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authorMichael Bien <[email protected]>2010-04-12 22:18:39 +0200
committerMichael Bien <[email protected]>2010-04-12 22:18:39 +0200
commitbf07b44ed6a8958dd321cc4c08fd2bdd08299611 (patch)
treee24b7c4e4197a80e0ecaad75b9b3667299fd8323 /src/com/jogamp/opencl/CLSampler.java
parent7680472b21ec1e2deacb49addae65c820a2e2a4d (diff)
renamed package com.mbien.* in com.jogamp.* JOCL is now officially a JogAmp team player ;).
Diffstat (limited to 'src/com/jogamp/opencl/CLSampler.java')
-rw-r--r--src/com/jogamp/opencl/CLSampler.java123
1 files changed, 123 insertions, 0 deletions
diff --git a/src/com/jogamp/opencl/CLSampler.java b/src/com/jogamp/opencl/CLSampler.java
new file mode 100644
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+++ b/src/com/jogamp/opencl/CLSampler.java
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+package com.jogamp.opencl;
+
+import com.jogamp.common.nio.Int64Buffer;
+
+import java.nio.Buffer;
+
+import static com.jogamp.opencl.CLException.*;
+import static com.jogamp.opencl.CL.*;
+import static com.jogamp.opencl.util.CLUtil.*;
+
+/**
+ * Object representing an OpenCL sampler.
+ * @see CLContext#createSampler(com.jogamp.opencl.CLSampler.AddressingMode, com.jogamp.opencl.CLSampler.FilteringMode, boolean)
+ * @author Michael Bien
+ */
+public class CLSampler extends CLObject implements CLResource {
+
+ private final CLSamplerInfoAccessor samplerInfo;
+
+ private CLSampler(CLContext context, long id, AddressingMode addrMode, FilteringMode filtMode, boolean normalizedCoords) {
+ super(context, id);
+ this.samplerInfo = new CLSamplerInfoAccessor();
+ }
+
+ static CLSampler create(CLContext context, AddressingMode addrMode, FilteringMode filtMode, boolean normalizedCoords) {
+ int[] error = new int[1];
+
+ long id = context.cl.clCreateSampler(context.ID, clBoolean(normalizedCoords), addrMode.MODE, filtMode.MODE, error, 0);
+
+ checkForError(error[0], "can not create sampler");
+ return new CLSampler(context, id, addrMode, filtMode, normalizedCoords);
+ }
+
+ public FilteringMode getFilteringMode() {
+ int info = (int)samplerInfo.getLong(CL_SAMPLER_FILTER_MODE);
+ return FilteringMode.valueOf(info);
+ }
+
+ public AddressingMode getAddressingMode() {
+ int info = (int)samplerInfo.getLong(CL_SAMPLER_ADDRESSING_MODE);
+ return AddressingMode.valueOf(info);
+ }
+
+ public boolean hasNormalizedCoords() {
+ return samplerInfo.getLong(CL_SAMPLER_NORMALIZED_COORDS) == CL_TRUE;
+ }
+
+ public void release() {
+ int ret = cl.clReleaseSampler(ID);
+ context.onSamplerReleased(this);
+ checkForError(ret, "can not release sampler");
+ }
+
+ public void close() {
+ release();
+ }
+
+ private class CLSamplerInfoAccessor extends CLInfoAccessor {
+
+ @Override
+ protected int getInfo(int name, long valueSize, Buffer value, Int64Buffer valueSizeRet) {
+ return cl.clGetSamplerInfo(ID, name, valueSize, value, valueSizeRet);
+ }
+
+ }
+
+ public enum FilteringMode {
+
+ NEAREST(CL_FILTER_NEAREST),
+ LINEAR(CL_FILTER_LINEAR);
+
+ /**
+ * Value of wrapped OpenCL sampler filtering mode type.
+ */
+ public final int MODE;
+
+ private FilteringMode(int mode) {
+ this.MODE = mode;
+ }
+
+ public static FilteringMode valueOf(int mode) {
+ switch(mode) {
+ case(CL_FILTER_NEAREST):
+ return NEAREST;
+ case(CL_FILTER_LINEAR):
+ return LINEAR;
+ }
+ return null;
+ }
+ }
+
+ public enum AddressingMode {
+
+ REPEAT(CL_ADDRESS_REPEAT),
+ CLAMP_TO_EDGE(CL_ADDRESS_CLAMP_TO_EDGE),
+ CLAMP(CL_ADDRESS_CLAMP),
+ NONE(CL_ADDRESS_NONE);
+
+ /**
+ * Value of wrapped OpenCL sampler addressing mode type.
+ */
+ public final int MODE;
+
+ private AddressingMode(int mode) {
+ this.MODE = mode;
+ }
+
+ public static AddressingMode valueOf(int mode) {
+ switch(mode) {
+ case(CL_ADDRESS_REPEAT):
+ return REPEAT;
+ case(CL_ADDRESS_CLAMP_TO_EDGE):
+ return CLAMP_TO_EDGE;
+ case(CL_ADDRESS_CLAMP):
+ return CLAMP;
+ case(CL_ADDRESS_NONE):
+ return NONE;
+ }
+ return null;
+ }
+ }
+
+}