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GitHub Repository: hrydgard/ppsspp
 Path: blob/master/GPU/Common/FragmentShaderGenerator.h
Views: 1401
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// Copyright (c) 2012- PPSSPP Project.

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// This program is free software: you can redistribute it and/or modify

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// it under the terms of the GNU General Public License as published by

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// the Free Software Foundation, version 2.0 or later versions.

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// This program is distributed in the hope that it will be useful,

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// but WITHOUT ANY WARRANTY; without even the implied warranty of

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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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// GNU General Public License 2.0 for more details.

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// A copy of the GPL 2.0 should have been included with the program.

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// If not, see http://www.gnu.org/licenses/

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// Official git repository and contact information can be found at

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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.

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#pragma once

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#include "Common/Common.h"

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#include "Common/GPU/Shader.h"

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#include "Common/GPU/thin3d.h"

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struct FShaderID;

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// D3D9 float constants

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#define CONST_PS_TEXENV 0

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#define CONST_PS_ALPHACOLORREF 1

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#define CONST_PS_ALPHACOLORMASK 2

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#define CONST_PS_FOGCOLOR 3

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#define CONST_PS_STENCILREPLACE 4

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#define CONST_PS_BLENDFIXA 5

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#define CONST_PS_BLENDFIXB 6

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#define CONST_PS_FBOTEXSIZE 7

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#define CONST_PS_TEXCLAMP 8

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#define CONST_PS_TEXCLAMPOFF 9

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#define CONST_PS_MIPBIAS 10

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#define CONST_PS_TEX_NO_ALPHA_MUL 11

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// For stencil upload

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#define BCONST_PS_STENCILVALUE 13

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// D3D9 bool constants, they have their own register space.

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// Can technically be deduced from the fragment shader ID, but this is safer.

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enum class FragmentShaderFlags : u32 {

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	USES_DISCARD = 2,

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	USES_FLAT_SHADING = 4,

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};

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ENUM_CLASS_BITOPS(FragmentShaderFlags);

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bool GenerateFragmentShader(const FShaderID &id, char *buffer, const ShaderLanguageDesc &compat, Draw::Bugs bugs, uint64_t *uniformMask, FragmentShaderFlags *fragmentShaderFlags, std::string *errorString);

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