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-rw-r--r--src/jogl/classes/jogamp/opengl/GLStateTracker.java113
1 files changed, 69 insertions, 44 deletions
diff --git a/src/jogl/classes/jogamp/opengl/GLStateTracker.java b/src/jogl/classes/jogamp/opengl/GLStateTracker.java
index d85fb1347..4084887da 100644
--- a/src/jogl/classes/jogamp/opengl/GLStateTracker.java
+++ b/src/jogl/classes/jogamp/opengl/GLStateTracker.java
@@ -57,15 +57,57 @@ public class GLStateTracker {
/** Minimum value of MAX_CLIENT_ATTRIB_STACK_DEPTH */
public static final int MIN_CLIENT_ATTRIB_STACK_DEPTH = 16;
- /** static size of pixel state map
- private static final int PIXEL_STATE_MAP_SIZE = 16;
- */
- /** avoid rehash of static size pixel state map */
- private static final int PIXEL_STATE_MAP_CAPACITY = 32;
+ /**
+ * PixelStorei states
+ */
+ public static class PixelStateMap {
+ /** static size of pixel state map
+ private static final int PIXEL_STATE_MAP_SIZE = 16;
+ */
+ /** avoid rehash of static size pixel state map */
+ private static final int PIXEL_STATE_MAP_CAPACITY = 32;
+
+ private final IntIntHashMap states;
+
+ public PixelStateMap() {
+ states = new IntIntHashMap(PIXEL_STATE_MAP_CAPACITY, 0.75f);
+ states.setKeyNotFoundValue(0xFFFFFFFF);
+ }
+
+ /** Copy constructor */
+ public PixelStateMap(final PixelStateMap src) {
+ this.states = (IntIntHashMap) src.states.clone();
+ }
+
+ /** Set this instance's state using OpenGL default values. */
+ public final void clearStates() {
+ states.clear();
+
+ // 16 values -> PIXEL_STATE_MAP_SIZE
+ states.put(GL.GL_PACK_ALIGNMENT, 4);
+ states.put(GL2GL3.GL_PACK_SWAP_BYTES, GL.GL_FALSE);
+ states.put(GL2GL3.GL_PACK_LSB_FIRST, GL.GL_FALSE);
+ states.put(GL2ES3.GL_PACK_ROW_LENGTH, 0);
+ states.put(GL2ES3.GL_PACK_SKIP_ROWS, 0);
+ states.put(GL2ES3.GL_PACK_SKIP_PIXELS, 0);
+ states.put(GL2GL3.GL_PACK_IMAGE_HEIGHT, 0);
+ states.put(GL2GL3.GL_PACK_SKIP_IMAGES, 0);
+
+ states.put(GL.GL_UNPACK_ALIGNMENT, 4);
+ states.put(GL2GL3.GL_UNPACK_SWAP_BYTES, GL.GL_FALSE);
+ states.put(GL2GL3.GL_UNPACK_LSB_FIRST, GL.GL_FALSE);
+ states.put(GL2ES2.GL_UNPACK_ROW_LENGTH, 0);
+ states.put(GL2ES2.GL_UNPACK_SKIP_ROWS, 0);
+ states.put(GL2ES2.GL_UNPACK_SKIP_PIXELS, 0);
+ states.put(GL2ES3.GL_UNPACK_IMAGE_HEIGHT, 0);
+ states.put(GL2ES3.GL_UNPACK_SKIP_IMAGES, 0);
+ }
+ }
+
private volatile boolean enabled = true;
- private IntIntHashMap pixelStateMap;
+ private PixelStateMap pixelStateMap;
private final ArrayList<SavedState> stack;
static class SavedState {
@@ -73,32 +115,27 @@ public class GLStateTracker {
/**
* Empty pixel-store state
*/
- private IntIntHashMap pixelStateMap;
+ private PixelStateMap pixelStateMap;
/**
* set (client) pixel-store state, deep copy
*/
- final void setPixelStateMap(final IntIntHashMap pixelStateMap) {
- this.pixelStateMap = (IntIntHashMap) pixelStateMap.clone();
+ final void setPixelStateMap(final PixelStateMap pixelStateMap) {
+ this.pixelStateMap = new PixelStateMap(pixelStateMap);
}
/**
* get (client) pixel-store state, return reference
*/
- final IntIntHashMap getPixelStateMap() { return pixelStateMap; }
+ final PixelStateMap getPixelStateMap() { return pixelStateMap; }
}
public GLStateTracker() {
- pixelStateMap = new IntIntHashMap(PIXEL_STATE_MAP_CAPACITY, 0.75f);
- pixelStateMap.setKeyNotFoundValue(0xFFFFFFFF);
- resetStates();
+ pixelStateMap = new PixelStateMap();
stack = new ArrayList<SavedState>(MIN_CLIENT_ATTRIB_STACK_DEPTH);
- }
-
- public final void clearStates() {
- pixelStateMap.clear();
+ clearStates();
}
public final void setEnabled(final boolean on) {
@@ -109,11 +146,13 @@ public class GLStateTracker {
return enabled;
}
+ /** Return the local {@link PixelStateMap} */
+ public final PixelStateMap getPixelStateMap() { return this.pixelStateMap; }
/** @return true if found in our map, otherwise false,
* which forces the caller to query GL. */
public final boolean getInt(final int pname, final int[] params, final int params_offset) {
if(enabled) {
- final int value = pixelStateMap.get(pname);
+ final int value = pixelStateMap.states.get(pname);
if(0xFFFFFFFF != value) {
params[params_offset] = value;
return true;
@@ -126,7 +165,7 @@ public class GLStateTracker {
* which forces the caller to query GL. */
public final boolean getInt(final int pname, final IntBuffer params, final int dummy) {
if(enabled) {
- final int value = pixelStateMap.get(pname);
+ final int value = pixelStateMap.states.get(pname);
if(0xFFFFFFFF != value) {
params.put(params.position(), value);
return true;
@@ -137,10 +176,14 @@ public class GLStateTracker {
public final void setInt(final int pname, final int param) {
if(enabled) {
- pixelStateMap.put(pname, param);
+ pixelStateMap.states.put(pname, param);
}
}
+ /**
+ * GL_CLIENT_PIXEL_STORE_BIT
+ * @param flags
+ */
public final void pushAttrib(final int flags) {
if(enabled) {
final SavedState state = new SavedState(); // empty-slot
@@ -162,36 +205,18 @@ public class GLStateTracker {
if(null==state) {
throw new GLException("null stack element (remaining stack size "+stack.size()+")");
}
- final IntIntHashMap statePixelStateMap = state.getPixelStateMap();
+ final PixelStateMap savedPixelStateMap = state.getPixelStateMap();
- if ( null != statePixelStateMap ) {
+ if ( null != savedPixelStateMap ) {
// use pulled client pixel-store state from stack
- pixelStateMap = statePixelStateMap;
+ pixelStateMap = savedPixelStateMap;
} // else: empty-slot, not pushed by GL_CLIENT_PIXEL_STORE_BIT
}
}
- private final void resetStates() {
- pixelStateMap.clear();
-
- // 16 values -> PIXEL_STATE_MAP_SIZE
- pixelStateMap.put(GL.GL_PACK_ALIGNMENT, 4);
- pixelStateMap.put(GL2GL3.GL_PACK_SWAP_BYTES, GL.GL_FALSE);
- pixelStateMap.put(GL2GL3.GL_PACK_LSB_FIRST, GL.GL_FALSE);
- pixelStateMap.put(GL2ES3.GL_PACK_ROW_LENGTH, 0);
- pixelStateMap.put(GL2ES3.GL_PACK_SKIP_ROWS, 0);
- pixelStateMap.put(GL2ES3.GL_PACK_SKIP_PIXELS, 0);
- pixelStateMap.put(GL2GL3.GL_PACK_IMAGE_HEIGHT, 0);
- pixelStateMap.put(GL2GL3.GL_PACK_SKIP_IMAGES, 0);
-
- pixelStateMap.put(GL.GL_UNPACK_ALIGNMENT, 4);
- pixelStateMap.put(GL2GL3.GL_UNPACK_SWAP_BYTES, GL.GL_FALSE);
- pixelStateMap.put(GL2GL3.GL_UNPACK_LSB_FIRST, GL.GL_FALSE);
- pixelStateMap.put(GL2ES2.GL_UNPACK_ROW_LENGTH, 0);
- pixelStateMap.put(GL2ES2.GL_UNPACK_SKIP_ROWS, 0);
- pixelStateMap.put(GL2ES2.GL_UNPACK_SKIP_PIXELS, 0);
- pixelStateMap.put(GL2ES3.GL_UNPACK_IMAGE_HEIGHT, 0);
- pixelStateMap.put(GL2ES3.GL_UNPACK_SKIP_IMAGES, 0);
+ public final void clearStates() {
+ stack.clear();
+ pixelStateMap.clearStates();
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 11:43:35 +0000