[Mesa-dev] [RFC 2/3] clover: Pass work_dim parameter of clEnqueueNDRangeKernel() to driver

[Hans de Goede]

In order to implement get_work_dim() the driver may need to know the
clEnqueueNDRangeKernel() work_dim parameter, so pass it to the driver.

Signed-off-by: Hans de Goede <hdegoede at redhat.com>
---
 src/gallium/include/pipe/p_state.h                | 7 +++++++
 src/gallium/state_trackers/clover/core/kernel.cpp | 1 +
 2 files changed, 8 insertions(+)

diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
index 9e466ce..0558348 100644
--- a/src/gallium/include/pipe/p_state.h
+++ b/src/gallium/include/pipe/p_state.h
@@ -703,6 +703,13 @@ struct pipe_grid_info
    void *input;
 
    /**
+    * Grid number of dimensions, 1-3, e.g. the work_dim parameter passed to
+    * clEnqueueNDRangeKernel. Note block[] and grid[] must be padded with
+    * 1 for non-used dimensions.
+    */
+   uint work_dim;
+
+   /**
     * Determine the layout of the working block (in thread units) to be used.
     */
    uint block[3];
diff --git a/src/gallium/state_trackers/clover/core/kernel.cpp b/src/gallium/state_trackers/clover/core/kernel.cpp
index 266d50e..555275c 100644
--- a/src/gallium/state_trackers/clover/core/kernel.cpp
+++ b/src/gallium/state_trackers/clover/core/kernel.cpp
@@ -76,6 +76,7 @@ kernel::launch(command_queue &q,
                               exec.g_buffers.data(), g_handles.data());
 
    // Fill information for the launch_grid() call.
+   info.work_dim = grid_size.size();
    copy(pad_vector(q, block_size, 1), info.block);
    copy(pad_vector(q, reduced_grid_size, 1), info.grid);
    info.pc = find(name_equals(_name), m.syms).offset;
-- 
2.7.4