diff options
Diffstat (limited to 'src/mesa/main/varray.h')
-rw-r--r-- | src/mesa/main/varray.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/mesa/main/varray.h b/src/mesa/main/varray.h index 2b54fde9836..a75cb7db8ea 100644 --- a/src/mesa/main/varray.h +++ b/src/mesa/main/varray.h @@ -29,6 +29,7 @@ #include "glheader.h" +#include "bufferobj.h" struct gl_client_array; struct gl_context; @@ -64,6 +65,44 @@ _mesa_update_array_max_element(struct gl_client_array *array) } +/** + * Returns a pointer to the vertex attribute data in a client array, + * or the offset into the vertex buffer for an array that resides in + * a vertex buffer. + */ +static inline const GLubyte * +_mesa_vertex_attrib_address(struct gl_vertex_attrib_array *array, + struct gl_vertex_buffer_binding *binding) +{ + return (binding->BufferObj->Name == 0 ? + array->Ptr : + (const GLubyte *)(binding->Offset + array->RelativeOffset)); +} + +/** + * Sets the fields in a gl_client_array to values derived from a + * gl_vertex_attrib_array and a gl_vertex_buffer_binding. + */ +static inline void +_mesa_update_client_array(struct gl_context *ctx, + struct gl_client_array *dst, + struct gl_vertex_attrib_array *src, + struct gl_vertex_buffer_binding *binding) +{ + dst->Size = src->Size; + dst->Type = src->Type; + dst->Format = src->Format; + dst->Stride = src->Stride; + dst->StrideB = binding->Stride; + dst->Ptr = _mesa_vertex_attrib_address(src, binding); + dst->Enabled = src->Enabled; + dst->Normalized = src->Normalized; + dst->Integer = src->Integer; + dst->InstanceDivisor = binding->InstanceDivisor; + dst->_ElementSize = src->_ElementSize; + _mesa_reference_buffer_object(ctx, &dst->BufferObj, binding->BufferObj); +} + extern void GLAPIENTRY _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr); @@ -278,6 +317,15 @@ _mesa_copy_client_array(struct gl_context *ctx, struct gl_client_array *dst, struct gl_client_array *src); +extern void +_mesa_copy_vertex_attrib_array(struct gl_context *ctx, + struct gl_vertex_attrib_array *dst, + const struct gl_vertex_attrib_array *src); + +extern void +_mesa_copy_vertex_buffer_binding(struct gl_context *ctx, + struct gl_vertex_buffer_binding *dst, + const struct gl_vertex_buffer_binding *src); extern void _mesa_print_arrays(struct gl_context *ctx); |