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b4b7cd0722
I don't expect the number of bits required to grow or shrink massively for either type of shader in this backend.
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
// 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 "Globals.h"
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struct ShaderID;
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void ComputeFragmentShaderID(ShaderID *id);
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void GenerateFragmentShader(char *buffer);
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enum StencilValueType {
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STENCIL_VALUE_UNIFORM,
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STENCIL_VALUE_ZERO,
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STENCIL_VALUE_ONE,
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STENCIL_VALUE_KEEP,
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STENCIL_VALUE_INVERT,
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STENCIL_VALUE_INCR_4,
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STENCIL_VALUE_INCR_8,
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STENCIL_VALUE_DECR_4,
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STENCIL_VALUE_DECR_8,
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};
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enum ReplaceAlphaType {
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REPLACE_ALPHA_NO = 0,
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REPLACE_ALPHA_YES = 1,
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REPLACE_ALPHA_DUALSOURCE = 2,
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};
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enum ReplaceBlendType {
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REPLACE_BLEND_NO,
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REPLACE_BLEND_STANDARD,
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REPLACE_BLEND_PRE_SRC,
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REPLACE_BLEND_PRE_SRC_2X_ALPHA,
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REPLACE_BLEND_2X_ALPHA,
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REPLACE_BLEND_2X_SRC,
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REPLACE_BLEND_COPY_FBO,
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};
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bool IsAlphaTestAgainstZero();
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bool IsAlphaTestTriviallyTrue();
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bool IsColorTestTriviallyTrue();
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StencilValueType ReplaceAlphaWithStencilType();
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ReplaceAlphaType ReplaceAlphaWithStencil(ReplaceBlendType replaceBlend);
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ReplaceBlendType ReplaceBlendWithShader();
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