mirror of
https://github.com/MaSzyna-EU07/maszyna.git
synced 2026-03-22 15:05:03 +01:00
561b84a329
update vao creation to support optional vertex data
update mesh serialization to account for new user data location
change t3d spec: userdata:{float|uint|int} to userdata:bool
77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
/*
|
|
This Source Code Form is subject to the
|
|
terms of the Mozilla Public License, v.
|
|
2.0. If a copy of the MPL was not
|
|
distributed with this file, You can
|
|
obtain one at
|
|
http://mozilla.org/MPL/2.0/.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "geometrybank.h"
|
|
#include "gl/buffer.h"
|
|
#include "gl/vao.h"
|
|
|
|
namespace gfx {
|
|
|
|
// opengl vao/vbo-based variant of the geometry bank
|
|
|
|
class opengl33_vaogeometrybank : public geometry_bank {
|
|
|
|
public:
|
|
// constructors:
|
|
opengl33_vaogeometrybank() = default;
|
|
// destructor
|
|
~opengl33_vaogeometrybank() {
|
|
delete_buffer(); }
|
|
// methods:
|
|
static
|
|
void
|
|
reset() {;}
|
|
|
|
private:
|
|
// types:
|
|
struct chunk_record {
|
|
std::size_t vertex_offset{ 0 }; // beginning of the chunk vertex data as offset from the beginning of the last established buffer
|
|
std::size_t vertex_count{ 0 }; // size of the chunk in the last established buffer
|
|
std::size_t index_offset{ 0 };
|
|
std::size_t index_count{ 0 };
|
|
bool has_userdata{ false };
|
|
bool is_good{ false }; // true if local content of the chunk matches the data on the opengl end
|
|
};
|
|
|
|
typedef std::vector<chunk_record> chunkrecord_sequence;
|
|
|
|
// methods:
|
|
// create() subclass details
|
|
void
|
|
create_( gfx::geometry_handle const &Geometry ) override;
|
|
// replace() subclass details
|
|
void
|
|
replace_( gfx::geometry_handle const &Geometry ) override;
|
|
// draw() subclass details
|
|
auto
|
|
draw_( gfx::geometry_handle const &Geometry, gfx::stream_units const &Units, unsigned int const Streams ) -> std::size_t override;
|
|
// release() subclass details
|
|
void
|
|
release_() override;
|
|
void
|
|
setup_buffer();
|
|
void
|
|
setup_attrib(size_t offset = 0);
|
|
void
|
|
setup_userdata(size_t offset = 0);
|
|
void
|
|
delete_buffer();
|
|
|
|
// members:
|
|
std::optional<gl::buffer> m_vertexbuffer; // vertex buffer data on the opengl end
|
|
std::optional<gl::buffer> m_indexbuffer; // index buffer data on the opengl end
|
|
std::optional<gl::vao> m_vao;
|
|
chunkrecord_sequence m_chunkrecords; // helper data for all stored geometry chunks, in matching order
|
|
int m_vertex_count;
|
|
};
|
|
|
|
} // namespace gfx
|