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-rw-r--r--src/jogl/classes/com/jogamp/opengl/util/PMVMatrix.java93
-rw-r--r--src/jogl/classes/com/jogamp/opengl/util/ProjectFloat.java151
2 files changed, 192 insertions, 52 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/util/PMVMatrix.java b/src/jogl/classes/com/jogamp/opengl/util/PMVMatrix.java
index 1db3f132f..929eb3d28 100644
--- a/src/jogl/classes/com/jogamp/opengl/util/PMVMatrix.java
+++ b/src/jogl/classes/com/jogamp/opengl/util/PMVMatrix.java
@@ -72,6 +72,8 @@ public class PMVMatrix implements GLMatrixFunc {
* this flag shall be set to <code>true</code> or <code>false</code></p>.
*/
public PMVMatrix(boolean useBackingArray) {
+ this.usesBackingArray = useBackingArray;
+
// I Identity
// T Texture
// P Projection
@@ -131,6 +133,8 @@ public class PMVMatrix implements GLMatrixFunc {
update();
}
+ public final boolean usesBackingArray() { return usesBackingArray; }
+
public void destroy() {
if(null!=projectFloat) {
projectFloat.destroy(); projectFloat=null;
@@ -321,14 +325,6 @@ public class PMVMatrix implements GLMatrixFunc {
}
}
- public final void gluPerspective(final float fovy, final float aspect, final float zNear, final float zFar) {
- float top=(float)Math.tan(fovy*((float)Math.PI)/360.0f)*zNear;
- float bottom=-1.0f*top;
- float left=aspect*bottom;
- float right=aspect*top;
- glFrustumf(left, right, bottom, top, zNear, zFar);
- }
-
//
// MatrixIf
//
@@ -573,6 +569,14 @@ public class PMVMatrix implements GLMatrixFunc {
glMultMatrixf(matrixOrtho, 0);
}
+ public final void gluPerspective(final float fovy, final float aspect, final float zNear, final float zFar) {
+ float top=(float)Math.tan(fovy*((float)Math.PI)/360.0f)*zNear;
+ float bottom=-1.0f*top;
+ float left=aspect*bottom;
+ float right=aspect*top;
+ glFrustumf(left, right, bottom, top, zNear, zFar);
+ }
+
public final void glFrustumf(final float left, final float right, final float bottom, final float top, final float zNear, final float zFar) {
if(zNear<=0.0f||zFar<0.0f) {
throw new GLException("GL_INVALID_VALUE: zNear and zFar must be positive, and zNear>0");
@@ -607,6 +611,78 @@ public class PMVMatrix implements GLMatrixFunc {
glMultMatrixf(matrixFrustum, 0);
}
+ public void gluLookAt(float eyex, float eyey, float eyez,
+ float centerx, float centery, float centerz,
+ float upx, float upy, float upz) {
+ projectFloat.gluLookAt(this, eyex, eyey, eyez, centerx, centery, centerz, upx, upy, upz);
+ }
+
+ /**
+ * Uses this instance {@link #glGetMvMatrixf()} and {@link #glGetPMatrixf()}
+ *
+ * @param objx
+ * @param objy
+ * @param objz
+ * @param viewport
+ * @param viewport_offset
+ * @param win_pos
+ * @param win_pos_offset
+ * @return
+ */
+ public boolean gluProject(float objx, float objy, float objz,
+ int[] viewport, int viewport_offset,
+ float[] win_pos, int win_pos_offset ) {
+ if(usesBackingArray) {
+ return projectFloat.gluProject(objx, objy, objz,
+ matrixMv.array(), 0,
+ matrixP.array(), 0,
+ viewport, viewport_offset,
+ win_pos, win_pos_offset);
+ } else {
+ return projectFloat.gluProject(objx, objy, objz,
+ matrixMv,
+ matrixP,
+ viewport, viewport_offset,
+ win_pos, win_pos_offset);
+ }
+ }
+
+ /**
+ * Uses this instance {@link #glGetMvMatrixf()} and {@link #glGetPMatrixf()}
+ *
+ * @param winx
+ * @param winy
+ * @param winz
+ * @param viewport
+ * @param viewport_offset
+ * @param obj_pos
+ * @param obj_pos_offset
+ * @return
+ */
+ public boolean gluUnProject(float winx, float winy, float winz,
+ int[] viewport, int viewport_offset,
+ float[] obj_pos, int obj_pos_offset) {
+ if(usesBackingArray) {
+ return projectFloat.gluUnProject(winx, winy, winz,
+ matrixMv.array(), 0,
+ matrixP.array(), 0,
+ viewport, viewport_offset,
+ obj_pos, obj_pos_offset);
+ } else {
+ return projectFloat.gluUnProject(winx, winy, winz,
+ matrixMv,
+ matrixP,
+ viewport, viewport_offset,
+ obj_pos, obj_pos_offset);
+ }
+ }
+
+ public void gluPickMatrix(float x, float y,
+ float deltaX, float deltaY,
+ int[] viewport, int viewport_offset) {
+ projectFloat.gluPickMatrix(this, x, y, deltaX, deltaY, viewport, viewport_offset);
+ }
+
//
// private
//
@@ -659,6 +735,7 @@ public class PMVMatrix implements GLMatrixFunc {
}
}
+ protected final boolean usesBackingArray;
protected Buffer matrixBuffer;
protected FloatBuffer matrixIdent, matrixPMvMvit, matrixPMvMvi, matrixPMv, matrixP, matrixTex, matrixMv, matrixMvi, matrixMvit;
protected float[] matrixMult, matrixTrans, matrixRot, matrixScale, matrixOrtho, matrixFrustum, vec3f;
diff --git a/src/jogl/classes/com/jogamp/opengl/util/ProjectFloat.java b/src/jogl/classes/com/jogamp/opengl/util/ProjectFloat.java
index aa1258c34..97915502d 100644
--- a/src/jogl/classes/com/jogamp/opengl/util/ProjectFloat.java
+++ b/src/jogl/classes/com/jogamp/opengl/util/ProjectFloat.java
@@ -703,15 +703,9 @@ public class ProjectFloat {
* @param upz
*/
public void gluLookAt(GLMatrixFunc gl,
- float eyex,
- float eyey,
- float eyez,
- float centerx,
- float centery,
- float centerz,
- float upx,
- float upy,
- float upz) {
+ float eyex, float eyey, float eyez,
+ float centerx, float centery, float centerz,
+ float upx, float upy, float upz) {
FloatBuffer forward = this.forwardBuf;
FloatBuffer side = this.sideBuf;
FloatBuffer up = this.upBuf;
@@ -763,17 +757,11 @@ public class ProjectFloat {
*
* @return
*/
- public boolean gluProject(float objx,
- float objy,
- float objz,
- float[] modelMatrix,
- int modelMatrix_offset,
- float[] projMatrix,
- int projMatrix_offset,
- int[] viewport,
- int viewport_offset,
- float[] win_pos,
- int win_pos_offset ) {
+ public boolean gluProject(float objx, float objy, float objz,
+ float[] modelMatrix, int modelMatrix_offset,
+ float[] projMatrix, int projMatrix_offset,
+ int[] viewport, int viewport_offset,
+ float[] win_pos, int win_pos_offset ) {
float[] in = this.in;
float[] out = this.out;
@@ -786,8 +774,9 @@ public class ProjectFloat {
multMatrixVecf(modelMatrix, modelMatrix_offset, in, 0, out);
multMatrixVecf(projMatrix, projMatrix_offset, out, 0, in);
- if (in[3] == 0.0f)
+ if (in[3] == 0.0f) {
return false;
+ }
in[3] = (1.0f / in[3]) * 0.5f;
@@ -804,6 +793,42 @@ public class ProjectFloat {
return true;
}
+ public boolean gluProject(float objx, float objy, float objz,
+ FloatBuffer modelMatrix,
+ FloatBuffer projMatrix,
+ int[] viewport, int viewport_offset,
+ float[] win_pos, int win_pos_offset ) {
+
+ FloatBuffer in = this.inBuf;
+ FloatBuffer out = this.outBuf;
+
+ in.put(0, objx);
+ in.put(1, objy);
+ in.put(2, objz);
+ in.put(3, 1.0f);
+
+ multMatrixVecf(modelMatrix, in, out);
+ multMatrixVecf(projMatrix, out, in);
+
+ if (in.get(3) == 0.0f) {
+ return false;
+ }
+
+ in.put(3, (1.0f / in.get(3)) * 0.5f);
+
+ // Map x, y and z to range 0-1
+ in.put(0, in.get(0) * in.get(3) + 0.5f);
+ in.put(1, in.get(1) * in.get(3) + 0.5f);
+ in.put(2, in.get(2) * in.get(3) + 0.5f);
+
+ // Map x,y to viewport
+ win_pos[0+win_pos_offset] = in.get(0) * viewport[2+viewport_offset] + viewport[0+viewport_offset];
+ win_pos[1+win_pos_offset] = in.get(1) * viewport[3+viewport_offset] + viewport[1+viewport_offset];
+ win_pos[2+win_pos_offset] = in.get(2);
+
+ return true;
+ }
+
/**
* Method gluProject
*
@@ -817,9 +842,7 @@ public class ProjectFloat {
*
* @return
*/
- public boolean gluProject(float objx,
- float objy,
- float objz,
+ public boolean gluProject(float objx, float objy, float objz,
FloatBuffer modelMatrix,
FloatBuffer projMatrix,
IntBuffer viewport,
@@ -836,8 +859,9 @@ public class ProjectFloat {
multMatrixVecf(modelMatrix, in, out);
multMatrixVecf(projMatrix, out, in);
- if (in.get(3) == 0.0f)
+ if (in.get(3) == 0.0f) {
return false;
+ }
in.put(3, (1.0f / in.get(3)) * 0.5f);
@@ -870,24 +894,19 @@ public class ProjectFloat {
*
* @return
*/
- public boolean gluUnProject(float winx,
- float winy,
- float winz,
- float[] modelMatrix,
- int modelMatrix_offset,
- float[] projMatrix,
- int projMatrix_offset,
- int[] viewport,
- int viewport_offset,
- float[] obj_pos,
- int obj_pos_offset) {
+ public boolean gluUnProject(float winx, float winy, float winz,
+ float[] modelMatrix, int modelMatrix_offset,
+ float[] projMatrix, int projMatrix_offset,
+ int[] viewport, int viewport_offset,
+ float[] obj_pos, int obj_pos_offset) {
float[] in = this.in;
float[] out = this.out;
multMatrixf(modelMatrix, modelMatrix_offset, projMatrix, projMatrix_offset, matrix, 0);
- if (!gluInvertMatrixf(matrix, 0, matrix, 0))
+ if (!gluInvertMatrixf(matrix, 0, matrix, 0)) {
return false;
+ }
in[0] = winx;
in[1] = winy;
@@ -905,8 +924,9 @@ public class ProjectFloat {
multMatrixVecf(matrix, in, out);
- if (out[3] == 0.0)
+ if (out[3] == 0.0) {
return false;
+ }
out[3] = 1.0f / out[3];
@@ -918,6 +938,49 @@ public class ProjectFloat {
}
+ public boolean gluUnProject(float winx, float winy, float winz,
+ FloatBuffer modelMatrix,
+ FloatBuffer projMatrix,
+ int[] viewport, int viewport_offset,
+ float[] obj_pos, int obj_pos_offset) {
+ FloatBuffer in = this.inBuf;
+ FloatBuffer out = this.outBuf;
+
+ multMatrixf(modelMatrix, projMatrix, matrixBuf);
+
+ if (!gluInvertMatrixf(matrixBuf, matrixBuf)) {
+ return false;
+ }
+
+ in.put(0, winx);
+ in.put(1, winy);
+ in.put(2, winz);
+ in.put(3, 1.0f);
+
+ // Map x and y from window coordinates
+ in.put(0, (in.get(0) - viewport[0+viewport_offset]) / viewport[2+viewport_offset]);
+ in.put(1, (in.get(1) - viewport[1+viewport_offset]) / viewport[3+viewport_offset]);
+
+ // Map to range -1 to 1
+ in.put(0, in.get(0) * 2 - 1);
+ in.put(1, in.get(1) * 2 - 1);
+ in.put(2, in.get(2) * 2 - 1);
+
+ multMatrixVecf(matrixBuf, in, out);
+
+ if (out.get(3) == 0.0f) {
+ return false;
+ }
+
+ out.put(3, 1.0f / out.get(3));
+
+ obj_pos[0+obj_pos_offset] = out.get(0) * out.get(3);
+ obj_pos[1+obj_pos_offset] = out.get(1) * out.get(3);
+ obj_pos[2+obj_pos_offset] = out.get(2) * out.get(3);
+
+ return true;
+ }
+
/**
* Method gluUnproject
*
@@ -931,10 +994,8 @@ public class ProjectFloat {
*
* @return
*/
- public boolean gluUnProject(float winx,
- float winy,
- float winz,
- FloatBuffer modelMatrix,
+ public boolean gluUnProject(float winx, float winy, float winz,
+ FloatBuffer modelMatrix,
FloatBuffer projMatrix,
IntBuffer viewport,
FloatBuffer obj_pos) {
@@ -943,8 +1004,9 @@ public class ProjectFloat {
multMatrixf(modelMatrix, projMatrix, matrixBuf);
- if (!gluInvertMatrixf(matrixBuf, matrixBuf))
+ if (!gluInvertMatrixf(matrixBuf, matrixBuf)) {
return false;
+ }
in.put(0, winx);
in.put(1, winy);
@@ -964,8 +1026,9 @@ public class ProjectFloat {
multMatrixVecf(matrixBuf, in, out);
- if (out.get(3) == 0.0f)
+ if (out.get(3) == 0.0f) {
return false;
+ }
out.put(3, 1.0f / out.get(3));
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 01:12:13 +0000