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listing and choosing devices

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This commit is contained in:
shamanDevel 2016-04-19 07:24:53 +02:00
parent bb15931fa2
commit 53ebaba1e2
1 changed files with 44 additions and 5 deletions
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49
jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglContext.java
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@ -35,6 +35,7 @@ package com.jme3.system.lwjgl;
import com.jme3.input.lwjgl.JInputJoyInput;
import com.jme3.input.lwjgl.LwjglKeyInput;
import com.jme3.input.lwjgl.LwjglMouseInput;
import com.jme3.opencl.Context;
import com.jme3.opencl.lwjgl.LwjglCL;
import com.jme3.renderer.Renderer;
import com.jme3.renderer.RendererException;
@ -63,9 +64,7 @@ import java.util.logging.Level;
import java.util.logging.Logger;
import org.lwjgl.LWJGLException;
import org.lwjgl.Sys;
import org.lwjgl.opencl.CL;
import org.lwjgl.opencl.CL10;
import org.lwjgl.opencl.CLPlatform;
import org.lwjgl.opencl.*;
import org.lwjgl.opengl.*;
/**
@ -90,7 +89,7 @@ public abstract class LwjglContext implements JmeContext {
protected LwjglCL clImpl;
protected CLPlatform clPlatform;
protected com.jme3.opencl.Context context;
protected com.jme3.opencl.Context clContext;
public void setSystemListener(SystemListener listener) {
this.listener = listener;
@ -268,6 +267,7 @@ public abstract class LwjglContext implements JmeContext {
return;
}
//load platforms
List<CLPlatform> platforms = CLPlatform.getPlatforms();
StringBuilder platformInfos = new StringBuilder();
platformInfos.append("Available OpenCL platforms:\n");
@ -282,6 +282,7 @@ public abstract class LwjglContext implements JmeContext {
boolean supportsInterop = platform.getInfoString(CL10.CL_PLATFORM_EXTENSIONS).contains("cl_khr_gl_sharing");
platformInfos.append(" * Supports Interop: ").append(supportsInterop).append("\n");
if (supportsInterop) {
possiblePlatforms.add(i);
}
}
@ -291,9 +292,47 @@ public abstract class LwjglContext implements JmeContext {
return;
}
int platformIndex = possiblePlatforms.get(0);
//TODO: add API to choose the platform
logger.info("Choose platform with index "+(platformIndex+1));
clPlatform = platforms.get(platformIndex);
//load devices
List<CLDevice> devices = clPlatform.getDevices(CL10.CL_DEVICE_TYPE_GPU);
StringBuilder deviceInfos = new StringBuilder();
deviceInfos.append("Available OpenCL devices:\n");
ArrayList<CLDevice> possibleDevices = new ArrayList<CLDevice>();
for (int i=0; i<devices.size(); ++i) {
CLDevice device = devices.get(i);
deviceInfos.append(" * Device ").append(i+1).append("\n");
deviceInfos.append(" * Name: ").append(device.getInfoString(CL10.CL_DEVICE_NAME)).append("\n");
deviceInfos.append(" * Vendor: ").append(device.getInfoString(CL10.CL_DEVICE_VENDOR)).append("\n");
deviceInfos.append(" * Version: ").append(device.getInfoString(CL10.CL_DEVICE_VERSION)).append("\n");
deviceInfos.append(" * Profile: ").append(device.getInfoString(CL10.CL_DEVICE_PROFILE)).append("\n");
deviceInfos.append(" * Global memory: ").append(device.getInfoLong(CL10.CL_DEVICE_GLOBAL_MEM_SIZE)).append("\n");
deviceInfos.append(" * Compute units: ").append(device.getInfoInt(CL10.CL_DEVICE_MAX_COMPUTE_UNITS)).append("\n");
deviceInfos.append(" * Work group size: ").append(device.getInfoSize(CL10.CL_DEVICE_MAX_WORK_GROUP_SIZE)).append("\n");
boolean supportsInterop = device.getInfoString(CL10.CL_DEVICE_EXTENSIONS).contains("cl_khr_gl_sharing");
platformInfos.append(" * Supports Interop: ").append(supportsInterop).append("\n");
if (supportsInterop) {
possibleDevices.add(device);
}
}
//create context
CLContext context;
try {
context = CLContext.create(clPlatform, possibleDevices, null, Display.getDrawable(), null);
} catch (LWJGLException ex) {
logger.log(Level.SEVERE, "Unable to create OpenCL context", ex);
return;
}
clContext = new Context(context.getPointer());
//create cl implementation
clImpl = new LwjglCL();
clContext.setCl(clImpl);
logger.info("OpenCL context created");
}
public void internalDestroy() {
@ -362,6 +401,6 @@ public abstract class LwjglContext implements JmeContext {
@Override
public com.jme3.opencl.Context getOpenCLContext() {
return context;
return clContext;
}
}