X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Fbuffer.h;h=a80e52a68b9c34b00e499c6a16fb0b9e85446d39;hb=e92de029768eef5f0fd744329e589161b46d0762;hp=cc5e58741c141f1fd5910e1abda23ec68a650a39;hpb=7aaec9a70b8d7733429bec043f8e33e02956f266;p=libs%2Fgl.git diff --git a/source/core/buffer.h b/source/core/buffer.h index cc5e5874..a80e52a6 100644 --- a/source/core/buffer.h +++ b/source/core/buffer.h @@ -21,15 +21,6 @@ public: virtual ~buffer_too_small() throw() { } }; -enum BufferType -{ - ARRAY_BUFFER = GL_ARRAY_BUFFER, - ELEMENT_ARRAY_BUFFER = GL_ELEMENT_ARRAY_BUFFER, - PIXEL_PACK_BUFFER = GL_PIXEL_PACK_BUFFER, - PIXEL_UNPACK_BUFFER = GL_PIXEL_UNPACK_BUFFER, - UNIFORM_BUFFER = GL_UNIFORM_BUFFER -}; - enum BufferUsage { STREAM_DRAW = GL_STREAM_DRAW, @@ -62,30 +53,25 @@ class Buffer friend class BufferRange; private: - BufferType type; unsigned id; unsigned size; - - static const Buffer *bound[5]; + bool allocated; public: - Buffer(BufferType); + Buffer(); ~Buffer(); -private: - static void require_buffer_type(BufferType); - -public: /** Returns the OpenGL ID of the buffer. For internal use only. */ unsigned get_id() const { return id; } - /** Returns the default binding type for the buffer. */ - BufferType get_type() const { return type; } - /** Defines the storage size of the buffer. Must be called before data can be uploaded. Storage cannot be changed once set. */ void storage(unsigned); + /** Allocates storage for the buffer. The contents are initially undefined. + If storage has already been allocated, does nothing. */ + void allocate(); + /** Sets the usage hint of the buffer. It will take effect the next time the buffer's contents are defined. */ DEPRECATED void set_usage(BufferUsage); @@ -105,58 +91,11 @@ public: void require_size(unsigned) const; - BufferRange *create_range(unsigned, unsigned); - void *map(); DEPRECATED void *map(BufferAccess) { return map(); } bool unmap(); - /** Binds the buffer in its default slot. */ - void bind() const { bind_to(type); } - - /** Binds the buffer in an alternate slot. */ - void bind_to(BufferType) const; - - /** Unbinds the buffer from its default slot. */ - void unbind() const { unbind_from(type); } - - static const Buffer *current(BufferType); - static void unbind_from(BufferType); -private: - static const Buffer *&binding(BufferType); - static bool set_current(BufferType, const Buffer *); -}; - - -/** -A proxy for a subset of a buffer. Can be bound for use with uniform blocks. -*/ -class BufferRange -{ -private: - Buffer &buffer; - unsigned offset; - unsigned size; - - static std::vector bound_uniform; - -public: - BufferRange(Buffer &, unsigned, unsigned); - ~BufferRange(); - - void data(const void *); - - void bind_to(BufferType, unsigned); - - static const BufferRange *current(BufferType t, unsigned i) { return binding(t, i); } - static void unbind_from(BufferType, unsigned); -private: - static const BufferRange *&binding(BufferType, unsigned); - static bool set_current(BufferType, unsigned, const BufferRange *); - -public: - static unsigned get_n_uniform_buffer_bindings(); - static unsigned get_uniform_buffer_alignment(); + void set_debug_name(const std::string &); }; } // namespace GL