mesa: Convert gl_viewport_attrib::Near and ::Far to double

[mesa.git] / src / mesa / math / m_matrix.c

diff --git a/src/mesa/math/m_matrix.c b/src/mesa/math/m_matrix.c
index d6c77c599433ba27e2237698ade16bee7588faf9..38fa51ec1b7f097cc5f1e484d12362cd0bfa0115 100644 (file)
--- 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.
  */
 
 
@@ -45,7 +45,6 @@
  * \defgroup MatFlags MAT_FLAG_XXX-flags
  *
  * Bitmasks to indicate different kinds of 4x4 matrices in GLmatrix::flags
- * It would be nice to make all these flags private to m_matrix.c
  */
 /*@{*/
 #define MAT_FLAG_IDENTITY       0     /**< is an identity matrix flag.
@@ -857,7 +856,7 @@ _math_matrix_rotate( GLmatrix *mat,
    }
 
    if (!optimized) {
-      const GLfloat mag = SQRTF(x * x + y * y + z * z);
+      const GLfloat mag = sqrtf(x * x + y * y + z * z);
 
       if (mag <= 1.0e-4) {
          /* no rotation, leave mat as-is */
@@ -1112,14 +1111,14 @@ _math_matrix_translate( GLmatrix *mat, GLfloat x, GLfloat y, GLfloat z )
  */
 void
 _math_matrix_viewport(GLmatrix *m, GLint x, GLint y, GLint width, GLint height,
-                      GLfloat zNear, GLfloat zFar, GLfloat depthMax)
+                      GLdouble zNear, GLdouble zFar, GLdouble depthMax)
 {
    m->m[MAT_SX] = (GLfloat) width / 2.0F;
    m->m[MAT_TX] = m->m[MAT_SX] + x;
    m->m[MAT_SY] = (GLfloat) 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;
 }
@@ -1438,7 +1437,7 @@ void
 _math_matrix_copy( GLmatrix *to, const GLmatrix *from )
 {
    memcpy( to->m, from->m, sizeof(Identity) );
-   memcpy(to->inv, from->inv, sizeof(from->inv));
+   memcpy(to->inv, from->inv, 16 * sizeof(GLfloat));
    to->flags = from->flags;
    to->type = from->type;
 }
@@ -1469,10 +1468,10 @@ _math_matrix_loadf( GLmatrix *mat, const GLfloat *m )
 void
 _math_matrix_ctr( GLmatrix *m )
 {
-   m->m = (GLfloat *) _mesa_align_malloc( 16 * sizeof(GLfloat), 16 );
+   m->m = _mesa_align_malloc( 16 * sizeof(GLfloat), 16 );
    if (m->m)
       memcpy( m->m, Identity, sizeof(Identity) );
-   m->inv = (GLfloat *) _mesa_align_malloc( 16 * sizeof(GLfloat), 16 );
+   m->inv = _mesa_align_malloc( 16 * sizeof(GLfloat), 16 );
    if (m->inv)
       memcpy( m->inv, Identity, sizeof(Identity) );
    m->type = MATRIX_IDENTITY;
@@ -1489,14 +1488,11 @@ _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;
 }
 
 /*@}*/