1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
package com.mbien.opencl.gl;
import com.mbien.opencl.CL;
import com.mbien.opencl.CLContext;
import com.mbien.opencl.CLGLI;
import com.mbien.opencl.CLImageFormat;
import com.mbien.opencl.CLMemory.GLObjectType;
import com.mbien.opencl.impl.CLImageFormatImpl;
import java.nio.Buffer;
import static com.mbien.opencl.CL.*;
/**
* 2D OpenCL image representing an 2D OpenGL texture.
* @author Michael Bien
*/
public class CLGLTexture2d<B extends Buffer> extends CLGLImage2d<B> implements CLGLTexture {
public final int target;
public final int mipMapLevel;
public CLGLTexture2d(CLContext context, B directBuffer, CLImageFormat format, CLImageInfoAccessor accessor, int target, int mipLevel, int width, int height, long id, int glid) {
super(context, directBuffer, format, accessor, width, height, id, glid);
this.target = target;
this.mipMapLevel = mipLevel;
}
static <B extends Buffer> CLGLTexture2d<B> createFromGLTexture2d(CLContext context, B directBuffer, int target, int texture, int mipLevel, int flags) {
CLGLBuffer.checkBuffer(directBuffer, flags);
CL cl = getCL(context);
int[] result = new int[1];
CLGLI clgli = (CLGLI)cl;
long id = clgli.clCreateFromGLTexture2D(context.ID, flags, target, mipLevel, texture, result, 0);
CLImageInfoAccessor accessor = new CLImageInfoAccessor(cl, id);
CLImageFormat format = createUninitializedImageFormat();
accessor.getInfo(CL_IMAGE_FORMAT, CLImageFormatImpl.size(), format.getFormatImpl().getBuffer(), null);
int width = (int)accessor.getLong(CL_IMAGE_WIDTH);
int height = (int)accessor.getLong(CL_IMAGE_HEIGHT);
return new CLGLTexture2d<B>(context, directBuffer, format, accessor, target, mipLevel, width, height, id, width);
}
public int getTextureTarget() {
return target;
}
public int getMipMapLevel() {
return mipMapLevel;
}
@Override
public GLObjectType getGLObjectType() {
return GLObjectType.GL_OBJECT_TEXTURE2D;
}
}
|
