X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fbuffer.h;h=39e88cd1ce7647b74ea5f7f6b75cba575ea0d403;hp=25ce46993f1080fb9641dcc9bcf4c206d8cafda7;hb=00cc52f21b5ae29fb1b25c162552c851a0559e66;hpb=6afbace895a7bbcf216ab8e48280ea0303ab5892 diff --git a/source/buffer.h b/source/buffer.h index 25ce4699..39e88cd1 100644 --- a/source/buffer.h +++ b/source/buffer.h @@ -3,6 +3,10 @@ #include #include "gl.h" +#include +#include +#include +#include namespace Msp { namespace GL { @@ -29,6 +33,13 @@ enum BufferUsage DYNAMIC_COPY = GL_DYNAMIC_COPY }; +enum BufferAccess +{ + READ_ONLY = GL_READ_ONLY, + WRITE_ONLY = GL_WRITE_ONLY, + READ_WRITE = GL_READ_WRITE +}; + class BufferRange; /** @@ -56,6 +67,12 @@ 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; } + /** Sets the usage hint of the buffer. It will take effect the next time the buffer's contents are defined. */ void set_usage(BufferUsage); @@ -72,6 +89,9 @@ public: BufferRange *create_range(unsigned, unsigned); + void *map(BufferAccess); + bool unmap(); + /** Binds the buffer in its default slot. */ void bind() const { bind_to(type); } @@ -81,30 +101,11 @@ public: /** Unbinds the buffer from its default slot. */ void unbind() const { unbind_from(type); } - static const Buffer *current(BufferType t) { return binding(t); } + static const Buffer *current(BufferType); static void unbind_from(BufferType); private: static const Buffer *&binding(BufferType); static bool set_current(BufferType, const Buffer *); - static void restore(const Buffer *, BufferType); -}; - - -/** -An adaptor for Buffer to make it compatible with Bind. -*/ -template -class BufferAlias -{ -private: - const Buffer &buffer; - -public: - BufferAlias(const Buffer &b): buffer(b) { } - - void bind() const { buffer.bind_to(T); } - static const Buffer *current() { return Buffer::current(T); } - static void unbind() { Buffer::unbind_from(T); } }; @@ -122,6 +123,7 @@ private: public: BufferRange(Buffer &, unsigned, unsigned); + ~BufferRange(); void data(const void *);