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build/
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*.o
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*.ppu
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*.a
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*.so
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*.dll
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*.dylib
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*.exe
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.DS_Store
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.idea/
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.vscode/
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# Contributing
|
||||||
|
|
||||||
|
Contributions should be small, portable, documented, and independently written for AGX Open.
|
||||||
|
|
||||||
|
- Do not submit proprietary AGX Engine code.
|
||||||
|
- Do not include credentials, private endpoints, customer data, or internal documents.
|
||||||
|
- Add or update an example when changing a public API.
|
||||||
|
- Run `make test` before opening a pull request.
|
||||||
|
- Keep the CPU reference backend understandable for students.
|
||||||
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|||||||
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||||||
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Apache License
|
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Version 2.0, January 2004
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http://www.apache.org/licenses/
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TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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1. Definitions.
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END OF TERMS AND CONDITIONS
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APPENDIX: How to apply the Apache License to your work.
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@@ -0,0 +1,20 @@
|
|||||||
|
FPC ?= fpc
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||||||
|
FLAGS = -Fu./src -FE./build
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||||||
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||||||
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all: hello compute
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||||||
|
|
||||||
|
build:
|
||||||
|
mkdir -p build
|
||||||
|
|
||||||
|
hello: build
|
||||||
|
$(FPC) $(FLAGS) examples/hello_device/hello_device.pas
|
||||||
|
|
||||||
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compute: build
|
||||||
|
$(FPC) $(FLAGS) examples/compute_demo/compute_demo.pas
|
||||||
|
|
||||||
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test: all
|
||||||
|
./build/hello_device
|
||||||
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./build/compute_demo
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||||||
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|
||||||
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clean:
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||||||
|
rm -rf build
|
||||||
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|||||||
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# AGX Open
|
||||||
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|
||||||
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AGX Open is the public, experimental SDK for learning and prototyping portable compute concepts in Free Pascal.
|
||||||
|
|
||||||
|
This repository is a **clean public implementation**. It does not contain the proprietary AGX policy engine, optimization algorithms, internal scheduler, cache system, mesh enhancement system, interception layer, or commercial rendering backend.
|
||||||
|
|
||||||
|
## Current features
|
||||||
|
|
||||||
|
- Device and backend abstraction
|
||||||
|
- Safe buffer allocation, upload, and download
|
||||||
|
- CPU reference kernels
|
||||||
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- CUDA-like submit-and-dispatch learning model
|
||||||
|
- Small examples that compile independently
|
||||||
|
|
||||||
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## Build
|
||||||
|
|
||||||
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Requirements: Free Pascal Compiler 3.2 or newer and `make`.
|
||||||
|
|
||||||
|
```sh
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||||||
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make
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||||||
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make test
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||||||
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```
|
||||||
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|
||||||
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## Run
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||||||
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|
||||||
|
```sh
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||||||
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./build/hello_device
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||||||
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./build/compute_demo
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||||||
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```
|
||||||
|
|
||||||
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## Architecture
|
||||||
|
|
||||||
|
Applications use the public runtime API. The included CPU backend is intentionally simple and readable. Future community backends may target Metal, Vulkan Compute, or DirectCompute without changing application code.
|
||||||
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|
||||||
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## Project status
|
||||||
|
|
||||||
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Experimental. The API may change before version 1.0.
|
||||||
|
|
||||||
|
## Trademark
|
||||||
|
|
||||||
|
The license covers source code, not the AGX or Agila names, logos, or branding. See `TRADEMARKS.md`.
|
||||||
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|||||||
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# Public Release Checklist
|
||||||
|
|
||||||
|
- [ ] Start from this clean directory, not the private repository history.
|
||||||
|
- [ ] Confirm no private units or internal notes are present.
|
||||||
|
- [ ] Run a secret scanner against files and Git history.
|
||||||
|
- [ ] Run `make test`.
|
||||||
|
- [ ] Confirm the copyright owner and license choice.
|
||||||
|
- [ ] Add only public screenshots, logos, and assets.
|
||||||
|
- [ ] Tag the release, for example `v0.1.0-alpha`.
|
||||||
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|
|||||||
|
# Security Policy
|
||||||
|
|
||||||
|
Do not report suspected secrets or private AGX source in a public issue. Contact the repository owner privately and rotate any exposed credential immediately.
|
||||||
|
|
||||||
|
Before every release, scan the complete Git history as well as the working tree. Deleting a file in a later commit does not remove it from earlier commits.
|
||||||
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|
|||||||
|
# Trademarks
|
||||||
|
|
||||||
|
The AGX and Agila names, logos, and visual identity are not granted under the source-code license. Forks should clearly state that they are unofficial unless written permission is provided by the trademark owner.
|
||||||
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|
|||||||
|
# Public Architecture
|
||||||
|
|
||||||
|
AGX Open contains only four public concepts:
|
||||||
|
|
||||||
|
1. **Device** — selects a supported execution backend.
|
||||||
|
2. **Buffer** — stores input or output data.
|
||||||
|
3. **Kernel** — describes a user-supplied computation.
|
||||||
|
4. **Dispatch** — runs a kernel over a requested number of elements.
|
||||||
|
|
||||||
|
The bundled reference backend executes kernels on the CPU. It exists for education, testing, and API experimentation. It does not reproduce the private AGX engine.
|
||||||
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|
|||||||
|
# Open and Closed Boundary
|
||||||
|
|
||||||
|
## Included in AGX Open
|
||||||
|
|
||||||
|
- Public data types and runtime interfaces
|
||||||
|
- CPU reference implementation
|
||||||
|
- Examples, templates, tests, and documentation
|
||||||
|
- Extension points for future public backends
|
||||||
|
|
||||||
|
## Not included
|
||||||
|
|
||||||
|
- AGX policy and decision engine
|
||||||
|
- Hardware profiling rules
|
||||||
|
- Internal workload scheduler
|
||||||
|
- Proprietary rendering backend
|
||||||
|
- Mesh reconstruction, enhancement, optimization, validation, and LOD algorithms
|
||||||
|
- Private cache algorithms
|
||||||
|
- API interception or translation implementation
|
||||||
|
- Internal bridges and commercial integration code
|
||||||
|
- Private roadmaps and engineering notes
|
||||||
|
|
||||||
|
Do not copy files from the private engine into this repository. New contributions must be independently written for the public SDK.
|
||||||
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|
|||||||
|
program AgxComputeDemo;
|
||||||
|
|
||||||
|
{$mode ObjFPC}{$H+}
|
||||||
|
|
||||||
|
uses
|
||||||
|
SysUtils, AgxOpenTypes, AgxOpenRuntime;
|
||||||
|
|
||||||
|
const
|
||||||
|
N = 8;
|
||||||
|
|
||||||
|
type
|
||||||
|
TFloatArray = array[0..N - 1] of Single;
|
||||||
|
|
||||||
|
procedure VectorAdd(const Inputs, Outputs: array of TAgxBuffer;
|
||||||
|
const ElementCount: NativeUInt);
|
||||||
|
var
|
||||||
|
A, B, C: TFloatArray;
|
||||||
|
I: NativeUInt;
|
||||||
|
begin
|
||||||
|
Inputs[0].Download(@A[0], ElementCount * SizeOf(Single));
|
||||||
|
Inputs[1].Download(@B[0], ElementCount * SizeOf(Single));
|
||||||
|
for I := 0 to ElementCount - 1 do
|
||||||
|
C[I] := A[I] + B[I];
|
||||||
|
Outputs[0].Upload(@C[0], ElementCount * SizeOf(Single));
|
||||||
|
end;
|
||||||
|
|
||||||
|
var
|
||||||
|
Device: TAgxDevice;
|
||||||
|
ABuffer, BBuffer, CBuffer: TAgxBuffer;
|
||||||
|
Kernel: TAgxKernel;
|
||||||
|
A, B, C: TFloatArray;
|
||||||
|
I: Integer;
|
||||||
|
begin
|
||||||
|
for I := 0 to N - 1 do
|
||||||
|
begin
|
||||||
|
A[I] := I;
|
||||||
|
B[I] := I * 10;
|
||||||
|
end;
|
||||||
|
|
||||||
|
Device := TAgxDevice.Create;
|
||||||
|
ABuffer := nil; BBuffer := nil; CBuffer := nil; Kernel := nil;
|
||||||
|
try
|
||||||
|
Device.CreateBuffer(SizeOf(A), agxBufferStorage, ABuffer);
|
||||||
|
Device.CreateBuffer(SizeOf(B), agxBufferStorage, BBuffer);
|
||||||
|
Device.CreateBuffer(SizeOf(C), agxBufferStorage, CBuffer);
|
||||||
|
ABuffer.Upload(@A[0], SizeOf(A));
|
||||||
|
BBuffer.Upload(@B[0], SizeOf(B));
|
||||||
|
Device.CreateCPUKernel('vector_add', @VectorAdd, Kernel);
|
||||||
|
Kernel.Dispatch([ABuffer, BBuffer], [CBuffer], N);
|
||||||
|
CBuffer.Download(@C[0], SizeOf(C));
|
||||||
|
|
||||||
|
for I := 0 to N - 1 do
|
||||||
|
WriteLn(Format('%0.0f + %0.0f = %0.0f', [A[I], B[I], C[I]]));
|
||||||
|
finally
|
||||||
|
Kernel.Free;
|
||||||
|
CBuffer.Free;
|
||||||
|
BBuffer.Free;
|
||||||
|
ABuffer.Free;
|
||||||
|
Device.Free;
|
||||||
|
end;
|
||||||
|
end.
|
||||||
@@ -0,0 +1,19 @@
|
|||||||
|
program HelloAgxDevice;
|
||||||
|
|
||||||
|
{$mode ObjFPC}{$H+}
|
||||||
|
|
||||||
|
uses
|
||||||
|
AgxOpenTypes, AgxOpenRuntime;
|
||||||
|
|
||||||
|
var
|
||||||
|
Device: TAgxDevice;
|
||||||
|
begin
|
||||||
|
Device := TAgxDevice.Create;
|
||||||
|
try
|
||||||
|
WriteLn('Device: ', Device.Info.Name);
|
||||||
|
WriteLn('Backend: ', AgxBackendName(Device.Info.Backend));
|
||||||
|
WriteLn('Compute: ', Device.Info.SupportsCompute);
|
||||||
|
finally
|
||||||
|
Device.Free;
|
||||||
|
end;
|
||||||
|
end.
|
||||||
@@ -0,0 +1,145 @@
|
|||||||
|
unit AgxOpenRuntime;
|
||||||
|
|
||||||
|
{$mode ObjFPC}{$H+}
|
||||||
|
|
||||||
|
interface
|
||||||
|
|
||||||
|
uses
|
||||||
|
Classes, SysUtils, AgxOpenTypes;
|
||||||
|
|
||||||
|
type
|
||||||
|
TAgxDevice = class;
|
||||||
|
|
||||||
|
TAgxBuffer = class
|
||||||
|
private
|
||||||
|
FData: TBytes;
|
||||||
|
FUsage: TAgxBufferUsage;
|
||||||
|
public
|
||||||
|
constructor Create(const ASize: NativeUInt; const AUsage: TAgxBufferUsage);
|
||||||
|
function Upload(const Source: Pointer; const Size: NativeUInt; const Offset: NativeUInt = 0): TAgxResult;
|
||||||
|
function Download(Destination: Pointer; const Size: NativeUInt; const Offset: NativeUInt = 0): TAgxResult;
|
||||||
|
function Size: NativeUInt;
|
||||||
|
property Usage: TAgxBufferUsage read FUsage;
|
||||||
|
end;
|
||||||
|
|
||||||
|
TAgxKernelProc = procedure(const InputBuffers, OutputBuffers: array of TAgxBuffer;
|
||||||
|
const ElementCount: NativeUInt);
|
||||||
|
|
||||||
|
TAgxKernel = class
|
||||||
|
private
|
||||||
|
FName: string;
|
||||||
|
FProc: TAgxKernelProc;
|
||||||
|
public
|
||||||
|
constructor Create(const AName: string; const AProc: TAgxKernelProc);
|
||||||
|
function Dispatch(const Inputs, Outputs: array of TAgxBuffer;
|
||||||
|
const ElementCount: NativeUInt): TAgxResult;
|
||||||
|
property Name: string read FName;
|
||||||
|
end;
|
||||||
|
|
||||||
|
TAgxDevice = class
|
||||||
|
private
|
||||||
|
FInfo: TAgxDeviceInfo;
|
||||||
|
public
|
||||||
|
constructor Create(const RequestedBackend: TAgxBackend = agxBackendAuto);
|
||||||
|
function CreateBuffer(const Size: NativeUInt; const Usage: TAgxBufferUsage;
|
||||||
|
out Buffer: TAgxBuffer): TAgxResult;
|
||||||
|
function CreateCPUKernel(const Name: string; const KernelProc: TAgxKernelProc;
|
||||||
|
out Kernel: TAgxKernel): TAgxResult;
|
||||||
|
property Info: TAgxDeviceInfo read FInfo;
|
||||||
|
end;
|
||||||
|
|
||||||
|
function AgxBackendName(const Backend: TAgxBackend): string;
|
||||||
|
|
||||||
|
implementation
|
||||||
|
|
||||||
|
constructor TAgxBuffer.Create(const ASize: NativeUInt; const AUsage: TAgxBufferUsage);
|
||||||
|
begin
|
||||||
|
inherited Create;
|
||||||
|
SetLength(FData, ASize);
|
||||||
|
FUsage := AUsage;
|
||||||
|
end;
|
||||||
|
|
||||||
|
function TAgxBuffer.Upload(const Source: Pointer; const Size, Offset: NativeUInt): TAgxResult;
|
||||||
|
begin
|
||||||
|
if (Source = nil) or (Offset + Size > NativeUInt(Length(FData))) then
|
||||||
|
Exit(agxErrorInvalidArgument);
|
||||||
|
Move(Source^, FData[Offset], Size);
|
||||||
|
Result := agxSuccess;
|
||||||
|
end;
|
||||||
|
|
||||||
|
function TAgxBuffer.Download(Destination: Pointer; const Size, Offset: NativeUInt): TAgxResult;
|
||||||
|
begin
|
||||||
|
if (Destination = nil) or (Offset + Size > NativeUInt(Length(FData))) then
|
||||||
|
Exit(agxErrorInvalidArgument);
|
||||||
|
Move(FData[Offset], Destination^, Size);
|
||||||
|
Result := agxSuccess;
|
||||||
|
end;
|
||||||
|
|
||||||
|
function TAgxBuffer.Size: NativeUInt;
|
||||||
|
begin
|
||||||
|
Result := Length(FData);
|
||||||
|
end;
|
||||||
|
|
||||||
|
constructor TAgxKernel.Create(const AName: string; const AProc: TAgxKernelProc);
|
||||||
|
begin
|
||||||
|
inherited Create;
|
||||||
|
FName := AName;
|
||||||
|
FProc := AProc;
|
||||||
|
end;
|
||||||
|
|
||||||
|
function TAgxKernel.Dispatch(const Inputs, Outputs: array of TAgxBuffer;
|
||||||
|
const ElementCount: NativeUInt): TAgxResult;
|
||||||
|
begin
|
||||||
|
if not Assigned(FProc) then
|
||||||
|
Exit(agxErrorInvalidArgument);
|
||||||
|
FProc(Inputs, Outputs, ElementCount);
|
||||||
|
Result := agxSuccess;
|
||||||
|
end;
|
||||||
|
|
||||||
|
constructor TAgxDevice.Create(const RequestedBackend: TAgxBackend);
|
||||||
|
begin
|
||||||
|
inherited Create;
|
||||||
|
FInfo.Name := 'AGX Open CPU Reference Device';
|
||||||
|
FInfo.Backend := agxBackendCPU;
|
||||||
|
FInfo.SupportsCompute := True;
|
||||||
|
FInfo.MaxWorkgroupSize := 1;
|
||||||
|
end;
|
||||||
|
|
||||||
|
function TAgxDevice.CreateBuffer(const Size: NativeUInt; const Usage: TAgxBufferUsage;
|
||||||
|
out Buffer: TAgxBuffer): TAgxResult;
|
||||||
|
begin
|
||||||
|
Buffer := nil;
|
||||||
|
if Size = 0 then
|
||||||
|
Exit(agxErrorInvalidArgument);
|
||||||
|
try
|
||||||
|
Buffer := TAgxBuffer.Create(Size, Usage);
|
||||||
|
Result := agxSuccess;
|
||||||
|
except
|
||||||
|
Result := agxErrorOutOfMemory;
|
||||||
|
end;
|
||||||
|
end;
|
||||||
|
|
||||||
|
function TAgxDevice.CreateCPUKernel(const Name: string; const KernelProc: TAgxKernelProc;
|
||||||
|
out Kernel: TAgxKernel): TAgxResult;
|
||||||
|
begin
|
||||||
|
Kernel := nil;
|
||||||
|
if (Name = '') or not Assigned(KernelProc) then
|
||||||
|
Exit(agxErrorInvalidArgument);
|
||||||
|
Kernel := TAgxKernel.Create(Name, KernelProc);
|
||||||
|
Result := agxSuccess;
|
||||||
|
end;
|
||||||
|
|
||||||
|
function AgxBackendName(const Backend: TAgxBackend): string;
|
||||||
|
begin
|
||||||
|
case Backend of
|
||||||
|
agxBackendAuto: Result := 'Auto';
|
||||||
|
agxBackendCPU: Result := 'CPU';
|
||||||
|
agxBackendMetal: Result := 'Metal';
|
||||||
|
agxBackendVulkan: Result := 'Vulkan';
|
||||||
|
agxBackendDirectCompute: Result := 'DirectCompute';
|
||||||
|
else
|
||||||
|
Result := 'Unknown';
|
||||||
|
end;
|
||||||
|
end;
|
||||||
|
|
||||||
|
end.
|
||||||
@@ -0,0 +1,41 @@
|
|||||||
|
unit AgxOpenTypes;
|
||||||
|
|
||||||
|
{$mode ObjFPC}{$H+}
|
||||||
|
|
||||||
|
interface
|
||||||
|
|
||||||
|
type
|
||||||
|
TAgxResult = (
|
||||||
|
agxSuccess,
|
||||||
|
agxErrorInvalidArgument,
|
||||||
|
agxErrorNotInitialized,
|
||||||
|
agxErrorUnsupported,
|
||||||
|
agxErrorOutOfMemory,
|
||||||
|
agxErrorBackend
|
||||||
|
);
|
||||||
|
|
||||||
|
TAgxBackend = (
|
||||||
|
agxBackendAuto,
|
||||||
|
agxBackendCPU,
|
||||||
|
agxBackendMetal,
|
||||||
|
agxBackendVulkan,
|
||||||
|
agxBackendDirectCompute
|
||||||
|
);
|
||||||
|
|
||||||
|
TAgxBufferUsage = (
|
||||||
|
agxBufferStorage,
|
||||||
|
agxBufferVertex,
|
||||||
|
agxBufferIndex,
|
||||||
|
agxBufferUniform
|
||||||
|
);
|
||||||
|
|
||||||
|
TAgxDeviceInfo = record
|
||||||
|
Name: string;
|
||||||
|
Backend: TAgxBackend;
|
||||||
|
SupportsCompute: Boolean;
|
||||||
|
MaxWorkgroupSize: LongWord;
|
||||||
|
end;
|
||||||
|
|
||||||
|
implementation
|
||||||
|
|
||||||
|
end.
|
||||||
@@ -0,0 +1,17 @@
|
|||||||
|
program MyAgxProject;
|
||||||
|
|
||||||
|
{$mode ObjFPC}{$H+}
|
||||||
|
|
||||||
|
uses
|
||||||
|
AgxOpenRuntime;
|
||||||
|
|
||||||
|
var
|
||||||
|
Device: TAgxDevice;
|
||||||
|
begin
|
||||||
|
Device := TAgxDevice.Create;
|
||||||
|
try
|
||||||
|
WriteLn('AGX Open project is ready on ', Device.Info.Name);
|
||||||
|
finally
|
||||||
|
Device.Free;
|
||||||
|
end;
|
||||||
|
end.
|
||||||
@@ -0,0 +1,4 @@
|
|||||||
|
#!/bin/sh
|
||||||
|
set -eu
|
||||||
|
make clean
|
||||||
|
make test
|
||||||
Reference in new issue
Block a user