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Optimized Renderer (it no longer makes useless allocations) 

Former-commit-id: c62e1acd27643103f736d0fdc2f4fb13018004b2
This commit is contained in:
Lynix 2014-03-06 10:16:23 +01:00
parent fa9ceac624
commit 00caa6b74a
1 changed files with 18 additions and 12 deletions
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30
src/Nazara/Renderer/Renderer.cpp
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@ -68,10 +68,11 @@ namespace
};
using VAO_Key = std::tuple<const NzIndexBuffer*, const NzVertexBuffer*, const NzVertexDeclaration*, const NzVertexDeclaration*>;
using VAO_Map = std::unordered_map<const NzContext*, std::map<VAO_Key, unsigned int>>;
using VAO_Map = std::map<VAO_Key, unsigned int>;
using Context_Map = std::unordered_map<const NzContext*, VAO_Map>;
VAO_Map s_vaos;
std::set<unsigned int> s_dirtyTextureUnits;
Context_Map s_vaos;
std::vector<unsigned int> s_dirtyTextureUnits;
std::vector<TextureUnit> s_textureUnits;
GLuint s_currentVAO = 0;
NzVertexBuffer s_instanceBuffer;
@ -1379,7 +1380,7 @@ void NzRenderer::SetTexture(nzUInt8 unit, const NzTexture* texture)
s_textureUnits[unit].samplerUpdated = false;
}
s_dirtyTextureUnits.insert(unit);
s_dirtyTextureUnits.push_back(unit);
s_updateFlags |= Update_Textures;
}
}
@ -1400,7 +1401,7 @@ void NzRenderer::SetTextureSampler(nzUInt8 unit, const NzTextureSampler& sampler
if (s_textureUnits[unit].texture)
s_textureUnits[unit].sampler.UseMipmaps(s_textureUnits[unit].texture->HasMipmaps());
s_dirtyTextureUnits.insert(unit);
s_dirtyTextureUnits.push_back(unit);
s_updateFlags |= Update_Textures;
}
@ -1658,11 +1659,16 @@ bool NzRenderer::EnsureStateUpdate()
// Note: Les VAOs ne sont pas partagés entre les contextes, nous avons donc un tableau de VAOs par contexte
const NzContext* context = NzContext::GetCurrent();
auto pair = s_vaos.insert(std::make_pair(context, VAO_Map::mapped_type()));
if (pair.second)
VAO_Map* vaos;
auto vaoIt = s_vaos.find(context);
if (vaoIt == s_vaos.end())
{
context->AddResourceListener(&s_listener, ResourceType_Context);
auto& vaos = pair.first->second;
auto pair = s_vaos.insert(std::make_pair(context, Context_Map::mapped_type()));
vaos = &pair.first->second;
}
else
vaos = &vaoIt->second;
// Notre clé est composée de ce qui définit un VAO
const NzVertexDeclaration* vertexDeclaration = s_vertexBuffer->GetVertexDeclaration();
@ -1670,15 +1676,15 @@ bool NzRenderer::EnsureStateUpdate()
VAO_Key key(s_indexBuffer, s_vertexBuffer, vertexDeclaration, instancingDeclaration);
// On recherche un VAO existant avec notre configuration
auto it = vaos.find(key);
if (it == vaos.end())
auto it = vaos->find(key);
if (it == vaos->end())
{
// On créé notre VAO
glGenVertexArrays(1, &s_currentVAO);
glBindVertexArray(s_currentVAO);
// On l'ajoute à notre liste
vaos.insert(std::make_pair(key, static_cast<unsigned int>(s_currentVAO)));
vaos->insert(std::make_pair(key, static_cast<unsigned int>(s_currentVAO)));
if (s_indexBuffer)
s_indexBuffer->AddResourceListener(&s_listener, ResourceType_IndexBuffer);