PROTOCOLS
Device
Defined in fuchsia.gpu.magma/magma.fidl
Query
Get a parameter.
Request
Response
QueryReturnsBuffer
Get a parameter and store it in a new vmo.
Request
Response
| Name | Type |
|---|
result |
handle<vmo>
|
Connect
Get the magma ipc channels.
Request
| Name | Type |
|---|
client_id |
uint64
|
Response
| Name | Type |
|---|
primary_channel |
handle<channel>
|
notification_channel |
handle<channel>
|
DumpState
Dumps driver and hardware state.
Request
| Name | Type |
|---|
dump_type |
uint32
|
TestRestart
For testing only.
Request
Primary
Defined in fuchsia.gpu.magma/magma.fidl
ImportBuffer
Imports a buffer for use in the system driver.
Request
| Name | Type |
|---|
buffer |
handle<vmo>
|
ReleaseBuffer
Destroys the buffer with buffer_id within this connection.
Request
| Name | Type |
|---|
buffer_id |
uint64
|
ImportObject
Imports an object for use in the system driver.
Request
| Name | Type |
|---|
object |
handle<handle>
|
object_type |
uint32
|
ReleaseObject
Destroys the object with object_id within this connection.
Request
| Name | Type |
|---|
object_id |
uint64
|
object_type |
uint32
|
CreateContext
Creates context context_id.
Request
| Name | Type |
|---|
context_id |
uint32
|
DestroyContext
Destroys context context_id.
Request
| Name | Type |
|---|
context_id |
uint32
|
ExecuteCommandBuffer
Submits a command buffer for execution on the GPU.
Note that the buffer referred to by command_buffer must contain a valid
magma_system_command_buffer and all associated data structures
Transfers ownership of command_buffer.
Request
| Name | Type |
|---|
command_buffer |
handle<handle>
|
context_id |
uint32
|
ExecuteCommandBufferWithResources
Submits a command buffer for execution on the GPU, with associated resources.
Request
| Name | Type |
|---|
context_id |
uint32
|
command_buffer |
CommandBuffer
|
resources |
vector<Resource>
|
wait_semaphores |
vector<uint64>
|
signal_semaphores |
vector<uint64>
|
Submits a series of commands for execution on the GPU without using a command buffer.
Request
| Name | Type |
|---|
context_id |
uint32
|
command_data |
vector<uint8>[2048]
|
semaphores |
vector<uint64>
|
GetError
Retrieve the current magma error status.
Request
Response
| Name | Type |
|---|
magma_status |
int32
|
MapBufferGpu
Maps page_count pages of buffer from page_offset onto the GPU in the connection's
address space at gpu_va. flags is a set of flags from MAGMA_GPU_MAP_FLAGS that
specify how the GPU can access the buffer.
Request
| Name | Type |
|---|
buffer_id |
uint64
|
gpu_va |
uint64
|
page_offset |
uint64
|
page_count |
uint64
|
flags |
uint64
|
UnmapBufferGpu
Releases the mapping at gpu_va from the GPU.
Buffers will also be implicitly unmapped when released.
Request
| Name | Type |
|---|
buffer_id |
uint64
|
gpu_va |
uint64
|
CommitBuffer
Ensures that page_count pages starting at page_offset from the beginning of the
buffer are backed by physical memory.
Request
| Name | Type |
|---|
buffer_id |
uint64
|
page_offset |
uint64
|
page_count |
uint64
|
STRUCTS
Resource
Defined in fuchsia.gpu.magma/magma.fidl
| Name | Type | Description | Default |
|---|
buffer |
uint64
|
|
No default |
offset |
uint64
|
|
No default |
length |
uint64
|
|
No default |
CommandBuffer
Defined in fuchsia.gpu.magma/magma.fidl
| Name | Type | Description | Default |
|---|
batch_buffer_resource_index |
uint32
|
|
No default |
batch_start_offset |
uint32
|
|
No default |
CONSTANTS
