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feat(render): a geometry chunk emptied in place, the kind of its primitive told; a chunk gaining or losing its userdata gets a new buffer

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Erase() empties a chunk and keeps its handle to be filled again, for geometry made anew as it changes. Primitive() tells whether a chunk holds triangles or strips, -1 from a renderer which doesn't know. The VAO bank reused the buffer of a chunk of the same length even when the userdata came or went, the layout of the buffer differing then.
This commit is contained in:
maj00r
2026-11-03 21:50:31 +01:00
parent 823807201c
commit a24118baf7
8 changed files with 88 additions and 2 deletions
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24
rendering/opengl33renderer.cpp
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@@ -2201,8 +2201,13 @@ bool opengl33_renderer::Append(gfx::vertex_array &Vertices, gfx::userdata_array
return m_geometry.append(Vertices, Userdata, Geometry);
}
void opengl33_renderer::Erase(gfx::geometry_handle const &Geometry)
{
m_geometry.erase(Geometry);
}
// provides direct access to index data of specfied chunk
gfx::index_array const & opengl33_renderer::Indices(gfx::geometry_handle const &Geometry) const
gfx::index_array const & opengl33_renderer::Indices(gfx::geometry_handle const &Geometry) const
{
return m_geometry.indices(Geometry);
}
@@ -2218,6 +2223,11 @@ gfx::userdata_array const &opengl33_renderer::UserData(const gfx::geometry_handl
return m_geometry.userdata(Geometry);
}
int opengl33_renderer::Primitive(gfx::geometry_handle const &Geometry) const
{
return static_cast<int>(m_geometry.primitive(Geometry));
}
// material methods
material_handle opengl33_renderer::Fetch_Material(std::string const &Filename, bool const Loadnow)
{
@@ -2225,6 +2235,18 @@ material_handle opengl33_renderer::Fetch_Material(std::string const &Filename, b
return m_materials.create(Filename, Loadnow);
}
material_handle opengl33_renderer::Matte_Material(material_handle const Material)
{
return m_materials.create_matte(Material);
}
material_handle opengl33_renderer::Tinted_Material(material_handle const Material, glm::vec3 const &Colour)
{
return m_materials.create_tinted(Material, Colour);
}
std::shared_ptr<gl::program> opengl33_renderer::Fetch_Shader(const std::string &name)
{
auto it = m_shaders.find(name);