From 34d12c1787116c254e528dd981810b7b78b7a2ee Mon Sep 17 00:00:00 2001 From: José Fonseca Date: Thu, 21 Aug 2008 13:57:59 +0100 Subject: trace: Hack to detect writes to user buffers. It often happens that new data is written directly to the user buffers without mapping/unmapping. This hack marks user buffers and dumps them before passing them to pipe context. --- src/gallium/drivers/trace/tr_winsys.c | 40 +++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) (limited to 'src/gallium/drivers/trace/tr_winsys.c') diff --git a/src/gallium/drivers/trace/tr_winsys.c b/src/gallium/drivers/trace/tr_winsys.c index 120006ea9f..2c7a6f893b 100644 --- a/src/gallium/drivers/trace/tr_winsys.c +++ b/src/gallium/drivers/trace/tr_winsys.c @@ -242,10 +242,50 @@ trace_winsys_user_buffer_create(struct pipe_winsys *_winsys, trace_dump_call_end(); + /* XXX: Mark the user buffers. (we should wrap pipe_buffers, but is is + * impossible to do so while texture-less surfaces are still around */ + if(result) { + assert(!(result->usage & TRACE_BUFFER_USAGE_USER)); + result->usage |= TRACE_BUFFER_USAGE_USER; + } + return result; } +void +trace_winsys_user_buffer_update(struct pipe_winsys *_winsys, + struct pipe_buffer *buffer) +{ + struct trace_winsys *tr_ws = trace_winsys(_winsys); + struct pipe_winsys *winsys = tr_ws->winsys; + const void *map; + + if(buffer && buffer->usage & TRACE_BUFFER_USAGE_USER) { + map = winsys->buffer_map(winsys, buffer, PIPE_BUFFER_USAGE_CPU_READ); + if(map) { + trace_dump_call_begin("pipe_winsys", "buffer_write"); + + trace_dump_arg(ptr, winsys); + + trace_dump_arg(ptr, buffer); + + trace_dump_arg_begin("data"); + trace_dump_bytes(map, buffer->size); + trace_dump_arg_end(); + + trace_dump_arg_begin("size"); + trace_dump_uint(buffer->size); + trace_dump_arg_end(); + + trace_dump_call_end(); + + winsys->buffer_unmap(winsys, buffer); + } + } +} + + static void * trace_winsys_buffer_map(struct pipe_winsys *_winsys, struct pipe_buffer *buffer, -- cgit v1.2.3