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Diffstat (limited to 'make/glu-CustomJavaCode-gl2.java')
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diff --git a/make/glu-CustomJavaCode-gl2.java b/make/glu-CustomJavaCode-gl2.java new file mode 100644 index 000000000..8087d45c9 --- /dev/null +++ b/make/glu-CustomJavaCode-gl2.java @@ -0,0 +1,1401 @@ +private static boolean useJavaMipmapCode = true; + +static { + AccessController.doPrivileged(new PrivilegedAction() { + public Object run() { + String val = System.getProperty("jogl.glu.nojava"); + if (val != null && !val.toLowerCase().equals("false")) { + useJavaMipmapCode = false; + } + return null; + } + }); +} + +/** + * Instantiates a new OpenGL Utility Library object. A GLU object may + * be instantiated at any point in the application and is not + * inherently tied to any particular OpenGL context; however, the GLU + * object may only be used when an OpenGL context is current on the + * current thread. Attempts to call most of the methods in the GLU + * library when no OpenGL context is current will cause an exception + * to be thrown. + * + * <P> + * + * The returned GLU object is not guaranteed to be thread-safe and + * should only be used from one thread at a time. Multiple GLU objects + * may be instantiated to be used from different threads + * simultaneously. + */ + +public GLUgl2() +{ + this.project = new ProjectDouble(); +} + +//---------------------------------------------------------------------- +// Utility routines +// + +public static final GL2 getCurrentGL2() throws GLException { + GLContext curContext = GLContext.getCurrent(); + if (curContext == null) { + throw new GLException("No OpenGL context current on this thread"); + } + return curContext.getGL().getGL2(); +} + +public final String gluErrorString(int errorCode) { + return Error.gluErrorString(errorCode); +} + +/* extName is an extension name. + * extString is a string of extensions separated by blank(s). There may or + * may not be leading or trailing blank(s) in extString. + * This works in cases of extensions being prefixes of another like + * GL_EXT_texture and GL_EXT_texture3D. + * Returns true if extName is found otherwise it returns false. + */ +public final boolean gluCheckExtension(java.lang.String extName, java.lang.String extString) { + return Registry.gluCheckExtension(extName, extString); +} + +public final String gluGetString(int name) { + return Registry.gluGetString(name); +} + +/** + * Returns true if the specified GLU core- or extension-function can be + * successfully used through this GLU instance. By "successfully" we mean + * that the function is both <i>callable</i> on the machine running the + * program and <i>available</i> on the current display.<P> + * + * A GLU function is <i>callable</i> if it is a GLU core- or extension-function + * that is supported by the underlying GLU implementation. The function is + * <i>available</i> if the OpenGL implementation on the display meets the + * requirements of the GLU function being called (because GLU functions utilize + * OpenGL functions). <P> + * + * Whether or not a GLU function is <i>callable</i> is determined as follows: + * <ul> + * <li>If the function is a GLU core function (i.e., not an + * extension), <code>gluGetString(GLU_VERSION)</code> is used to determine the + * version number of the underlying GLU implementation on the host. + * then the function name is cross-referenced with that specification to + * see if it is part of that version's specification. + * + * <li> If the function is a GLU extension, the function name is + * cross-referenced with the list returned by + * <code>gluGetString(GLU_EXTENSIONS)</code> to see if the function is one of + * the extensions that is supported by the underlying GLU implementation. + * </ul> + * + * Whether or not a GLU function is <i>available</i> is determined as follows: + * <ul> + * <li>If the function is a GLU core function then the function is first + * cross-referenced with the GLU specifications to find the minimum GLU + * version required to <i>call</i> that GLU function. Then the following table + * is consulted to determine the minimum GL version required for that version + * of GLU: + * <ul> + * <li> GLU 1.0 requires OpenGL 1.0 + * <li> GLU 1.1 requires OpenGL 1.0 + * <li> GLU 1.2 requires OpenGL 1.1 + * <li> GLU 1.3 requires OpenGL 1.2 + * </ul> + * Finally, <code>glGetString(GL_VERSION)</code> is used to determine the + * highest OpenGL version that both host and display support, and from that it + * is possible to determine if the GL facilities required by the GLU function + * are <i>available</i> on the display. + * + * <li> If the function is a GLU extension, the function name is + * cross-referenced with the list returned by + * <code>gluGetString(GLU_EXTENSIONS)</code> to see if the function is one of + * the extensions that is supported by the underlying GLU implementation. + * </ul> + * + * <b>NOTE:</b>The availability of a function may change at runtime in + * response to changes in the display environment. For example, when a window + * is dragged from one display to another on a multi-display system, or when + * the properties of the display device are modified (e.g., changing the color + * depth of the display). Any application that is concerned with handling + * these situations correctly should confirm availability after a display + * change before calling a questionable OpenGL function. To detect a change in + * the display device, please see {@link + * GLEventListener#displayChanged(GLAutoDrawable,boolean,boolean)}. + * + * @param gluFunctionName the name of the OpenGL function (e.g., use + * "gluNurbsCallbackDataEXT" to check if the <code> + * gluNurbsCallbackDataEXT(GLUnurbs, GLvoid)</code> extension is available). + */ +public final boolean isFunctionAvailable(String gluFunctionName) +{ + if (useJavaMipmapCode) { + // All GLU functions are available in Java port + return true; + } + return (gluProcAddressTable.getAddressFor(gluFunctionName) != 0); +} + +//---------------------------------------------------------------------- +// Tessellation routines +// + +/***************************************************************************** + * <b>gluNewTess</b> creates and returns a new tessellation object. This + * object must be referred to when calling tesselation methods. A return + * value of null means that there was not enough memeory to allocate the + * object. + * + * @return A new tessellation object. + * + * @see #gluTessBeginPolygon gluTessBeginPolygon + * @see #gluDeleteTess gluDeleteTess + * @see #gluTessCallback gluTessCallback + ****************************************************************************/ +public final GLUtessellator gluNewTess() { + return GLUtessellatorImpl.gluNewTess(); +} + +/***************************************************************************** + * <b>gluDeleteTess</b> destroys the indicated tessellation object (which was + * created with {@link #gluNewTess gluNewTess}). + * + * @param tessellator + * Specifies the tessellation object to destroy. + * + * @see #gluBeginPolygon gluBeginPolygon + * @see #gluNewTess gluNewTess + * @see #gluTessCallback gluTessCallback + ****************************************************************************/ +public final void gluDeleteTess(GLUtessellator tessellator) { + GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; + tess.gluDeleteTess(); +} + +/***************************************************************************** + * <b>gluTessProperty</b> is used to control properites stored in a + * tessellation object. These properties affect the way that the polygons are + * interpreted and rendered. The legal value for <i>which</i> are as + * follows:<P> + * + * <b>GLU_TESS_WINDING_RULE</b> + * <UL> + * Determines which parts of the polygon are on the "interior". + * <em>value</em> may be set to one of + * <BR><b>GLU_TESS_WINDING_ODD</b>, + * <BR><b>GLU_TESS_WINDING_NONZERO</b>, + * <BR><b>GLU_TESS_WINDING_POSITIVE</b>, or + * <BR><b>GLU_TESS_WINDING_NEGATIVE</b>, or + * <BR><b>GLU_TESS_WINDING_ABS_GEQ_TWO</b>.<P> + * + * To understand how the winding rule works, consider that the input + * contours partition the plane into regions. The winding rule determines + * which of these regions are inside the polygon.<P> + * + * For a single contour C, the winding number of a point x is simply the + * signed number of revolutions we make around x as we travel once around C + * (where CCW is positive). When there are several contours, the individual + * winding numbers are summed. This procedure associates a signed integer + * value with each point x in the plane. Note that the winding number is + * the same for all points in a single region.<P> + * + * The winding rule classifies a region as "inside" if its winding number + * belongs to the chosen category (odd, nonzero, positive, negative, or + * absolute value of at least two). The previous GLU tessellator (prior to + * GLU 1.2) used the "odd" rule. The "nonzero" rule is another common way + * to define the interior. The other three rules are useful for polygon CSG + * operations. + * </UL> + * <BR><b>GLU_TESS_BOUNDARY_ONLY</b> + * <UL> + * Is a boolean value ("value" should be set to GL_TRUE or GL_FALSE). When + * set to GL_TRUE, a set of closed contours separating the polygon interior + * and exterior are returned instead of a tessellation. Exterior contours + * are oriented CCW with respect to the normal; interior contours are + * oriented CW. The <b>GLU_TESS_BEGIN</b> and <b>GLU_TESS_BEGIN_DATA</b> + * callbacks use the type GL_LINE_LOOP for each contour. + * </UL> + * <BR><b>GLU_TESS_TOLERANCE</b> + * <UL> + * Specifies a tolerance for merging features to reduce the size of the + * output. For example, two vertices that are very close to each other + * might be replaced by a single vertex. The tolerance is multiplied by the + * largest coordinate magnitude of any input vertex; this specifies the + * maximum distance that any feature can move as the result of a single + * merge operation. If a single feature takes part in several merge + * operations, the toal distance moved could be larger.<P> + * + * Feature merging is completely optional; the tolerance is only a hint. + * The implementation is free to merge in some cases and not in others, or + * to never merge features at all. The initial tolerance is 0.<P> + * + * The current implementation merges vertices only if they are exactly + * coincident, regardless of the current tolerance. A vertex is spliced + * into an edge only if the implementation is unable to distinguish which + * side of the edge the vertex lies on. Two edges are merged only when both + * endpoints are identical. + * </UL> + * + * @param tessellator + * Specifies the tessellation object created with + * {@link #gluNewTess gluNewTess} + * @param which + * Specifies the property to be set. Valid values are + * <b>GLU_TESS_WINDING_RULE</b>, <b>GLU_TESS_BOUNDARDY_ONLY</b>, + * <b>GLU_TESS_TOLERANCE</b>. + * @param value + * Specifices the value of the indicated property. + * + * @see #gluGetTessProperty gluGetTessProperty + * @see #gluNewTess gluNewTess + ****************************************************************************/ +public final void gluTessProperty(GLUtessellator tessellator, int which, double value) { + GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; + tess.gluTessProperty(which, value); +} + +/***************************************************************************** + * <b>gluGetTessProperty</b> retrieves properties stored in a tessellation + * object. These properties affect the way that tessellation objects are + * interpreted and rendered. See the + * {@link #gluTessProperty gluTessProperty} reference + * page for information about the properties and what they do. + * + * @param tessellator + * Specifies the tessellation object (created with + * {@link #gluNewTess gluNewTess}). + * @param which + * Specifies the property whose value is to be fetched. Valid values + * are <b>GLU_TESS_WINDING_RULE</b>, <b>GLU_TESS_BOUNDARY_ONLY</b>, + * and <b>GLU_TESS_TOLERANCES</b>. + * @param value + * Specifices an array into which the value of the named property is + * written. + * + * @see #gluNewTess gluNewTess + * @see #gluTessProperty gluTessProperty + ****************************************************************************/ +public final void gluGetTessProperty(GLUtessellator tessellator, int which, double[] value, int value_offset) { + GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; + tess.gluGetTessProperty(which, value, value_offset); +} + +/***************************************************************************** + * <b>gluTessNormal</b> describes a normal for a polygon that the program is + * defining. All input data will be projected onto a plane perpendicular to + * the one of the three coordinate axes before tessellation and all output + * triangles will be oriented CCW with repsect to the normal (CW orientation + * can be obtained by reversing the sign of the supplied normal). For + * example, if you know that all polygons lie in the x-y plane, call + * <b>gluTessNormal</b>(tess, 0.0, 0.0, 0.0) before rendering any polygons.<P> + * + * If the supplied normal is (0.0, 0.0, 0.0)(the initial value), the normal + * is determined as follows. The direction of the normal, up to its sign, is + * found by fitting a plane to the vertices, without regard to how the + * vertices are connected. It is expected that the input data lies + * approximately in the plane; otherwise, projection perpendicular to one of + * the three coordinate axes may substantially change the geometry. The sign + * of the normal is chosen so that the sum of the signed areas of all input + * contours is nonnegative (where a CCW contour has positive area).<P> + * + * The supplied normal persists until it is changed by another call to + * <b>gluTessNormal</b>. + * + * @param tessellator + * Specifies the tessellation object (created by + * {@link #gluNewTess gluNewTess}). + * @param x + * Specifies the first component of the normal. + * @param y + * Specifies the second component of the normal. + * @param z + * Specifies the third component of the normal. + * + * @see #gluTessBeginPolygon gluTessBeginPolygon + * @see #gluTessEndPolygon gluTessEndPolygon + ****************************************************************************/ +public final void gluTessNormal(GLUtessellator tessellator, double x, double y, double z) { + GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; + tess.gluTessNormal(x, y, z); +} + +/***************************************************************************** + * <b>gluTessCallback</b> is used to indicate a callback to be used by a + * tessellation object. If the specified callback is already defined, then it + * is replaced. If <i>aCallback</i> is null, then the existing callback + * becomes undefined.<P> + * + * These callbacks are used by the tessellation object to describe how a + * polygon specified by the user is broken into triangles. Note that there are + * two versions of each callback: one with user-specified polygon data and one + * without. If both versions of a particular callback are specified, then the + * callback with user-specified polygon data will be used. Note that the + * polygonData parameter used by some of the methods is a copy of the + * reference that was specified when + * {@link #gluTessBeginPolygon gluTessBeginPolygon} + * was called. The legal callbacks are as follows:<P> + * + * <b>GLU_TESS_BEGIN</b> + * <UL> + * The begin callback is invoked like {@link javax.media.opengl.GL#glBegin + * glBegin} to indicate the start of a (triangle) primitive. The method + * takes a single argument of type int. If the + * <b>GLU_TESS_BOUNDARY_ONLY</b> property is set to <b>GL_FALSE</b>, then + * the argument is set to either <b>GL_TRIANGLE_FAN</b>, + * <b>GL_TRIANGLE_STRIP</b>, or <b>GL_TRIANGLES</b>. If the + * <b>GLU_TESS_BOUNDARY_ONLY</b> property is set to <b>GL_TRUE</b>, then the + * argument will be set to <b>GL_LINE_LOOP</b>. The method prototype for + * this callback is: + * </UL> + * + * <PRE> + * void begin(int type);</PRE><P> + * + * <b>GLU_TESS_BEGIN_DATA</b> + * <UL> + * The same as the <b>GLU_TESS_BEGIN</b> callback except + * that it takes an additional reference argument. This reference is + * identical to the opaque reference provided when + * {@link #gluTessBeginPolygon gluTessBeginPolygon} + * was called. The method prototype for this callback is: + * </UL> + * + * <PRE> + * void beginData(int type, Object polygonData);</PRE> + * + * <b>GLU_TESS_EDGE_FLAG</b> + * <UL> + * The edge flag callback is similar to + * {@link javax.media.opengl.GL#glEdgeFlag glEdgeFlag}. The method takes + * a single boolean boundaryEdge that indicates which edges lie on the + * polygon boundary. If the boundaryEdge is <b>GL_TRUE</b>, then each vertex + * that follows begins an edge that lies on the polygon boundary, that is, + * an edge that separates an interior region from an exterior one. If the + * boundaryEdge is <b>GL_FALSE</b>, then each vertex that follows begins an + * edge that lies in the polygon interior. The edge flag callback (if + * defined) is invoked before the first vertex callback.<P> + * + * Since triangle fans and triangle strips do not support edge flags, the + * begin callback is not called with <b>GL_TRIANGLE_FAN</b> or + * <b>GL_TRIANGLE_STRIP</b> if a non-null edge flag callback is provided. + * (If the callback is initialized to null, there is no impact on + * performance). Instead, the fans and strips are converted to independent + * triangles. The method prototype for this callback is: + * </UL> + * + * <PRE> + * void edgeFlag(boolean boundaryEdge);</PRE> + * + * <b>GLU_TESS_EDGE_FLAG_DATA</b> + * <UL> + * The same as the <b>GLU_TESS_EDGE_FLAG</b> callback except that it takes + * an additional reference argument. This reference is identical to the + * opaque reference provided when + * {@link #gluTessBeginPolygon gluTessBeginPolygon} + * was called. The method prototype for this callback is: + * </UL> + * + * <PRE> + * void edgeFlagData(boolean boundaryEdge, Object polygonData);</PRE> + * + * <b>GLU_TESS_VERTEX</b> + * <UL> + * The vertex callback is invoked between the begin and end callbacks. It is + * similar to {@link javax.media.opengl.GL#glVertex3f glVertex3f}, and it + * defines the vertices of the triangles created by the tessellation + * process. The method takes a reference as its only argument. This + * reference is identical to the opaque reference provided by the user when + * the vertex was described (see + * {@link #gluTessVertex gluTessVertex}). The method + * prototype for this callback is: + * </UL> + * + * <PRE> + * void vertex(Object vertexData);</PRE> + * + * <b>GLU_TESS_VERTEX_DATA</b> + * <UL> + * The same as the <b>GLU_TESS_VERTEX</b> callback except that it takes an + * additional reference argument. This reference is identical to the opaque + * reference provided when + * {@link #gluTessBeginPolygon gluTessBeginPolygon} + * was called. The method prototype for this callback is: + * </UL> + * + * <PRE> + * void vertexData(Object vertexData, Object polygonData);</PRE> + * + * <b>GLU_TESS_END</b> + * <UL> + * The end callback serves the same purpose as + * {@link javax.media.opengl.GL#glEnd glEnd}. It indicates the end of a + * primitive and it takes no arguments. The method prototype for this + * callback is: + * </UL> + * + * <PRE> + * void end();</PRE> + * + * <b>GLU_TESS_END_DATA</b> + * <UL> + * The same as the <b>GLU_TESS_END</b> callback except that it takes an + * additional reference argument. This reference is identical to the opaque + * reference provided when + * {@link #gluTessBeginPolygon gluTessBeginPolygon} + * was called. The method prototype for this callback is: + * </UL> + * + * <PRE> + * void endData(Object polygonData);</PRE> + * + * <b>GLU_TESS_COMBINE</b> + * <UL> + * The combine callback is called to create a new vertex when the + * tessellation detects an intersection, or wishes to merge features. The + * method takes four arguments: an array of three elements each of type + * double, an array of four references, an array of four elements each of + * type float, and a reference to a reference. The prototype is: + * </UL> + * + * <PRE> + * void combine(double[] coords, Object[] data, + * float[] weight, Object[] outData);</PRE> + * + * <UL> + * The vertex is defined as a linear combination of up to four existing + * vertices, stored in <i>data</i>. The coefficients of the linear + * combination are given by <i>weight</i>; these weights always add up to 1. + * All vertex pointers are valid even when some of the weights are 0. + * <i>coords</i> gives the location of the new vertex.<P> + * + * The user must allocate another vertex, interpolate parameters using + * <i>data</i> and <i>weight</i>, and return the new vertex pointer + * in <i>outData</i>. This handle is supplied during rendering callbacks. + * The user is responsible for freeing the memory some time after + * {@link #gluTessEndPolygon gluTessEndPolygon} is + * called.<P> + * + * For example, if the polygon lies in an arbitrary plane in 3-space, and a + * color is associated with each vertex, the <b>GLU_TESS_COMBINE</b> + * callback might look like this: + * </UL> + * <PRE> + * void myCombine(double[] coords, Object[] data, + * float[] weight, Object[] outData) + * { + * MyVertex newVertex = new MyVertex(); + * + * newVertex.x = coords[0]; + * newVertex.y = coords[1]; + * newVertex.z = coords[2]; + * newVertex.r = weight[0]*data[0].r + + * weight[1]*data[1].r + + * weight[2]*data[2].r + + * weight[3]*data[3].r; + * newVertex.g = weight[0]*data[0].g + + * weight[1]*data[1].g + + * weight[2]*data[2].g + + * weight[3]*data[3].g; + * newVertex.b = weight[0]*data[0].b + + * weight[1]*data[1].b + + * weight[2]*data[2].b + + * weight[3]*data[3].b; + * newVertex.a = weight[0]*data[0].a + + * weight[1]*data[1].a + + * weight[2]*data[2].a + + * weight[3]*data[3].a; + * outData = newVertex; + * }</PRE> + * + * <UL> + * If the tessellation detects an intersection, then the + * <b>GLU_TESS_COMBINE</b> or <b>GLU_TESS_COMBINE_DATA</b> callback (see + * below) must be defined, and it must write a non-null reference into + * <i>outData</i>. Otherwise the <b>GLU_TESS_NEED_COMBINE_CALLBACK</b> error + * occurs, and no output is generated. + * </UL> + * + * <b>GLU_TESS_COMBINE_DATA</b> + * <UL> + * The same as the <b>GLU_TESS_COMBINE</b> callback except that it takes an + * additional reference argument. This reference is identical to the opaque + * reference provided when + * {@link #gluTessBeginPolygon gluTessBeginPolygon} + * was called. The method prototype for this callback is: + * </UL> + * + * <PRE> + * void combineData(double[] coords, Object[] data, + float[] weight, Object[] outData, + Object polygonData);</PRE> + * + * <b>GLU_TESS_ERROR</b> + * <UL> + * The error callback is called when an error is encountered. The one + * argument is of type int; it indicates the specific error that occurred + * and will be set to one of <b>GLU_TESS_MISSING_BEGIN_POLYGON</b>, + * <b>GLU_TESS_MISSING_END_POLYGON</b>, + * <b>GLU_TESS_MISSING_BEGIN_CONTOUR</b>, + * <b>GLU_TESS_MISSING_END_CONTOUR</b>, <b>GLU_TESS_COORD_TOO_LARGE</b>, + * <b>GLU_TESS_NEED_COMBINE_CALLBACK</b> or <b>GLU_OUT_OF_MEMORY</b>. + * Character strings describing these errors can be retrieved with the + * {@link #gluErrorString gluErrorString} call. The + * method prototype for this callback is: + * </UL> + * + * <PRE> + * void error(int errnum);</PRE> + * + * <UL> + * The GLU library will recover from the first four errors by inserting the + * missing call(s). <b>GLU_TESS_COORD_TOO_LARGE</b> indicates that some + * vertex coordinate exceeded the predefined constant + * <b>GLU_TESS_MAX_COORD</b> in absolute value, and that the value has been + * clamped. (Coordinate values must be small enough so that two can be + * multiplied together without overflow.) + * <b>GLU_TESS_NEED_COMBINE_CALLBACK</b> indicates that the tessellation + * detected an intersection between two edges in the input data, and the + * <b>GLU_TESS_COMBINE</b> or <b>GLU_TESS_COMBINE_DATA</b> callback was not + * provided. No output is generated. <b>GLU_OUT_OF_MEMORY</b> indicates that + * there is not enough memory so no output is generated. + * </UL> + * + * <b>GLU_TESS_ERROR_DATA</b> + * <UL> + * The same as the GLU_TESS_ERROR callback except that it takes an + * additional reference argument. This reference is identical to the opaque + * reference provided when + * {@link #gluTessBeginPolygon gluTessBeginPolygon} + * was called. The method prototype for this callback is: + * </UL> + * + * <PRE> + * void errorData(int errnum, Object polygonData);</PRE> + * + * @param tessellator + * Specifies the tessellation object (created with + * {@link #gluNewTess gluNewTess}). + * @param which + * Specifies the callback being defined. The following values are + * valid: <b>GLU_TESS_BEGIN</b>, <b>GLU_TESS_BEGIN_DATA</b>, + * <b>GLU_TESS_EDGE_FLAG</b>, <b>GLU_TESS_EDGE_FLAG_DATA</b>, + * <b>GLU_TESS_VERTEX</b>, <b>GLU_TESS_VERTEX_DATA</b>, + * <b>GLU_TESS_END</b>, <b>GLU_TESS_END_DATA</b>, + * <b>GLU_TESS_COMBINE</b>, <b>GLU_TESS_COMBINE_DATA</b>, + * <b>GLU_TESS_ERROR</b>, and <b>GLU_TESS_ERROR_DATA</b>. + * @param aCallback + * Specifies the callback object to be called. + * + * @see javax.media.opengl.GL#glBegin glBegin + * @see javax.media.opengl.GL#glEdgeFlag glEdgeFlag + * @see javax.media.opengl.GL#glVertex3f glVertex3f + * @see #gluNewTess gluNewTess + * @see #gluErrorString gluErrorString + * @see #gluTessVertex gluTessVertex + * @see #gluTessBeginPolygon gluTessBeginPolygon + * @see #gluTessBeginContour gluTessBeginContour + * @see #gluTessProperty gluTessProperty + * @see #gluTessNormal gluTessNormal + ****************************************************************************/ +public final void gluTessCallback(GLUtessellator tessellator, int which, GLUtessellatorCallback aCallback) { + GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; + tess.gluTessCallback(which, aCallback); +} + +/***************************************************************************** + * <b>gluTessVertex</b> describes a vertex on a polygon that the program + * defines. Successive <b>gluTessVertex</b> calls describe a closed contour. + * For example, to describe a quadrilateral <b>gluTessVertex</b> should be + * called four times. <b>gluTessVertex</b> can only be called between + * {@link #gluTessBeginContour gluTessBeginContour} and + * {@link #gluTessBeginContour gluTessEndContour}.<P> + * + * <b>data</b> normally references to a structure containing the vertex + * location, as well as other per-vertex attributes such as color and normal. + * This reference is passed back to the user through the + * <b>GLU_TESS_VERTEX</b> or <b>GLU_TESS_VERTEX_DATA</b> callback after + * tessellation (see the {@link #gluTessCallback + * gluTessCallback} reference page). + * + * @param tessellator + * Specifies the tessellation object (created with + * {@link #gluNewTess gluNewTess}). + * @param coords + * Specifies the coordinates of the vertex. + * @param data + * Specifies an opaque reference passed back to the program with the + * vertex callback (as specified by + * {@link #gluTessCallback gluTessCallback}). + * + * @see #gluTessBeginPolygon gluTessBeginPolygon + * @see #gluNewTess gluNewTess + * @see #gluTessBeginContour gluTessBeginContour + * @see #gluTessCallback gluTessCallback + * @see #gluTessProperty gluTessProperty + * @see #gluTessNormal gluTessNormal + * @see #gluTessEndPolygon gluTessEndPolygon + ****************************************************************************/ +public final void gluTessVertex(GLUtessellator tessellator, double[] coords, int coords_offset, Object data) { + GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; + tess.gluTessVertex(coords, coords_offset, data); +} + +/***************************************************************************** + * <b>gluTessBeginPolygon</b> and + * {@link #gluTessEndPolygon gluTessEndPolygon} delimit + * the definition of a convex, concave or self-intersecting polygon. Within + * each <b>gluTessBeginPolygon</b>/ + * {@link #gluTessEndPolygon gluTessEndPolygon} pair, + * there must be one or more calls to + * {@link #gluTessBeginContour gluTessBeginContour}/ + * {@link #gluTessEndContour gluTessEndContour}. Within + * each contour, there are zero or more calls to + * {@link #gluTessVertex gluTessVertex}. The vertices + * specify a closed contour (the last vertex of each contour is automatically + * linked to the first). See the {@link #gluTessVertex + * gluTessVertex}, {@link #gluTessBeginContour + * gluTessBeginContour}, and {@link #gluTessEndContour + * gluTessEndContour} reference pages for more details.<P> + * + * <b>data</b> is a reference to a user-defined data structure. If the + * appropriate callback(s) are specified (see + * {@link #gluTessCallback gluTessCallback}), then this + * reference is returned to the callback method(s). Thus, it is a convenient + * way to store per-polygon information.<P> + * + * Once {@link #gluTessEndPolygon gluTessEndPolygon} is + * called, the polygon is tessellated, and the resulting triangles are + * described through callbacks. See + * {@link #gluTessCallback gluTessCallback} for + * descriptions of the callback methods. + * + * @param tessellator + * Specifies the tessellation object (created with + * {@link #gluNewTess gluNewTess}). + * @param data + * Specifies a reference to user polygon data. + * + * @see #gluNewTess gluNewTess + * @see #gluTessBeginContour gluTessBeginContour + * @see #gluTessVertex gluTessVertex + * @see #gluTessCallback gluTessCallback + * @see #gluTessProperty gluTessProperty + * @see #gluTessNormal gluTessNormal + * @see #gluTessEndPolygon gluTessEndPolygon + ****************************************************************************/ +public final void gluTessBeginPolygon(GLUtessellator tessellator, Object data) { + GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; + tess.gluTessBeginPolygon(data); +} + +/***************************************************************************** + * <b>gluTessBeginContour</b> and + * {@link #gluTessEndContour gluTessEndContour} delimit + * the definition of a polygon contour. Within each + * <b>gluTessBeginContour</b>/ + * {@link #gluTessEndContour gluTessEndContour} pair, + * there can be zero or more calls to + * {@link #gluTessVertex gluTessVertex}. The vertices + * specify a closed contour (the last vertex of each contour is automatically + * linked to the first). See the {@link #gluTessVertex + * gluTessVertex} reference page for more details. <b>gluTessBeginContour</b> + * can only be called between + * {@link #gluTessBeginPolygon gluTessBeginPolygon} and + * {@link #gluTessEndPolygon gluTessEndPolygon}. + * + * @param tessellator + * Specifies the tessellation object (created with + * {@link #gluNewTess gluNewTess}). + * + * @see #gluNewTess gluNewTess + * @see #gluTessBeginPolygon gluTessBeginPolygon + * @see #gluTessVertex gluTessVertex + * @see #gluTessCallback gluTessCallback + * @see #gluTessProperty gluTessProperty + * @see #gluTessNormal gluTessNormal + * @see #gluTessEndPolygon gluTessEndPolygon + ****************************************************************************/ +public final void gluTessBeginContour(GLUtessellator tessellator) { + GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; + tess.gluTessBeginContour(); +} + +/***************************************************************************** + * <b>gluTessEndContour</b> and + * {@link #gluTessBeginContour gluTessBeginContour} + * delimit the definition of a polygon contour. Within each + * {@link #gluTessBeginContour gluTessBeginContour}/ + * <b>gluTessEndContour</b> pair, there can be zero or more calls to + * {@link #gluTessVertex gluTessVertex}. The vertices + * specify a closed contour (the last vertex of each contour is automatically + * linked to the first). See the {@link #gluTessVertex + * gluTessVertex} reference page for more details. + * {@link #gluTessBeginContour gluTessBeginContour} can + * only be called between {@link #gluTessBeginPolygon + * gluTessBeginPolygon} and + * {@link #gluTessEndPolygon gluTessEndPolygon}. + * + * @param tessellator + * Specifies the tessellation object (created with + * {@link #gluNewTess gluNewTess}). + * + * @see #gluNewTess gluNewTess + * @see #gluTessBeginPolygon gluTessBeginPolygon + * @see #gluTessVertex gluTessVertex + * @see #gluTessCallback gluTessCallback + * @see #gluTessProperty gluTessProperty + * @see #gluTessNormal gluTessNormal + * @see #gluTessEndPolygon gluTessEndPolygon + ****************************************************************************/ +public final void gluTessEndContour(GLUtessellator tessellator) { + GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; + tess.gluTessEndContour(); +} + +/***************************************************************************** + * <b>gluTessEndPolygon</b> and + * {@link #gluTessBeginPolygon gluTessBeginPolygon} + * delimit the definition of a convex, concave or self-intersecting polygon. + * Within each {@link #gluTessBeginPolygon + * gluTessBeginPolygon}/<b>gluTessEndPolygon</b> pair, there must be one or + * more calls to {@link #gluTessBeginContour + * gluTessBeginContour}/{@link #gluTessEndContour + * gluTessEndContour}. Within each contour, there are zero or more calls to + * {@link #gluTessVertex gluTessVertex}. The vertices + * specify a closed contour (the last vertex of each contour is automatically + * linked to the first). See the {@link #gluTessVertex + * gluTessVertex}, {@link #gluTessBeginContour + * gluTessBeginContour} and {@link #gluTessEndContour + * gluTessEndContour} reference pages for more details.<P> + * + * Once <b>gluTessEndPolygon</b> is called, the polygon is tessellated, and + * the resulting triangles are described through callbacks. See + * {@link #gluTessCallback gluTessCallback} for + * descriptions of the callback functions. + * + * @param tessellator + * Specifies the tessellation object (created with + * {@link #gluNewTess gluNewTess}). + * + * @see #gluNewTess gluNewTess + * @see #gluTessBeginContour gluTessBeginContour + * @see #gluTessVertex gluTessVertex + * @see #gluTessCallback gluTessCallback + * @see #gluTessProperty gluTessProperty + * @see #gluTessNormal gluTessNormal + * @see #gluTessBeginPolygon gluTessBeginPolygon + ****************************************************************************/ +public final void gluTessEndPolygon(GLUtessellator tessellator) { + GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; + tess.gluTessEndPolygon(); +} + +/***************************************************************************** + + * <b>gluBeginPolygon</b> and {@link #gluEndPolygon gluEndPolygon} + * delimit the definition of a nonconvex polygon. To define such a + * polygon, first call <b>gluBeginPolygon</b>. Then define the + * contours of the polygon by calling {@link #gluTessVertex + * gluTessVertex} for each vertex and {@link #gluNextContour + * gluNextContour} to start each new contour. Finally, call {@link + * #gluEndPolygon gluEndPolygon} to signal the end of the + * definition. See the {@link #gluTessVertex gluTessVertex} and {@link + * #gluNextContour gluNextContour} reference pages for more + * details.<P> + + * + * Once {@link #gluEndPolygon gluEndPolygon} is called, + * the polygon is tessellated, and the resulting triangles are described + * through callbacks. See {@link #gluTessCallback + * gluTessCallback} for descriptions of the callback methods. + * + * @param tessellator + * Specifies the tessellation object (created with + * {@link #gluNewTess gluNewTess}). + * + * @see #gluNewTess gluNewTess + * @see #gluNextContour gluNextContour + * @see #gluTessCallback gluTessCallback + * @see #gluTessVertex gluTessVertex + * @see #gluTessBeginPolygon gluTessBeginPolygon + * @see #gluTessBeginContour gluTessBeginContour + ****************************************************************************/ +public final void gluBeginPolygon(GLUtessellator tessellator) { + GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; + tess.gluBeginPolygon(); +} + +/***************************************************************************** + * <b>gluNextContour</b> is used to describe polygons with multiple + * contours. After you describe the first contour through a series of + * {@link #gluTessVertex gluTessVertex} calls, a + * <b>gluNextContour</b> call indicates that the previous contour is complete + * and that the next contour is about to begin. Perform another series of + * {@link #gluTessVertex gluTessVertex} calls to + * describe the new contour. Repeat this process until all contours have been + * described.<P> + * + * The type parameter defines what type of contour follows. The following + * values are valid. <P> + * + * <b>GLU_EXTERIOR</b> + * <UL> + * An exterior contour defines an exterior boundary of the polygon. + * </UL> + * <b>GLU_INTERIOR</b> + * <UL> + * An interior contour defines an interior boundary of the polygon (such as + * a hole). + * </UL> + * <b>GLU_UNKNOWN</b> + * <UL> + * An unknown contour is analyzed by the library to determine whether it is + * interior or exterior. + * </UL> + * <b>GLU_CCW, GLU_CW</b> + * <UL> + * The first <b>GLU_CCW</b> or <b>GLU_CW</b> contour defined is considered + * to be exterior. All other contours are considered to be exterior if they + * are oriented in the same direction (clockwise or counterclockwise) as the + * first contour, and interior if they are not. If one contour is of type + * <b>GLU_CCW</b> or <b>GLU_CW</b>, then all contours must be of the same + * type (if they are not, then all <b>GLU_CCW</b> and <b>GLU_CW</b> contours + * will be changed to <b>GLU_UNKNOWN</b>). Note that there is no + * real difference between the <b>GLU_CCW</b> and <b>GLU_CW</b> contour + * types. + * </UL><P> + * + * To define the type of the first contour, you can call <b>gluNextContour</b> + * before describing the first contour. If you do not call + * <b>gluNextContour</b> before the first contour, the first contour is marked + * <b>GLU_EXTERIOR</b>.<P> + * + * <UL> + * <b>Note:</b> The <b>gluNextContour</b> function is obsolete and is + * provided for backward compatibility only. The <b>gluNextContour</b> + * function is mapped to {@link #gluTessEndContour + * gluTessEndContour} followed by + * {@link #gluTessBeginContour gluTessBeginContour}. + * </UL> + * + * @param tessellator + * Specifies the tessellation object (created with + * {@link #gluNewTess gluNewTess}). + * @param type + * The type of the contour being defined. + * + * @see #gluNewTess gluNewTess + * @see #gluTessBeginContour gluTessBeginContour + * @see #gluTessBeginPolygon gluTessBeginPolygon + * @see #gluTessCallback gluTessCallback + * @see #gluTessEndContour gluTessEndContour + * @see #gluTessVertex gluTessVertex + ****************************************************************************/ +public final void gluNextContour(GLUtessellator tessellator, int type) { + GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; + tess.gluNextContour(type); +} + +/***************************************************************************** + * <b>gluEndPolygon</b> and {@link #gluBeginPolygon + * gluBeginPolygon} delimit the definition of a nonconvex polygon. To define + * such a polygon, first call {@link #gluBeginPolygon + * gluBeginPolygon}. Then define the contours of the polygon by calling + * {@link #gluTessVertex gluTessVertex} for each vertex + * and {@link #gluNextContour gluNextContour} to start + * each new contour. Finally, call <b>gluEndPolygon</b> to signal the end of + * the definition. See the {@link #gluTessVertex + * gluTessVertex} and {@link #gluNextContour + * gluNextContour} reference pages for more details.<P> + * + * Once <b>gluEndPolygon</b> is called, the polygon is tessellated, and the + * resulting triangles are described through callbacks. See + * {@link #gluTessCallback gluTessCallback} for + * descriptions of the callback methods. + * + * @param tessellator + * Specifies the tessellation object (created with + * {@link #gluNewTess gluNewTess}). + * + * @see #gluNewTess gluNewTess + * @see #gluNextContour gluNextContour + * @see #gluTessCallback gluTessCallback + * @see #gluTessVertex gluTessVertex + * @see #gluTessBeginPolygon gluTessBeginPolygon + * @see #gluTessBeginContour gluTessBeginContour + ****************************************************************************/ +public final void gluEndPolygon(GLUtessellator tessellator) { + GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; + tess.gluEndPolygon(); +} + +//---------------------------------------------------------------------- +// Quadric functionality +// + +/** Interface to C language function: <br> <code> void gluCylinder(GLUquadric * quad, GLdouble base, GLdouble top, GLdouble height, GLint slices, GLint stacks); </code> */ +public final void gluCylinder(GLUquadric quad, double base, double top, double height, int slices, int stacks) { + ((GLUquadricImpl) quad).drawCylinder(getCurrentGL2(), (float) base, (float) top, (float) height, slices, stacks); +} + +/** Interface to C language function: <br> <code> void gluDeleteQuadric(GLUquadric * quad); </code> */ +public final void gluDeleteQuadric(GLUquadric quad) { +} + +/** Interface to C language function: <br> <code> void gluDisk(GLUquadric * quad, GLdouble inner, GLdouble outer, GLint slices, GLint loops); </code> */ +public final void gluDisk(GLUquadric quad, double inner, double outer, int slices, int loops) { + ((GLUquadricImpl) quad).drawDisk(getCurrentGL2(), (float) inner, (float) outer, slices, loops); +} + +/** Interface to C language function: <br> <code> GLUquadric * gluNewQuadric(void); </code> */ +public final GLUquadric gluNewQuadric() { + return new GLUquadricImpl(); +} + +/** Interface to C language function: <br> <code> void gluPartialDisk(GLUquadric * quad, GLdouble inner, GLdouble outer, GLint slices, GLint loops, GLdouble start, GLdouble sweep); </code> */ +public final void gluPartialDisk(GLUquadric quad, double inner, double outer, int slices, int loops, double start, double sweep) { + ((GLUquadricImpl) quad).drawPartialDisk(getCurrentGL2(), (float) inner, (float) outer, slices, loops, (float) start, (float) sweep); +} + +/** Interface to C language function: <br> <code> void gluQuadricDrawStyle(GLUquadric * quad, GLenum draw); </code> */ +public final void gluQuadricDrawStyle(GLUquadric quad, int draw) { + ((GLUquadricImpl) quad).setDrawStyle(draw); +} + +/** Interface to C language function: <br> <code> void gluQuadricNormals(GLUquadric * quad, GLenum normal); </code> */ +public final void gluQuadricNormals(GLUquadric quad, int normal) { + ((GLUquadricImpl) quad).setNormals(normal); +} + +/** Interface to C language function: <br> <code> void gluQuadricOrientation(GLUquadric * quad, GLenum orientation); </code> */ +public final void gluQuadricOrientation(GLUquadric quad, int orientation) { + ((GLUquadricImpl) quad).setOrientation(orientation); +} + +/** Interface to C language function: <br> <code> void gluQuadricTexture(GLUquadric * quad, GLboolean texture); </code> */ +public final void gluQuadricTexture(GLUquadric quad, boolean texture) { + ((GLUquadricImpl) quad).setTextureFlag(texture); +} + +/** Interface to C language function: <br> <code> void gluSphere(GLUquadric * quad, GLdouble radius, GLint slices, GLint stacks); </code> */ +public final void gluSphere(GLUquadric quad, double radius, int slices, int stacks) { + ((GLUquadricImpl) quad).drawSphere(getCurrentGL2(), (float) radius, slices, stacks); +} + +//---------------------------------------------------------------------- +// Projection routines +// + +private ProjectDouble project; + +public final void gluOrtho2D(double left, double right, double bottom, double top) { + project.gluOrtho2D(getCurrentGL2(), left, right, bottom, top); +} + +public final void gluPerspective(double fovy, double aspect, double zNear, double zFar) { + project.gluPerspective(getCurrentGL2(), fovy, aspect, zNear, zFar); +} + +public final void gluLookAt(double eyeX, double eyeY, double eyeZ, double centerX, double centerY, double centerZ, double upX, double upY, double upZ) { + project.gluLookAt(getCurrentGL2(), eyeX, eyeY, eyeZ, centerX, centerY, centerZ, upX, upY, upZ); +} + +/** Interface to C language function: <br> <code> GLint gluProject(GLdouble objX, GLdouble objY, GLdouble objZ, const GLdouble * model, const GLdouble * proj, const GLint * view, GLdouble * winX, GLdouble * winY, GLdouble * winZ); </code> + * <P> Accepts the outgoing window coordinates as a single array. + */ +public final boolean gluProject(double objX, double objY, double objZ, double[] model, int model_offset, double[] proj, int proj_offset, int[] view, int view_offset, double[] winPos, int winPos_offset) { + return project.gluProject(objX, objY, objZ, model, model_offset, proj, proj_offset, view, view_offset, winPos, winPos_offset); +} + +/** Interface to C language function: <br> <code> GLint gluProject(GLdouble objX, GLdouble objY, GLdouble objZ, const GLdouble * model, const GLdouble * proj, const GLint * view, GLdouble * winX, GLdouble * winY, GLdouble * winZ); </code> + * <P> Accepts the outgoing window coordinates as a single buffer. + */ +public final boolean gluProject(double objX, double objY, double objZ, DoubleBuffer model, DoubleBuffer proj, IntBuffer view, DoubleBuffer winPos) { + return project.gluProject(objX, objY, objZ, model, proj, view, winPos); +} + +/** Interface to C language function: <br> <code> GLint gluUnProject(GLdouble winX, GLdouble winY, GLdouble winZ, const GLdouble * model, const GLdouble * proj, const GLint * view, GLdouble * objX, GLdouble * objY, GLdouble * objZ); </code> + * <P> Accepts the outgoing object coordinates (a 3-vector) as a single array. + */ +public final boolean gluUnProject(double winX, double winY, double winZ, double[] model, int model_offset, double[] proj, int proj_offset, int[] view, int view_offset, double[] objPos, int objPos_offset) { + return project.gluUnProject(winX, winY, winZ, model, model_offset, proj, proj_offset, view, view_offset, objPos, objPos_offset); +} + +/** Interface to C language function: <br> <code> GLint gluUnProject(GLdouble winX, GLdouble winY, GLdouble winZ, const GLdouble * model, const GLdouble * proj, const GLint * view, GLdouble * objX, GLdouble * objY, GLdouble * objZ); </code> + * <P> Accepts the outgoing object coordinates (a 3-vector) as a single buffer. + */ +public final boolean gluUnProject(double winX, double winY, double winZ, DoubleBuffer model, DoubleBuffer proj, IntBuffer view, DoubleBuffer objPos) { + return project.gluUnProject(winX, winY, winZ, model, proj, view, objPos); +} + +/** Interface to C language function: <br> <code> GLint gluUnProject4(GLdouble winX, GLdouble winY, GLdouble winZ, GLdouble clipW, const GLdouble * model, const GLdouble * proj, const GLint * view, GLdouble nearVal, GLdouble farVal, GLdouble * objX, GLdouble * objY, GLdouble * objZ, GLdouble * objW); </code> + * <P> Accepts the outgoing object coordinates (a 4-vector) as a single array. + */ +public final boolean gluUnProject4(double winX, double winY, double winZ, double clipW, double[] model, int model_offset, double[] proj, int proj_offset, int[] view, int view_offset, double nearVal, double farVal, double[] objPos, int objPos_offset) { + return project.gluUnProject4(winX, winY, winZ, clipW, model, model_offset, proj, proj_offset, view, view_offset, nearVal, farVal, objPos, objPos_offset); +} + +/** Interface to C language function: <br> <code> GLint gluUnProject4(GLdouble winX, GLdouble winY, GLdouble winZ, GLdouble clipW, const GLdouble * model, const GLdouble * proj, const GLint * view, GLdouble nearVal, GLdouble farVal, GLdouble * objX, GLdouble * objY, GLdouble * objZ, GLdouble * objW); </code> + * <P> Accepts the outgoing object coordinates (a 4-vector) as a single buffer. + */ +public final boolean gluUnProject4(double winX, double winY, double winZ, double clipW, DoubleBuffer model, DoubleBuffer proj, IntBuffer view, double nearVal, double farVal, DoubleBuffer objPos) { + return project.gluUnProject4(winX, winY, winZ, clipW, model, proj, view, nearVal, farVal, objPos); +} + +public final void gluPickMatrix(double x, double y, double delX, double delY, int[] viewport, int viewport_offset) { + project.gluPickMatrix(getCurrentGL2(), x, y, delX, delY, viewport, viewport_offset); +} + +public final void gluPickMatrix(double x, double y, double delX, double delY, IntBuffer viewport) { + project.gluPickMatrix(getCurrentGL2(), x, y, delX, delY, viewport); +} + +//---------------------------------------------------------------------- +// Mipmap and image scaling functionality + + +private final ByteBuffer copyToByteBuffer(Buffer buf) { + if (buf instanceof ByteBuffer) { + if (buf.position() == 0) { + return (ByteBuffer) buf; + } + return BufferUtil.copyByteBuffer((ByteBuffer) buf); + } else if (buf instanceof ShortBuffer) { + return BufferUtil.copyShortBufferAsByteBuffer((ShortBuffer) buf); + } else if (buf instanceof IntBuffer) { + return BufferUtil.copyIntBufferAsByteBuffer((IntBuffer) buf); + } else if (buf instanceof FloatBuffer) { + return BufferUtil.copyFloatBufferAsByteBuffer((FloatBuffer) buf); + } else { + throw new IllegalArgumentException("Unsupported buffer type (must be one of byte, short, int, or float)"); + } +} + +private final int gluScaleImageJava( int format, int widthin, int heightin, + int typein, Buffer datain, int widthout, int heightout, + int typeout, Buffer dataout ) { + ByteBuffer in = null; + ByteBuffer out = null; + in = copyToByteBuffer(datain); + if( dataout instanceof ByteBuffer ) { + out = (ByteBuffer)dataout; + } else if( dataout instanceof ShortBuffer ) { + out = BufferUtil.newByteBuffer(dataout.remaining() * BufferUtil.SIZEOF_SHORT); + } else if ( dataout instanceof IntBuffer ) { + out = BufferUtil.newByteBuffer(dataout.remaining() * BufferUtil.SIZEOF_INT); + } else if ( dataout instanceof FloatBuffer ) { + out = BufferUtil.newByteBuffer(dataout.remaining() * BufferUtil.SIZEOF_FLOAT); + } else { + throw new IllegalArgumentException("Unsupported destination buffer type (must be byte, short, int, or float)"); + } + int errno = Mipmap.gluScaleImage( getCurrentGL2(), format, widthin, heightin, typein, in, + widthout, heightout, typeout, out ); + if( errno == 0 ) { + out.rewind(); + if (out != dataout) { + if( dataout instanceof ShortBuffer ) { + ((ShortBuffer) dataout).put(out.asShortBuffer()); + } else if( dataout instanceof IntBuffer ) { + ((IntBuffer) dataout).put(out.asIntBuffer()); + } else if( dataout instanceof FloatBuffer ) { + ((FloatBuffer) dataout).put(out.asFloatBuffer()); + } else { + throw new RuntimeException("Should not reach here"); + } + } + } + return( errno ); +} + + +private final int gluBuild1DMipmapLevelsJava( int target, int internalFormat, int width, + int format, int type, int userLevel, int baseLevel, int maxLevel, + Buffer data ) { + ByteBuffer buffer = copyToByteBuffer(data); + return( Mipmap.gluBuild1DMipmapLevels( getCurrentGL2(), target, internalFormat, width, + format, type, userLevel, baseLevel, maxLevel, buffer ) ); +} + + +private final int gluBuild1DMipmapsJava( int target, int internalFormat, int width, + int format, int type, Buffer data ) { + ByteBuffer buffer = copyToByteBuffer(data); + return( Mipmap.gluBuild1DMipmaps( getCurrentGL2(), target, internalFormat, width, format, + type, buffer ) ); +} + + +private final int gluBuild2DMipmapLevelsJava( int target, int internalFormat, int width, + int height, int format, int type, int userLevel, int baseLevel, + int maxLevel, Buffer data ) { + // While the code below handles other data types, it doesn't handle non-ByteBuffers + data = copyToByteBuffer(data); + return( Mipmap.gluBuild2DMipmapLevels( getCurrentGL2(), target, internalFormat, width, + height, format, type, userLevel, baseLevel, maxLevel, data ) ); +} + +private final int gluBuild2DMipmapsJava( int target, int internalFormat, int width, + int height, int format, int type, Buffer data ) { + // While the code below handles other data types, it doesn't handle non-ByteBuffers + data = copyToByteBuffer(data); + return( Mipmap.gluBuild2DMipmaps( getCurrentGL2(), target, internalFormat, width, height, + format, type, data) ); +} + +private final int gluBuild3DMipmapLevelsJava( int target, int internalFormat, int width, + int height, int depth, int format, int type, int userLevel, int baseLevel, + int maxLevel, Buffer data) { + ByteBuffer buffer = copyToByteBuffer(data); + return( Mipmap.gluBuild3DMipmapLevels( getCurrentGL2(), target, internalFormat, width, + height, depth, format, type, userLevel, baseLevel, maxLevel, buffer) ); +} + +private final int gluBuild3DMipmapsJava( int target, int internalFormat, int width, + int height, int depth, int format, int type, Buffer data ) { + ByteBuffer buffer = copyToByteBuffer(data); + return( Mipmap.gluBuild3DMipmaps( getCurrentGL2(), target, internalFormat, width, height, + depth, format, type, buffer ) ); +} + + +//---------------------------------------------------------------------- +// Wrappers for mipmap and image scaling entry points which dispatch either +// to the Java or C versions. +// + +/** Interface to C language function: <br> <code> GLint gluBuild1DMipmapLevels(GLenum target, GLint internalFormat, GLsizei width, GLenum format, GLenum type, GLint level, GLint base, GLint max, const void * data); </code> */ +public final int gluBuild1DMipmapLevels(int target, int internalFormat, int width, int format, int type, int level, int base, int max, java.nio.Buffer data) { + if (useJavaMipmapCode) { + return gluBuild1DMipmapLevelsJava(target, internalFormat, width, format, type, level, base, max, data); + } else { + return gluBuild1DMipmapLevelsC(target, internalFormat, width, format, type, level, base, max, data); + } +} + +/** Interface to C language function: <br> <code> GLint gluBuild1DMipmaps(GLenum target, GLint internalFormat, GLsizei width, GLenum format, GLenum type, const void * data); </code> */ +public final int gluBuild1DMipmaps(int target, int internalFormat, int width, int format, int type, java.nio.Buffer data) { + if (useJavaMipmapCode) { + return gluBuild1DMipmapsJava(target, internalFormat, width, format, type, data); + } else { + return gluBuild1DMipmapsC(target, internalFormat, width, format, type, data); + } +} + +/** Interface to C language function: <br> <code> GLint gluBuild2DMipmapLevels(GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint level, GLint base, GLint max, const void * data); </code> */ +public final int gluBuild2DMipmapLevels(int target, int internalFormat, int width, int height, int format, int type, int level, int base, int max, java.nio.Buffer data) { + if (useJavaMipmapCode) { + return gluBuild2DMipmapLevelsJava(target, internalFormat, width, height, format, type, level, base, max, data); + } else { + return gluBuild2DMipmapLevelsC(target, internalFormat, width, height, format, type, level, base, max, data); + } +} + + +/** Interface to C language function: <br> <code> GLint gluBuild2DMipmaps(GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, const void * data); </code> */ +public final int gluBuild2DMipmaps(int target, int internalFormat, int width, int height, int format, int type, java.nio.Buffer data) { + if (useJavaMipmapCode) { + return gluBuild2DMipmapsJava(target, internalFormat, width, height, format, type, data); + } else { + return gluBuild2DMipmapsC(target, internalFormat, width, height, format, type, data); + } +} + + +/** Interface to C language function: <br> <code> GLint gluBuild3DMipmapLevels(GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, GLint level, GLint base, GLint max, const void * data); </code> */ +public final int gluBuild3DMipmapLevels(int target, int internalFormat, int width, int height, int depth, int format, int type, int level, int base, int max, java.nio.Buffer data) { + if (useJavaMipmapCode) { + return gluBuild3DMipmapLevelsJava(target, internalFormat, width, height, depth, format, type, level, base, max, data); + } else { + return gluBuild3DMipmapLevelsC(target, internalFormat, width, height, depth, format, type, level, base, max, data); + } +} + +/** Interface to C language function: <br> <code> GLint gluBuild3DMipmaps(GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void * data); </code> */ +public final int gluBuild3DMipmaps(int target, int internalFormat, int width, int height, int depth, int format, int type, java.nio.Buffer data) { + if (useJavaMipmapCode) { + return gluBuild3DMipmapsJava(target, internalFormat, width, height, depth, format, type, data); + } else { + return gluBuild3DMipmapsC(target, internalFormat, width, height, depth, format, type, data); + } +} + + +/** Interface to C language function: <br> <code> GLint gluScaleImage(GLenum format, GLsizei wIn, GLsizei hIn, GLenum typeIn, const void * dataIn, GLsizei wOut, GLsizei hOut, GLenum typeOut, GLvoid * dataOut); </code> */ +public final int gluScaleImage(int format, int wIn, int hIn, int typeIn, java.nio.Buffer dataIn, int wOut, int hOut, int typeOut, java.nio.Buffer dataOut) { + if (useJavaMipmapCode) { + return gluScaleImageJava(format, wIn, hIn, typeIn, dataIn, wOut, hOut, typeOut, dataOut); + } else { + return gluScaleImageC(format, wIn, hIn, typeIn, dataIn, wOut, hOut, typeOut, dataOut); + } +} + +//---------------------------------------------------------------------- +// NURBS functionality +// + +/** + * Sets a property on a NURBS object. (NOTE: this function is not currently implemented.) + * + * @param r + * GLUnurbs object holding NURBS to which a property should be + * set + * @param property + * property id + * @param value + * property value + */ +public final void gluNurbsProperty(GLUnurbs r, int property, float value) { + // TODO glunurbsproperty + float nurbsValue; + switch (property) { + default: + // System.out.println("TODO gluwnurbs.glunurbsproperty"); + break; + } +} + +/** + * Creates a new GLUnurbs object. + * + * @return GLUnurbs object + */ +public final GLUnurbs gluNewNurbsRenderer() { + // DONE + return new GLUgl2nurbsImpl(); +} + +/** + * Begins a curve definition. + * + * @param r + * GLUnurbs object to specify curve to + */ +public final void gluBeginCurve(GLUnurbs r) { + // DONE + ((GLUgl2nurbsImpl) r).bgncurve(); +} + +/** + * Begins a surface definition. + * + * @param r + * GLUnurbs object to specify surface to + */ +public final void gluBeginSurface(GLUnurbs r) { + // DONE + ((GLUgl2nurbsImpl) r).bgnsurface(); +} + +/** + * Ends a surface. + * + * @param r + * GLUnurbs object holding surface + */ +public final void gluEndSurface(GLUnurbs r) { + // DONE + ((GLUgl2nurbsImpl) r).endsurface(); +} + +/** + * Makes a NURBS surface. + * + * @param r + * GLUnurbs object holding the surface + * @param sknot_count + * number of knots in s direction + * @param sknot + * knots in s direction + * @param tknot_count + * number of knots in t direction + * @param tknot + * knots in t direction + * @param s_stride + * number of control points coordinates in s direction + * @param t_stride + * number of control points coordinates in t direction + * @param ctlarray + * control points + * @param sorder + * order of surface in s direction + * @param torder + * order of surface in t direction + * @param type + * surface type + */ +public final void gluNurbsSurface(GLUnurbs r, int sknot_count, float[] sknot, + int tknot_count, float[] tknot, int s_stride, int t_stride, + float[] ctlarray, int sorder, int torder, int type) { + // DONE + ((GLUgl2nurbsImpl) r).nurbssurface(sknot_count, sknot, tknot_count, tknot, s_stride, + t_stride, ctlarray, sorder, torder, type); +} + +/** + * Make a NURBS curve. + * + * @param r + * GLUnurbs object holding the curve + * @param nknots + * number of knots + * @param knot + * knot vector + * @param stride + * number of control point coordinates + * @param ctlarray + * control points + * @param order + * order of the curve + * @param type + * curve type + */ +public final void gluNurbsCurve(GLUnurbs r, int nknots, float[] knot, int stride, + float[] ctlarray, int order, int type) { + int realType; + switch (type) { + // TODO GLU_MAP1_TRIM_2 etc. + default: + realType = type; + break; + } + ((GLUgl2nurbsImpl) r).nurbscurve(nknots, knot, stride, ctlarray, order, realType); +} + +/** + * Ends a curve definition. + * + * @param r + * GLUnurbs object holding the curve + */ +public final void gluEndCurve(GLUnurbs r) { + //DONE + ((GLUgl2nurbsImpl) r).endcurve(); +} + +//---------------------------------------------------------------------- +// GLUProcAddressTable handling +// + +private static GLUgl2ProcAddressTable gluProcAddressTable; +private static volatile boolean gluLibraryLoaded; + +private static final GLUgl2ProcAddressTable getGLUProcAddressTable() { + if (!gluLibraryLoaded) { + loadGLULibrary(); + } + if (gluProcAddressTable == null) { + GLUgl2ProcAddressTable tmp = new GLUgl2ProcAddressTable(); + ProcAddressHelper.resetProcAddressTable(tmp, GLDrawableFactoryImpl.getFactoryImpl(false)); + gluProcAddressTable = tmp; + } + return gluProcAddressTable; +} + +private static final synchronized void loadGLULibrary() { + if (!gluLibraryLoaded) { + GLDrawableFactoryImpl.getFactoryImpl(false).loadGLULibrary(); + gluLibraryLoaded = true; + } +} |