+ screen->transfer_unmap(screen, transfer);
+}
+
+
+/********************************************************************
+ * buffer
+ */
+
+
+static struct pipe_buffer *
+trace_screen_surface_buffer_create(struct pipe_screen *_screen,
+ unsigned width, unsigned height,
+ enum pipe_format format,
+ unsigned usage,
+ unsigned tex_usage,
+ unsigned *pstride)
+{
+ struct trace_screen *tr_scr = trace_screen(_screen);
+ struct pipe_screen *screen = tr_scr->screen;
+ unsigned stride;
+ struct pipe_buffer *result;
+
+ trace_dump_call_begin("pipe_screen", "surface_buffer_create");
+
+ trace_dump_arg(ptr, screen);
+ trace_dump_arg(uint, width);
+ trace_dump_arg(uint, height);
+ trace_dump_arg(format, format);
+ trace_dump_arg(uint, usage);
+ trace_dump_arg(uint, tex_usage);
+
+ result = screen->surface_buffer_create(screen,
+ width, height,
+ format,
+ usage,
+ tex_usage,
+ pstride);
+
+ stride = *pstride;
+
+ trace_dump_arg(uint, stride);
+
+ trace_dump_ret(ptr, result);
+
+ trace_dump_call_end();
+
+ return trace_buffer_create(tr_scr, result);
+}
+
+
+static struct pipe_buffer *
+trace_screen_buffer_create(struct pipe_screen *_screen,
+ unsigned alignment,
+ unsigned usage,
+ unsigned size)
+{
+ struct trace_screen *tr_scr = trace_screen(_screen);
+ struct pipe_screen *screen = tr_scr->screen;
+ struct pipe_buffer *result;
+
+ trace_dump_call_begin("pipe_screen", "buffer_create");
+
+ trace_dump_arg(ptr, screen);
+ trace_dump_arg(uint, alignment);
+ trace_dump_arg(uint, usage);
+ trace_dump_arg(uint, size);
+
+ result = screen->buffer_create(screen, alignment, usage, size);
+
+ trace_dump_ret(ptr, result);
+
+ trace_dump_call_end();
+
+ /* Zero the buffer to avoid dumping uninitialized memory */
+ if(result->usage & PIPE_BUFFER_USAGE_CPU_WRITE) {
+ void *map;
+ map = pipe_buffer_map(screen, result, PIPE_BUFFER_USAGE_CPU_WRITE);
+ if(map) {
+ memset(map, 0, result->size);
+ screen->buffer_unmap(screen, result);
+ }
+ }
+
+ return trace_buffer_create(tr_scr, result);
+}
+
+
+static struct pipe_buffer *
+trace_screen_user_buffer_create(struct pipe_screen *_screen,
+ void *data,
+ unsigned size)
+{
+ struct trace_screen *tr_scr = trace_screen(_screen);
+ struct pipe_screen *screen = tr_scr->screen;
+ struct pipe_buffer *result;
+
+ trace_dump_call_begin("pipe_screen", "user_buffer_create");
+
+ trace_dump_arg(ptr, screen);
+ trace_dump_arg_begin("data");
+ trace_dump_bytes(data, size);
+ trace_dump_arg_end();
+ trace_dump_arg(uint, size);
+
+ result = screen->user_buffer_create(screen, data, size);
+
+ trace_dump_ret(ptr, result);
+
+ trace_dump_call_end();
+
+ if(result) {
+ assert(!(result->usage & TRACE_BUFFER_USAGE_USER));
+ result->usage |= TRACE_BUFFER_USAGE_USER;
+ }
+
+ return trace_buffer_create(tr_scr, result);
+}
+
+
+/**
+ * This function is used to track if data has been changed on a user buffer
+ * without map/unmap being called.
+ */
+void
+trace_screen_user_buffer_update(struct pipe_screen *_screen,
+ struct pipe_buffer *_buffer)
+{
+#if 0
+ struct trace_screen *tr_scr = trace_screen(_screen);
+ struct pipe_screen *screen = tr_scr->screen;
+ const void *map;
+
+ if(buffer && buffer->usage & TRACE_BUFFER_USAGE_USER) {
+ map = screen->buffer_map(screen, buffer, PIPE_BUFFER_USAGE_CPU_READ);
+ if(map) {
+ trace_dump_call_begin("pipe_winsys", "buffer_write");
+
+ trace_dump_arg(ptr, screen);
+
+ 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();
+
+ screen->buffer_unmap(screen, buffer);
+ }
+ }
+#endif
+}
+
+
+static void *
+trace_screen_buffer_map(struct pipe_screen *_screen,
+ struct pipe_buffer *_buffer,
+ unsigned usage)
+{
+ struct trace_screen *tr_scr = trace_screen(_screen);
+ struct trace_buffer *tr_buf = trace_buffer(_buffer);
+ struct pipe_screen *screen = tr_scr->screen;
+ struct pipe_buffer *buffer = tr_buf->buffer;
+ void *map;
+
+ assert(screen->buffer_map);
+ map = screen->buffer_map(screen, buffer, usage);
+ if(map) {
+ if(usage & PIPE_BUFFER_USAGE_CPU_WRITE) {
+ tr_buf->map = map;
+ }
+ }
+
+ return map;
+}
+
+
+static void *
+trace_screen_buffer_map_range(struct pipe_screen *_screen,
+ struct pipe_buffer *_buffer,
+ unsigned offset,
+ unsigned length,
+ unsigned usage)
+{
+ struct trace_screen *tr_scr = trace_screen(_screen);
+ struct trace_buffer *tr_buf = trace_buffer(_buffer);
+ struct pipe_screen *screen = tr_scr->screen;
+ struct pipe_buffer *buffer = tr_buf->buffer;
+ void *map;
+
+ assert(screen->buffer_map_range);
+ map = screen->buffer_map_range(screen, buffer, offset, length, usage);
+ if(map) {
+ if(usage & PIPE_BUFFER_USAGE_CPU_WRITE) {
+ tr_buf->map = map;
+ }
+ }
+
+ return map;