X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmath%2Fm_matrix.c;h=e512e456fbd054640f6daca3fd9e8438c5866086;hb=7e78033c11858b34e274be91586fdfa750c1db11;hp=bcd2cae4a5072abc0be4638476d4d2483130586d;hpb=2b7a972e3f36bfcdc6fbe2b59d7ffdcde49c9405;p=mesa.git

diff --git a/src/mesa/math/m_matrix.c b/src/mesa/math/m_matrix.c
index bcd2cae4a50..e512e456fbd 100644
--- a/src/mesa/math/m_matrix.c
+++ b/src/mesa/math/m_matrix.c
@@ -1,6 +1,5 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.3
  *
  * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
  *
@@ -17,9 +16,10 @@
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
  */
 
 
@@ -1110,15 +1110,16 @@ _math_matrix_translate( GLmatrix *mat, GLfloat x, GLfloat y, GLfloat z )
  * Transforms Normalized Device Coords to window/Z values.
  */
 void
-_math_matrix_viewport(GLmatrix *m, GLint x, GLint y, GLint width, GLint height,
-                      GLfloat zNear, GLfloat zFar, GLfloat depthMax)
+_math_matrix_viewport(GLmatrix *m, GLfloat x, GLfloat y,
+                      GLfloat width, GLfloat height,
+                      GLdouble zNear, GLdouble zFar, GLdouble depthMax)
 {
-   m->m[MAT_SX] = (GLfloat) width / 2.0F;
+   m->m[MAT_SX] = width / 2.0F;
    m->m[MAT_TX] = m->m[MAT_SX] + x;
-   m->m[MAT_SY] = (GLfloat) height / 2.0F;
+   m->m[MAT_SY] = height / 2.0F;
    m->m[MAT_TY] = m->m[MAT_SY] + y;
-   m->m[MAT_SZ] = depthMax * ((zFar - zNear) / 2.0F);
-   m->m[MAT_TZ] = depthMax * ((zFar - zNear) / 2.0F + zNear);
+   m->m[MAT_SZ] = (GLfloat) (depthMax * ((zFar - zNear) / 2.0));
+   m->m[MAT_TZ] = (GLfloat) (depthMax * ((zFar - zNear) / 2.0 + zNear));
    m->flags = MAT_FLAG_GENERAL_SCALE | MAT_FLAG_TRANSLATION;
    m->type = MATRIX_3D_NO_ROT;
 }
@@ -1488,14 +1489,11 @@ _math_matrix_ctr( GLmatrix *m )
 void
 _math_matrix_dtr( GLmatrix *m )
 {
-   if (m->m) {
-      _mesa_align_free( m->m );
-      m->m = NULL;
-   }
-   if (m->inv) {
-      _mesa_align_free( m->inv );
-      m->inv = NULL;
-   }
+   _mesa_align_free( m->m );
+   m->m = NULL;
+
+   _mesa_align_free( m->inv );
+   m->inv = NULL;
 }
 
 /*@}*/