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author | ftrapero <frantracer@gmail.com> | 2017-06-15 14:15:08 +0200 |
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committer | ftrapero <frantracer@gmail.com> | 2017-06-15 14:15:08 +0200 |
commit | 459021c165c7023ee75f524060ca270985b547c1 (patch) | |
tree | ed3dfb281a1c00a9cf59ebf9d165e5a7a0f346bf /nx-X11/extras/Mesa_6.4.1/progs/util/winpos.c | |
parent | 4f216e7cf7571885f2995433580c9a3ec068eef4 (diff) | |
parent | 8667d4d97a3e958a7f63c18c34a62469ba5d2079 (diff) | |
download | nx-libs-459021c165c7023ee75f524060ca270985b547c1.tar.gz nx-libs-459021c165c7023ee75f524060ca270985b547c1.tar.bz2 nx-libs-459021c165c7023ee75f524060ca270985b547c1.zip |
Include mesa-6.4.1 project
Diffstat (limited to 'nx-X11/extras/Mesa_6.4.1/progs/util/winpos.c')
-rw-r--r-- | nx-X11/extras/Mesa_6.4.1/progs/util/winpos.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa_6.4.1/progs/util/winpos.c b/nx-X11/extras/Mesa_6.4.1/progs/util/winpos.c new file mode 100644 index 000000000..5ad98fd27 --- /dev/null +++ b/nx-X11/extras/Mesa_6.4.1/progs/util/winpos.c @@ -0,0 +1,42 @@ +/* winpos.c */ + + +/* + * Set the current raster position to a specific window + * coordinate. Also see the GL_MESA_window_pos extension. + * + * Written by Brian Paul and in the public domain. + */ + + +void WindowPos( GLfloat x, GLfloat y, GLfloat z ) +{ + GLfloat fx, fy; + + /* Push current matrix mode and viewport attributes */ + glPushAttrib( GL_TRANSFORM_BIT | GL_VIEWPORT_BIT ); + + /* Setup projection parameters */ + glMatrixMode( GL_PROJECTION ); + glPushMatrix(); + glLoadIdentity(); + glMatrixMode( GL_MODELVIEW ); + glPushMatrix(); + glLoadIdentity(); + + glDepthRange( z, z ); + glViewport( (int) x - 1, (int) y - 1, 2, 2 ); + + /* set the raster (window) position */ + fx = x - (int) x; + fy = y - (int) y; + glRasterPos3f( fx, fy, 0.0 ); + + /* restore matrices, viewport and matrix mode */ + glPopMatrix(); + glMatrixMode( GL_PROJECTION ); + glPopMatrix(); + + glPopAttrib(); +} + |