]> git.tdb.fi Git - libs/gl.git/blobdiff - source/buffer.h
BufferAlias is now obsolete
[libs/gl.git] / source / buffer.h
index 6f0a9708e18069485460587d3295b63aaf6055b1..4f9f32943df58e420848832d2d298914c74676e4 100644 (file)
@@ -3,30 +3,32 @@
 
 #include <vector>
 #include "gl.h"
+#include <msp/gl/extensions/arb_vertex_buffer_object.h>
+#include <msp/gl/extensions/arb_uniform_buffer_object.h>
 
 namespace Msp {
 namespace GL {
 
 enum BufferType
 {
-       ARRAY_BUFFER         = GL_ARRAY_BUFFER_ARB,
-       ELEMENT_ARRAY_BUFFER = GL_ELEMENT_ARRAY_BUFFER_ARB,
-       PIXEL_PACK_BUFFER    = GL_PIXEL_PACK_BUFFER_ARB,
-       PIXEL_UNPACK_BUFFER  = GL_PIXEL_UNPACK_BUFFER_ARB,
+       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_ARB,
-       STREAM_READ  = GL_STREAM_READ_ARB,
-       STREAM_COPY  = GL_STREAM_COPY_ARB,
-       STATIC_DRAW  = GL_STATIC_DRAW_ARB,
-       STATIC_READ  = GL_STATIC_READ_ARB,
-       STATIC_COPY  = GL_STATIC_COPY_ARB,
-       DYNAMIC_DRAW = GL_DYNAMIC_DRAW_ARB,
-       DYNAMIC_READ = GL_DYNAMIC_READ_ARB,
-       DYNAMIC_COPY = GL_DYNAMIC_COPY_ARB
+       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
 };
 
 class BufferRange;
@@ -56,6 +58,12 @@ 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);
@@ -90,24 +98,6 @@ private:
 };
 
 
-/**
-An adaptor for Buffer to make it compatible with Bind.
-*/
-template<BufferType T>
-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); }
-};
-
-
 /**
 A proxy for a subset of a buffer.  Can be bound for use with uniform blocks.
 */
@@ -135,6 +125,7 @@ private:
 
 public:
        static unsigned get_n_uniform_buffer_bindings();
+       static unsigned get_uniform_buffer_alignment();
 };
 
 } // namespace GL