Mesa (master): gallium/docs: document interface changes for timestamp query
Marek Olšák
mareko at kemper.freedesktop.org
Tue Jul 10 17:08:43 UTC 2012
Module: Mesa
Branch: master
Commit: 67a8ee891b2e119d826d8f830c1cbbe64ecb4f82
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=67a8ee891b2e119d826d8f830c1cbbe64ecb4f82
Author: Marek Olšák <maraeo at gmail.com>
Date: Tue Jul 10 18:55:46 2012 +0200
gallium/docs: document interface changes for timestamp query
the query type is already documented
---
src/gallium/docs/source/screen.rst | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index 2c683ef..4eb5b32 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -128,6 +128,8 @@ The integer capabilities:
alignment of pipe_constant_buffer::buffer_offset.
* ``PIPE_CAP_START_INSTANCE``: Whether the driver supports
pipe_draw_info::start_instance.
+* ``PIPE_CAP_QUERY_TIMESTAMP``: Whether PIPE_QUERY_TIMESTAMP and
+ the pipe_screen::get_timestamp hook are implemented.
.. _pipe_capf:
@@ -399,3 +401,11 @@ resource_destroy
Destroy a resource. A resource is destroyed if it has no more references.
+
+
+get_timestamp
+^^^^^^^^^^^^^
+
+Query a timestamp in nanoseconds. The returned value should match
+PIPE_QUERY_TIMESTAMP. This function returns immediately and doesn't
+wait for rendering to complete (which cannot be achieved with queries).
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