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Factorize tuple remap.

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This commit is contained in:
vlj 2014-08-11 22:57:07 +02:00
parent 671ab38d18
commit 8c032a7df6
1 changed files with 43 additions and 25 deletions
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68
src/graphics/render_geometry.cpp
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@ -78,19 +78,6 @@ namespace RenderGeometry
}
using namespace RenderGeometry;
template<typename Shader, typename...uniforms>
void draw(const GLMesh *mesh, uniforms... Args)
{
irr_driver->IncreaseObjectCount();
GLenum ptype = mesh->PrimitiveType;
GLenum itype = mesh->IndexType;
size_t count = mesh->IndexCount;
Shader::setUniforms(Args...);
glDrawElementsBaseVertex(ptype, count, itype, (GLvoid *)mesh->vaoOffset, mesh->vaoBaseVertex);
}
template<typename T, typename...uniforms>
void draw(const T *Shader, const GLMesh *mesh, uniforms... Args)
{
@ -543,32 +530,62 @@ void renderShadow(const std::vector<GLuint> TextureUnits, const std::vector<STK:
}
template<int...List>
struct rsm_custom_unroll_args;
template<int N>
struct rsm_unroll_args_impl;
template<>
struct rsm_custom_unroll_args<>
struct rsm_unroll_args_impl<0>
{
template<typename T, typename ...TupleTypes, typename ...Args>
static void exec(const core::matrix4 &rsm_matrix, const STK::Tuple<TupleTypes...> &t, Args... args)
template<typename T, typename ...Args>
static void exec(const core::matrix4 &rsm_matrix, const GLMesh *mesh, const STK::Tuple<Args...> &t, Args... args)
{
draw<T>(T::getInstance(), STK::tuple_get<0>(t), rsm_matrix, args...);
draw<T>(T::getInstance(), mesh, rsm_matrix, args...);
}
};
template<int N>
struct rsm_unroll_args_impl
{
template<typename T, typename ...TupleType, typename ...Args>
static void exec(const core::matrix4 &rsm_matrix, const GLMesh *mesh, const STK::Tuple<TupleType...> &t, Args... args)
{
rsm_unroll_args_impl<N - 1>::template exec<T>(rsm_matrix, mesh, t, STK::tuple_get<N - 1>(t), args...);
}
};
template<typename T, typename...Args>
static void rsm_unroll_args(const core::matrix4 &rsm_matrix, const GLMesh *mesh, const STK::Tuple<Args...> &t)
{
rsm_unroll_args_impl<sizeof...(Args) >::template exec<T>(rsm_matrix, mesh, t);
}
template<int...List>
struct remap_tuple;
template<>
struct remap_tuple<>
{
template<typename...OriginalTuples, typename...Args>
static STK::Tuple <Args...> exec(const STK::Tuple<OriginalTuples...> &oldt, Args... args)
{
return STK::make_tuple(args...);
}
};
template<int N, int...List>
struct rsm_custom_unroll_args<N, List...>
struct remap_tuple<N, List...>
{
template<typename T, typename ...TupleTypes, typename ...Args>
static void exec(const core::matrix4 &rsm_matrix, const STK::Tuple<TupleTypes...> &t, Args... args)
template<typename...OriginalTuples, typename...Args>
static auto exec(const STK::Tuple<OriginalTuples...> &oldt, Args...args)
-> decltype(remap_tuple<List...>::template exec(oldt, STK::tuple_get<N>(oldt), args...))
{
rsm_custom_unroll_args<List...>::template exec<T>(rsm_matrix, t, STK::tuple_get<N>(t), args...);
return remap_tuple<List...>::template exec(oldt, STK::tuple_get<N>(oldt), args...);
}
};
template<typename T, enum E_VERTEX_TYPE VertexType, int... Selector, typename... Args>
void drawRSM(const core::matrix4 & rsm_matrix, const std::vector<GLuint> TextureUnits, const std::vector<STK::Tuple<GLMesh *, core::matrix4, Args...> >&t)
{
@ -584,7 +601,8 @@ void drawRSM(const core::matrix4 & rsm_matrix, const std::vector<GLuint> Texture
compressTexture(mesh->textures[j], true);
setTexture(TextureUnits[j], getTextureGLuint(mesh->textures[j]), GL_LINEAR, GL_LINEAR_MIPMAP_LINEAR, true);
}
rsm_custom_unroll_args<Selector...>::template exec<T>(rsm_matrix, t[i]);
auto remapped_tuple = remap_tuple<Selector...>::template exec(t[i]);
rsm_unroll_args<T>(rsm_matrix, mesh, remapped_tuple);
}
}