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https://gitea.wildfiregames.com/0ad/0ad
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994ebd9836
Switch all the constant strings in graphics code to use the new variables. This avoids the cost of instantiating CStrInterns at runtime every frame. This was SVN commit r13906.
89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
/* Copyright (C) 2012 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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#include "precompiled.h"
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#include "Material.h"
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static CColor BrokenColor(0.3f, 0.3f, 0.3f, 1.0f);
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CMaterial::CMaterial() :
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m_AlphaBlending(false),
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m_PlayerID(INVALID_PLAYER)
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{
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}
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void CMaterial::SetShaderEffect(const CStr& effect)
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{
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m_ShaderEffect = CStrIntern(effect);
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}
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void CMaterial::AddShaderDefine(CStrIntern key, CStrIntern value)
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{
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m_ShaderDefines.Add(key, value);
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m_CombinedShaderDefines.clear();
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}
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void CMaterial::AddConditionalDefine(const char* defname, const char* defvalue, int type, std::vector<float> &args)
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{
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m_ConditionalDefines.Add(defname, defvalue, type, args);
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m_CombinedShaderDefines.clear();
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}
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void CMaterial::AddStaticUniform(const char* key, const CVector4D& value)
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{
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m_StaticUniforms.Add(key, value);
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}
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void CMaterial::AddSampler(const TextureSampler& texture)
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{
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m_Samplers.push_back(texture);
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if (texture.Name == str_baseTex)
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m_DiffuseTexture = texture.Sampler;
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}
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void CMaterial::AddRenderQuery(const char* key)
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{
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m_RenderQueries.Add(key);
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}
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// Set up m_CombinedShaderDefines so that index i contains m_ShaderDefines, plus
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// the extra defines from m_ConditionalDefines[j] for all j where bit j is set in i.
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// This lets GetShaderDefines() cheaply return the defines for any combination of conditions.
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//
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// (This might scale badly if we had a large number of conditional defines per material,
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// but currently we don't expect to have many.)
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void CMaterial::RecomputeCombinedShaderDefines()
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{
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m_CombinedShaderDefines.clear();
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int size = m_ConditionalDefines.GetSize();
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// Loop over all 2^n combinations of flags
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for (int i = 0; i < (1 << size); i++)
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{
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CShaderDefines defs = m_ShaderDefines;
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for (int j = 0; j < size; j++)
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{
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if (i & (1 << j))
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{
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const CShaderConditionalDefines::CondDefine& def = m_ConditionalDefines.GetItem(j);
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defs.Add(def.m_DefName, def.m_DefValue);
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}
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}
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m_CombinedShaderDefines.push_back(defs);
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}
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}
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