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authorMarek Olšák <[email protected]>2012-07-10 18:55:46 +0200
committerMarek Olšák <[email protected]>2012-07-10 19:04:13 +0200
commit67a8ee891b2e119d826d8f830c1cbbe64ecb4f82 (patch)
tree8fb81283faf53bc132f35b9a2e72f0ec93c382af /src/gallium/docs
parenta3fccafda9596d9377a621904098afe223825576 (diff)
gallium/docs: document interface changes for timestamp query
the query type is already documented
Diffstat (limited to 'src/gallium/docs')
-rw-r--r--src/gallium/docs/source/screen.rst10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index 2c683efa9a7..4eb5b32edcf 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).