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https://github.com/switchbrew/libnx.git
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44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
#pragma once
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#include "../kernel/event.h"
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#include "channel.h"
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#include "fence.h"
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#define GPFIFO_QUEUE_SIZE 0x800
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#define GPFIFO_ENTRY_NOT_MAIN BIT(9)
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#define GPFIFO_ENTRY_NO_PREFETCH BIT(31)
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typedef struct NvGpuChannel
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{
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NvChannel base;
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Event error_event;
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u64 object_id;
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NvFence fence;
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u32 fence_incr;
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nvioctl_gpfifo_entry entries[GPFIFO_QUEUE_SIZE];
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u32 num_entries;
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} NvGpuChannel;
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Result nvGpuChannelCreate(NvGpuChannel* c, struct NvAddressSpace* as, NvChannelPriority prio);
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void nvGpuChannelClose(NvGpuChannel* c);
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Result nvGpuChannelZcullBind(NvGpuChannel* c, iova_t iova);
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Result nvGpuChannelAppendEntry(NvGpuChannel* c, iova_t start, size_t num_cmds, u32 flags, u32 flush_threshold);
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Result nvGpuChannelKickoff(NvGpuChannel* c);
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Result nvGpuChannelGetErrorNotification(NvGpuChannel* c, NvError* error);
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static inline u32 nvGpuChannelGetSyncpointId(NvGpuChannel* c)
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{
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return c->fence.id;
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}
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static inline void nvGpuChannelGetFence(NvGpuChannel* c, NvFence* fence_out)
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{
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fence_out->id = c->fence.id;
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fence_out->value = c->fence.value + c->fence_incr;
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}
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static inline void nvGpuChannelIncrFence(NvGpuChannel* c)
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{
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++c->fence_incr;
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}
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