From 004d8f11882c6c149a395cf2e86d5d5fb3fa114b Mon Sep 17 00:00:00 2001 From: José Fonseca Date: Tue, 3 Mar 2009 18:52:51 +0000 Subject: mesa: Massage the interface to more closely resemble ARB_map_buffer_range --- src/mesa/state_tracker/st_cb_bufferobjects.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'src/mesa/state_tracker/st_cb_bufferobjects.c') diff --git a/src/mesa/state_tracker/st_cb_bufferobjects.c b/src/mesa/state_tracker/st_cb_bufferobjects.c index 28e387c399..526fc95873 100644 --- a/src/mesa/state_tracker/st_cb_bufferobjects.c +++ b/src/mesa/state_tracker/st_cb_bufferobjects.c @@ -218,6 +218,7 @@ st_bufferobj_map_range(GLcontext *ctx, GLenum target, struct pipe_context *pipe = st_context(ctx)->pipe; struct st_buffer_object *st_obj = st_buffer_object(obj); GLuint flags = 0; + char *map; if (access & GL_MAP_WRITE_BIT) flags |= PIPE_BUFFER_USAGE_CPU_WRITE; @@ -231,8 +232,12 @@ st_bufferobj_map_range(GLcontext *ctx, GLenum target, if (access & MESA_MAP_NOWAIT_BIT) flags |= PIPE_BUFFER_USAGE_DONTBLOCK; - obj->Pointer = pipe_buffer_map(pipe->screen, st_obj->buffer, flags); - return obj->Pointer; + map = pipe_buffer_map_range(pipe->screen, st_obj->buffer, offset, length, flags); + /* FIXME: some code expects this to point to the buffer start, which means that + * the range might not be respected in all circumstances + */ + obj->Pointer = map ? map - offset : NULL; + return map; } -- cgit v1.2.3