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

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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;