Merge branch 'master' into asm-shader-rework-2
[mesa.git] / src / mesa / main / bufferobj.h
index ef59ff83c84eadf6f58e551ad154eb8fc7151c4b..9f732ec0c07cfb3b70b2af4bea9d6025a546f5a3 100644 (file)
  * Internal functions
  */
 
+
+/** Is the given buffer object currently mapped? */
+static INLINE GLboolean
+_mesa_bufferobj_mapped(const struct gl_buffer_object *obj)
+{
+   return obj->Pointer != NULL;
+}
+
+/**
+ * Is the given buffer object a user-created buffer object?
+ * Mesa uses default buffer objects in several places.  Default buffers
+ * always have Name==0.  User created buffers have Name!=0.
+ */
+static INLINE GLboolean
+_mesa_is_bufferobj(const struct gl_buffer_object *obj)
+{
+   return obj->Name != 0;
+}
+
+
 extern void
 _mesa_init_buffer_objects( GLcontext *ctx );
 
@@ -61,32 +81,39 @@ _mesa_validate_pbo_access(GLuint dimensions,
                           GLsizei width, GLsizei height, GLsizei depth,
                           GLenum format, GLenum type, const GLvoid *ptr);
 
-extern const GLubyte *
-_mesa_map_bitmap_pbo(GLcontext *ctx,
+extern const GLvoid *
+_mesa_map_pbo_source(GLcontext *ctx,
                      const struct gl_pixelstore_attrib *unpack,
-                     const GLubyte *bitmap);
-
-extern void
-_mesa_unmap_bitmap_pbo(GLcontext *ctx,
-                       const struct gl_pixelstore_attrib *unpack);
+                     const GLvoid *src);
 
 extern const GLvoid *
-_mesa_map_drawpix_pbo(GLcontext *ctx,
-                      const struct gl_pixelstore_attrib *unpack,
-                      const GLvoid *pixels);
+_mesa_map_validate_pbo_source(GLcontext *ctx,
+                              GLuint dimensions,
+                              const struct gl_pixelstore_attrib *unpack,
+                              GLsizei width, GLsizei height, GLsizei depth,
+                              GLenum format, GLenum type, const GLvoid *ptr,
+                              const char *where);
 
 extern void
-_mesa_unmap_drawpix_pbo(GLcontext *ctx,
-                        const struct gl_pixelstore_attrib *unpack);
+_mesa_unmap_pbo_source(GLcontext *ctx,
+                       const struct gl_pixelstore_attrib *unpack);
 
 extern void *
-_mesa_map_readpix_pbo(GLcontext *ctx,
-                      const struct gl_pixelstore_attrib *pack,
-                      GLvoid *dest);
+_mesa_map_pbo_dest(GLcontext *ctx,
+                   const struct gl_pixelstore_attrib *pack,
+                   GLvoid *dest);
+
+extern GLvoid *
+_mesa_map_validate_pbo_dest(GLcontext *ctx,
+                            GLuint dimensions,
+                            const struct gl_pixelstore_attrib *unpack,
+                            GLsizei width, GLsizei height, GLsizei depth,
+                            GLenum format, GLenum type, GLvoid *ptr,
+                            const char *where);
 
 extern void
-_mesa_unmap_readpix_pbo(GLcontext *ctx,
-                        const struct gl_pixelstore_attrib *pack);
+_mesa_unmap_pbo_dest(GLcontext *ctx,
+                     const struct gl_pixelstore_attrib *pack);
 
 
 extern void