X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Fbuffer.h;h=9144afaed3d1682f28efd8076988c8e815a977db;hb=ada4b7614137221b64a00f31fde1498064e9fb19;hp=ad3084298c55e74e0cfb4296bab53a556c5cceae;hpb=2d3113a7dbbe4be2f1d1e8980c1c4e42175163da;p=libs%2Fgl.git diff --git a/source/core/buffer.h b/source/core/buffer.h index ad308429..9144afae 100644 --- a/source/core/buffer.h +++ b/source/core/buffer.h @@ -4,12 +4,7 @@ #include #include #include -#include #include "gl.h" -#include -#include -#include -#include namespace Msp { namespace GL { @@ -21,35 +16,6 @@ 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, - STREAM_READ = GL_STREAM_READ, - STREAM_COPY = GL_STREAM_COPY, - STATIC_DRAW = GL_STATIC_DRAW, - STATIC_READ = GL_STATIC_READ, - STATIC_COPY = GL_STATIC_COPY, - DYNAMIC_DRAW = GL_DYNAMIC_DRAW, - DYNAMIC_READ = GL_DYNAMIC_READ, - DYNAMIC_COPY = GL_DYNAMIC_COPY -}; - -enum BufferAccess -{ - READ_ONLY = GL_READ_ONLY, - WRITE_ONLY = GL_WRITE_ONLY, - READ_WRITE = GL_READ_WRITE -}; - class BufferRange; /** @@ -59,49 +25,28 @@ UniformBlock classes contain built-in support for buffers. */ class Buffer { - friend class BufferRange; - private: - BufferType type; unsigned id; unsigned size; - bool allocated; - static const Buffer *bound[5]; + static Buffer *scratch_binding; 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); - /** Uploads data into the buffer, completely replacing any previous contents. Storage must be defined beforehand. The data must have size matching the defined storage. */ void data(const void *); - DEPRECATED void data(unsigned, const void *); - /** Overwrites part of the buffer data with new data. Storage must be defined beforehand. */ void sub_data(unsigned, unsigned, const void *); @@ -110,61 +55,15 @@ 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 *); - -public: void set_debug_name(const std::string &); -}; - -/** -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 *); - + void bind_scratch(); public: - DEPRECATED static unsigned get_n_uniform_buffer_bindings(); - DEPRECATED static unsigned get_uniform_buffer_alignment(); + static void unbind_scratch(); }; } // namespace GL