libnx/nx/source/nvidia/gpu/zcull_ctx.c
2018-08-31 13:05:22 +02:00

29 lines
759 B
C

#include <switch.h>
Result nvzcullCreate(NvZcullContext* z, NvGpu* parent)
{
Result rc;
z->parent = parent;
rc = nvbufCreateRw(&z->ctx_buf, nvinfoGetZcullCtxSize(), 0x20000, NvBufferKind_Pitch);
iova_t iova_out;
if (R_SUCCEEDED(rc))
rc = nvasMapBuffer(&parent->addr_space, &z->ctx_buf, NvBufferKind_Pitch, &iova_out);
if (R_SUCCEEDED(rc))
rc = nvasMapBuffer(&parent->addr_space, &z->ctx_buf, NvBufferKind_Generic_16BX2, /*&iova_out*/ NULL);
if (R_SUCCEEDED(rc))
rc = nvioctlChannel_ZCullBind(parent->gpu_channel.fd, iova_out, NvZcullConfig_SeparateBuffer);
return rc;
}
void nvzcullClose(NvZcullContext* z) {
// TODO: Unmap z->ctx_buf from parent->addr_space?
nvbufFree(&z->ctx_buf);
}