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aced56c336
All shaders were selected by context (set of defines) which increases the number of needed permutations. For example: we don't need to know about shadows when rendering silhouettes.
105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
/* Copyright (C) 2026 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. 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, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. 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 for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_MATERIAL
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#define INCLUDED_MATERIAL
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#include "graphics/ShaderDefines.h"
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#include "graphics/Texture.h"
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#include "ps/CStr.h"
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#include "ps/CStrIntern.h"
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#include <array>
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#include <vector>
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class CVector4D;
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class CMaterial
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{
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public:
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enum class Pass : uint8_t
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{
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MAIN,
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SHADOW_CASTER,
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REFLECTIONS,
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REFRACTIONS,
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SILHOUETTE_OCCLUDER,
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SILHOUETTE_CASTER,
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WIREFRAME,
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WIREFRAME_SOLID,
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COUNT
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};
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struct TextureSampler
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{
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TextureSampler(const CStr &n, CTexturePtr t) : Name(n), Sampler(t) {}
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TextureSampler(const CStrIntern &n, CTexturePtr t) : Name(n), Sampler(t) {}
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CStrIntern Name;
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CTexturePtr Sampler;
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};
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typedef std::vector<TextureSampler> SamplersVector;
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CMaterial();
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// Whether this material's shaders use alpha blending, in which case
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// models using this material need to be rendered in a special order
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// relative to the alpha-blended water plane
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void SetUsesAlphaBlending(bool flag) { m_AlphaBlending = flag; }
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bool UsesAlphaBlending() const { return m_AlphaBlending; }
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const CTexturePtr& GetDiffuseTexture() const { return m_DiffuseTexture; }
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void SetShaderEffect(const Pass pass, CStrIntern effect);
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CStrIntern GetShaderEffect(const Pass pass) const;
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// Must call RecomputeCombinedShaderDefines after this, before rendering with this material
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void AddShaderDefine(CStrIntern key, CStrIntern value);
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const CShaderDefines& GetShaderDefines() const { return m_ShaderDefines; }
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void AddStaticUniform(const char* key, const CVector4D& value);
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const CShaderUniforms& GetStaticUniforms() const { return m_StaticUniforms; }
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void AddSampler(const TextureSampler& texture);
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const SamplersVector& GetSamplers() const { return m_Samplers; }
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void AddRenderQuery(const char* key);
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const CShaderRenderQueries& GetRenderQueries() const { return m_RenderQueries; }
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void AddRequiredSampler(const CStr& samplerName);
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const std::vector<CStrIntern>& GetRequiredSampler() const { return m_RequiredSamplers; }
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private:
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// This pointer is kept to make it easier for the fixed pipeline to
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// access the only texture it's interested in.
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CTexturePtr m_DiffuseTexture;
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SamplersVector m_Samplers;
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std::vector<CStrIntern> m_RequiredSamplers;
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std::array<CStrIntern, static_cast<size_t>(Pass::COUNT)> m_ShaderEffects;
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CShaderDefines m_ShaderDefines;
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CShaderUniforms m_StaticUniforms;
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CShaderRenderQueries m_RenderQueries;
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bool m_AlphaBlending;
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};
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#endif // INCLUDED_MATERIAL
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