diff options
Diffstat (limited to 'src/jogl/classes')
4 files changed, 42 insertions, 11 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/math/FloatUtil.java b/src/jogl/classes/com/jogamp/opengl/math/FloatUtil.java index 1a8924c8f..4a08d2e1f 100644 --- a/src/jogl/classes/com/jogamp/opengl/math/FloatUtil.java +++ b/src/jogl/classes/com/jogamp/opengl/math/FloatUtil.java @@ -491,16 +491,18 @@ public final class FloatUtil { * @param zNear * @param zFar * @return given matrix for chaining + * @throws GLException with GL_INVALID_VALUE if zNear is <= 0, or zFar < 0, + * or if left == right, or bottom == top, or zNear == zFar. */ public static float[] makeFrustum(final float[] m, final int m_offset, final boolean initM, 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) { + final float zNear, final float zFar) throws GLException { + if( zNear <= 0.0f || zFar < 0.0f ) { throw new GLException("GL_INVALID_VALUE: zNear and zFar must be positive, and zNear>0"); } - if(left==right || top==bottom) { - throw new GLException("GL_INVALID_VALUE: top,bottom and left,right must not be equal"); + if( left == right || top == bottom || zNear == zFar ) { + throw new GLException("GL_INVALID_VALUE: top,bottom and left,right and zNear,zFar must not be equal"); } if( initM ) { // m[m_offset+0+4*0] = 1f; @@ -563,9 +565,10 @@ public final class FloatUtil { * @param zNear * @param zFar * @return given matrix for chaining + * @throws GLException with GL_INVALID_VALUE if zNear is <= 0, or zFar < 0, or if zNear == zFar. */ public static float[] makePerspective(final float[] m, final int m_off, final boolean initM, - final float fovy_rad, final float aspect, final float zNear, final float zFar) { + final float fovy_rad, final float aspect, final float zNear, final float zFar) throws GLException { final float top = tan(fovy_rad/2f) * zNear; // use tangent of half-fov ! final float bottom = -1.0f * top; final float left = aspect * bottom; @@ -588,9 +591,10 @@ public final class FloatUtil { * @param zNear * @param zFar * @return given matrix for chaining + * @throws GLException with GL_INVALID_VALUE if zNear is <= 0, or zFar < 0, or if zNear == zFar. */ public static float[] makePerspective(final float[] m, final int m_offset, final boolean initM, - final FovHVHalves fovhv, final float zNear, final float zFar) { + final FovHVHalves fovhv, final float zNear, final float zFar) throws GLException { final FovHVHalves fovhvTan = fovhv.toTangents(); // use tangent of half-fov ! final float top = fovhvTan.top * zNear; final float bottom = -1.0f * fovhvTan.bottom * zNear; diff --git a/src/jogl/classes/com/jogamp/opengl/math/Matrix4.java b/src/jogl/classes/com/jogamp/opengl/math/Matrix4.java index 830f1a882..b86a26dd5 100644 --- a/src/jogl/classes/com/jogamp/opengl/math/Matrix4.java +++ b/src/jogl/classes/com/jogamp/opengl/math/Matrix4.java @@ -28,6 +28,7 @@ package com.jogamp.opengl.math; +import javax.media.opengl.GLException; import javax.media.opengl.fixedfunc.GLMatrixFunc; import com.jogamp.opengl.util.PMVMatrix; @@ -139,11 +140,28 @@ public class Matrix4 { multMatrix( FloatUtil.makeOrtho(mat4Tmp1, 0, true, left, right, bottom, top, zNear, zFar) ); } - public final void makeFrustum(final float left, final float right, final float bottom, final float top, final float zNear, final float zFar) { + /** + * @param left + * @param right + * @param bottom + * @param top + * @param zNear + * @param zFar + * @throws GLException with GL_INVALID_VALUE if zNear is <= 0, or zFar < 0, + * or if left == right, or bottom == top, or zNear == zFar. + */ + public final void makeFrustum(final float left, final float right, final float bottom, final float top, final float zNear, final float zFar) throws GLException { multMatrix( FloatUtil.makeFrustum(mat4Tmp1, 0, true, left, right, bottom, top, zNear, zFar) ); } - public final void makePerspective(final float fovy_rad, final float aspect, final float zNear, final float zFar) { + /** + * @param fovy_rad + * @param aspect + * @param zNear + * @param zFar + * @throws GLException with GL_INVALID_VALUE if zNear is <= 0, or zFar < 0, or if zNear == zFar. + */ + public final void makePerspective(final float fovy_rad, final float aspect, final float zNear, final float zFar) throws GLException { multMatrix( FloatUtil.makePerspective(mat4Tmp1, 0, true, fovy_rad, aspect, zNear, zFar) ); } diff --git a/src/jogl/classes/com/jogamp/opengl/util/PMVMatrix.java b/src/jogl/classes/com/jogamp/opengl/util/PMVMatrix.java index 11acb0c58..6dd8ae032 100644 --- a/src/jogl/classes/com/jogamp/opengl/util/PMVMatrix.java +++ b/src/jogl/classes/com/jogamp/opengl/util/PMVMatrix.java @@ -660,8 +660,14 @@ public final class PMVMatrix implements GLMatrixFunc { glMultMatrixf( FloatUtil.makeOrtho(mat4Tmp1, 0, true, left, right, bottom, top, zNear, zFar), 0 ); } + /** + * {@inheritDoc} + * + * @throws GLException with GL_INVALID_VALUE if zNear is <= 0, or zFar < 0, + * or if left == right, or bottom == top, or zNear == zFar. + */ @Override - public final void glFrustumf(final float left, final float right, final float bottom, final float top, final float zNear, final float zFar) { + public final void glFrustumf(final float left, final float right, final float bottom, final float top, final float zNear, final float zFar) throws GLException { glMultMatrixf( FloatUtil.makeFrustum(mat4Tmp1, 0, true, left, right, bottom, top, zNear, zFar), 0 ); } @@ -676,8 +682,9 @@ public final class PMVMatrix implements GLMatrixFunc { * @param aspect aspect ratio width / height * @param zNear * @param zFar + * @throws GLException with GL_INVALID_VALUE if zNear is <= 0, or zFar < 0, or if zNear == zFar. */ - public final void gluPerspective(final float fovy_deg, final float aspect, final float zNear, final float zFar) { + public final void gluPerspective(final float fovy_deg, final float aspect, final float zNear, final float zFar) throws GLException { glMultMatrixf( FloatUtil.makePerspective(mat4Tmp1, 0, true, fovy_deg * FloatUtil.PI / 180.0f, aspect, zNear, zFar), 0 ); } diff --git a/src/jogl/classes/jogamp/opengl/ProjectFloat.java b/src/jogl/classes/jogamp/opengl/ProjectFloat.java index 5921eb9a9..235d3eb60 100644 --- a/src/jogl/classes/jogamp/opengl/ProjectFloat.java +++ b/src/jogl/classes/jogamp/opengl/ProjectFloat.java @@ -118,6 +118,7 @@ package jogamp.opengl; import java.nio.FloatBuffer; import java.nio.IntBuffer; +import javax.media.opengl.GLException; import javax.media.opengl.fixedfunc.GLMatrixFunc; import com.jogamp.opengl.math.FloatUtil; @@ -169,8 +170,9 @@ public class ProjectFloat { * @param aspect * @param zNear * @param zFar + * @throws GLException with GL_INVALID_VALUE if zNear is <= 0, or zFar < 0, or if zNear == zFar. */ - public void gluPerspective(final GLMatrixFunc gl, final float fovy_deg, final float aspect, final float zNear, final float zFar) { + public void gluPerspective(final GLMatrixFunc gl, final float fovy_deg, final float aspect, final float zNear, final float zFar) throws GLException { gl.glMultMatrixf(FloatUtil.makePerspective(mat4Tmp1, 0, true, fovy_deg * FloatUtil.PI / 180.0f, aspect, zNear, zFar), 0); } |