader);
-
-	int SamplerLoc;
-	SamplerLoc = glGetUniformLocation(hShader, "s_texture");
-	glUniform1i(SamplerLoc, 0);
-	SamplerLoc = glGetUniformLocation(hShader, "s_palette");
-	glUniform1i(SamplerLoc, 1);
-	
-	glUseProgram(0);
-	return true;
-}
diff --git a/source/glbackend/gl_shader.h b/source/glbackend/gl_shader.h
index 44f245561..a6eeaf05a 100644
--- a/source/glbackend/gl_shader.h
+++ b/source/glbackend/gl_shader.h
@@ -63,10 +63,3 @@ public:
 	virtual bool Load(const char * name, const char * vert_prog_lump, const char * fragprog); //, const char * fragprog2, const char *defines);
 };
 
-class SurfaceShader : public FShader
-{
-public:
-	SurfaceShader() = default;
-	virtual bool Load(const char* name, const char* vert_prog_lump, const char* fragprog); //, const char * fragprog2, const char *defines);
-
-};
diff --git a/source/glbackend/glbackend.cpp b/source/glbackend/glbackend.cpp
index 448ff962a..d8539dd25 100644
--- a/source/glbackend/glbackend.cpp
+++ b/source/glbackend/glbackend.cpp
@@ -145,8 +145,6 @@ void GLInstance::Deinit()
 #endif
 	if (polymostShader) delete polymostShader;
 	polymostShader = nullptr;
-	if (surfaceShader) delete surfaceShader;
-	surfaceShader = nullptr;
 	activeShader = nullptr;
 	palmanager.DeleteAll();
 	lastPalswapIndex = -1;
@@ -255,15 +253,6 @@ void GLInstance::SetPolymostShader()
 	}
 }
 
-void GLInstance::SetSurfaceShader()
-{
-	if (activeShader != surfaceShader)
-	{
-		surfaceShader->Bind();
-		activeShader = surfaceShader;
-	}
-}
-
 void GLInstance::SetPalette(int index)
 {
 	palmanager.BindPalette(index);
diff --git a/source/glbackend/glbackend.h b/source/glbackend/glbackend.h
index a21f27458..cbe866fde 100644
--- a/source/glbackend/glbackend.h
+++ b/source/glbackend/glbackend.h
@@ -14,7 +14,6 @@
 
 class FShader;
 class PolymostShader;
-class SurfaceShader;
 class FGameTexture;
 class GLInstance;
 class F2DDrawer;
@@ -122,7 +121,6 @@ class GLInstance
 	PolymostRenderState renderState;
 	FShader* activeShader;
 	PolymostShader* polymostShader;
-	SurfaceShader* surfaceShader;
 	
 	
 public:
@@ -172,7 +170,6 @@ public:
 	}
 
 	void SetPolymostShader();
-	void SetSurfaceShader();
 	void SetPalette(int palette);
 	
 	void ReadPixels(int w, int h, uint8_t* buffer);