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vo_opengl: hwdec_cuda: get the cuda device from the GL context 

Obviously, in the vast majority of cases, there's only one device
in the system, but doing this means we're more likely to get a
usable device in the multi-device case.

cuda would support decoding on one device and displaying on another
but the peer memory handling is not transparent and I have no way
to test it so I can't really write it.
This commit is contained in:
Philip Langdale 2016-09-22 21:52:23 -07:00 committed by wm4
parent 441febfcba
commit 343da8d73d
1 changed files with 3 additions and 3 deletions
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6
video/out/opengl/hwdec_cuda.c
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@ -126,9 +126,9 @@ static int cuda_create(struct gl_hwdec *hw)
CUdevice device;
CUcontext cuda_ctx = NULL;
CUcontext dummy;
unsigned int device_count;
int ret = 0, eret = 0;
// PBO Requirements
if (hw->gl->version < 210 && hw->gl->es < 300) {
MP_ERR(hw, "need OpenGL >= 2.1 or OpenGL-ES >= 3.0\n");
return -1;
@ -141,8 +141,8 @@ static int cuda_create(struct gl_hwdec *hw)
if (ret < 0)
goto error;
///TODO: Make device index configurable
ret = CHECK_CU(cuDeviceGet(&device, 0));
ret = CHECK_CU(cuGLGetDevices(&device_count, &device, 1,
CU_GL_DEVICE_LIST_ALL));
if (ret < 0)
goto error;