Changeset 561 for trunk/demos/boxes/glbuffers.cpp

Timestamp:

Feb 11, 2010, 11:19:06 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.1 sources.

Location:

trunk

Files:

• . (modified) (1 prop)
• demos/boxes/glbuffers.cpp (modified) (6 diffs)

trunk/demos/boxes/glbuffers.cpp

@@ -2 +2 @@
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the demonstration applications of the Qt Toolkit.
@@ -21 +22 @@
 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
-** In addition, as a special exception, Nokia gives you certain
-** additional rights. These rights are described in the Nokia Qt LGPL
-** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 **
 ** GNU General Public License Usage
@@ -34 +34 @@
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
 ** $QT_END_LICENSE$
 **
@@ -41 +41 @@
 
 #include "glbuffers.h"
+#include <QtGui/qmatrix4x4.h>
 
 //============================================================================//
@@ -347 +348 @@
 }
 
-void GLRenderTargetCube::getViewMatrix(gfx::Matrix4x4f& mat, int face)
+void GLRenderTargetCube::getViewMatrix(QMatrix4x4& mat, int face)
 {
     if (face < 0 || face >= 6) {
@@ -372 +373 @@
     };
 
-    memset(mat.bits(), 0, sizeof(float) * 16);
+    mat.fill(0.0f);
     for (int i = 0; i < 3; ++i)
-        mat(perm[face][i], i) = signs[face][i];
+        mat(i, perm[face][i]) = signs[face][i];
     mat(3, 3) = 1.0f;
 }
 
-void GLRenderTargetCube::getProjectionMatrix(gfx::Matrix4x4f& mat, float nearZ, float farZ)
-{
-    float proj[] = {
-        1.0f, 0.0f, 0.0f, 0.0f,
-        0.0f, 1.0f, 0.0f, 0.0f,
-        0.0f, 0.0f, (nearZ+farZ)/(nearZ-farZ), -1.0f,
-        0.0f, 0.0f, 2.0f*nearZ*farZ/(nearZ-farZ), 0.0f,
-    };
-
-    memcpy(mat.bits(), proj, sizeof(float) * 16);
-}
+void GLRenderTargetCube::getProjectionMatrix(QMatrix4x4& mat, float nearZ, float farZ)
+{
+    static const QMatrix4x4 reference(
+            1.0f, 0.0f, 0.0f, 0.0f,
+            0.0f, 1.0f, 0.0f, 0.0f,
+            0.0f, 0.0f, 0.0f, 0.0f,
+            0.0f, 0.0f, -1.0f, 0.0f);
+
+    mat = reference;
+    mat(2, 2) = (nearZ+farZ)/(nearZ-farZ);
+    mat(2, 3) = 2.0f*nearZ*farZ/(nearZ-farZ);
+}