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Code Issues 139 Wiki Activity

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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7
rendering/opengl33renderer.h
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@@ -66,6 +66,7 @@ class opengl33_renderer : public gfx_renderer {
bool Replace(gfx::vertex_array &Vertices, gfx::userdata_array &Userdata, gfx::geometry_handle const &Geometry, int const Type, const std::size_t Offset = 0) override;
// adds supplied vertex data at the end of specified chunk
bool Append(gfx::vertex_array &Vertices, gfx::userdata_array &Userdata, gfx::geometry_handle const &Geometry, int const Type) override;
void Erase( gfx::geometry_handle const &Geometry ) override;
// provides direct access to index data of specfied chunk
gfx::index_array const &
Indices( gfx::geometry_handle const &Geometry ) const override;
@@ -75,9 +76,15 @@ class opengl33_renderer : public gfx_renderer {
// provides direct access to vertex data of specfied chunk
gfx::userdata_array const &
UserData( gfx::geometry_handle const &Geometry ) const override;
int
Primitive( gfx::geometry_handle const &Geometry ) const override;
// material methods
material_handle
Fetch_Material( std::string const &Filename, bool const Loadnow = true ) override;
material_handle
Matte_Material( material_handle const Material ) override;
material_handle
Tinted_Material( material_handle const Material, glm::vec3 const &Colour ) override;
void
Bind_Material( material_handle const Material, TSubModel const *sm = nullptr, lighting_data const *lighting = nullptr ) override;
IMaterial const *