Mesa (master): clover: Support multiple devices in clCreateContextFromType( ) v2

[Tom Stellard]

Module: Mesa
Branch: master
Commit: 17af4dd52b0530b671fb7ae64345500f62ed7ee3
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=17af4dd52b0530b671fb7ae64345500f62ed7ee3

Author: Tom Stellard <thomas.stell...@amd.com>
Date:   Thu Apr 11 10:37:55 2013 -0400

clover: Support multiple devices in clCreateContextFromType() v2

v2:
  - Use clGetDeviceIDs to query devices.

Reviewed-by: Francisco Jerez <curroje...@riseup.net>

CC: "10.0" <mesa-sta...@lists.freedesktop.org>

---

 src/gallium/state_trackers/clover/api/context.cpp |   12 +++++++++---
 1 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/gallium/state_trackers/clover/api/context.cpp 
b/src/gallium/state_trackers/clover/api/context.cpp
index 7b020a6..a78c00b 100644
--- a/src/gallium/state_trackers/clover/api/context.cpp
+++ b/src/gallium/state_trackers/clover/api/context.cpp
@@ -61,18 +61,24 @@ clCreateContextFromType(const cl_context_properties 
*d_props,
                         void *user_data, cl_int *r_errcode) try {
    cl_platform_id d_platform;
    cl_uint num_platforms;
-   cl_device_id d_dev;
    cl_int ret;
+   std::vector<cl_device_id> devs;
+   cl_uint num_devices;
 
    ret = clGetPlatformIDs(1, &d_platform, &num_platforms);
    if (ret || !num_platforms)
       throw error(CL_INVALID_PLATFORM);
 
-   ret = clGetDeviceIDs(d_platform, type, 1, &d_dev, 0);
+   ret = clGetDeviceIDs(d_platform, type, 0, NULL, &num_devices);
+   if (ret)
+      throw error(CL_DEVICE_NOT_FOUND);
+   devs.resize(num_devices);
+   ret = clGetDeviceIDs(d_platform, type, num_devices, devs.data(), 0);
    if (ret)
       throw error(CL_DEVICE_NOT_FOUND);
 
-   return clCreateContext(d_props, 1, &d_dev, pfn_notify, user_data, 
r_errcode);
+   return clCreateContext(d_props, num_devices, devs.data(), pfn_notify,
+                          user_data, r_errcode);
 
 } catch (error &e) {
    ret_error(r_errcode, e);

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