Create drawergen tool

src/r_compiler/fixedfunction/drawskycodegen.h

@@ -1,60 +0,0 @@
-/*
-**  DrawSky code generation
-**  Copyright (c) 2016 Magnus Norddahl
-**
-**  This software is provided 'as-is', without any express or implied
-**  warranty.  In no event will the authors be held liable for any damages
-**  arising from the use of this software.
-**
-**  Permission is granted to anyone to use this software for any purpose,
-**  including commercial applications, and to alter it and redistribute it
-**  freely, subject to the following restrictions:
-**
-**  1. The origin of this software must not be misrepresented; you must not
-**     claim that you wrote the original software. If you use this software
-**     in a product, an acknowledgment in the product documentation would be
-**     appreciated but is not required.
-**  2. Altered source versions must be plainly marked as such, and must not be
-**     misrepresented as being the original software.
-**  3. This notice may not be removed or altered from any source distribution.
-**
-*/
-
-#pragma once
-
-#include "drawercodegen.h"
-
-enum class DrawSkyVariant
-{
-	Single,
-	Double
-};
-
-class DrawSkyCodegen : public DrawerCodegen
-{
-public:
-	void Generate(DrawSkyVariant variant, bool fourColumns, SSAValue args, SSAValue thread_data);
-
-private:
-	void Loop(DrawSkyVariant variant, bool fourColumns);
-	SSAVec4i Sample(SSAInt frac, int index, DrawSkyVariant variant);
-	SSAVec4i FadeOut(SSAInt frac, SSAVec4i color);
-
-	SSAStack<SSAInt> stack_index, stack_frac[4];
-
-	SSAUBytePtr dest;
-	SSAUBytePtr source0[4];
-	SSAUBytePtr source1[4];
-	SSAInt pitch;
-	SSAInt count;
-	SSAInt dest_y;
-	SSAInt texturefrac[4];
-	SSAInt iscale[4];
-	SSAInt textureheight0;
-	SSAInt maxtextureheight1;
-	SSAVec4i top_color;
-	SSAVec4i bottom_color;
-	SSAWorkerThread thread;
-
-	SSAInt fracstep[4];
-};