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-rw-r--r--mesalib/src/mesa/math/m_matrix.c13
-rw-r--r--mesalib/src/mesa/math/m_matrix.h4
2 files changed, 9 insertions, 8 deletions
diff --git a/mesalib/src/mesa/math/m_matrix.c b/mesalib/src/mesa/math/m_matrix.c
index 274f969d2..e512e456f 100644
--- a/mesalib/src/mesa/math/m_matrix.c
+++ b/mesalib/src/mesa/math/m_matrix.c
@@ -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;
}
diff --git a/mesalib/src/mesa/math/m_matrix.h b/mesalib/src/mesa/math/m_matrix.h
index 2b097cb31..dddce7019 100644
--- a/mesalib/src/mesa/math/m_matrix.h
+++ b/mesalib/src/mesa/math/m_matrix.h
@@ -122,8 +122,8 @@ _math_matrix_frustum( GLmatrix *mat,
GLfloat nearval, GLfloat farval );
extern 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);
extern void
_math_matrix_set_identity( GLmatrix *dest );