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Remember memory size in gfx::buffer

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This commit is contained in:
Nikita Lisitsa 2023-02-26 20:08:59 +03:00
parent 11af452b16
commit 6d5a01921c
1 changed files with 13 additions and 1 deletions
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14
libs/gfx/include/psemek/gfx/buffer.hpp
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@ -21,8 +21,10 @@ namespace psemek::gfx
basic_buffer(basic_buffer && other) basic_buffer(basic_buffer && other)
: id_{other.id_} : id_{other.id_}
, size_{other.size_}
{ {
other.id_ = 0; other.id_ = 0;
other.size_ = 0;
} }
basic_buffer & operator = (basic_buffer && other) basic_buffer & operator = (basic_buffer && other)
@ -31,8 +33,10 @@ namespace psemek::gfx
return *this; return *this;
reset(); reset();
id_ = std::move(other.id_); id_ = other.id_;
size_ = other.size_;
other.id_ = 0; other.id_ = 0;
other.size_ = 0;
return *this; return *this;
} }
@ -68,12 +72,14 @@ namespace psemek::gfx
if (id_) if (id_)
gl::DeleteBuffers(1, &id_); gl::DeleteBuffers(1, &id_);
id_ = 0; id_ = 0;
size_ = 0;
} }
void load(void const * data, std::size_t size, GLenum usage = gl::STREAM_DRAW) void load(void const * data, std::size_t size, GLenum usage = gl::STREAM_DRAW)
{ {
bind(); bind();
gl::BufferData(Target, size, data, usage); gl::BufferData(Target, size, data, usage);
size_ = size;
} }
template <typename T> template <typename T>
@ -142,6 +148,11 @@ namespace psemek::gfx
load_subdata(offset, data.data(), data.size()); load_subdata(offset, data.data(), data.size());
} }
std::size_t size() const
{
return size_;
}
template <typename T> template <typename T>
std::shared_ptr<T[]> map() std::shared_ptr<T[]> map()
{ {
@ -159,6 +170,7 @@ namespace psemek::gfx
private: private:
GLuint id_ = 0; GLuint id_ = 0;
std::size_t size_ = 0;
std::weak_ptr<void> mapped_; std::weak_ptr<void> mapped_;
explicit basic_buffer(std::nullptr_t) explicit basic_buffer(std::nullptr_t)